:root {
    /* Paper (light) — clean off-white with deep ink */
    --paper: #f5f3ee;
    --paper-2: #ece9e1;
    --paper-3: #e0dccf;
    --ink: #0e0d0a;
    --ink-soft: #2a2823;
    --ink-mute: #6b675c;
    --ink-dim: #9b9789;
    --rule: rgba(14, 13, 10, 0.13);
    --rule-soft: rgba(14, 13, 10, 0.07);
    --accent: #3a5fcd;                          /* electric cobalt */
    --accent-soft: rgba(58, 95, 205, 0.14);

    --hero-text: #f4f0e6;
    --hero-mute: rgba(244, 240, 230, 0.65);
    --hero-overlay-top: rgba(0, 0, 0, 0);
    --hero-overlay-bottom: rgba(8, 7, 6, 0.55);
    --hero-glass-bg: rgba(20, 18, 14, 0.42);
    --hero-glass-border: rgba(244, 240, 230, 0.14);
    --hero-img-filter: none;

    --font-display: 'Fraunces', 'Times New Roman', serif;
    --font-serif: 'Instrument Serif', 'Fraunces', serif;
    --font-body: 'Inter Tight', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    --max: 1320px;
    --pad: clamp(1.25rem, 4vw, 3rem);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);

    color-scheme: light;
  }

  /* Paper (light): invert hero image to luminous negative */
  html[data-theme="paper"] {
    --hero-img-filter: invert(1) hue-rotate(180deg) saturate(0) brightness(0.98) contrast(1.02);
    --hero-text: #0e0d0a;
    --hero-mute: rgba(14, 13, 10, 0.6);
    --hero-overlay-top: rgba(255, 255, 255, 0.18);
    --hero-overlay-bottom: rgba(245, 243, 238, 0.6);
    --hero-glass-bg: rgba(245, 243, 238, 0.5);
    --hero-glass-border: rgba(14, 13, 10, 0.12);
  }

  /* Ink (dark) — default for system dark + first-visit dark */
  html[data-theme="ink"] {
    --paper: #0a0a0c;
    --paper-2: #131316;
    --paper-3: #1c1c1f;
    --ink: #ece6d6;
    --ink-soft: #c8c2b3;
    --ink-mute: #807a6d;
    --ink-dim: #56514a;
    --rule: rgba(236, 230, 214, 0.14);
    --rule-soft: rgba(236, 230, 214, 0.07);
    --hero-text: #ece6d6;
    --hero-mute: rgba(236, 230, 214, 0.62);
    --hero-overlay-top: rgba(0, 0, 0, 0);
    --hero-overlay-bottom: rgba(0, 0, 0, 0.65);
    --hero-glass-bg: rgba(10, 10, 12, 0.42);
    --hero-glass-border: rgba(236, 230, 214, 0.16);
    --hero-img-filter: none;
    color-scheme: dark;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  /* scroll-behavior owned by Lenis. Native 'smooth' would compound with Lenis's
     window.scrollTo() each frame and cause the perceived lag. */
  html { scroll-behavior: auto; }
  html.no-lenis { scroll-behavior: smooth; }
  body {
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    font-feature-settings: "ss01", "cv11";
    transition: background 450ms var(--ease), color 450ms var(--ease);
  }
  ::selection { background: var(--accent); color: var(--paper); }
  a { color: inherit; text-decoration: none; }
  img, svg { max-width: 100%; display: block; }

  /* Paper grain */
  body::before {
    content: '';
    position: fixed; inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.06;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.1  0 0 0 0 0.09  0 0 0 0 0.07  0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  html[data-theme="ink"] body::before { mix-blend-mode: screen; opacity: 0.08; }

  /* Scroll progress */
  .scroll-progress {
    position: fixed; top: 0; left: 0;
    height: 2px; width: 0%;
    background: var(--accent);
    z-index: 100;
    transition: width 80ms linear;
    pointer-events: none;
  }

  /* ─── MASTHEAD ─── */
  .masthead {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    padding: 0.85rem var(--pad);
    background: transparent;
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    border-bottom: 1px solid transparent;
    transition: border-color 500ms var(--ease), background 500ms var(--ease), backdrop-filter 500ms var(--ease);
  }
  .masthead.scrolled {
    background: color-mix(in oklch, var(--paper) 82%, transparent);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    border-bottom-color: var(--rule);
  }
  .mast-mark { color: var(--hero-text); transition: color 400ms var(--ease); }
  .masthead.scrolled .mast-mark { color: var(--ink); }
  .masthead-inner {
    max-width: var(--max); margin: 0 auto;
    display: flex; align-items: center; justify-content: center;
    gap: 1rem;
  }
  .mast-mark {
    font-family: var(--font-display); font-weight: 400;
    font-size: 1.05rem; letter-spacing: -0.01em;
    display: flex; align-items: baseline; gap: 0.5rem;
  }
  .mast-mark em { font-style: italic; color: var(--accent); }
  .mast-mark .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent); align-self: center;
    box-shadow: 0 0 0 0 var(--accent);
    animation: dot-pulse 2.6s var(--ease) infinite;
  }
  @keyframes dot-pulse {
    0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--accent) 40%, transparent); }
    50% { box-shadow: 0 0 0 8px transparent; }
  }

  /* ─── HERO / COVER ─── */
  .cover {
    position: relative;
    min-height: 100vh; min-height: 100svh;
    padding: 6.5rem var(--pad) 2.5rem;
    overflow: hidden;
    display: flex; flex-direction: column;
    color: var(--hero-text);
    isolation: isolate;
  }

  .cover-bg {
    position: absolute; inset: 0; z-index: -2;
    overflow: hidden;
    background: var(--paper);
  }
  .cover-bg img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center 65%;
    filter: var(--hero-img-filter);
    transform: scale(1.05) translate3d(0, 0, 0);
    animation: ken-burns 28s ease-in-out infinite alternate;
    transition: filter 600ms var(--ease);
    will-change: transform, filter;
  }
  @keyframes ken-burns {
    from { transform: scale(1.05) translate3d(0%, 0%, 0); }
    to   { transform: scale(1.14) translate3d(-1.2%, 1.5%, 0); }
  }

