/* DataQuilt.tech - Liquid Glass Design */

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --radius-soft: 1rem;
    --radius-full: 9999px;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Navigation */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px) saturate(150%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
}

.cta-button {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-soft);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.mobile-menu-toggle {
    display: none;
}

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

.hero-background {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.2), transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.2), transparent 50%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    padding: var(--space-3xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.badge-glow {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.primary-button {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-soft);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.primary-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.4);
}

.primary-button.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.secondary-button {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2rem;
    border-radius: var(--radius-soft);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.secondary-button:hover {
    background: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.secondary-button.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.play-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-3xl);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Sections */
.features-preview, .how-it-works, .testimonials {
    padding: var(--space-3xl) 0;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(40px);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-soft);
    padding: var(--space-xl);
    transition: all 0.4s;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.feature-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: gap 0.3s;
}

.feature-link:hover {
    gap: 0.5rem;
}

/* Steps */
.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.step-card {
    flex: 1;
    min-width: 250px;
    max-width: 320px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-soft);
    padding: var(--space-xl);
    text-align: center;
    transition: all 0.3s;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.15);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

.step-connector {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
}

/* Testimonials */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-soft);
    padding: var(--space-xl);
    transition: all 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.testimonial-text {
    color: var(--text-primary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
}

.author-role {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: var(--space-3xl) 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-md);
    color: white;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--space-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-title {
    color: white;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s;
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
    }
    
    .mobile-menu-toggle span {
        width: 25px;
        height: 3px;
        background: var(--primary);
        border-radius: var(--radius-full);
    }
    
    .hero-stats {
        gap: var(--space-lg);
    }
    
    .feature-grid, .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-connector {
        width: 3px;
        height: 60px;
    }
}