:root{
  --bg:#071813; --panel:rgba(11,31,24,.72); --glass:rgba(10,29,23,.45); --line:rgba(174,242,198,.22);
  --text:#ecfff2; --muted:#cae6d2; --accent:#bbf4c8; --accent2:#fff1b0; --shadow:0 20px 60px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.7 system-ui,-apple-system,Segoe UI,Arial,sans-serif;overflow-x:hidden}
button{font:inherit}
body::before{content:"";position:fixed;inset:0;background:radial-gradient(circle at top,#1f5d4b22,transparent 35%),linear-gradient(180deg,#00000010,#00000070);pointer-events:none;z-index:2}
.app{min-height:100vh;position:relative;z-index:1}
.scene{min-height:100vh;position:relative;display:flex;align-items:stretch;justify-content:center;overflow:hidden;isolation:isolate}
.bg{position:absolute;inset:-6%;background-size:cover;background-position:center;transform:scale(1.06);filter:saturate(1.04);animation:kenburns 18s ease-in-out infinite alternate;transition:opacity .9s ease, transform .9s ease}
.overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,18,15,.24),rgba(4,12,10,.62) 52%,rgba(2,8,6,.88))}
.content{position:relative;z-index:2;max-width:1320px;width:100%;padding:22px clamp(18px,4vw,44px) 40px;display:grid;grid-template-rows:auto 1fr auto;gap:20px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;opacity:0;transform:translateY(-20px);animation:fadeup .8s .15s forwards}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.brand-badge{width:44px;height:44px;border-radius:16px;background:linear-gradient(135deg,#94dfaf,#4f8f6b);display:grid;place-items:center;color:#0a2418;box-shadow:var(--shadow)}
.top-links{display:flex;gap:10px;flex-wrap:wrap}
.top-links button,.ghost{background:rgba(255,255,255,.08);backdrop-filter:blur(12px);border:1px solid var(--line);color:var(--text);padding:11px 15px;border-radius:999px;cursor:pointer;transition:.3s ease}
.top-links button:hover,.ghost:hover{transform:translateY(-2px);background:rgba(255,255,255,.13)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center}
.hero-copy{opacity:0;transform:translateY(26px);animation:fadeup 1s .25s forwards}
.kicker{display:inline-flex;gap:10px;align-items:center;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.06);backdrop-filter:blur(12px);font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:#d9fbe2}
.hero-copy h1{font-size:clamp(38px,6.5vw,82px);line-height:1.03;max-width:760px;margin:16px 0 18px}
.hero-copy p{font-size:clamp(16px,2vw,22px);max-width:760px;color:var(--muted);margin:0 0 18px}
.flow{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.cta{appearance:none;border:none;padding:16px 24px;border-radius:999px;cursor:pointer;font-weight:800;color:#062317;background:linear-gradient(135deg,#e9ffd9,#9ee7b9);box-shadow:0 18px 40px rgba(125,232,169,.25);transition:transform .25s ease, box-shadow .25s ease, opacity .45s ease}
.cta:hover{transform:translateY(-3px) scale(1.01);box-shadow:0 24px 50px rgba(125,232,169,.35)}
.cta.secondary{background:rgba(255,255,255,.1);color:var(--text);border:1px solid var(--line);box-shadow:none}
.cta.hide{opacity:0;pointer-events:none;transform:scale(.96)}
.reveal-panel{margin-top:22px;display:grid;gap:14px;max-width:760px}
.reveal-card{background:linear-gradient(180deg,rgba(255,251,233,.97),rgba(250,245,225,.92));color:#2b2418;border-radius:26px;box-shadow:0 24px 70px rgba(0,0,0,.24);padding:24px 24px 22px;position:relative;overflow:hidden;transform-origin:top center;opacity:0;transform:perspective(1000px) rotateX(-18deg) translateY(28px) scale(.97);transition:.75s cubic-bezier(.2,.8,.2,1)}
.reveal-card.show{opacity:1;transform:perspective(1000px) rotateX(0) translateY(0) scale(1)}
.reveal-card::before{content:"";position:absolute;inset:auto 12% -35% 12%;height:55%;background:radial-gradient(circle,rgba(0,0,0,.16),transparent 70%);filter:blur(22px)}
.reveal-card h2,.reveal-card h3{margin:0 0 10px;font-family:Georgia,serif;line-height:1.15}
.reveal-card p{margin:0;color:#463d2d}
.hero-side{display:grid;justify-items:end;opacity:0;transform:translateX(28px);animation:fadeinright 1s .42s forwards}
.room-window{width:min(100%,520px);aspect-ratio:4/5;border-radius:34px;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow);background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}
.room-window img.main{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.05)}
.float-badge{position:absolute;left:18px;bottom:18px;background:rgba(6,18,14,.62);color:#effaf2;border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(14px);padding:12px 14px;border-radius:18px;max-width:78%}
.float-badge b{display:block;margin-bottom:3px}
.progress-dots{display:flex;gap:8px;align-items:center;justify-content:center;padding-bottom:5px}
.progress-dots span{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.18);transition:.35s ease}
.progress-dots span.on{width:30px;border-radius:999px;background:#baf4ca}
.chapter-shell{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start}
.nav-rail{position:sticky;top:18px;background:rgba(7,24,19,.54);border:1px solid var(--line);backdrop-filter:blur(18px);padding:16px;border-radius:28px;box-shadow:var(--shadow);opacity:0;animation:fadeup .8s .15s forwards}
