:root{
  --ink:#1b211e; --paper:#f3f0e8; --panel:#fffdf7;
  --line:#c9c4b6; --muted:#6d716b;
  --accent:#ff5a3c; --blue:#2673e8; --green:#198b61;
  --violet:#7758c7; --amber:#cf7a18;
  --shadow:0 18px 50px rgba(24,33,29,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.5}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.25;
  background-image:radial-gradient(#777 .65px,transparent .65px);background-size:9px 9px}
.wrap{width:min(1120px,calc(100% - 32px));margin:auto;position:relative}
.hero{padding:56px 0 34px;border-bottom:1px solid var(--line)}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px}
.eyebrow{font-family:ui-monospace,Menlo,monospace;text-transform:uppercase;
  letter-spacing:.13em;font-size:12px;font-weight:800;color:var(--accent)}
.lang{display:flex;gap:6px}
.lang-btn{border:1px solid #aaa69b;background:transparent;color:var(--ink);
  border-radius:999px;padding:6px 12px;font-weight:800;font-size:12px;cursor:pointer}
.lang-btn.active{background:var(--ink);color:#fff;border-color:var(--ink)}
h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;white-space:pre-line;
  font-size:clamp(48px,8vw,100px);letter-spacing:-.04em;line-height:.95;margin:18px 0 20px}
.lede{font-size:clamp(16px,2vw,22px);max-width:760px;color:#3f4943;margin:0 0 30px}
.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:stretch}
.scrubber{background:var(--ink);color:#fff;border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.scrubber-top{display:flex;justify-content:space-between;gap:16px;align-items:baseline}
.scrubber strong{font-size:20px}
.scrubber output{font-family:ui-monospace,Menlo,monospace;color:#b9f6dc;font-size:12px}
input[type=range]{width:100%;margin:22px 0 10px;accent-color:#b9f6dc}
.range-labels{display:flex;justify-content:space-between;color:#aeb6b1;font:11px ui-monospace,Menlo,monospace}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:16px;overflow:hidden}
.stat{background:var(--panel);padding:20px 14px}
.stat b{font:600 30px Georgia,serif;display:block}
.stat span{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.controls{position:sticky;top:0;z-index:10;background:rgba(243,240,232,.93);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);padding:14px 0}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
.chip{white-space:nowrap;border:1px solid #aaa69b;background:transparent;color:var(--ink);
  border-radius:999px;padding:8px 13px;font-weight:700;font-size:13px;cursor:pointer}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}
main{padding:38px 0 80px}
.day{display:grid;grid-template-columns:145px 1fr;gap:36px;padding:28px 0;border-bottom:1px solid var(--line)}
.day.hidden{display:none}
.date b{font:500 28px Georgia,serif;display:block}
.date span{font:12px ui-monospace,Menlo,monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.card{background:var(--panel);border:1px solid #d7d2c5;border-radius:16px;padding:20px;min-height:140px}
.card .cat{display:inline-flex;align-items:center;gap:7px;font:800 10px ui-monospace,Menlo,monospace;
  text-transform:uppercase;letter-spacing:.09em;margin-bottom:14px}
.dot{width:8px;height:8px;border-radius:50%;background:currentColor}
.card h2{font:500 22px/1.1 Georgia,serif;margin:0 0 10px}
.card p{font-size:14px;color:#555d58;margin:0}
.Communication{color:var(--blue)}.Automation{color:var(--green)}.Compute{color:var(--violet)}
.Knowledge{color:var(--amber)}.Building{color:var(--accent)}.Foundation{color:#4f5a55}
.empty{text-align:center;padding:50px 20px;color:var(--muted);display:none}
.empty.show{display:block}
.tech-section{margin-top:56px}
.section-title{font:500 clamp(28px,4vw,44px) Georgia,serif;letter-spacing:-.02em;margin:0 0 6px}
.section-sub{color:var(--muted);margin:0 0 22px}
.tech-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.tech-card{background:var(--panel);border:1px solid #d7d2c5;border-radius:16px;padding:18px}
.tech-card h3{font-size:16px;margin:0 0 4px}
.tech-card h3 a{color:var(--ink);text-decoration:none;border-bottom:2px solid var(--accent)}
.tech-card .tcat{font:800 10px ui-monospace,Menlo,monospace;text-transform:uppercase;
  letter-spacing:.09em;color:var(--muted);display:block;margin-bottom:8px}
.tech-card p{font-size:13px;color:#555d58;margin:0}
.source{margin-top:40px;padding:20px;border:1px solid var(--line);border-radius:14px;color:#575e59;font-size:13px}
.source b{color:var(--ink)}
footer{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--muted);font-size:13px}
@media(max-width:760px){
  .hero{padding-top:40px}.hero-grid{grid-template-columns:1fr}
  .day{grid-template-columns:1fr;gap:12px}
  .cards,.tech-grid{grid-template-columns:1fr}
  .card{min-height:auto}h1{font-size:clamp(46px,15vw,72px)}
}