  .cover-overlay {
    position: absolute; inset: 0; z-index: -1;
    pointer-events: none;
    background:
      linear-gradient(180deg, var(--hero-overlay-top) 0%, transparent 22%),
      linear-gradient(0deg, var(--hero-overlay-bottom) 0%, transparent 38%);
    transition: background 500ms var(--ease);
  }
  .cover-overlay::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.18) 100%);
  }
  html[data-theme="paper"] .cover-overlay::after {
    background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.06) 100%);
  }

  /* Subtle film grain over hero */
  .cover::before {
    content: '';
    position: absolute; inset: 0; z-index: -1;
    pointer-events: none;
    opacity: 0.07;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 300 300' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  .cover-grid {
    max-width: var(--max); margin: 0 auto; width: 100%; flex: 1;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
    padding-top: 2rem;
    padding-bottom: 2rem;
    position: relative;
    perspective: 1400px;
  }
  @media (max-width: 920px) {
    .cover-grid { grid-template-columns: 1fr; align-items: start; padding-top: 2.5rem; }
  }

  .cover-kicker {
    font-family: var(--font-mono); font-size: 0.74rem;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--hero-mute);
    display: flex; align-items: center; gap: 0.85rem;
    margin-bottom: 1.5rem;
    opacity: 0; animation: fade 700ms var(--ease) 300ms forwards;
  }
  .cover-kicker::before {
    content: '§01'; color: var(--accent); font-weight: 500;
    border-right: 1px solid color-mix(in oklch, var(--hero-mute) 35%, transparent); padding-right: 0.85rem;
  }

  .cover-name {
    font-family: var(--font-display); font-weight: 300;
    font-size: clamp(3.5rem, 11vw, 9rem);
    line-height: 0.92; letter-spacing: -0.045em;
    color: var(--hero-text);
    margin-bottom: 1.25rem;
    text-shadow: 0 1px 30px color-mix(in oklch, var(--paper) 40%, transparent);
  }
  .cover-name .ln { display: block; overflow: hidden; }
  .cover-name .ln span {
    display: inline-block;
    transform: translateY(110%);
    animation: rise 1100ms var(--ease) forwards;
  }
  .cover-name .ln:nth-child(1) span { animation-delay: 350ms; }
  .cover-name .ln:nth-child(2) span { animation-delay: 500ms; }
  .cover-name em {
    font-style: italic;
    font-family: var(--font-serif);
    font-weight: 400;
    color: var(--accent);
    letter-spacing: -0.02em;
  }
  @keyframes rise { to { transform: translateY(0); } }
  @keyframes fade { to { opacity: 1; } }

  .cover-lede {
    font-family: var(--font-serif);
    font-size: clamp(1.3rem, 2.2vw, 1.7rem);
    line-height: 1.35; color: var(--hero-text);
    max-width: 32ch; font-weight: 400;
    margin-bottom: 2rem;
    opacity: 0; animation: fade 800ms var(--ease) 850ms forwards;
  }
  .cover-lede em { color: var(--accent); font-style: italic; }

  .cover-byline {
    display: flex; flex-wrap: wrap; gap: 1.25rem 2rem; align-items: center;
    font-family: var(--font-mono); font-size: 0.78rem;
    letter-spacing: 0.04em; color: var(--hero-mute);
    margin-bottom: 2.25rem;
    opacity: 0; animation: fade 700ms var(--ease) 1050ms forwards;
  }
  .cover-byline strong { color: var(--hero-text); font-weight: 500; }
  .cover-byline .sep { color: color-mix(in oklch, var(--hero-mute) 60%, transparent); }

  .cover-cta {
    display: flex; gap: 0.7rem; flex-wrap: wrap;
    opacity: 0; animation: fade 700ms var(--ease) 1200ms forwards;
  }
  .cover .btn {
    border-color: var(--hero-text);
    color: var(--hero-text);
  }
  .cover .btn::before { background: var(--hero-text); }
  .cover .btn:hover { color: var(--paper); }
  .cover .btn-primary {
    background: var(--hero-text); color: var(--paper);
    border-color: var(--hero-text);
  }
  .cover .btn-primary::before { background: var(--accent); }
  .cover .btn-primary:hover { color: var(--paper); border-color: var(--accent); }

  .btn {
    font-family: var(--font-mono); font-size: 0.78rem;
    letter-spacing: 0.06em; text-transform: uppercase;
    padding: 0.85rem 1.25rem;
    border: 1px solid var(--ink);
    background: transparent; color: var(--ink); cursor: pointer;
    display: inline-flex; align-items: center; gap: 0.6rem;
    position: relative; overflow: hidden;
    transition: color 350ms var(--ease), border-color 350ms var(--ease);
    z-index: 0;
  }
  .btn::before {
    content: ''; position: absolute; inset: 0; background: var(--ink);
    transform: translateY(100%); transition: transform 450ms var(--ease);
    z-index: -1;
  }
  .btn:hover { color: var(--paper); }
  .btn:hover::before { transform: translateY(0); }
  .btn-primary { background: var(--ink); color: var(--paper); }
  .btn-primary::before { background: var(--accent); }
  .btn-primary:hover { color: var(--paper); border-color: var(--accent); }
  .btn .arr { transition: transform 300ms var(--ease); }
  .btn:hover .arr { transform: translateX(4px); }

