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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --text: #1f2937;
    --text-light: #6b7280;
    --bg: #ffffff;
    --bg-alt: #f9fafb;
    --border: #e5e7eb;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 16px;
    font-weight: 800;
}

.tagline {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--primary);
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--bg-alt);
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 48px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    text-align: center;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    margin: 0 auto 20px;
}

.feature h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
}

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

/* About Section */
.about {
    padding: 80px 0;
    text-align: center;
}

.about h2 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.about p {
    max-width: 700px;
    margin: 0 auto 16px;
    color: var(--text-light);
}

/* Privacy Content */
.privacy-content {
    padding: 60px 0;
    min-height: calc(100vh - 200px);
}

.privacy-content h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
}

.last-updated {
    color: var(--text-light);
    margin-bottom: 40px;
}

.privacy-content section {
    margin-bottom: 32px;
}

.privacy-content h2 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text);
}

.privacy-content h3 {
    font-size: 1.125rem;
    margin: 16px 0 8px;
}

.privacy-content p {
    margin-bottom: 12px;
    color: var(--text-light);
}

.privacy-content ul {
    margin: 12px 0 12px 24px;
    color: var(--text-light);
}

.privacy-content li {
    margin-bottom: 8px;
}

/* Footer */
footer {
    background: var(--text);
    color: white;
    padding: 32px 0;
    text-align: center;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

footer p {
    opacity: 0.7;
}

footer a {
    color: white;
    opacity: 0.7;
    text-decoration: none;
    transition: opacity 0.2s;
}

footer a:hover {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .hero {
        padding: 60px 0;
    }

    .features, .about {
        padding: 50px 0;
    }

    footer .container {
        flex-direction: column;
        text-align: center;
    }
}