/* 
   UIUX Promax Design System 
   Theme: Modern Dark Gaming (Cyberpunk/Glassmorphism)
*/

:root {
    /* Color Palette - Starry Ocean Theme */
    --bg-primary: #0a0e27;        /* Deep Space Blue - Background */
    --bg-secondary: #1a1f3a;      /* Dark Starry Card Background */
    --bg-glass: rgba(26, 31, 58, 0.7); /* Glassmorphism Base */
    --text-primary: #f8fafc;      /* Slate 50 - Main Text */
    --text-secondary: #a8b2d1;    /* Light Blue-gray - Subtitles */
    --accent-blue: #4f46e5;       /* Indigo 600 - Primary Action */
    --accent-blue-alpha: rgba(79, 70, 229, 0.1); /* Accent with transparency */
    --accent-cyan: #0ea5e9;       /* Sky 500 - Secondary Accent */
    --accent-purple: #8b5cf6;     /* Purple 500 - Stellar Accent */
    --accent-glow: #818cf8;       /* Indigo 400 - Glow Effects */
    --border-color: rgba(148, 163, 184, 0.15);

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 90px;
    --card-radius: 16px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease-in-out;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

/* Utilities */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Scroll Animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-blue);
    box-shadow: none;
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    align-items: center;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.3;
}

.logo-en {
    font-size: 0.65rem;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding: 8px 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-blue);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-blue);
    transition: width 0.3s;
}

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

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.2s ease;
}

.mobile-menu-btn:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    z-index: 1001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.mobile-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px;
    border-bottom: 1px solid var(--border-color);
}

.mobile-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 44px;
    height: 44px;
    cursor: pointer;
    border-radius: 8px;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.mobile-close-btn:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
}

.mobile-nav-links {
    flex: 1;
    padding: 20px 0;
    display: flex;
    flex-direction: column;
}

.mobile-nav-links a {
    display: block;
    padding: 16px 20px;
    color: var(--text-secondary);
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    border-left-color: var(--accent-blue);
}

.mobile-sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--header-height);
    background:
        radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.15), transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(14, 165, 233, 0.15), transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.08), transparent 40%);
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-visual {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    height: 80%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    filter: blur(100px);
    opacity: 0.25;
    z-index: 1;
    border-radius: 50%;
    animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.25; transform: translateY(-50%) scale(1); }
    50% { opacity: 0.4; transform: translateY(-50%) scale(1.1); }
}

/* Section Common */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title p {
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
}

/* Featured Games Grid */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.game-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
    cursor: pointer;
    group: 'card';
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(79, 70, 229, 0.15);
    border-color: var(--accent-blue);
}

.card-image {
    height: 200px;
    background: #2d3748;
    position: relative;
    overflow: hidden;
}

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

.game-card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: 24px;
}

.card-content h3 {
    margin-bottom: 10px;
    font-size: 1.25rem;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: var(--accent-blue);
    font-weight: 600;
}

.card-link i {
    margin-left: 5px;
    transition: margin 0.2s;
}

.card-link:hover i {
    margin-left: 10px;
}

/* Footer */
footer {
    background: #0b1120;
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    padding-bottom: 40px;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }

    .logo {
        font-size: 0.9rem;
    }

    .logo-en {
        font-size: 0.5rem;
    }

    .nav-links {
        display: none;
    }

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

    .hero {
        text-align: center;
        justify-content: center;
    }

    .hero-content {
        padding: 0 20px;
    }

    .games-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 16px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 50px 0;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .games-grid {
        gap: 16px;
    }

    .card-content {
        padding: 18px;
    }
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 1001;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    min-width: 120px;
    transition: var(--transition-fast);
}

.language-switcher:hover {
    border-color: var(--accent-blue);
}

.lang-current {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 14px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    width: 100%;
    font-size: 0.9rem;
    font-weight: 500;
}

.lang-current i:first-child {
    color: var(--accent-blue);
}

.lang-dropdown {
    display: none;
    border-top: 1px solid var(--border-color);
}

.language-switcher.open .lang-dropdown {
    display: block;
}

.lang-option {
    padding: 10px 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

.lang-option:hover,
.lang-option.active {
    background: var(--accent-blue-alpha);
    color: var(--accent-blue);
}

/* Responsive for mobile */
@media (max-width: 768px) {
    .language-switcher {
        top: 70px;
        right: 10px;
        min-width: 100px;
        transform: scale(0.9);
        transform-origin: top right;
    }

    .lang-current {
        padding: 8px 10px;
    }

    .lang-option {
        padding: 8px 10px;
    }
}
/* End Language Switcher */