/* 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: #333;
    background-color: #f8fafc;
}

.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 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    font-size: 2rem;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2196F3;
}

.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: #2196F3;
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 80vh;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: #2196F3;
    color: white;
}

.btn-primary:hover {
    background: #1976D2;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #2196F3;
    border: 2px solid #2196F3;
}

.btn-secondary:hover {
    background: #2196F3;
    color: white;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    width: 300px;
    height: 600px;
    background: #1a1a1a;
    border-radius: 30px;
    padding: 20px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    object-position: top center;
    border-radius: 20px;
    display: block;
    -webkit-user-select: none;
    user-select: none;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-perspective: 1000;
    perspective: 1000;
}

.app-preview {
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.app-header h3 {
    color: #2196F3;
    font-size: 1.5rem;
    font-weight: 700;
}

.progress-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #e3f2fd;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 70%;
    background: #2196F3;
    border-radius: 50%;
}

.water-level {
    flex: 1;
    background: linear-gradient(to bottom, #e3f2fd 0%, #bbdefb 100%);
    border-radius: 20px;
    position: relative;
    margin-bottom: 2rem;
    overflow: hidden;
}

.water-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60%;
    background: linear-gradient(to top, #2196F3, #64b5f6);
    border-radius: 0 0 20px 20px;
}

.quick-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.quick-btn {
    background: #2196F3;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 3rem;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    background: #f8fafc;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 1rem;
}

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

/* Download Section */
.download {
    padding: 6rem 0;
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    color: white;
    text-align: center;
}

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

.download p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.download-btn {
    transition: transform 0.3s ease;
}

.download-btn:hover {
    transform: scale(1.05);
}

.download-btn img {
    height: 60px;
    width: auto;
}

.download-note {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Legal Section */
.legal {
    padding: 6rem 0;
    background: #f8fafc;
}

.legal h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 3rem;
}

.legal-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.legal-link {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.legal-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.legal-link h3 {
    color: #2196F3;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.legal-link p {
    color: #666;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: #1a202c;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-brand .logo {
    font-size: 1.5rem;
}

.footer-brand .brand-name {
    font-size: 1.25rem;
    font-weight: 700;
}

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

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #2d3748;
    color: #a0aec0;
}

/* Legal Pages */
.legal-page {
    padding: 4rem 0;
    background: white;
    min-height: 80vh;
}

.legal-page h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 1rem;
    text-align: center;
}

.last-updated {
    text-align: center;
    color: #666;
    font-style: italic;
    margin-bottom: 3rem;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.legal-content h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1a202c;
    margin: 2.5rem 0 1rem 0;
    padding-top: 1rem;
    border-top: 2px solid #e2e8f0;
}

.legal-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2196F3;
    margin: 2rem 0 1rem 0;
}

.legal-content p {
    margin-bottom: 1.5rem;
    color: #4a5568;
}

.legal-content ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    color: #4a5568;
}

.legal-content strong {
    color: #1a202c;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 3rem 1rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .legal-links {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }
}