/* ═══════════════════════════════════════════════════════════════════════════
   DEVARSH SATHIYA — PORTFOLIO DESIGN SYSTEM (PHASE 1)
   Minimal, Technical, Personal, Confident Developer Identity
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── 1. DESIGN TOKENS & SYSTEM VARIABLES ──────────────────────────────── */
:root {
    /* Palette: Restrained Dark Neutral with Electric Lime Accent */
    --bg: #090a0f;
    --bg-secondary: #0f1118;
    --bg-tertiary: #151824;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-hover: rgba(255, 255, 255, 0.06);
    --surface-active: rgba(255, 255, 255, 0.09);

    /* Text Hierarchy */
    --text-primary: #f2f4f8;
    --text-secondary: #9da2b8;
    --text-muted: #5e647c;
    --text-inverse: #090a0f;

    /* Borders & Hairlines */
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.16);
    --border-accent: rgba(200, 255, 0, 0.4);
    --border-focus: #c8ff00;

    /* Accent & State */
    --accent: #c8ff00;
    --accent-hover: #d5ff24;
    --accent-soft: rgba(200, 255, 0, 0.08);
    --accent-soft-hover: rgba(200, 255, 0, 0.15);
    --accent-glow: rgba(200, 255, 0, 0.25);

    /* Status Colors */
    --status-active: #00e575;
    --status-active-soft: rgba(0, 229, 117, 0.1);
    --status-info: #4da6ff;
    --status-info-soft: rgba(77, 166, 255, 0.1);

    /* Elevation & Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow: 0 12px 36px -12px rgba(0, 0, 0, 0.6);
    --shadow-hover: 0 20px 48px -14px rgba(0, 0, 0, 0.75);
    --shadow-accent: 0 10px 30px -6px rgba(200, 255, 0, 0.22);

    /* Radii */
    --radius-small: 8px;
    --radius-medium: 14px;
    --radius-large: 22px;
    --radius-full: 9999px;

    /* Layout & Sizing */
    --container-width: 1180px;
    --section-spacing: clamp(80px, 12vw, 130px);
    --nav-height: 72px;

    /* Typography Families */
    --font-display: 'Cabinet Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-serif: 'Instrument Serif', Georgia, serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

    /* Central Motion System Tokens */
    --motion-fast: 160ms;
    --motion-normal: 260ms;
    --motion-slow: 480ms;
    --ease-standard: cubic-bezier(0.2, 0, 0, 1);
    --ease-emphasis: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-back: cubic-bezier(0.34, 1.4, 0.64, 1);

    /* Transitions */
    --transition-fast: var(--motion-fast) var(--ease-emphasis);
    --transition-medium: var(--motion-normal) var(--ease-emphasis);
    --transition-slow: var(--motion-slow) var(--ease-emphasis);
}

/* ── 2. RESET & BASE STYLES ───────────────────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    color-scheme: dark;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    overflow-x: clip;
}

section[id] {
    scroll-margin-top: calc(var(--nav-height) + 16px);
}

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: clip;
    position: relative;
    min-height: 100vh;
    letter-spacing: -0.01em;
}

/* Background Depth Overlay: Extremely subtle ambient grid + noise */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(200, 255, 0, 0.04) 0%, transparent 60%),
        radial-gradient(circle at 85% 40%, rgba(255, 255, 255, 0.015) 0%, transparent 40%);
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.35;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Selection */
::selection {
    background: var(--accent);
    color: var(--text-inverse);
}

/* Focus States for Accessibility */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: var(--radius-small);
}

/* ── 3. TYPOGRAPHY HIERARCHY ──────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

p {
    color: var(--text-secondary);
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

code, kbd, pre, samp {
    font-family: var(--font-mono);
}

/* Editorial Serif Accent */
.it {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: normal;
}

/* Eyebrow / Label Component */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 500;
}

.eyebrow-num {
    opacity: 0.6;
}

.eyebrow::before {
    content: '';
    display: inline-block;
    width: 22px;
    height: 1px;
    background: var(--accent);
    opacity: 0.8;
}

/* Section Heading */
.sh {
    font-size: clamp(2.1rem, 4.8vw, 3.4rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: 20px;
}

.section-lede {
    font-size: clamp(1rem, 1.4vw, 1.12rem);
    color: var(--text-secondary);
    max-width: 580px;
    line-height: 1.75;
    margin-bottom: 48px;
}

/* ── 4. LAYOUT & CONTAINERS ───────────────────────────────────────────── */
.wrap {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 32px;
    padding-right: 32px;
    width: 100%;
    position: relative;
    z-index: 2;
}

.sec {
    padding: var(--section-spacing) 0;
    position: relative;
    z-index: 2;
}

/* ── 5. CUSTOM CURSOR ─────────────────────────────────────────────────── */
.cur {
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    will-change: transform, left, top, width, height;
}

#cd {
    width: 8px;
    height: 8px;
    background: var(--accent);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

#cr {
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(200, 255, 0, 0.45);
    background: transparent;
    transition: width var(--transition-medium), height var(--transition-medium), border-color var(--transition-medium), background var(--transition-medium), opacity var(--transition-fast);
}

#cr.big {
    width: 58px;
    height: 58px;
    border-color: rgba(200, 255, 0, 0.7);
    background: rgba(200, 255, 0, 0.05);
}

/* Disable custom cursor on touch and coarse pointer devices */
@media (pointer: coarse), (hover: none) {
    .cur {
        display: none !important;
    }
}

/* ── GLOBAL SCROLL PROGRESS BAR ───────────────────────────────────────── */
.scroll-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 2.5px;
    background: linear-gradient(90deg, var(--accent) 0%, #00e575 100%);
    box-shadow: 0 0 10px rgba(200, 255, 0, 0.45);
    z-index: 1001;
    pointer-events: none;
    transition: width 0.05s linear;
}

@supports (animation-timeline: scroll()) {
    .scroll-progress-bar {
        width: 100%;
        transform-origin: 0 50%;
        animation: scrollProgressBar auto linear;
        animation-timeline: scroll(root);
        transition: none;
    }

    @keyframes scrollProgressBar {
        from { transform: scaleX(0); }
        to { transform: scaleX(1); }
    }
}

/* ── 6. NAVIGATION ────────────────────────────────────────────────────── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 500;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    transition: background var(--transition-medium), backdrop-filter var(--transition-medium), border-color var(--transition-medium), height var(--transition-medium), box-shadow var(--transition-medium);
    border-bottom: 1px solid transparent;
}

nav.stuck {
    background: rgba(9, 10, 15, 0.86);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    height: 60px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

/* Brand Identity */
.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.nav-logo-status {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 0.8;
        transform: scale(1);
        box-shadow: 0 0 6px var(--accent);
    }
    50% {
        opacity: 1;
        transform: scale(1.15);
        box-shadow: 0 0 14px var(--accent);
    }
}

