/* UU88 Casino Website - 永恒金爵 Style */
/* Black and Gold Luxury Theme with Elegant Shadows */

:root {
  --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;
  --shadow-gold: rgba(212, 175, 55, 0.3);
  --shadow-black: rgba(0, 0, 0, 0.5);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
  min-height: 100vh;
}

/* Header Styles */
.header {
  background: linear-gradient(90deg, var(--primary-black) 0%, var(--secondary-black) 50%, var(--primary-black) 100%);
  padding: 1rem 0;
  box-shadow: 0 4px 20px var(--shadow-black);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--accent-gold);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--accent-gold);
  text-shadow: 2px 2px 4px var(--shadow-black);
  letter-spacing: 2px;
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 1rem;
  margin: 0;
  padding: 0;
  flex-wrap: nowrap;
}

.nav-menu a {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  border-radius: 5px;
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
  font-size: 0.95rem;
}

.nav-menu a:hover {
  color: var(--accent-gold);
  background: rgba(212, 175, 55, 0.1);
  box-shadow: 0 2px 10px var(--shadow-gold);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
  padding: 0.5rem;
  z-index: 1001;
}

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

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.cta-buttons {
  display: flex;
  gap: 1rem;
}

.btn-primary {
  background: linear-gradient(45deg, var(--accent-gold), var(--light-gold));
  color: var(--primary-black);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 25px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px var(--shadow-gold);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow-gold);
  background: linear-gradient(45deg, var(--light-gold), var(--accent-gold));
}

.btn-secondary {
  background: transparent;
  color: var(--accent-gold);
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--accent-gold);
  border-radius: 25px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-secondary:hover {
  background: var(--accent-gold);
  color: var(--primary-black);
  box-shadow: 0 4px 15px var(--shadow-gold);
}

/* Main Content Styles */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

.hero-section {
  text-align: center;
  padding: 4rem 0;
  background: radial-gradient(circle at center, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: bold;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  text-shadow: 3px 3px 6px var(--shadow-black);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--light-gray);
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Content Blocks */
.content-block {
  margin: 3rem 0;
  padding: 2rem;
  background: rgba(26, 26, 26, 0.8);
  border-radius: 15px;
  box-shadow: 0 8px 25px var(--shadow-black);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.content-block.horizontal {
  display: flex;
  align-items: center;
  gap: 2rem;
}

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

.block-content {
  flex: 1;
}

.block-image {
  flex: 0 0 300px;
  height: 200px;
  background: var(--dark-gray);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--medium-gray);
  border: 2px solid var(--accent-gold);
}

.block-title {
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px var(--shadow-black);
}

.block-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--light-gray);
}

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.grid-item {
  background: rgba(26, 26, 26, 0.9);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 6px 20px var(--shadow-black);
  border: 1px solid rgba(212, 175, 55, 0.3);
  transition: all 0.3s ease;
}

.grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--shadow-gold);
  border-color: var(--accent-gold);
}

.grid-title {
  font-size: 1.5rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
  text-align: center;
}

.grid-image {
  width: 100%;
  height: 150px;
  background: var(--dark-gray);
  border-radius: 10px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--medium-gray);
  border: 1px solid var(--accent-gold);
}

.grid-text {
  color: var(--light-gray);
  line-height: 1.6;
}

/* Footer Styles */
.footer {
  background: var(--primary-black);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
  border-top: 3px solid var(--accent-gold);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--accent-gold);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: var(--light-gray);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.payment-icons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.payment-icon {
  width: 50px;
  height: 30px;
  background: var(--white);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--primary-black);
  font-weight: bold;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--dark-gray);
  color: var(--medium-gray);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .nav-menu {
    gap: 0.5rem;
  }

  .nav-menu a {
    padding: 0.5rem 0.6rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 768px) {
  .header {
    padding: 0.5rem 0;
  }

  .header-container {
    flex-wrap: nowrap;
    padding: 0 0.75rem;
    gap: 0.5rem;
  }

  .logo {
    order: 1;
    flex-shrink: 0;
  }

  .logo img {
    height: 35px !important;
  }

  .hamburger {
    display: flex;
    padding: 0.25rem;
    order: 3;
    margin-left: auto;
  }

  .hamburger span {
    width: 24px;
    height: 3px;
  }

  nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    padding: 5rem 2rem 2rem;
    transition: left 0.3s ease;
    box-shadow: 4px 0 20px var(--shadow-black);
    z-index: 999;
  }

  nav.active {
    left: 0;
  }

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

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

  .nav-menu a {
    display: block;
    padding: 1rem;
    font-size: 1rem;
  }

  .cta-buttons {
    order: 2;
    flex-direction: row;
    gap: 0.3rem;
    flex-shrink: 1;
    min-width: 0;
  }

  .cta-buttons .btn-primary {
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
    white-space: nowrap;
  }

  .cta-buttons .btn-secondary {
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
    white-space: nowrap;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .content-block.horizontal {
    flex-direction: column;
  }
  
  .block-image {
    flex: none;
    width: 100%;
  }
  
  .main-content {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.8s ease-in;
}

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

.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to { opacity: 1; transform: translateX(0); }
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}