/* ===========================
   ROOT & TOKENS
   =========================== */
   :root {
    color-scheme: dark;
  
    /* Colors */
    --bg: #09080f;
    --bg-2: #0d0b16;
    --surface: rgba(16, 13, 28, 0.82);
    --surface-strong: rgba(20, 16, 36, 0.94);
    --surface-solid: #100d1c;
  
    --text: #e8eaf0;
    --text-2: #8a8fa8;
    --text-3: #4e5468;
  
    --green: #b57aff;
    --green-dim: rgba(181, 122, 255, 0.12);
    --green-glow: rgba(181, 122, 255, 0.07);
    --cyan: #e0aaff;
    --cyan-dim: rgba(224, 170, 255, 0.1);
    --violet: #7c3aed;
    --violet-dim: rgba(124, 58, 237, 0.15);
  
    --accent: var(--green);
    --accent-2: var(--cyan);
  
    --border: rgba(181, 122, 255, 0.08);
    --border-2: rgba(181, 122, 255, 0.14);
    --border-accent: rgba(181, 122, 255, 0.35);
  
    /* Sizing */
    --container: 1160px;
    --radius: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
  
    /* Shadows */
    --shadow-card: 0 0 0 1px var(--border), 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 0 0 1px var(--border-accent), 0 24px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(181, 122, 255, 0.08);
    --shadow-btn: 0 0 20px rgba(181, 122, 255, 0.3);
  
    /* Transitions */
    --t: 0.25s ease;
    --t-slow: 0.5s ease;
  }
  
  [data-theme="light"] {
    color-scheme: light;
    --bg: #f0f2f7;
    --bg-2: #e8eaf0;
    --surface: rgba(255, 255, 255, 0.75);
    --surface-strong: rgba(255, 255, 255, 0.95);
    --surface-solid: #ffffff;
    --text: #0d0f18;
    --text-2: #4a4f68;
    --text-3: #9ea3bc;
    --green: #7c3aed;
    --green-dim: rgba(124, 58, 237, 0.1);
    --green-glow: rgba(124, 58, 237, 0.06);
    --cyan: #a855f7;
    --cyan-dim: rgba(168, 85, 247, 0.08);
    --violet: #6d28d9;
    --violet-dim: rgba(109, 40, 217, 0.08);
    --border: rgba(0, 0, 0, 0.08);
    --border-2: rgba(0, 0, 0, 0.12);
    --border-accent: rgba(124, 58, 237, 0.3);
    --shadow-card: 0 0 0 1px var(--border), 0 8px 40px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 0 0 1px var(--border-accent), 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-btn: 0 4px 16px rgba(124, 58, 237, 0.25);
  }
  
  /* ===========================
     RESET & BASE
     =========================== */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  
  body {
    font-family: 'DM Sans', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
    min-width: 320px;
    overflow-x: hidden;
    transition: background-color var(--t-slow), color var(--t);
  }
  
  a { color: inherit; text-decoration: none; }
  button { font: inherit; cursor: pointer; border: none; background: none; }
  button, a { -webkit-tap-highlight-color: transparent; }
  img, svg { display: block; max-width: 100%; }
  strong { color: var(--text); font-weight: 600; }
  ul { list-style: none; }
  
  .mono { font-family: 'JetBrains Mono', monospace; }
  .syne { font-family: 'Syne', sans-serif; }
  
  /* ===========================
     BACKGROUND LAYERS
     =========================== */
  .bg-grid {
    position: fixed;
    inset: 0;
    z-index: -3;
    background-image:
      linear-gradient(var(--border) 1px, transparent 1px),
      linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 100%);
    opacity: 0.6;
    pointer-events: none;
  }
  
  [data-theme="light"] .bg-grid { opacity: 0.4; }
  
  .bg-noise {
    position: fixed;
    inset: 0;
    z-index: -2;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-size: 256px;
    pointer-events: none;
  }
  
