:root {
    --primary: #1f4e79;
    --primary-dark: #163a5a;
    --accent: #2e7d6c;
    --bg: #f7f6f2;
    --card: #ffffff;
    --ink: #1a1f2b;
    --muted: #5b6478;
    --border: #e3e1d8;
    --shadow: 0 8px 30px rgba(31, 78, 121, 0.10);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}
a:hover { color: var(--primary-dark); }

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--card);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ink);
    font-weight: 700;
    letter-spacing: 0.2px;
}

.brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.site-nav a {
    margin-left: 18px;
    text-decoration: none;
    color: var(--muted);
    font-weight: 500;
}
.site-nav a:hover { color: var(--primary); }

.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 20px;
}

.card {
    max-width: 720px;
    width: 100%;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 40px 36px;
    box-shadow: var(--shadow);
}

.kicker {
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    margin: 0 0 8px 0;
}

h1 {
    font-size: clamp(26px, 4vw, 34px);
    line-height: 1.2;
    margin: 0 0 14px 0;
    color: var(--primary-dark);
}

.lede {
    font-size: 17px;
    color: var(--ink);
    margin: 0 0 22px 0;
}

.quick-list {
    list-style: none;
    padding: 0;
    margin: 0 0 26px 0;
    display: grid;
    gap: 10px;
}

.quick-list li {
    background: #f3f7fb;
    border-left: 3px solid var(--primary);
    padding: 10px 14px;
    border-radius: 4px;
    font-size: 15px;
}

.aside {
    border-top: 1px solid var(--border);
    padding-top: 18px;
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.site-footer {
    padding: 24px;
    text-align: center;
    border-top: 1px solid var(--border);
    background: var(--card);
}

.site-footer p { margin: 4px 0; }
.muted { color: var(--muted); font-size: 14px; }

@media (max-width: 540px) {
    .site-header { flex-direction: column; gap: 8px; padding: 14px; }
    .site-nav a { margin: 0 10px; }
    .card { padding: 28px 22px; }
}