/* ==========================================================================
   MV66 - Art Deco Echo Style Theme
   Casino Website - Premium Design
   ========================================================================== */

/* ==========================================================================
   1. CSS Variables & Custom Properties
   ========================================================================== */
:root {
  /* Art Deco Color Palette */
  --primary-gold: #D4AF37;
  --secondary-gold: #FFD700;
  --deep-blue: #001F3F;
  --midnight-blue: #0A1929;
  --emerald-green: #0E4429;
  --cream: #FFF8DC;
  --silver: #C0C0C0;
  --charcoal: #1A1A1A;
  --light-gray: #F5F5F5;
  --text-primary: #E8E8E8;
  --text-secondary: #B8B8B8;

  /* Typography */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-secondary: 'Playfair Display', Georgia, serif;
  --font-vietnamese: 'Noto Sans', 'Roboto', sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Borders & Effects */
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --box-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-index layers */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

/* ==========================================================================
   2. Reset & Base Styles
   ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-vietnamese);
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--midnight-blue) 0%, var(--deep-blue) 50%, var(--emerald-green) 100%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(212, 175, 55, 0.03) 2px,
      rgba(212, 175, 55, 0.03) 4px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(212, 175, 55, 0.03) 2px,
      rgba(212, 175, 55, 0.03) 4px
    );
  pointer-events: none;
  z-index: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary-gold);
  margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h5 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.25rem); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
}

a {
  color: var(--primary-gold);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--secondary-gold);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   3. Layout Components
   ========================================================================== */

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 2;
}

/* Art Deco Geometric Decorations */
.art-deco-border {
  position: relative;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, transparent 25%, rgba(212, 175, 55, 0.1) 25%, rgba(212, 175, 55, 0.1) 50%, transparent 50%, transparent 75%, rgba(212, 175, 55, 0.1) 75%);
  background-size: 20px 20px;
}

.art-deco-border::before,
.art-deco-border::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
}

.art-deco-border::before { top: 0; }
.art-deco-border::after { bottom: 0; }

/* ==========================================================================
   4. Header & Navigation
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  z-index: var(--z-fixed);
  border-bottom: 2px solid var(--primary-gold);
  box-shadow: 0 2px 20px rgba(212, 175, 55, 0.3);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}
/* Centered nav container like .container */
.nav-container { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 var(--spacing-lg); display: flex; justify-content: space-between; align-items: center; }

/* Nav CTA in menu */
.nav-menu a.cta-nav { background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold)); color: var(--charcoal); padding: 10px 16px; border-radius: 999px; box-shadow: 0 4px 12px rgba(212,175,55,0.35); font-weight: 700; }
.nav-menu a.cta-nav:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(212,175,55,0.5); }


.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-secondary);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
}

/* Logo image support */
.logo-link { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 48px; width: auto; display: block; margin-right: 10px; }

.logo::before,
.logo::after {
  content: '◆';
  color: var(--secondary-gold);
  font-size: 1rem;
  margin: 0 var(--spacing-sm);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  align-items: center;
}

.nav-menu a {
  color: var(--text-primary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  position: relative;
  padding: var(--spacing-sm) 0;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gold);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--primary-gold);
  margin: 3px 0;
  transition: 0.3s;
}

/* ==========================================================================
   5. Hero Section
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4);
}

.hero-background::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, transparent 0%, rgba(0, 31, 63, 0.8) 50%),
    linear-gradient(180deg, transparent 0%, rgba(10, 25, 41, 0.9) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: var(--spacing-xl);
}

.hero-badge {
  display: inline-block;
  background: rgba(212, 175, 55, 0.2);
  border: 1px solid var(--primary-gold);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--primary-gold);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 3px;
  position: relative;
}

.hero-title::before,
.hero-title::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 2px;
  background: var(--primary-gold);
  top: 50%;
  transform: translateY(-50%);
}

.hero-title::before { left: -80px; }
.hero-title::after { right: -80px; }

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.8;
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.hero-feature {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.hero-feature::before {
  content: '✦';
  color: var(--primary-gold);
  margin-right: var(--spacing-sm);
}

