:root { color-scheme: light dark; --fg: #1a1a1a; --bg: #fff; --muted: #555; --line: #ddd; --link: #0b57d0; }
@media (prefers-color-scheme: dark) { :root { --fg: #eee; --bg: #121212; --muted: #aaa; --line: #333; --link: #8ab4f8; } }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--fg); background: var(--bg); }
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 1rem 1.25rem; }
header { border-bottom: 1px solid var(--line); }
header a.brand { font-weight: 700; text-decoration: none; color: var(--fg); }
nav { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: .25rem; }
a { color: var(--link); }
a:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }
h1 { font-size: 1.75rem; line-height: 1.25; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
.notice { border: 2px solid var(--line); border-radius: .5rem; padding: 1rem; }
.phone { font-size: 1.4rem; font-weight: 700; }
blockquote { margin: 1rem 0; padding: .5rem 1rem; border-left: 4px solid var(--line); color: var(--muted); }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
/* S1-A offer, calculator, audit, trade and comparison pages (2026-10-15). Class selectors only, so the 10DLC pages are unchanged. */
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1rem 0 .5rem; }
.cta { display: inline-block; padding: .7rem 1.1rem; border-radius: .5rem; background: var(--link); color: var(--bg); text-decoration: none; border: 2px solid var(--link); font: inherit; font-weight: 700; cursor: pointer; }
.cta-alt { background: transparent; color: var(--link); }
.small { font-size: .9rem; color: var(--muted); }
.plan { border: 2px solid var(--line); border-radius: .5rem; padding: 1rem 1.25rem; }
.plan h2 { margin-top: 0; }
.price { margin: .25rem 0; }
.price .amount { font-size: 2.25rem; font-weight: 800; }
.checks { padding-left: 1.25rem; }
.steps li { margin-bottom: .5rem; }
.calc, .audit { display: grid; gap: .35rem; max-width: 28rem; margin: 1rem 0; }
.calc label, .audit label { font-weight: 600; margin-top: .5rem; }
.calc input, .audit input, .audit select, .audit textarea { font: inherit; padding: .5rem .6rem; border: 1px solid var(--muted); border-radius: .35rem; background: var(--bg); color: var(--fg); width: 100%; }
.audit .cta { margin-top: 1rem; justify-self: start; }
.result { display: grid; grid-template-columns: 1fr auto; gap: .35rem 1rem; margin: 0; }
.result dt { color: var(--muted); }
.result dd { margin: 0; font-weight: 700; text-align: right; }
.table-wrap { overflow-x: auto; }
.compare { border-collapse: collapse; width: 100%; margin: 1rem 0; }
.compare caption { text-align: left; color: var(--muted); font-size: .9rem; padding-bottom: .25rem; }
.compare th, .compare td { border: 1px solid var(--line); padding: .5rem .6rem; text-align: left; vertical-align: top; }
.faq h3 { font-size: 1.05rem; margin-bottom: .25rem; }