:root{
  --bg:#0b0d12;--panel:#12151d;--panel2:#171b25;--line:#232838;--text:#e7eaf0;--muted:#9aa3b5;--dim:#6b7386;
  --accent:#7cf5d4;--accent2:#7aa7ff;--radius:16px;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit}
img{display:block;max-width:100%;height:auto}
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(900px 500px at 85% -10%,rgba(122,167,255,.14),transparent 60%),
             radial-gradient(700px 500px at -10% 10%,rgba(124,245,212,.10),transparent 60%)}
.nav{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:14px clamp(20px,5vw,56px);background:rgba(11,13,18,.72);backdrop-filter:blur(12px);border-bottom:1px solid rgba(35,40,56,.6)}
.brand{font-weight:700;text-decoration:none;letter-spacing:.2px}
.nav nav{display:flex;gap:22px;flex-wrap:wrap}
.nav nav a{color:var(--muted);text-decoration:none;font-size:14px}
.nav nav a:hover{color:var(--text)}
main{max-width:1120px;margin:0 auto;padding:0 clamp(20px,5vw,40px)}
section{padding:72px 0 8px}
.hero{padding:96px 0 40px;max-width:780px}
.hero-identity{display:flex;align-items:center;gap:24px}
.hero-name{min-width:0}
.hero-avatar{display:block;flex:0 0 auto;width:104px;height:104px;object-fit:cover;object-position:center 42%;border:2px solid rgba(124,245,212,.7);border-radius:50%;box-shadow:0 0 0 7px rgba(124,245,212,.08),0 14px 36px rgba(0,0,0,.38)}
.eyebrow{margin:0 0 10px;color:var(--accent);font:500 13px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase}
h1{margin:0;font-size:clamp(42px,7vw,72px);line-height:1.02;letter-spacing:-.03em}
.role{margin:12px 0 0;font-size:clamp(20px,2.6vw,26px);color:#c9cfdb;font-weight:500}
.lead{margin:20px 0 0;color:var(--muted);font-size:18px;max-width:640px}
.links{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.li{margin:14px 0 0;color:var(--dim);font-size:14px}
.li a{color:var(--accent2);text-decoration:none}
.li a:hover{text-decoration:underline}
.btn{display:inline-flex;white-space:nowrap;align-items:center;padding:10px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--panel);text-decoration:none;font-size:14px;font-weight:500;transition:border-color .2s,background .2s,transform .2s}
.btn:hover{border-color:#3a4258;background:var(--panel2);transform:translateY(-1px)}
.btn.primary{background:var(--accent);color:#06221b;border-color:transparent}
.btn.primary:hover{background:#a2f8e2}
.stack{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:28px 0 0}
.stack li{font:12px/1 var(--mono);color:var(--muted);border:1px solid var(--line);padding:7px 10px;border-radius:8px}
h2{display:flex;align-items:baseline;gap:14px;margin:0 0 8px;font-size:clamp(26px,3.4vw,34px);letter-spacing:-.02em}
h2 span{font:500 13px var(--mono);color:var(--accent)}
.section-lead{margin:0 0 28px;color:var(--muted)}
.card{background:linear-gradient(180deg,var(--panel),#10131a);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:border-color .25s,transform .25s}
.card:hover{border-color:#36405a;transform:translateY(-2px)}
.media{display:block;aspect-ratio:16/10;overflow:hidden;background:#0e1118;border-bottom:1px solid var(--line);position:relative}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .media img{transform:scale(1.03)}
.gradient{display:flex;align-items:flex-end;padding:18px}
.gradient.crowd{background:
  radial-gradient(circle at 30% 40%,rgba(124,245,212,.35),transparent 35%),
  radial-gradient(circle at 70% 60%,rgba(122,167,255,.35),transparent 40%),
  repeating-radial-gradient(circle at 50% 50%,rgba(255,255,255,.05) 0 2px,transparent 2px 14px),#0d1220}
.gradient.ocean{background:
  linear-gradient(180deg,#0f1a33 0%,#16305a 45%,#0a3a4d 55%,#06222e 100%)}
.gradient.ocean::after{content:"";position:absolute;inset:52% 0 0;opacity:.5;
  background:repeating-linear-gradient(170deg,rgba(124,245,212,.12) 0 2px,transparent 2px 12px)}
.media-label{position:relative;z-index:1;font:500 13px var(--mono);color:#cfe;background:rgba(0,0,0,.35);padding:6px 10px;border-radius:8px}
.body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.body h3{margin:0 0 8px;font-size:20px;letter-spacing:-.01em}
.body h3 small{font:400 12px var(--mono);color:var(--dim);margin-left:6px}
.body p{margin:0 0 14px;color:var(--muted);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;padding:0;margin:0 0 16px}
.tags li{font:11px/1 var(--mono);color:#b9c4d8;background:#1a1f2b;border:1px solid #252b3a;padding:6px 8px;border-radius:6px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}
#tutorial .actions{gap:8px}
#tutorial .btn{padding:10px 12px}
@media (max-width:480px){#tutorial .actions{display:grid;grid-template-columns:1fr 1fr}#tutorial .btn{justify-content:center}}
.syllory-download-actions{flex-wrap:wrap;align-items:center}
.code-link{margin-top:auto;color:var(--accent2);text-decoration:none;font-size:14px;font-weight:500}
.code-link:hover{text-decoration:underline}
.featured{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.featured .card.wide{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr)}
