/* ============================================================
   ALLELESS.EXE — design system
   Palette: monocromatica calda — terracotta su crema/caffè,
   un solo tono variato in luminosità, atmosfera rilassata
   ============================================================ */

:root {
  /* surfaces — crema / sabbia */
  --paper: #FAF4EC;
  --paper-2: #F3E7D9;
  --card: rgba(255, 252, 246, .78);
  --card-2: rgba(255, 253, 249, .92);
  --dock: rgba(252, 246, 238, .85);
  --soft: rgba(74, 52, 34, .055);
  --line: rgba(74, 52, 34, .1);
  --line-2: rgba(74, 52, 34, .18);

  /* ink — marrone caldo */
  --ink: #2B1D13;
  --ink-2: #4B3727;
  --muted: #7B6650;

  /* accents — unica famiglia: terracotta */
  --accent: #C06A3C;
  --accent-deep: #9E4F27;
  --accent-2: #DE9A6C;
  --accent-3: #A8552C;
  --on-accent: #FFF9F3;
  --amber: #C98A2E;
  --red: #BE4B3A;
  --green: #5C8A50;

  /* dark stage (inverted panel) */
  --stage-1: #2A1B12;
  --stage-2: #3C2415;
  --stage-ink: #F6EDE2;
  --stage-muted: #B39C86;

  /* geometry */
  --maxw: 1200px;
  --gut: clamp(1.05rem, 4vw, 2rem);
  --r-s: 12px;
  --r-m: 20px;
  --r-l: 30px;
  --r-pill: 999px;

  /* depth */
  --sh-1: 0 1px 2px rgba(58, 38, 22, .06), 0 10px 26px -16px rgba(58, 38, 22, .26);
  --sh-2: 0 2px 6px rgba(58, 38, 22, .07), 0 26px 60px -24px rgba(158, 79, 39, .38);
  --sh-3: 0 40px 90px -30px rgba(158, 79, 39, .42), 0 2px 8px rgba(58, 38, 22, .09);
  --glow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent), 0 22px 60px -20px color-mix(in srgb, var(--accent) 65%, transparent);
  --grad: linear-gradient(115deg, var(--accent-3) 0%, var(--accent) 48%, var(--accent-2) 100%);
  --grad-soft: linear-gradient(115deg, color-mix(in srgb, var(--accent) 18%, transparent), color-mix(in srgb, var(--accent-2) 10%, transparent));

  /* motion */
  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-3d: cubic-bezier(.16, 1, .3, 1);
  --pop: cubic-bezier(.34, 1.56, .64, 1);

  --mx: .5;
  --my: .5;
  --dp: 0;

  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #14100C;
  --paper-2: #1B1611;
  --card: rgba(255, 242, 228, .05);
  --card-2: rgba(255, 242, 228, .08);
  --dock: rgba(27, 22, 17, .82);
  --soft: rgba(255, 240, 222, .06);
  --line: rgba(255, 240, 222, .1);
  --line-2: rgba(255, 240, 222, .2);

  --ink: #F4EAE0;
  --ink-2: #D8C6B3;
  --muted: #A28C77;

  --accent: #D98F5F;
  --accent-deep: #C06A3C;
  --accent-2: #EBB78E;
  --accent-3: #B96A3E;
  --on-accent: #1B1109;
  --amber: #E2A85C;
  --red: #DE7059;
  --green: #86B56F;

  --stage-1: #100C09;
  --stage-2: #2B1B10;
  --stage-ink: #F7EFE5;
  --stage-muted: #AB947D;

  --sh-1: 0 1px 0 rgba(255, 240, 222, .04) inset, 0 12px 30px -18px rgba(0, 0, 0, .85);
  --sh-2: 0 2px 10px rgba(0, 0, 0, .45), 0 30px 70px -30px rgba(185, 106, 62, .45);
  --sh-3: 0 50px 110px -34px rgba(0, 0, 0, .92), 0 0 0 1px rgba(255, 240, 222, .05);
  --glow: 0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent), 0 24px 70px -22px color-mix(in srgb, var(--accent) 75%, transparent);

  color-scheme: dark;
}

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth; scroll-padding-top: 116px;
  -webkit-text-size-adjust: 100%; text-size-adjust: 100%; overflow-x: clip;
}
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px; line-height: 1.65;
  overflow-x: clip; word-wrap: break-word;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  padding-bottom: 7.5rem;
  transition: background-color .4s var(--ease), color .4s var(--ease);
}
body.modal-open { overflow: hidden; }
::selection { background: color-mix(in srgb, var(--accent) 85%, transparent); color: var(--on-accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: color-mix(in srgb, var(--accent) 60%, var(--ink)); border: 3px solid var(--paper); border-radius: 999px; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; min-width: 2.75rem; min-height: 2.75rem; }
ul, ol { list-style: none; }
h1, h2, h3 { line-height: 1.06; letter-spacing: -.03em; }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gut); position: relative; }
main.wrap { z-index: 1; }

/* ---------- background layers ---------- */
.bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-orb { position: absolute; border-radius: 50%; filter: blur(72px); opacity: .62; will-change: transform; }
.bg-orb-a {
  width: 46rem; height: 46rem; top: -18rem; right: -14rem;
  background: radial-gradient(circle at 35% 35%, color-mix(in srgb, var(--accent) 58%, transparent), transparent 66%);
  animation: orb-a 26s ease-in-out infinite;
}
.bg-orb-b {
  width: 38rem; height: 38rem; bottom: -16rem; left: -12rem;
  background: radial-gradient(circle at 60% 40%, color-mix(in srgb, var(--accent-2) 46%, transparent), transparent 66%);
  animation: orb-b 32s ease-in-out infinite;
}
.bg-orb-c {
  width: 30rem; height: 30rem; top: 44%; left: 52%;
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--accent-3) 34%, transparent), transparent 68%);
  opacity: .38; animation: orb-c 40s ease-in-out infinite;
}
:root[data-theme="dark"] .bg-orb { opacity: .42; filter: blur(84px); }
.bg-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 10%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 10%, transparent 72%);
  opacity: .7;
}
.bg-noise {
  position: absolute; inset: 0; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

/* ---------- chrome ---------- */
#scroll-progress {
  position: fixed; top: 0; left: 0; z-index: 100; height: 3px; width: 100%;
  pointer-events: none; transform-origin: 0 50%; transform: scaleX(0);
  background: var(--grad); box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 70%, transparent);
  transition: transform .08s linear;
}
.skip-link {
  position: fixed; top: 1rem; left: 1rem; z-index: 120; padding: .7rem 1.1rem;
  background: var(--ink); color: var(--paper); border-radius: var(--r-pill);
  font-size: .85rem; font-weight: 600; transform: translateY(-200%); transition: transform .2s var(--ease);
}
.skip-link:focus-visible { transform: none; }
.cursor-dot {
  position: fixed; top: 0; left: 0; z-index: 110; width: 11px; height: 11px;
  border-radius: 50%; background: #fff; mix-blend-mode: difference;
  pointer-events: none; opacity: 0; transform: translate(-100px, -100px);
  transition: width .25s var(--pop), height .25s var(--pop), opacity .3s, border-radius .25s;
}
.cursor-dot.is-on { opacity: 1; }
.cursor-dot.is-big { width: 44px; height: 44px; border-radius: 12px; opacity: .9; }

