:root{
  --bg:#02060a;
  --panel:rgba(5,13,21,.78);
  --line:rgba(143,220,236,.15);
  --line2:rgba(232,116,158,.18);
  --text:#e9f6f8;
  --muted:#78919b;
  --cyan:#7ad7e5;
  --pink:#e9789c;
  --violet:#9e8bff;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:
  radial-gradient(circle at 52% 7%,rgba(22,74,96,.19),transparent 29%),
  linear-gradient(180deg,#030912 0%,#010407 68%,#020508 100%);
  color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  overflow-x:hidden}
a{color:inherit;text-decoration:none}
#field{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;opacity:.72}
.topbar,main,footer{position:relative;z-index:1}
.topbar{
  position:fixed;left:0;right:0;top:0;height:72px;padding:0 max(24px,calc((100vw - var(--max))/2));
  display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(180deg,rgba(1,5,9,.89),rgba(1,5,9,.50),transparent);
  backdrop-filter:blur(9px);z-index:10
}
.brand{display:flex;gap:11px;align-items:center;font-size:12px;letter-spacing:.16em;color:#bed4db}
.brand-mark{width:9px;height:9px;border-radius:50%;background:var(--pink);box-shadow:0 0 20px var(--pink),0 0 42px rgba(122,215,229,.6)}
nav{display:flex;gap:26px;font-size:12px;color:#718a94}
nav a:hover{color:#dff8fb}
.hero{
  min-height:100svh;max-width:var(--max);margin:auto;padding:165px 24px 88px;
  display:flex;flex-direction:column;justify-content:center
}
.hero-kicker,.section-label{font-size:11px;letter-spacing:.18em;color:#75929d;margin-bottom:22px}
h1{font-size:clamp(46px,7vw,96px);line-height:.95;letter-spacing:-.045em;margin:0;max-width:1060px;font-weight:560}
h1 em{font-style:normal;color:#9cb9c2;font-weight:410}
.hero-copy{max-width:720px;font-size:18px;line-height:1.65;color:#809aa5;margin:34px 0 0}
.hero-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 18px;font-size:12px;letter-spacing:.04em;border:1px solid var(--line)}
.button.primary{color:#ffe4ed;border-color:rgba(233,120,156,.42);background:linear-gradient(180deg,rgba(233,120,156,.13),rgba(233,120,156,.05));box-shadow:0 0 32px rgba(233,120,156,.06)}
.button.ghost{color:#a5c0c9;background:rgba(7,16,24,.45)}
.button:hover{transform:translateY(-1px);border-color:rgba(175,231,241,.38)}
.manifest-demo{margin-top:74px;display:grid;grid-template-columns:auto 1fr auto 1fr auto 1fr auto;align-items:center;gap:12px;max-width:900px}
.stage{min-width:125px;padding:14px 15px;border:1px solid var(--line);border-radius:16px;background:rgba(3,9,15,.52);backdrop-filter:blur(10px)}
.stage span{display:block;color:#546f7a;font-size:9px;letter-spacing:.16em}
.stage strong{display:block;margin-top:5px;font-size:13px;font-weight:560}
.stage small{display:block;margin-top:3px;color:#657e89;font-size:10px}
.connector{height:1px;background:linear-gradient(90deg,rgba(122,215,229,.05),rgba(122,215,229,.28),rgba(233,120,156,.06))}
.section{max-width:var(--max);margin:0 auto;padding:120px 24px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:70px}
h2{font-size:clamp(34px,5vw,62px);line-height:1.02;letter-spacing:-.035em;margin:0;font-weight:520}
.prose p{font-size:16px;line-height:1.75;color:#7e99a3;margin:0 0 20px}
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:70px}
.principle-grid article,.project-card{border:1px solid var(--line);border-radius:22px;background:linear-gradient(160deg,rgba(8,18,27,.70),rgba(3,8,13,.38));padding:28px;backdrop-filter:blur(10px)}
.orb{width:22px;height:22px;border-radius:50%;margin-bottom:52px}
.orb.cyan{background:var(--cyan);box-shadow:0 0 32px rgba(122,215,229,.72)}
.orb.violet{background:var(--violet);box-shadow:0 0 32px rgba(158,139,255,.58)}
.orb.pink{background:var(--pink);box-shadow:0 0 32px rgba(233,120,156,.64)}
.principle-grid h3,.project-card h3{font-size:20px;margin:0 0 11px;font-weight:540}
.principle-grid p,.project-card p{margin:0;color:#75909a;line-height:1.62;font-size:14px}
.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:44px}
.project-card.wide{grid-column:1/-1;padding:38px}
.card-meta{font-size:10px;letter-spacing:.17em;color:#698590;margin-bottom:35px}
.project-card.wide h3{max-width:800px;font-size:30px}
