/* ============================================
   CiberFriends 2026 - Modern Landing Page
   ============================================ */

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

:root {
    --primary: #e63946;
    --primary-dark: #c1121f;
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --bg-surface: #1a1a1a;
    --bg-elevated: #222222;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --border: #2a2a2a;
    --fb-blue: #1877f2;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === Navbar === */
.navbar {
    position: relative;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
}

.navbar.scrolled {
    position: fixed;
    top: 0;
    background: rgba(10, 10, 10, 0.98);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255,255,255,0.06);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 15px;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(230, 57, 70, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.06);
}

.btn-facebook {
    background: var(--fb-blue);
    color: #fff;
}

.btn-facebook:hover {
    background: #166fe5;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(24, 119, 242, 0.4);
}

/* === Hero === */
.hero {
    position: relative;
    width: 100%;
    aspect-ratio: 984 / 200;
    max-height: 200px;
    overflow: hidden;
    background: #000;
}

.hero-slider {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
}

.hero-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
    width: 48px;
    height: 48px;
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(10px);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
}

.hero:hover .hero-nav {
    opacity: 1;
    pointer-events: auto;
}

.hero-prev { left: 24px; }
.hero-next { right: 24px; }

.hero-nav:hover {
    background: rgba(230, 57, 70, 0.8);
    border-color: var(--primary);
    transform: translateY(-50%) scale(1.05);
}

.hero-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    display: flex;
    gap: 10px;
}

.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.hero-dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

.hero-dot:hover {
    background: rgba(255,255,255,0.6);
}

.hero-fade-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(transparent, var(--bg-dark));
    z-index: 5;
    pointer-events: none;
}

/* === Stats Bar === */
.stats-bar {
    position: relative;
    z-index: 15;
    margin-top: -60px;
    padding: 0 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
}

.stat-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    font-size: 28px;
}

.stat-number {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* === Sections === */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(230, 57, 70, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* === Albums Grid === */
.albums-section {
    background: var(--bg-surface);
}

.albums-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.album-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.album-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.album-cover {
    position: relative;
    width: 100%;
    padding-top: 75%;
    overflow: hidden;
}

.album-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.album-card:hover .album-cover img {
    transform: scale(1.08);
}

.album-placeholder {
    position: absolute;
    inset: 0;
    background: var(--bg-elevated);
    display: flex;
    align-items: center;
    justify-content: center;
}

.album-placeholder span {
    font-size: 40px;
    opacity: 0.3;
}

.album-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.album-card:hover .album-overlay {
    opacity: 1;
}

.album-view {
    padding: 10px 20px;
    background: var(--primary);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 100px;
    transform: translateY(10px);
    transition: var(--transition);
}

.album-card:hover .album-view {
    transform: translateY(0);
}

.album-info {
    padding: 14px 16px;
}

.album-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.album-fb {
    font-size: 11px;
    color: var(--fb-blue);
    font-weight: 500;
}

.album-card:hover .album-name {
    color: var(--primary);
}

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

.albums-fallback {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.albums-fallback p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.fb-page-embed {
    display: flex;
    justify-content: center;
}

/* === Social Section === */
.social-section {
    background: var(--bg-dark);
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.social-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.social-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.social-fb:hover {
    border-color: var(--fb-blue);
}

.social-ig:hover {
    border-color: #e1306c;
}

.social-card-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
}

.social-fb .social-card-icon {
    background: rgba(24, 119, 242, 0.1);
    color: var(--fb-blue);
}

.social-ig .social-card-icon {
    background: linear-gradient(135deg, rgba(131, 58, 180, 0.15), rgba(253, 29, 29, 0.15), rgba(252, 176, 69, 0.15));
    color: #e1306c;
}

.social-card-info h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.social-card-info p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
}

.social-card-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.social-fb:hover .social-card-link {
    color: var(--fb-blue);
}

.social-ig:hover .social-card-link {
    color: #e1306c;
}

/* === Features === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    display: flex;
    flex-direction: column;
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 16px;
}

.feature-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}

.feature-card:hover .feature-link {
    color: var(--primary-dark);
}

/* === CTA Section === */
.cta-section {
    background: var(--bg-surface);
}

.cta-box {
    text-align: center;
    padding: 64px 40px;
    background: linear-gradient(135deg, rgba(230,57,70,0.1) 0%, rgba(230,57,70,0.02) 100%);
    border: 1px solid rgba(230,57,70,0.2);
    border-radius: var(--radius-xl);
}

.cta-box h2 {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.cta-box p {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* === Footer === */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-grid-simple {
    grid-template-columns: 2fr 1fr;
}

.footer-brand .logo-text {
    font-size: 24px;
    display: inline-block;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.footer-links h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    padding: 6px 0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .albums-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
.footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.social-grid {
    grid-template-columns: 1fr;
}

.footer-grid-simple {
    grid-template-columns: 1fr 1fr;
}
}

@media (max-width: 768px) {
    .nav-links, .nav-actions {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(10,10,10,0.98);
        padding: 16px;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-actions.active {
        display: flex;
        position: absolute;
        top: calc(64px + 200px);
        left: 0;
        right: 0;
        background: rgba(10,10,10,0.98);
        padding: 16px;
        border-bottom: 1px solid var(--border);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .albums-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-nav {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .hero-prev { left: 12px; }
    .hero-next { right: 12px; }
    
    .hero-overlay {
        padding-bottom: 140px;
    }
    
    .cta-box {
        padding: 40px 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .albums-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .cta-actions .btn {
        width: 100%;
    }
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}

/* === Scrollbar === */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}