:root { --bg:#0b0d12; --fg:#e8eaf0; --muted:#98a0b3; --accent:#7cc4ff; --line:#1d2230; --card:#12151d; }
@media (prefers-color-scheme: light) { :root { --bg:#fafafa; --fg:#14161c; --muted:#5b6275; --accent:#0a5fb4; --line:#dde1ea; --card:#fff; } }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; background:var(--bg); color:var(--fg); font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; }
a { color:var(--accent); }
img, iframe, object { max-width:100%; }
img { height:auto; }
.site-header { display:flex; flex-wrap:wrap; gap:.5rem 1.5rem; align-items:baseline; justify-content:space-between; padding:1rem max(16px,4vw); border-bottom:1px solid var(--line); }
.brand { color:var(--fg); font-weight:700; letter-spacing:.02em; text-decoration:none; }
.site-nav { display:flex; flex-wrap:wrap; gap:.4rem 1.4rem; font-size:.92rem; }
.site-nav a { color:var(--muted); text-decoration:none; }
.site-nav a:hover { color:var(--accent); }
main { max-width:900px; margin:0 auto; padding:2rem 16px 5rem; }
h1 { font-size:clamp(1.7rem,4vw,2.4rem); line-height:1.2; margin:.4rem 0 1rem; }
h2 { margin-top:2.2rem; }
.meta { color:var(--muted); margin-top:-.6rem; }
blockquote { margin:1.5rem 0; padding-left:1rem; border-left:3px solid var(--accent); }
blockquote cite { display:block; color:var(--muted); font-style:normal; }
figure { margin:1.5rem 0; }
figcaption { color:var(--muted); font-size:.9rem; margin-top:.4rem; }
.pair { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
@media (max-width:640px) { .pair { grid-template-columns:1fr; } }
pre { overflow:auto; padding:1rem; background:var(--card); border:1px solid var(--line); border-radius:8px; font-size:.82rem; line-height:1.5; }
details { background:var(--card); border:1px solid var(--line); border-radius:8px; padding:.7rem 1rem; margin:1rem 0; }
summary { cursor:pointer; font-weight:600; }
.pager { display:flex; justify-content:space-between; gap:1rem; margin-top:3rem; padding-top:1rem; border-top:1px solid var(--line); }
/* about timeline */
.row { display:grid; grid-template-columns:1fr minmax(0,320px); gap:1.5rem; align-items:center; padding:1.4rem 0; border-bottom:1px solid var(--line); }
.row:nth-child(even) { grid-template-columns:minmax(0,320px) 1fr; } .row:nth-child(even) figure { order:-1; }
.row h2 { margin:0 0 .5rem; font-size:1.2rem; } .row p { margin:.2rem 0; color:var(--muted); } .row figure { margin:0; }
@media (max-width:700px) { .row, .row:nth-child(even) { grid-template-columns:1fr; } .row:nth-child(even) figure { order:0; } }
/* cards */
.cards { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:1.2rem; }
.card { background:var(--card); border:1px solid var(--line); border-radius:10px; overflow:hidden; }
.card a { display:block; text-decoration:none; color:var(--fg); } .card img { display:block; width:100%; aspect-ratio:1; object-fit:cover; }
.card p { margin:.7rem 1rem 1rem; } .card p.sub { color:var(--muted); font-size:.88rem; margin-top:-.5rem; }
.wide { grid-column:1/-1; }
/* home */
.home main { max-width:none; padding:0; }
.hero { min-height:calc(100vh - 56px); display:grid; place-content:center; text-align:center; padding:3rem 16px; background:linear-gradient(rgba(5,7,12,.62),rgba(5,7,12,.78)),url(/assets/uploads/2020/02/Cryptex-1.jpeg) center/cover no-repeat fixed; color:#fff; }
.hero h1 { font-size:clamp(2.4rem,7vw,4.5rem); margin:0; } .hero .tag { font-size:1.2rem; letter-spacing:.12em; text-transform:uppercase; opacity:.85; margin:.4rem 0 2.2rem; }
.hero h2 { font-size:.9rem; letter-spacing:.2em; text-transform:uppercase; opacity:.7; margin:1.8rem 0 .6rem; }
.hero .links { display:flex; flex-wrap:wrap; gap:.7rem; justify-content:center; }
.hero .links a { color:#fff; text-decoration:none; border:1px solid rgba(255,255,255,.55); padding:.6rem 1.2rem; border-radius:999px; } .hero .links a:hover { background:rgba(255,255,255,.15); }
/* scroll sequences */
.ssq { position:relative; margin:0 calc(50% - 50vw); width:100vw; }
.ssq-stick { position:sticky; top:0; height:100vh; display:grid; place-items:center; background:#fff; }
.ssq canvas { width:100%; height:100%; display:block; }
.ssq-caption { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); text-align:center; text-shadow:0 0 8px #fff; color:#111; font-size:clamp(1.6rem,4vw,3rem); font-weight:700; pointer-events:none; }
.ssq-page main { max-width:none; padding:0; } .ssq-page h1 { display:none; }
.hint { text-align:center; color:var(--muted); }
.file { display:flex; flex-wrap:wrap; gap:1rem; align-items:center; margin:.6rem 0 1.5rem; } .file object { width:100%; height:600px; border:1px solid var(--line); border-radius:8px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior:auto; } }

.gap { margin-top:4rem; }
.tableauPlaceholder { margin:1.5rem 0; }