* {
    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: #f8f9fa;
}

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

/* Navigation */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    color: #e74c3c;
    font-weight: 700;
}

.logo-img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: color 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-links a:hover,
.nav-links a.active {
    color: #e74c3c;
    background-color: #fff5f5;
}

/* Main Content */
main {
    padding: 3rem 20px;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 3rem;
}

.hero h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.25rem;
    color: #7f8c8d;
}

/* Sections */
section {
    background: white;
    padding: 2.5rem;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

section h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid #e74c3c;
    padding-bottom: 0.5rem;
}

section h4 {
    color: #34495e;
    font-size: 1.3rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

section p {
    margin-bottom: 1rem;
    color: #555;
}

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

.feature-card {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
}

.feature-card h4 {
    margin-top: 0;
    font-size: 1.2rem;
}

/* Contact Section */
.contact-info {
    margin-top: 2rem;
}

.contact-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
}

.contact-item strong {
    display: block;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-item a {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

/* Download Section */
.download-section {
    text-align: center;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background-color: #e74c3c;
    color: white;
}

.btn-secondary {
    background-color: #34495e;
    color: white;
}

/* Privacy Policy Specific Styles */
.privacy-page {
    max-width: 900px;
    margin: 0 auto;
}

.privacy-page h2 {
    color: #2c3e50;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
}

.last-updated {
    color: #7f8c8d;
    font-style: italic;
    margin-bottom: 2rem;
}

.privacy-page ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.privacy-page li {
    margin-bottom: 0.5rem;
    color: #555;
}

.third-party-service {
    margin: 1.5rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 5px;
    border-left: 3px solid #3498db;
}

.summary-table table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

.summary-table th,
.summary-table td {
    padding: 1rem;
    text-align: left;
    border: 1px solid #ddd;
}

.summary-table th {
    background-color: #e74c3c;
    color: white;
    font-weight: 600;
}

.summary-table tr:nth-child(even) {
    background-color: #f8f9fa;
}

.not-collected {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #d4edda;
    border-radius: 8px;
    border-left: 4px solid #28a745;
}

.not-collected h4 {
    color: #155724;
    margin-top: 0;
}

.not-collected ul {
    margin-left: 1.5rem;
}

.acknowledgment {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1.5rem;
    margin-top: 2rem;
}

.acknowledgment p {
    margin: 0;
    color: #856404;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-top: 3rem;
}

footer p {
    margin: 0.5rem 0;
}

footer a {
    color: #e74c3c;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

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

    .nav-links {
        gap: 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    section {
        padding: 1.5rem;
    }

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

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

    .summary-table {
        overflow-x: auto;
    }

    .summary-table table {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.5rem;
    }

    section h3 {
        font-size: 1.4rem;
    }

    section h4 {
        font-size: 1.1rem;
    }
}