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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo h1 {
    color: white;
    font-size: 24px;
    font-weight: 700;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #ffd700;
}

.download-btn a {
    background: #ffd700;
    color: #333;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.download-btn a:hover {
    background: #ffed4a;
    transform: translateY(-2px);
}

.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    flex: 1;
    padding: 0 20px;
    max-width: 600px;
}

.hero-content h2 {
    font-size: 48px;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: #ffd700;
    color: #333;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s;
}

.btn-primary:hover {
    background: #ffed4a;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255,215,0,0.4);
}

.btn-secondary {
    border: 2px solid white;
    color: white;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s;
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 40px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.screen {
    width: 100%;
    height: 100%;
    background: #0f0f1a;
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.app-header {
    height: 60px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.app-content {
    height: calc(100% - 60px);
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.app-content::before {
    content: '';
    display: block;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
}

.app-content::after {
    content: '';
    display: block;
    flex: 1;
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
}

.features {
    padding: 100px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-card .icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

.news {
    padding: 100px 0;
    background: white;
}

.news h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.news-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.news-content {
    padding: 25px;
}

.news-category {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px;
}

.news-content h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
    line-height: 1.4;
}

.news-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

.news-date {
    color: #999;
    font-size: 14px;
}

.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
}

.download h2 {
    font-size: 36px;
    color: white;
    margin-bottom: 20px;
}

.download-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    margin-bottom: 60px;
}

.download-options {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.download-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    min-width: 250px;
    transition: transform 0.3s;
}

.download-card:hover {
    transform: translateY(-10px);
}

.platform-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.download-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #333;
}

.download-card p {
    color: #666;
    margin-bottom: 20px;
}

.download-link {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.download-link:hover {
    background: #5a6fd6;
}

.download-steps {
    background: rgba(255,255,255,0.1);
    padding: 40px;
    border-radius: 20px;
    max-width: 600px;
    margin: 0 auto;
}

.download-steps h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 24px;
}

.download-steps ol {
    text-align: left;
    color: rgba(255,255,255,0.9);
    font-size: 18px;
    line-height: 2.5;
    padding-left: 20px;
}

.about {
    padding: 100px 0;
    background: #f8f9fa;
}

.about h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #333;
}

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

.about-text p {
    font-size: 18px;
    color: #666;
    line-height: 2;
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.stat-value {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 10px;
}

.stat-label {
    color: #666;
    font-size: 16px;
}

footer {
    background: #1a1a2e;
    padding: 60px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: white;
    font-size: 24px;
    margin-bottom: 20px;
}

.footer-section h4 {
    color: white;
    margin-bottom: 20px;
}

.footer-section p {
    color: #999;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: #ffd700;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    text-decoration: none;
    transition: background 0.3s;
}

.social-icon:hover {
    background: #667eea;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: #666;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-content h2 {
        font-size: 32px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-options {
        flex-direction: column;
        align-items: center;
    }
}