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

:root {
    /* NEW Color Palette - Modern Blue/Teal Theme */
    --color-bg-dark: #0f0f1e;
    --color-bg-card: #1a1d35;
    --color-bg-card-hover: #232844;
    --color-primary: #00d4ff;
    --color-primary-dark: #00b8e6;
    --color-secondary: #6366f1;
    --color-accent: #f59e0b;
    --color-hot: #ef4444;
    --color-success: #10b981;
    --color-new: #8b5cf6;
    --color-text-primary: #ffffff;
    --color-text-secondary: #a5b4fc;
    --color-text-muted: #6b7280;
    --color-border: #2d3250;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0ea5e9 100%);
    --gradient-hero: linear-gradient(180deg, #0f0f1e 0%, #1a1d35 100%);
    --gradient-card: linear-gradient(145deg, #1a1d35 0%, #1e223a 100%);
    --gradient-accent: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --gradient-hot: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --gradient-new: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    
    /* Spacing */
    --spacing-xs: 6px;
    --spacing-sm: 10px;
    --spacing-md: 14px;
    --spacing-lg: 18px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* ===================================
   Hero Section - Compact
   =================================== */
.hero {
    background: var(--gradient-hero);
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
    padding: 6px var(--spacing-md);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-glow);
}

.hero-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, #ffffff 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

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

.feature {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.feature-icon {
    color: var(--color-success);
    font-weight: 700;
    font-size: 14px;
}

/* ===================================
   Container & Grid
   =================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-sm);
}

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    animation: fadeIn 0.6s ease;
}

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

/* ===================================
   Casino Cards - Compact Mobile Design
   =================================== */
.casino-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.casino-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.casino-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 212, 255, 0.4);
    background: var(--color-bg-card-hover);
}

.casino-card:hover::before {
    opacity: 1;
}

/* Card Header - Horizontal Layout */
.card-header {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.card-logo {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
}

.card-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform var(--transition-normal);
}

.casino-card:hover .card-logo img {
    transform: scale(1.08);
}

.card-header-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Card Title - Compact */
.card-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
    margin: 0;
}

/* Rating - Inline */
.card-rating {
    display: flex;
    align-items: center;
    gap: 6px;
}

.stars {
    color: var(--color-accent);
    font-size: 13px;
    letter-spacing: 1px;
}

.rating-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* Card Badge - In Header */
.card-badge {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    align-self: flex-start;
}

.card-badge.hot {
    background: var(--gradient-hot);
    color: white;
}

.card-badge.new {
    background: var(--gradient-new);
    color: white;
}

/* Bonus Section - Compact */
.card-bonus {
    background: rgba(0, 212, 255, 0.08);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.bonus-amount {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 2px;
}

.bonus-label {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Features List - Compact */
.card-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-features li {
    font-size: 12px;
    color: var(--color-text-secondary);
    padding: 4px 0;
    line-height: 1.3;
}

/* Play Button - Touch Optimized */
.btn-play {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    width: 100%;
    background: var(--gradient-primary);
    color: var(--color-bg-dark);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
    min-height: 48px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-play:hover {
    background: var(--gradient-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-play:active {
    transform: translateY(0);
}

.btn-arrow {
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.btn-play:hover .btn-arrow {
    transform: translateX(4px);
}

/* ===================================
   Footer - Compact
   =================================== */
.footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.footer-text {
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 13px;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary);
}

/* ===================================
   Responsive Design - Tablet (640px+)
   =================================== */
@media (min-width: 640px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 17px;
    }
    
    .container {
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .card-logo {
        width: 90px;
        height: 90px;
    }
    
    .card-title {
        font-size: 20px;
    }
    
    .bonus-amount {
        font-size: 22px;
    }
}

/* ===================================
   Responsive Design - Desktop (1024px+)
   =================================== */
@media (min-width: 1024px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-md) 48px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .container {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
    
    .casino-card {
        padding: var(--spacing-lg);
    }
    
    .card-logo {
        width: 100px;
        height: 100px;
    }
    
    .card-title {
        font-size: 22px;
    }
    
    .bonus-amount {
        font-size: 24px;
    }
    
    .card-features li {
        font-size: 13px;
    }
}

/* ===================================
   Animations & Loading States
   =================================== */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.loading {
    background: linear-gradient(
        90deg,
        var(--color-bg-card) 0%,
        var(--color-bg-card-hover) 50%,
        var(--color-bg-card) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ===================================
   Accessibility & Print
   =================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .hero, .footer {
        display: none;
    }
    
    .casino-card {
        page-break-inside: avoid;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ===================================
   Mobile Viewport Optimization
   =================================== */
@media (max-width: 380px) {
    .card-header {
        gap: var(--spacing-sm);
    }
    
    .card-logo {
        width: 70px;
        height: 70px;
    }
    
    .card-title {
        font-size: 16px;
    }
    
    .bonus-amount {
        font-size: 18px;
    }
    
    .card-features li {
        font-size: 11px;
    }
}