  /* Editorial Index card (glassmorphism on hero image) */
  .cover-index {
    position: relative;
    width: 100%;
    max-width: 460px;
    margin-left: auto;
    padding: 1.75rem 1.75rem 1.5rem;
    background: var(--hero-glass-bg);
    border: 1px solid var(--hero-glass-border);
    border-radius: 4px;
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    box-shadow:
      0 1px 0 color-mix(in oklch, var(--hero-text) 8%, transparent) inset,
      0 30px 60px -20px rgba(0, 0, 0, 0.45);
    color: var(--hero-text);
    opacity: 0; animation: fade 1100ms var(--ease) 700ms forwards;
  }
  @media (max-width: 920px) {
    .cover-index { max-width: 100%; margin: 0; order: -1; }
  }
  .cover-index::before {
    content: '01';
    position: absolute;
    top: -28%; right: -8%;
    font-family: var(--font-display);
    font-size: clamp(7rem, 20vw, 16rem);
    font-weight: 300;
    color: var(--accent);
    opacity: 0.22;
    line-height: 1;
    letter-spacing: -0.05em;
    pointer-events: none;
    z-index: -1;
    user-select: none;
    mix-blend-mode: screen;
  }
  html[data-theme="paper"] .cover-index::before { mix-blend-mode: multiply; opacity: 0.18; }
  .cover-index .ix-head {
    display: flex; justify-content: space-between; align-items: baseline;
    font-family: var(--font-mono); font-size: 0.68rem;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--hero-mute);
    padding-bottom: 0.85rem;
    border-bottom: 1px solid color-mix(in oklch, var(--hero-text) 22%, transparent);
    margin-bottom: 0.85rem;
  }
  .cover-index .ix-head .acc { color: var(--accent); }
  .cover-index .ix-list { display: flex; flex-direction: column; }
  .cover-index .ix-row {
    display: grid;
    grid-template-columns: 2.2rem 1fr auto;
    align-items: baseline;
    gap: 0.85rem;
    padding: 0.6rem 0;
    border-bottom: 1px dotted color-mix(in oklch, var(--hero-text) 14%, transparent);
    transition: padding 280ms var(--ease), background 280ms var(--ease);
    position: relative;
  }
  .cover-index .ix-row:last-child { border-bottom: none; }
  .cover-index .ix-row:hover {
    padding-left: 0.5rem;
    background: color-mix(in oklch, var(--accent) 12%, transparent);
  }
  .cover-index .ix-row:hover .ix-title { color: var(--accent); }
  .cover-index .ix-num {
    font-family: var(--font-mono); font-size: 0.7rem;
    letter-spacing: 0.06em;
    color: var(--hero-mute);
  }
  .cover-index .ix-title {
    font-family: var(--font-display); font-weight: 400;
    font-size: 1.08rem;
    letter-spacing: -0.01em;
    color: var(--hero-text);
    transition: color 250ms var(--ease);
  }
  .cover-index .ix-title em { font-style: italic; color: var(--accent); font-family: var(--font-serif); }
  .cover-index .ix-sub {
    display: block;
    font-family: var(--font-mono); font-size: 0.64rem;
    letter-spacing: 0.04em; color: var(--hero-mute);
    text-transform: none;
    margin-top: 0.15rem;
  }
  .cover-index .ix-pg {
    font-family: var(--font-mono); font-size: 0.68rem;
    color: var(--hero-mute); letter-spacing: 0.04em;
    font-variant-numeric: tabular-nums;
  }
  .cover-index .ix-foot {
    margin-top: 1rem;
    padding-top: 0.85rem;
    border-top: 1px solid color-mix(in oklch, var(--hero-text) 14%, transparent);
    display: flex; justify-content: space-between; align-items: center;
    font-family: var(--font-mono); font-size: 0.66rem;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--hero-mute);
  }
  .cover-index .ix-foot .mark { display: inline-flex; gap: 0.4rem; align-items: center; }
  .cover-index .ix-foot .mark .d {
    width: 4px; height: 4px; background: var(--accent);
    transform: rotate(45deg);
  }
  .cover-index .ix-row::after {
    content: '↗';
    position: absolute;
    right: 0.5rem; top: 50%;
    transform: translateY(-50%) translateX(-6px);
    opacity: 0;
    font-family: var(--font-mono); font-size: 0.8rem;
    color: var(--accent);
    transition: opacity 250ms var(--ease), transform 350ms var(--ease);
  }
  .cover-index .ix-row:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
  }
  .cover-index .ix-row:hover .ix-pg { opacity: 0; transition: opacity 250ms var(--ease); }

  /* Cover footer ornament */
  .cover-foot {
    max-width: var(--max); margin: 0 auto; width: 100%;
    padding-top: 1.25rem;
    border-top: 1px solid color-mix(in oklch, var(--hero-text) 20%, transparent);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.25rem;
    font-family: var(--font-mono); font-size: 0.7rem;
    letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--hero-mute);
    opacity: 0; animation: fade 700ms var(--ease) 1400ms forwards;
  }
  .ornament {
    display: flex; align-items: center; gap: 0.65rem;
    color: color-mix(in oklch, var(--hero-text) 40%, transparent);
  }
  .ornament .tick { display: inline-block; width: 1px; height: 9px; background: currentColor; }
  .ornament .tick.tall { height: 14px; background: var(--accent); }
  .ornament .dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
  .ornament .dot.solid { background: var(--accent); }
  .ornament .diamond {
    width: 7px; height: 7px;
    background: var(--accent);
    transform: rotate(45deg);
  }
  .ornament .rule {
    flex: 1; height: 1px; background: color-mix(in oklch, var(--hero-text) 20%, transparent);
    min-width: 24px;
  }
  .cover-foot .scroll-pip { display: inline-flex; align-items: center; gap: 0.5rem; }
  .cover-foot .scroll-pip svg {
    width: 12px; height: 12px;
    animation: bob 2.4s var(--ease) infinite;
  }
  @keyframes bob {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50% { transform: translateY(3px); opacity: 1; }
  }

  /* ─── SECTIONS ─── */
  section { position: relative; z-index: 2; padding: 6rem var(--pad); }
  .container { max-width: var(--max); margin: 0 auto; }

  .section-head {
    display: grid; grid-template-columns: 120px 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: baseline;
    padding-bottom: 2rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--rule);
  }
  @media (max-width: 720px) {
    .section-head { grid-template-columns: 1fr; gap: 0.85rem; padding-bottom: 1.5rem; margin-bottom: 2rem; }
  }
  .section-num {
    font-family: var(--font-mono); font-size: 0.78rem;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--accent);
    display: flex; flex-direction: column; gap: 0.35rem;
  }
  .section-num .lbl { color: var(--ink-mute); }
  .section-title {
    font-family: var(--font-display); font-weight: 300;
    font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.04;
    letter-spacing: -0.028em;
    max-width: 22ch;
    text-wrap: pretty;
  }
  .section-title em {
    font-style: italic; font-family: var(--font-serif);
    font-weight: 400; color: var(--accent);
  }

