:root {
    --fg: #111827;
    --muted: #6b7280;
    --bg: #ffffff;
    --accent: #2563eb;
    --accent-fg: #ffffff;
    --accent-2: #059669;
    --border: #e5e7eb;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--fg);
    background: var(--bg);
    line-height: 1.5;
}
.container { max-width: 960px; margin: 0 auto; padding: 0 1.25rem; }

.site-header { border-bottom: 1px solid var(--border); padding: 1rem 0; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.site-header .brand { font-weight: 700; text-decoration: none; color: var(--fg); }
.site-header nav a { margin-left: 1rem; text-decoration: none; color: var(--muted); }
.site-header nav a:hover { color: var(--fg); }

.hero { padding: 4rem 0 2rem; }
.hero h1 { font-size: 2.25rem; margin: 0 0 1rem; }
.hero .lede { color: var(--muted); font-size: 1.125rem; max-width: 36rem; }
.cta { margin-top: 1.5rem; display: flex; flex-direction: column; align-items: center; gap: 0.75rem; width: fit-content; }
.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--accent-fg); }
.btn-secondary { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-tertiary { background: var(--accent-2); color: var(--accent-fg); min-width: 11.25rem; text-align: center; }

.badge {
    display: inline-block;
    background: var(--accent-2);
    color: var(--accent-fg);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.625rem;
    border-radius: 999px;
    margin: 0 0 1rem;
}

.how { padding: 2rem 0 4rem; }
.how h2 { font-size: 1.5rem; }
.how ol { color: var(--muted); }

.site-footer { border-top: 1px solid var(--border); padding: 2rem 0; color: var(--muted); }