.top { position: sticky; top: .85rem; z-index: 50; padding: 0 var(--gut); }
.top-in {
  display: flex; align-items: center; justify-content: space-between; gap: .6rem;
  max-width: var(--maxw); margin: 0 auto; padding: .5rem .55rem .5rem 1.1rem;
  border: 1px solid var(--line); border-radius: var(--r-pill);
  background: var(--dock);
  backdrop-filter: blur(20px) saturate(160%); -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: var(--sh-2);
  transition: box-shadow .3s var(--ease), background-color .4s var(--ease), border-color .4s var(--ease);
}
.brand {
  display: flex; align-items: center; gap: .6rem; white-space: nowrap;
  font-family: "JetBrains Mono", monospace; font-size: .82rem; font-weight: 700; letter-spacing: .02em;
}
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--grad); flex-shrink: 0;
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
  animation: pulse 2.4s ease-in-out infinite;
}
.top-nav { display: flex; gap: .25rem; font-size: .85rem; font-weight: 500; }
.top-nav a {
  position: relative; padding: .45rem .8rem; border-radius: var(--r-pill);
  color: var(--muted); perspective: 200px; transition: color .2s var(--ease);
}
.top-nav a::after {
  content: ""; position: absolute; left: .6rem; right: .6rem; bottom: .2rem; height: 2px;
  background: var(--grad); border-radius: 2px; transform-origin: center;
  transform: rotateX(-90deg) scaleX(.4); transition: transform .32s var(--ease);
}
.top-nav a:hover { color: var(--ink); }
.top-nav a:hover::after, .top-nav a.is-active::after { transform: rotateX(0) scaleX(1); }
.top-nav a.is-active { color: var(--ink); font-weight: 600; }
.top-ctl { display: flex; align-items: center; gap: .4rem; }
.icon-btn {
  width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 50%; background: var(--card);
  color: var(--ink-2); transition: transform .2s var(--pop), box-shadow .25s, background .2s, color .2s;
}
.icon-btn:hover { transform: translateY(-2px) scale(1.06); box-shadow: var(--glow); color: var(--accent); }
.lang-sw {
  display: inline-flex; padding: 3px; gap: 2px;
  border: 1px solid var(--line); border-radius: var(--r-pill); background: var(--soft);
}
.lang-btn {
  padding: .28rem .6rem; min-width: 0; min-height: 0; border-radius: var(--r-pill);
  font-family: "JetBrains Mono", monospace; font-size: .66rem; font-weight: 700;
  letter-spacing: .08em; color: var(--muted);
  transition: color .2s, background .3s var(--ease), transform .3s var(--ease), box-shadow .3s;
}
.lang-btn.is-active { background: var(--ink); color: var(--paper); box-shadow: 0 4px 12px -4px rgba(0, 0, 0, .4); }
.menu-btn { display: none; }

/* ---------- primitives ---------- */
.kicker {
  display: inline-flex; align-items: center; gap: .7rem;
  font-family: "JetBrains Mono", monospace; font-size: .7rem; font-weight: 600;
  letter-spacing: .24em; text-transform: uppercase; color: var(--accent);
}
.kicker::before {
  content: ""; width: 30px; height: 2px; border-radius: 2px; display: inline-block;
  background: var(--grad); transform-origin: left; animation: growW 1s var(--ease) both;
}
.badge {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: "JetBrains Mono", monospace; font-size: .7rem; font-weight: 500;
  padding: .45rem 1rem; border: 1px solid var(--line-2); border-radius: var(--r-pill);
  background: var(--card);
  box-shadow: var(--sh-1); transition: transform .25s var(--ease), box-shadow .25s, border-color .25s;
}
.badge:hover { transform: translateY(-3px); box-shadow: var(--sh-2); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.badge .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 0 color-mix(in srgb, var(--amber) 60%, transparent); animation: halo 2s ease-out infinite; }

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.btn {
  position: relative; display: inline-flex; align-items: center; gap: .6rem; overflow: hidden;
  padding: .8rem 1.35rem; min-width: 0; min-height: 0;
  border: 1px solid var(--line-2); border-radius: var(--r-pill);
  background: var(--card); color: var(--ink);
  box-shadow: var(--sh-1); font-weight: 600; font-size: .92rem;
  will-change: transform;
  transition: box-shadow .3s var(--ease), border-color .25s, background .25s, color .25s;
}
.btn::before {
  content: ""; position: absolute; inset: 0; opacity: 0; z-index: -1;
  background: var(--grad); transition: opacity .3s var(--ease);
}
.btn::after {
  content: ""; position: absolute; top: -60%; left: -70%; width: 45%; height: 220%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .5), transparent);
  transform: skewX(-18deg); transition: left .6s var(--ease); pointer-events: none;
}
.btn:hover { box-shadow: var(--sh-2); border-color: color-mix(in srgb, var(--accent) 50%, transparent); }
.btn:hover::after { left: 125%; }
.btn-primary { background: var(--grad); color: var(--on-accent); border-color: transparent; box-shadow: var(--sh-2); }
.btn-primary:hover { box-shadow: var(--glow); }

.tag {
  font-family: "JetBrains Mono", monospace; font-size: .72rem; font-weight: 500;
  border: 1px solid var(--line-2); border-radius: var(--r-pill);
  padding: .32rem .8rem; background: var(--card); color: var(--ink-2);
  transition: background .2s, color .2s, transform .25s var(--pop), border-color .2s, box-shadow .25s;
}
.tag:hover {
  background: var(--ink); color: var(--paper); border-color: transparent;
  transform: translateY(-3px) rotateX(28deg) scale(1.04); box-shadow: 0 12px 24px -12px rgba(0, 0, 0, .5);
}
.chip {
  display: inline-flex; align-items: center; gap: .45rem;
  font-family: "JetBrains Mono", monospace; font-size: .72rem;
  border: 1px solid var(--line-2); border-radius: var(--r-pill);
  padding: .38rem .9rem; background: var(--card); color: var(--ink-2);
  transition: transform .28s var(--pop), background .25s, color .25s, box-shadow .25s, border-color .25s;
}
.chip:hover { background: var(--ink); color: var(--paper); border-color: transparent; transform: translateY(-4px) rotateX(26deg); box-shadow: 0 14px 26px -14px rgba(0, 0, 0, .55); }
.k { font-family: "JetBrains Mono", monospace; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.ico { display: inline-flex; }

/* ---------- hero ---------- */
.hero {
  position: relative; padding: clamp(3.4rem, 8vw, 6rem) 0 clamp(2.6rem, 6vw, 4rem);
  scroll-margin-top: 116px; overflow: clip; perspective: 1500px;
}
.hero-glow {
  position: absolute; width: 46rem; height: 46rem; border-radius: 50%; pointer-events: none;
  right: -16rem; top: -18rem; z-index: 0; will-change: transform;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 26%, transparent) 0%, transparent 64%);
  filter: blur(28px);
}
.hero-scene { position: absolute; inset: -6% -4%; z-index: 0; pointer-events: none; perspective: 900px; }
.hero-ring {
  position: absolute; border-radius: 50%; border: 1px solid var(--line-2);
  transform-style: preserve-3d; will-change: transform;
}
.hero-ring::before {
  content: ""; position: absolute; inset: 12%; border-radius: 50%;
  border: 1px dashed color-mix(in srgb, var(--accent) 28%, transparent);
}
.hero-ring.r1 { width: 22rem; height: 22rem; top: 6%; right: 6%; animation: ring-y 26s linear infinite; }
.hero-ring.r2 { width: 15rem; height: 15rem; top: 26%; right: 24%; border-color: color-mix(in srgb, var(--accent-2) 40%, transparent); animation: ring-x 18s linear infinite; }
.hero-ring.r3 { width: 30rem; height: 30rem; top: -2%; right: -4%; border-style: dashed; animation: ring-z 40s linear infinite; }
.hero-deco {
  position: absolute; font-family: "JetBrains Mono", monospace; font-weight: 700;
  color: var(--accent); opacity: .3; pointer-events: none; user-select: none; z-index: 0;
  animation: floatY 7s ease-in-out infinite;
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr; gap: clamp(2.4rem, 5vw, 3.4rem); align-items: center;
  transform-style: preserve-3d;
  transform: rotateX(calc((.5 - var(--my)) * 4deg)) rotateY(calc((var(--mx) - .5) * 6deg));
  transition: transform .5s var(--ease-3d);
}
.rv-group { transform-style: preserve-3d; }

