/* ============================================
   TopCasinoAngola - Main Stylesheet
   Angola Flag Colors: Red (#CC0000), Black (#000000)
   ============================================ */

/* === CSS VARIABLES === */
:root {
  /* Angola flag: red + black + yellow star */
  --color-bg: #0d0000;
  --color-primary: #CC0000;
  --color-primary-dark: #aa0000;
  --color-primary-light: #e52222;
  --color-secondary: #FFD700;
  --color-secondary-dark: #e6c200;
  --color-accent: #ff4444;

  /* Dark Theme Base */
  --color-dark: #0d0000;
  --color-dark-lighter: #1a0000;
  --color-dark-card: #160000;
  --color-gray: #8b8b8b;
  --color-gray-light: #2a1010;
  --color-light: #1a0808;
  --color-white: #ffffff;

  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #FFD700;
  --color-error: #ef4444;
  --color-info: #06b6d4;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #CC0000 0%, #880000 50%, #440000 100%);
  --gradient-secondary: linear-gradient(135deg, #FFD700 0%, #e6a800 100%);
  --gradient-accent: linear-gradient(135deg, #CC0000 0%, #FFD700 100%);
  --gradient-dark: linear-gradient(180deg, #0d0000 0%, #1a0000 100%);
  --gradient-gold: linear-gradient(135deg, #CC0000 0%, #e52222 50%, #CC0000 100%);
  --gradient-hero: radial-gradient(ellipse at top right, #3d0000, #0d0000);

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -1px rgba(0,0,0,0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -2px rgba(0,0,0,0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.6), 0 10px 10px -5px rgba(0,0,0,0.4);
  --shadow-glow-gold: 0 0 20px rgba(204,0,0,0.3), 0 0 40px rgba(204,0,0,0.1);
  --shadow-glow-purple: 0 0 20px rgba(255,215,0,0.3), 0 0 40px rgba(255,215,0,0.1);
  --shadow-glow-blue: 0 0 20px rgba(204,0,0,0.3), 0 0 40px rgba(204,0,0,0.1);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Container */
  --container-max: 1280px;
  --container-padding: 2rem;
}

/* === RESET & BASE === */
* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: clip;
}

body {
  overflow-x: hidden;
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-white);
  background: var(--color-bg);
  background-image:
    radial-gradient(circle at 20% 50%, rgba(204,0,0,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255,215,0,0.05) 0%, transparent 50%);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(204,0,0,0.02) 2px,
    rgba(204,0,0,0.02) 4px
  );
  pointer-events: none;
  z-index: 1;
}

body > * { position: relative; z-index: 2; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.5rem, 3vw, 1.875rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p { margin-bottom: var(--spacing-sm); color: rgba(255,255,255,0.85); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: all var(--transition-base);
  text-shadow: 0 0 10px rgba(204,0,0,0.3);
}

a:hover {
  color: var(--color-primary-light);
  text-shadow: 0 0 20px rgba(204,0,0,0.5);
}

strong { font-weight: 600; color: var(--color-primary); }

ul, ol { margin-left: 1.5rem; margin-bottom: var(--spacing-sm); }
li { margin-bottom: 0.5rem; color: rgba(255,255,255,0.8); }

/* === CONTAINER === */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  font-weight: 700;
  box-shadow: var(--shadow-md), var(--shadow-glow-gold);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover:not(:disabled)::before { left: 100%; }
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow-gold), 0 0 30px rgba(204,0,0,0.4);
  color: var(--color-white);
}

.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--color-dark);
  font-weight: 700;
  box-shadow: var(--shadow-md), var(--shadow-glow-purple);
}

.btn-secondary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow-purple);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover:not(:disabled) {
  background: rgba(255,255,255,0.1);
  border-color: white;
  color: white;
  transform: translateY(-2px);
}

.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1.125rem; }
.btn-full { width: 100%; }

/* === CARDS === */
.card {
  background: var(--color-dark-card);
  border: 1px solid rgba(204,0,0,0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow-gold);
  transform: translateY(-4px);
  border-color: rgba(204,0,0,0.4);
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  font-weight: 700;
  box-shadow: 0 0 15px rgba(204,0,0,0.3);
}

.badge-success {
  background: var(--color-success);
  color: var(--color-dark);
  font-weight: 700;
}

.badge-warning {
  background: var(--gradient-secondary);
  color: var(--color-dark);
  font-weight: 700;
}

/* === SECTION === */
.section { padding: var(--spacing-2xl) 0; }

.section-title {
  text-align: center;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 20px rgba(204,0,0,0.4));
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: var(--gradient-gold);
  box-shadow: 0 0 10px rgba(204,0,0,0.5);
}

.section-subtitle {
  text-align: center;
  font-size: 1.125rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* === GRID === */
.grid { display: grid; gap: var(--spacing-lg); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* === HEADER === */
.header {
  background: rgba(13,0,0,0.95);
  border-bottom: 2px solid rgba(204,0,0,0.3);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(204,0,0,0.2);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  text-decoration: none;
  text-shadow: 0 0 20px rgba(204,0,0,0.5);
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px rgba(204,0,0,0.4));
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  gap: 0.5rem;
}

.nav-link {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-base);
  font-size: 0.9375rem;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-white);
  background: rgba(204,0,0,0.15);
  box-shadow: 0 0 10px rgba(204,0,0,0.2);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger, .hamburger::before, .hamburger::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-base);
}

.hamburger { position: relative; }
.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  left: 0;
}
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* === FOOTER === */
.footer {
  background: #080000;
  border-top: 2px solid rgba(204,0,0,0.2);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand .logo { font-size: 1.25rem; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-top: 0.75rem; }

.footer-title {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 0 10px rgba(204,0,0,0.3);
}

.footer-links { list-style: none; margin: 0; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition-base);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  border-top: 1px solid rgba(204,0,0,0.15);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 0.875rem;
}

/* === ANIMATIONS === */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}
@keyframes spin { to { transform: rotate(360deg); } }

.fade-in { animation: fadeIn 0.6s ease forwards; }

/* === UTILITIES === */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-gray); }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.bg-light { background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  :root { --container-padding: 1rem; --spacing-xl: 2rem; --spacing-2xl: 3rem; }

  .main-nav { display: none; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(13,0,0,0.98); padding: 1rem; border-bottom: 2px solid rgba(204,0,0,0.3); z-index: 999; }
  .mobile-menu-toggle { display: block; }
  .nav-menu { flex-direction: column; width: 100%; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  html { font-size: 15px; }
  .section { padding: var(--spacing-xl) 0; }
}