.hero-feature:hover {
  background: rgba(212, 175, 55, 0.2);
  transform: translateY(-2px);
}

/* Hero Overlay alias (match .hero styles for current homepage markup) */
.hero-overlay {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
}
.hero-overlay .hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero-overlay .hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.4);
}

/* Legacy class aliases for current HTML structure */
.block-image { /* alias of .content-block-image */
  position: relative;
  overflow: hidden;
  height: 400px;
}
.block-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.content-block:hover .block-image img { transform: scale(1.05); }
.block-content { /* alias of .content-block-content */
  padding: var(--spacing-xl);
}
.grid-image { /* alias of .grid-item-image */
  height: 200px;
  overflow: hidden;
}
.grid-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.grid-item:hover .grid-image img { transform: scale(1.1); }

/* ==========================================================================
   6. Buttons & CTA
   ========================================================================== */
.btn, .btn-primary, .btn-secondary {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 999px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
}

.btn::before, .btn-primary::before, .btn-secondary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before, .btn-primary:hover::before, .btn-secondary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-gold), var(--secondary-gold));
  color: var(--charcoal);
  box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-gold);
  border: 2px solid var(--primary-gold);
}

.btn-secondary:hover {
  background: var(--primary-gold);
  color: var(--charcoal);
}

.cta-group, .hero-cta, .cta-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

/* ==========================================================================
   7. Content Sections
   ========================================================================== */
.section {
  padding: var(--spacing-xxl) 0;
  position: relative;
  z-index: 2;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  padding-bottom: var(--spacing-lg);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
}

/* Content Blocks */
.content-block {
  margin-bottom: var(--spacing-xxl);
  background: rgba(26, 26, 26, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow-lg);
}

.content-block.horizontal {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.content-block.vertical {
  display: flex;
  flex-direction: column;
}

.content-block-image {
  position: relative;
  overflow: hidden;
  height: 400px;
}

.content-block-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-block:hover .content-block-image img {
  transform: scale(1.05);
}

.content-block-content {
  padding: var(--spacing-xl);
}

.content-block h3 {
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding-bottom: var(--spacing-md);
}

.content-block h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--primary-gold);
}

.content-text {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1rem;
}

/* Content Grids */
.content-grid {
  display: grid;
  gap: var(--spacing-xl);
  margin: var(--spacing-xxl) 0;
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-item {
  background: rgba(26, 26, 26, 0.8);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}

.grid-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-gold), var(--secondary-gold));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.grid-item:hover::before {
  transform: scaleX(1);
}

.grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.grid-item-image {
  height: 200px;
  overflow: hidden;
}

.grid-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.grid-item:hover .grid-item-image img {
  transform: scale(1.1);
}

.grid-item-content {
  padding: var(--spacing-lg);
}

.grid-item h4 {
  margin-bottom: var(--spacing-md);
  color: var(--primary-gold);
}

.grid-item-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   8. Features Section
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-xxl) 0;
}

.feature-card {
  background: rgba(26, 26, 26, 0.7);
  border: 2px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
  transform: rotate(45deg);
  transition: transform 0.5s ease;
}

.feature-card:hover::before {
  transform: rotate(45deg) scale(1.2);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-gold);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(255, 215, 0, 0.2));
  border: 2px solid var(--primary-gold);
  border-radius: 50%;
  font-size: 2rem;
  color: var(--primary-gold);
  position: relative;
  z-index: 1;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary-gold);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   9. Footer
   ========================================================================== */
footer {
  background: var(--charcoal);
  border-top: 3px solid var(--primary-gold);
  padding: var(--spacing-xxl) 0 var(--spacing-xl);
  position: relative;
  margin-top: var(--spacing-xxl);
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(180deg, rgba(212, 175, 55, 0.1) 0%, transparent 100%);
  pointer-events: none;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  padding-right: var(--spacing-xl);
}

.footer-logo {
  font-family: var(--font-secondary);
  font-size: 2.5rem;
  color: var(--primary-gold);
  margin-bottom: var(--spacing-md);
  display: inline-block;
}

