/* ===== Mobile Burger Menu (pure CSS) ===== */
@media (max-width: 900px) {
  /* Ensure header container can position the dropdown */
  header nav > div {
    position: relative;
  }

  /* Hide desktop nav under 900px */
  .desktop-nav {
    display: none !important;
  }

  /* Burger visible */
  .nav-burger {
    display: inline-flex;
    align-items: center;
  }

  /* Mobile menu base state */
  .mobile-menu {
    display: block;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  /* Expand when checkbox checked */
  .nav-toggle:checked ~ .mobile-menu {
    max-height: 480px; /* enough to show links */
  }
}

/* Smooth transition for mobile menu items */
@media (max-width: 900px) {
  .mobile-menu a {
    transition: color 0.2s ease, background-color 0.2s ease;
  }
}

/* ===== Footer responsive grid ===== */
@media (max-width: 900px) {
  footer .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  footer .grid {
    grid-template-columns: 1fr;
  }
}
/* TopSlotsPortugal - Custom CSS Styles */
/* Esquema de cores: Azul, Prata, Cinza */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Custom Color Variables */
:root {
  --primary-blue: #1e40af;
  --secondary-blue: #3b82f6;
  --light-blue: #60a5fa;
  --dark-blue: #1e3a8a;

  --primary-silver: #94a3b8;
  --secondary-silver: #cbd5e1;
  --light-silver: #e2e8f0;
  --dark-silver: #64748b;

  --primary-gray: #374151;
  --secondary-gray: #4b5563;
  --light-gray: #6b7280;
  --dark-gray: #1f2937;

  --accent-color: #fbbf24;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
}

/* Typography - Logo Font */
.logo-font {
  font-family: "Orbitron", monospace;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

/* Custom gradients */
.bg-silver-gradient {
  background: linear-gradient(
    135deg,
    var(--primary-silver),
    var(--secondary-silver)
  );
}

.silver-gradient-text {
  background: linear-gradient(
    135deg,
    var(--light-silver),
    var(--primary-silver)
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Custom button styles */
.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
  background: linear-gradient(
    135deg,
    var(--primary-silver),
    var(--secondary-silver)
  );
  border: none;
  transition: all 0.3s ease;
  color: var(--dark-gray);
}

.btn-secondary:hover {
  background: linear-gradient(
    135deg,
    var(--secondary-silver),
    var(--light-silver)
  );
  transform: translateY(-2px);
}

/* Card hover effects */
.card-hover {
  transition: all 0.3s ease;
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.card-hover:hover {
  transform: translateY(-5px);
  border-color: var(--secondary-blue);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(59, 130, 246, 0.2);
}

/* Rating stars */
.rating-stars {
  color: var(--accent-color);
  text-shadow: 0 0 5px rgba(251, 191, 36, 0.5);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--dark-gray);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(
    135deg,
    var(--primary-blue),
    var(--secondary-blue)
  );
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, var(--secondary-blue), var(--light-blue));
}

/* Animated backgrounds */
.animated-bg {
  position: relative;
  overflow: hidden;
}

.animated-bg::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(59, 130, 246, 0.1),
    transparent
  );
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* Loading spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(59, 130, 246, 0.3);
  border-top: 4px solid var(--secondary-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Form focus styles */
input:focus,
textarea:focus,
select:focus {
  outline: none;
  ring: 2px;
  ring-color: var(--secondary-blue);
  border-color: var(--secondary-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Custom checkbox styles */
input[type="checkbox"]:checked {
  background-color: var(--secondary-blue);
  border-color: var(--secondary-blue);
}

input[type="checkbox"]:focus {
  ring-color: var(--secondary-blue);
}

/* Notification styles */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  padding: 16px 20px;
  border-radius: 8px;
  color: white;
  font-weight: 500;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
}

.notification.show {
  opacity: 1;
  transform: translateX(0);
}

.notification.success {
  background: linear-gradient(135deg, var(--success-color), #059669);
}

.notification.error {
  background: linear-gradient(135deg, var(--error-color), #dc2626);
}

.notification.info {
  background: linear-gradient(
    135deg,
    var(--secondary-blue),
    var(--primary-blue)
  );
}

/* Mobile menu animation */
#mobile-menu {
  transition: all 0.3s ease;
}

#mobile-menu.show {
  display: block;
}

/* Hero section enhancements */
.hero-title {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* Casino card enhancements */
.casino-card {
  background: linear-gradient(135deg, #1f2937 0%, #374151 100%);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(59, 130, 246, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.casino-card:hover {
  background: linear-gradient(135deg, #374151 0%, #4b5563 100%);
  border-color: var(--secondary-blue);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(59, 130, 246, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Rank badges */
.rank-badge {
  background: linear-gradient(
    135deg,
    var(--secondary-blue),
    var(--primary-blue)
  );
  box-shadow: 0 2px 10px rgba(59, 130, 246, 0.3);
}

.rank-badge.silver {
  background: linear-gradient(
    135deg,
    var(--primary-silver),
    var(--dark-silver)
  );
  box-shadow: 0 2px 10px rgba(148, 163, 184, 0.3);
}

.rank-badge.gold {
  background: linear-gradient(135deg, var(--accent-color), #f59e0b);
  box-shadow: 0 2px 10px rgba(251, 191, 36, 0.3);
}

/* Security certificate cards */
.security-cert {
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.1),
    rgba(30, 64, 175, 0.1)
  );
  border: 1px solid rgba(59, 130, 246, 0.3);
  backdrop-filter: blur(5px);
  transition: all 0.3s ease;
}

.security-cert:hover {
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.2),
    rgba(30, 64, 175, 0.2)
  );
  border-color: var(--secondary-blue);
  transform: scale(1.02);
}

/* FAQ section enhancements */
.faq-item {
  background: linear-gradient(135deg, #374151, #4b5563);
  border-left: 4px solid var(--secondary-blue);
  transition: all 0.3s ease;
}

.faq-item:hover {
  background: linear-gradient(135deg, #4b5563, #6b7280);
  border-left-color: var(--light-blue);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Contact form enhancements */
.contact-form {
  background: linear-gradient(135deg, #1f2937, #374151);
  border: 1px solid rgba(59, 130, 246, 0.2);
  backdrop-filter: blur(10px);
}

/* Footer enhancements */
footer {
  background: linear-gradient(135deg, #000000, #1f2937);
  border-top: 2px solid rgba(59, 130, 246, 0.3);
}

/* Age verification modal */
#age-modal .modal-content {
  background: linear-gradient(135deg, #ffffff, #f8fafc);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(59, 130, 246, 0.3);
}

/* Cookie banner */
#cookie-banner {
  background: linear-gradient(135deg, #1f2937, #374151);
  border-top: 2px solid var(--secondary-blue);
  backdrop-filter: blur(10px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
    line-height: 1.1;
  }

  .casino-card {
    margin-bottom: 1rem;
  }

  .notification {
    right: 10px;
    left: 10px;
    transform: translateY(-100%);
  }

  .notification.show {
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2rem;
  }

  .logo-font {
    font-size: 1.5rem;
  }
}

/* Loading states */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--secondary-blue);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .casino-card {
    border: 2px solid var(--secondary-blue);
  }

  .btn-primary,
  .btn-secondary {
    border: 2px solid var(--light-blue);
  }
}

/* Print styles */
@media print {
  .no-print,
  #age-modal,
  #cookie-banner,
  #mobile-menu-button,
  .notification {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .casino-card {
    border: 1px solid black;
    page-break-inside: avoid;
  }
}