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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background-color: #ffffff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-image {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: cover;
}

.nav-logo h2 {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: #4a5568;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    color: #1a202c;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 20px;
    color: #4a5568;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.btn-primary, .btn-secondary {
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.btn-primary.large, .btn-secondary.large {
    padding: 20px 40px;
    font-size: 18px;
}

/* Hero Visual */
.poster-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    transform: rotate(12deg);
}

.poster-card {
    aspect-ratio: 2/3;
    border-radius: 16px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.poster-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}

.poster-card:hover {
    transform: translateY(-8px);
}

.poster-card:nth-child(2) {
    transform: translateY(40px);
}

.color-palette {
    position: absolute;
    bottom: 16px;
    left: 16px;
    display: flex;
    gap: 8px;
}

.color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Features Section */
.features {
    padding: 120px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 20px;
    color: #4a5568;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    padding: 40px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: white;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 16px;
}

.feature-card p {
    color: #4a5568;
    line-height: 1.6;
}

/* How it works */
.how-it-works {
    padding: 120px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    margin-top: 80px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin: 0 auto 24px;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
}

.step h3 {
    font-size: 24px;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 16px;
}

.step p {
    color: #4a5568;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.download-content h2 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.download-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.download .btn-primary {
    background: white;
    color: #667eea;
}

.download .btn-primary:hover {
    background: #f8fafc;
}

.download .btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.download .btn-secondary:hover {
    background: white;
    color: #667eea;
}

.download-note {
    opacity: 0.8;
    font-size: 14px;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #667eea;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
    text-align: center;
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .poster-grid {
        transform: none;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .section-header h2 {
        font-size: 36px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .download-content h2 {
        font-size: 36px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .nav-container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .features {
        padding: 80px 0;
    }
    
    .how-it-works {
        padding: 80px 0;
    }
    
    .download {
        padding: 80px 0;
    }
    
    .footer {
        padding: 60px 0 30px;
    }
}