h1.display {
  margin: 1.4rem 0 1.2rem;
  font-family: "Bricolage Grotesque", "Space Grotesk", system-ui, sans-serif;
  font-size: clamp(2.9rem, 8.4vw, 6rem);
  font-weight: 800; line-height: .98; letter-spacing: -.045em; text-wrap: balance;
  transform-style: preserve-3d; perspective: 900px;
}
h1.display .outline { color: transparent; -webkit-text-stroke: 1.6px var(--ink); }
.hero-sub { max-width: 34rem; margin-bottom: 1.3rem; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.08rem); }
.ai-tools { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-bottom: 1.8rem; }
.ai-tools .tag { font-size: .68rem; }
.ai-tools .tag-ai-gpt { border-color: color-mix(in srgb, var(--accent-3) 50%, transparent); color: var(--accent-3); }
:root[data-theme="dark"] .ai-tools .tag-ai-gpt { color: var(--accent-2); }
.ai-tools .tag-ai-claude { border-color: color-mix(in srgb, var(--amber) 50%, transparent); color: var(--amber); }
.ai-tools-note { flex-basis: 100%; font-family: "JetBrains Mono", monospace; font-size: .62rem; color: var(--muted); }

.ltr {
  display: inline-block; opacity: 0;
  /* Ogni lettera è un box inline-block: il tracking negativo del titolo finirebbe
     dentro il box (glifi sovrapposti) e il kerning del font verrebbe perso.
     Azzerandolo, la resa combacia con quella del testo non splittato. */
  letter-spacing: 0;
  transform: rotateX(88deg) translateY(.3em) translateZ(-30px);
  transform-origin: bottom center;
  animation: ltr-in .7s var(--ease) both;
  animation-delay: calc(var(--li, 0) * 26ms + 140ms);
  transition: transform .3s var(--ease-3d), color .2s;
}
.word { display: inline-block; white-space: nowrap; }
@keyframes ltr-in { to { opacity: 1; transform: none; } }
h1.display .ltr:hover, .contact-big .ltr:hover {
  transform: translateY(-.09em) translateZ(28px) rotateX(-16deg);
  color: var(--accent); text-shadow: 0 12px 30px -12px color-mix(in srgb, var(--accent) 70%, transparent);
}
h1.display .outline .ltr:hover, .contact-big .dim .ltr:hover { color: transparent; -webkit-text-stroke-color: var(--accent); }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; transform-style: preserve-3d; perspective: 1700px; }
.stat-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: .3rem;
  padding: 1.3rem 1.4rem;
  border: 1px solid var(--line); border-radius: var(--r-m);
  background: var(--card);
  box-shadow: var(--sh-1); will-change: transform;
  transition: box-shadow .3s var(--ease), border-color .3s, background .3s, transform .18s var(--ease-3d);
}
.stat-card::before {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0; pointer-events: none;
  background: radial-gradient(300px circle at var(--gx, 50%) var(--gy, 50%), color-mix(in srgb, var(--accent) 20%, transparent), transparent 62%);
  transition: opacity .35s var(--ease);
}
.stat-card:hover { box-shadow: var(--sh-2); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.stat-card:hover::before { opacity: 1; }
.stat-card > * { position: relative; z-index: 1; }
.stat-card .num {
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  font-size: 2.6rem; font-weight: 800; line-height: 1; letter-spacing: -.04em; font-variant-numeric: tabular-nums;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: var(--accent);
}
.stat-card .lbl { font-family: "JetBrains Mono", monospace; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.stat-card.wide { grid-column: 1 / -1; }
.stat-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .8rem; }
.stat-head .k { font-size: .64rem; }
.stat-head .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 12px var(--accent-2); animation: pulse 2.4s infinite; }
.tag-wrap { display: flex; flex-wrap: wrap; gap: .4rem; }

/* ---------- marquee ---------- */
.marquee {
  position: relative; width: 100%; overflow: hidden;
  margin: 0 auto; padding: .85rem 0;
  border: 1px solid var(--line); border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--card) 82%, transparent);
  box-shadow: var(--sh-1);
  perspective: 800px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
/* La traccia viene replicata da JS (setupMarquee) quante volte serve a coprire
   la larghezza reale: --marquee-step è lo spostamento di un ciclo (= una copia). */
.marquee-track {
  display: flex; width: max-content;
  animation: marquee var(--marquee-dur, 28s) linear infinite;
  will-change: transform;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track > span {
  display: inline-block; white-space: nowrap;
  font-family: "JetBrains Mono", monospace; font-size: .78rem; font-weight: 500;
  letter-spacing: .08em; word-spacing: .28em;
  color: var(--ink-2); opacity: .9;
  transform: rotateX(calc(var(--tilt, 0deg) + 12deg)) translateZ(0);
  transform-origin: center;
}

/* ---------- interlude (dark 3D stage) ---------- */
.interlude {
  position: relative; overflow: clip;
  margin-top: clamp(3.5rem, 8vw, 6rem);
  padding: clamp(4.5rem, 10vw, 8rem) 0;
  color: var(--stage-ink);
  background: linear-gradient(155deg, var(--stage-1), var(--stage-2) 70%, var(--stage-1));
  perspective: 1000px;
  transition: background .4s var(--ease);
}
.interlude::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60% 60% at 18% 12%, color-mix(in srgb, var(--accent-2) 26%, transparent), transparent 70%),
    radial-gradient(50% 50% at 88% 78%, color-mix(in srgb, var(--accent-3) 26%, transparent), transparent 72%);
}
.interlude::after {
  content: ""; position: absolute; left: -10%; right: -10%; bottom: -18%; height: 60%; pointer-events: none;
  background-image: linear-gradient(rgba(255, 236, 214, .16) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 236, 214, .16) 1px, transparent 1px);
  background-size: 70px 70px;
  transform: rotateX(72deg); transform-origin: bottom;
  -webkit-mask-image: linear-gradient(#000, transparent 75%);
  mask-image: linear-gradient(#000, transparent 75%);
  opacity: .5;
}
.interlude .wrap { z-index: 1; }
.interlude .kicker { color: var(--accent-2); }
.interlude .kicker::before { background: var(--accent-2); }
.interlude-lines {
  display: grid; gap: .06em; margin-top: 1.8rem;
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  font-size: clamp(2.3rem, 8vw, 7rem); font-weight: 800; line-height: .96; letter-spacing: -.05em;
  perspective: 1000px; transform-style: preserve-3d;
}
.interlude-lines > span { display: block; overflow: clip; margin-inline: -1rem; padding: 0 1rem .1em; }
.interlude-lines b {
  display: inline-block; font-weight: inherit;
  transform: translate3d(var(--drift, 0), 0, 0) rotateX(calc(var(--tilt, 0deg) * .5));
  transform-style: preserve-3d; will-change: transform;
  background: none; color: var(--stage-ink);
}
.interlude-lines > span:last-child b {
  background: none; color: transparent; -webkit-text-stroke: 1.4px color-mix(in srgb, var(--stage-ink) 62%, transparent);
}
.interlude-lines b:hover { color: var(--accent-2); }
.interlude-lines > span:last-child b:hover { color: transparent; -webkit-text-stroke-color: var(--accent-2); }
.interlude-notes {
  display: grid; grid-template-columns: 1fr; gap: .6rem; margin-top: clamp(2.4rem, 5vw, 3.4rem);
  padding-top: 1.4rem; border-top: 1px solid rgba(255, 236, 214, .16);
  font-family: "JetBrains Mono", monospace; font-size: .68rem; letter-spacing: .12em;
  text-transform: uppercase; text-align: center; color: var(--stage-muted);
}

