/* ============================================
   vCapStudio - Modern Dark Theme Website
   ============================================ */

/* CSS Variables */
:root {
    --primary-color: #00d4ff;
    --primary-light: #5ee7ff;
    --primary-dark: #00a8cc;
    --accent-color: #ff6b35;
    --accent-gradient: linear-gradient(135deg, #ff6b35 0%, #ff8f5a 100%);
    
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-light: rgba(255, 255, 255, 0.12);
    
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

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

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.section-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

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

.btn-block {
    width: 100%;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 15, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.logo-text {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(0, 212, 255, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(0, 212, 255, 0.2), transparent),
        radial-gradient(1px 1px at 230px 80px, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(2px 2px at 300px 150px, rgba(255, 107, 53, 0.15), transparent);
    background-size: 350px 200px;
    animation: particles 20s linear infinite;
    opacity: 0.6;
}

@keyframes particles {
    from { transform: translateY(0); }
    to { transform: translateY(-200px); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-content .hero-buttons {
    justify-content: center;
}

.hero-content .hero-stats {
    justify-content: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease forwards;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

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

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.title-line {
    display: block;
    color: var(--text-primary);
}

.title-gradient {
    display: block;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-visual {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 450px;
    height: 450px;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.camera-grid {
    position: relative;
    width: 100%;
    height: 100%;
}

.camera-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-color);
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

.camera-card.card-1 { top: 10%; left: 20%; animation-delay: 0s; }
.camera-card.card-2 { top: 25%; right: 15%; animation-delay: 1s; }
.camera-card.card-3 { top: 50%; left: 5%; animation-delay: 2s; }
.camera-card.card-4 { top: 45%; right: 25%; animation-delay: 0.5s; }
.camera-card.card-5 { bottom: 25%; left: 25%; animation-delay: 1.5s; }
.camera-card.card-6 { bottom: 15%; right: 20%; animation-delay: 2.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
    position: relative;
    width: 100%;
    height: 100%;
}

.camera-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-color);
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

.camera-card.card-1 { top: 10%; left: 20%; animation-delay: 0s; }
.camera-card.card-2 { top: 25%; right: 15%; animation-delay: 1s; }
.camera-card.card-3 { top: 50%; left: 5%; animation-delay: 2s; }
.camera-card.card-4 { top: 45%; right: 25%; animation-delay: 0.5s; }
.camera-card.card-5 { bottom: 25%; left: 25%; animation-delay: 1.5s; }
.camera-card.card-6 { bottom: 15%; right: 20%; animation-delay: 2.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: fadeInUp 0.6s ease 0.5s forwards, bounce 2s ease infinite 1s;
    opacity: 0;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll 2s ease infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateY(0); }
    50% { opacity: 0.3; transform: translateY(6px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

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

/* ============================================
   About Section
   ============================================ */
.about {
    padding: 100px 0;
    background: var(--bg-darker);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-primary);
}

.about-feature i {
    color: var(--primary-color);
    font-size: 16px;
}

.about-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 28px;
    text-align: center;
    transition: var(--transition-base);
}

.about-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.about-card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(255, 107, 53, 0.1) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
}

.about-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.about-card p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: 100px 0;
    position: relative;
	
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition-base);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(0, 212, 255, 0.05) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--primary-color);
    transition: var(--transition-base);
    cursor: pointer;
}

.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.25) 0%, rgba(255, 107, 53, 0.15) 100%);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================
   Architecture Section
   ============================================ */
.architecture {
    padding: 100px 0;
    background: var(--bg-darker);
}

.architecture-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.arch-diagram {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
    position: relative;
}

.arch-client, .arch-hosts, .arch-cameras {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
}

.arch-box {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 120px;
}

.arch-box i {
    font-size: 28px;
    color: var(--primary-color);
}

.arch-box span {
    font-size: 13px;
    color: var(--text-secondary);
}

.host-ip {
    font-size: 11px !important;
    color: var(--text-muted) !important;
}

.arch-connection {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 14px;
}

.connection-line {
    width: 2px;
    height: 20px;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}

.camera-cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px;
    max-width: 300px;
}

.camera-cluster i {
    font-size: 20px;
    color: var(--accent-color);
}

.camera-cluster span {
    width: 100%;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.arch-description {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.arch-step {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.arch-step:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