/* Center Section Links */
.nav-center {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    background: rgba(255, 255, 255, 0.025);
    padding: 4px 6px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
}

.nav-center a {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-center a::after {
    content: '';
    position: absolute;
    bottom: 3px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: var(--radius-full);
    transform: translateX(-50%);
    transition: width var(--transition-fast);
}

.nav-center a:hover {
    color: var(--text-primary);
    background: var(--surface-hover);
}

.nav-center a.active {
    color: var(--accent);
    background: var(--accent-soft);
    font-weight: 600;
}

.nav-center a.active::after {
    width: 14px;
}

/* Right Quick Links & Command Trigger */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-palette-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.nav-palette-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--surface-hover);
    transform: translateY(-1px);
}

.nav-palette-btn i {
    color: var(--accent);
    font-size: 0.7rem;
}

.npb-kbd {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.mob-top-action {
    padding: 0 24px 18px 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}

.mob-palette-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    padding: 10px 16px;
    border-radius: var(--radius-small);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
}

.mob-palette-btn i {
    color: var(--accent);
}

.mob-palette-btn kbd {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.nav-action-link {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius-small);
    transition: color var(--transition-fast), background var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-action-link:hover {
    color: var(--text-primary);
    background: var(--surface-hover);
}

.nav-resume-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 15px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 700;
    font-family: var(--font-mono);
    background: var(--accent);
    color: var(--text-inverse);
    letter-spacing: 0.02em;
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-resume-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--accent-glow);
    color: var(--text-inverse);
}

/* Hamburger Button */
.burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    cursor: pointer;
    padding: 0;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.burger:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.burger span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.burger.x span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.burger.x span:nth-child(2) {
    opacity: 0;
}

.burger.x span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.mob {
    position: fixed;
    inset: 0;
    background: rgba(9, 10, 15, 0.98);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    z-index: 450;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 80px 32px 40px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.mob.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.mob-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 36px;
}

.mob-link {
    font-family: var(--font-display);
    font-size: clamp(2rem, 7vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: baseline;
    gap: 14px;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.mob-link:hover,
.mob-link.active {
    color: var(--accent);
    transform: translateX(10px);
}

.mob-link-num {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}

.mob-divider {
    width: 100%;
    height: 1px;
    background: var(--border);
    margin: 20px 0 28px;
}

.mob-socials {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.mob-social-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-small);
    border: 1px solid var(--border);
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.mob-social-btn:hover {
    color: var(--accent);
    border-color: var(--border-accent);
}

/* ── 7. BUTTON SYSTEM ─────────────────────────────────────────────────── */
.btn-primary,
.blime {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 26px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: var(--text-inverse);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: -0.01em;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover,
.blime:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
    color: var(--text-inverse);
}

.btn-secondary,
.bout {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 11px 24px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-hover);
    background: var(--surface);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.88rem;
    letter-spacing: -0.01em;
    text-decoration: none;
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary:hover,
.bout:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-2px);
}

/* Text link with indicator */
.pl {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
    font-family: var(--font-mono);
}

.pl:hover {
    color: var(--accent);
    transform: translateX(2px);
}

/* ── 8. HERO SECTION (PHASE 2 PREMIUM REDESIGN) ───────────────────────── */
#home {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: calc(var(--nav-height) + 16px);
    padding-bottom: 50px;
    overflow: hidden;
}

#cv {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.35;
    pointer-events: none;
}

.hero-wrap {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: clamp(24px, 4vh, 48px);
    padding-bottom: clamp(60px, 8vh, 90px);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.18fr 0.82fr;
    gap: clamp(36px, 5vw, 68px);
    align-items: center;
}

/* Hero Main / Content Column */
.hero-main {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

/* Eyebrow / Status Pill */
.hero-status {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 6px 15px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    animation: hero-fade-up 0.65s 0.05s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--status-active);
    box-shadow: 0 0 8px var(--status-active);
    animation: pulse-dot 2.2s infinite;
}

/* Main H1 Title */
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.2rem, 7.2vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 0.94;
    color: var(--text-primary);
    margin-bottom: 20px;
    opacity: 0;
    animation: hero-fade-up 0.7s 0.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-accent-dot {
    color: var(--accent);
}

/* Personal Positioning Statement */
.hero-positioning {
    font-size: clamp(1.15rem, 1.8vw, 1.38rem);
    font-weight: 500;
    line-height: 1.45;
    color: var(--text-primary);
    margin-bottom: 14px;
    max-width: 580px;
    letter-spacing: -0.015em;
    opacity: 0;
    animation: hero-fade-up 0.7s 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Supporting Description */
.hero-description {
    font-size: clamp(0.92rem, 1.1vw, 1.02rem);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 34px;
    max-width: 540px;
    opacity: 0;
    animation: hero-fade-up 0.7s 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Primary, Secondary & Resume Actions */
.hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 38px;
    opacity: 0;
    animation: hero-fade-up 0.7s 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-btn-work {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 12px 26px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: var(--text-inverse);
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-btn-work:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
    color: var(--text-inverse);
}

.hero-btn-work i {
    transition: transform var(--transition-fast);
    font-size: 0.8rem;
}

.hero-btn-work:hover i {
    transform: translateX(3px);
}

.hero-btn-about {
    display: inline-flex;
    align-items: center;
    padding: 11px 22px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-hover);
    background: var(--surface);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.88rem;
    text-decoration: none;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.hero-btn-about:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-2px);
}

.hero-resume-action {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 8px 12px;
    border-radius: var(--radius-small);
    transition: color var(--transition-fast), background var(--transition-fast);
    text-decoration: none;
}

.hero-resume-action:hover {
    color: var(--text-primary);
    background: var(--surface-hover);
}

.hero-resume-action i {
    font-size: 0.75rem;
}

/* Real Project Signals / Core Domains */
.hero-signals {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    width: 100%;
    max-width: 580px;
    opacity: 0;
    animation: hero-fade-up 0.7s 0.55s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-signals-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 500;
}

.hero-signal-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.h-pill {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-family: var(--font-mono);
    background: var(--surface);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    transition: all var(--transition-fast);
    cursor: default;
    user-select: none;
}

.h-pill:hover {
    border-color: rgba(200, 255, 0, 0.35);
    color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-1px);
}

/* Right Column: Editorial Developer Visual Card */
.hero-visual {
    display: flex;
    justify-content: flex-end;
    width: 100%;
    opacity: 0;
    animation: hero-fade-up 0.8s 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-card {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium);
    width: 100%;
    max-width: 440px;
}

.hero-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
}

.hero-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.015);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.hero-card-meta {
    display: flex;
    align-items: center;
    gap: 7px;
}

.card-meta-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.8;
}

.card-meta-label {
    letter-spacing: 0.08em;
}

.card-meta-location {
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    opacity: 0.75;
}

.hero-card-image-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 4.2;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.hero-card-image-wrapper picture {
    display: block;
    width: 100%;
    height: 100%;
}

