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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --border: #334155;
    --border-light: #475569;
    
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.3);
    
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-accent: linear-gradient(135deg, var(--accent), var(--primary));
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.navbar {
    height: 80px;
}

.nav-container {
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
    gap: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(15, 23, 42, 0.8), 
        rgba(99, 102, 241, 0.3));
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-primary.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

/* About Section */
.about-section {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: var(--bg-tertiary);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    animation: fadeInUp 0.6s ease-out;
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

/* Features Section */
.features-section {
    padding: 8rem 0;
}

.features-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.features-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.features-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.feature-tag {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-tag.active,
.feature-tag:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.testimonial-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 2rem;
    position: relative;
    animation: fadeInUp 0.6s ease-out;
}

.testimonial-card img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 1rem;
    object-fit: cover;
}

.testimonial-card blockquote {
    font-size: 1.1rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.testimonial-author strong {
    color: var(--text-primary);
}

.testimonial-author span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 8rem 0;
    background: var(--bg-secondary);
    text-align: center;
}

.cta-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-note {
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Footer */
.main-footer {
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-secondary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .features-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-card {
        padding: 2rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}