:root {
  --bg: #0f172a;
  --panel: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #22d3ee;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #0b1020, var(--bg));
}

.container { max-width: 1100px; margin: 0 auto; padding: 2rem; }

.site-header { position: sticky; top: 0; background: rgba(17,24,39,0.7); backdrop-filter: blur(8px); border-bottom: 1px solid #1f2937; z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; max-width: 1100px; margin: 0 auto; padding: 0.75rem 1rem; }
.logo { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: 0.2px; }
.nav-links { list-style: none; display: flex; gap: 1rem; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); text-decoration: none; padding: 0.4rem 0.6rem; border-radius: 6px; }
.nav-links a:hover { color: var(--text); background: #1f2937; }
.nav-toggle { display: none; background: none; color: var(--text); border: 1px solid #334155; border-radius: 6px; padding: 0.35rem 0.5rem; }

.hero { display: grid; place-items: center; min-height: 60vh; text-align: center; padding: 4rem 1rem; background: radial-gradient(60% 80% at 50% 0%, rgba(34,211,238,0.15), transparent), linear-gradient(180deg, #0b1020, var(--bg)); }
.hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 0 0 0.75rem; }
.hero p { color: var(--muted); margin: 0 0 1.5rem; }
.btn { display: inline-block; padding: 0.6rem 1rem; border-radius: 8px; border: 1px solid #334155; color: var(--text); text-decoration: none; background: #111827; }
.btn.primary { border-color: var(--primary); box-shadow: 0 0 40px rgba(34,211,238,0.2); }
.btn:hover { filter: brightness(1.1); }

.features h2, .gallery h2, .contact h2 { margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { padding: 1rem; background: #0b1220; border: 1px solid #1f2937; border-radius: 12px; }
.card h3 { margin: 0 0 0.5rem; }
.card p { margin: 0; color: var(--muted); }

.gallery .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.75rem; }
.gallery img { width: 100%; height: 150px; object-fit: contain; background: #0b1220; border: 1px solid #1f2937; border-radius: 12px; padding: 1rem; }

.contact form { display: grid; gap: 1rem; }
.form-row { display: grid; gap: 0.5rem; }
input, textarea { width: 100%; padding: 0.6rem; border-radius: 8px; border: 1px solid #334155; background: #0b1220; color: var(--text); }
label { color: var(--muted); }
.form-status { color: var(--primary); min-height: 1.25rem; }

.site-footer { text-align: center; padding: 2rem 1rem; color: var(--muted); border-top: 1px solid #1f2937; }

/* Mobile nav */
@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav-links { display: none; position: absolute; right: 1rem; top: 3.1rem; background: #0b1220; border: 1px solid #1f2937; border-radius: 8px; padding: 0.5rem; }
  .nav-links.open { display: grid; gap: 0.25rem; }
}