:root {
--paper: #F4F1EA; --ink: #1C1F1A; --muted: #5A5E57; --rule: #D8D2C4;
--laterite: #B5462B; --spinifex: #5F6F2E; --panel: #FBF9F4;
--flag-bg: #F6E1DA; --pass-bg: #E6EBD6; --on-accent: #FFFFFF;
--sans: "IBM Plex Sans", system-ui, sans-serif; --mono: "IBM Plex Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
:root:not([data-theme="light"]) {
--paper: #141612; --ink: #ECE8DE; --muted: #A7AAA0; --rule: #34372F;
--laterite: #E58266; --spinifex: #A9BB6E; --panel: #1B1E18;
--flag-bg: #3A221B; --pass-bg: #262D19; --on-accent: #141612;
}
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--sans); }
a { color: inherit; text-decoration-color: var(--laterite); text-underline-offset: 3px; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--laterite); outline-offset: 3px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
header.top { border-bottom: 1px solid var(--rule); }
header.top .wrap { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.mark { font-family: var(--mono); font-weight: 500; letter-spacing: .02em; text-decoration: none; }
.mark span { color: var(--laterite); }
nav a.opt { display: none; }
@media (min-width: 640px) { nav a.opt { display: inline; } }
nav a { margin-left: 20px; font-size: 15px; color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--ink); }
.hero { padding: 48px 16px 40px; display: grid; gap: 40px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .hero { grid-template-columns: 1.05fr 1fr; align-items: center; padding: 96px 16px 72px; } }
.hero > * { min-width: 0; }
.eyebrow { font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: .12em; color: var(--spinifex); margin: 0 0 16px; }
h1 { font-size: clamp(34px, 5.2vw, 56px); line-height: 1.08; margin: 0 0 20px; font-weight: 700; letter-spacing: -.02em; }
h1 em { font-style: normal; color: var(--laterite); }
.lede { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.btn { display: inline-block; background: var(--laterite); color: var(--on-accent); padding: 14px 22px; border-radius: 4px; font-weight: 600; text-decoration: none; }
.btn:hover { filter: brightness(1.08); }
.btn-note { display: block; margin-top: 10px; font-size: 14px; color: var(--muted); }
.sheet { margin: 0; background: var(--panel); border: 1px solid var(--rule); border-radius: 6px; font-family: var(--mono); font-size: 13px; overflow: hidden; }
.sheet-head { display: flex; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid var(--rule); color: var(--muted); }
.sheet table { width: 100%; border-collapse: collapse; }
.sheet th, .sheet td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--rule); white-space: nowrap; }
.sheet th { font-weight: 500; color: var(--muted); font-size: 12px; }
.sheet .scroll { overflow-x: auto; }
.flag td { background: var(--flag-bg); }
.flag .x { color: var(--laterite); font-weight: 500; }
.ok .x { color: var(--spinifex); }
.sheet-foot { padding: 10px 14px; color: var(--muted); font-size: 12px; }
section { padding: 56px 0; border-top: 1px solid var(--rule); }
h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -.01em; }
.sub { color: var(--muted); margin: 0 0 32px; max-width: 40em; }
.steps { display: grid; gap: 16px; grid-template-columns: 1fr; counter-reset: s; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { border-left: 3px solid var(--spinifex); padding: 4px 0 4px 18px; }
.step b { display: block; font-size: 18px; margin-bottom: 4px; }
.step code { font-family: var(--mono); font-size: 13px; color: var(--spinifex); }
.offers { display: grid; gap: 0; grid-template-columns: 1fr; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
.offer { padding: 22px; background: var(--panel); border-bottom: 1px solid var(--rule); display: grid; gap: 6px; }
.offer:last-child { border-bottom: 0; }
@media (min-width: 760px) { .offer { grid-template-columns: 1fr 2fr auto; align-items: baseline; gap: 24px; } }
.offer h3 { margin: 0; font-size: 18px; }
.offer p { margin: 0; color: var(--muted); }
.price { font-family: var(--mono); font-weight: 500; white-space: nowrap; }
.free { color: var(--spinifex); }
.rules { display: grid; gap: 14px; grid-template-columns: 1fr; padding: 0; margin: 0; list-style: none; }
@media (min-width: 760px) { .rules { grid-template-columns: 1fr 1fr; } }
.rules li { padding: 16px 18px; border: 1px solid var(--rule); border-radius: 6px; }
.rules b { display: block; }
.about { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .about { grid-template-columns: 1fr 1.4fr; } }
.cta { text-align: left; }
footer { padding: 32px 0 48px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }
@media (prefers-reduced-motion: no-preference) { .btn { transition: filter .15s; } }


nav a[aria-current="page"] { color: var(--ink); }
.page-head { padding: 56px 16px 24px; }
.page-head h1 { font-size: clamp(30px, 4.4vw, 46px); }
.prose > * { max-width: 46em; }
.prose > .card { max-width: 52em; }
.prose h2 { margin-top: 40px; font-size: clamp(22px, 2.6vw, 28px); }
.prose h3 { margin: 24px 0 6px; font-size: 18px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 4px 0; }
.prose p { margin: 0 0 14px; }
.card { border: 1px solid var(--rule); border-radius: 6px; background: var(--panel); padding: 22px; margin: 0 0 16px; }
.card h2 { margin-top: 0; }
.meta { font-family: var(--mono); font-size: 14px; color: var(--muted); margin: 0 0 12px; }
.meta b { color: var(--ink); font-weight: 500; }
.footer-links a { margin-right: 16px; }