:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --panel-bg: rgba(30, 41, 59, 0.4);
    --panel-border: rgba(148, 163, 184, 0.1);
    --glass-blur: 12px;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 25%);
}

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--panel-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-badge {
    font-size: 11px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-primary);
    -webkit-text-fill-color: var(--accent-primary);
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s;
    margin-left: 24px;
}

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

.btn-nav {
    background: var(--text-primary);
    color: var(--bg-color);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    margin-left: 24px;
}

.btn-nav:hover {
    background: #e2e8f0;
    color: var(--bg-color);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    z-index: -1;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 80px;
}

.btn {
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--panel-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Hero Image */
.hero-image-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 16px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: perspective(1000px) rotateX(2deg);
    transition: transform 0.5s ease;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.hero-image-container:hover {
    transform: perspective(1000px) rotateX(0deg);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    display: block;
    transition: opacity 0.5s ease;
}

.hero-overlay {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    padding: 20px;
    background: rgba(15, 23, 42, 0.9);
    border-radius: 0 0 8px 8px;
    backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-image-container:hover .hero-overlay {
    transform: translateY(0);
}

.hero-caption {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}

.slide-indicators {
    display: flex;
    gap: 8px;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.2s;
}

.indicator.active {
    background: var(--accent-primary);
    transform: scale(1.2);
}

/* Features Grid */
.features {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    background: rgba(30, 41, 59, 0.6);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent-primary);
    font-size: 24px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Showcase Sections */
.showcase-section {
    padding: 100px 0;
    display: flex;
    align-items: center;
    gap: 60px;
}

.showcase-section.reverse {
    flex-direction: row-reverse;
}

.showcase-content {
    flex: 1;
}

.showcase-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.showcase-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 30px;
}

.showcase-image {
    flex: 1;
    position: relative;
}

.showcase-img-frame {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--panel-border);
    background: rgba(255, 255, 255, 0.05);
    padding: 8px;
}

.showcase-img-frame img {
    width: 100%;
    border-radius: 8px;
    display: block;
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(59, 130, 246, 0.05) 100%);
}

.cta-box {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--panel-border);
    border-radius: 32px;
    padding: 80px 40px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-box h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta-box p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    border-top: 1px solid var(--panel-border);
    padding: 60px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .showcase-section {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .showcase-section.reverse {
        flex-direction: column;
    }

    .cta-box {
        padding: 40px 20px;
    }

    .cta-box h2 {
        font-size: 2rem;
    }
}

/* Video Modal Removed */