:root {
  --bg: #0c111b;
  --card: #111827;
  --alt: #0f172a;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --primary: #0ea5e9;
  --primary-700: #0369a1;
  --accent: #22d3ee;
  --success: #22c55e;
  --danger: #ef4444;
  --border: #1f2937;
  --radius: 12px;
  --shadow: 0 6px 20px rgba(0,0,0,0.3);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #0b1220 0%, #0b1220 60%, #0a0f1a 100%);
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute; left: -999px; top: -999px;
}
.skip-link:focus {
  left: 16px; top: 16px; background: #fff; color: #000; padding: 8px 12px; border-radius: 6px;
}

.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(12, 17, 27, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand {
  display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none;
}
.logo {
  width: 36px; height: 36px; border-radius: 8px; display: inline-grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 800; color: #041019;
}
.brand-name { font-weight: 700; letter-spacing: 0.2px; }

.primary-nav ul {
  display: flex; gap: 20px; list-style: none; margin: 0; padding: 0;
}
.primary-nav a {
  color: var(--text); text-decoration: none; padding: 8px 12px; border-radius: 8px;
}
.primary-nav a:hover { background: #0b1626; }
.nav-toggle {
  display: none; border: 0; background: transparent; cursor: pointer; padding: 8px;
}
.nav-toggle-bar {
  display: block; width: 26px; height: 3px; background: var(--text); margin: 4px 0; border-radius: 2px;
}

.hero {
  padding: 80px 0;
  background: radial-gradient(1200px 600px at 10% 10%, rgba(34,211,238,0.18), transparent 40%),
              radial-gradient(1200px 600px at 90% 0%, rgba(14,165,233,0.15), transparent 40%);
}
.hero-inner {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 36px; align-items: center;
}
.hero-copy h1 {
  font-size: 40px; line-height: 1.1; margin: 0 0 12px;
}
.hero-copy p { color: var(--muted); font-size: 18px; margin: 0 0 20px; }
.hero-actions { display: flex; gap: 12px; margin-bottom: 16px; }
.hero-trust { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.hero-trust li { color: var(--muted); }

.hero-art { min-height: 280px; position: relative; }
.hero-art .gradient {
  position: absolute; inset: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(14,165,233,0.25), rgba(34,211,238,0.25));
  box-shadow: 0 10px 40px rgba(14,165,233,0.2), inset 0 0 60px rgba(34,211,238,0.15);
}

.section { padding: 60px 0; }
.section.alt { background: var(--alt); }
.section-header h2 { margin: 0 0 8px; font-size: 28px; }
.section-header p { color: var(--muted); margin: 0 0 24px; }

.cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0 0 12px; }
.card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.expertise {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px;
}

.timeline {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px;
}
.timeline article {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px;
}

.quotes {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
blockquote {
  margin: 0; padding: 18px; background: var(--card); border-left: 4px solid var(--primary); border-radius: var(--radius);
}
blockquote cite { display: block; margin-top: 12px; color: var(--muted); }

.contact-form {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px;
  max-width: 720px;
}
.form-row { display: grid; gap: 8px; margin-bottom: 14px; }
label { font-weight: 600; }
input, select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: #0b1422; color: var(--text);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary); border-color: var(--primary-700);
}
.error { color: var(--danger); font-size: 14px; min-height: 18px; }

.btn {
  display: inline-block; border: 1px solid transparent; border-radius: 999px; padding: 10px 16px; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #041019; font-weight: 700; }
.btn-primary:hover { background: var(--primary-700); color: #fff; }
.btn-secondary { border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: #0b1626; }

.site-footer {
  border-top: 1px solid var(--border); background: rgba(12,17,27,0.7);
}
.footer-inner {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; padding: 28px 0;
}
.footer-links, .footer-contact {
  list-style: none; padding: 0; margin: 0; display: grid; gap: 8px;
}
.footer-bottom { padding: 12px 0 24px; color: var(--muted); }

/* Responsive */
@media (max-width: 1024px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: 1fr 1fr; }
  .quotes { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .grid-3 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-block; }
  .primary-nav { position: absolute; right: 20px; top: 72px; background: #0b1422; border: 1px solid var(--border); border-radius: 12px; display: none; }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; }
}