:root{
  color-scheme:dark;
  --bg:#020617;
  --bg-soft:#07111f;
  --panel:#0b1728;
  --panel-2:#0e1c31;
  --line:rgba(148,163,184,.22);
  --line-strong:rgba(56,189,248,.34);
  --text:#f8fafc;
  --muted:#a8b5c8;
  --cyan:#06b6d4;
  --blue:#2196f3;
  --blue-soft:#7dd3fc;
  --green:#5eead4;
  --amber:#fbbf24;
  --max:1100px;
  --radius:22px;
  --font:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;background:linear-gradient(180deg,#020617 0%,#07111f 46%,#020617 100%);color:var(--text);font-family:var(--font);line-height:1.6;text-rendering:optimizeLegibility}
body:before{position:fixed;inset:0;pointer-events:none;z-index:50;content:"";opacity:.024;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitchTiles'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
a{color:inherit}
img{display:block;max-width:100%}
button,input,textarea,select{font:inherit}
.container{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.skip-link{position:fixed;top:12px;left:12px;z-index:100;transform:translateY(-160%);padding:10px 14px;border-radius:10px;background:#fff;color:#020617;font-weight:800;text-decoration:none}
.skip-link:focus{transform:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.site-header{position:fixed;inset:0 0 auto;z-index:40;display:flex;align-items:center;justify-content:space-between;min-height:82px;padding-inline:max(20px,calc((100vw - var(--max))/2));border-bottom:1px solid transparent;transition:.2s ease}
.site-header.is-scrolled{min-height:68px;background:rgba(2,6,23,.9);border-color:rgba(148,163,184,.14);backdrop-filter:blur(18px)}
.brand{display:inline-flex;align-items:baseline;gap:1px;color:#f8fafc;font-size:29px;font-weight:900;letter-spacing:-.055em;text-decoration:none}
.brand span{color:var(--blue)}
.brand small{margin-left:7px;color:#94a3b8;font-size:10px;letter-spacing:.14em}
.site-nav{display:flex;align-items:center;gap:23px}
.site-nav a{color:#dbe4f0;font-size:13px;font-weight:650;text-decoration:none;transition:.2s}
.site-nav a:hover{color:#fff}
.nav-cta,.btn-primary{color:#fff!important;background:linear-gradient(90deg,var(--cyan),var(--blue));box-shadow:0 12px 30px rgba(33,150,243,.24)}
.nav-cta{padding:10px 17px;border-radius:999px}
.menu-button{display:none;width:44px;height:44px;border:0;background:transparent;color:#fff}
.menu-button span:not(.sr-only){display:block;width:24px;height:2px;margin:6px auto;background:currentColor}

.hero{position:relative;isolation:isolate;overflow:hidden;min-height:860px;padding:150px 0 100px;border-bottom:1px solid rgba(148,163,184,.13)}
.hero-glow{position:absolute;inset:-20% -10% auto 40%;z-index:-1;width:850px;height:850px;border-radius:50%;background:radial-gradient(circle,rgba(6,182,212,.16),rgba(33,150,243,.11) 38%,transparent 68%);filter:blur(12px)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
.eyebrow,.section-label,.panel-label{margin:0 0 15px;color:var(--blue-soft);font-size:11px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}
.hero h1{max-width:760px;margin:0;font-size:clamp(62px,7.5vw,108px);line-height:.91;letter-spacing:-.066em}
.hero-lead{max-width:730px;margin:30px 0 0;color:#cbd5e1;font-size:clamp(18px,2vw,23px);line-height:1.5}
.hero-question{max-width:690px;margin:20px 0 0;color:#fff;font-size:18px;font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 21px;border:1px solid transparent;border-radius:999px;font-size:14px;font-weight:750;text-decoration:none;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-ghost{border-color:rgba(148,163,184,.38);background:rgba(15,23,42,.58);color:#e2e8f0}
.btn-ghost:hover{background:rgba(30,41,59,.8)}
.hero-principles{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.hero-principles span{padding:7px 11px;border:1px solid rgba(148,163,184,.2);border-radius:999px;color:#9fb0c5;background:rgba(15,23,42,.42);font-size:11px}

.question-orbit{position:relative;min-height:560px;display:grid;place-items:center}
.question-orbit:before,.question-orbit:after{position:absolute;inset:8%;content:"";border:1px solid rgba(56,189,248,.22);border-radius:50%;box-shadow:0 0 70px rgba(33,150,243,.12),inset 0 0 50px rgba(6,182,212,.06)}
.question-orbit:after{inset:20%;border-color:rgba(56,189,248,.38)}
.orbit-core{position:relative;z-index:2;display:grid;place-items:center;width:240px;height:240px;border:1px solid rgba(125,211,252,.55);border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(33,150,243,.2),rgba(2,6,23,.88) 65%);box-shadow:0 0 90px rgba(33,150,243,.2),inset 0 0 45px rgba(6,182,212,.1);text-align:center}
.orbit-core span{color:#a5f3fc;font-size:13px;letter-spacing:.14em;text-transform:uppercase}
.orbit-core strong{display:block;margin-top:-70px;font-size:30px;line-height:1.05;letter-spacing:-.035em}
.orbit-word{position:absolute;z-index:3;padding:9px 13px;border:1px solid rgba(125,211,252,.25);border-radius:999px;background:rgba(7,17,31,.84);color:#d9f7ff;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.28)}
.orbit-a{top:7%;left:36%}.orbit-b{top:28%;right:0}.orbit-c{bottom:18%;right:2%}.orbit-d{bottom:7%;left:28%}.orbit-e{top:39%;left:-2%}

