/* RoundHelix site styles — DRAFT 2026-11-11. System fonts only, no external assets. */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;overflow-x:clip;font-family:"Segoe UI Variable","Segoe UI",Arial,sans-serif;font-size:17px;line-height:1.6;background:#17191C;color:#fff;-webkit-font-smoothing:antialiased}
:root{--char:#17191C;--surf:#25282D;--surf2:#2C3036;--paper:#F7F7F5;--or:#C96B45;--or-t:#E0906E;--mut:#B6BAC1;--bd:#686E78;--line:rgba(255,255,255,.09)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;margin:0}
p{margin:0}
ul{margin:0;padding:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--or);color:#000;padding:10px 16px;border-radius:8px;font-weight:600}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--or-t);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Lockup: mark D, gap .20D, clear space >= .25D */
.lockup{--D:36px;display:inline-flex;align-items:center;gap:calc(var(--D)*.2);padding:calc(var(--D)*.25);margin:calc(var(--D)*-.25);text-decoration:none}
.lockup img{width:var(--D);height:var(--D)}
.lockup span{font-size:calc(var(--D)*.62);font-weight:700;letter-spacing:-.01em}
.lockup em{font-style:normal;font-weight:400;color:var(--or-t)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(23,25,28,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.nav{display:flex;align-items:center;gap:28px}
.nav ul{display:flex;gap:26px;list-style:none;align-items:center}
.nav a{text-decoration:none;color:var(--mut);font-size:15px}
.nav a:hover{color:#fff}
.nav .minor{font-size:13px;padding-left:20px;border-left:1px solid rgba(255,255,255,.18)}
.menu-toggle{display:none}
.menu-btn{display:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:16px;line-height:1.2;padding:14px 22px;border-radius:9999px;text-decoration:none;border:1px solid transparent}
.btn-pri{background:var(--or);color:#000}
.btn-pri:hover{background:#D67B55}
.btn-sec{border-color:var(--bd);color:#fff}
.btn-sec:hover{border-color:#fff}
.btn-sm{padding:10px 18px;font-size:14px}
.nav .btn-pri{color:#000}

/* Type helpers */
.eyebrow{display:block;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--or-t);margin-bottom:18px}
.accent{color:var(--or)}
.lead{font-size:20px;line-height:1.55;color:#D9DCE1}
.muted{color:var(--mut)}
section,[id]{scroll-margin-top:90px}
.section{padding:88px 0;border-top:1px solid var(--line)}
.section h2{font-size:40px;margin-bottom:16px}
.section .intro{max-width:720px;color:#D9DCE1;font-size:18px}

/* Hero */
.hero{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:40px;padding:56px 0 48px}
.hero h1{font-size:64px;line-height:1.03;letter-spacing:-.03em;margin-bottom:24px}
.hero .lead{max-width:600px;margin-bottom:32px}
.ctas{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-note{max-width:640px;margin-top:18px;font-size:15px;color:var(--mut)}
.art{position:relative;display:flex;align-items:center;justify-content:center;min-height:420px}
.art::before{content:"";position:absolute;inset:-30px;background:radial-gradient(closest-side,rgba(201,107,69,.28),rgba(201,107,69,0) 70%)}
.art::after{content:"";position:absolute;width:500px;height:500px;max-width:110%;aspect-ratio:1;border-radius:50%;border:1px solid rgba(255,255,255,.07)}
.art img{position:relative;width:390px;filter:drop-shadow(0 30px 50px rgba(0,0,0,.55))}

/* CAIO strip */
.caio{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;background:var(--surf);border-left:3px solid var(--or);padding:18px 24px;border-radius:0 12px 12px 0;color:#D9DCE1;margin-bottom:64px}
.caio strong{color:#fff}

