:root{
  --navy:#0a1f33;--deep:#06141f;--panel:#10304a;--line:#1d4a6b;
  --gold:#f6c445;--gold-dark:#d9a222;--aqua:#3cc8e8;--coral:#ff7a59;
  --text:#eef6fb;--muted:#a9c3d6;--radius:18px;
  --font:ui-rounded,"SF Pro Rounded",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--navy);color:var(--text);font:17px/1.6 var(--font);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--aqua)}
a:hover{color:#fff}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}

/* header */
header.top{position:sticky;top:0;z-index:10;background:rgba(6,20,31,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font-weight:900;letter-spacing:.02em;text-transform:uppercase;font-size:15px;line-height:1.05}
.brand b{color:var(--gold);display:block;font-size:19px}
.brand svg{flex:none}
nav a{color:var(--muted);text-decoration:none;font-weight:700;font-size:15px;margin-left:20px}
nav a:hover,nav a[aria-current]{color:#fff}

/* hero */
.hero{position:relative;overflow:hidden;background:var(--deep)}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6;filter:blur(5px) saturate(1.15);transform:scale(1.06)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,20,31,.2) 0%,rgba(6,20,31,.35) 45%,var(--navy) 100%)}
.hero .wrap{position:relative;z-index:1;padding:110px 20px 120px}
.hero h1{margin:0;font-size:clamp(44px,8vw,92px);line-height:.95;font-weight:900;text-transform:uppercase;letter-spacing:-.01em;text-shadow:0 4px 0 rgba(0,0,0,.25)}
.hero h1 span{display:block;color:var(--gold)}
.hero .rule{width:120px;height:6px;border-radius:3px;background:var(--aqua);margin:22px 0}
.hero p.lede{font-size:clamp(18px,2.4vw,23px);max-width:560px;margin:0 0 30px;color:#fff}
.badges{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{display:inline-block;padding:15px 26px;border-radius:14px;font-weight:900;text-transform:uppercase;letter-spacing:.03em;text-decoration:none;font-size:16px}
.btn.gold{background:var(--gold);color:#1a2a36;box-shadow:0 5px 0 var(--gold-dark)}
.btn.gold:hover{color:#1a2a36;transform:translateY(1px);box-shadow:0 4px 0 var(--gold-dark)}
.btn.ghost{border:2px solid rgba(255,255,255,.35);color:#fff}
.soon{color:var(--muted);font-size:15px;font-weight:700}

/* sections */
section{padding:72px 0}
section.alt{background:var(--deep)}
h2{font-size:clamp(28px,4vw,40px);line-height:1.1;margin:0 0 12px;font-weight:900;text-transform:uppercase}
h2 em{font-style:normal;color:var(--gold)}
.sub{color:var(--muted);max-width:640px;margin:0 0 36px;font-size:18px}
.grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.card .body{padding:20px 22px 24px}
.card h3{margin:0 0 6px;font-size:21px;text-transform:uppercase;font-weight:900}
.card p{margin:0;color:var(--muted)}
.tag{display:inline-block;font-size:12px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#1a2a36;background:var(--aqua);border-radius:6px;padding:2px 8px;margin-bottom:10px}
.tag.gold{background:var(--gold)}
.tag.coral{background:var(--coral)}

.split{display:grid;gap:40px;grid-template-columns:1.1fr 1fr;align-items:center}
.split img{border-radius:var(--radius);border:1px solid var(--line)}
ul.ticks{list-style:none;padding:0;margin:0}
ul.ticks li{padding:10px 0 10px 36px;position:relative;border-bottom:1px solid rgba(255,255,255,.06)}
ul.ticks li::before{content:"";position:absolute;left:0;top:15px;width:20px;height:20px;border-radius:50%;background:var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%231a2a36' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
ul.ticks b{color:#fff}

.code{display:inline-block;font:900 30px/1 var(--font);letter-spacing:.12em;color:var(--gold);background:#071724;border:2px solid var(--line);border-radius:12px;padding:14px 20px;margin:4px 0 18px}

.gallery{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.gallery img{border-radius:14px;border:1px solid var(--line);aspect-ratio:16/10;object-fit:cover;width:100%}

/* prose pages */
.page-head{padding:64px 0 28px;background:var(--deep);border-bottom:1px solid rgba(255,255,255,.06)}
.page-head h1{margin:0;font-size:clamp(34px,5vw,52px);font-weight:900;text-transform:uppercase;line-height:1.05}
.page-head p{color:var(--muted);margin:10px 0 0}
.prose{padding:40px 0 80px}
.prose h2{font-size:24px;margin:44px 0 10px;text-transform:none}
.prose h3{font-size:19px;margin:28px 0 6px}
.prose p,.prose li{color:#d6e6f1}
.prose li{margin:6px 0}
.prose table{width:100%;border-collapse:collapse;margin:16px 0;font-size:16px}
.prose th,.prose td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
.prose th{color:#fff;background:var(--panel)}
.callout{background:var(--panel);border:1px solid var(--line);border-left:5px solid var(--gold);border-radius:12px;padding:16px 20px;margin:20px 0}
.callout p{margin:0}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin:12px 0;padding:0 18px}
summary{cursor:pointer;font-weight:800;padding:16px 0;color:#fff;list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"+";display:inline-block;width:22px;color:var(--gold);font-weight:900}
details[open] summary::before{content:"–"}
details > div{padding:0 0 16px 22px}
.contact{display:flex;flex-wrap:wrap;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin:8px 0 36px}
.contact p{margin:0;flex:1 1 260px}

footer{background:var(--deep);border-top:1px solid rgba(255,255,255,.06);padding:36px 0;color:var(--muted);font-size:15px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
footer a{color:var(--muted);text-decoration:none;margin-right:18px}
footer a:hover{color:#fff}

@media (max-width:820px){
  .split{grid-template-columns:1fr}
  nav a{margin-left:14px;font-size:14px}
  .hero .wrap{padding:80px 20px 90px}
  section{padding:56px 0}
}
@media (max-width:420px){
  .brand span{display:none}
  .gallery{grid-template-columns:1fr}
}
.code-label{margin-top:22px;color:var(--muted)}