  [data-theme="light"] .bg-noise { opacity: 0.04; }
  
  .bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.18;
  }
  
  [data-theme="light"] .bg-glow { opacity: 0.12; }
  
  .glow-1 {
    width: 700px; height: 700px;
    top: -200px; left: -200px;
    background: radial-gradient(circle, #7c3aed 0%, transparent 70%);
    opacity: 0.22;
  }
  .glow-2 {
    width: 500px; height: 500px;
    top: 30vh; right: -150px;
    background: radial-gradient(circle, #b57aff 0%, transparent 70%);
    opacity: 0.1;
  }
  .glow-3 {
    width: 400px; height: 400px;
    bottom: 10vh; left: 20%;
    background: radial-gradient(circle, #e0aaff 0%, transparent 70%);
    opacity: 0.06;
  }
  
  [data-theme="light"] .glow-3 { opacity: 0.05; }
  
  .scanlines {
    position: fixed;
    inset: 0;
    z-index: 100;
    pointer-events: none;
    background: repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, 0.015) 2px,
      rgba(0, 0, 0, 0.015) 4px
    );
    opacity: 1;
  }
  
  [data-theme="light"] .scanlines { opacity: 0; }
  
  /* ===========================
     LAYOUT
     =========================== */
  .container {
    width: min(calc(100% - 2.5rem), var(--container));
    margin: 0 auto;
  }
  
  .section {
    padding: 6rem 0;
    position: relative;
  }
  
  /* ===========================
     HEADER / NAV
     =========================== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(24px) saturate(180%);
    background: color-mix(in srgb, var(--bg) 80%, transparent);
    border-bottom: 1px solid var(--border);
  }
  
  .nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 4.5rem;
    position: relative;
  }
  
  .brand {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--text);
    transition: color var(--t);
  }
  
  .brand-bracket {
    color: var(--accent);
  }
  
  .brand:hover { color: var(--accent); }
  
  .site-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
  
  .site-nav a {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    color: var(--text-2);
    font-size: 0.88rem;
    font-weight: 500;
    transition: color var(--t), background var(--t);
  }
  
  .site-nav a:hover,
  .site-nav a.active {
    color: var(--text);
    background: var(--green-dim);
  }
  
  .site-nav a.active {
    color: var(--accent);
  }
  
  .nav-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--accent);
    opacity: 0.7;
  }
  
  .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }
  
  /* Theme toggle */
  .theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 1.75rem;
    border-radius: 999px;
    border: 1px solid var(--border-2);
    background: var(--surface-strong);
    transition: border-color var(--t), box-shadow var(--t);
    position: relative;
  }
  
  .theme-toggle:hover { border-color: var(--border-accent); box-shadow: 0 0 10px var(--green-glow); }
  
  .toggle-track {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
  }
  
  .toggle-thumb {
    position: absolute;
    left: 3px;
    width: 1.2rem;
    height: 1.2rem;
    border-radius: 50%;
    background: var(--accent);
    transition: transform var(--t), background var(--t);
    box-shadow: 0 0 8px rgba(0, 255, 136, 0.4);
  }
  
  [data-theme="light"] .toggle-thumb {
    transform: translateX(1.2rem);
    background: var(--cyan);
    box-shadow: 0 0 8px rgba(168, 85, 247, 0.3);
  }
  
  .toggle-icon {
    position: absolute;
    font-size: 0.65rem;
    line-height: 1;
    color: var(--text-3);
    transition: opacity var(--t);
  }
  
  .toggle-icon.sun { right: 5px; }
  .toggle-icon.moon { left: 5px; }
  
  .sun { opacity: 0; }
  .moon { opacity: 1; }
  [data-theme="light"] .sun { opacity: 1; }
  [data-theme="light"] .moon { opacity: 0; }
  
  /* Mobile nav toggle */
  .nav-toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 2.75rem;
    height: 2.75rem;
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    background: var(--surface-strong);
  }
  
  .nav-toggle span {
    width: 18px; height: 1.5px;
    border-radius: 999px;
    background: var(--text-2);
    transition: transform var(--t), opacity var(--t), width var(--t);
  }
  
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity: 0; width: 0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  
  /* ===========================
     EYEBROW
     =========================== */
  .eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    color: var(--text-3);
    text-transform: none;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
  }
  
