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

:root {
    --primary: #007AFF;
    --primary-dark: #0051D5;
    --accent: #5AC8FA;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #ffffff;
}

.full-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.header-wrapper {
    position: sticky;
    top: 0;
    background: rgba(250, 250, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e0e0f0;
    box-shadow: 0 1px 3px rgba(0, 122, 255, 0.1);
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.header-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.header-nav {
    display: flex;
    gap: 2rem;
}

.header-nav a {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Main */
.main-wrapper {
    flex: 1;
}

.hero-section {
    text-align: center;
    padding: 6rem 2rem 4rem;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    line-height: 1.1;
    color: #1a1a1a;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #666;
    font-weight: 400;
    margin-bottom: 3rem;
}

.download-link {
    display: inline-block;
    transition: transform 0.2s;
}

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

.download-link img {
    width: 200px;
    height: auto;
}

.features-section {
    padding: 4rem 2rem 6rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.feature-card {
    background: linear-gradient(135deg, #fafafa 0%, #f5f8ff 100%);
    border: 1px solid #e5e5e5;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 122, 255, 0.15);
    border-color: var(--primary);
}

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

.feature-card p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #fafafa 0%, #f5f8ff 100%);
    border-top: 1px solid #e5e5e5;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.footer-content a {
    color: var(--primary);
    text-decoration: none;
    margin-left: 1rem;
    transition: color 0.2s;
}

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

/* Policy Page */
.policy-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem 6rem;
}

.policy-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.effective-date {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 3rem;
}

.policy-content section {
    margin-bottom: 2.5rem;
}

.policy-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
}

.policy-content p {
    color: #444;
    line-height: 1.8;
    font-size: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        padding: 1rem;
    }
    
    .header-nav {
        gap: 1rem;
    }
    
    .hero-section {
        padding: 4rem 1.5rem 3rem;
    }
    
    .features-section {
        padding: 3rem 1.5rem 4rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .policy-content {
        padding: 3rem 1.5rem 4rem;
    }
    
    .policy-content h1 {
        font-size: 2rem;
    }
}