.intro-strip{padding:42px 0;border-bottom:1px solid rgba(148,163,184,.13);background:rgba(15,23,42,.42)}
.intro-grid{display:grid;grid-template-columns:200px 1fr;gap:45px;align-items:start}
.intro-quote{max-width:820px;margin:0;color:#e2e8f0;font-size:clamp(21px,2.3vw,31px);line-height:1.35;letter-spacing:-.025em}

.section{padding:112px 0}
.section-muted{padding:112px 0;background:linear-gradient(180deg,rgba(15,23,42,.66),rgba(7,17,31,.8));border-block:1px solid rgba(148,163,184,.12)}
.section-head{max-width:850px}
.section-head h2{margin:0;font-size:clamp(42px,5.2vw,72px);line-height:1;letter-spacing:-.055em}
.section-head>p:last-child{max-width:780px;margin:24px 0 0;color:var(--muted);font-size:18px}

.strength-grid,.source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:52px}
.info-card,.source-card{position:relative;display:flex;flex-direction:column;min-height:310px;padding:31px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(14,28,49,.94),rgba(7,17,31,.95));box-shadow:0 22px 65px rgba(0,0,0,.18)}
.card-index{color:var(--blue-soft);font-size:11px;font-weight:800;letter-spacing:.15em}
.info-card h3{margin:26px 0 13px;font-size:29px;letter-spacing:-.035em}
.info-card p{margin:0;color:#b6c3d4}
.source-link{margin-top:auto;padding-top:24px;color:#7dd3fc;font-size:12px;font-weight:700;text-decoration:none}

.tension-list{margin-top:54px;border-top:1px solid var(--line)}
.tension-item{display:grid;grid-template-columns:220px 1fr;gap:44px;align-items:start;padding:28px 0;border-bottom:1px solid var(--line)}
.tension-item span{color:#7dd3fc;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.12em}
.tension-item h3{max-width:790px;margin:0;font-size:clamp(23px,2.4vw,35px);line-height:1.2;letter-spacing:-.035em}

.duality-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:54px}
.duality-panel{min-height:440px;padding:38px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(150deg,rgba(11,23,40,.96),rgba(5,13,26,.96))}
.duality-panel.opportunity{box-shadow:inset 0 1px rgba(94,234,212,.08)}
.duality-panel.risk{box-shadow:inset 0 1px rgba(251,191,36,.06)}
.duality-panel h3{margin:0;font-size:34px;line-height:1.08;letter-spacing:-.045em}
.duality-panel ul{display:grid;gap:16px;margin:28px 0 0;padding:0;list-style:none}
.duality-panel li{position:relative;padding-left:24px;color:#b8c5d7}
.duality-panel li:before{position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:50%;content:"";background:var(--cyan);box-shadow:0 0 13px rgba(6,182,212,.6)}
.risk li:before{background:var(--amber);box-shadow:0 0 13px rgba(251,191,36,.45)}
.standards-note{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;margin-top:20px;padding:33px;border:1px solid var(--line-strong);border-radius:var(--radius);background:rgba(3,12,24,.64)}
.standards-note h3{margin:0;font-size:28px;line-height:1.18}
.standards-links{display:grid;gap:10px}
.standards-links a{padding:11px 0;border-bottom:1px solid var(--line);color:#b9e6ff;text-decoration:none}

.question-list{margin-top:50px;border-top:1px solid var(--line)}
.question-item{border-bottom:1px solid var(--line)}
.question-item summary{position:relative;padding:25px 52px 25px 0;cursor:pointer;list-style:none;font-size:clamp(21px,2.2vw,30px);font-weight:750;line-height:1.25;letter-spacing:-.025em}
.question-item summary::-webkit-details-marker{display:none}
.question-item summary:after{position:absolute;right:4px;top:26px;content:"+";color:#7dd3fc;font-size:28px;font-weight:400}
.question-item[open] summary:after{content:"–"}
.question-item p{max-width:800px;margin:0 0 28px;color:#aebbd0;font-size:17px}

.process-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin:52px 0 0;padding:0;list-style:none;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.process-flow li{min-height:250px;padding:26px 21px;background:linear-gradient(160deg,rgba(14,28,49,.9),rgba(7,17,31,.94))}
.process-flow li+li{border-left:1px solid var(--line)}
.process-flow span{color:#7dd3fc;font-size:11px;font-weight:800;letter-spacing:.15em}
.process-flow strong{display:block;margin-top:40px;font-size:21px;line-height:1.15}
.process-flow p{margin:12px 0 0;color:#aebbd0;font-size:14px}
.evidence-callout{display:flex;justify-content:space-between;gap:30px;margin-top:18px;padding:23px 27px;border:1px solid rgba(6,182,212,.27);border-radius:17px;background:rgba(6,182,212,.055);text-decoration:none}
.evidence-callout span{color:#7dd3fc;font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.evidence-callout strong{color:#e8f8ff}