.step-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.3;
    line-height: 1;
}

.step-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ============================================
   Product Section
   ============================================ */
.product {
    padding: 100px 0;
    background: var(--bg-darker);
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 40px;
}

.product-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.product-image img {
    width: 100%;
    height: auto;
    display: block;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.product-feature {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.product-feature:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

.product-feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(255, 107, 53, 0.1) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.product-feature-text h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.product-feature-text p {
    font-size: 14px;
    color: var(--text-muted);
}

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

/* ============================================
   Supported Cameras
   ============================================ */
.supported-cameras {
    padding: 60px 0;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

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

.camera-brands {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 24px;
}

.brand-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 24px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.brand-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-light);
}

.brand-item i {
    font-size: 36px;
}

.brand-item.canon i { color: #ff0000; }
.brand-item.nikon i { color: #ffd700; }
.brand-item.sony i { color: #00a0e9; }

.brand-item span {
    font-size: 18px;
    font-weight: 600;
}

.brand-item p {
    font-size: 12px;
    color: var(--text-muted);
}

.cameras-note {
    font-size: 14px;
    color: var(--text-muted);
}

/* ============================================
   Showcase Section
   ============================================ */
.showcase {
    padding: 100px 0;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.showcase-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-base);
}

.showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-light);
}

.showcase-video {
    aspect-ratio: 16/9;
    background: var(--bg-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.showcase-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.showcase-video .video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    transition: var(--transition-base);
}

.showcase-video .video-overlay i {
    width: 80px;
    height: 80px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    padding-left: 4px;
    transition: var(--transition-base);
}

.showcase-video .video-overlay:hover {
    background: rgba(0, 0, 0, 0.5);
}

.showcase-video .video-overlay:hover i {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.5);
}

.showcase-video.playing .video-overlay {
    display: none;
}

.showcase-video.playing video {
    display: block;
}

.showcase-video .video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    cursor: pointer;
    transition: var(--transition-base);
}

.cover-photogrammetry .video-overlay {
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.85) 0%, rgba(0, 77, 128, 0.9) 100%);
}

.cover-bullet-time .video-overlay {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.85) 0%, rgba(180, 50, 20, 0.9) 100%);
}

.video-cover-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
}

.video-cover-text i {
    font-size: 48px;
    color: white;
}

.video-cover-text span {
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.showcase-video .video-overlay > i.fa-play {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #333;
    padding-left: 4px;
    transition: var(--transition-base);
}

.showcase-video .video-overlay:hover > i.fa-play {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.video-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-base);
}

.video-placeholder i {
    font-size: 48px;
    color: var(--primary-color);
    opacity: 0.5;
    transition: var(--transition-base);
}

.showcase-card:hover .video-placeholder i {
    opacity: 1;
    transform: scale(1.1);
}

.video-placeholder span {
    font-size: 14px;
    text-align: center;
    padding: 0 20px;
}

.showcase-info {
    padding: 24px;
}

.showcase-info h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.showcase-info p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.showcase-stats {
    display: flex;
    gap: 20px;
}

.showcase-stats span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--primary-color);
}

.scenarios {
    text-align: center;
}

.scenarios h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

.scenarios-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.scenario-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.scenario-tag:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.scenario-tag i {
    color: var(--primary-color);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: 100px 0;
    background: var(--bg-darker);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.contact-item:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

.contact-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(255, 107, 53, 0.1) 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 14px;
    color: var(--text-muted);
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.contact-form h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    text-align: center;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    transition: var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

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

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

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 12px;
}

.footer-links h4,
.footer-social h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

.footer-links a {
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition-base);
}

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

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

.social-links 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;
    font-size: 16px;
    color: var(--text-muted);
    transition: var(--transition-base);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

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

.icp {
    font-size: 12px !important;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 48px;
    }
    
    .hero-visual {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .architecture-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-darker);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: 16px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
    }
    
    .camera-brands {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 60px;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}

/* ============================================
   Feature Modal
   ============================================ */
.feature-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.feature-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 32px;
    max-width: 80%;
    max-height: 80vh;
    text-align: center;
    transform: scale(0.9);
    transition: var(--transition-base);
}

.feature-modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    z-index: 10;
}

.modal-close:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.5);
}

.modal-gif {
    max-width: 100%;
    max-height: 60vh;
    margin-bottom: 20px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.modal-gif img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}