:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a24;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --primary: #00f0ff;
  --primary-dark: #00b8c4;
  --accent: #ff0055;
  --accent-dark: #cc0044;
  --success: #10b981;
  --border: #27272a;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  padding-bottom: 80px;
  overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.sticky-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.header-inner { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; }
.logo span { color: var(--primary); }
.menu-toggle { background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero { padding: 60px 0 40px; text-align: center; }
h1 { font-family: var(--font-heading); font-size: clamp(2rem, 6vw, 3.5rem); font-weight: 800; line-height: 1.1; margin-bottom: 16px; }
.gradient-text { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.subheadline { color: var(--text-secondary); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
.player-input { display: flex; gap: 12px; max-width: 500px; margin: 0 auto; }
.player-input input {
  flex: 1; padding: 14px 18px; border-radius: var(--radius-md); border: 1px solid var(--border);
  background: var(--bg-secondary); color: var(--text-primary); font-size: 1rem; outline: none; transition: var(--transition);
}
.player-input input:focus { border-color: var(--primary); box-shadow: var(--shadow-glow); }

/* Buttons */
.btn-primary, .btn-secondary {
  padding: 14px 24px; border-radius: var(--radius-pill); font-weight: 600; cursor: pointer;
  transition: var(--transition); border: none; font-size: 1rem;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #000; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--primary); }

/* Sections */
section { padding: 40px 0; }
.section-title { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 24px; text-align: center; }

/* Game Grid */
.game-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; }
.game-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 20px; text-align: center; cursor: pointer; transition: var(--transition);
}
.game-card:hover, .game-card.active { border-color: var(--primary); background: rgba(0,240,255,0.05); transform: translateY(-4px); }
.game-icon { font-size: 2.5rem; margin-bottom: 8px; }
.game-card h3 { font-size: 1rem; font-weight: 600; }

/* Package Grid */
.package-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 16px; }
.package-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 18px; text-align: center; cursor: pointer; transition: var(--transition); position: relative;
}
.package-card:hover, .package-card.selected { border-color: var(--accent); background: rgba(255,0,85,0.05); }
.package-card .diamonds { font-size: 1.25rem; font-weight: 700; color: var(--text-primary); }
.package-card .price { color: var(--text-secondary); font-size: 0.9rem; margin-top: 4px; }
.package-card.selected::after {
  content: '✓'; position: absolute; top: 8px; right: 8px; background: var(--accent); color: #fff;
  width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.7rem;
}

/* Payment */
.payment-options { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.payment-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 16px 24px; display: flex; align-items: center; gap: 12px; cursor: pointer; transition: var(--transition);
}
.payment-card:hover, .payment-card.selected { border-color: var(--success); background: rgba(16,185,129,0.05); }
.pay-icon { font-size: 1.5rem; }
.pay-name { font-weight: 600; }

/* CTA */
.cta-section { text-align: center; padding: 60px 0 80px; }
.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(0,240,255,0.4); } 70% { box-shadow: 0 0 0 12px rgba(0,240,255,0); } 100% { box-shadow: 0 0 0 0 rgba(0,240,255,0); } }
.secure-note { color: var(--text-muted); margin-top: 16px; font-size: 0.9rem; }

/* Bottom Nav */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; background: rgba(18,18,26,0.95);
  backdrop-filter: blur(10px); border-top: 1px solid var(--border);
  display: flex; justify-content: space-around; padding: 12px 0; z-index: 90;
}
.nav-item { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; display: flex; flex-direction: column; align-items: center; gap: 4px; transition: var(--transition); }
.nav-item.active, .nav-item:hover { color: var(--primary); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: var(--transition); z-index: 200;
}
.modal-overlay.active { opacity: 1; pointer-events: auto; }
.modal-content {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px; text-align: center; max-width: 400px; width: 90%; transform: scale(0.9); transition: var(--transition);
}
.modal-overlay.active .modal-content { transform: scale(1); }
.modal-icon { font-size: 3rem; margin-bottom: 16px; }
.modal-content h3 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 8px; }
.modal-content p { color: var(--text-secondary); margin-bottom: 24px; }

/* Animations */
.fade-in { opacity: 0; transform: translateY(20px); animation: fadeIn 0.6s forwards; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
@keyframes fadeIn { to { opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (max-width: 768px) {
  .player-input { flex-direction: column; }
  .game-grid { grid-template-columns: repeat(3, 1fr); }
  .package-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  .game-grid { grid-template-columns: repeat(2, 1fr); }
}