.hero-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 15%;
    transition: transform var(--transition-slow), filter var(--transition-medium);
}

.hero-card:hover .hero-card-image {
    transform: scale(1.025);
}

.hero-card-image-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 65%, var(--bg-secondary) 100%);
    pointer-events: none;
}

.hero-card-badge {
    position: absolute;
    bottom: 14px;
    left: 16px;
    right: 16px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: var(--radius-medium);
    background: rgba(9, 10, 15, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--text-secondary);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--status-active);
    box-shadow: 0 0 6px var(--status-active);
    animation: pulse-dot 2s infinite;
    flex-shrink: 0;
}

.badge-text strong {
    color: var(--accent);
    font-weight: 600;
}

.hero-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.card-info-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.card-info-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 2px;
}

.card-connect-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    padding: 6px 13px;
    border-radius: var(--radius-small);
    background: var(--accent-soft);
    border: 1px solid rgba(200, 255, 0, 0.2);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.card-connect-btn:hover {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
    transform: translateX(2px);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 36px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--surface);
    transition: opacity var(--transition-medium), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
    text-decoration: none;
    opacity: 0;
    animation: hero-fade-up 0.7s 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-scroll-indicator:hover {
    color: var(--accent);
    border-color: var(--border-accent);
    transform: translateY(2px);
}

.scroll-arrow {
    font-size: 0.7rem;
    animation: scroll-bob 2s ease-in-out infinite;
}

@keyframes scroll-bob {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(3px); }
}

.hero-scroll-indicator.is-hidden {
    opacity: 0 !important;
    pointer-events: none;
}

/* Animation Keyframe */
@keyframes hero-fade-up {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ticker / Marquee */
.mq-wrap {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow: hidden;
    padding: 12px 0;
    background: rgba(9, 10, 15, 0.65);
    backdrop-filter: blur(10px);
    z-index: 2;
}

.mq-track {
    display: flex;
    white-space: nowrap;
    animation: mq 24s linear infinite;
    will-change: transform;
}

.mq-track span {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    padding: 0 24px;
    text-transform: uppercase;
}

.mq-track span.dot {
    color: var(--accent);
    padding: 0 4px;
    opacity: 0.8;
}

@keyframes mq {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ── 9. ABOUT SECTION (PHASE 3 PERSONAL IDENTITY & PIPELINE) ─────────── */
.about-story-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: clamp(40px, 6vw, 72px);
    align-items: start;
    margin-top: 36px;
    margin-bottom: clamp(64px, 10vw, 100px);
}

/* Left Aside: Statement & Quick Facts */
.about-story-aside {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-statement-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    padding: clamp(24px, 4vw, 32px);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.about-statement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.about-lead-statement {
    font-size: clamp(1.05rem, 1.4vw, 1.22rem);
    font-weight: 600;
    line-height: 1.55;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.015em;
}

.about-facts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}

.about-fact-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    font-size: 0.85rem;
}

.fact-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    flex-shrink: 0;
}

.fact-value {
    color: var(--text-secondary);
    font-weight: 500;
    text-align: right;
}

.about-quote-box {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-medium);
}

.about-quote-icon {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    line-height: 1;
    color: var(--accent);
    opacity: 0.8;
}

.about-quote-text {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    font-style: italic;
}

/* Right Content: Narrative & Stack Matrix */
.about-story-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-narrative {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.about-p {
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-p strong {
    color: var(--text-primary);
    font-weight: 600;
}

.about-p em {
    color: var(--text-primary);
    font-style: normal;
    font-weight: 500;
}

/* Categorized Technical Matrix */
.about-stack-matrix {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
}

.stack-category-title {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 8px;
    font-weight: 600;
}

.stack-pills-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.st-pill {
    padding: 6px 14px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: default;
    user-select: none;
}

.st-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-2px);
}

/* ── SUBSECTION HEADERS ───────────────────────────────────────────────── */
.sub-header-block {
    margin-bottom: 32px;
}

.sub-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
    font-weight: 600;
}

.sub-num {
    opacity: 0.7;
}

.sub-heading {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.8vw, 2.6rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.sub-lede {
    font-size: clamp(0.95rem, 1.2vw, 1.05rem);
    color: var(--text-secondary);
    max-width: 620px;
    line-height: 1.7;
}

/* ── PART 2: CURRENTLY BUILDING (ACTIVE PIPELINE) ─────────────────────── */
.currently-building-section {
    padding-top: clamp(48px, 7vw, 80px);
    border-top: 1px solid var(--border);
    margin-bottom: clamp(64px, 10vw, 100px);
}

.cb-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.cb-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    padding: clamp(24px, 3.5vw, 32px);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-medium), border-color var(--transition-medium), box-shadow var(--transition-medium), background var(--transition-medium);
}

.cb-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
    background: var(--bg-tertiary);
}

.cb-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
}

.cb-domain-num {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--accent);
    letter-spacing: 0.14em;
    font-weight: 600;
}

.cb-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
}

.cb-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.cb-status.active {
    background: var(--status-active-soft);
    color: var(--status-active);
    border: 1px solid rgba(0, 229, 117, 0.2);
}
.cb-status.active .cb-status-dot {
    background: var(--status-active);
    box-shadow: 0 0 6px var(--status-active);
    animation: pulse-dot 2s infinite;
}

.cb-status.exploring {
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid rgba(200, 255, 0, 0.2);
}
.cb-status.exploring .cb-status-dot {
    background: var(--accent);
}

.cb-status.testing {
    background: var(--status-info-soft);
    color: var(--status-info);
    border: 1px solid rgba(77, 166, 255, 0.2);
}
.cb-status.testing .cb-status-dot {
    background: var(--status-info);
}

.cb-status.completed {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.cb-status.completed .cb-status-dot {
    background: var(--text-muted);
}

.cb-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 10px;
    transition: color var(--transition-fast);
}

.cb-card:hover .cb-title {
    color: var(--accent);
}

.cb-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 22px;
    flex-grow: 1;
}

.cb-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

.cb-tag {
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-family: var(--font-mono);
    background: var(--surface);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

/* ── PART 3: HOW I BUILD (DEVELOPMENT PROCESS) ────────────────────────── */
.how-i-build-section {
    padding-top: clamp(48px, 7vw, 80px);
    border-top: 1px solid var(--border);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 36px;
}

.process-step-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-medium), border-color var(--transition-medium), background var(--transition-medium);
}

.process-step-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    background: var(--bg-tertiary);
}

.process-step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.process-step-card:hover::before {
    opacity: 1;
}

.process-step-num {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}

.process-step-title {
    font-family: var(--font-display);
    font-size: 1.12rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.process-step-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.process-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    padding: 24px 32px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
}

.process-philosophy {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tping {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--status-active);
    box-shadow: 0 0 8px var(--status-active);
    animation: pulse-dot 2.2s infinite;
    flex-shrink: 0;
}

