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

:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-card: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-muted: #b0b0b0;
    --border-color: #404040;
    --primary-color: #ff6b35;
    --primary-gradient: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    --pro-color: #ff6b35;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 96px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.2) 0%, transparent 50%),
        linear-gradient(45deg, transparent 48%, rgba(255, 107, 53, 0.1) 49%, rgba(255, 107, 53, 0.1) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(255, 107, 53, 0.1) 49%, rgba(255, 107, 53, 0.1) 51%, transparent 52%);
    background-size: 200% 200%, 200% 200%, 100px 100px, 100px 100px;
    opacity: 0.8;
    z-index: -1;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 16px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.pulse {
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

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

.subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 576px;
    margin: 0 auto 16px;
}

.pricing {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.pro-price {
    color: var(--text-primary);
    font-weight: 600;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    color: white;
    background: var(--primary-gradient);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

.cta-button:active {
    transform: scale(0.98);
}

/* Features Section */
.features {
    padding-bottom: 80px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.card-title.free {
    color: var(--primary-color);
}

.card-title.pro {
    color: var(--pro-color);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 16px;
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-content h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.feature-content p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Privacy Section */
.privacy {
    text-align: center;
    padding-bottom: 96px;
}

.icon-container {
    margin-bottom: 24px;
}

.app-icon {
    width: 128px;
    height: 128px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.privacy-text {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 900;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.footer-section a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

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

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

/* Responsive Design */
@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 64px 0 60px;
    }
    
    .title {
        font-size: 36px;
    }
    
    .subtitle {
        font-size: 16px;
    }
    
    .cta-button {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .features {
        padding-bottom: 60px;
    }
    
    .privacy {
        padding-bottom: 80px;
    }
    
    .app-icon {
        width: 96px;
        height: 96px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}