:root{
  --paper:#f7f2e8;
  --panel:#fffdf7;
  --ink:#27231b;
  --muted:#665e51;
  --line:#d9cab2;
  --line-strong:#bda987;
  --leaf:#2f6f5e;
  --leaf-soft:#dcebe3;
  --blue:#3f647f;
  --blue-soft:#dce9f0;
  --honey:#b87525;
  --rose:#9d4c46;
  --rose-soft:#f0dfdc;
  --radius:8px;
  --shadow:0 18px 50px -32px rgba(39,35,27,.42);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
h1,h2,h3,p{margin:0}
h1,h2,h3{letter-spacing:0}
a{color:inherit}
.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:18px;min-height:64px;padding:12px clamp(16px,4vw,42px);background:rgba(247,242,232,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.brand{font-weight:850;text-decoration:none;font-size:19px;white-space:nowrap}
nav{display:flex;gap:14px;flex:1;flex-wrap:wrap}
nav a{font-size:14px;color:var(--muted);text-decoration:none;font-weight:700;display:inline-flex;align-items:center;min-height:36px}
nav a:hover{color:var(--ink)}
.lang-toggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;background:var(--panel);padding:3px;gap:2px}
.lang-toggle button{border:0;background:transparent;border-radius:999px;min-height:36px;padding:7px 12px;color:var(--muted);font-weight:800;cursor:pointer}
.lang-toggle button[aria-pressed=true]{background:var(--leaf);color:white}
.hero{min-height:calc(92vh - 64px);display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,500px);gap:30px;align-items:center;padding:42px clamp(16px,5vw,64px) 30px;border-bottom:1px solid var(--line)}
.hero-inner{max-width:820px}
.stage-chip,.status-pill{display:inline-flex;align-items:center;gap:8px;min-height:34px;border:1px solid var(--line-strong);background:var(--panel);border-radius:999px;color:#5d4727;font-size:13px;font-weight:800;padding:7px 12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--leaf)}
.eyebrow{color:var(--leaf);font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.hero h1{font-size:clamp(46px,8vw,96px);line-height:.94;margin:14px 0 14px}
.hero-subtitle{font-size:clamp(22px,3vw,32px);line-height:1.18;max-width:820px}
.hero-copy{font-size:18px;color:var(--muted);max-width:760px;margin-top:16px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:var(--radius);padding:11px 17px;text-decoration:none;font-weight:850;border:1px solid transparent}
.button.primary{background:var(--leaf);color:white}
.button.secondary{background:var(--panel);border-color:var(--line);color:var(--ink)}
.boundary-line{display:inline-flex;margin-top:20px;border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:10px 12px;color:var(--muted);font-size:14px}
.hero-visual{height:min(50vw,480px);min-height:300px;border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);box-shadow:var(--shadow);display:grid;place-items:center;position:relative;overflow:hidden}
.hero-visual::before{content:"";position:absolute;inset:28px;border:1px solid var(--line);border-radius:50%}
.hero-visual::after{content:"science · caption · review";position:absolute;bottom:24px;left:24px;color:var(--muted);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:12px}
.orbit-card{display:grid;place-items:center;width:190px;height:190px;border-radius:50%;border:1px solid var(--leaf);background:var(--leaf-soft);color:var(--leaf);box-shadow:var(--shadow)}
.orbit-card span{font-size:82px;font-weight:900;line-height:1}
.orbit-card small{font-size:13px;font-weight:850;text-transform:uppercase}
.section{padding:52px clamp(16px,5vw,64px);border-bottom:1px solid var(--line)}
.two-column{display:grid;grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);gap:32px;align-items:start}
.two-column.compact{align-items:center}
.stack{display:grid;gap:14px;color:var(--muted);font-size:18px}
.section-heading{max-width:850px;margin-bottom:24px}
.section-heading h2,.two-column h2{font-size:clamp(28px,4vw,48px);line-height:1.04;margin-bottom:10px}
.section-heading p{color:var(--muted);font-size:17px}
.journey{background:#f3ead9}
.chambers{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.chamber{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:14px;min-height:96px;display:flex;flex-direction:column;justify-content:space-between}
.chamber b{font-size:18px}
.chamber span{color:var(--muted)}
.chamber.here{border-color:var(--leaf);background:var(--leaf-soft)}
.talk-tools{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.talk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.talk-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-rows:180px 1fr}
.video-shell{display:grid;place-items:center;background:#ebe3d4;border-bottom:1px solid var(--line);position:relative}
.video-shell iframe{width:100%;height:100%;border:0;display:block}
.video-load{width:100%;height:100%;border:0;background:transparent;color:var(--ink);display:grid;place-items:center;gap:8px;cursor:pointer;font-weight:850}
.video-mark{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:var(--panel);border:1px solid var(--line-strong);color:var(--leaf);font-size:22px}
.talk-copy{padding:16px;display:grid;gap:10px}
.label{font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:var(--leaf)}
.talk-copy h3{font-size:20px;line-height:1.15}
.talk-copy p:not(.label){color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:6px}
.tag-row span{display:inline-flex;align-items:center;min-height:32px;border:1px solid var(--line);border-radius:999px;background:#fbf6ed;color:var(--muted);font-size:12px;font-weight:700;padding:5px 10px}
.talk-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.talk-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border:1px solid var(--line);border-radius:var(--radius);background:#fbf6ed;padding:8px 12px;font-weight:850;font-size:13px;color:var(--blue);text-decoration:none}
.talk-actions a:hover{border-color:var(--blue);text-decoration:none;background:#f2f7fa}
.sample-card{display:flex;justify-content:space-between;gap:18px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.sample-card h3{font-size:24px}
.sample-card p{color:var(--muted);margin-top:4px}
.quiet-band{background:#efe4d1}
.boundary-list{display:grid;gap:9px;list-style:none;margin:0;padding:0}
.boundary-list li{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:11px 13px;color:var(--muted);font-weight:700}
.site-footer{padding:24px clamp(16px,5vw,64px);color:var(--muted)}
@media (max-width:940px){
  .hero,.two-column{grid-template-columns:1fr}
  .hero{min-height:auto}
  .hero-visual{order:-1;height:300px}
  .talk-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chambers{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .site-header{position:static}
  nav a,.talk-actions a,.button{min-height:46px}
  .tag-row span,.status-pill{min-height:34px}
  .talk-grid,.chambers{grid-template-columns:1fr}
  .sample-card{align-items:flex-start;flex-direction:column}
}