.process-philosophy strong {
    color: var(--accent);
    font-weight: 600;
}

.process-btn {
    padding: 10px 22px;
    font-size: 0.82rem;
}

/* ── 10. PROJECTS / CASE STUDIES SECTION ────────────────────────────────── */
.sec-header {
    margin-bottom: 32px;
}

.sec-sub {
    font-size: clamp(0.95rem, 1.3vw, 1.08rem);
    color: var(--text-secondary);
    max-width: 620px;
    line-height: 1.7;
    margin-top: 12px;
}

/* Category Filter Tabs */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 44px;
    padding-bottom: 4px;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    background: var(--surface);
    color: var(--text-muted);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    background: var(--surface-hover);
}

.filter-btn.active {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: rgba(200, 255, 0, 0.4);
    box-shadow: 0 0 16px rgba(200, 255, 0, 0.08);
}

.filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: 9px;
    font-size: 0.65rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all var(--transition-fast);
}

.filter-btn.active .filter-count {
    background: var(--accent);
    color: var(--text-inverse);
    font-weight: 700;
    border-color: var(--accent);
}

/* Featured Projects Stream */
.featured-projects-stream {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 72px;
}

.featured-project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    padding: 36px 40px;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-medium), box-shadow var(--transition-medium), background var(--transition-medium);
}

.featured-project-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-heavy);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, rgba(18, 21, 32, 0.85) 100%);
}

.featured-project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent) 0%, transparent 60%);
    opacity: 0.65;
    transition: opacity var(--transition-fast);
}

.featured-project-card:hover::before {
    opacity: 1;
}

/* Card Topbar */
.featured-card-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 24px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.fct-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.fct-num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent);
}

.fct-domain {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.fct-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

.fct-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fct-status {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
}

/* Grid Layout inside Featured Card */
.featured-project-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 36px;
    align-items: stretch;
}

.featured-project-grid.reverse {
    grid-template-columns: 1.08fr 0.92fr;
}

/* Visual Column / UI Schematic Window */
.fp-visual-col {
    display: flex;
    flex-direction: column;
}

.schematic-window {
    background: #07090e;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 12px 30px rgba(0, 0, 0, 0.4);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition-fast);
}

.featured-project-card:hover .schematic-window {
    border-color: rgba(200, 255, 0, 0.25);
}

.schematic-browser-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 16px;
    background: #0d1017;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.win-dots {
    display: flex;
    align-items: center;
    gap: 6px;
}

.dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: inline-block;
}

.d-red { background: #ef4444; opacity: 0.85; }
.d-yel { background: #f59e0b; opacity: 0.85; }
.d-grn { background: #10b981; opacity: 0.85; }

.win-url {
    color: var(--text-muted);
    font-size: 0.68rem;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.35);
    padding: 3px 12px;
    border-radius: var(--radius-small);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.win-badge {
    font-size: 0.62rem;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 2px 8px;
    border-radius: var(--radius-small);
    font-weight: 600;
    letter-spacing: 0.04em;
    border: 1px solid rgba(200, 255, 0, 0.2);
}

.win-badge.badge-flutter {
    color: #54c5f8;
    background: rgba(84, 197, 248, 0.12);
    border-color: rgba(84, 197, 248, 0.25);
}

.schematic-screen {
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

/* Top Stat Row */
.sch-stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.sch-stat-box {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-small);
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sch-stat-label {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
}

.sch-stat-val {
    font-family: var(--font-mono);
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sch-stat-sub {
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--text-muted);
}

.text-accent { color: var(--accent) !important; }
.text-warn { color: #f59e0b !important; }

/* Ledger Feed Mock */
.sch-ledger-feed {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-small);
    overflow: hidden;
}

.sch-feed-head {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1fr;
    padding: 7px 12px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--text-muted);
    letter-spacing: 0.06em;
}

.text-right { text-align: right; }

.sch-feed-item {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1fr;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.sch-feed-item:last-child {
    border-bottom: none;
}

.sfi-name {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding-right: 6px;
}

.sfi-tag {
    font-size: 0.58rem;
    padding: 1px 5px;
    border-radius: 3px;
    font-weight: 700;
}

.sfi-tag.cr { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.sfi-tag.exp { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.sfi-tag.warn { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.sfi-tag.fix { background: rgba(168, 85, 247, 0.15); color: #c084fc; }

.sfi-cat {
    color: var(--text-muted);
    font-size: 0.65rem;
}

.sfi-status {
    text-align: right;
    font-size: 0.66rem;
    font-weight: 600;
}

.sfi-ok { color: #10b981; }
.sfi-pending { color: #f59e0b; }
.sfi-active { color: #60a5fa; }

/* Foot Telemetry */
.sch-foot-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
}

.pulse-node {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    margin-right: 4px;
    box-shadow: 0 0 6px var(--accent);
    animation: pulse-dot 2s infinite ease-in-out;
}

/* IDE / Terminal Schematics (AIPE Lab) */
.sch-ide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-small);
}

.sih-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sih-lab-num {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    font-weight: 700;
    color: #54c5f8;
    background: rgba(84, 197, 248, 0.12);
    padding: 2px 7px;
    border-radius: 3px;
}

.sih-lab-title {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-primary);
}

.sih-badge-done {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: #10b981;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.sch-code-pane {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-small);
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    line-height: 1.6;
    overflow-x: auto;
}

.code-line {
    display: block;
    white-space: pre;
}

.ln { color: #3b4252; margin-right: 12px; user-select: none; }
.kw { color: #c792ea; }
.var { color: #82aaff; }
.cls { color: #ffcb6b; }
.prop { color: #f78c6c; }
.str { color: #c3e88d; }
.num { color: #f78c6c; }

.sch-terminal-pane {
    background: #050608;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-small);
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 0.67rem;
}

.stp-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 6px;
    margin-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-size: 0.6rem;
    letter-spacing: 0.06em;
}

.stp-time { color: #10b981; }

.stp-body {
    display: flex;
    flex-direction: column;
    gap: 3px;
    line-height: 1.5;
}

.stp-row.text-light { color: var(--text-primary); }

/* Right Column / Content Column */
.fp-content-col {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.fp-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 2.8vw, 2.3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.fp-subtitle {
    font-size: 0.94rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 22px;
}

.fp-narrative-block {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 22px;
    padding-left: 14px;
    border-left: 2px solid var(--border-hover);
}

.fp-narrative-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent);
    margin-bottom: 4px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.fp-narrative-text {
    font-size: 0.86rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.fp-feature-matrix {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
}

.fp-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.fp-feature-item i {
    color: var(--accent);
    font-size: 0.78rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.fp-feature-item strong {
    color: var(--text-primary);
    font-weight: 600;
}

.fp-stack-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 26px;
}

.tech-tag {
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid var(--border);
    letter-spacing: 0.02em;
}

