:root {
  --bg: #0f172a;
  --bg-alt: #111827;
  --card: #0b1220;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #60a5fa;
  --accent-2: #93c5fd;
  --border: #1f2937;
  --pay-btn: #00d924;
  --pay-btn-hover: #00c220;
}
* { box-sizing: border-box; }
html, body { 
  margin: 0; 
  padding: 0; 
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; 
  color: var(--text); 
  background: url('background.jpg') center center / cover no-repeat fixed, linear-gradient(180deg, var(--bg), var(--bg-alt));
  position: relative;
}
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.85);
  z-index: -1;
}
a { color: var(--accent); text-decoration: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(8px); background: rgba(15,23,42,0.65); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; }
.brand img { height: 42px; display: block; }
.nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--text); opacity: .9; font-weight: 500; }
.nav a.cta { padding: 10px 14px; border-radius: 12px; background: var(--accent); color: #0b1220; font-weight: 700; }
.menu-btn { display: none; font-size: 26px; background: transparent; border: none; color: var(--text); }

/* Hero */
.hero { padding: 72px 0 48px; border-bottom: 1px solid var(--border); }
.hero-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
h1 { font-size: 44px; margin: 0 0 8px; }
.tagline { font-weight: 600; font-size: 18px; color: var(--accent-2); margin: 0 0 14px; }
.sub { color: var(--muted); max-width: 62ch; }
.hero-ctas { margin-top: 20px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 12px 16px; border-radius: 12px; border: 1px solid var(--border); color: var(--text); transition: all 0.2s ease; }
.btn.primary { background: var(--accent); color: #0b1220; border-color: transparent; font-weight: 700; }
.btn.pay { background: var(--pay-btn); color: #0b1220; border-color: transparent; font-weight: 700; }
.btn.pay:hover { background: var(--pay-btn-hover); transform: translateY(-1px); }
.logo-hero { width: 100%; height: auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,.35)); }

/* Sections */
.section { padding: 64px 0; }
.section.alt { background: rgba(255,255,255,0.02); }
.section h2 { font-size: 32px; margin: 0 0 18px; }
.grid.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 18px; }
.card h3 { margin-top: 0; }
.ticks { list-style: none; padding-left: 0; color: var(--muted); }
.ticks li::before { content: "✓"; margin-right: 8px; color: var(--accent); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 22px; }
.contact-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 18px; }
.contact-card .pay-section { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.contact-form { display: grid; gap: 10px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 18px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 12px 12px; border-radius: 12px; border: 1px solid var(--border); background: #0f172a; color: var(--text); }
.form-note { color: var(--muted); font-size: 14px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 26px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; }
.footer-nav { display: flex; gap: 16px; }

/* Responsive */
@media (max-width: 940px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .grid.cards { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .menu-btn { display: block; }
}
@media (max-width: 560px) {
  h1 { font-size: 34px; }
  .grid.cards { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
}