  /* ── ABOUT ── */
  .about-grid {
    display: grid;
    grid-template-columns: 120px 1.5fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }
  @media (max-width: 880px) {
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .about-margin { display: none; }
  }
  .about-margin {
    font-family: var(--font-mono); font-size: 0.7rem;
    letter-spacing: 0.12em; color: var(--ink-mute);
    text-transform: uppercase;
    padding-top: 0.5rem;
    border-top: 1px solid var(--rule);
  }
  .about-margin div + div { margin-top: 0.4rem; }
  .about-margin .v { color: var(--ink); text-transform: none; letter-spacing: 0; font-family: var(--font-body); }

  .about-prose {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 1.7vw, 1.55rem);
    line-height: 1.45;
    color: var(--ink);
    max-width: 50ch;
  }
  .about-prose p { margin-bottom: 1.1rem; }
  .about-prose p:first-child::first-letter {
    font-family: var(--font-display);
    font-weight: 300;
    float: left;
    font-size: 4.6em;
    line-height: 0.85;
    padding: 0.08em 0.12em 0 0;
    color: var(--accent);
  }
  .about-prose em { color: var(--accent); font-style: italic; }
  .about-prose strong { font-weight: 500; color: var(--ink); }

  .about-side { display: flex; flex-direction: column; gap: 1.5rem; }
  .skill-group { border-top: 1px solid var(--rule); padding-top: 0.85rem; }
  .skill-group-h {
    font-family: var(--font-mono); font-size: 0.68rem;
    letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 0.7rem;
    display: flex; justify-content: space-between;
  }
  .skill-group-h .ct { color: var(--ink-dim); }
  .skill-list {
    display: flex; flex-wrap: wrap; gap: 0.3rem;
    font-family: var(--font-mono); font-size: 0.78rem;
  }
  .skill {
    padding: 0.28rem 0.6rem;
    border: 1px solid var(--rule);
    color: var(--ink-soft);
    background: transparent;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: border-color 380ms var(--ease),
                color 380ms var(--ease),
                transform 380ms var(--ease);
    cursor: default;
  }
  /* Accent fill that wipes in from the left, same language as the cert wash */
  .skill::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 480ms var(--ease);
    z-index: -1;
  }
  .skill:hover {
    border-color: var(--accent);
    color: var(--paper);
    transform: translateY(-2px);
  }
  .skill:hover::before { transform: scaleX(1); }
  .skill .lvl {
    color: var(--ink-dim);
    margin-left: 0.4rem;
    font-size: 0.72rem;
    transition: color 380ms var(--ease);
  }
  .skill:hover .lvl { color: color-mix(in oklch, var(--paper) 70%, transparent); }

  /* ── PROJECTS / CASES ── */
  .work { padding-top: 2rem; }
  .case {
    position: relative;
    display: grid;
    grid-template-columns: 120px 1fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    padding: 4rem 0;
    border-top: 1px solid var(--rule);
    align-items: start;
  }
  .case:last-child { border-bottom: 1px solid var(--rule); }
  @media (max-width: 880px) {
    .case { grid-template-columns: 1fr; gap: 1.5rem; padding: 2.5rem 0; }
  }
  .case-mark {
    font-family: var(--font-mono); font-size: 0.72rem;
    letter-spacing: 0.18em; text-transform: uppercase;
    color: var(--ink-mute);
    position: sticky; top: 5rem;
  }
  .case-mark .roman {
    font-family: var(--font-display);
    font-weight: 300; font-style: italic;
    font-size: 2.4rem; letter-spacing: -0.02em;
    color: var(--accent);
    display: block;
    margin-top: 0.25rem;
  }
  @media (max-width: 880px) { .case-mark { position: static; } }
  .case-body { display: flex; flex-direction: column; gap: 1.5rem; }
  .case-title {
    font-family: var(--font-display); font-weight: 300;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    text-wrap: balance;
  }
  .case-title em { font-style: italic; font-family: var(--font-serif); color: var(--accent); }
  .case-sub {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
    color: var(--ink-mute);
    text-transform: uppercase;
  }
  .case-desc {
    font-size: 1rem; line-height: 1.65;
    color: var(--ink-soft);
    max-width: 56ch;
  }
  .case-desc em { font-family: var(--font-serif); font-style: italic; color: var(--ink); }

  .case-table {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--rule);
    margin-top: 0.5rem;
  }
  .case-table .cell {
    padding: 0.85rem 0;
    border-right: 1px solid var(--rule);
    display: flex; flex-direction: column; gap: 0.25rem;
  }
  .case-table .cell:last-child { border-right: none; }
  .case-table .cell:not(:first-child) { padding-left: 0.85rem; }
  .case-table .v {
    font-family: var(--font-display); font-weight: 400;
    font-size: clamp(1.4rem, 2.2vw, 1.9rem);
    color: var(--ink); letter-spacing: -0.02em;
    line-height: 1;
  }
  .case-table .v em { color: var(--accent); font-style: italic; font-family: var(--font-serif); }
  .case-table .l {
    font-family: var(--font-mono); font-size: 0.66rem;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--ink-mute);
  }

  .case-tags {
    display: flex; flex-wrap: wrap; gap: 0.4rem;
    font-family: var(--font-mono); font-size: 0.7rem;
    color: var(--ink-mute);
    letter-spacing: 0.06em;
  }
  .case-tags span { padding: 0.2rem 0.55rem; background: var(--paper-2); }

  .case-cta {
    font-family: var(--font-mono); font-size: 0.76rem;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--ink);
    display: inline-flex; align-items: center; gap: 0.55rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--ink);
    transition: all 300ms var(--ease);
    align-self: flex-start;
  }
  .case-cta:hover { color: var(--accent); border-bottom-color: var(--accent); gap: 0.85rem; }

  .case-visual {
    position: relative;
    aspect-ratio: 4/5;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    overflow: hidden;
    transition: all 500ms var(--ease);
  }
  .case-visual::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 60%, color-mix(in oklch, var(--accent) 14%, transparent));
    opacity: 0; transition: opacity 400ms var(--ease);
    pointer-events: none;
  }
  .case-visual:hover { transform: translateY(-3px); border-color: var(--ink); }
  .case-visual:hover::after { opacity: 1; }
  .case-visual img {
    width: 100%; height: 100%; object-fit: cover;
    transform: translate3d(0, calc(var(--case-y, 0) * -1px), 0) scale(1);
    transition: transform 900ms var(--ease);
  }
  .case-visual:hover img { transform: translate3d(0, calc(var(--case-y, 0) * -1px), 0) scale(1.04); }
  .case-visual .cap {
    position: absolute; top: 0.85rem; left: 0.85rem; right: 0.85rem;
    font-family: var(--font-mono); font-size: 0.65rem;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--ink-soft);
    display: flex; justify-content: space-between;
    pointer-events: none; z-index: 1;
  }
  .case-visual .cap span:last-child { color: var(--accent); }