.project-card.wide p{max-width:820px}
.card-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.card-tags span,.lab-stats span{border:1px solid rgba(143,220,236,.12);border-radius:999px;padding:6px 9px;color:#6f8a95;font-size:10px}
.lab-section{padding-top:150px}
.lab-card{border:1px solid rgba(233,120,156,.22);border-radius:28px;overflow:hidden;background:linear-gradient(145deg,rgba(10,19,28,.83),rgba(3,7,12,.63));display:grid;grid-template-columns:.86fr 1.14fr;min-height:520px}
.lab-copy{padding:46px;display:flex;flex-direction:column;justify-content:center}
.status{font-size:10px;letter-spacing:.15em;color:#819ba5;margin-bottom:28px}
.status span{display:inline-block;width:7px;height:7px;border-radius:50%;background:#78e0bd;box-shadow:0 0 14px #78e0bd;margin-right:8px}
.lab-copy h2{font-size:42px}
.lab-copy p{color:#78939e;line-height:1.7;font-size:15px;max-width:560px;margin:24px 0}
.lab-stats{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:28px}
.lab-copy .button{align-self:flex-start}
.lab-preview{position:relative;min-height:520px;background:
  radial-gradient(circle at 45% 50%,rgba(120,210,230,.14),transparent 33%),
  radial-gradient(circle at 66% 58%,rgba(233,120,156,.13),transparent 24%),
  #010306;overflow:hidden}
.bird-shape{position:absolute;inset:0;filter:drop-shadow(0 0 14px rgba(233,120,156,.28))}
.bird-shape span{position:absolute;display:block}
.bird-shape .body{width:210px;height:100px;border-radius:50%;background:radial-gradient(circle,#f8dbe5 0 2%,rgba(233,120,156,.82) 9%,rgba(233,120,156,.14) 63%,transparent 72%);left:35%;top:47%;transform:rotate(-4deg)}
.bird-shape .wing{width:270px;height:62px;border-radius:100% 8% 100% 8%;background:linear-gradient(90deg,rgba(233,120,156,.05),rgba(233,120,156,.75),rgba(132,218,231,.5),transparent);top:38%;transform-origin:100% 100%}
.bird-shape .wing.left{left:8%;transform:rotate(-29deg)}
.bird-shape .wing.right{left:37%;transform:scaleX(-1) rotate(-31deg)}
.bird-shape .neck{width:260px;height:27px;border-radius:999px;background:linear-gradient(90deg,rgba(233,120,156,.78),rgba(233,120,156,.30));left:52%;top:49%;transform:rotate(-4deg);transform-origin:left center}
.bird-shape .head{width:65px;height:52px;border-radius:50%;background:radial-gradient(circle at 30% 40%,#fbe5eb,rgba(233,120,156,.62) 46%,rgba(233,120,156,.08) 73%);left:82%;top:45%}
.bird-shape .trail{width:310px;height:1px;left:12%;top:52%;background:linear-gradient(90deg,transparent,rgba(122,215,229,.24),rgba(233,120,156,.25),transparent);box-shadow:0 -25px 40px rgba(122,215,229,.18),0 25px 40px rgba(233,120,156,.16)}
.lab-preview::before,.lab-preview::after{content:"";position:absolute;inset:-25%;background-image:radial-gradient(circle,rgba(122,215,229,.55) 0 1px,transparent 1.5px);background-size:26px 26px;opacity:.16;transform:rotate(12deg)}
.lab-preview::after{background-size:41px 41px;opacity:.10;transform:rotate(-9deg)}
.preview-caption{position:absolute;left:28px;bottom:25px;color:#6b8791;font-size:11px;letter-spacing:.04em}
.closing{text-align:center;padding-top:160px;padding-bottom:180px}
.closing h2{font-size:clamp(46px,7vw,86px)}
.closing p{max-width:620px;margin:28px auto 0;color:#78939d;line-height:1.7}
footer{max-width:var(--max);margin:auto;padding:0 24px 30px;display:flex;justify-content:space-between;color:#526d77;font-size:10px;border-top:1px solid rgba(143,220,236,.08);padding-top:24px}
@media(max-width:900px){
  .topbar nav{display:none}
  .manifest-demo{grid-template-columns:1fr 1fr}
  .connector{display:none}
  .split,.principle-grid,.project-grid,.lab-card{grid-template-columns:1fr}
  .project-card.wide{grid-column:auto}
  .lab-preview{min-height:420px}
  .lab-copy{padding:30px}
  footer{flex-direction:column;gap:7px}
}
@media(max-width:560px){
  .hero{padding-top:130px}
  h1{font-size:43px}
  .manifest-demo{grid-template-columns:1fr 1fr;margin-top:50px}
  .section{padding:88px 18px}
  .lab-copy h2{font-size:34px}
  .lab-preview{min-height:330px}
  .bird-shape{transform:scale(.75);transform-origin:center}
}


