@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
    --black: #000000;
    --gray-50: #0a0a0a;
    --gray-100: #1a1a1a;
    --gray-200: #2a2a2a;
    --gray-300: #3a3a3a;
    --gray-400: #6a6a6a;
    --gray-500: #8a8a8a;
    --gray-600: #aaaaaa;
    --white: #ffffff;
    --accent: #0066cc;
    --accent-hover: #0052a3;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.fade-in-up.delay-1 {
    animation-delay: 0.2s;
}

.fade-in-up.delay-2 {
    animation-delay: 0.4s;
}

.fade-in-up.delay-3 {
    animation-delay: 0.6s;
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 48px;
    padding: 0 24px;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.5px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: var(--gray-600);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: color 0.2s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--white);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--white);
}

.nav-links a:hover::after {
    width: 100%;
}

.btn-shop {
    background: var(--accent);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-shop:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 48px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 204, 0.15) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: translateX(-50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translateX(-50%) scale(1.1);
        opacity: 0.8;
    }
}

.hero-container {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: 20px;
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.hero-badge:hover {
    background: var(--gray-200);
    transform: scale(1.05);
}

.hero-content h1 {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 700;
    letter-spacing: -1.5px;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 21px;
    color: var(--gray-500);
    font-weight: 400;
    margin-bottom: 32px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 48px;
}

.btn {
    padding: 12px 24px;
    border-radius: 980px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--gray-200);
}

.btn-secondary:hover {
    border-color: var(--gray-300);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-200);
}

.btn-outline:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

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

.hero-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: 50%;
    color: var(--gray-500);
    transition: all 0.3s ease;
    text-decoration: none;
}

.hero-social a:hover {
    background: var(--gray-200);
    color: var(--white);
    transform: translateY(-4px) scale(1.1);
}

/* Stats */
.stats {
    padding: 80px 0;
    background: var(--gray-50);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 32px;
}

.stat-item {
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: scale(1.05);
}

.stat-value {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 4px;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 15px;
    color: var(--gray-500);
}

/* Section Title */
.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: -1px;
    text-align: center;
    margin-bottom: 64px;
}

/* Services */
.services {
    padding: 120px 0;
    background: var(--black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 40px 32px;
    background: var(--gray-50);
    border-radius: 24px;
    border: 1px solid var(--gray-100);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    background: var(--gray-100);
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: 16px;
    font-size: 24px;
    margin-bottom: 24px;
    transition: all 0.3s ease;
    color: var(--accent);
}

.service-card:hover .service-icon {
    background: var(--accent);
    color: var(--white);
    transform: rotate(5deg) scale(1.1);
}

.service-card h3 {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features i {
    color: var(--accent);
    font-size: 12px;
}

/* Features */
.features {
    padding: 120px 0;
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 40px 32px;
    background: var(--gray-100);
    border-radius: 24px;
    border: 1px solid var(--gray-200);
    transition: all 0.4s ease;
}

.feature-card:hover {
    background: var(--gray-200);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-200);
    border-radius: 16px;
    font-size: 24px;
    margin-bottom: 24px;
    transition: all 0.3s ease;
    color: var(--accent);
}

.feature-card:hover .feature-icon {
    background: var(--gray-300);
    transform: scale(1.1);
}

.feature-card h3 {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.5;
}

/* Videos */
.videos {
    padding: 120px 0;
    background: var(--black);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.video-card {
    border-radius: 16px;
    overflow: hidden;
    background: var(--gray-100);
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

.video-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

/* Testimonials */
.testimonials {
    padding: 120px 0;
    background: var(--gray-50);
    overflow: hidden;
}

.testimonials-wrapper {
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 2%, black 98%, transparent);
}

.testimonials-track {
    display: flex;
    gap: 24px;
    animation: scroll 60s linear infinite;
    width: fit-content;
}

.testimonials-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.testimonial-card {
    flex-shrink: 0;
    width: 360px;
    padding: 32px;
    background: var(--gray-100);
    border-radius: 24px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    background: var(--gray-200);
    transform: translateY(-4px);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 16px;
    margin-bottom: 16px;
}

.testimonial-card p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.testimonial-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
}

/* CTA */
.cta {
    padding: 120px 0;
    background: var(--black);
}

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

.cta-content h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 19px;
    color: var(--gray-500);
    margin-bottom: 32px;
}

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

/* Footer */
footer {
    padding: 48px 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

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

.footer-logo {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    gap: 32px;
    justify-content: center;
    margin-bottom: 24px;
}

.footer-links a {
    color: var(--gray-500);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-copyright {
    color: var(--gray-500);
    font-size: 13px;
}

/* Mobile */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    nav {
        padding: 0 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 17px;
    }
    
    .hero-buttons {
        flex-direction: column;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .stats {
        padding: 60px 0;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .stat-value {
        font-size: 36px;
    }
    
    .services, .features, .videos, .testimonials, .cta {
        padding: 80px 0;
    }
    
    .section-title {
        margin-bottom: 40px;
        font-size: 32px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .testimonial-card {
        width: 300px;
        padding: 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
        max-width: 280px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-social {
        flex-wrap: wrap;
    }
    
    .service-card {
        padding: 32px 24px;
    }
}