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

:root {
    --primary-color: #555;
    --secondary-color: #333;
    --accent-color: #007AFF;
    --light-bg: #f5f5f5;
    --white: #ffffff;
    --text-color: #333333;
    --border-color: #e5e5e5;
}

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

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

/* Navigation */
.navbar {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand a {
    font-size: 24px;
    font-weight: 600;
    color: var(--secondary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 120px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero .tagline {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 60px 20px;
    text-align: center;
}

.page-header h1 {
    font-size: 40px;
    font-weight: 700;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.cta-button:hover {
    background-color: #0051d5;
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 80px 20px;
    background-color: var(--light-bg);
}

.features h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 18px rgba(0, 0, 0, 0.12);
}

.feature-card h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
    font-size: 20px;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 60px 20px;
    text-align: center;
}

.cta-section h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
}

/* About Content */
.about-content,
.policy-content,
.contact-content {
    padding: 60px 20px;
}

.about-content h2,
.policy-content h2,
.contact-content h2 {
    color: var(--secondary-color);
    margin-top: 40px;
    margin-bottom: 20px;
    font-size: 28px;
}

.about-content p,
.policy-content p,
.contact-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #555;
}

.about-content ul,
.policy-content ul,
.contact-content ul {
    margin: 20px 0 20px 40px;
    line-height: 1.9;
}

.about-content li,
.policy-content li,
.contact-content li {
    margin-bottom: 12px;
}

/* Contact Info Cards */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.contact-card {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.contact-card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.contact-card p a {
    color: var(--accent-color);
    text-decoration: none;
}

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

/* Contact Form */
.contact-form-section {
    background-color: var(--light-bg);
    padding: 40px;
    border-radius: 8px;
    margin-top: 40px;
}

.contact-form-section h3 {
    color: var(--secondary-color);
    margin-bottom: 30px;
    font-size: 24px;
}

.contact-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-note {
    margin-top: 15px;
    font-size: 14px;
    color: #666;
    font-style: italic;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 40px 20px;
    text-align: center;
    margin-top: 60px;
}

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

footer p {
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.last-updated {
    color: #999;
    font-size: 14px;
    margin-bottom: 30px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        gap: 15px;
    }

    .nav-menu a {
        font-size: 14px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero .tagline {
        font-size: 18px;
    }

    .page-header h1 {
        font-size: 32px;
    }

    .features h2 {
        font-size: 28px;
    }

    .cta-section h2 {
        font-size: 26px;
    }

    .footer-links {
        gap: 15px;
    }

    .about-content h2,
    .policy-content h2,
    .contact-content h2 {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-menu {
        flex-direction: column;
        gap: 10px;
    }

    .hero {
        padding: 80px 20px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero .tagline {
        font-size: 16px;
    }

    .page-header {
        padding: 40px 20px;
    }

    .page-header h1 {
        font-size: 24px;
    }

    .features,
    .cta-section,
    .about-content,
    .policy-content,
    .contact-content {
        padding: 40px 15px;
    }

    .contact-form-section {
        padding: 25px;
    }
}