.footer-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary-gold);
  color: var(--charcoal);
  transform: translateY(-3px);
}

.footer-column h5 {
  color: var(--primary-gold);
  margin-bottom: var(--spacing-lg);
  font-size: 1.1rem;
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.footer-column h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary-gold);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition);
  display: inline-block;
  position: relative;
  padding-left: var(--spacing-md);
}

.footer-links a::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--primary-gold);
  transition: transform 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-gold);
  transform: translateX(5px);
}

.footer-links a:hover::before {
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  padding-top: var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.copyright {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.payment-methods {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.payment-icon {
  width: 50px;
  height: 32px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.75rem;
  border: 1px solid rgba(212, 175, 55, 0.2);
}

/* ==========================================================================
   10. Responsive Design
   ========================================================================== */
@media (max-width: 1200px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

@media (max-width: 992px) {
  .content-block.horizontal {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
    padding-right: 0;
    margin-bottom: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  /* Mobile Navigation */
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background: rgba(26, 26, 26, 0.98);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    padding: var(--spacing-xl);
    border-top: 2px solid var(--primary-gold);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Hero adjustments */
  .hero-title::before,
  .hero-title::after {
    display: none;
  }

  .hero-features {
    grid-template-columns: 1fr;
  }

  /* Content adjustments */
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  /* Footer adjustments */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-column {
    margin-bottom: var(--spacing-xl);
  }

  .footer-column h5::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-social {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .hero-content {
    padding: var(--spacing-lg);
  }

  .btn, .btn-primary, .btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9rem;
  }

  .cta-group {
    flex-direction: column;
    width: 100%;
  }

  .cta-group .btn {
    width: 100%;
  }
}

/* ==========================================================================
   11. Animations & Special Effects
   ========================================================================== */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

/* ==========================================================================
   12. Missing Layout Styles
   ========================================================================== */

/* Hero Layout Variations */
.hero-left-text, .hero-right-text {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, var(--midnight-blue) 0%, var(--deep-blue) 50%, var(--emerald-green) 100%);
}

.hero-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.hero-right-text .hero-container {
  grid-template-columns: 1fr 1fr;
}

.hero-left-text .hero-container {
  grid-template-columns: 1fr 1fr;
}

/* Ensure hero variants are centered */
.hero-left-text .hero-container,
.hero-right-text .hero-container { justify-items: center; }
.hero-left-text .hero-text,
.hero-right-text .hero-text { text-align: center; }

.hero-text {
  z-index: 10;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.art-deco-frame {
  border: 3px solid var(--primary-gold);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

/* Content Grid Layouts */
.content-grid.columns-3 {
  grid-template-columns: repeat(3, 1fr);
}

.content-grid.columns-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* FAQ Styles */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.faq-item {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.faq-item h4 {
  color: var(--primary-gold);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

/* Contact Methods */
.contact-svg, .warning-svg, .payment-method-svg {
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius);
}

/* Help Resources */
.help-resources {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.resource-item {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
  text-align: center;
}

.resource-item h3 {
  color: var(--primary-gold);
  margin-bottom: var(--spacing-md);
}

/* Registration Form Preview */
.registration-form-preview {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  border: 2px solid var(--primary-gold);
}

/* Mobile Responsive Fixes */
@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .hero-left-text .hero-container,
  .hero-right-text .hero-container {
    grid-template-columns: 1fr;
  }

  .content-grid.columns-3,
  .content-grid.columns-4 {
    grid-template-columns: 1fr;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .help-resources {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  .content-grid.columns-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-grid.columns-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Loading and Animation States */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* Accessibility Improvements */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Trust Section Styles */
.trust-section {
  padding: var(--spacing-xxl) 0;
  background: rgba(255, 255, 255, 0.02);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.trust-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
  transition: var(--transition);
}

.trust-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary-gold);
  box-shadow: var(--box-shadow-lg);
}