  /* ── EXPERIENCE ── */
  .xp-entry {
    display: grid;
    grid-template-columns: 120px 1fr 1.1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    border-top: 1px solid var(--rule);
    padding: 2.5rem 0;
  }
  .xp-entry:last-child { border-bottom: 1px solid var(--rule); }
  @media (max-width: 880px) { .xp-entry { grid-template-columns: 1fr; gap: 1.25rem; } }
  .xp-when {
    font-family: var(--font-mono); font-size: 0.74rem;
    color: var(--ink-mute); letter-spacing: 0.06em;
  }
  .xp-when strong { color: var(--ink); font-weight: 500; display: block; margin-top: 0.2rem; }
  .xp-meat { display: flex; flex-direction: column; gap: 0.8rem; }
  .xp-role {
    font-family: var(--font-display); font-weight: 300;
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    line-height: 1.05; letter-spacing: -0.02em;
  }
  .xp-role em { font-style: italic; color: var(--accent); font-family: var(--font-serif); }
  .xp-org {
    font-family: var(--font-mono); font-size: 0.78rem;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--accent);
  }
  .xp-desc { color: var(--ink-soft); line-height: 1.65; max-width: 56ch; }
  .xp-aside { display: flex; flex-direction: column; gap: 1rem; }
  .ledger {
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--rule);
  }
  .ledger .row {
    display: grid; grid-template-columns: 1fr 1.2fr;
    gap: 1rem; padding: 0.85rem 0;
    border-bottom: 1px dashed var(--rule);
    align-items: baseline;
  }
  .ledger .row:last-child { border-bottom: none; }
  .ledger .num {
    font-family: var(--font-display); font-weight: 400;
    font-size: 1.5rem; color: var(--ink);
    line-height: 1; letter-spacing: -0.01em;
  }
  .ledger .num em { color: var(--accent); font-style: italic; font-family: var(--font-serif); }
  .ledger .desc {
    font-family: var(--font-mono); font-size: 0.78rem;
    color: var(--ink-mute); line-height: 1.5;
  }

  .pipeline {
    margin-top: 1.5rem;
    border: 1px solid var(--rule);
    background: var(--paper-2);
    overflow: hidden;
    position: relative;
    transition: all 450ms var(--ease);
  }
  .pipeline:hover { border-color: var(--ink); }
  .pipeline img { width: 100%; display: block; }
  html[data-theme="ink"] .pipeline img { filter: invert(0.92) hue-rotate(180deg) saturate(0.5); }
  .pipeline-cap {
    font-family: var(--font-mono); font-size: 0.7rem;
    color: var(--ink-mute); padding: 0.85rem 1rem;
    border-top: 1px solid var(--rule);
    letter-spacing: 0.04em;
    display: flex; gap: 0.85rem;
  }
  .pipeline-cap .fig { color: var(--accent); font-weight: 500; }
  .pipeline-trace {
    position: absolute; top: 0; bottom: 0; left: 0;
    width: 140px;
    background: linear-gradient(to right, transparent, color-mix(in oklch, var(--accent) 14%, transparent), transparent);
    mix-blend-mode: multiply;
    pointer-events: none;
    animation: trace 8s var(--ease) infinite;
  }
  html[data-theme="ink"] .pipeline-trace { mix-blend-mode: screen; }
  @keyframes trace {
    0% { transform: translateX(-140px); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateX(120vw); opacity: 0; }
  }

  /* ── STUDY / EDUCATION + CERTS ── */
  .edu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  @media (max-width: 720px) { .edu-grid { grid-template-columns: 1fr; } }
  .edu-card {
    padding: 1.75rem;
    background: var(--paper-2);
    border: 1px solid var(--rule);
    transition: all 350ms var(--ease);
  }
  .edu-card:hover { border-color: var(--ink); transform: translateY(-2px); }
  .edu-when {
    font-family: var(--font-mono); font-size: 0.72rem;
    letter-spacing: 0.06em; color: var(--ink-mute);
    margin-bottom: 0.75rem;
  }
  .edu-degree {
    font-family: var(--font-display); font-weight: 300;
    font-size: 1.4rem; line-height: 1.15;
    letter-spacing: -0.01em;
    margin-bottom: 0.35rem;
  }
  .edu-degree em { font-style: italic; color: var(--accent); font-family: var(--font-serif); }
  .edu-school {
    font-family: var(--font-mono); font-size: 0.78rem;
    letter-spacing: 0.04em; color: var(--accent);
    margin-bottom: 1rem;
  }
  .edu-notes {
    font-size: 0.92rem; color: var(--ink-mute); line-height: 1.55;
    padding-top: 0.85rem; border-top: 1px solid var(--rule);
  }
  .edu-notes strong { color: var(--ink); font-weight: 500; }

  .certs {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--rule);
  }
  .certs-h {
    font-family: var(--font-mono); font-size: 0.74rem;
    letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 1.5rem;
    display: flex; align-items: center; gap: 0.75rem;
  }
  .certs-h::before {
    content: ''; width: 24px; height: 1px; background: var(--accent);
  }
  .certs-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 0;
  }
  .cert {
    display: flex; flex-direction: column;
    /* Padding stays constant — content shift is GPU translateX for smoothness. */
    padding: 1.1rem 1.25rem 1.1rem 0.85rem;
    border-top: 1px solid var(--rule);
    position: relative;
    overflow: hidden;
    transition: background 380ms var(--ease),
                border-color 380ms var(--ease);
  }
  /* Soft accent wash that wipes in from left */
  .cert::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
      color-mix(in oklch, var(--accent) 8%, transparent) 0%,
      transparent 70%);
    transform: translateX(-100%);
    transition: transform 540ms var(--ease);
    pointer-events: none;
    z-index: 0;
  }
  .cert:hover::after { transform: translateX(0); }
  .cert::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: top center;
    transition: transform 520ms var(--ease);
    z-index: 1;
    will-change: transform;
  }
  .cert:hover {
    background: transparent;
    border-top-color: color-mix(in oklch, var(--accent) 30%, var(--rule));
  }
  .cert:hover::before { transform: scaleY(1); }

