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

body {
    background: #0b0d10;
    color: #e6e6e6;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
    line-height: 1.6;
}

a {
    color: #5da9ff;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

h1 {
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -1px;
    margin-top: 24px;
}

h2 {
    font-size: 1.75rem;
    font-weight: 500;
    margin-bottom: 32px;
    letter-spacing: -0.5px;
}

h3 {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.logo {
    width: 120px;
}

.tagline {
    margin-top: 16px;
    font-size: 1.1rem;
    color: #a0a0a0;
}

.hero {
    text-align: center;
    padding: 120px 0 100px;
}

.actions {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    gap: 16px;
}

.btn {
    padding: 10px 20px;
    border: 1px solid #5da9ff;
    color: #5da9ff;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.btn.outline {
    border-color: #444;
    color: #aaa;
}

.btn:hover {
    background: #5da9ff;
    color: #0b0d10;
}

.list {
    list-style: none;
    color: #b8b8b8;
}

.list li {
    margin-bottom: 12px;
}

.two-column {
    columns: 2;
    column-gap: 60px;
}

.architecture {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 400px;
}

.layer strong {
    display: block;
    font-size: 1rem;
}

.layer span {
    color: #888;
    font-size: 0.9rem;
}

.divider {
    height: 1px;
    background: #222;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
}

.card {
    padding: 24px 0;
    border-top: 1px solid #222;
}

.card p {
    color: #999;
    margin-bottom: 12px;
}

.footer {
    padding: 60px 0;
    border-top: 1px solid #222;
    color: #666;
    font-size: 0.85rem;
    text-align: center;
}