/* ---------- sections ---------- */
section.block { padding: clamp(3.6rem, 8vw, 6rem) 0; scroll-margin-top: 116px; }
.sec-head {
  position: relative; display: flex; align-items: baseline; gap: 1rem;
  padding-bottom: 1.1rem; margin-bottom: clamp(1.8rem, 4vw, 2.6rem);
}
.sec-head::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2) 35%, transparent 85%);
  transform: scaleX(var(--rule, 1)); transform-origin: left;
  transition: transform 1.1s var(--ease) .15s;
}
.sec-head::before {
  content: ""; position: absolute; left: 12%; top: 50%; width: 26rem; height: 8rem; z-index: -1;
  transform: translateY(-50%); pointer-events: none;
  background: radial-gradient(60% 60% at 30% 50%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%);
}
.sec-num {
  font-family: "JetBrains Mono", monospace; font-weight: 700; font-size: .8rem; letter-spacing: .1em;
  padding: .3rem .6rem; border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent-deep); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
:root[data-theme="dark"] .sec-num { color: var(--accent); }
.sec-head h2 {
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  font-size: clamp(1.8rem, 4.4vw, 3.1rem); font-weight: 800; letter-spacing: -.04em; text-wrap: balance;
}

.card {
  position: relative; border: 1px solid var(--line); border-radius: var(--r-l);
  background: var(--card);
  box-shadow: var(--sh-1);
  transition: box-shadow .35s var(--ease), border-color .3s, background .35s;
}
.card:hover { box-shadow: var(--sh-2); border-color: color-mix(in srgb, var(--accent) 32%, transparent); }

/* 3D tilt contract (--rx/--ry/--gx/--gy written by script.js) */
[data-tilt] {
  position: relative; overflow: hidden; transform-style: preserve-3d; will-change: transform;
  transform: perspective(1000px)
             translate3d(0, var(--o-y, 0px), 0)
             scale(var(--o-s, 1))
             rotateX(var(--rx, 0deg))
             rotateY(var(--ry, 0deg))
             translateZ(calc(var(--z, 0px) + var(--lift, 0px)));
  transition: transform .22s var(--ease-3d), box-shadow .35s var(--ease), border-color .3s, background .35s;
}
[data-tilt]::after {
  content: ""; position: absolute; inset: 0; z-index: 3; border-radius: inherit; pointer-events: none;
  background: radial-gradient(360px circle at var(--gx, 50%) var(--gy, 50%), color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%);
  opacity: 0; transition: opacity .35s var(--ease);
}
[data-tilt]:hover { --lift: 20px; }
[data-tilt]:hover::after { opacity: 1; }

/* ---------- stack ---------- */
.stack-grid { display: grid; grid-template-columns: 1fr; gap: 1.2rem; }
.tab-col { display: flex; flex-direction: column; gap: .7rem; }
.tab-btn {
  position: relative; text-align: left; min-width: 0; min-height: 0;
  padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: var(--r-m);
  background: var(--card); color: var(--muted); font-weight: 600; font-size: .93rem;
  overflow: hidden;
  transition: color .25s, background .3s var(--ease), border-color .25s, box-shadow .3s var(--ease), transform .3s var(--ease-3d);
}
.tab-btn::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 3px; height: 0; border-radius: 3px;
  background: var(--grad); transform: translateY(-50%); transition: height .35s var(--ease);
}
.tab-col .tab-btn:hover { color: var(--ink); border-color: color-mix(in srgb, var(--accent) 35%, transparent); box-shadow: var(--sh-1); transform: translateX(6px); }
.tab-col .tab-btn.is-active {
  color: var(--ink); background: var(--card-2); border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: var(--sh-2);
}
.tab-col .tab-btn.is-active::before { height: 62%; }
.stack-panel-card { padding: clamp(1.3rem, 3vw, 2rem); }
.skill-grid { display: grid; grid-template-columns: 1fr; gap: 1.3rem; }
.skill { display: flex; flex-direction: column; gap: .5rem; }
.skill-name { display: flex; align-items: center; gap: .5rem; font-weight: 600; font-size: .9rem; }
.skill-name .ico { color: var(--accent); display: inline-flex; }
.skill-track {
  height: 10px; border-radius: var(--r-pill); overflow: hidden;
  background: var(--soft); border: 1px solid var(--line);
  box-shadow: inset 0 2px 5px rgba(0, 0, 0, .12);
}
.skill-fill {
  height: 100%; width: 0; border-radius: var(--r-pill); position: relative;
  background: var(--grad);
  box-shadow: 0 0 14px -2px color-mix(in srgb, var(--accent) 80%, transparent);
  transition: width 1.1s var(--ease);
}
.skill-fill::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .55), transparent);
  transform: translateX(-100%); animation: sheen 2.6s ease-in-out infinite;
}
.stack-note {
  display: flex; gap: .7rem; align-items: flex-start; margin-top: 1.5rem; padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  font-size: .87rem; color: var(--muted);
}
.stack-note .ico { color: var(--accent); flex-shrink: 0; margin-top: 3px; }

/* ---------- GitHub live ---------- */
.gh-bar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .8rem;
  padding: .75rem 1rem; margin-bottom: 1.1rem;
  border: 1px solid var(--line); border-radius: var(--r-pill);
  background: var(--card); box-shadow: var(--sh-1);
  position: relative; overflow: hidden;
}
.gh-bar::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--grad);
}
.gh-bar-left, .gh-bar-right { display: flex; align-items: center; gap: .9rem; flex-wrap: wrap; padding-left: .4rem; }
.gh-live {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: "JetBrains Mono", monospace; font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .14em; color: var(--green);
}
.gh-live .pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: halo 2s ease-out infinite; }
.gh-count, .gh-updated { font-size: .72rem; color: var(--muted); }
.gh-updated.is-warn { color: var(--amber); }
.gh-btn {
  display: inline-flex; align-items: center; gap: .45rem; min-width: 0; min-height: 0;
  padding: .42rem .85rem; border: 1px solid var(--line-2); border-radius: var(--r-pill);
  background: var(--card-2); font-size: .76rem; font-weight: 600;
  transition: transform .25s var(--ease), box-shadow .25s, border-color .25s, opacity .2s;
}
.gh-btn:hover { transform: translateY(-2px); box-shadow: var(--glow); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.gh-btn.is-busy { opacity: .55; pointer-events: none; }
.gh-btn.is-busy svg { animation: gh-spin 1s linear infinite; }
@keyframes gh-spin { to { transform: rotate(360deg); } }

.gh-filters { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1.3rem; }
.gh-chip {
  min-width: 0; min-height: 0; padding: .4rem .9rem;
  border: 1px solid var(--line); border-radius: var(--r-pill);
  background: var(--card); color: var(--muted);
  font-family: "JetBrains Mono", monospace; font-size: .7rem; font-weight: 600;
  transition: color .2s, background .3s var(--ease), border-color .25s, transform .28s var(--pop), box-shadow .25s;
}
.gh-filters .gh-chip:hover { color: var(--ink); transform: translateY(-3px) rotateX(24deg); box-shadow: var(--sh-1); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.gh-filters .gh-chip.is-active { background: var(--grad); color: var(--on-accent); border-color: transparent; box-shadow: var(--sh-2); }