.ecosystem-section{padding:112px 0;background:radial-gradient(circle at 50% 42%,rgba(33,150,243,.14),transparent 35%),#020817;border-block:1px solid rgba(148,163,184,.13)}
.ecosystem-figure{margin:52px 0 0}
.ecosystem-figure img{width:100%;border:1px solid rgba(125,211,252,.22);border-radius:24px;box-shadow:0 30px 100px rgba(0,0,0,.32)}
.ecosystem-figure figcaption{margin-top:16px;color:#8fa1b8;text-align:center;font-size:12px}
.ecosystem-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px}

.source-card{min-height:260px;color:inherit;text-decoration:none;transition:.2s}
.source-card:hover{transform:translateY(-3px);border-color:rgba(125,211,252,.38)}
.source-card span{color:#7dd3fc;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.source-card strong{margin-top:24px;font-size:21px;line-height:1.2}
.source-card p{margin:15px 0 0;color:#9fb0c5;font-size:14px}
.source-method{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:18px;padding:26px;border:1px solid var(--line);border-radius:17px;background:rgba(15,23,42,.52)}
.source-method span{display:block;color:#7dd3fc;font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.source-method strong{display:block;margin-top:6px}
.source-method a{color:#a5e7ff;font-weight:750;text-decoration:none}

.behind-idea{padding:85px 0;background:linear-gradient(135deg,rgba(6,182,212,.08),rgba(33,150,243,.08))}
.behind-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.behind-grid h2{margin:0;font-size:clamp(37px,4.4vw,60px);line-height:1;letter-spacing:-.05em}
.behind-grid p{margin:0;color:#aebbd0;font-size:17px}
.text-link{display:inline-block;margin-top:23px;color:#a5e7ff;font-weight:750;text-decoration:none}

.site-footer{padding:58px 0 24px;border-top:1px solid rgba(148,163,184,.14);background:#020617}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:45px}
.footer-brand p{max-width:280px;margin:16px 0 0;color:#8fa1b8;font-size:14px}
.footer-grid nav{display:flex;flex-direction:column;gap:10px}
.footer-grid nav strong{margin-bottom:5px;color:#f8fafc;font-size:13px}
.footer-grid nav a{color:#94a3b8;font-size:13px;text-decoration:none}
.footer-grid nav a:hover{color:#e2e8f0}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:20px;border-top:1px solid rgba(148,163,184,.13);color:#64748b;font-size:11px}
.footer-bottom p{margin:0}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}

@media(max-width:980px){
  .site-nav{gap:14px}
  .hero-grid{grid-template-columns:1fr;gap:35px}
  .question-orbit{min-height:500px;max-width:650px;width:100%;margin-inline:auto}
  .strength-grid,.source-grid{grid-template-columns:1fr 1fr}
  .process-flow{grid-template-columns:1fr}
  .process-flow li{min-height:auto;display:grid;grid-template-columns:55px 1fr;gap:8px}
  .process-flow li+li{border-left:0;border-top:1px solid var(--line)}
  .process-flow strong{margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:760px){
  .container{width:min(calc(100% - 28px),var(--max))}
  .site-header{min-height:70px;padding-inline:14px}
  .menu-button{display:block}
  .site-nav{position:fixed;inset:70px 0 auto;display:none;flex-direction:column;align-items:stretch;gap:0;padding:18px 18px 24px;background:rgba(2,6,23,.98);border-bottom:1px solid rgba(148,163,184,.15)}
  .site-nav.is-open{display:flex}
  .site-nav a{padding:13px 0}
  .nav-cta{text-align:center}
  .hero{min-height:auto;padding:120px 0 70px}
  .hero h1{font-size:clamp(52px,16vw,78px)}
  .hero-lead{font-size:18px}
  .question-orbit{min-height:410px;transform:scale(.92)}
  .orbit-core{width:190px;height:190px}
  .orbit-core strong{font-size:25px;margin-top:-55px}
  .orbit-a{top:5%;left:32%}.orbit-b{top:25%;right:-3%}.orbit-c{bottom:16%;right:-2%}.orbit-d{bottom:3%;left:24%}.orbit-e{top:41%;left:-3%}
  .intro-grid,.standards-note,.behind-grid{grid-template-columns:1fr;gap:25px}
  .section,.section-muted,.ecosystem-section{padding:82px 0}
  .section-head h2{font-size:clamp(38px,12vw,58px)}
  .strength-grid,.source-grid,.duality-grid{grid-template-columns:1fr}
  .tension-item{grid-template-columns:1fr;gap:10px}
  .duality-panel{min-height:auto}
  .evidence-callout,.source-method{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}