.featured-project-card:hover .tech-tag {
    border-color: rgba(200, 255, 0, 0.2);
    color: var(--text-primary);
}

.fp-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

/* Secondary Projects Section */
.sec-projects-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.sph-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--accent);
    display: block;
    margin-bottom: 4px;
}

.sph-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.sph-sub {
    font-size: 0.88rem;
    color: var(--text-muted);
    max-width: 480px;
    text-align: right;
}

.sec-projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 72px;
}

.sec-project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-medium);
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-medium), border-color var(--transition-medium), background var(--transition-medium), box-shadow var(--transition-medium);
}

.sec-project-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    background: var(--bg-tertiary);
    box-shadow: var(--shadow);
}

.sec-project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.sec-project-card:hover::before {
    opacity: 0.9;
}

.spc-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.spc-num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.1em;
}

.spc-cat {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.spc-body {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.spc-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.spc-tagline {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.spc-desc {
    font-size: 0.87rem;
    color: var(--text-secondary);
    line-height: 1.68;
    margin-bottom: 18px;
    flex: 1;
}

.spc-highlights {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 22px;
    padding: 12px 14px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-small);
}

.spc-point {
    font-size: 0.76rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.spc-point i {
    color: var(--accent);
    font-size: 0.65rem;
}

.spc-footer {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.spc-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.spc-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.spc-btn-details {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--accent);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.spc-btn-details span {
    transition: transform var(--transition-fast);
}

.spc-btn-details:hover {
    color: var(--accent-hover);
}

.spc-btn-details:hover span {
    transform: translateX(3px);
}

.spc-btn-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    border: 1px solid rgba(200, 255, 0, 0.2);
    padding: 5px 12px;
    border-radius: var(--radius-small);
    transition: all var(--transition-fast);
}

.spc-btn-live:hover {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
}

.spc-btn-source {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-small);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.spc-btn-source:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* Archive Section */
.archive-section {
    background: rgba(14, 17, 26, 0.4);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    padding: 36px 36px;
}

.archive-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.ah-num {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: var(--accent);
    display: block;
    margin-bottom: 4px;
}

.ah-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.ah-desc {
    font-size: 0.84rem;
    color: var(--text-muted);
    max-width: 480px;
    text-align: right;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.archive-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.archive-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-tertiary);
}

.ac-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

.ac-title {
    font-family: var(--font-display);
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ac-badge {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    color: var(--text-muted);
    background: var(--surface);
    padding: 2px 6px;
    border-radius: 3px;
    border: 1px solid var(--border);
}

.ac-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 14px;
    flex: 1;
}

.ac-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.ac-stack {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
}

.ac-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ac-link {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.ac-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* ── PROJECT CASE STUDY MODAL ────────────────────────────────────────── */
.project-modal {
    position: fixed;
    inset: 0;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-modal.active {
    opacity: 1;
    pointer-events: auto;
}

body.modal-open {
    overflow: hidden;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 6, 10, 0.86);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.modal-dialog {
    position: relative;
    max-width: 760px;
    width: 100%;
    max-height: 88vh;
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-large);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.75);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.96) translateY(12px);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-modal.active .modal-dialog {
    transform: scale(1) translateY(0);
}

.modal-close-btn {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 10;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close-btn:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    color: var(--accent);
    transform: rotate(90deg);
}

.modal-scroll-content {
    overflow-y: auto;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.modal-meta-top {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.mm-num {
    color: var(--accent);
    font-weight: 700;
}

.mm-cat {
    color: var(--text-secondary);
    background: var(--surface);
    padding: 2px 8px;
    border-radius: var(--radius-small);
    border: 1px solid var(--border);
}

.mm-status {
    color: var(--text-muted);
}

.modal-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.2vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--text-primary);
    line-height: 1.15;
}

.modal-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.65;
}

.modal-grid-narrative {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.28);
    border: 1px solid var(--border);
    border-radius: var(--radius-medium);
}

.mgn-block h5 {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mgn-block p {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal-section-title {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.modal-feature-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mfl-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

.mfl-item i {
    color: var(--accent);
    font-size: 0.76rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.mfl-item strong {
    color: var(--text-primary);
}

.modal-stack-section {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* ── 10.5 CAPABILITIES & TECH STACK SECTION (PHASE 5) ────────────────── */
.cap-layout {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 48px;
    align-items: start;
}

.cap-aside {
    position: sticky;
    top: calc(var(--nav-height) + 24px);
}

.cap-aside-inner {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.cap-sh {
    font-size: clamp(1.8rem, 3.2vw, 2.5rem);
    line-height: 1.15;
    margin-bottom: 0;
}

.cap-lede {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Engineering Principle Card */
.cap-principle-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-medium);
    padding: 18px 20px;
}

.cpc-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.cpc-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

.cpc-label {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent);
}

.cpc-quote {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.6;
    font-style: italic;
}

/* Currently Exploring Box */
.cap-exploring-box {
    background: rgba(14, 17, 26, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-medium);
    padding: 20px;
}

.ceb-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 10px;
}

.ceb-badge {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    font-weight: 700;
    color: #54c5f8;
    background: rgba(84, 197, 248, 0.12);
    padding: 3px 8px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    letter-spacing: 0.06em;
}

.ceb-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ceb-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 12px;
}

.ceb-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ceb-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-secondary);
    background: var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 3px 9px;
    border-radius: var(--radius-full);
}

/* Capability Categories (Right Column) */
.cap-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.cap-category-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    padding: 28px 32px;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-medium), background var(--transition-medium), box-shadow var(--transition-medium);
}

.cap-category-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-tertiary);
    box-shadow: var(--shadow);
}

.cap-category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--accent) 0%, transparent 80%);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.cap-category-card:hover::before {
    opacity: 1;
}

.ccc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.ccc-meta {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.ccc-num {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--accent);
}

.ccc-title {
    font-family: var(--font-display);
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.ccc-badge {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: var(--radius-small);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ccc-badge.badge-flutter {
    color: #54c5f8;
    background: rgba(84, 197, 248, 0.08);
    border-color: rgba(84, 197, 248, 0.2);
}

.ccc-badge.badge-ai {
    color: #c084fc;
    background: rgba(192, 132, 252, 0.08);
    border-color: rgba(192, 132, 252, 0.2);
}

.ccc-badge.badge-iot {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.08);
    border-color: rgba(245, 158, 11, 0.2);
}

.ccc-context {
    font-size: 0.86rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

/* Technology List Rows */
.cap-tech-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ctl-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 10px 14px;
    border-radius: var(--radius-medium);
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.035);
    transition: all var(--transition-fast);
}

.ctl-item:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(200, 255, 0, 0.15);
}

.ctl-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.ctl-name {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.ctl-role {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.45;
}

.ctl-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.cpb-group {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.cap-project-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 11px;
    border-radius: var(--radius-small);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cpb-prefix {
    color: var(--text-muted);
    font-size: 0.64rem;
}