.featured .card.wide .media{aspect-ratio:auto;height:100%;min-height:320px;border-bottom:0;border-right:1px solid var(--line)}
.featured .card.wide .media img{object-position:56% 50%}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid .card.wide{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}
.grid .card.wide .media{aspect-ratio:auto;height:100%;min-height:300px;border-bottom:0;border-right:1px solid var(--line)}
.body p strong{color:var(--text);font-weight:600}
.private-note{align-self:center;font:12px var(--mono);color:var(--dim)}
.highlights{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.hl{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--panel)}
.hl-org{margin:0 0 6px;font:500 12px var(--mono);color:var(--accent);letter-spacing:.08em;text-transform:uppercase}
.hl h3{margin:0 0 8px;font-size:19px}
.hl p{margin:0;color:var(--muted)}
.hl strong{color:var(--text)}
.aoc{display:grid;gap:10px}
.year{display:grid;grid-template-columns:70px 120px 1fr 130px;align-items:center;gap:16px;padding:14px 18px;
  border:1px solid var(--line);border-radius:12px;background:var(--panel);text-decoration:none;transition:border-color .2s,background .2s}
.year:hover{border-color:#3a4258;background:var(--panel2)}
.y{font:700 18px var(--mono)}
.lang{justify-self:start;font:600 11px/1 var(--mono);padding:6px 9px;border-radius:999px;border:1px solid}
.langs{display:flex;gap:6px;justify-self:start}
.lang.ts{color:#7ab8ff;border-color:#2b4f7d;background:#0f1d30}
.lang.js{color:#f5dd6b;border-color:#5f5424;background:#211e0e}
.lang.cs{color:#c79bff;border-color:#4d3570;background:#1c1329}
.lang.py{color:#7ee0a0;border-color:#2b5a3b;background:#0f2216}
.lang.rb{color:#ff8a8a;border-color:#6a2c2c;background:#251010}
.bar{height:8px;border-radius:99px;background:#1b2030;overflow:hidden}
.bar i{display:block;height:100%;width:var(--p);border-radius:99px;background:linear-gradient(90deg,var(--accent2),var(--accent))}
.days{justify-self:end;font:13px var(--mono);color:var(--muted)}
.year.full .days{color:#f5dd6b}
.aoc-total{margin:18px 0 0;color:var(--dim);font:13px var(--mono)}
footer{max-width:1120px;margin:80px auto 0;padding:28px clamp(20px,5vw,40px) 48px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--dim);font-size:14px}
footer p{margin:0}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--text)}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.featured,.highlights{grid-template-columns:1fr}.featured .card.wide,.grid .card.wide{display:flex;flex-direction:column}.featured .card.wide .media,.grid .card.wide .media{aspect-ratio:16/10;height:auto;min-height:0;border-right:0;border-bottom:1px solid var(--line)}}
@media (max-width:600px){
  .grid{grid-template-columns:1fr}.nav nav{display:none}.hero{padding-top:56px}.hero-identity{gap:16px}.hero-avatar{width:78px;height:78px}.hero h1{font-size:clamp(34px,9.7vw,48px)}
  .year{grid-template-columns:56px 1fr auto;gap:10px 12px}.bar{grid-column:1/-1;order:4}
}
@media (max-width:380px){.hero-identity{gap:12px}.hero-avatar{width:64px;height:64px}.hero h1{font-size:32px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.grid .card.wide.game .media img{object-fit:contain;object-position:50% 50%;background:#05060a}
.posts{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px 28px}
.post{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.pt{text-decoration:none;font-weight:500}
.pt:hover{color:var(--accent)}
.pm{display:flex;align-items:center;gap:10px;flex-shrink:0;font:12px var(--mono);color:var(--dim)}
.topic{font:600 10px/1 var(--mono);padding:5px 7px;border-radius:999px;border:1px solid}
.topic.prog{color:#7ab8ff;border-color:#2b4f7d;background:#0f1d30}
.topic.math{color:#c79bff;border-color:#4d3570;background:#1c1329}
.topic.phys{color:#7ee0a0;border-color:#2b5a3b;background:#0f2216}
.orig{color:var(--accent2);text-decoration:none}
.orig:hover{text-decoration:underline}
.writing-more{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0}
@media (max-width:900px){.posts{grid-template-columns:1fr}}
@media (max-width:600px){.post{flex-direction:column;gap:6px}}
.writing-sub{margin:28px 0 10px;font-size:17px;letter-spacing:-.01em}
.writing-sub:first-of-type{margin-top:0}
.writing-sub small{font:400 12px var(--mono);color:var(--dim);margin-left:8px}
.posts.tutorials{grid-template-columns:1fr}
.topic.tut{color:#7cf5d4;border-color:#22584b;background:#0c221d}
@media (min-width:601px) and (max-width:900px){.grid>.card:not(.wide):last-child:nth-child(even){grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.grid>.card:not(.wide):last-child:nth-child(even) .media{aspect-ratio:auto;height:100%;min-height:260px;border-bottom:0;border-right:1px solid var(--line)}}
.media.fit-top img{object-position:50% 0}

/* Syllory uses the same full-bleed 16:10 preview treatment as the other demos. */
.media.syllory-card-media img{object-fit:cover;object-position:center}