/**
 * UYAN TECHNICAL PRODUCTION - Koyu Tema
 * LED Ekran | Sahne | Işıklandırma | Ses Sistemleri
 */

/* ==================== CSS Variables ==================== */
:root {
    /* Ana Renkler - Koyu Tema */
    --primary: #00d4ff;
    --primary-dark: #00a8cc;
    --primary-light: #33dfff;
    --primary-glow: rgba(0, 212, 255, 0.3);
    
    /* Alt Marka Renkleri */
    --brand-led: #00d4ff;
    --brand-light: #ffd700;
    --brand-sound: #ff6b35;
    --brand-stage: #a855f7;
    --brand-tech: #22c55e;
    
    /* Arka Plan Renkleri */
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    --bg-gradient: linear-gradient(135deg, #0a0a0f 0%, #12121a 50%, #0a0a0f 100%);
    
    /* Metin Renkleri */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #64748b;
    
    /* Border & Glow */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(0, 212, 255, 0.5);
    
    /* Durum Renkleri */
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #fbbf24;
    --info: #3b82f6;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-padding: 0 20px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--primary-glow);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

a:hover {
    color: var(--primary-light);
}

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

/* ==================== Container ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ==================== Typography ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.25rem); }

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.text-gradient {
    background: linear-gradient(90deg, var(--primary), var(--brand-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.btn svg, .btn i {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--primary);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background: var(--primary-light);
    color: var(--bg-dark) !important;
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--bg-dark);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #128C7E;
    color: white;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

/* ==================== Header ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 99999;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

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

/* Navigation */
.nav-desktop {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 16px;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary) !important;
    background: rgba(0, 212, 255, 0.15);
}

/* Mobil nav link stilleri */
.mobile-nav .nav-link {
    color: var(--text-primary);
}

.mobile-nav .nav-link:hover,
.mobile-nav .nav-link.active {
    color: var(--primary) !important;
    background: rgba(0, 212, 255, 0.15);
}

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

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    padding: 8px;
    cursor: pointer;
}

.mobile-menu-btn svg {
    width: 28px;
    height: 28px;
}

.mobile-menu {
    display: none;
}

/* Mobile menu button icons */
.mobile-menu-btn .menu-icon,
.mobile-menu-btn .close-icon {
    width: 28px;
    height: 28px;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-nav .nav-link {
    padding: 16px;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--border-color);
}

@media (max-width: 991px) {
    .nav-desktop,
    .header-actions .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
}

/* ==================== Hero Section ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--bg-gradient);
    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, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-title .highlight {
    color: var(--primary);
    text-shadow: 0 0 30px var(--primary-glow);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

/* Hero Section */
.hero-section {
    position: relative;
    background: var(--bg-dark);
    padding-top: 80px; /* Header yüksekliği kadar */
}

.hero-image-wrapper {
    width: 100%;
    max-height: calc(100vh - 80px);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-img {
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 70vh;
}

.hero-buttons-wrapper {
    background: var(--bg-dark);
    padding: 30px 20px;
    text-align: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    text-align: center;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-title .highlight {
    color: var(--primary);
    text-shadow: 0 0 40px var(--primary-glow);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

@media (max-width: 768px) {
    .hero-section {
        padding-top: 70px;
    }
    
    .hero-image-wrapper {
        max-height: calc(60vh - 70px);
    }
    
    .hero-img {
        max-height: calc(60vh - 70px);
        width: 100%;
        object-fit: contain;
    }
    
    .hero-buttons-wrapper {
        padding: 20px 15px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding-top: 60px;
    }
    
    .hero-image-wrapper {
        max-height: calc(50vh - 60px);
    }
    
    .hero-img {
        max-height: calc(50vh - 60px);
    }
    
    .hero-buttons-wrapper {
        padding: 15px;
    }
}

/* ==================== Section Styles ==================== */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-dark {
    background: var(--bg-darker);
}

.section-gradient {
    background: var(--bg-gradient);
}

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

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== Brand Cards (Alt Markalar) ==================== */
.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.brand-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.brand-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--brand-color, var(--primary));
}

.brand-card:hover {
    transform: translateY(-8px);
    border-color: var(--brand-color, var(--primary));
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.brand-card:hover h3 {
    color: var(--brand-color, var(--primary));
}

.brand-card:hover p {
    color: var(--text-secondary);
}

.brand-card:hover .tagline {
    color: var(--text-muted);
}

.brand-card-image {
    width: 100%;
    height: 180px;
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 28px;
    background: rgba(0, 212, 255, 0.1);
}

