/* Dark Theme */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #121212;
  color: #e0e0e0;
}

h1, h2, h3, h4 {
  margin: 0;
}

p {
  margin: 0.5em 0;
  color: #bbb;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background-color: #1f1f1f;
  border-bottom: 1px solid #333;
  z-index: 1000;
  padding: 10px 20px;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-inner .logo {
  font-size: 32px;
}

/* Main */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Welcome */
.welcome {
  text-align: center;
  padding: 40px 20px;
}

.welcome h2 {
  font-size: 2.5rem;
  color: #ffcc00;
}

.welcome p {
  font-size: 1.2rem;
  color: #bbb;
}

/* Packages Grid */
.packages-section {
  text-align: center;
  margin: 40px 0;
}

.packages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.package-card {
  background-color: #1e1e1e;
  border-radius: 10px;
  padding: 20px;
  border: 1px solid #333;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
}

.package-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(255,204,0,0.4);
  border-color: #ffcc00;
}

.package-card.popular::after {
  content: 'POPULAR';
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: #ff6600;
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 6px;
}

/* Package selection highlight animation */
.package-card.selected {
  animation: highlight 0.4s ease forwards;
}

@keyframes highlight {
  0% { transform: scale(1); box-shadow: 0 0 0 rgba(255,204,0,0); border-color: #ffcc00; }
  50% { transform: scale(1.05); box-shadow: 0 8px 25px rgba(255,204,0,0.6); }
  100% { transform: scale(1); box-shadow: 0 6px 20px rgba(255,204,0,0.4); }
}

/* Promotional Banner */
.promo-banner {
  background: linear-gradient(135deg, #ff6600, #ffcc00);
  color: #121212;
  border-radius: 15px;
  padding: 25px 20px;
  margin-bottom: 40px;
  position: relative;
  text-align: center;
  transition: all 0.5s ease;
}

.promo-banner h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.promo-banner p {
  font-size: 1.1rem;
  margin-bottom: 15px;
}

.promo-banner button {
  background-color: #121212;
  color: #ffcc00;
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  transition: transform 0.3s, background 0.3s;
}

.promo-banner button:hover {
  transform: scale(1.05);
  background-color: #333;
}

/* Sticky banner for mobile */
.sticky-banner {
  position: sticky;
  top: 70px;
  z-index: 900;
}

/* Payment Instructions */
.payment-instructions {
  background: #1f1f1f;
  padding: 20px;
  border-radius: 15px;
  margin-bottom: 40px;
  border: 1px solid #333;
}

.instructions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.instructions-grid ol {
  padding-left: 20px;
}

.small {
  font-size: 0.85rem;
  color: #888;
}

/* Footer */
.footer-info {
  text-align: center;
  padding: 20px 0;
  font-size: 0.85rem;
  color: #888;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.8);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: #1e1e1e;
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  width: 90%;
  max-width: 400px;
  animation: fadeIn 0.3s ease-in-out;
  color: #fff;
}

@keyframes fadeIn {
  from {opacity: 0; transform: translateY(-20px);}
  to {opacity: 1; transform: translateY(0);}
}

.close-button {
  float: right;
  font-size: 24px;
  cursor: pointer;
}

/* Buttons */
.pay-button {
  background-color: #ffcc00;
  color: #121212;
  border: none;
  padding: 12px 25px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  margin-top: 15px;
  transition: transform 0.3s, background 0.3s;
}

.pay-button:hover {
  transform: scale(1.05);
  background-color: #ffdd33;
}

/* Sticky Bottom Bar */
.sticky-bar {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: #1f1f1f;
  border-top: 1px solid #333;
  padding: 10px 20px;
  text-align: center;
  z-index: 900;
}

.view-packages-btn {
  padding: 12px 25px;
  background: #ffcc00;
  color: #121212;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: bold;
  transition: transform 0.3s, background 0.3s;
}

.view-packages-btn:hover {
  transform: scale(1.05);
  background: #ffdd33;
}

/* Mobile adjustments */
@media (max-width: 600px) {
  .promo-banner {
    padding: 20px 10px;
  }
  .welcome h2 {
    font-size: 2rem;
  }
  .welcome p {
    font-size: 1rem;
  }
  .packages-grid {
    gap: 15px;
  }
}