footer .legal-links{display:flex;gap:7px}
footer .legal-links a{color:#6d8993}
footer .legal-links a:hover{color:#dff8fb}
.legal-main{max-width:920px;margin:0 auto;padding:150px 24px 120px;position:relative;z-index:1}
.legal-main .back{display:inline-block;margin-bottom:42px;color:#75929d;font-size:12px;letter-spacing:.08em}
.legal-main h1{font-size:clamp(44px,7vw,76px);margin-bottom:42px}
.legal-main h2{font-size:25px;margin:42px 0 14px;letter-spacing:-.02em}
.legal-main h3{font-size:18px;margin:28px 0 10px;font-weight:560}
.legal-main p,.legal-main li{color:#819aa4;font-size:15px;line-height:1.75}
.legal-main ul{padding-left:22px}
.legal-box{border:1px solid var(--line);border-radius:20px;background:rgba(4,11,17,.72);padding:26px;margin:24px 0}
.legal-main a{color:#a8dce5}
.legal-main a:hover{color:#e7fbff}
.legal-note{font-size:12px!important;color:#607a84!important;margin-top:48px!important}
@media(max-width:900px){
  footer{align-items:flex-start}
}


/* --- interactive depth window --- */
.depth-lab{margin-top:76px;border:1px solid rgba(143,220,236,.14);border-radius:28px;background:linear-gradient(155deg,rgba(7,17,25,.76),rgba(2,6,10,.58));padding:24px;overflow:hidden;box-shadow:0 30px 100px rgba(0,0,0,.18)}
.depth-head{display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:end;padding:10px 10px 22px}
.depth-head .section-label{margin-bottom:12px}
.depth-head h3{margin:0;font-size:clamp(25px,3.7vw,42px);letter-spacing:-.035em;font-weight:520}
.depth-head p{margin:0;color:#6f8993;line-height:1.65;font-size:13px;max-width:480px;justify-self:end}
.depth-stage{--depth:12;position:relative;height:min(54vw,500px);min-height:370px;border:1px solid rgba(143,220,236,.11);border-radius:22px;overflow:hidden;background:radial-gradient(circle at 50% 46%,rgba(48,129,155,.105),transparent 28%),radial-gradient(circle at 71% 57%,rgba(233,120,156,.065),transparent 20%),#010408;outline:none;cursor:ns-resize}
.depth-stage:focus-visible{box-shadow:0 0 0 1px rgba(233,120,156,.55),0 0 35px rgba(233,120,156,.08)}
#depthCanvas{position:absolute;inset:0;width:100%;height:100%}
.depth-stage::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(2,6,10,.1),transparent 20%,transparent 75%,rgba(2,6,10,.62));}
.depth-stage-label{position:absolute;left:22px;bottom:20px;z-index:4;display:flex;flex-direction:column;gap:4px;pointer-events:none}
.depth-stage-label span{font-size:11px;letter-spacing:.18em;color:#f0c8d5}
.depth-stage-label small{font-size:11px;color:#68838e}
.depth-ui{position:absolute;inset:0;z-index:3;pointer-events:none;opacity:var(--ui-opacity,0);transform:scale(var(--ui-scale,.94));transition:opacity .08s linear,transform .08s linear}
.depth-ui-card{position:absolute;border:1px solid rgba(143,220,236,.2);background:rgba(3,11,17,.70);backdrop-filter:blur(12px);box-shadow:0 20px 60px rgba(0,0,0,.34),0 0 45px rgba(122,215,229,.045);border-radius:18px;color:#dff1f4}
.depth-ui-card small{display:block;font-size:8px;letter-spacing:.18em;color:#6e8994;margin-bottom:8px}
.depth-ui-card strong{display:block;font-size:18px;font-weight:540}
.depth-ui-card span{display:block;margin-top:7px;color:#75909a;font-size:11px}
.primary-ui{width:min(330px,43%);left:50%;top:49%;padding:20px;transform:translate(-50%,-50%)}
.side-ui{padding:14px 16px;width:150px;opacity:.76}
.side-ui.one{left:14%;top:27%}.side-ui.two{right:12%;top:62%}
.depth-controls{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:18px 6px 3px}
.depth-play{border:1px solid rgba(233,120,156,.32);border-radius:999px;background:rgba(233,120,156,.055);color:#e8b7c7;font:inherit;font-size:10px;letter-spacing:.08em;padding:10px 14px;cursor:pointer}
.depth-play.active{background:rgba(233,120,156,.13);border-color:rgba(233,120,156,.58);box-shadow:0 0 28px rgba(233,120,156,.08)}
#depthRange{width:100%;accent-color:var(--pink)}
#depthValue{font-size:11px;color:#77919b;min-width:40px;text-align:right}
@media(max-width:760px){.depth-head{grid-template-columns:1fr;gap:12px}.depth-head p{justify-self:start}.depth-stage{height:430px}.side-ui{display:none}.primary-ui{width:70%}}