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

:root {
    --bg: #000;
    --surface: #111;
    --border: #222;
    --text1: #fff;
    --text2: #999;
    --accent: #fff;
    --max-width: 1080px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text1);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Nav */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--text1);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links a {
    color: var(--text2);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text1);
}

/* Hero */
.hero {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 160px 24px 80px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 24px;
}

.subtitle {
    font-size: 18px;
    color: var(--text2);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.cta {
    display: inline-block;
    padding: 14px 32px;
    background: var(--text1);
    color: var(--bg);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    border-radius: 100px;
    transition: opacity 0.2s;
}

.cta:hover {
    opacity: 0.85;
}

/* Platforms */
.platforms {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.platform-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.platform-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--border);
    border-radius: 8px;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 12px;
}

.platform-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}

.platform-card p {
    font-size: 13px;
    color: var(--text2);
    line-height: 1.5;
}

/* Features */
.features {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 24px;
    border-top: 1px solid var(--border);
}

.features h2 {
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 48px;
    text-align: center;
}

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

.feature h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature p {
    font-size: 14px;
    color: var(--text2);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 80px 24px;
    border-top: 1px solid var(--border);
}

.cta-section h2 {
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 12px;
}

.cta-section p {
    color: var(--text2);
    font-size: 16px;
    margin-bottom: 32px;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 32px 24px;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-left p {
    color: var(--text2);
    font-size: 13px;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text2);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text1);
}

/* Privacy page */
.privacy {
    max-width: 720px;
    margin: 0 auto;
    padding: 120px 24px 80px;
}

.privacy h1 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.privacy .last-updated {
    color: var(--text2);
    font-size: 14px;
    margin-bottom: 48px;
}

.privacy h2 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 40px;
    margin-bottom: 12px;
}

.privacy p, .privacy li {
    color: var(--text2);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 12px;
}

.privacy ul {
    padding-left: 20px;
    margin-bottom: 12px;
}

.privacy li {
    margin-bottom: 6px;
}

.privacy a {
    color: var(--text1);
}

/* Responsive */
@media (max-width: 640px) {
    .platform-grid {
        grid-template-columns: 1fr 1fr;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

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