  .eyebrow-num {
    color: var(--accent);
    opacity: 0.8;
  }
  
  .cursor-blink {
    color: var(--accent);
    animation: blink 1s step-end infinite;
  }
  
  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
  }
  
  /* ===========================
     SECTION HEADINGS
     =========================== */
  .section-heading {
    margin-bottom: 3rem;
  }
  
  .section-heading h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text);
  }
  
  /* ===========================
     HERO
     =========================== */
  .hero {
    padding-top: 7rem;
    padding-bottom: 6rem;
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 3rem;
    align-items: center;
  }
  
  .hero-copy {
    display: flex;
    flex-direction: column;
  }
  
  .hero-heading {
    display: flex;
    flex-direction: column;
    margin: 0.5rem 0 1.5rem;
    font-family: 'Syne', sans-serif;
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.04em;
  }
  
  .h1-line {
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    color: var(--text-2);
  }
  
  .h1-name {
    font-size: clamp(3.5rem, 8vw, 6.5rem);
    color: var(--text);
  }
  
  .h1-name em {
    font-style: normal;
    background: linear-gradient(90deg, var(--green), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
  }
  
  .h1-name em::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green), var(--cyan));
    opacity: 0.5;
  }
  
  .h1-wave {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-top: 0.25rem;
    display: inline-block;
    animation: wave 2.5s ease-in-out 1s infinite;
    transform-origin: 70% 80%;
    line-height: 1;
  }
  
  @keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(18deg); }
    75% { transform: rotate(-8deg); }
  }
  
  .hero-text {
    font-size: 1.1rem;
    color: var(--text-2);
    margin-bottom: 2rem;
    line-height: 1.6;
  }
  
  .hero-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
  }
  
  .hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
  }
  
  .hero-tags li {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    padding: 0.4rem 0.85rem;
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    color: var(--text-3);
    background: var(--surface);
    transition: border-color var(--t), color var(--t);
  }
  
  .hero-tags li:hover {
    border-color: var(--border-accent);
    color: var(--accent);
  }
  
  /* Hero card */
  .hero-card {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    transition: border-color var(--t), box-shadow var(--t), transform var(--t);
    position: relative;
    overflow: hidden;
  }
  
  .hero-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.6;
  }
  
  .hero-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
  }
  
  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
  }
  
  .card-title-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .live-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
    animation: pulse 2s ease-in-out infinite;
  }
  
  @keyframes pulse {
    0%, 100% { box-shadow: 0 0 4px #b57aff; transform: scale(1); }
    50% { box-shadow: 0 0 14px #b57aff, 0 0 28px rgba(181,122,255,0.3); transform: scale(1.15); }
  }
  
  [data-theme="light"] .live-dot { box-shadow: none; animation: none; }
  
  .card-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-3);
  }
  
  .badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius);
    background: var(--green-dim);
    color: var(--accent);
    border: 1px solid var(--border-accent);
    letter-spacing: 0.05em;
  }
  
  .card-tagline {
    font-size: 0.88rem;
    color: var(--text-2);
    margin-bottom: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
  }
  
  .metric-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  
  .metric-cell {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    padding: 0.875rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: border-color var(--t);
  }
  
  .metric-cell:hover { border-color: var(--border-2); }
  
  .metric-val {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text);
  }
  
  .metric-desc {
    font-size: 0.78rem;
    color: var(--text-3);
    line-height: 1.4;
  }
  
  /* ===========================
     ACTIVITY FEED
     =========================== */
  .activity-feed {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
  }
  
  .activity-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 0.9rem;
    border-bottom: 1px solid var(--border);
    transition: background var(--t);
    cursor: pointer;
    text-decoration: none;
  }
  
  .activity-item:last-child { border-bottom: none; }
  
  .activity-item:hover { background: rgba(181, 122, 255, 0.07); }
  
  .activity-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    flex-shrink: 0;
    min-width: 56px;
    text-align: center;
    margin-top: 0.15rem;
  }
  
  .tag-project {
    background: rgba(181, 122, 255, 0.15);
    color: #b57aff;
    border: 1px solid rgba(181, 122, 255, 0.25);
  }
  
