/* Mouse × Turtle — global styles */
:root{
  --bg:#071821; --panel:#0b2a3c; --muted:#a9c5d2; --text:#eaf6ff;
  --brand:#22d3ee; --brand2:#4dd0e1; --ink:#001017; --max:1200px;
  --radius:18px; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,Helvetica,Arial,sans-serif;line-height:1.6}
a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(7,24,33,.9);
  backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav .wrap{max-width:var(--max);margin:0 auto;padding:12px 18px;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.brand{font-weight:800;letter-spacing:.3px}
.nav ul{display:flex;gap:14px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav a{padding:6px 10px;border-radius:10px}
.nav a:hover{background:rgba(255,255,255,.07);text-decoration:none}

/* Hero */
.hero{background:
  radial-gradient(900px 500px at 10% -10%, #0c3b54 0%, transparent 60%),
  radial-gradient(800px 600px at 90% 0%, #062b3c 0%, transparent 60%),
  linear-gradient(180deg,#0a2330,#061a24); padding:90px 20px 70px}
.hero .wrap{max-width:var(--max);margin:0 auto;text-align:center}
.h1{font-size:clamp(32px,5vw,52px);margin:0 0 8px;font-weight:900}
.sub{color:var(--muted);font-size:clamp(16px,2.3vw,20px);max-width:900px;margin:0 auto}
.cta{display:inline-block;margin-top:20px;padding:12px 20px;border-radius:999px;background:var(--brand);
  color:var(--ink);font-weight:800;box-shadow:var(--shadow)}
.cta:hover{filter:brightness(1.06);text-decoration:none}

/* Sections & layout */
.section{padding:56px 20px}
.wrap{max-width:var(--max);margin:0 auto}
.h2{font-size:28px;margin:0 0 16px;font-weight:900}
.p{color:var(--muted)}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--panel);border:1px solid rgba(255,255,255,.07);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{margin:0 0 8px}

/* Key-value list */
.kv{display:grid;grid-template-columns:140px 1fr;gap:10px}
.kv div{padding:6px 0;border-bottom:1px dashed rgba(255,255,255,.08)}

/* Timeline */
.timeline{border-left:2px solid var(--brand2);list-style:none;margin:0;padding:4px 0 4px 16px}
.timeline li{position:relative;margin:14px 0;padding-left:8px}
.timeline li::before{content:"";position:absolute;left:-10px;top:8px;width:10px;height:10px;background:var(--brand2);border-radius:50%}

/* Footer */
.footer{padding:28px 20px;color:var(--muted);border-top:1px solid rgba(255,255,255,.07);background:#081b25}
.footer .wrap{max-width:var(--max);margin:0 auto;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}