/* 789BET Support - Casino Style Theme: Eternal Golden Goblet */

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

:root {
    /* Eternal Golden Goblet Color Palette */
    --primary-black: #0a0a0a;
    --charcoal: #1a1a1a;
    --deep-charcoal: #2d2d2d;
    --champagne-gold: #d4af37;
    --brass: #c9a961;
    --ivory: #f8f6f0;
    --pearl: #faf8f3;
    --accent-red: #8b0000;

    /* Typography */
    --font-heading: 'Playfair Display', 'Georgia', serif;
    --font-body: 'Lato', 'Helvetica Neue', sans-serif;

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

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-body);
    background-color: var(--primary-black);
    color: var(--ivory);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--ivory);
    line-height: 1.8;
}

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

a:hover {
    color: var(--brass);
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

/* Header */
.header {
    background: linear-gradient(180deg, var(--charcoal) 0%, var(--primary-black) 100%);
    border-bottom: 1px solid var(--champagne-gold);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo h1 {
    font-size: 1.8rem;
    background: linear-gradient(45deg, var(--champagne-gold), var(--brass));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0;
}

.tagline {
    font-size: 0.9rem;
    color: var(--brass);
    font-style: italic;
}

/* Navigation */
.main-nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--ivory);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    background: linear-gradient(135deg, var(--champagne-gold), var(--brass));
    color: var(--primary-black);
}

/* Mobile Hamburger Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
    z-index: 1001;
}

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

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

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

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

.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999;
}

.mobile-nav-overlay.active {
    display: block;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background: linear-gradient(135deg, var(--charcoal), var(--deep-charcoal));
    z-index: 1000;
    transition: right 0.3s ease;
    padding: 80px 20px 20px;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav li {
    margin: 0 0 20px 0;
}

.mobile-nav a {
    display: block;
    color: var(--ivory);
    font-weight: 500;
    padding: 15px 20px;
    border-radius: 8px;
    transition: var(--transition);
    text-decoration: none;
    border: 1px solid transparent;
}

.mobile-nav a:hover,
.mobile-nav a.active {
    background: linear-gradient(135deg, var(--champagne-gold), var(--brass));
    color: var(--primary-black);
    border-color: var(--champagne-gold);
}

.mobile-nav .header-cta {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.mobile-nav .btn-primary {
    width: 100%;
    text-align: center;
    padding: 15px;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--champagne-gold), var(--brass));
    color: var(--primary-black);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

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

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

.btn-link {
    color: var(--champagne-gold);
    padding: 0;
    text-transform: none;
    letter-spacing: normal;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero.overlay-mode {
    background: linear-gradient(135deg, var(--charcoal) 0%, var(--primary-black) 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('images/hero-bg.jpg') center/cover;
    opacity: 0.2;
    z-index: 0;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--primary-black) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, var(--champagne-gold), var(--brass), var(--champagne-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--ivory);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-md);
}

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

/* Content Grid */
.content-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

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

.grid-item {
    background: linear-gradient(135deg, var(--charcoal) 0%, var(--deep-charcoal) 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 8px;
    padding: var(--spacing-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.grid-item:hover {
    transform: translateY(-5px);
    border-color: var(--champagne-gold);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

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

.item-image {
    width: 100%;
    height: 200px;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
    background: var(--deep-charcoal);
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.grid-item:hover .item-image img {
    transform: scale(1.05);
}

/* Content Blocks */
.content-block {
    background: linear-gradient(135deg, var(--charcoal) 0%, var(--deep-charcoal) 100%);
    border: 1px solid rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

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

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

.content-block.vertical .block-image {
    margin: 0 auto var(--spacing-md);
    max-width: 600px;
}

.block-image {
    border-radius: 8px;
    overflow: hidden;
    height: 300px;
    background: var(--deep-charcoal);
}

.block-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.block-content h3 {
    margin-bottom: var(--spacing-sm);
}

.block-content p {
    text-align: justify;
}

/* CTA Section */
.contact-cta {
    background: linear-gradient(135deg, var(--deep-charcoal) 0%, var(--charcoal) 100%);
    border-top: 1px solid var(--champagne-gold);
    border-bottom: 1px solid var(--champagne-gold);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

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

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

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

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

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

.footer-section a {
    color: var(--ivory);
    opacity: 0.8;
}

.footer-section a:hover {
    color: var(--champagne-gold);
    opacity: 1;
}

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

.disclaimer {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: var(--spacing-xs);
}

/* Responsive Design */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.25rem; }

    .header-content {
        justify-content: space-between;
        align-items: center;
        flex-wrap: nowrap; /* 不换行 */
        gap: 8px;
    }

    .logo { flex: 1 1 auto; min-width: 0; display: flex; align-items: center; }
    .logo-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

    .main-nav { display: none; }

    .mobile-menu-toggle { display: flex; margin-left: 8px; }

    .mobile-nav { display: block; }

    .header-cta { display: none; }

    .hero-title {
        font-size: 2rem;
    }

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

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

    .content-grid.cols-4 {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

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

    /* Table Mobile Optimization */
    .comparison-table {
        font-size: 0.8rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 4px;
        word-break: break-word;
    }

    .comparison-table thead th:first-child {
        position: sticky;
        left: 0;
        background: var(--charcoal);
        z-index: 2;
    }

    .comparison-table tbody td:first-child {
        position: sticky;
        left: 0;
        background: var(--deep-charcoal);
        z-index: 1;
        font-weight: bold;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 400px;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }

    .content-grid.cols-4 {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .mobile-nav {
        width: 280px;
        padding: 70px 15px 15px;
    }

    .mobile-nav a {
        padding: 12px 15px;
        font-size: 0.9rem;
    }

    /* Advanced Mobile Table Optimization */
    .comparison-table {
        font-size: 0.7rem;
    }

    .comparison-table th:not(:first-child),
    .comparison-table td:not(:first-child) {
        min-width: 60px;
    }

    /* Container padding for small screens */
    .container {
        padding: 0 1rem;
    }

    /* VIP tiers grid mobile */
    .vip-tiers {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .tier-card {
        padding: 1rem;
    }
}

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

.grid-item,
.content-block {
    animation: fadeIn 0.6s ease-out;
}

/* Hover Effects */
.grid-item,
.content-block {
    position: relative;
}

.grid-item::after,
.content-block::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.grid-item:hover::after,
.content-block:hover::after {
    opacity: 1;
}

/* Glassmorphism Effect */
.header,
.grid-item,
.content-block {
    backdrop-filter: blur(10px);
    background: linear-gradient(135deg,
        rgba(26, 26, 26, 0.9) 0%,
        rgba(45, 45, 45, 0.9) 100%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--champagne-gold);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brass);
}
/* Logo Styling */
.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo-text h2 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--champagne-gold);
}

.logo-text .tagline {
    font-size: 0.8rem;
    color: var(--ivory);
    opacity: 0.8;
}

@media (max-width: 768px) {
    .logo-img {
        height: 40px;
    }
    
    .logo-text h2 {
        font-size: 1.2rem;
    }
    
    .logo-text .tagline {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .logo {
        gap: 10px;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .logo-text h2 {
        font-size: 1.1rem;
    }
}