  .tag-write {
    background: rgba(224, 170, 255, 0.12);
    color: #d8aaff;
    border: 1px solid rgba(224, 170, 255, 0.2);
  }
  
  .tag-focus {
    background: rgba(167, 139, 250, 0.12);
    color: #a78bfa;
    border: 1px solid rgba(167, 139, 250, 0.22);
  }
  
  [data-theme="light"] .tag-project {
    background: rgba(124, 58, 237, 0.08);
    color: #7c3aed;
    border-color: rgba(124, 58, 237, 0.2);
  }
  
  [data-theme="light"] .tag-write {
    background: rgba(168, 85, 247, 0.08);
    color: #9333ea;
    border-color: rgba(168, 85, 247, 0.18);
  }
  
  [data-theme="light"] .tag-focus {
    background: rgba(109, 40, 217, 0.08);
    color: #6d28d9;
    border-color: rgba(109, 40, 217, 0.18);
  }
  
  .activity-body {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    flex: 1;
    min-width: 0;
  }
  
  .activity-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text);
    line-height: 1.3;
    white-space: normal;
  }
  
  .activity-item:hover .activity-title { color: var(--accent); }
  
  .activity-sub {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--text-3);
    line-height: 1.4;
    white-space: normal;
  }
  
  .activity-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--accent);
    flex-shrink: 0;
    opacity: 0.7;
    margin-top: 0.15rem;
    transition: opacity var(--t);
  }
  
  .activity-item:hover .activity-time { opacity: 1; }
  
  /* ===========================
     BUTTONS
     =========================== */
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: all var(--t);
    white-space: nowrap;
  }
  
  .button-primary {
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(181, 122, 255, 0.3);
  }
  
  .button-primary:hover {
    background: var(--cyan);
    border-color: var(--cyan);
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(224, 170, 255, 0.35);
  }
  
  .button-ghost {
    background: var(--surface-strong);
    color: var(--text-2);
    border-color: var(--border-2);
  }
  
  .button-ghost:hover {
    color: var(--text);
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: 0 0 10px var(--green-glow);
  }
  
  .button-sm {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.9rem;
    font-size: 0.82rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid var(--border-2);
    background: var(--surface);
    color: var(--text-2);
    transition: all var(--t);
  }
  
  .button-sm:hover {
    border-color: var(--border-accent);
    color: var(--accent);
  }
  
  /* ===========================
     ABOUT
     =========================== */
  .about-block {
    display: flex;
    gap: 2rem;
    align-items: stretch;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(1.5rem, 4vw, 2.5rem);
    box-shadow: var(--shadow-card);
    transition: border-color var(--t), box-shadow var(--t), transform var(--t);
    position: relative;
    overflow: hidden;
  }
  
  .about-block::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 100% 0%, var(--green-dim), transparent 60%);
    pointer-events: none;
  }
  
  .about-block:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
  }
  
  .about-accent-bar {
    flex-shrink: 0;
    width: 3px;
    border-radius: 3px;
    background: linear-gradient(180deg, var(--green), var(--cyan));
  }
  
  .about-block p {
    font-size: 1.05rem;
    color: var(--text-2);
    line-height: 1.75;
    margin: 0;
  }
  
  /* ===========================
     PROJECTS
     =========================== */
  .projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  
  .project-card {
    position: relative;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    box-shadow: var(--shadow-card);
    transition: border-color var(--t), box-shadow var(--t), transform var(--t);
    overflow: hidden;
  }
  
  .project-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--green), var(--cyan), transparent);
    opacity: 0;
    transition: opacity var(--t);
  }
  
  .project-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
  }
  
  .project-card:hover::before { opacity: 1; }
  
  .project-index {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--border-2);
    line-height: 1;
    user-select: none;
    transition: color var(--t);
  }
  
  .project-card:hover .project-index { color: var(--green-dim); }
  
  .project-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.8;
  }
  
  .project-inner h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    margin: 0.3rem 0 0.75rem;
  }
  
  .project-inner p {
    font-size: 0.9rem;
    color: var(--text-2);
    margin-bottom: 0.5rem;
    line-height: 1.6;
  }
  