.cpb-name {
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.cap-project-btn:hover {
    background: var(--accent-soft);
    border-color: rgba(200, 255, 0, 0.35);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(200, 255, 0, 0.08);
}

.cap-project-btn:hover .cpb-name {
    color: var(--accent-hover);
}

.cap-project-static {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: var(--radius-small);
    white-space: nowrap;
}

.cap-project-link {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    text-decoration: none;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 4px 10px;
    border-radius: var(--radius-small);
    transition: all var(--transition-fast);
}

.cap-project-link:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

/* ── 11. EDUCATION & JOURNEY SECTION ──────────────────────────────────── */
.journey-lead {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 760px;
    margin-top: 16px;
    margin-bottom: 0;
}

.journey-layout {
    display: grid;
    grid-template-columns: minmax(320px, 380px) 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 48px;
}

/* ── Journey Left Aside ──────────────────────────────────────────────── */
.journey-aside {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: calc(var(--nav-height) + 24px);
}

.journey-narrative-card,
.journey-stage-card,
.journey-horizon-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-medium);
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-medium), transform var(--transition-medium), box-shadow var(--transition-medium);
}

.journey-narrative-card:hover,
.journey-stage-card:hover,
.journey-horizon-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

/* Learning Philosophy Card */
.journey-narrative-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.jnc-header {
    margin-bottom: 12px;
}

.jnc-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    font-weight: 600;
}

.jnc-title {
    font-family: var(--font-display);
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.jnc-text {
    font-size: 0.92rem;
    color: var(--text-primary);
    font-style: italic;
    line-height: 1.65;
    margin-bottom: 12px;
}

.jnc-subtext {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

/* Current Academic Stage Card */
.journey-stage-card {
    border-color: rgba(200, 255, 0, 0.28);
    background: linear-gradient(180deg, rgba(200, 255, 0, 0.03) 0%, var(--bg-secondary) 100%);
    box-shadow: 0 0 20px rgba(200, 255, 0, 0.04);
}

.journey-stage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #00e575);
}

.jsc-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 5px 12px;
    border-radius: var(--radius-full);
    border: 1px solid rgba(200, 255, 0, 0.22);
    letter-spacing: 0.08em;
    margin-bottom: 14px;
}

.jsc-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: stagePulse 2s ease-in-out infinite;
}

@keyframes stagePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.jsc-degree {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.jsc-inst {
    font-size: 0.92rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 16px;
}

.jsc-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.jsc-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.jsc-meta-item i {
    color: var(--accent);
    width: 14px;
    text-align: center;
}

.jsc-focus-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: 10px;
    font-weight: 600;
}

.jsc-focus-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.jft-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.jft-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Forward Horizon Card */
.journey-horizon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #4d7cfe, transparent);
}

.jhc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.jhc-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--text-secondary);
}

.jhc-icon {
    color: #7da4ff;
    font-size: 0.75rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.jhc-list strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ── Journey Right Stream (Vertical Timeline) ────────────────────────── */
.journey-timeline-stream {
    position: relative;
}

.timeline-track {
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
}

/* Continuous vertical rail line */
.timeline-track::before {
    content: '';
    position: absolute;
    top: 24px;
    bottom: 24px;
    left: 17px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent) 0%, rgba(200, 255, 0, 0.4) 30%, rgba(255, 255, 255, 0.12) 75%, transparent 100%);
}

.timeline-node {
    position: relative;
    padding-left: 56px;
    margin-bottom: 32px;
}

.timeline-node:last-child {
    margin-bottom: 0;
}

/* Node marker on the vertical rail */
.node-marker {
    position: absolute;
    left: 9px;
    top: 24px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.node-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-tertiary);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.timeline-node:hover .node-marker {
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(200, 255, 0, 0.35);
    transform: scale(1.1);
}

.timeline-node:hover .node-dot {
    background: var(--accent);
}

/* Active / Current Node Variant */
.timeline-node.node-current .node-marker {
    border-color: var(--accent);
    box-shadow: 0 0 14px rgba(200, 255, 0, 0.45);
}

.timeline-node.node-current .node-dot {
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
}

.timeline-node.node-current .node-card {
    border-color: rgba(200, 255, 0, 0.28);
    background: linear-gradient(180deg, rgba(200, 255, 0, 0.03) 0%, var(--bg-secondary) 100%);
}

/* Node Card Content */
.node-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-medium);
    padding: 30px 28px;
    position: relative;
    transition: border-color var(--transition-medium), transform var(--transition-medium), box-shadow var(--transition-medium);
}

.node-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.node-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
}

.node-period {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.period-badge {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-small);
    letter-spacing: 0.06em;
}

.period-badge.current {
    background: var(--accent);
    color: #090a0f;
}

.period-badge.training {
    background: var(--status-testing-soft);
    color: var(--status-testing);
    border: 1px solid rgba(255, 179, 0, 0.25);
}

.period-badge.building {
    background: rgba(77, 124, 254, 0.12);
    color: #7da4ff;
    border: 1px solid rgba(77, 124, 254, 0.25);
}

.period-badge.foundation {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.period-status {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.node-category-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    font-weight: 600;
}

.node-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.node-org {
    font-size: 0.92rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.node-sep {
    color: var(--text-tertiary);
}

.node-highlight-role {
    color: var(--accent);
    font-weight: 600;
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.node-desc {
    font-size: 0.92rem;
    line-height: 1.65;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

.node-milestones-list {
    list-style: none;
    margin: 0 0 18px 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.node-milestones-list li {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-secondary);
    padding-left: 18px;
    position: relative;
}

.node-milestones-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1.3;
}

.node-milestones-list strong {
    color: var(--text-primary);
    font-weight: 600;
}

.node-milestones-list em {
    color: var(--accent);
    font-style: normal;
    font-weight: 600;
}

/* Interactive Case Study Trigger Button in Timeline */
.node-interactive-action {
    margin-bottom: 18px;
}

.timeline-case-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(200, 255, 0, 0.25);
    color: var(--text-primary);
    padding: 9px 18px;
    border-radius: var(--radius-small);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.timeline-case-btn .tcb-icon {
    color: var(--accent);
    font-size: 0.88rem;
}

.timeline-case-btn .tcb-arrow {
    color: var(--accent);
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.timeline-case-btn:hover {
    background: var(--accent);
    color: #090a0f;
    border-color: var(--accent);
    transform: translateX(4px);
    box-shadow: 0 6px 18px rgba(200, 255, 0, 0.25);
}

.timeline-case-btn:hover .tcb-icon,
.timeline-case-btn:hover .tcb-arrow {
    color: #090a0f;
}

.timeline-case-btn:hover .tcb-arrow {
    transform: translateX(3px);
}

/* Project Pills in Milestones Card */
.node-project-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
    padding: 12px 14px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-small);
    border: 1px solid var(--border);
}

