/* === Root & Reset === */
:root{
  --brand:#0f172a; /* slate-900 */
  --brand-2:#111827; /* gray-900 */
  --accent:#0ea5e9;  /* sky-500 */
  --accent-2:#60a5fa; /* blue-400 */
  --bg:#0b1020;
  --text:#e5e7eb;
  --muted:#94a3b8;
  --card:#111936;
  --ring: rgba(14,165,233,.55);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter,Emoji,Apple Color Emoji,Segoe UI Emoji;
  color:var(--text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(14,165,233,.15), transparent 45%),
              radial-gradient(1000px 500px at 110% -20%, rgba(99,102,241,.12), transparent 40%),
              var(--bg);
}

/* Containers */
.container{width:min(1100px,92vw);margin-inline:auto}

/* Header / Nav */
.site-header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(to bottom, rgba(11,16,32,.9), rgba(11,16,32,.6));
  border-bottom:1px solid rgba(148,163,184,.15);
  backdrop-filter: blur(10px);
}
.nav{display:flex;align-items:center;gap:16px;padding:12px 0}
.brand{font-weight:800;letter-spacing:.25px;color:var(--text);text-decoration:none}
.links{display:flex;gap:10px;margin-left:auto;align-items:center}
.btn-link{
  display:inline-block;
  padding:8px 12px;
  border-radius:10px;
  color:var(--text);opacity:.9;
}
.btn-link:hover{opacity:1;background:rgba(255,255,255,.05)}
.btn-cta{
  display:inline-block;padding:10px 14px;border-radius:999px;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:white;font-weight:700;border:none;text-decoration:none
}
.btn-cta:hover{filter:brightness(1.05)}

/* Mobile nav toggle */
.nav-toggle{
  display:none;gap:4px;flex-direction:column;
  width:40px;height:40px;align-items:center;justify-content:center;
  background:transparent;border:1px solid rgba(148,163,184,.25);border-radius:10px;color:var(--text);
}
.nav-toggle .bar{display:block;width:20px;height:2px;background:var(--text)}
.nav-toggle:focus{outline:3px solid var(--ring);outline-offset:2px}

/* Hero */
.hero{
  padding:96px 0 72px;
  background:radial-gradient(700px 300px at 50% -10%, rgba(14,165,233,.15), transparent 40%);
  text-align:center
}
.hero .kicker{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
.hero h1{font-size:clamp(28px,5vw,48px);line-height:1.1;margin:0 0 12px}
.hero .lede{color:var(--muted);margin:0 auto 24px;max-width:800px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:12px 18px;border-radius:12px;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  color:white;font-weight:700;border:none;text-decoration:none
}
.btn:hover{filter:brightness(1.05)}
.btn-outline{
  background:transparent;border:1px solid rgba(148,163,184,.35);color:var(--text)
}
.btn-outline:hover{background:rgba(255,255,255,.06)}

/* Sections */
.section{padding:64px 0}
.section-title{font-size:clamp(22px,3.4vw,32px);margin:0 0 16px;text-align:center}
.sub{color:var(--muted);text-align:center;margin:0 auto 28px;max-width:900px}

.split{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.card{
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent 40%), var(--card);
  border:1px solid rgba(148,163,184,.12);
  border-radius:18px;padding:18px
}
.list{padding-left:18px;margin:10px 0 0}
.list li{margin:6px 0}

.grid{display:grid;gap:18px}
.g-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.g-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.g-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}

.stats .stat{display:grid;place-items:center;padding:22px 16px;text-align:center}
.stat .stat-num{font-size:36px;letter-spacing:.5px;font-weight:800;margin:6px 0 0}

.cover-img{max-width:100%;height:auto;border-radius:14px;border:1px solid rgba(148,163,184,.15)}

.clients{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:16px;align-items:center;justify-items:center}
.pill{display:inline-block;padding:8px 12px;border:1px solid rgba(148,163,184,.25);border-radius:999px;color:var(--muted)}

.site-footer{
  padding:48px 0;border-top:1px solid rgba(148,163,184,.15);text-align:center;color:var(--muted)
}
.footer-links{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:12px}

/* Responsive */
@media (max-width: 960px){
  .nav-toggle{display:flex}
  .links{
    position:fixed;inset:56px 0 auto 0; /* top offset under header */
    background:rgba(11,16,32,.96);
    backdrop-filter: blur(8px);
    border-bottom:1px solid rgba(148,163,184,.15);
    padding:12px 16px;
    flex-direction:column;gap:6px;
    transform: translateY(-120%);
    transition: transform .25s ease;
  }
  .links.open{ transform: translateY(0); }
  .btn-link, .btn-cta{width:100%;text-align:center}
  .split{grid-template-columns:1fr}
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .links{transition:none}
}