:root {
  --bg: #08090b;
  --ink: #f2efe8;
  --muted: #9a9ca3;
  --dim: #5d6068;
  --line: rgba(242, 239, 232, .12);
  --hero: #f2efe8;
  --analytics: #6ff0be;
  --projects: #8ea6ff;
  --running: #ff7a45;
  --house: #ffcf5c;
  --teaching: #c49bff;
  --community: #4fd2ff;
  --contact: #ff5fa2;
  --accent: var(--hero);
  --display: "Unbounded", "Arial Black", sans-serif;
  --text: "Manrope", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 var(--text); overflow-x: hidden;
}
a { color: inherit; }
::selection { background: var(--accent); color: var(--bg); }

#field { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 0; }
.grain {
  position: fixed; inset: -50%; z-index: 1; pointer-events: none; opacity: .05;
  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='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1.2s steps(4) infinite;
}
@keyframes grain { 0%{transform:translate(0,0)} 25%{transform:translate(-3%,2%)} 50%{transform:translate(2%,-3%)} 75%{transform:translate(-2%,-1%)} }
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 30; }
.progress i { display: block; height: 100%; width: 0; background: var(--accent); box-shadow: 0 0 12px var(--accent); transition: background .6s; }

/* header */
.top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; gap: 20px; padding: 18px clamp(16px, 4vw, 48px);
  background: linear-gradient(var(--bg) 20%, transparent);
}
.logo { font: 800 20px var(--display); text-decoration: none; letter-spacing: -.02em; }
.logo span { color: var(--accent); transition: color .6s; }
.filters { display: flex; gap: 6px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.filters a {
  --c: var(--ink);
  font: 500 12px var(--mono); text-decoration: none; text-transform: uppercase; letter-spacing: .06em;
  padding: 7px 12px 7px 24px; border: 1px solid var(--line); border-radius: 99px; position: relative;
  color: var(--muted); transition: color .3s, border-color .3s, background .3s;
}
.filters a::before {
  content: ""; position: absolute; left: 10px; top: 50%; width: 7px; height: 7px; margin-top: -3.5px;
  border-radius: 50%; background: var(--c); opacity: .5; transition: opacity .3s, box-shadow .3s;
}
.filters a:hover, .filters a.on { color: var(--ink); border-color: var(--c); }
.filters a.on { background: color-mix(in srgb, var(--c) 12%, transparent); }
.filters a.on::before { opacity: 1; box-shadow: 0 0 10px var(--c); }
.filters a[data-s=analytics]{--c:var(--analytics)} .filters a[data-s=projects]{--c:var(--projects)}
.filters a[data-s=running]{--c:var(--running)} .filters a[data-s=house]{--c:var(--house)}
.filters a[data-s=teaching]{--c:var(--teaching)} .filters a[data-s=community]{--c:var(--community)}
.filters a[data-s=contact]{--c:var(--contact)}
.lang {
  font: 600 12px var(--mono); color: var(--dim); background: none; border: 1px solid var(--line);
  border-radius: 99px; padding: 7px 12px; cursor: pointer;
}
.lang .on { color: var(--ink); }

/* sections */
main { position: relative; z-index: 5; }
.sec {
  min-height: 100vh; display: flex; align-items: center;
  padding: 120px clamp(16px, 6vw, 96px) 140px;
}
.col { width: min(560px, 46vw); }
.col.wide { width: min(640px, 44vw); }
.kicker, .idx { font: 500 13px var(--mono); color: var(--muted); letter-spacing: .08em; text-transform: uppercase; margin: 0 0 22px; }
.idx b { color: var(--accent); font-weight: 600; transition: color .6s; }
h1 {
  font: 800 clamp(44px, 6.2vw, 104px)/.92 var(--display); letter-spacing: -.045em; margin: 0 0 32px;
}
h1 .outline { color: transparent; -webkit-text-stroke: 1.5px var(--ink); }
h2 { font: 600 clamp(30px, 4vw, 54px)/1.04 var(--display); letter-spacing: -.035em; margin: 0 0 26px; text-wrap: balance; }
h2.big { font-size: clamp(36px, 5.4vw, 76px); }
.lead { font-size: clamp(18px, 1.6vw, 21px); color: #cfcdc6; max-width: 34em; margin: 0 0 34px; }
.body { color: #c4c3bd; margin: 0 0 30px; max-width: 34em; }

