/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Header */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2563eb;
}

.logo h1 a {
    text-decoration: none;
    color: inherit;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #2563eb;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #fff;
    color: #2563eb;
}

.btn-primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #2563eb;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn.coming-soon {
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-icon {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* Phone mockup */
.phone-mockup {
    width: 250px;
    height: 500px;
    background: #1f2937;
    border-radius: 30px;
    padding: 20px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.app-preview {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.task-item {
    padding: 0.75rem;
    background: #f3f4f6;
    border-radius: 8px;
    font-size: 0.9rem;
}

/* Features section */
.features {
    padding: 4rem 0;
    background: #f8fafc;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* Download section */
.download {
    padding: 4rem 0;
    background: #1f2937;
    color: white;
    text-align: center;
}

.download h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.download-buttons {
    margin-bottom: 1rem;
}

.download-note {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Legal pages */
.legal-page {
    padding: 2rem 0;
    min-height: 70vh;
}

.legal-page h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.last-updated {
    color: #666;
    font-style: italic;
    margin-bottom: 2rem;
}

.legal-page section {
    margin-bottom: 2rem;
}

.legal-page h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
    border-bottom: 2px solid #e5e7eb;
    padding-bottom: 0.5rem;
}

.legal-page h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #374151;
}

.legal-page h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #4b5563;
}

.legal-page p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.legal-page ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-page li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.legal-page a {
    color: #2563eb;
    text-decoration: none;
}

.legal-page a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #fff;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 1rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a {
        font-size: 0.9rem;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .phone-mockup {
        width: 200px;
        height: 400px;
    }
    
    .features h2,
    .download h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .legal-page h1 {
        font-size: 2rem;
    }
    
    .legal-page h2 {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .phone-mockup {
        width: 180px;
        height: 360px;
    }
    
    .features,
    .download {
        padding: 2rem 0;
    }
    
    .legal-page {
        padding: 1rem 0;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.btn:focus,
.nav-links a:focus,
.footer-section a:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    header,
    footer,
    .cta-buttons,
    .download {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .legal-page h1 {
        font-size: 18pt;
    }
    
    .legal-page h2 {
        font-size: 14pt;
    }
}