  .cert-name,
  .cert-issuer,
  .cert-verify {
    position: relative;
    z-index: 1;
    /* Single transition definition shared across the inner content for a unified glide */
    transition: transform 520ms var(--ease),
                color 360ms var(--ease),
                letter-spacing 360ms var(--ease),
                gap 360ms var(--ease);
    will-change: transform;
  }
  .cert:hover .cert-name,
  .cert:hover .cert-issuer,
  .cert:hover .cert-verify {
    transform: translateX(0.55rem);
  }

  .cert-name {
    font-family: var(--font-display); font-weight: 400;
    font-size: 1.1rem; line-height: 1.2;
    margin-bottom: 0.35rem;
    letter-spacing: -0.005em;
  }
  .cert:hover .cert-name {
    color: var(--accent);
    letter-spacing: 0;
  }
  .cert-issuer {
    font-family: var(--font-mono); font-size: 0.72rem;
    color: var(--ink-mute); letter-spacing: 0.04em;
    margin-bottom: 0.5rem;
  }
  .cert:hover .cert-issuer { color: var(--ink-soft); }
  .cert-verify {
    font-family: var(--font-mono); font-size: 0.7rem;
    letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--accent);
    display: inline-flex; align-items: center; gap: 0.4rem;
    margin-top: auto;
  }
  .cert:hover .cert-verify { gap: 0.7rem; }

  /* ── COLOPHON / FOOTER ── */
  .colophon {
    background: var(--paper-2);
    border-top: 1px solid var(--rule);
    padding: 6rem var(--pad) 2rem;
    position: relative; z-index: 2;
  }
  .colophon-inner { max-width: var(--max); margin: 0 auto; }
  .colophon-head {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--rule);
  }
  @media (max-width: 720px) {
    .colophon-head { grid-template-columns: 1fr; gap: 0.85rem; }
  }
  .colophon-cta {
    font-family: var(--font-display); font-weight: 300;
    font-size: clamp(3rem, 9vw, 7rem); line-height: 0.95;
    letter-spacing: -0.035em;
    max-width: 14ch;
    text-wrap: balance;
  }
  .colophon-cta em { font-style: italic; color: var(--accent); font-family: var(--font-serif); }

  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    margin-bottom: 3rem;
  }
  @media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }
  .contact-cell {
    padding: 1.5rem 1.5rem 1.5rem 0;
    border-top: 1px solid var(--rule);
    display: flex; align-items: center; gap: 1rem;
    position: relative;
    overflow: hidden;
    isolation: isolate;
    transition: background 380ms var(--ease),
                border-top-color 380ms var(--ease);
  }
  .contact-cell:nth-child(odd) { border-right: 1px solid var(--rule); padding-right: 1.5rem; padding-left: 0; }
  .contact-cell:nth-child(even) { padding-left: 1.5rem; }
  @media (max-width: 720px) {
    .contact-cell { padding: 1.25rem 0 !important; border-right: none !important; }
  }
  /* Top-edge accent bar wipes in from the left (rows are wide, so horizontal wipe reads better than vertical) */
  .contact-cell::before {
    content: '';
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 560ms var(--ease);
    z-index: 1;
  }
  /* Soft accent wash gradient, same as the cert */
  .contact-cell::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
      color-mix(in oklch, var(--accent) 8%, transparent) 0%,
      transparent 70%);
    transform: translateX(-100%);
    transition: transform 560ms var(--ease);
    pointer-events: none;
    z-index: 0;
  }
  .contact-cell:hover {
    background: transparent;
    border-top-color: color-mix(in oklch, var(--accent) 28%, var(--rule));
  }
  .contact-cell:hover::before { transform: scaleX(1); }
  .contact-cell:hover::after  { transform: translateX(0); }

  .contact-cell .lbl,
  .contact-cell .val,
  .contact-cell .arr {
    position: relative;
    z-index: 1;
    transition: transform 520ms var(--ease),
                color 360ms var(--ease);
  }
  .contact-cell .lbl {
    font-family: var(--font-mono); font-size: 0.68rem;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--ink-mute);
    width: 80px; flex-shrink: 0;
  }
  .contact-cell .val {
    font-family: var(--font-display); font-weight: 400;
    font-size: 1.25rem;
    color: var(--ink);
    letter-spacing: -0.005em;
    flex: 1;
  }
  .contact-cell .arr { color: var(--ink-mute); }

  .contact-cell:hover .lbl { transform: translateX(0.55rem); color: var(--ink-soft); }
  .contact-cell:hover .val { transform: translateX(0.55rem); color: var(--accent); }
  .contact-cell:hover .arr { transform: translate(0.85rem, -4px); color: var(--accent); }

  .colophon-foot {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: 2rem; border-top: 1px solid var(--rule);
    font-family: var(--font-mono); font-size: 0.7rem;
    letter-spacing: 0.12em; text-transform: uppercase;
    color: var(--ink-dim);
    flex-wrap: wrap; gap: 1rem;
  }
  .colophon-foot .signal { display: inline-flex; align-items: center; gap: 0.5rem; }
  .colophon-foot .signal::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent); animation: dot-pulse 2.6s var(--ease) infinite;
  }

  /* ── REVEAL ── */
  .reveal {
    opacity: 0; transform: translateY(28px);
    transition: opacity 800ms var(--ease), transform 800ms var(--ease);
  }
  .reveal.in { opacity: 1; transform: translateY(0); }
  .reveal-stagger > * {
    opacity: 0; transform: translateY(14px);
    transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  }
  .reveal-stagger.in > * { opacity: 1; transform: translateY(0); }
  .reveal-stagger.in > *:nth-child(1) { transition-delay: 30ms; }
  .reveal-stagger.in > *:nth-child(2) { transition-delay: 90ms; }
  .reveal-stagger.in > *:nth-child(3) { transition-delay: 150ms; }
  .reveal-stagger.in > *:nth-child(4) { transition-delay: 210ms; }
  .reveal-stagger.in > *:nth-child(5) { transition-delay: 270ms; }
  .reveal-stagger.in > *:nth-child(6) { transition-delay: 330ms; }
  .reveal-stagger.in > *:nth-child(7) { transition-delay: 390ms; }