  .stack-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
  }
  
  .stack-list li {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    padding: 0.28rem 0.65rem;
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    color: var(--text-3);
    background: var(--surface);
    transition: border-color var(--t), color var(--t);
  }
  
  .stack-list li:hover {
    border-color: var(--border-accent);
    color: var(--accent);
  }
  
  .project-footer {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
  }
  
  .project-details {
    flex: 1;
  }
  
  .project-details summary {
    display: inline-flex;
    align-items: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
    cursor: pointer;
    list-style: none;
    transition: color var(--t);
  }
  
  .project-details summary::-webkit-details-marker { display: none; }
  .project-details summary:hover { color: var(--accent); }
  .project-details[open] summary { color: var(--accent); margin-bottom: 0.75rem; }
  .project-details p { font-size: 0.88rem; color: var(--text-2); margin: 0; line-height: 1.6; }
  
  /* ===========================
     WRITING
     =========================== */
  .writing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  
  .writing-card {
    display: flex;
    gap: 1.25rem;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--shadow-card);
    transition: border-color var(--t), box-shadow var(--t), transform var(--t);
    position: relative;
    overflow: hidden;
  }
  
  .writing-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 0% 100%, var(--cyan-dim), transparent 50%);
    pointer-events: none;
  }
  
  .writing-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
  }
  
  .writing-icon {
    flex-shrink: 0;
    font-size: 1.75rem;
    line-height: 1;
    margin-top: 0.1rem;
  }
  
  .writing-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
  }
  
  .writing-card p {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.6;
  }
  
  .text-link {
    display: inline-flex;
    align-items: center;
    margin-top: 0.875rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    transition: letter-spacing var(--t);
  }
  
  .text-link:hover { letter-spacing: 0.03em; }
  
  /* ===========================
     SKILLS
     =========================== */
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
  
  .skill-block {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    transition: border-color var(--t), box-shadow var(--t), transform var(--t);
  }
  
  .skill-block:hover {
    border-color: var(--border-accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
  }
  
  .skill-category {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
  }
  
  .skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .skill-tags span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    color: var(--text-2);
    background: var(--surface);
    transition: all var(--t);
  }
  
  .skill-tags span:hover {
    border-color: var(--border-accent);
    color: var(--accent);
    background: var(--green-dim);
  }
  
  /* ===========================
     CARE BAND
     =========================== */
  .care-band {
    display: flex;
    gap: 3rem;
    align-items: center;
    padding: 2.5rem 3rem;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
  }
  
  .care-band::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--cyan), var(--green));
  }
  
  .care-band::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 100% 50%, var(--violet-dim), transparent 60%);
    pointer-events: none;
  }
  
  .care-label {
    flex-shrink: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
  }
  
  .care-band p {
    font-size: 1rem;
    color: var(--text-2);
    line-height: 1.75;
  }
  
  /* ===========================
     TIMELINE
     =========================== */
  .timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
  }
  
  .tl-item {
    display: grid;
    grid-template-columns: 80px 40px 1fr;
    align-items: start;
    gap: 0;
  }
  
  .tl-left {
    display: flex;
    justify-content: flex-end;
    padding-top: 1.2rem;
    padding-right: 1rem;
  }
  
  .tl-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }
  
  .tl-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 1.1rem;
    position: relative;
  }
  
  .tl-connector::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: -2rem;
    width: 1px;
    background: linear-gradient(180deg, var(--border-accent), var(--border));
  }
  
  .tl-item:last-child .tl-connector::before { background: linear-gradient(180deg, var(--border-accent), transparent); }
  
  .tl-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg);
    box-shadow: 0 0 10px rgba(181, 122, 255, 0.5);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
  }
  
  [data-theme="light"] .tl-dot { box-shadow: none; }
  
  .tl-card {
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-left: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-card);
    transition: border-color var(--t), box-shadow var(--t), transform var(--t);
  }
  
  .tl-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px) translateX(3px);
  }
  
  .tl-card h3 {
    font-family: 'Syne', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
  }
  
  .tl-meta {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
    opacity: 0.8;
  }
  
