:root {
    --primary-color: #000000;
    --text-color: #1a1a1a;
    --light-gray: #f5f5f7;
    --border-color: #e5e5e5;
    --accent-color: #0071e3;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}

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

body {
    font-family: var(--font-stack);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Header */
.site-header {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.logo img {
    height: 30px;
    width: auto;
    margin-right: 10px;
    border-radius: 6px;
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-size: 0.95rem;
    font-weight: 500;
    color: #444;
    transition: color 0.2s;
}

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

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-1px);
}

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: 100px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-sub {
    font-size: 1.2rem;
    color: #555;
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

/* Features Grid */
.features-grid {
    padding: 80px 0;
    background-color: var(--light-gray);
}

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

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

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

/* Speed Comparison */
.speed-comparison {
    padding: 100px 0;
}

.speed-comparison h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 60px;
}

.comparison-content {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.comparison-text {
    flex: 1;
    min-width: 300px;
    font-size: 1.1rem;
    color: #555;
}

.stats {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-item {
    background: var(--light-gray);
    padding: 20px 30px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-item.typeless {
    background: var(--primary-color);
    color: white;
}

.stat-item .label {
    font-weight: 600;
    font-size: 1.1rem;
}

.stat-item .value {
    font-size: 2rem;
    font-weight: 800;
}

.stat-item .badge {
    background: rgba(255,255,255,0.2);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-left: 10px;
}

/* Platform Support & Privacy */
.platform-support, .privacy {
    padding: 80px 0;
    text-align: center;
}

.platform-support {
    background-color: var(--light-gray);
}

.platform-support h2, .privacy h2, .final-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.privacy-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
    text-align: left;
}

.privacy-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* Final CTA */
.final-cta {
    padding: 120px 0;
    text-align: center;
    background: black;
    color: white;
}

.final-cta h2 {
    color: white;
}

.final-cta p {
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.final-cta .btn-primary {
    background: white;
    color: black;
}

.final-cta .btn-primary:hover {
    background: #e5e5e5;
}

/* Footer */
footer {
    padding: 60px 0 20px;
    background-color: white;
    border-top: 1px solid var(--border-color);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h4 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #666;
    font-size: 0.9rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: #888;
    font-size: 0.9rem;
}

.legal-links a {
    margin-left: 20px;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .site-header .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav ul {
        gap: 15px;
    }
    
    .comparison-content {
        gap: 30px;
    }
}