.gh-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.gh-card {
  position: relative; display: flex; flex-direction: column; gap: .65rem; overflow: hidden;
  padding: 1.25rem 1.3rem;
  border: 1px solid var(--line); border-radius: var(--r-m);
  background: var(--card); box-shadow: var(--sh-1);
  transition: transform .3s var(--ease-3d), box-shadow .3s var(--ease), border-color .3s;
}
.gh-grid .gh-card:hover {
  transform: perspective(900px) rotateX(-5deg) rotateY(6deg) translateY(-6px);
  box-shadow: var(--sh-2); border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}
.gh-card-link { position: absolute; inset: 0; z-index: 4; border-radius: inherit; }
.gh-head { display: flex; align-items: flex-start; justify-content: space-between; gap: .6rem; }
.gh-name {
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  font-size: 1.02rem; font-weight: 700; letter-spacing: -.025em; word-break: break-word;
}
.gh-live-link {
  position: relative; z-index: 5; display: inline-flex; color: var(--muted);
  padding: .25rem; margin: -.25rem; min-width: 0; min-height: 0;
  transition: color .2s, transform .25s var(--pop);
}
.gh-live-link:hover { color: var(--accent); transform: translate(1px, -1px) scale(1.12); }
.gh-desc { font-size: .86rem; color: var(--muted); line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.gh-nodesc { font-style: italic; opacity: .6; }
.gh-foot { display: flex; align-items: center; flex-wrap: wrap; gap: .8rem; margin-top: auto; padding-top: .3rem; }
.gh-lang { display: inline-flex; align-items: center; gap: .4rem; font-family: "JetBrains Mono", monospace; font-size: .7rem; color: var(--ink-2); }
.gh-lang i { width: 9px; height: 9px; border-radius: 50%; box-shadow: 0 0 0 3px var(--soft), 0 2px 6px -2px rgba(0, 0, 0, .45); }
.gh-stat { display: inline-flex; align-items: center; gap: .3rem; font-family: "JetBrains Mono", monospace; font-size: .7rem; color: var(--muted); }
.gh-when { margin-left: auto; font-family: "JetBrains Mono", monospace; font-size: .68rem; color: var(--muted); opacity: .8; }
.gh-empty { padding: 2.5rem 1rem; text-align: center; color: var(--muted); font-size: .9rem; }
.gh-skel { gap: .5rem; pointer-events: none; }
.gh-skel .sk { border-radius: 6px; background: linear-gradient(90deg, var(--soft) 25%, color-mix(in srgb, var(--card-2) 80%, transparent) 50%, var(--soft) 75%); background-size: 200% 100%; animation: sk-shimmer 1.4s linear infinite; }
.gh-skel .sk-line { height: 11px; }
.gh-skel .sk-foot { height: 14px; width: 55%; margin-top: auto; }
@keyframes sk-shimmer { to { background-position: -200% 0; } }

/* ---------- partner ---------- */
.partner-card { overflow: hidden; }
.partner-head { position: relative; padding: clamp(1.4rem, 3.4vw, 2.2rem); overflow: hidden; }
.partner-head::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(70% 120% at 82% -10%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 68%);
}
.partner-head > * { position: relative; z-index: 1; }
.partner-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.3rem; }
.partner-logo-wrap {
  display: inline-grid; place-items: center; padding: .8rem 1.1rem;
  border-radius: var(--r-s); border: 1px solid var(--line);
  background: linear-gradient(150deg, #17110C, #2C1D13);
  box-shadow: 0 18px 40px -22px rgba(0, 0, 0, .8);
  transition: transform .35s var(--ease-3d), box-shadow .3s;
}
.partner-logo-wrap:hover { transform: rotateX(12deg) rotateY(-10deg) translateZ(10px) scale(1.04); box-shadow: 0 26px 50px -22px rgba(0, 0, 0, .9); }
.partner-logo { height: 28px; width: auto; }
.partner-row .mono { font-size: .68rem; color: var(--muted); }
.partner-pill {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: "JetBrains Mono", monospace; font-size: .7rem;
  border: 1px solid var(--line-2); border-radius: var(--r-pill); padding: .4rem .9rem; background: var(--card);
}
.partner-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); animation: pulse 2s infinite; }
.partner-head > p { color: var(--muted); line-height: 1.7; font-size: .93rem; max-width: 46rem; }
.partner-head > p strong { color: var(--ink); font-weight: 600; }
.feat-grid { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
.feat {
  display: flex; flex-direction: column; align-items: center; gap: .75rem;
  padding: 1.5rem 1rem; text-align: center;
  font-size: .78rem; font-weight: 600; color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  transition: background .3s var(--ease), color .3s, transform .3s var(--ease-3d);
}
.feat .ring {
  display: flex; align-items: center; justify-content: center; color: var(--muted);
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--line-2); background: var(--card);
  box-shadow: var(--sh-1);
  transition: transform .45s var(--ease-3d), background .3s, color .3s, box-shadow .3s, border-color .3s;
}
.feat:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); transform: translateY(-4px); }
.feat:hover .ring {
  background: var(--grad); color: var(--on-accent); border-color: transparent;
  transform: rotateX(180deg) scale(1.1); box-shadow: var(--glow);
}
.partner-foot {
  display: flex; justify-content: center; padding: .9rem;
  background: color-mix(in srgb, var(--soft) 60%, transparent);
  border-top: 1px solid var(--line);
}
.partner-foot a { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; font-size: .88rem; transition: color .2s, gap .25s var(--ease); }
.partner-foot a:hover { color: var(--accent); gap: .85rem; }

/* ---------- mission ---------- */
.mission-card { display: flex; overflow: hidden; }
.mission-bar {
  width: 6px; flex-shrink: 0; position: relative;
  background: linear-gradient(180deg, var(--red), var(--accent-3));
  box-shadow: 0 0 24px -4px var(--red);
}
.mission-bar::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .55), transparent);
  animation: bar-scan 3.4s ease-in-out infinite;
}
.mission-body { flex: 1; padding: clamp(1.4rem, 3.4vw, 2.2rem); }
.mission-title { display: flex; align-items: center; gap: .7rem; margin-bottom: .9rem; }
.mission-title .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 4px color-mix(in srgb, var(--red) 18%, transparent); animation: pulse 2.4s infinite; flex-shrink: 0; }
.mission-title h3 { font-size: 1.2rem; font-weight: 700; }
.mission-body > p { color: var(--muted); font-size: .92rem; line-height: 1.7; margin-bottom: 1.3rem; max-width: 44rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ---------- contact ---------- */
.contact-big {
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  font-size: clamp(2.2rem, 7vw, 4.6rem); font-weight: 800; letter-spacing: -.05em; line-height: 1.02;
  text-align: center; margin-bottom: 1.1rem; text-wrap: balance; perspective: 900px;
}
.contact-big .dim { color: transparent; -webkit-text-stroke: 1.4px var(--ink); }
.contact-lead { max-width: 34rem; margin: 0 auto 2.4rem; text-align: center; color: var(--muted); font-size: clamp(.95rem, 1.5vw, 1.02rem); }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 1.1rem; }
.contact-card {
  position: relative; display: grid; gap: .5rem; justify-items: center; align-content: center;
  text-align: center; min-height: 11.5rem; width: 100%;
  padding: 1.6rem 1.3rem;
  border: 1px solid var(--line); border-radius: var(--r-l);
  background: var(--card);
  box-shadow: var(--sh-1);
  transition: box-shadow .35s var(--ease), border-color .3s, background .35s, color .3s, transform .22s var(--ease-3d);
}
.contact-card:hover {
  background: color-mix(in srgb, var(--accent) 10%, var(--card));
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: var(--sh-3);
}
.contact-card .k { display: flex; align-items: center; gap: .5rem; color: var(--muted); transition: color .25s; }
.contact-card .k .ico { color: var(--accent); display: inline-flex; transition: transform .35s var(--pop); }
.contact-card:hover .k { color: var(--ink); }
.contact-card:hover .k .ico { transform: rotate(-14deg) scale(1.2) translateZ(14px); }
.contact-card .v { font-weight: 700; font-size: 1.02rem; word-break: break-all; }
.contact-badge {
  display: inline-flex; align-items: center; gap: .45rem;
  font-family: "JetBrains Mono", monospace; font-size: .6rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent);
}
.contact-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
.status-dot { display: inline-block; width: .6rem; height: .6rem; border-radius: 50%; background: #9A897A; box-shadow: 0 0 0 3px color-mix(in srgb, #9A897A, transparent 78%); transition: background .3s, box-shadow .3s; }
.status-dot.is-live { background: var(--green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--green), transparent 70%), 0 0 12px var(--green); animation: halo 2.2s ease-out infinite; }

