/* EV88 Website - 永恒金爵 Style (Eternal Gold Luxury) */
/* Black and Gold Luxury Theme with Elegant Shadows */

:root {
  /* Color Palette */
  --primary-black: #0a0a0a;
  --secondary-black: #1a1a1a;
  --accent-gold: #d4af37;
  --light-gold: #f4e4a6;
  --dark-gold: #b8941f;
  --white: #ffffff;
  --light-gray: #f5f5f5;
  --medium-gray: #888888;
  --dark-gray: #333333;
  --red-accent: #dc2626;
  --green-accent: #16a34a;
  
  /* Typography */
  --font-primary: 'Playfair Display', serif;
  --font-secondary: 'Inter', sans-serif;
  --font-size-h1: 3.5rem;
  --font-size-h2: 2.5rem;
  --font-size-h3: 2rem;
  --font-size-h4: 1.5rem;
  --font-size-body: 1rem;
  --font-size-small: 0.875rem;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Shadows */
  --shadow-light: 0 2px 4px rgba(212, 175, 55, 0.1);
  --shadow-medium: 0 4px 8px rgba(212, 175, 55, 0.2);
  --shadow-heavy: 0 8px 16px rgba(212, 175, 55, 0.3);
  --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.4);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-secondary);
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--accent-gold);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--light-gray);
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--light-gold);
  text-shadow: 0 0 8px var(--accent-gold);
}

/* Header Styles */
.header {
  background: linear-gradient(90deg, var(--primary-black) 0%, var(--secondary-black) 100%);
  border-bottom: 2px solid var(--accent-gold);
  box-shadow: var(--shadow-heavy);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  flex-wrap: nowrap;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.4));
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-sm);
  flex-wrap: nowrap;
}

.nav-menu a {
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav-menu a:hover {
  background: var(--accent-gold);
  color: var(--primary-black);
  transform: translateY(-2px);
}

/* Dropdown Menu Styles */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--secondary-black);
  border: 1px solid var(--accent-gold);
  border-radius: 8px;
  min-width: 180px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: var(--shadow-gold);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  list-style: none;
}

.dropdown-menu a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  transition: all 0.3s ease;
}

.dropdown-menu a:hover {
  background: var(--accent-gold);
  color: var(--primary-black);
  transform: none;
}

.dropdown-menu li:last-child a {
  border-bottom: none;
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  position: relative;
  z-index: 1002;
}

/* Desktop Navigation - Ensure proper display */
@media (min-width: 769px) {
  .mobile-menu-toggle {
    display: none !important;
  }

  .mobile-cta {
    display: none !important;
  }

  .desktop-cta {
    display: inline-block !important;
  }

  .nav-container {
    position: static !important;
    width: auto !important;
    height: auto !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    overflow: visible !important;
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
  }

  .nav-menu {
    display: flex !important;
    flex-direction: row !important;
    gap: var(--spacing-md) !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .nav-menu li {
    border-bottom: none !important;
  }

  .nav-menu a {
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    border-radius: 6px !important;
    font-size: 0.95rem !important;
    white-space: nowrap !important;
  }

  .header-cta {
    margin: 0 !important;
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    white-space: nowrap !important;
    flex-shrink: 0 !important;
  }
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background: var(--accent-gold);
  margin: 3px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.header-cta {
  background: linear-gradient(45deg, var(--accent-gold), var(--light-gold));
  color: var(--primary-black);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 25px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: var(--shadow-gold);
  transition: all 0.3s ease;
}

.header-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.6);
}

/* Main Content Styles */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

/* Hero Section */
.hero-section {
  text-align: center;
  padding: var(--spacing-xxl) 0;
  background:
    linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.4)),
    url('assets/images/content/hero-background.jpg') center/cover no-repeat;
  margin-bottom: var(--spacing-xl);
  position: relative;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(45deg, var(--accent-gold), var(--light-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--light-gray);
  margin-bottom: var(--spacing-xl);
}

.hero-cta {
  background: linear-gradient(45deg, var(--accent-gold), var(--dark-gold));
  color: var(--primary-black);
  padding: var(--spacing-md) var(--spacing-xxl);
  border-radius: 50px;
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  box-shadow: var(--shadow-gold);
  transition: all 0.3s ease;
  display: inline-block;
  margin: var(--spacing-sm);
}

.hero-cta:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.8);
}

/* Content Blocks */
.content-block {
  margin-bottom: var(--spacing-xxl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.8) 0%, rgba(10, 10, 10, 0.9) 100%);
  border-radius: 15px;
  border: 1px solid rgba(212, 175, 55, 0.2);
  box-shadow: var(--shadow-heavy);
}

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

.content-block.vertical {
  text-align: center;
}

.content-block h2 {
  margin-bottom: var(--spacing-lg);
}

.content-block img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: var(--shadow-medium);
}

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

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

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

.grid-item {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(10, 10, 10, 0.95) 100%);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: var(--shadow-medium);
  transition: all 0.3s ease;
  text-align: center;
}

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

.grid-item h3 {
  color: var(--accent-gold);
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.grid-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 25px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(45deg, var(--accent-gold), var(--light-gold));
  color: var(--primary-black);
  box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

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

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

/* Footer */
.footer {
  background: var(--primary-black);
  border-top: 2px solid var(--accent-gold);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--accent-gold);
  margin-bottom: var(--spacing-md);
  font-size: 1.25rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
  color: var(--light-gray);
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(212, 175, 55, 0.2);
  color: var(--medium-gray);
}

/* Payment Icons */
.payment-icons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin: var(--spacing-lg) 0;
}

.payment-icons img {
  height: 40px;
  width: auto;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.payment-icons img:hover {
  opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .mobile-menu-toggle {
    display: flex !important;
    position: relative;
    z-index: 1002;
  }

  .mobile-cta {
    display: block !important;
  }

  .desktop-cta {
    display: none !important;
  }

  .header {
    position: sticky;
    top: 0;
    z-index: 998;
  }

  .nav-container {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--secondary-black);
    border-left: 2px solid var(--accent-gold);
    transition: right 0.3s ease;
    z-index: 1001;
    padding: 80px 0 var(--spacing-lg);
    overflow-y: auto;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    display: flex !important;
    flex-direction: column;
  }

  .nav-container.active {
    right: 0 !important;
  }

  .nav-menu {
    flex-direction: column;
    gap: 0;
    padding: 0;
    margin: 0;
  }

  .nav-menu li {
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  }

  .nav-menu a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0;
  }

  .nav-menu a:hover {
    background: var(--accent-gold);
    color: var(--primary-black);
    transform: none;
  }

  /* Mobile Dropdown Styles */
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: rgba(212, 175, 55, 0.1);
    border: none;
    border-radius: 0;
    box-shadow: none;
    margin-left: var(--spacing-md);
  }

  .dropdown-menu a {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9rem;
  }

  .header-cta {
    margin: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-gold);
    color: var(--primary-black);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
  }

  .header-cta:hover {
    background: var(--light-gold);
    transform: translateY(-2px);
  }

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

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

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

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-section {
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 400px;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-cta {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    letter-spacing: 1px;
    margin: var(--spacing-xs);
  }

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

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

  .grid-item img {
    max-width: 100%;
    height: auto;
  }

  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }
}

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

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-section {
    padding: var(--spacing-lg) var(--spacing-sm);
    min-height: 350px;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .hero-cta {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
  }

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

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

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
  }
}