/* ========================================
   CUBUS GROUP - Clean Modern Landing Page
   Dark/Light Mode + Bilingual Support
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ========================================
   CSS VARIABLES - THEMING
   ======================================== */

:root {
    /* Dark Mode Colors (Default) - Bronze/Orange Theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-card: #1a1a1a;
    --text-primary: #f5f5f5;
    --text-secondary: #b1b1b1;
    --text-muted: #6e6e6e;
    --accent-primary: #c57725;
    --accent-secondary: #e58e27;
    --accent-hover: #d68a2e;
    --border-color: #2a2a2a;
    --shadow-color: rgba(197, 119, 37, 0.2);
}

[data-theme="light"] {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #f8fafc;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-primary: #ea580c;
    --accent-secondary: #f97316;
    --accent-hover: #c2410c;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ========================================
   NAVBAR
   ======================================== */

.navbar-custom {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

[data-theme="light"] .navbar-custom {
    background: rgba(255, 255, 255, 0.8);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-brand img {
    height: 45px;
    width: auto;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    margin: 0 15px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-primary) !important;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 10px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-left: 10px;
}

.theme-toggle:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
    transform: scale(1.05);
}

/* Language Toggle */
.language-toggle {
    display: flex;
    gap: 5px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 5px;
    margin-left: 10px;
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 8px 16px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: var(--accent-primary);
    color: white;
}

.lang-btn:hover:not(.active) {
    color: var(--accent-primary);
}

/* Login Button */
.btn-login {
    display: inline-block;
    padding: 10px 24px;
    margin-left: 15px;
    background: var(--accent-primary);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 2px solid var(--accent-primary);
}

.btn-login:hover {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(197, 119, 37, 0.3);
    color: white;
    text-decoration: none;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background-image: url('/assets/bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

/* Light mode background */
[data-theme="light"] .hero-section {
    background-image: url('/assets/bg1.jpg');
}

/* Overlay for better text readability */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.7);
    z-index: 1;
    pointer-events: none;
}

[data-theme="light"] .hero-section::before {
    background: rgba(255, 255, 255, 0.7);
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 3.75rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.hero-title .highlight {
    color: var(--accent-primary);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn-primary,
.btn-secondary {
    padding: 16px 40px;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.3);
}

.btn-secondary {
    background: transparent;
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.3);
}

/* ========================================
   STATS SECTION
   ======================================== */

.stats-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.stat-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-color);
    border-color: var(--accent-primary);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--accent-primary);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--text-secondary);
    font-weight: 600;
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 50px 35px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px var(--shadow-color);
    border-color: var(--accent-primary);
}

.service-icon {
    font-size: 3.5rem;
    color: var(--accent-primary);
    margin-bottom: 25px;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 1rem;
}

/* ========================================
   GALLERY SECTION
   ======================================== */

.gallery-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 50px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px var(--shadow-color);
    border-color: var(--accent-primary);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 25px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

/* ========================================
   EVENT CARDS
   ======================================== */

.event-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 35px;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-color);
    border-color: var(--accent-primary);
}

.event-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.event-date,
.event-location {
    color: var(--text-muted);
    margin-bottom: 8px;
    font-size: 1rem;
}

/* ========================================
   BADGES
   ======================================== */

.badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.badge-info {
    background: var(--accent-primary);
    color: white;
    border: 1px solid var(--accent-secondary);
}

.badge-success {
    background: rgba(40, 167, 69, 0.2);
    color: #51cf66;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.2);
    color: #ffd43b;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.badge-danger {
    background: rgba(220, 53, 69, 0.2);
    color: #ff6b6b;
    border: 1px solid rgba(220, 53, 69, 0.3);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 50px 0;
    margin-top: 100px;
}

.footer p {
    color: var(--text-muted);
    margin: 0;
    text-align: center;
}

/* ========================================
   LIGHTBOX
   ======================================== */

.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 15px;
}

.lightbox-close {
    position: absolute;
    top: -60px;
    right: -60px;
    font-size: 2rem;
    color: white;
    cursor: pointer;
    background: var(--accent-primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.lightbox-close:hover {
    transform: scale(1.1) rotate(90deg);
    background: var(--accent-hover);
}

/* ========================================
   ANIMATIONS
   ======================================== */

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
    }

    .navbar-brand img {
        height: 35px;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .service-card {
        padding: 35px 25px;
    }

    .lightbox-close {
        top: 20px;
        right: 20px;
    }

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

    .language-toggle {
        margin-left: 5px;
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.text-center {
    text-align: center;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mb-5 {
    margin-bottom: 3rem;
}