  .tl-card p {
    font-size: 0.9rem;
    color: var(--text-2);
    line-height: 1.6;
  }
  
  /* ===========================
     CONTACT
     =========================== */
  .contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 5vw, 3.5rem);
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
  }
  
  .contact-wrap::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), var(--cyan), transparent);
  }
  
  .contact-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 80%, var(--violet-dim), transparent 50%);
    pointer-events: none;
  }
  
  .contact-copy h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 0.75rem;
  }
  
  .contact-copy p {
    font-size: 0.95rem;
    color: var(--text-2);
    line-height: 1.65;
  }
  
  .contact-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    z-index: 1;
  }
  
  .contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--t);
  }
  
  .contact-link:hover {
    border-color: var(--border-accent);
    background: var(--green-dim);
    transform: translateX(4px);
  }
  
  .contact-link-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    min-width: 80px;
  }
  
  .contact-link-val {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-2);
    font-weight: 400;
  }
  
  .contact-link-arrow {
    color: var(--accent);
    font-size: 1rem;
    transition: transform var(--t);
  }
  
  .contact-link:hover .contact-link-arrow { transform: translate(2px, -2px); }
  
  /* ===========================
     FOOTER
     =========================== */
  .site-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
  }
  
  .footer-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }
  
  .footer-shell p,
  .footer-shell a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-3);
  }
  
  .back-top {
    transition: color var(--t);
  }
  .back-top:hover { color: var(--accent); }
  
  /* ===========================
     REVEAL ANIMATIONS
     =========================== */
  .reveal { opacity: 1; transform: translateY(0); }
  
  .js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }
  
  .js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* ===========================
     RESPONSIVE
     =========================== */
  @media (max-width: 1100px) {
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
  }
  
  @media (max-width: 980px) {
    .hero-grid,
    .contact-wrap {
      grid-template-columns: 1fr;
    }
  
    .hero { padding-top: 5rem; }
    .hero-card { max-width: 500px; }
  
    .projects-grid,
    .writing-grid {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 760px) {
    .section { padding: 4rem 0; }
  
    .js .nav-toggle { display: inline-flex; }
  
    .js .site-nav {
      position: absolute;
      top: calc(100% + 0.5rem);
      right: 0; left: 0;
      display: grid;
      padding: 0.5rem;
      border-radius: var(--radius-lg);
      background: color-mix(in srgb, var(--surface-strong) 98%, transparent);
      border: 1px solid var(--border-2);
      box-shadow: var(--shadow-card);
      backdrop-filter: blur(24px);
      opacity: 0;
      pointer-events: none;
      transform: translateY(-8px);
      transition: opacity var(--t), transform var(--t);
      z-index: 10;
    }
  
    .js .site-nav a {
      border-radius: var(--radius);
      padding: 0.85rem 1rem;
      font-size: 0.95rem;
    }
  
    .js .nav-open .site-nav {
      opacity: 1;
      pointer-events: auto;
      transform: translateY(0);
    }
  
    /* Hero */
    .hero { padding-top: 4rem; padding-bottom: 4rem; }
    .hero-card { max-width: 100%; }
  
    /* Single column grids */
    .projects-grid,
    .writing-grid { grid-template-columns: 1fr; }
  
    /* Project card */
    .project-card { padding: 1.25rem; gap: 1rem; }
    .project-index { font-size: 1.75rem; top: 1rem; right: 1rem; }
    .project-inner h3 { font-size: 1.2rem; }
  
    /* About */
    .about-block { padding: 1.5rem; gap: 1rem; }
    .about-block p { font-size: 0.95rem; }
  
    /* Skills */
    .skills-grid { grid-template-columns: 1fr 1fr; }
    .skill-block { padding: 1.1rem; }
  
    /* Care band */
    .care-band { flex-direction: column; gap: 1.25rem; padding: 1.5rem 1.75rem; }
    .care-label { writing-mode: initial; text-orientation: initial; transform: none; }
  
    /* Timeline */
    .tl-item { grid-template-columns: 60px 32px 1fr; }
    .tl-card { padding: 1.1rem; margin-left: 0.75rem; margin-bottom: 1rem; }
    .tl-card h3 { font-size: 1rem; }
  
