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

:root {
    --bg: #0a0a0f;
    --surface: #12121a;
    --border: #1e1e2e;
    --text: #e0e0e8;
    --text-dim: #8888a0;
    --accent: #4d94ff;
    --accent-hover: #6aabff;
}

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

/* Nav */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    background: rgba(10, 10, 15, 0.85);
    border-bottom: 1px solid var(--border);
}

nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #4d94ff;
    letter-spacing: -0.03em;
}

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

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

/* Hero */

.hero {
    text-align: center;
    padding: 10rem 2rem 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s, transform 0.15s;
}

.cta-button:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.screenshot {
    margin-top: 4rem;
}

.screenshot img {
    max-width: 100%;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Features */

.features {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 2rem;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
}

.feature-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--accent);
}

.feature h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Download */

.download {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 2rem;
    text-align: center;
}

.download h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.download-sub {
    color: var(--text-dim);
    margin-bottom: 3rem;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.download-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem 1rem;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.2s, transform 0.15s;
}

.download-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.download-icon {
    font-size: 2rem;
}

.download-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.download-ext {
    color: var(--text-dim);
    font-size: 0.8rem;
}

/* Footer */

footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
}

.footer-content {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.footer-sep {
    margin: 0 0.5rem;
}

.footer-content a {
    color: var(--text-dim);
    text-decoration: none;
}

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

/* Responsive */

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .download-grid {
        grid-template-columns: 1fr;
    }
}