/* Services */
.svc{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.svc .num{text-transform:uppercase;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--or-t);margin-bottom:12px;display:block}
.svc h2 .accent{display:block}
.svc .thread{margin-top:22px;padding:14px 18px;border-radius:12px;background:rgba(201,107,69,.10);border:1px solid rgba(201,107,69,.35);font-size:15.5px;color:#E7E3E0}
.svc .thread strong{color:#fff}
.list{list-style:none;display:grid;gap:12px}
.list li{background:var(--surf);border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:16px 18px 16px 48px;position:relative;color:#D9DCE1;font-size:16px}
.list li::before{content:"";position:absolute;left:18px;top:22px;width:12px;height:12px;border-radius:3px;background:var(--or);transform:rotate(45deg)}
.list li strong{color:#fff;display:block;margin-bottom:2px}
.apps{display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center;border:1px dashed var(--bd);border-radius:16px;padding:28px 32px}
.apps h2{font-size:26px;margin-bottom:6px}
.apps .tag{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--or-t)}
.apps img{width:56px;height:56px}

/* Steps */
.steps{padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px;list-style:none;counter-reset:s}
.steps li{background:var(--surf);border-radius:16px;padding:26px;border:1px solid rgba(255,255,255,.06);counter-increment:s}
.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;background:var(--char);border:1px solid var(--bd);color:var(--or-t);font-weight:700;font-size:18px;margin-bottom:16px}
.steps h3{font-size:20px;margin-bottom:8px}
.steps p{color:var(--mut);font-size:15.5px}
.small-note{margin-top:20px;font-size:15px;color:var(--mut)}

/* Examples */
.examples{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px;list-style:none}
.examples li{border:1px solid var(--line);border-radius:12px;padding:18px 20px;font-size:17px;color:#fff;background:rgba(255,255,255,.02)}
.examples li span{display:block;font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--or-t);margin-bottom:6px}
.label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 10px;border-radius:999px;border:1px solid var(--bd);color:var(--mut);margin-bottom:14px}

/* EOS + About */
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:var(--surf);border-radius:16px;padding:32px;border:1px solid rgba(255,255,255,.06)}
.panel h2{font-size:28px;margin-bottom:12px}
.panel p+p{margin-top:12px}
.panel p{color:#D9DCE1}
.facts{list-style:none;display:grid;gap:10px;margin-top:18px}
.facts li{padding-left:22px;position:relative;color:#D9DCE1}
.facts li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;background:var(--or)}

/* FAQ */
.faq{margin-top:28px;display:grid;gap:12px}
.faq details{background:var(--surf);border-radius:12px;border:1px solid rgba(255,255,255,.06)}
.faq summary{cursor:pointer;list-style:none;padding:20px 56px 20px 22px;font-weight:600;font-size:18px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:14px;font-size:26px;color:var(--or-t);font-weight:400}
.faq details[open] summary::after{content:"\2013"}
.faq details p{padding:0 22px 20px;color:#D9DCE1}

/* Final CTA */
.final{text-align:center;padding:96px 0;border-top:1px solid var(--line);background:radial-gradient(600px 300px at 50% 0,rgba(201,107,69,.16),transparent 70%)}
.final h2{font-size:44px;margin-bottom:14px}
.final p{max-width:620px;margin:0 auto;color:#D9DCE1;font-size:18px}
.final .ctas{justify-content:center}
.contact-box{margin:36px auto 0;max-width:560px;border:1px dashed var(--bd);border-radius:14px;padding:20px 24px;color:var(--mut);font-size:15.5px}
.contact-box strong{color:#fff}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:32px 0;font-size:14px;color:var(--mut)}
.site-footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.site-footer .lockup{--D:28px;color:#fff}
.site-footer nav ul{display:flex;gap:20px;list-style:none;flex-wrap:wrap}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:#fff}