    /* Contact */
    .contact-wrap { padding: 1.5rem; gap: 1.5rem; }
    .contact-link { padding: 0.85rem 1rem; }
    .contact-link-label { min-width: 65px; font-size: 0.7rem; }
    .contact-link-val { font-size: 0.82rem; }
  
    /* Writing */
    .writing-card { padding: 1.25rem; gap: 1rem; }
    .writing-icon { font-size: 1.4rem; }
    .writing-card h3 { font-size: 1.1rem; }
  
    /* Activity feed */
    .activity-item { padding: 0.75rem; gap: 0.6rem; }
    .activity-tag { min-width: 48px; font-size: 0.58rem; }
    .activity-title { font-size: 0.82rem; }
    .activity-sub { font-size: 0.62rem; }
  
    /* Section headings */
    .section-heading { margin-bottom: 1.75rem; }
    .section-heading h2 { font-size: clamp(1.6rem, 6vw, 2.2rem); }
  
    .footer-shell { flex-direction: column; align-items: flex-start; }
  }
  
  @media (max-width: 560px) {
    .container { width: min(calc(100% - 1.25rem), var(--container)); }
  
    .hero { padding-top: 3.5rem; padding-bottom: 3rem; }
    .h1-line, .h1-name { font-size: clamp(2.8rem, 12vw, 4rem); }
    .h1-wave { font-size: clamp(1.6rem, 6vw, 2rem); }
    .hero-text { font-size: 0.95rem; margin-bottom: 1.5rem; }
    .hero-actions { flex-direction: column; gap: 0.6rem; margin-bottom: 1.25rem; }
    .button { width: 100%; padding: 0.85rem 1rem; font-size: 0.88rem; }
    .hero-tags { gap: 0.4rem; }
    .hero-tags li { font-size: 0.7rem; padding: 0.35rem 0.7rem; }
  
    /* Hero card */
    .hero-card { padding: 1.1rem; }
    .card-tagline { font-size: 0.82rem; margin-bottom: 1rem; padding-bottom: 1rem; }
    .badge { font-size: 0.65rem; padding: 0.2rem 0.5rem; }
  
    /* Activity feed */
    .activity-feed { border-radius: var(--radius); }
    .activity-item { padding: 0.65rem 0.75rem; }
    .activity-tag { min-width: 44px; padding: 0.15rem 0.4rem; }
    .activity-time { font-size: 0.58rem; }
  
    /* Skills */
    .skills-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  
    /* About */
    .about-block { flex-direction: column; gap: 0.75rem; padding: 1.25rem; }
    .about-accent-bar { width: 100%; height: 3px; }
    .about-block p { font-size: 0.92rem; }
  
    /* Projects */
    .project-card { padding: 1.1rem; }
    .project-inner h3 { font-size: 1.1rem; }
    .project-footer { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .button-sm { width: 100%; justify-content: center; }
  
    /* Timeline */
    .tl-item { grid-template-columns: 0 28px 1fr; }
    .tl-left { display: none; }
    .tl-card { margin-left: 0.5rem; padding: 1rem; }
  
    /* Contact */
    .contact-wrap { grid-template-columns: 1fr; gap: 1.5rem; padding: 1.25rem; }
    .contact-link { flex-wrap: wrap; gap: 0.5rem; }
    .contact-link-val { font-size: 0.78rem; word-break: break-all; }
  
    /* Writing */
    .writing-card { flex-direction: column; gap: 0.75rem; padding: 1.1rem; }
  
    /* Care band */
    .care-band { padding: 1.25rem; }
    .care-band p { font-size: 0.92rem; }
  
    .nav-shell { min-height: 3.75rem; }
  }
  
  @media (max-width: 380px) {
    .h1-line, .h1-name { font-size: 2.5rem; }
    .section-heading h2 { font-size: 1.5rem; }
    .project-label { font-size: 0.65rem; }
    .activity-tag { display: none; }
    .contact-link-label { min-width: unset; }
  }
  
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .js .reveal { opacity: 1; transform: none; }
  }