.trust-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.trust-item h3 {
  color: var(--primary-gold);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.trust-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Mobile Trust Grid */
@media (max-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

/* Registration Form Styles */
.registration-section {
  padding: var(--spacing-xxl) 0;
  background: rgba(255, 255, 255, 0.02);
}

.registration-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  max-width: 1200px;
  margin: 0 auto;
}

.registration-form {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-gold);
  font-weight: 500;
}

.form-group input {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.form-group input::placeholder {
  color: var(--text-secondary);
}

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-top: 2px;
}

.checkbox-group label {
  margin-bottom: 0;
  font-size: 0.9rem;
  line-height: 1.4;
}

.registration-submit {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.2rem;
  font-weight: 600;
}

.registration-benefits {
  background: rgba(0, 0, 0, 0.3);
  padding: var(--spacing-xxl);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.registration-benefits h3 {
  color: var(--primary-gold);
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
}

.registration-benefits ul {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.registration-benefits li {
  padding: var(--spacing-sm) 0;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.security-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.badge {
  background: var(--primary-gold);
  color: var(--charcoal);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: 0.8rem;
  font-weight: 600;
}

/* Mobile Registration Form */
@media (max-width: 768px) {
  .registration-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .registration-form,
  .registration-benefits {
    padding: var(--spacing-lg);
  }
}

/* Print Styles */
@media print {
  .header, .footer, .cta-section {
    display: none;
  }

  body {
    background: white;
    color: black;
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.shimmer {
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.2), transparent);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

.float {
  animation: float 3s ease-in-out infinite;
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Loading skeleton */
.skeleton {
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.2) 50%, rgba(212, 175, 55, 0.1) 100%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Scroll animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   12. Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-gold); }
.text-secondary { color: var(--text-secondary); }

.bg-dark { background: var(--charcoal); }
.bg-light { background: var(--light-gray); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-xxl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-xxl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }
.p-5 { padding: var(--spacing-xxl); }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-none { display: none; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }
.gap-4 { gap: var(--spacing-xl); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.position-relative { position: relative; }
.position-absolute { position: absolute; }

.overflow-hidden { overflow: hidden; }

/* Visibility utilities */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 769px) {
  .show-mobile { display: none !important; }
}

/* Print styles */
@media print {
  * {
    background: white !important;
    color: black !important;
  }

  header, footer, .btn, .cta-group {
    display: none !important;
  }
}
/* 新增图片样式 */
.hero-image img,
.register-image,
.grid-image img,
.block-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

/* ================= Testimonials ================= */
.testimonials-section { padding: 80px 0; background: linear-gradient(180deg, rgba(9,14,33,0) 0%, rgba(9,14,33,0.4) 100%); }
.testimonials-section .section-title { text-align: center; margin-bottom: var(--spacing-xxl); }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--spacing-xl); align-items: stretch; }
.testimonial-item { background: rgba(255,255,255,0.03); border: 1px solid rgba(212,175,55,0.25); border-radius: 14px; padding: var(--spacing-lg); box-shadow: 0 6px 24px rgba(0,0,0,0.25); display: flex; flex-direction: column; height: 100%; }
.testimonial-header { display: flex; align-items: center; gap: var(--spacing-md); margin-bottom: var(--spacing-md); }
.testimonial-avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--primary-gold); }
.testimonial-info h4 { margin: 0; font-weight: 700; color: var(--text-primary); }
.testimonial-info .member-type { font-size: 0.9rem; color: var(--text-secondary); }
.testimonial-content { color: var(--text-secondary); line-height: 1.8; margin: var(--spacing-sm) 0 var(--spacing-md); flex: 1; }
.testimonial-footer { display: flex; justify-content: space-between; align-items: center; gap: var(--spacing-md); color: var(--secondary-gold); font-weight: 600; margin-top: auto; }
@media (max-width: 640px) { .testimonial-footer { flex-direction: column; align-items: flex-start; gap: var(--spacing-sm); } }


.hero-image {
    width: 100%;
    height: auto;
    overflow: hidden;
    border-radius: 10px;
}

.grid-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.register-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}