.npl-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.npl-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.timeline-pill-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 5px 12px;
    border-radius: var(--radius-small);
    font-size: 0.78rem;
    font-family: var(--font-mono);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.timeline-pill-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-1px);
}

/* Skills footer in Node */
.node-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.nsk-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    color: var(--text-secondary);
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.nsk-tag:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

/* ── 12. CONTACT SECTION (PHASE 8) ────────────────────────────────────── */
.contact-layout {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
    align-items: start;
    margin-top: 48px;
}

.contact-primary-col {
    display: flex;
    flex-direction: column;
}

.contact-headline {
    font-size: clamp(2.2rem, 3.8vw, 3.2rem);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.025em;
}

.contact-lede {
    font-size: clamp(0.98rem, 1.3vw, 1.1rem);
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 32px;
    max-width: 580px;
}

/* Action row: Primary mailto + Copy Email button */
.contact-action-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 40px;
}

.contact-main-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 600;
}

.contact-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 13px 22px;
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.contact-copy-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
    transform: translateY(-2px);
}

.contact-copy-btn.copied {
    border-color: var(--accent);
    background: rgba(200, 255, 0, 0.15);
    color: var(--accent);
}

/* Verified Channels & Credentials */
.contact-channels-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.ccg-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    font-weight: 600;
}

.contact-channels-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.contact-channel-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: var(--radius-medium);
    border: 1px solid var(--border);
    background: var(--surface);
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.contact-channel-card:hover {
    border-color: var(--border-hover);
    background: var(--surface-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.contact-channel-card:hover .ccc-icon {
    color: var(--accent);
    background: var(--accent-soft);
    border-color: rgba(200, 255, 0, 0.3);
}

.contact-channel-card:hover .ccc-handle {
    color: var(--accent);
}

.contact-channel-resume {
    border-color: rgba(200, 255, 0, 0.22);
    background: linear-gradient(135deg, var(--surface) 0%, rgba(200, 255, 0, 0.04) 100%);
}

.contact-channel-resume:hover {
    border-color: var(--accent);
}

.ccc-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-small);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: var(--text-secondary);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.ccc-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.ccc-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.ccc-handle {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    transition: color var(--transition-fast);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Contact Status Bar */
.contact-status-bar {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    max-width: fit-content;
}

.csb-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    flex-shrink: 0;
    animation: pulseGlow 2.5s infinite ease-in-out;
}

.csb-text {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

/* Direct Message Form Card */
.contact-form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-large);
    padding: 34px 30px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.contact-form-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.cfc-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.cfc-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    font-weight: 600;
}

.cfc-notice {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.cfc-notice i {
    color: var(--accent);
}

.cfc-title {
    font-size: 1.35rem;
    color: var(--text-primary);
    margin-bottom: 6px;
    font-weight: 600;
}

.cfc-sub {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin-bottom: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.cfg {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.cfl {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 500;
}

.cfi {
    padding: 12px 16px;
    border-radius: var(--radius-small);
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.92rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    outline: none;
}

.cfi:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
    background: var(--surface);
}

.cfi::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.contact-submit-btn {
    padding: 14px 26px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: var(--text-inverse);
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 6px;
    width: 100%;
}

.contact-submit-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.contact-submit-btn:disabled {
    opacity: 0.65;
    transform: none;
    cursor: wait;
}

/* ── 13. PREMIUM FOOTER (PHASE 8) ─────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    padding: 64px 0 36px 0;
    position: relative;
    z-index: 2;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 15%;
    right: 15%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(200, 255, 0, 0.4), transparent);
}

.footer-wrap {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.footer-primary-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.footer-brand-col {
    display: flex;
    flex-direction: column;
    max-width: 440px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
    transition: color var(--transition-fast);
}

.footer-logo:hover {
    color: var(--accent);
}

.footer-logo-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    display: inline-block;
}

.footer-role {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    font-weight: 500;
}

.footer-bio {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.65;
}

.footer-nav-col,
.footer-social-col {
    display: flex;
    flex-direction: column;
}

.footer-col-heading {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    font-weight: 600;
    margin-bottom: 18px;
    text-transform: uppercase;
}

.footer-nav-list,
.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 11px;
}

.footer-nav-link {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
    display: inline-block;
}

.footer-nav-link:hover {
    color: var(--accent);
    transform: translateX(3px);
}

.footer-link-item {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-link-item i {
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
    width: 14px;
    text-align: center;
}

.footer-link-item:hover {
    color: var(--accent);
    transform: translateX(3px);
}

.footer-link-item:hover i {
    color: var(--accent);
}

.footer-link-resume {
    color: var(--text-primary);
    font-weight: 500;
}

.footer-link-resume i {
    color: var(--accent);
}

.footer-divider {
    height: 1px;
    background: var(--border);
    width: 100%;
}

.footer-sub-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-copyright {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.footer-crafted {
    color: var(--text-muted);
    font-size: 0.74rem;
}

/* ── 14. REVEAL ANIMATIONS ────────────────────────────────────────────── */
.rv {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.rv.on {
    opacity: 1;
    transform: translateY(0);
}

.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; }

@keyframes up {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── 15. RESPONSIVE BREAKPOINTS ───────────────────────────────────────── */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .hero-visual {
        justify-content: flex-start;
    }
    .hero-card {
        max-width: 420px;
    }
    .about-story-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .process-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 44px;
    }
    .footer-primary-row {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    .footer-brand-col {
        grid-column: span 2;
        max-width: 100%;
    }
    .featured-project-grid,
    .featured-project-grid.reverse {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .sec-projects-grid {
        grid-template-columns: 1fr;
    }
    .archive-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .sec-projects-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .sph-sub {
        text-align: left;
    }
    .archive-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .ah-desc {
        text-align: left;
    }
    .cap-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .cap-aside {
        position: static;
    }
    .journey-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .journey-aside {
        position: static;
    }
}

