/* Design system */
:root {
  --bg: #0b1220;
  --card: #0f172a;
  --muted: #94a3b8;
  --text: #e2e8f0;
  --primary: #22c55e;
  --accent: #38bdf8;
  --ring: rgba(56,189,248,.35);
  --radius: 16px;
  --container: 1120px;
  --shadow: 0 10px 30px rgba(0,0,0,.4);
}

* { box-sizing: border-box }
html, body { padding:0; margin:0 }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 50% -10%, #0b2a3a 0%, var(--bg) 40%);
  line-height: 1.6;
}

.container { max-width: var(--container); padding: 0 20px; margin: 0 auto }
.container.narrow { max-width: 800px }

/* Header */
.site-header { position: sticky; top:0; backdrop-filter: blur(10px); background: rgba(11,18,32,.6); border-bottom: 1px solid rgba(148,163,184,.15); z-index: 50 }
.site-header .nav { display:flex; align-items:center; justify-content:space-between; min-height:72px }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; color:var(--text); text-decoration:none }
.logo img { width:28px; height:28px }
nav a { color: var(--muted); text-decoration:none; margin: 0 10px; font-weight:600 }
nav a:hover { color: var(--text) }
nav .btn { margin-left: 6px }

/* Hero */
.hero { padding: 96px 0 40px; text-align:center }
.hero h1 { font-size: clamp(28px, 4vw, 58px); line-height:1.1; margin: 0 0 14px }
.hero .sub { color:var(--muted); font-size: clamp(16px, 2vw, 20px); margin-bottom: 24px }
.cta { display:flex; gap:12px; justify-content:center; flex-wrap:wrap }
.btn { display:inline-block; padding:12px 18px; border-radius: 999px; border: 1px solid rgba(56,189,248,.3); text-decoration:none; font-weight:700; box-shadow: var(--shadow); transition:.2s }
.btn-primary { background: linear-gradient(135deg, var(--primary), #16a34a); color:#04131b; border: none }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 40px rgba(34,197,94,.3) }
.btn-ghost { background: rgba(148,163,184,.07); color: var(--text) }
.btn-ghost:hover { background: rgba(148,163,184,.12) }

/* Stats */
.stats { display:grid; grid-template-columns: repeat(4,1fr); gap:14px; margin: 28px auto 0; max-width:900px }
.stats div { background: linear-gradient(135deg, rgba(56,189,248,.08), rgba(34,197,94,.08)); border:1px solid rgba(148,163,184,.15); padding:16px; border-radius: var(--radius) }
.stats span { display:block; font-weight:800; font-size: 22px }
.stats small { color: var(--muted) }

/* Sections */
section.container { padding: 60px 0 }
h2 { font-size: clamp(22px, 2.6vw, 36px); margin: 0 0 18px }
h3 { font-size: 20px; margin: 0 0 8px }
.features .grid { display:grid; grid-template-columns: repeat(4,1fr); gap:16px }
.features article, .card, .post-card { background: linear-gradient(135deg, rgba(56,189,248,.06), rgba(34,197,94,.06)); border:1px solid rgba(148,163,184,.15); border-radius: var(--radius); padding:18px }

/* Services cards */
.cards { display:grid; grid-template-columns: repeat(3,1fr); gap:16px }
.card ul { margin: 10px 0 12px 18px }
.card li { margin: 6px 0 }

/* Proof */
.proof .logos { display:flex; flex-wrap:wrap; gap:10px; opacity:.8 }
.proof .logos span { background: rgba(148,163,184,.08); border:1px solid rgba(148,163,184,.15); border-radius: 8px; padding: 6px 10px }
.proof blockquote { margin: 18px 0; padding: 12px 16px; border-left: 3px solid var(--accent); background: rgba(56,189,248,.06); border-radius: 6px }

/* Page layout */
.page { padding-top: 64px }
.page p.meta { color: var(--muted); margin: -6px 0 16px }

/* Services */
.service-list { display:grid; grid-template-columns: repeat(2,1fr); gap:16px }
.service-list ul { margin: 10px 0 12px 18px }

/* Pricing */
.price-grid { display:grid; grid-template-columns: repeat(3,1fr); gap:16px }
.price-card { text-align:center }
.price-card .price { font-size:32px; font-weight:800; margin: 6px 0 10px; color: var(--accent) }
.note { color: var(--muted); margin-top: 12px }

/* Blog */
.post-card .meta { color: var(--muted) }
.post-card a { color: var(--text) }
.post-card a:hover { text-decoration: underline }

/* Contact */
form.contact { display:grid; gap:12px }
form.contact label { display:grid; gap:6px; color: var(--muted) }
form.contact input, form.contact select, form.contact textarea {
  background: rgba(2,6,23,.6); border:1px solid rgba(148,163,184,.2); color: var(--text);
  padding: 12px 14px; border-radius: 10px; outline: none;
}
form.contact input:focus, form.contact textarea:focus, form.contact select:focus { box-shadow: 0 0 0 4px var(--ring) }

/* Footer */
.site-footer { margin-top: 60px; padding: 28px 0 36px; background: linear-gradient(180deg, rgba(148,163,184,.06), rgba(2,6,23,.6)) }
.footer-grid { display:grid; grid-template-columns: 2fr 1fr 1fr; gap:16px }
.footer-grid h4 { margin: 0 0 8px }
.footer-grid ul { list-style: none; padding:0; margin:0 }
.footer-grid a { color: var(--muted); text-decoration:none }
.footer-grid a:hover { color: var(--text) }
.copyright { margin-top: 18px; color: var(--muted); text-align:center; border-top:1px solid rgba(148,163,184,.15); padding-top: 14px }

/* Responsive */
@media (max-width: 900px){
  .features .grid, .cards, .price-grid, .service-list, .stats { grid-template-columns: 1fr 1fr }
}
@media (max-width: 640px){
  .features .grid, .cards, .price-grid, .service-list, .stats { grid-template-columns: 1fr }
  nav { display: none }
}