/* Mobile-first: optimize for phones, then enhance for larger screens */
:root{
  --bg: #0b0f14;
  --card: #0f1520;
  --elev: #121a26;
  --text: #e6e9ef;
  --muted:#9aa4b2;
  --ring: #1c2735;
  --brand: #56b2ff;
  --accent: #7de3a1;
}
*{box-sizing:border-box;-webkit-tap-highlight-color: transparent}
html,body{margin:0;padding:0;font-family:Inter, ui-sans-serif, system-ui, Segoe UI, Roboto, Arial}
body{
  background: radial-gradient(800px 400px at 10% -10%, #10213a, transparent),
              radial-gradient(600px 300px at 100% 0%, #0f2a37, transparent),
              linear-gradient(180deg, #0b0f14, #0c1118);
  color:var(--text); line-height:1.7;
}
.container{max-width:1100px;margin:0 auto;padding:16px}
a{color:inherit;text-decoration:none}
a.link:hover{text-decoration:underline}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 14px;border:1px solid var(--ring);
     background:linear-gradient(180deg, #121a27, #0d141d);border-radius:14px}
.btn.solid{background:linear-gradient(180deg, #57b4ff, #2b89dd);color:#08121c;border-color:#2e7cc3}
.btn.ghost:hover{background:#111825}
.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--ring);border-radius:999px;padding:6px 10px;font-size:13px;background:#0f1622}

/* Sticky nav with horizontal scroll on small screens */
header.nav{position:sticky;top:0;z-index:20;backdrop-filter:saturate(120%) blur(10px);
  background: rgba(11,15,20,.7); border-bottom:1px solid var(--ring)}
header .bar{display:flex;align-items:center;justify-content:space-between;padding:10px 12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 14px #56b2ff88}
.navrail{display:flex;gap:8px;overflow:auto;scrollbar-width:none}
.navrail::-webkit-scrollbar{display:none}
.navrail a{white-space:nowrap;padding:10px 12px;border:1px solid var(--ring);border-radius:12px}
.navrail a:active{transform:scale(.98)}

/* Hero */
.hero{padding:22px 0 10px;display:grid;gap:14px}
h1{font-size:clamp(26px,7vw,48px);line-height:1.15;margin:0 0 6px}
h2{font-size:clamp(18px,4.8vw,24px);margin:0 0 6px}
h3{font-size:16px;margin:0}
.section{scroll-margin-top:86px;margin-top:26px}
.card{background:linear-gradient(180deg, #0e1521, #0c121a);border:1px solid var(--ring);border-radius:16px;padding:14px}
.grid{display:grid;gap:12px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
/* Larger screens: enhance grids */
@media(min-width:760px){
  .container{padding:20px}
  .grid-2{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .hero{grid-template-columns:1.3fr .9fr;gap:18px;padding-top:40px}
  h3{font-size:18px}
}
/* Timeline */
.timeline{position:relative;padding-left:18px}
.timeline::before{content:"";position:absolute;left:6px;top:4px;bottom:4px;width:2px;background:linear-gradient(#25405c,#20364f)}
.timeline .node{position:relative;margin:0 0 12px 0}
.timeline .node::before{content:"";position:absolute;left:-12px;top:6px;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px #56b2ff66}
.list{margin:8px 0 0 18px}
.footer{color:var(--muted);text-align:center;padding:26px 0}
.split{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.pill{border:1px solid var(--ring);border-radius:12px;padding:8px 12px;font-size:14px;background:#0f1622}
.signature{opacity:.9;max-height:44px}

/* Touch targets & spacing on phones */
button, .btn, .navrail a {min-height:44px}
.card ul li{margin:6px 0}
.contact-grid .card{padding:16px}