:root {
  --bg: #0f1115;
  --card: #171a21;
  --accent: #4caf50;
  --accent-dark: #3d8b40;
  --text: #e6e6e6;
  --muted: #9aa0a6;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.5;
}
code { background: #000; padding: 2px 8px; border-radius: 4px; color: var(--accent); }

.hero {
  background: linear-gradient(rgba(15,17,21,.75), rgba(15,17,21,.95)),
    url("https://images.unsplash.com/photo-1587573089734-599851b2c3f1?w=1600") center/cover;
  min-height: 70vh; display: flex; flex-direction: column;
}
.nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 6vw;
}
.logo { font-size: 24px; font-weight: 800; }
.logo span { color: var(--accent); }
.ip button, .btn-primary, #buy-btn {
  background: var(--accent); color: #fff; border: none; cursor: pointer;
  padding: 8px 16px; border-radius: 6px; font-weight: 600;
}
.ip button:hover, .btn-primary:hover { background: var(--accent-dark); }
.hero-inner { margin: auto; text-align: center; padding: 0 6vw; }
.hero-inner h1 { font-size: clamp(28px, 5vw, 52px); }
.hero-inner p { color: var(--muted); margin: 16px 0 28px; }
.btn-primary { display: inline-block; padding: 14px 32px; font-size: 16px; text-decoration: none; }

.shop { max-width: 1100px; margin: 60px auto; padding: 0 6vw; text-align: center; }
.shop h2 { font-size: 32px; }
.sub { color: var(--muted); margin: 8px 0 32px; }
.packages { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.card {
  background: var(--card); border: 1px solid #262a33; border-radius: 12px;
  padding: 28px; text-align: left; transition: transform .15s, border-color .15s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); }
.card h3 { font-size: 24px; }
.card .price { font-size: 32px; font-weight: 800; color: var(--accent); margin: 8px 0 16px; }
.card ul { list-style: none; margin-bottom: 20px; }
.card li { padding: 4px 0; color: var(--muted); }
.card li::before { content: "✓ "; color: var(--accent); }
.card .btn-primary { width: 100%; text-align: center; }

footer { text-align: center; padding: 40px; color: var(--muted); border-top: 1px solid #262a33; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.7); display: flex; align-items: center; justify-content: center; z-index: 10; }
.modal.hidden { display: none; }
.modal-box { background: var(--card); padding: 32px; border-radius: 12px; width: 90%; max-width: 400px; position: relative; }
.modal-box label { display: block; margin: 16px 0 6px; color: var(--muted); }
.modal-box input { width: 100%; padding: 12px; border-radius: 6px; border: 1px solid #333; background: #0f1115; color: var(--text); font-size: 16px; }
.modal-box .btn-primary { margin-top: 20px; width: 100%; }
.close { position: absolute; top: 12px; right: 16px; background: none; border: none; color: var(--muted); font-size: 28px; cursor: pointer; }
.error { color: #ff6b6b; min-height: 20px; margin-top: 8px; }