:root {
    --bg: #f5f7fb;
    --surface: #ffffff;
    --text: #162033;
    --muted: #5e6a82;
    --line: #d9e1ee;
    --brand: #3456d1;
    --brand-dark: #223a97;
    --radius: 18px;
    --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}
.wrap {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--line);
}
.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}
.brand {
    color: var(--brand-dark);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}
.site-nav a {
    margin-left: 16px;
    text-decoration: none;
    color: var(--muted);
    font-weight: 600;
}
.hero {
    padding: 56px 0 24px;
}
.eyebrow {
    color: var(--brand);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.82rem;
}
.hero h1 {
    font-size: clamp(2rem, 6vw, 4rem);
    line-height: 1.02;
    max-width: 12ch;
    margin: 12px 0 16px;
}
.lede {
    max-width: 48rem;
    color: var(--muted);
    font-size: 1.1rem;
}
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    padding-bottom: 48px;
}
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}
.card h2 {
    margin-top: 0;
    font-size: 1.05rem;
}
.card p {
    color: var(--muted);
    margin-bottom: 0;
    line-height: 1.5;
}
.messages {
    list-style: none;
    padding: 0;
}