.nav-rail h3{margin:8px 8px 14px;font-size:16px;letter-spacing:.07em;text-transform:uppercase;color:#d5f5de}
.chapter-btn{width:100%;text-align:left;background:transparent;border:1px solid transparent;color:var(--text);padding:12px 14px;border-radius:18px;cursor:pointer;transition:.25s ease;margin-bottom:6px}
.chapter-btn:hover,.chapter-btn.active{background:rgba(173,239,198,.12);border-color:rgba(173,239,198,.22);transform:translateX(4px)}
.chapter-btn small{display:block;color:#afd3bb;font-size:12px}
.main-panel{display:grid;gap:18px}
.stage-header{display:grid;grid-template-columns:1fr minmax(220px,360px);gap:18px;align-items:stretch}
.scene-card{background:rgba(7,24,19,.53);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:34px;box-shadow:var(--shadow);overflow:hidden;opacity:0;transform:translateY(24px);animation:fadeup .8s .18s forwards}
.scene-card.copy{padding:24px 24px 22px}
.scene-card.copy h1{font-size:clamp(28px,4vw,56px);line-height:1.06;margin:8px 0 8px}
.scene-card.copy p{color:var(--muted);margin:8px 0}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.badges span{padding:8px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);font-size:13px;color:#d8f3de}
.scene-card.media{position:relative;min-height:280px}
.scene-card.media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 1.2s ease}
.scene-card.media:hover img{transform:scale(1.05)}
.scene-card.media .caption{position:absolute;inset:auto 18px 18px 18px;padding:14px 16px;border-radius:20px;background:rgba(6,18,14,.68);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.14)}
.paper-stack{display:grid;gap:18px}
.paper{background:linear-gradient(180deg,rgba(255,251,237,.98),rgba(252,248,234,.95));color:#2c2418;border-radius:28px;padding:24px;box-shadow:0 18px 50px rgba(0,0,0,.22);position:relative;overflow:hidden;transform-origin:top center;opacity:0;transform:perspective(1000px) rotateX(-12deg) translateY(26px);animation:paperin .8s forwards}
.paper:nth-child(2){animation-delay:.08s}.paper:nth-child(3){animation-delay:.16s}.paper:nth-child(4){animation-delay:.24s}
.paper::before{content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(255,225,130,.18),transparent 70%)}
.paper h2,.paper h3{margin:0 0 10px;font-family:Georgia,serif;line-height:1.14}
.paper p{margin:0;color:#473e30}
.paper .mini{margin-top:12px;color:#655740;font-size:14px}
.section-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:16px}
.section-card{background:rgba(255,255,255,.62);border:1px solid rgba(78,67,48,.12);border-radius:22px;padding:14px;display:grid;gap:10px;transition:.25s ease;cursor:pointer}
.section-card:hover{transform:translateY(-5px) rotate(-.3deg);box-shadow:0 14px 30px rgba(0,0,0,.12)}
.section-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px}
.section-card h4{margin:0;font-size:18px;line-height:1.2}
.section-card p{font-size:14px;color:#514636}
.story-grid{display:grid;grid-template-columns:1fr 280px;gap:18px}
.fact-list{display:grid;gap:12px}
.fact-chip{padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.7);border:1px dashed rgba(69,58,41,.2)}
.summary-links{display:grid;gap:12px;margin-top:12px}
.link-pill{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:18px;background:rgba(255,255,255,.68)}
.stage-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:flex-start}
.stage-actions .cta{padding:14px 20px}
.stage-actions .cta.appear{animation:bounceIn .55s both}
.modal{position:fixed;inset:0;background:rgba(1,8,6,.78);backdrop-filter:blur(12px);display:none;place-items:center;z-index:30;padding:18px}
.modal.show{display:grid}
.modal-box{max-width:1000px;width:100%;max-height:92vh;overflow:auto;border-radius:30px;background:linear-gradient(180deg,rgba(255,251,238,.98),rgba(250,246,231,.96));color:#2b2418;box-shadow:0 30px 80px rgba(0,0,0,.35);padding:24px;position:relative}
.modal-close{position:sticky;top:0;float:right;border:none;background:#1f392d;color:#effff2;width:44px;height:44px;border-radius:50%;cursor:pointer}
.modal-layout{display:grid;grid-template-columns:minmax(0,1.1fr) 1fr;gap:22px;align-items:start}
.modal-layout img{width:100%;border-radius:22px;aspect-ratio:4/3;object-fit:cover}
.modal-layout h2{margin:8px 0 10px;font-family:Georgia,serif;font-size:34px;line-height:1.05}
.modal-layout p{color:#4d4232}
.hidden{display:none!important}
@keyframes kenburns{from{transform:scale(1.03) translateY(0)}to{transform:scale(1.1) translateY(-10px)}}
@keyframes fadeup{to{opacity:1;transform:translateY(0)}}
@keyframes fadeinright{to{opacity:1;transform:translateX(0)}}
@keyframes paperin{to{opacity:1;transform:perspective(1000px) rotateX(0) translateY(0)}}
@keyframes bounceIn{0%{opacity:0;transform:scale(.75) translateY(10px)}60%{opacity:1;transform:scale(1.03)}100%{opacity:1;transform:scale(1)}}
@media (max-width:980px){
  .hero-grid,.chapter-shell,.stage-header,.story-grid,.modal-layout{grid-template-columns:1fr}
  .hero-side{justify-items:stretch}.room-window{width:100%;max-width:520px;margin:auto}
  .nav-rail{position:relative;top:auto}
}
@media (max-width:620px){
  .content{padding:16px 14px 28px}.hero-copy h1{font-size:clamp(34px,12vw,54px)}
  .scene-card.copy,.paper,.modal-box{padding:18px}.stage-actions{flex-direction:column;align-items:stretch}
}