/* ---------- Games theme ---------- */
body.games{background:#1C1A19}
body.games .site-header{background:rgba(28,26,25,.94)}
.games-bg{background:radial-gradient(900px 520px at 78% 300px,rgba(201,107,69,.22),transparent 70%),radial-gradient(600px 400px at 0% 100%,rgba(201,107,69,.08),transparent 70%)}
.g-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding:64px 0 72px}
.g-hero h1{font-size:72px;line-height:1.02;letter-spacing:-.03em;font-weight:800;margin-bottom:24px}
.g-hero .lead{color:#DCD6D2;max-width:560px;margin-bottom:32px}
body.games .btn-sec{border-color:#6A635E}
.table{position:relative;height:480px}
.tile{position:absolute;border-radius:22px;display:flex;align-items:center;justify-content:center;box-shadow:0 24px 50px rgba(0,0,0,.45)}
.tile img{width:62%}
.t1{width:44%;aspect-ratio:1;background:#25282D;left:8%;top:6%;transform:rotate(-8deg)}
.t2{width:36%;aspect-ratio:1;background:var(--paper);left:54%;top:20%;transform:rotate(7deg)}
.t3{width:30%;aspect-ratio:1;background:var(--or);left:26%;top:58%;transform:rotate(14deg)}
.pip{position:absolute;width:12%;aspect-ratio:1;border-radius:50%;background:#000}
.hex{position:absolute;left:66%;top:62%;width:27%;aspect-ratio:150/170;background:#2F2B29;clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);display:flex;align-items:center;justify-content:center;color:var(--or-t);font-weight:800;font-size:40px;transform:rotate(-6deg)}
.g-section{padding:80px 0;border-top:1px solid rgba(255,255,255,.08)}
.g-section h2{font-size:38px;margin-bottom:16px}
.g-two{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.g-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:26px}
.g-card .k{font-size:12px;letter-spacing:.12em;font-weight:700;color:var(--or-t);margin-bottom:8px;display:block}
.g-card h3{font-size:22px;margin-bottom:8px}
.g-card p{color:#CFC8C3;font-size:16px}
.g-three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.g-news{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;background:linear-gradient(135deg,rgba(201,107,69,.18),rgba(201,107,69,.04));border:1px solid rgba(201,107,69,.35);border-radius:20px;padding:40px}
.g-news h2{margin-bottom:10px}
.g-news p{color:#DCD6D2}
.g-news .placeholder{border:1px dashed #6A635E;border-radius:12px;padding:16px 18px;color:#CFC8C3;font-size:15px}
.g-back{text-align:center;padding:56px 0}
.g-back p{color:#CFC8C3;margin-bottom:16px}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .nav ul{gap:18px}
  .hero h1{font-size:54px}
}
@media (max-width:900px){
  .wrap{padding:0 20px}
  .site-header .wrap{height:64px}
  .lockup{--D:30px}
  .menu-btn{display:inline-flex;flex-direction:column;gap:5px;padding:12px;cursor:pointer;border-radius:8px}
  .menu-btn span{display:block;width:22px;height:2px;background:#fff;border-radius:2px}
  .menu-toggle{display:block;position:absolute;opacity:0;width:1px;height:1px}
  .menu-toggle:focus-visible + .menu-btn{outline:3px solid var(--or-t);outline-offset:2px}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#17191C;border-bottom:1px solid var(--line);padding:16px 20px 24px;flex-direction:column;align-items:stretch;gap:16px}
  body.games .nav{background:#1C1A19}
  .menu-toggle:checked ~ .nav{display:flex}
  .nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav ul a{display:block;padding:12px 0;font-size:17px;color:#fff;border-bottom:1px solid var(--line)}
  .nav .minor{border-left:0;padding-left:0;font-size:17px}
  .hero,.g-hero{grid-template-columns:1fr;gap:8px;padding:28px 0 40px}
  .art{order:-1;min-height:260px}
  .art img{width:230px}
  .art::after{display:none}
  .art::before{inset:0}
  .hero h1{font-size:42px}
  .g-hero h1{font-size:48px}
  .lead{font-size:18px}
  .ctas{flex-direction:column;align-items:stretch}
  .caio{margin-bottom:40px;flex-direction:column;gap:4px}
  .section{padding:60px 0}
  .section h2,.g-section h2{font-size:32px}
  .svc,.two,.g-two,.g-three,.g-news{grid-template-columns:1fr;gap:24px}
  .steps,.examples{grid-template-columns:1fr}
  .apps{grid-template-columns:1fr;gap:16px;padding:24px}
  .final{padding:64px 0}
  .final h2{font-size:34px}
  .table{height:340px;max-width:420px;margin:0 auto;width:100%;order:-1}
  .hex{font-size:28px}
  .g-section{padding:56px 0}
  .g-news{padding:28px}
  .site-footer .wrap{flex-direction:column;align-items:flex-start}
}