/* Global reset */
* { box-sizing: border-box; }
html,body { height: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background: linear-gradient(180deg,#0b1220 0%, #0f1724 100%);
  color: #e6eef8;
  -webkit-font-smoothing:antialiased;
}
.container { max-width: 1100px; margin: 0 auto; padding: 24px; }

/* Header */
.site-header { background: rgba(255,255,255,0.02); border-bottom: 1px solid rgba(255,255,255,0.03); }
.header-inner { display:flex; align-items:center; justify-content:space-between; gap:16px; }
.brand h1 { margin:0; font-size:20px; }
.tagline { margin:0; font-size:12px; color:#9fb1d8; }
.site-nav a { color:#cfe6ff; margin-left:16px; text-decoration:none; font-weight:600; }
.site-nav a:hover { color:#fff; text-decoration:underline; }

/* Hero */
.hero { padding:48px 0; text-align:center; }
.hero h2 { margin:0 0 8px 0; font-size:28px; }
.hero p { margin:0 0 16px 0; color:#bcd3f5; }
.hero-actions .btn { display:inline-block; margin:6px; padding:10px 16px; border-radius:8px; text-decoration:none; }
.btn.primary { background:#4f46e5; color:#fff; }
.btn { background:rgba(255,255,255,0.03); color:#cfe6ff; border:1px solid rgba(255,255,255,0.04); }

/* Grid */
.section-title { font-size:20px; margin:8px 0 18px 0; }
.section-grid { padding:32px 0; }
.grid { display:grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap:18px; }
.card { background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); padding:16px; border-radius:12px; border:1px solid rgba(255,255,255,0.03); text-decoration:none; color:inherit; display:block; }
.card img { width:100%; height:auto; border-radius:8px; margin-bottom:12px; }
.card h4 { margin:0 0 6px 0; }
.card p { margin:0; color:#bcd3f5; font-size:14px; }
.card:hover { transform:translateY(-6px); box-shadow:0 12px 30px rgba(15,23,42,0.6); border-color: rgba(79,70,229,0.6); }

/* Contact */
.contact p { color:#a9c2e6; }
.muted { color:#90a9d1; font-size:13px; }

/* Footer */
.site-footer { border-top:1px solid rgba(255,255,255,0.03); padding:18px 0; text-align:center; color:#9fb1d8; font-size:13px; }

/* Small screens */
@media (max-width:600px){
  .header-inner{ flex-direction:column; align-items:flex-start; }
  .site-nav{ align-self:stretch; display:flex; gap:8px; flex-wrap:wrap; }
  .hero h2{ font-size:20px; }
}

/* Back button (kept for legacy pages) */
#back-button{ position:fixed; top:12px; left:12px; background:#3b3b3b; color:#fff; padding:8px; border-radius:8px; text-decoration:none; }
#back-button:hover{ background:#2d47b7; }