.dims { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 52px; }
.dims span {
  font: 500 13px var(--mono); padding: 5px 11px; border-radius: 6px;
  color: var(--c); background: color-mix(in srgb, var(--c) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--c) 30%, transparent);
}
.scroll-hint { display: flex; align-items: center; gap: 14px; font: 13px var(--mono); color: var(--dim); }
.scroll-hint i { width: 1px; height: 46px; background: linear-gradient(var(--ink), transparent); animation: drip 2s ease-in-out infinite; transform-origin: top; }
@keyframes drip { 0%{transform:scaleY(0)} 50%{transform:scaleY(1)} 100%{transform:scaleY(1);opacity:0} }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin: 0 0 30px; }
.stats > div { background: var(--bg); padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; }
.stats:has(> div:only-child) { grid-template-columns: 1fr; }
.stats b { font: 600 clamp(26px, 3vw, 40px)/1 var(--display); letter-spacing: -.03em; color: var(--accent); transition: color .6s; font-variant-numeric: tabular-nums; }
.stats span { font-size: 14px; color: var(--muted); line-height: 1.4; }

blockquote { margin: 0 0 30px; padding: 4px 0 4px 20px; border-left: 2px solid var(--accent); font: 500 19px/1.45 var(--text); }
blockquote cite { display: block; font: 12px var(--mono); color: var(--dim); margin-top: 6px; font-style: normal; }
.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font: 12px var(--mono); color: var(--muted); border: 1px solid var(--line); padding: 5px 10px; border-radius: 4px; }
.list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.list li { padding-left: 30px; position: relative; color: #dad8d1; }
.list li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.card {
  display: flex; flex-direction: column; gap: 10px; padding: 22px; text-decoration: none;
  background: rgba(14, 15, 19, .82); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 14px; position: relative; overflow: hidden;
  transition: border-color .3s, transform .4s cubic-bezier(.2,.8,.2,1);
}
.card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .4s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%);
}
.card:hover::after { opacity: 1; }
a.card:hover { border-color: color-mix(in srgb, var(--accent) 60%, transparent); transform: translateY(-3px); }
.card .no { font: 11px var(--mono); color: var(--dim); }
.card h3 { font: 600 20px/1.15 var(--display); letter-spacing: -.02em; margin: 0; }
.card p { margin: 0; font-size: 14.5px; line-height: 1.5; color: #bdbcb6; flex: 1; }
.card .stack { font: 11px var(--mono); color: var(--muted); }
.card .go { font: 600 12px var(--mono); color: var(--accent); transition: color .6s; }
.cards .card:first-child { grid-column: span 2; }

.race { display: flex; gap: 16px; align-items: center; padding: 16px 18px; border: 1px dashed color-mix(in srgb, var(--accent) 50%, transparent); border-radius: 12px; margin-bottom: 22px; }
.race b { display: block; font-weight: 700; }
.race span:not(.badge) { font-size: 14px; color: var(--muted); }
.badge { font: 600 11px var(--mono); text-transform: uppercase; background: var(--accent); color: var(--bg); padding: 4px 8px; border-radius: 4px; }
.next { font: 13px var(--mono); color: var(--muted); }
.next b { color: var(--ink); font-weight: 600; }

.links { display: flex; flex-wrap: wrap; gap: 12px; }
.links a {
  font: 600 15px var(--mono); text-decoration: none; padding: 14px 22px; border-radius: 99px;
  border: 1px solid var(--accent); transition: background .25s, color .25s;
}
.links a:hover, .links a:first-child { background: var(--accent); color: var(--bg); }
.links a:first-child:hover { background: transparent; color: var(--ink); }

.foot {
  position: relative; z-index: 5; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 28px clamp(16px, 6vw, 96px) 110px; border-top: 1px solid var(--line);
  font: 12px var(--mono); color: var(--dim); background: var(--bg);
}

/* HUD */
.hud {
  position: fixed; left: clamp(16px, 4vw, 48px); bottom: 22px; z-index: 15; pointer-events: none;
  font: 12.5px/1.6 var(--mono); max-width: calc(100vw - 32px);
  background: rgba(8, 9, 11, .86); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px;
}
.hud .q { color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud .p { color: var(--accent); transition: color .6s; }
.hud .r { color: var(--dim); min-height: 1.6em; opacity: 0; transition: opacity .4s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hud .r.in { opacity: 1; }
.caret { display: inline-block; width: 7px; height: 13px; background: var(--accent); vertical-align: -2px; margin-left: 2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 900px) {
  body { font-size: 16px; }
  .top { flex-wrap: wrap; gap: 10px 14px; padding-bottom: 26px; }
  .filters { order: 3; width: 100%; flex-wrap: nowrap; overflow-x: auto; justify-content: flex-start; scrollbar-width: none; margin: 0 -16px; padding: 0 16px; width: calc(100% + 32px); }
  .filters::-webkit-scrollbar { display: none; }
  .filters a { flex: none; }
  .lang { margin-left: auto; }
  .sec { padding: calc(46vh + 20px) 16px 110px; align-items: flex-start; min-height: 0; }
  .hero { min-height: 100vh; }
  h1 { font-size: clamp(40px, 13vw, 64px); }
  .col, .col.wide { width: 100%; }
  .cards { grid-template-columns: 1fr; }
  .cards .card:first-child { grid-column: auto; }
  .stats.four { grid-template-columns: 1fr 1fr; }
  .hud { font-size: 11px; left: 10px; right: 10px; bottom: 10px; max-width: none; }
}
@media (max-width: 360px) {
  .stats > div { min-width: 0; padding: 16px 12px; }
  .stats b { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .grain, .scroll-hint i, .caret { animation: none; }
}