:root {
    --bg-color: #ffffff;
    --text-color: #191919;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --accent-color: #2563eb;
    --accent-hover: #1d4ed8;
    --card-bg: #f9fafb;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #191919;
        --text-color: #ffffff;
        --text-secondary: #9ca3af;
        --border-color: #374151;
        --accent-color: #3b82f6;
        --accent-hover: #2563eb;
        --card-bg: #1f2937;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--bg-color) 0%, #f8fafc 100%);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
}


.main {
    padding-top: 60px;
    padding-bottom: 80px;
}


.back-link {
    margin-bottom: 40px;
}

.back-link a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s ease;
}

.back-link a:hover {
    color: var(--accent-hover);
}

.privacy-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.privacy-link:hover {
    color: var(--accent-color);
}

.content {
    max-width: 1000px;
    margin: 0 auto;
}

.hero {
    margin-bottom: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(37, 99, 235, 0.03) 0%, transparent 70%);
    z-index: -1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.badge {
    background: linear-gradient(135deg, var(--accent-color), #7c3aed);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
    animation: fadeInUp 0.6s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--text-color), #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 16px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Screenshots Section */
.screenshots {
    margin: 60px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 100%;
}

.screenshot-item {
    display: flex;
    justify-content: center;
}

.screenshot-image {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: floatScreenshot 4s ease-in-out infinite;
}

.screenshot-image:nth-child(2) {
    animation-delay: -1.3s;
}

.screenshot-image:nth-child(3) {
    animation-delay: -2.6s;
}

@keyframes floatScreenshot {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

.screenshot-image:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.25);
    animation-play-state: paused;
}


.download {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.02) 0%, rgba(124, 58, 237, 0.02) 100%);
    border-radius: 24px;
    margin: 40px 0;
}

.app-store-badge {
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-store-badge:hover {
    transform: translateY(-2px) scale(1.05);
    filter: brightness(1.1);
}

.app-store-badge:active {
    transform: translateY(0px) scale(1.02);
}

.app-store-badge img {
    width: 200px;
    height: auto;
    max-width: 100%;
    border-radius: 13px;
}

/* Privacy Policy Styles */
.privacy-content {
    max-width: 100%;
}

.privacy-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 32px;
    letter-spacing: -0.025em;
}

.privacy-section {
    margin-bottom: 32px;
}

.privacy-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.privacy-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
}

.privacy-section small {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Footer Styles */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    margin-top: 40px;
    text-align: center;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .main {
        padding-top: 40px;
    }
    
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1.125rem;
    }
    
    .hero-badges {
        gap: 8px;
    }
    
    .badge {
        font-size: 0.8rem;
        padding: 5px 12px;
    }
    
    
    .screenshots {
        margin: 40px 0;
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .screenshot-image {
        max-width: 90%;
        border-radius: 16px;
    }
    
    
    .app-store-badge img {
        width: 180px;
    }
    
    .footer {
        padding: 32px 0;
        margin-top: 32px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .screenshot-image {
        max-width: 95%;
        border-radius: 12px;
    }
    
    .app-store-badge img {
        width: 160px;
    }
    
    .badge {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
}