  /* ─── PULL-CORD THEME SWITCH ─── */
  .pull-cord {
    position: fixed;
    top: 0;
    right: clamp(1.5rem, 6vw, 5rem);
    z-index: 70;
    width: 30px;
    height: 170px;
    background: none;
    border: 0;
    padding: 0;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    display: block;
    opacity: 0;
    transform-origin: top center;
    animation: fade 800ms var(--ease) 600ms forwards,
               cord-idle-sway 5.6s ease-in-out 1.8s infinite;
  }
  .pull-cord:hover,
  .pull-cord:focus-visible,
  .pull-cord.pulling {
    animation: fade 800ms var(--ease) 600ms forwards;
  }
  .pull-cord:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    border-radius: 4px;
  }
  @keyframes cord-idle-sway {
    0%, 78%, 100% { transform: rotate(0deg); }
    82%  { transform: rotate(1.3deg); }
    86%  { transform: rotate(-0.95deg); }
    90%  { transform: rotate(0.55deg); }
    94%  { transform: rotate(-0.25deg); }
  }
  @keyframes cord-bead-pulse {
    0%, 76%, 100% {
      box-shadow:
        0 4px 14px color-mix(in oklch, var(--accent) 40%, transparent),
        inset -1px -2px 3px color-mix(in oklch, black 25%, transparent),
        inset 1px 1px 1px color-mix(in oklch, white 40%, transparent);
    }
    84% {
      box-shadow:
        0 6px 22px color-mix(in oklch, var(--accent) 65%, transparent),
        inset -1px -2px 3px color-mix(in oklch, black 25%, transparent),
        inset 1px 1px 1px color-mix(in oklch, white 40%, transparent);
    }
  }
  .pull-cord .cord-string {
    position: absolute;
    top: 0; left: 50%;
    width: 1.5px;
    height: 122px;
    transform: translateX(-50%);
    background: linear-gradient(to bottom,
      color-mix(in oklch, var(--hero-text) 0%, transparent) 0%,
      color-mix(in oklch, var(--hero-text) 40%, transparent) 12%,
      color-mix(in oklch, var(--hero-text) 75%, transparent) 100%);
    transform-origin: top center;
    transition: background 400ms var(--ease);
  }
  .pull-cord .cord-bead {
    position: absolute;
    top: 115px; left: 50%;
    transform: translateX(-50%);
    width: 13px; height: 17px;
    background: linear-gradient(160deg,
      color-mix(in oklch, white 30%, var(--accent)) 0%,
      var(--accent) 55%,
      color-mix(in oklch, black 25%, var(--accent)) 100%);
    border-radius: 50% 50% 45% 45%;
    box-shadow:
      0 4px 14px color-mix(in oklch, var(--accent) 40%, transparent),
      inset -1px -2px 3px color-mix(in oklch, black 25%, transparent),
      inset 1px 1px 1px color-mix(in oklch, white 40%, transparent);
    transition: box-shadow 350ms var(--ease), filter 350ms var(--ease);
    animation: cord-bead-pulse 5.6s ease-in-out 1.8s infinite;
  }
  .pull-cord:hover .cord-bead,
  .pull-cord:focus-visible .cord-bead,
  .pull-cord.pulling .cord-bead { animation: none; }
  .pull-cord .cord-bead::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 3px; height: 4px;
    border-radius: 50%;
    background: color-mix(in oklch, white 60%, transparent);
    pointer-events: none;
  }
  .pull-cord:hover .cord-bead {
    filter: brightness(1.1);
    box-shadow:
      0 6px 22px color-mix(in oklch, var(--accent) 60%, transparent),
      inset -1px -2px 3px color-mix(in oklch, black 25%, transparent),
      inset 1px 1px 1px color-mix(in oklch, white 40%, transparent);
  }
  .pull-cord.pulling .cord-string {
    animation: cord-string-pull 760ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  .pull-cord.pulling .cord-bead {
    animation: cord-bead-pull 760ms cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  @keyframes cord-string-pull {
    0%   { transform: translateX(-50%) scaleY(1); }
    28%  { transform: translateX(-50%) scaleY(1.32); }
    50%  { transform: translateX(-50%) scaleY(0.92); }
    72%  { transform: translateX(-50%) scaleY(1.05); }
    100% { transform: translateX(-50%) scaleY(1); }
  }
  @keyframes cord-bead-pull {
    0%   { transform: translateX(-50%) translateY(0); }
    28%  { transform: translateX(-50%) translateY(36px); }
    50%  { transform: translateX(-50%) translateY(-7px); }
    72%  { transform: translateX(-50%) translateY(3px); }
    100% { transform: translateX(-50%) translateY(0); }
  }
  @media (max-width: 640px) {
    .pull-cord { right: 1rem; height: 140px; }
    .pull-cord .cord-string { height: 100px; }
    .pull-cord .cord-bead { top: 92px; }
  }
  .theme-flash {
    position: fixed;
    pointer-events: none;
    z-index: 69;
    border-radius: 50%;
    background: radial-gradient(circle, color-mix(in oklch, var(--accent) 25%, transparent) 0%, transparent 65%);
    transform: translate(-50%, -50%) scale(0);
    opacity: 0.9;
    animation: flash 900ms var(--ease) forwards;
  }
  @keyframes flash {
    to { transform: translate(-50%, -50%) scale(60); opacity: 0; }
  }

  /* ─── PARALLAX & MICRO-ANIMATIONS ─── */
  .cover-text {
    transform: translate3d(calc(var(--px, 0) * -8px), calc(var(--py, 0) * -6px), 0);
    transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
  }
  .cover-text.tracking { transition: transform 180ms linear; }

  .cover-index {
    transform: translate3d(calc(var(--px, 0) * 10px), calc(var(--py, 0) * 8px), 0)
               rotateX(calc(var(--py, 0) * -2deg))
               rotateY(calc(var(--px, 0) * 2.5deg));
    transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
    transform-style: preserve-3d;
    will-change: transform;
  }
  .cover-index.tracking { transition: transform 200ms linear; }

  .cover-index::before {
    transform: translate3d(calc(var(--px-bg, 0) * 18px), calc(var(--py-bg, 0) * 14px + var(--scroll-y, 0) * -0.08px), 0);
    transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
  }

