:root {
    --primary-color: var(--md-sys-color-primary);
    --primary-container: var(--md-sys-color-primary-container);
    --on-primary-container: var(--md-sys-color-on-primary-container);
    --secondary-container: var(--md-sys-color-secondary-container);
    --text-color: var(--md-sys-color-on-background);
    --text-muted: var(--md-sys-color-on-surface-variant);
    --bg-color: var(--md-sys-color-background);
    --surface-color: var(--md-sys-color-surface);
    --border-color: var(--md-sys-color-outline-variant);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Nav */
header.navbar {
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: var(--primary-color);
}

.nav-links a {
    margin-left: 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    text-align: center;
    background: linear-gradient(180deg, var(--secondary-container) 0%, var(--bg-color) 100%);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--md-sys-color-on-primary);
    padding: 1rem 2.5rem;
    border-radius: 100px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 14px 0 rgba(0,0,0,0.1);
    transition: background-color 0.2s, transform 0.2s;
}

.cta-button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface-color);
    padding: 2.5rem;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
    transition: box-shadow 0.3s, transform 0.3s;
}

.feature-card:hover {
    box-shadow: 0 12px 24px rgba(0,0,0,0.05);
    transform: translateY(-4px);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-muted);
}

/* Policy Content Styling */
.policy-content {
    background: var(--surface-color);
    padding: 4rem;
    margin: 4rem 0;
    border-radius: 2.5rem;
    border: 1px solid var(--border-color);
}

.policy-content h1 {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.policy-content h2 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 2.5rem 0 1rem;
}

.policy-content h3 {
    margin: 1.5rem 0 0.5rem;
    font-weight: 700;
    color: var(--on-primary-container);
}

.policy-content ul {
    margin-left: 1.5rem;
    margin-bottom: 1.5rem;
}

.policy-content li {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    padding: 5rem 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-links {
    margin-bottom: 2rem;
}

.footer-links a {
    margin: 0 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
}

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

.copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.75rem;
    }
    .policy-content {
        padding: 2rem;
    }
    .policy-content h1 {
        font-size: 2.25rem;
    }
}