.brand-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.brand-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--brand-color, var(--primary));
}

.brand-card .tagline {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.brand-card p {
    margin-bottom: 24px;
}

.brand-card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.brand-card-features span {
    background: rgba(255, 255, 255, 0.05);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Alt marka renkleri */
.brand-card[data-brand="uproled"] { --brand-color: #00d4ff; }
.brand-card[data-brand="uprolight"] { --brand-color: #ffd700; }
.brand-card[data-brand="uprosound"] { --brand-color: #ff6b35; }
.brand-card[data-brand="uprostage"] { --brand-color: #a855f7; }
.brand-card[data-brand="uprotech"] { --brand-color: #22c55e; }

/* ==================== About Section ==================== */
.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 300px;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    opacity: 0.3;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content p {
    margin-bottom: 16px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

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

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 8px;
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .about-image {
        max-width: 200px;
        margin: 0 auto;
    }
    
    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .authorized-brands-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 12px;
    }
    
    .authorized-brand-card {
        padding: 16px 12px;
    }
    
    .brand-logo {
        width: 60px;
        height: 60px;
    }
}

/* ==================== Dealers Section ==================== */
.dealers-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--bg-dark);
    border-color: var(--primary);
}

.dealers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.dealer-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: var(--transition-normal);
}

.dealer-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.dealer-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.dealer-card .city {
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.dealer-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dealer-info span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.dealer-info svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted);
}

/* ==================== Authorized Brands ==================== */
.authorized-brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.authorized-brand-card {
    text-align: center;
    padding: 20px 16px;
}

.brand-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 10px;
}

.brand-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.brand-logo-placeholder {
    background: var(--bg-card-hover);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.authorized-brand-card h3 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.brand-category {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    margin-bottom: 8px;
}

.authorized-brand-card p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==================== Projects / References ==================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

/* Tek kart olduğunda max-width sınırla */
.projects-grid .project-card:only-child {
    max-width: 500px;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-card);
    transition: var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.project-content {
    padding: 24px;
}

.project-category {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 12px;
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.project-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.project-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-meta svg {
    width: 14px;
    height: 14px;
}

/* ==================== Blog Cards ==================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

/* Tek kart olduğunda max-width sınırla */
.blog-grid .blog-card:only-child {
    max-width: 450px;
}

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

.blog-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
}

/* Blog card link overlay */
.blog-card-link {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.blog-card-content a,
.blog-card-content .blog-card-category {
    position: relative;
    z-index: 2;
}

.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: 24px;
}

.blog-card-category {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.blog-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-card p {
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Blog Detail */
.blog-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.blog-detail-header {
    text-align: center;
    margin-bottom: 2rem;
}

.blog-detail-image {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 2rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

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

.blog-detail-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.blog-detail-content p {
    margin-bottom: 1.5rem;
}

.blog-detail-content h2,
.blog-detail-content h3 {
    color: var(--text-primary);
    margin: 2rem 0 1rem;
}

.blog-detail-content ul,
.blog-detail-content ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.blog-detail-content li {
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .blog-detail {
        padding: 0 16px;
    }
    
    .blog-detail-content {
        font-size: 1rem;
    }
    
    .blog-detail-image {
        border-radius: var(--radius-md);
    }
}

/* ==================== Contact Section ==================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-item p, .contact-item a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ==================== Footer ==================== */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 30px;
}

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

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-dark);
}

.footer-social svg {
    width: 18px;
    height: 18px;
}

/* WhatsApp icon button */
.whatsapp-icon-btn svg {
    width: 18px;
    height: 18px;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: 100%;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

/* ==================== Page Header ==================== */
.page-header {
    padding: 140px 0 60px;
    background: var(--bg-gradient);
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
}

.page-header h1 {
    position: relative;
    margin-bottom: 16px;
}

.page-header p {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    position: relative;
    z-index: 10;
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--text-muted);
}

/* ==================== Utilities ==================== */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.hidden { display: none; }
.visible { display: block; }

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--primary-glow); }
    50% { box-shadow: 0 0 20px var(--primary-glow); }
}

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

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .brands-grid,
    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-content {
        padding: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

/* ==================== Lightbox ==================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

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

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

/* ==================== Alert ==================== */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-warning {
    background: rgba(251, 191, 36, 0.1);
    border: 1px solid rgba(251, 191, 36, 0.3);
    color: var(--warning);
}

.alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state svg {
    width: 64px;
    height: 64px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.empty-state h3 {
    margin-bottom: 12px;
}

.empty-state p {
    margin-bottom: 24px;
}