/* ---------- footer ---------- */
footer.site {
  position: relative; z-index: 1;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  margin-top: clamp(2.5rem, 6vw, 4rem); padding: 1.6rem 0 .5rem;
  font-family: "JetBrains Mono", monospace; font-size: .66rem; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted);
}
footer.site::before {
  content: ""; position: absolute; left: var(--gut); right: var(--gut); top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-2) 25%, var(--line-2) 75%, transparent);
}
.foot-links { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.foot-links button, .foot-links a {
  min-width: 0; min-height: 0; padding: .35rem .75rem; border-radius: var(--r-pill);
  border: 1px solid transparent; transition: color .2s, transform .25s var(--ease), border-color .25s, background .25s;
}
.foot-links a:hover, .foot-links button:hover { color: var(--accent); border-color: var(--line-2); background: var(--card); transform: translateY(-2px); }

/* ---------- player ---------- */
.player {
  position: fixed; left: 50%; bottom: 1rem; z-index: 90;
  transform: translateX(-50%);
  width: min(58rem, calc(100vw - 1.6rem));
  padding: .65rem .85rem .5rem;
  border: 1px solid var(--line-2); border-radius: var(--r-l);
  background: var(--dock);
  backdrop-filter: blur(22px) saturate(160%); -webkit-backdrop-filter: blur(22px) saturate(160%);
  box-shadow: var(--sh-3);
  animation: dock-in .8s var(--ease) .25s both;
  transition: box-shadow .3s var(--ease), border-color .3s, background-color .4s var(--ease);
}
.player:hover { border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
@keyframes dock-in { from { opacity: 0; transform: translateX(-50%) translateY(3rem) rotateX(24deg); } }
.pl-row { display: flex; align-items: center; gap: .8rem; }
.pl-left { display: flex; align-items: center; gap: .7rem; min-width: 0; flex: 1 1 8rem; }
.pl-art {
  display: grid; place-items: center; flex-shrink: 0; width: 38px; height: 38px;
  border-radius: var(--r-s); border: 1px solid var(--line-2);
  background: var(--grad-soft), var(--card);
}
.pl-eq { display: flex; align-items: flex-end; gap: 2.5px; height: 16px; perspective: 120px; }
.pl-eq i { width: 3px; height: 5px; border-radius: 2px; background: var(--grad); transform-style: preserve-3d; }
.player[data-state="playing"] .pl-eq i { animation: pl-bounce .9s var(--ease) infinite; }
.player[data-state="playing"] .pl-eq i:nth-child(2) { animation-delay: .15s; }
.player[data-state="playing"] .pl-eq i:nth-child(3) { animation-delay: .3s; }
.player[data-state="playing"] .pl-eq i:nth-child(4) { animation-delay: .45s; }
@keyframes pl-bounce { 0%, 100% { height: 5px; transform: scaleX(1); } 50% { height: 16px; transform: scaleX(.55); } }
.pl-meta { display: flex; flex-direction: column; gap: .1rem; min-width: 0; }
.pl-title { font-size: .78rem; font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-time { font-size: .66rem; color: var(--muted); }
.pl-ctrls { display: flex; align-items: center; gap: .25rem; flex-shrink: 0; }
.pl-btn {
  display: inline-flex; align-items: center; justify-content: center; color: var(--ink-2);
  width: 34px; height: 34px; min-width: 0; min-height: 0; border-radius: 50%;
  transition: background .2s, color .2s, transform .25s var(--pop), box-shadow .25s;
}
.pl-btn:hover { background: var(--soft); color: var(--accent); transform: translateY(-2px) scale(1.08); }
.pl-btn.pl-sm { width: 28px; height: 28px; }
.pl-play {
  background: var(--grad); color: var(--on-accent);
  box-shadow: 0 8px 22px -10px color-mix(in srgb, var(--accent) 90%, transparent);
}
.pl-play:hover { color: var(--on-accent); box-shadow: var(--glow); }
.pl-vol { display: flex; align-items: center; gap: .15rem; flex-shrink: 0; }
.pl-range, .pl-seek {
  -webkit-appearance: none; appearance: none; background: transparent; cursor: pointer;
  height: 18px; margin: 0;
}
.pl-range { width: 76px; }
.pl-range::-webkit-slider-runnable-track, .pl-seek::-webkit-slider-runnable-track {
  height: 5px; border-radius: var(--r-pill); background: var(--soft); border: 1px solid var(--line-2);
}
.pl-range::-moz-range-track, .pl-seek::-moz-range-track {
  height: 5px; border-radius: var(--r-pill); background: var(--soft); border: 1px solid var(--line-2);
}
.pl-range::-webkit-slider-thumb, .pl-seek::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 13px; height: 13px; margin-top: -5.5px;
  border-radius: 50%; background: var(--ink); border: 2px solid var(--paper);
  box-shadow: 0 2px 8px -2px rgba(0, 0, 0, .5); transition: transform .2s var(--pop);
}
.pl-range::-moz-range-thumb, .pl-seek::-moz-range-thumb {
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--ink); border: 2px solid var(--paper); box-shadow: 0 2px 8px -2px rgba(0, 0, 0, .5);
}
.pl-range:active::-webkit-slider-thumb, .pl-seek:active::-webkit-slider-thumb { transform: scale(1.25); }
.pl-seek { display: block; width: 100%; margin-top: .3rem; }
.pl-seek::-webkit-slider-runnable-track { background: var(--soft); }
.pl-hint {
  position: absolute; top: -2.2rem; left: 50%; transform: translateX(-50%);
  display: none; align-items: center; gap: .5rem; white-space: nowrap;
  padding: .45rem .95rem; border-radius: var(--r-pill);
  background: var(--grad); color: var(--on-accent);
  font-family: "JetBrains Mono", monospace; font-size: .68rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; box-shadow: var(--glow);
  animation: pl-hint-bob 1.6s ease-in-out infinite;
}
html.pl-blocked .pl-hint { display: inline-flex; }
.pl-hint-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--on-accent); animation: pulse 1.2s infinite; }
@keyframes pl-hint-bob { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-5px); } }

