/* Minimal, evergreen style system */
:root {
  --bg: #ffffff;
  --fg: #133252;
  --muted: #4a698a;
  --brand-1: #1fc2ec;
  --brand-2: #2dfba3;
  --radius: 16px;
  --space: 16px;
  --maxw: 960px;
}

* { box-sizing: border-box; }
html, body { margin:0; padding:0; }
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }

.skip-link {
  position: absolute; left: -999px; top: 0; padding: 8px 12px; background: var(--brand-1); color:#fff; border-radius: 8px;
}
.skip-link:focus { left: 8px; top: 8px; }

/* Header / Nav */
.site-header { position: sticky; top:0; backdrop-filter: blur(6px); background: rgba(255,255,255,0.8); border-bottom: 1px solid #eef2f6; z-index: 10; }
.nav { display:flex; align-items:center; justify-content:space-between; gap: 12px; max-width: var(--maxw); margin: 0 auto; padding: 12px 16px; }
.brand { font-weight:700; text-decoration:none; color: var(--fg); }
.nav-toggle { display:none; border: 1px solid #e2e8f0; background:#fff; padding: 8px 10px; border-radius: 10px; }
.nav-menu { display:flex; gap: 16px; list-style:none; margin:0; padding:0; }
.nav-menu a { text-decoration:none; color: var(--fg); font-weight:500; padding:8px 6px; border-radius: 8px; }
.nav-menu a:hover, .nav-menu a:focus { background: #f1f5f9; }

@media (max-width: 720px) {
  .nav-toggle { display:inline-block; }
  .nav-menu { display:none; flex-direction:column; gap:8px; padding:12px 0; }
  .nav-menu.open { display:flex; }
}

/* Hero */
.hero { padding: 72px 0; background: radial-gradient(circle at 20%% 10%%, rgba(31,194,236,0.08), transparent 40%%), radial-gradient(circle at 80%% 0%%, rgba(45,251,163,0.08), transparent 35%%); }
.hero-title { font-size: clamp(28px, 4vw, 44px); line-height:1.15; margin: 0 0 12px; }
.hero-subtitle { color: var(--muted); margin: 0 0 20px; max-width: 60ch; }
.cta-row { display:flex; flex-wrap:wrap; gap: 12px; }
.btn { display:inline-block; padding: 10px 16px; border-radius: 10px; text-decoration:none; font-weight:600; border:1px solid transparent; }
.btn-primary { background: var(--fg); color:#fff; }
.btn-primary:hover { opacity:0.95; }
.btn-secondary { background: #fff; color: var(--fg); border-color:#e2e8f0; }
.btn-secondary:hover { background:#f8fafc; }
.btn-link { color: var(--fg); text-decoration: none; border-bottom: 2px solid var(--brand-1); padding-bottom: 2px; }
.btn-link:hover { opacity:0.9; }

.section { padding: 56px 0; }
.section h2 { font-size: clamp(22px, 3vw, 32px); margin: 0 0 12px; }
.section p { margin: 0 0 12px; }

.pillars { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; list-style:none; padding:0; margin: 16px 0 0; }
.pillars li { border:1px solid #eef2f6; border-radius: var(--radius); padding: 16px; background: #fff; }
.pillars h3 { margin: 0 0 8px; font-size: 18px; }
@media (max-width: 720px) { .pillars { grid-template-columns: 1fr; } }

/* Socials */
.socials { list-style:none; padding:0; margin:16px 0 0; display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:12px; }
.socials a { display:flex; align-items:center; gap:10px; text-decoration:none; color: var(--fg); padding: 12px 14px; border:1px solid #eef2f6; border-radius: 12px; }
.socials a:hover, .socials a:focus { background:#f8fafc; }

/* Footer */
.site-footer { border-top:1px solid #eef2f6; padding: 24px 0; color: var(--muted); font-size: 14px; }
.site-footer a { color: inherit; }