:root { color-scheme: light; --ink: #1f2937; --muted: #5f6b7a; --line: rgba(31, 41, 55, .12); --paper: #fff; --wash: #f7f9fb; --accent: #10b981; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--wash); font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
a { color: inherit; }
.site-header, .site-footer, main { width: min(860px, calc(100% - 32px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 24px 0; }
.brand { font-size: 1.2rem; font-weight: 850; text-decoration: none; letter-spacing: -.03em; }
.back-link { color: var(--muted); font-weight: 700; text-decoration: none; }
.back-link:hover, .site-footer a:hover { color: var(--ink); text-decoration: underline; }
main { margin-bottom: 48px; }
.hero, .article { background: var(--paper); border: 1px solid var(--line); border-radius: 24px; box-shadow: 0 18px 42px rgba(31, 41, 55, .06); }
.hero { padding: clamp(28px, 6vw, 64px); background: radial-gradient(circle at 10% 0, rgba(16,185,129,.13), transparent 32rem), var(--paper); }
.eyebrow { margin: 0 0 10px; color: #087b5c; font-size: .78rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
h1 { max-width: 740px; margin: 0; font-size: clamp(2.25rem, 7vw, 4.5rem); line-height: .98; letter-spacing: -.055em; }
.lead { max-width: 670px; margin: 22px 0 0; color: var(--muted); font-size: 1.16rem; }
.cta { display: inline-block; margin-top: 28px; padding: 12px 18px; border-radius: 999px; background: var(--ink); color: white; font-weight: 800; text-decoration: none; }
.article { margin-top: 20px; padding: clamp(24px, 5vw, 52px); }
.article h2 { margin: 1.8em 0 .45em; font-size: 1.5rem; line-height: 1.2; letter-spacing: -.025em; }
.article h2:first-child { margin-top: 0; }
.article h3 { margin-bottom: .25em; font-size: 1.08rem; }
.article p, .article li { color: #465264; }
.article li + li { margin-top: .42em; }
.callout { margin: 28px 0; padding: 20px; border-left: 4px solid var(--accent); border-radius: 0 14px 14px 0; background: #effcf6; }
.faq dt { margin-top: 22px; font-weight: 850; }
.faq dd { margin: 5px 0 0; color: #465264; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 16px; padding: 0 0 30px; color: var(--muted); font-size: .9rem; }
.site-footer a { text-decoration: none; }
@media (max-width: 560px) { .site-header { padding: 18px 0; } .hero, .article { border-radius: 18px; } }