/* ---------- modals ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 95;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
  background: color-mix(in srgb, var(--paper) 14%, rgba(14, 9, 6, .78));
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  animation: overlay-in .25s var(--ease);
}
@keyframes overlay-in { from { opacity: 0; } }
.term {
  display: flex; flex-direction: column; overflow: hidden; width: 100%; max-width: 44rem; height: 470px;
  border-radius: var(--r-l); font-family: "JetBrains Mono", monospace; font-size: .75rem;
  background: rgba(22, 16, 11, .93); border: 1px solid rgba(255, 236, 214, .14);
  box-shadow: 0 60px 120px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 236, 214, .05) inset;
  transform-style: preserve-3d;
  animation: modal-in .38s var(--ease-3d);
}
@keyframes modal-in { from { opacity: 0; transform: translateY(1.6rem) scale(.94) rotateX(10deg); } }
.term-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: .6rem 1rem; background: rgba(255, 236, 214, .05);
  border-bottom: 1px solid rgba(255, 236, 214, .1);
}
.term-dots { display: flex; align-items: center; gap: 8px; color: #B0A08E; font-size: .7rem; }
.term-dots i { width: 11px; height: 11px; border-radius: 50%; box-shadow: inset 0 -2px 3px rgba(0, 0, 0, .35), 0 1px 2px rgba(255, 236, 214, .12); }
.term-dots .r { background: #D9705F; } .term-dots .y { background: #E2A85C; } .term-dots .g { background: #86B56F; }
.term-close {
  color: #B0A08E; min-width: 2rem; min-height: 2rem; border-radius: 50%; font-size: .85rem;
  transition: color .2s, background .2s, transform .25s var(--pop);
}
.term-close:hover { color: #FFF3E8; background: rgba(255, 236, 214, .1); transform: rotate(90deg); }
.term-body { flex: 1; overflow-y: auto; padding: 1rem; color: #EFE3D6; line-height: 1.6; }
.term-form {
  display: flex; align-items: center; gap: .6rem; padding: .7rem 1rem;
  background: rgba(0, 0, 0, .3); border-top: 1px solid rgba(255, 236, 214, .1);
}
.term-form .p { color: #E9A66E; font-weight: 700; }
.term-form input { flex: 1; min-width: 0; background: transparent; border: none; outline: none; color: #EFE3D6; font-family: inherit; font-size: inherit; }
.term-form input::placeholder { color: #8C7A68; }
.term-form button { min-width: 0; min-height: 0; padding: .35rem .85rem; border-radius: var(--r-pill); background: #E9A66E; color: #1B1109; font-weight: 700; font-size: .64rem; text-transform: uppercase; transition: transform .2s var(--pop), box-shadow .2s; }
.term-form button:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -10px rgba(233, 166, 110, .7); }
.t-prompt { color: #E9A66E; } .t-cmd { color: #FFF3E8; font-weight: 700; }
.t-out { color: #B0A08E; padding-left: 1rem; }
.t-warn { color: #E5B268; } .t-cyan { color: #E9A66E; }
.t-red { color: #E08A78; } .t-bright { color: #EFE3D6; }
.t-err { color: #E59A88; }
.t-row { margin-bottom: .8rem; }
.term-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }
.term-help b { color: #FFF3E8; }

.presence {
  width: 100%; max-width: 26rem; overflow: hidden; border-radius: var(--r-l);
  background: var(--dock); border: 1px solid var(--line);
  backdrop-filter: blur(24px); box-shadow: var(--sh-3);
  font-family: "JetBrains Mono", monospace;
  animation: modal-in .38s var(--ease-3d);
}
.presence-cover {
  position: relative; height: 92px; overflow: hidden;
  background: linear-gradient(115deg, var(--accent), var(--accent-2) 50%, var(--accent-3));
}
.presence-cover::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(80% 120% at 20% 0%, rgba(255, 255, 255, .3), transparent 60%);
}
.presence-close {
  position: absolute; top: .7rem; right: .7rem; z-index: 2;
  width: 30px; height: 30px; min-width: 30px; min-height: 30px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, .35); color: #fff; font-size: .78rem;
  transition: transform .3s var(--pop), background .2s;
}
.presence-close:hover { background: rgba(0, 0, 0, .55); transform: rotate(90deg) scale(1.08); }
.presence-inner { padding: 0 1.5rem 1.5rem; }
.presence-idrow { display: flex; align-items: flex-end; justify-content: space-between; margin-top: -44px; margin-bottom: 1rem; }
.presence-id { margin-left: .75rem; font-size: .68rem; line-height: 1.5; color: var(--muted); text-align: right; overflow-wrap: anywhere; }
.presence-avwrap { position: relative; }
#presence-avatar {
  width: 88px; height: 88px; border-radius: 50%; object-fit: cover;
  border: 4px solid var(--dock); background: var(--soft);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .6);
}
#presence-dot { position: absolute; bottom: 4px; right: 4px; width: 20px; height: 20px; border-radius: 50%; border: 3px solid var(--dock); background: #9A897A; }
#presence-name { font-family: "Bricolage Grotesque", system-ui, sans-serif; font-size: 1.15rem; font-weight: 700; margin-bottom: .2rem; }
#presence-username { font-size: .72rem; color: var(--muted); margin-bottom: 1.1rem; }
.pr-list { display: flex; flex-direction: column; gap: .7rem; font-size: .72rem; }
.pr-loading { padding: 1.5rem 0; text-align: center; color: var(--muted); font-size: .72rem; }
.pr-tile { display: flex; flex-direction: column; gap: .35rem; padding: .85rem; border: 1px solid var(--line); border-radius: var(--r-s); background: var(--card); }
.pr-label { font-size: .6rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.pr-status { display: flex; align-items: center; gap: .5rem; font-weight: 700; text-transform: uppercase; }
.pr-song { border-color: color-mix(in srgb, var(--green) 45%, transparent); }
.pr-song img { width: 48px; height: 48px; border-radius: 8px; object-fit: cover; }
.pr-song .s { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pr-song .a { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pr-devices { display: flex; align-items: center; gap: .5rem; font-size: .62rem; color: var(--muted); border-top: 1px dashed var(--line-2); padding-top: .6rem; }
.pr-devices .dev { background: var(--soft); border-radius: 5px; padding: .1rem .4rem; color: var(--ink); }

/* ============================================================
   reveal system — animates through custom props so that
   [data-tilt] can compose its 3D transform with the entrance
   ============================================================ */
[data-reveal],
[data-stagger] > * {
  opacity: 0;
  --o-y: 28px; --o-s: 1; --o-rx: 0deg; --o-clip: inset(0);
  transform: translate3d(0, var(--o-y), 0) rotateX(var(--o-rx)) scale(var(--o-s));
  clip-path: var(--o-clip);
  transition: opacity .7s var(--ease) var(--reveal-delay, 0ms),
              transform .85s var(--ease-3d) var(--reveal-delay, 0ms),
              clip-path .9s var(--ease) var(--reveal-delay, 0ms);
}
[data-reveal].is-visible,
[data-stagger] > *.is-visible { opacity: 1; --o-y: 0px; --o-s: 1; --o-rx: 0deg; --o-clip: inset(0); }

[data-reveal='heading'] { --o-y: 2.4rem; --o-rx: 12deg; --o-clip: inset(0 0 34% 0); transform-origin: bottom; }
[data-reveal='heading'].is-visible { --o-clip: inset(0); }
[data-reveal='project'] { --o-y: 3.4rem; --o-s: .96; }
[data-reveal='statement'] {
  opacity: 1; --o-y: 116%; --o-rx: 14deg; transform-origin: top; transition-duration: 1s;
}
[data-reveal='statement'].is-visible { --o-y: 0%; --o-rx: 0deg; }

