/* Base */
:root {
  --bg: #0b0d10;
  --card: #12151a;
  --text: #eef2f7;
  --muted: #a7b0c0;
  --brand: #2dd4bf;
  --brand-600: #14b8a6;
  --accent: #60a5fa;
  --danger: #ef4444;
  --container: 1200px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial; background: var(--bg); color: var(--text); line-height: 1.6; }
img { max-width: 100%; display: block; border-radius: 12px; }
a { color: var(--accent); text-decoration: none; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(180%) blur(8px); background: rgba(11,13,16,0.7); border-bottom: 1px solid #1f242d; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-weight: 700; color: var(--text); letter-spacing: 0.5px; }
.logo img { height: 28px; width: auto; vertical-align: middle; margin-right: 8px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 700; }
.nav { display: flex; gap: 18px; }
.nav a { color: var(--muted); padding: 8px 10px; border-radius: 8px; }
.nav a:hover, .nav a.active { color: var(--text); background: #171b22; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 18px; border-radius: 10px; font-weight: 600; }
.btn-primary { background: var(--brand); color: #03120f; }
.btn-primary:hover { background: var(--brand-600); }
.btn-outline { border: 1px solid #263042; color: var(--text); }
.btn-outline:hover { background: #161b22; }

/* Hero */
.hero { padding: 48px 0 16px; background: radial-gradient(1200px 400px at 10% 0%, rgba(45,212,191,0.12), transparent), radial-gradient(1200px 400px at 90% 0%, rgba(96,165,250,0.1), transparent); }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; }
.hero-text h1 { margin: 0 0 12px; font-size: 40px; line-height: 1.1; }
.hero-cta { display: flex; gap: 12px; margin: 16px 0 8px; }
.hero-bullets { margin: 16px 0 0; padding: 0 0 0 18px; color: var(--muted); }
.hero-media img { border-radius: 16px; box-shadow: 0 16px 60px rgba(0,0,0,0.4); }

/* Sections */
.features { padding: 32px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); padding: 16px; border: 1px solid #1b2230; border-radius: 14px; box-shadow: 0 8px 30px rgba(0,0,0,0.25); }
.card h3 { margin: 12px 0 6px; }
.card > img { width: 100%; height: 200px; object-fit: cover; border-radius: 10px; }
.cta-band { padding: 28px 0; background: linear-gradient(90deg, rgba(45,212,191,0.12), rgba(96,165,250,0.12)); border-top: 1px solid #1c2230; border-bottom: 1px solid #1c2230; }
.cta-inner { display: grid; gap: 8px; justify-items: start; }
.longform { padding: 32px 0 48px; }

/* Footer */
.site-footer { border-top: 1px solid #1c2230; padding: 28px 0; background: #0a0c0f; }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 20px; align-items: start; }
.footer-nav { display: grid; gap: 6px; }
.copyright { margin-top: 8px; color: var(--muted); }

/* Utilities */
.link { display: inline-flex; gap: 8px; align-items: center; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}