  .btn {
    transform: translate3d(calc(var(--mx, 0) * 6px), calc(var(--my, 0) * 6px), 0);
  }

  /* Word-stagger reveal */
  .word-reveal .w {
    display: inline-block;
    transform: translateY(110%);
    opacity: 0;
    transition: transform 900ms cubic-bezier(0.22, 1, 0.36, 1),
                opacity 600ms cubic-bezier(0.22, 1, 0.36, 1);
  }
  .word-reveal .w-wrap { display: inline-block; overflow: hidden; vertical-align: bottom; }
  .word-reveal.in .w { transform: translateY(0); opacity: 1; }

  /* ─── MARQUEE / TICKER STRIP ─── */
  .marquee {
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    overflow: hidden;
    background: var(--paper);
    position: relative;
    z-index: 2;
    padding: 1rem 0;
    -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
            mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  }
  .marquee-track {
    display: flex;
    gap: 3.5rem;
    width: max-content;
    animation: scroll-x 38s linear infinite;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--ink);
    white-space: nowrap;
    align-items: center;
  }
  .marquee:hover .marquee-track { animation-play-state: paused; }
  .marquee-track .item { display: inline-flex; align-items: center; gap: 3.5rem; }
  .marquee-track .item em {
    font-style: italic;
    font-family: var(--font-serif);
    color: var(--accent);
  }
  .marquee-track .item .sep {
    display: inline-block;
    width: 6px; height: 6px;
    background: var(--accent);
    transform: rotate(45deg);
    flex-shrink: 0;
  }
  @keyframes scroll-x {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }

  @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;
    }
    .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
    .cover-name .ln span { transform: none !important; }
    .cover-kicker, .cover-lede, .cover-byline, .cover-cta,
    .cover-index, .cover-foot { opacity: 1 !important; }
    .pipeline-trace { display: none; }
    .cover-text, .cover-index, .cover-index::before, .btn { transform: none !important; }
    .marquee-track { animation: none; }
    .word-reveal .w { transform: none !important; opacity: 1 !important; }
    .pull-cord.pulling .cord-string, .pull-cord.pulling .cord-bead { animation: none; }
    .theme-flash { display: none; }
  }
/* ════════════════════════════════════════════════════════
   ─── EXTENSIONS (WebGL hero · custom cursor · helpers)
   ════════════════════════════════════════════════════════ */

/* Hero WebGL canvas — sits inside .cover-bg behind the fallback img */
.cover-bg {
  opacity: var(--hero-fade, 1);
  transition: opacity 250ms linear;
}
.hero-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  z-index: 0;
  pointer-events: none;
  /* match the same crop/feel as the jpg */
  filter: saturate(1.05) contrast(1.04);
}
.cover-bg.webgl-active > img {
  opacity: 0;
  transition: opacity 700ms var(--ease);
}
html[data-theme="ink"] .hero-canvas { filter: saturate(1.1) contrast(1.06); }

/* Custom cursor — ring + dot, blends across themes via mix-blend-mode */
.cursor, .cursor-dot {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  will-change: transform;
}
.cursor {
  width: 28px; height: 28px;
  border: 1px solid var(--hero-text);
  border-radius: 50%;
  mix-blend-mode: difference;
  transition: width 280ms var(--ease), height 280ms var(--ease),
              border-color 280ms var(--ease), background 280ms var(--ease),
              opacity 200ms var(--ease);
}
.cursor-dot {
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  transition: opacity 200ms var(--ease), transform 80ms linear;
}
html.has-custom-cursor .cursor,
html.has-custom-cursor .cursor-dot { opacity: 1; }
html.has-custom-cursor,
html.has-custom-cursor a,
html.has-custom-cursor button,
html.has-custom-cursor [role="button"],
html.has-custom-cursor input,
html.has-custom-cursor textarea {
  cursor: none !important;
}
.cursor.hover {
  width: 58px; height: 58px;
  border-color: var(--accent);
  background: color-mix(in oklch, var(--accent) 10%, transparent);
}
.cursor.down {
  width: 22px; height: 22px;
  transition: width 120ms var(--ease), height 120ms var(--ease),
              border-color 120ms var(--ease), background 120ms var(--ease);
}

/* Hide custom cursor on touch / reduced-motion */
@media (pointer: coarse) {
  .cursor, .cursor-dot { display: none !important; }
  html.has-custom-cursor,
  html.has-custom-cursor * { cursor: auto !important; }
}
@media (prefers-reduced-motion: reduce) {
  .cursor, .cursor-dot { display: none !important; }
  .cover-bg { opacity: 1 !important; }
}

/* Pipeline trace — when GSAP takes over, the CSS animation is unset by JS;
   make sure the default isn't ugly during the first frame */
.pipeline-trace { transform: translateX(-160px); opacity: 0; }
.pipeline-trace.ready { opacity: 1; }

/* ─── SOUND TOGGLE (top-left fixed) ─── */
.sound-toggle {
  position: fixed;
  top: 1.05rem;
  left: clamp(1.25rem, 4vw, 3rem);
  z-index: 70;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--hero-glass-border);
  background: var(--hero-glass-bg);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  color: var(--hero-text);
  cursor: pointer;
  display: grid;
  place-items: center;
  padding: 0;
  transition: border-color 280ms var(--ease),
              color 280ms var(--ease),
              background 280ms var(--ease),
              transform 280ms var(--ease);
  opacity: 0;
  animation: fade 700ms var(--ease) 800ms forwards;
}
.sound-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.06);
}
.sound-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.sound-toggle svg { width: 14px; height: 14px; display: block; }
.sound-toggle .icon-off { display: none; }
.sound-toggle[aria-pressed="false"] { color: var(--ink-mute); }
.sound-toggle[aria-pressed="false"] .icon-on  { display: none; }
.sound-toggle[aria-pressed="false"] .icon-off { display: block; }

/* On the hero (before scroll), the toggle leans on hero-text via vars.
   After scroll, page background is paper/ink — switch border accordingly. */
@media (max-width: 640px) {
  .sound-toggle { width: 30px; height: 30px; top: 0.85rem; left: 0.85rem; }
  .sound-toggle svg { width: 12px; height: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .sound-toggle { animation: none; opacity: 1; transform: none !important; }
}