/* scroll-linked depth layers (--dp written by script.js) */
[data-depth] {
  transform: perspective(1300px) translate3d(calc(var(--dp) * -16px), 0, calc(var(--dp) * -38px));
  transition: transform .3s linear;
  will-change: transform;
}

/* ============================================================
   keyframes
   ============================================================ */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(var(--marquee-step, -50%)); } }
@keyframes pulse { 50% { opacity: .35; } }
@keyframes halo {
  0% { box-shadow: 0 0 0 0 currentColor; opacity: 1; }
  70% { box-shadow: 0 0 0 7px transparent; opacity: .85; }
  100% { box-shadow: 0 0 0 0 transparent; opacity: 1; }
}
@keyframes floatY { 0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); } 50% { transform: translate3d(0, -14px, 0) rotate(9deg); } }
@keyframes growW { from { transform: scaleX(0); } }
@keyframes sheen { 0% { transform: translateX(-100%); } 60%, 100% { transform: translateX(220%); } }
@keyframes bar-scan { 0% { transform: translateY(-100%); } 100% { transform: translateY(100%); } }
@keyframes ring-y { from { transform: rotateX(66deg) rotateZ(0deg); } to { transform: rotateX(66deg) rotateZ(360deg); } }
@keyframes ring-x { from { transform: rotateY(70deg) rotateZ(0deg); } to { transform: rotateY(70deg) rotateZ(-360deg); } }
@keyframes ring-z { from { transform: rotateX(24deg) rotateY(14deg) rotateZ(0deg); } to { transform: rotateX(24deg) rotateY(14deg) rotateZ(360deg); } }
@keyframes orb-a {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-5%, 6%, 0) scale(1.15); }
}
@keyframes orb-b {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1.1); }
  50% { transform: translate3d(7%, -5%, 0) scale(.92); }
}
@keyframes orb-c {
  0%, 100% { transform: translate3d(-50%, -50%, 0) scale(1); }
  50% { transform: translate3d(-42%, -58%, 0) scale(1.2); }
}

/* ============================================================
   responsive
   ============================================================ */
@media (min-width: 560px) {
  .interlude-notes { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 640px) {
  .skill-grid { grid-template-columns: 1fr 1fr; }
  .gh-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .feat-grid { grid-template-columns: repeat(3, 1fr); }
  .feat { border-bottom: none; border-right: 1px solid var(--line); justify-content: center; }
  .feat:last-child { border-right: none; }
}
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.04fr .96fr; gap: clamp(2rem, 4vw, 3.2rem); }
  .stat-card:nth-child(1) { --z: 0px; }
  .stat-card:nth-child(2) { --z: 24px; }
  .stat-card:nth-child(3) { --z: 12px; }
  .stat-card:nth-child(4) { --z: 32px; }
  .stat-card:nth-child(5) { --z: 6px; }
  .stack-grid { grid-template-columns: 3.1fr 8.9fr; align-items: start; }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .gh-grid { grid-template-columns: repeat(3, 1fr); }
  .top-nav a { padding: .5rem 1rem; }
}
@media (min-width: 1100px) {
  .gh-grid { grid-template-columns: repeat(6, 1fr); }
  .gh-card { grid-column: span 2; }
  .gh-card:first-child { grid-column: span 4; padding: 1.6rem 1.7rem; }
  .gh-card:first-child .gh-name { font-size: 1.35rem; }
  .gh-card:first-child .gh-desc { -webkit-line-clamp: 4; font-size: .92rem; }
  .mission-body { display: grid; grid-template-columns: 1fr 1.2fr; gap: 1rem 2.4rem; align-items: start; }
  .mission-title { grid-column: 1; }
  .mission-body > p { grid-column: 2; grid-row: 1 / span 2; margin-bottom: 0; }
  .chip-row { grid-column: 1; }
}
@media (min-width: 1024px) { :root { --maxw: 1240px; } }
@media (min-width: 1600px) {
  :root { --maxw: 1340px; }
  .hero { padding: 7rem 0 5.5rem; }
  section.block { padding: 6.5rem 0; }
}

@media (max-width: 899px) {
  .top-nav {
    display: none; position: absolute; left: var(--gut); right: var(--gut); top: calc(100% + .5rem);
    flex-direction: column; gap: .15rem; padding: .5rem;
    /* il backdrop-filter del pannello sarebbe annullato dal backdrop-filter della barra
       che lo contiene: qui serve uno sfondo pieno, non vetro. */
    background: color-mix(in srgb, var(--paper) 95%, var(--accent));
    border: 1px solid var(--line-2); border-radius: var(--r-l); box-shadow: var(--sh-3);
  }
  .top-nav.is-open { display: flex; animation: menu-in .25s var(--ease); }
  .top-nav a { padding: .7rem .9rem; border-radius: var(--r-s); }
  .top-nav a::after { display: none; }
  .top-nav a.is-active { background: var(--soft); }
  .top-nav a:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
  .menu-btn { display: inline-flex; }
  .hero-ring.r1, .hero-ring.r2, .hero-ring.r3 { opacity: .55; }
}
@keyframes menu-in { from { opacity: 0; transform: translateY(-.6rem) rotateX(-12deg); transform-origin: top; } }

@media (max-width: 640px) {
  .bg-orb-c { display: none; }
  .bg-orb { filter: blur(52px); }
  .player { padding: .55rem .65rem .4rem; border-radius: var(--r-m); }
  .pl-row { flex-wrap: wrap; gap: .4rem .6rem; }
  .pl-left { flex: 1 1 100%; order: 1; }
  .pl-ctrls { order: 2; }
  .pl-vol { order: 3; margin-left: auto; }
  .pl-range { width: 52px; }
  .pl-title { font-size: .72rem; }
  .term-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { padding-bottom: 10.5rem; }
  .wrap, .top { padding-left: 1.1rem; padding-right: 1.1rem; }
  .top { top: .6rem; }
  .hero { padding: 2.4rem 0 2rem; }
  section.block { padding: 2.8rem 0; }
  .stat-card { padding: 1.05rem 1.1rem; }
  .stat-card .num { font-size: 2.1rem; }
  .btn { padding: .68rem 1rem; font-size: .85rem; }
  .sec-head { margin-bottom: 1.5rem; }
  .gh-bar { padding: .65rem .8rem; }
  .marquee { border-radius: var(--r-m); }
  .term { height: min(470px, 84vh); }
  .pl-hint { top: -2.3rem; font-size: .64rem; }
  footer.site { padding-bottom: .2rem; }
  .mission-body { display: block; }
  .mission-body > p { margin-bottom: 1.2rem; }
}
@media (max-width: 380px) {
  .stat-grid { grid-template-columns: 1fr; }
  .brand { font-size: .74rem; }
  .lang-btn { padding: .28rem .45rem; }
  .contact-grid { gap: .9rem; }
  .contact-card { min-height: 9.5rem; }
}
@media (max-height: 500px) and (orientation: landscape) {
  .hero { padding: 1.6rem 0; }
  .term { height: 92vh; }
}

@media (hover: none) { .cursor-dot { display: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal], [data-stagger] > *, .ltr { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .interlude-lines b { transform: none !important; }
  .cursor-dot { display: none; }
  .bg-orb, .hero-ring, .mission-bar::after, .skill-fill::after { animation: none !important; }
}
@media print {
  .top, #scroll-progress, .overlay, .cursor-dot, .player, .bg { display: none !important; }
  [data-reveal], [data-stagger] > * { opacity: 1; transform: none; clip-path: none; }
}