@media (max-width: 820px) {
    .nav-center,
    .nav-actions {
        display: none;
    }
    .burger {
        display: flex;
    }
    .edu-g {
        grid-template-columns: 1fr;
    }
    .cb-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 680px) {
    .wrap {
        padding-left: 20px;
        padding-right: 20px;
    }
    #home {
        padding-top: calc(var(--nav-height) + 12px);
        padding-bottom: 40px;
    }
    .hero-wrap {
        padding-top: 16px;
        padding-bottom: 36px;
    }
    .hero-title {
        font-size: clamp(2.6rem, 11vw, 3.6rem);
        line-height: 0.96;
        margin-bottom: 16px;
    }
    .hero-positioning {
        font-size: 1.08rem;
        line-height: 1.45;
        margin-bottom: 12px;
    }
    .hero-description {
        font-size: 0.9rem;
        line-height: 1.65;
        margin-bottom: 24px;
    }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        width: 100%;
        margin-bottom: 28px;
    }
    .hero-btn-work,
    .hero-btn-about {
        width: 100%;
        justify-content: center;
    }
    .hero-resume-action {
        justify-content: center;
        width: 100%;
    }
    .hero-card {
        max-width: 100%;
    }
    .hero-card-image-wrapper {
        aspect-ratio: 4 / 3.8;
    }
    .hero-scroll-indicator {
        display: none;
    }
    .process-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .process-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }
    .process-btn {
        width: 100%;
        justify-content: center;
    }
    .about-quote-box {
        padding: 14px 16px;
    }
    .about-facts-list {
        gap: 10px;
    }
    .project-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    .filter-btn {
        flex-shrink: 0;
        white-space: nowrap;
    }
    .featured-project-card {
        padding: 24px 20px;
    }
    .featured-card-topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 20px;
        padding-bottom: 18px;
    }
    .schematic-screen {
        padding: 14px 14px;
    }
    .sch-stat-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }
    .sch-feed-head {
        display: none;
    }
    .sch-feed-item {
        grid-template-columns: 1fr;
        gap: 4px;
    }
    .sfi-status {
        text-align: left;
    }
    .sch-foot-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }
    .fp-title {
        font-size: 1.6rem;
    }
    .fp-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }
    .fp-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .sec-project-card {
        padding: 22px 18px;
    }
    .archive-section {
        padding: 24px 18px;
    }
    .archive-grid {
        grid-template-columns: 1fr;
    }
    .modal-scroll-content {
        padding: 28px 18px;
    }
    .modal-grid-narrative {
        grid-template-columns: 1fr;
        gap: 14px;
        padding: 14px;
    }
    .modal-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .modal-actions .btn {
        width: 100%;
        justify-content: center;
    }
    .btn-primary,
    .blime,
    .btn-secondary,
    .bout {
        width: 100%;
    }
    .contact-layout {
        gap: 36px;
    }
    .contact-headline {
        font-size: clamp(1.8rem, 8vw, 2.4rem);
    }
    .contact-action-row {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 10px;
    }
    .contact-main-btn,
    .contact-copy-btn {
        width: 100%;
        justify-content: center;
    }
    .contact-channels-list {
        grid-template-columns: 1fr;
    }
    .contact-status-bar {
        width: 100%;
        justify-content: flex-start;
    }
    .contact-form-card {
        padding: 24px 18px;
    }
    .site-footer {
        padding: 48px 0 28px 0;
    }
    .footer-primary-row {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-brand-col {
        grid-column: span 1;
    }
    .footer-sub-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .cap-category-card {
        padding: 22px 18px;
    }
    .ctl-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .ctl-right {
        width: 100%;
        justify-content: flex-start;
    }
    .cap-project-btn {
        width: 100%;
        justify-content: space-between;
    }
    .cap-project-static {
        white-space: normal;
        width: 100%;
    }
    .ccc-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .journey-layout {
        gap: 32px;
    }
    .journey-narrative-card,
    .journey-stage-card,
    .journey-horizon-card {
        padding: 22px 18px;
    }
    .timeline-node {
        padding-left: 40px;
        margin-bottom: 24px;
    }
    .timeline-track::before {
        left: 11px;
    }
    .node-marker {
        left: 3px;
        width: 18px;
        height: 18px;
        top: 22px;
    }
    .node-card {
        padding: 22px 18px;
    }
    .node-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .node-title {
        font-size: 1.18rem;
    }
    .timeline-case-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ── 15B. BUTTON MICRO-INTERACTIONS & TACTILE RESPONSES ────────────────── */
button:active:not(:disabled),
.btn-primary:active,
.btn-secondary:active,
.nav-resume-btn:active,
.hero-resume-action:active,
.spc-btn-details:active,
.timeline-case-btn:active,
.timeline-pill-btn:active,
.filter-btn:active,
.nav-palette-btn:active,
.contact-copy-btn:active,
.contact-channel-card:active,
.contact-submit-btn:active,
.footer-nav-link:active,
.footer-link-item:active,
.soc:active {
    transform: translateY(0) scale(0.97) !important;
}

/* ── 15C. BACK TO TOP BUTTON ─────────────────────────────────────────── */
.back-to-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: rgba(15, 17, 24, 0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.92rem;
    cursor: pointer;
    z-index: 490;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity var(--transition-normal), transform var(--transition-normal), border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(200, 255, 0, 0.22);
}

/* ── 15D. DEVELOPER COMMAND PALETTE ───────────────────────────────────── */
.cmd-palette-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: calc(var(--nav-height) + 24px) 20px 40px 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-medium);
}

.cmd-palette-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.cmd-palette-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(4, 5, 8, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.cmd-palette-card {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 580px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-medium);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.75), 0 0 24px rgba(200, 255, 0, 0.08);
    overflow: hidden;
    transform: translateY(-8px) scale(0.98);
    transition: transform var(--transition-medium);
    display: flex;
    flex-direction: column;
    max-height: 80vh;
}

.cmd-palette-overlay.active .cmd-palette-card {
    transform: translateY(0) scale(1);
}

.cmd-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.cmd-search-icon {
    color: var(--accent);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.cmd-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
}

.cmd-input::placeholder {
    color: var(--text-muted);
}

.cmd-esc-btn {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 3px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.cmd-esc-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.cmd-body {
    padding: 10px 12px;
    overflow-y: auto;
    overscroll-behavior: contain;
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 52vh;
}

.cmd-group-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 10px 12px 4px 12px;
    font-weight: 600;
}

.cmd-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-small);
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    text-align: left;
    width: 100%;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 0.88rem;
    transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.cmd-item:hover,
.cmd-item.selected {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--border);
}

.cmd-item.selected {
    border-color: rgba(200, 255, 0, 0.35);
    background: rgba(200, 255, 0, 0.04);
}

.cmd-item.selected .cmd-item-icon {
    color: var(--accent);
}

.cmd-item-icon {
    color: var(--text-muted);
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.cmd-item-title {
    flex: 1;
    font-weight: 500;
}

.cmd-item-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.cmd-empty-state {
    padding: 32px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-family: var(--font-body);
}

.cmd-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
    padding: 10px 18px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

.cmd-footer-hint {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.cmd-footer-hint kbd {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border);
    padding: 1px 5px;
    border-radius: 3px;
    color: var(--text-secondary);
}

/* ── 16. ACCESSIBILITY: REDUCED MOTION ────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .hero-status,
    .hero-title,
    .hero-positioning,
    .hero-description,
    .hero-actions,
    .hero-signals,
    .hero-visual,
    .hero-scroll-indicator {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
    }
    .scroll-arrow {
        animation: none !important;
    }
    .rv {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .mq-track {
        animation: none !important;
    }
    .cur {
        display: none !important;
    }
    .scroll-progress-bar {
        animation: none !important;
        display: none !important;
    }
    .cmd-palette-card {
        transform: none !important;
        transition: none !important;
    }
}