/* Naoba's own palette, so the page and the application are plainly the same
   thing: warm off-white paper, near-black text, and one orange that is only
   ever used for something you can act on. */
:root {
  --bg: #f5f4f1;
  --surface: #ffffff;
  --ink: #17181a;
  --dim: #55524d;
  --faint: #8a8781;
  --line: #ddd9d3;
  --fill: #efede8;
  --accent: #ff4b12;
  --accent-700: #bf3308;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --body: -apple-system, BlinkMacSystemFont, "Helvetica Neue", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-700); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 940px; margin: 0 auto; padding: 0 24px; }

header.top { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 20; }
header.top .wrap { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; font-size: 17px; letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand img { width: 28px; height: 28px; }
nav.links { display: flex; gap: 20px; align-items: center; }
nav.links a { color: var(--dim); font-weight: 500; font-size: 14px; }
@media (max-width: 640px) { nav.links a:not(.btn) { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff !important;
  font-weight: 600; font-size: 15px; padding: 11px 20px;
  border-radius: 3px; border: none; cursor: pointer;
}
.btn:hover { background: var(--accent-700); text-decoration: none; }
.btn.quiet { background: var(--fill); color: var(--ink) !important; border: 1px solid var(--line); }
.btn.quiet:hover { background: #e7e4de; }
nav.links .btn { padding: 8px 15px; font-size: 14px; }
.price { font-family: var(--mono); font-size: 13px; color: var(--faint); letter-spacing: 0.04em; }

.hero { padding: 76px 0 48px; }
.hero h1 { font-size: clamp(34px, 5vw, 52px); font-weight: 600; letter-spacing: -0.035em; line-height: 1.08; margin: 0 0 20px; max-width: 20ch; }
.hero p.lead { font-size: 19px; color: var(--dim); max-width: 62ch; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta .note { font-size: 14px; color: var(--faint); }

section.block { padding: 44px 0; border-top: 1px solid var(--line); }
section.block h2 { font-size: clamp(24px, 3.2vw, 32px); font-weight: 600; letter-spacing: -0.03em; margin: 0 0 14px; }
section.block p.sub { color: var(--dim); font-size: 17px; max-width: 68ch; margin: 0 0 26px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 20px 22px; }
.card h3 { margin: 0 0 8px; font-size: 16px; font-weight: 600; }
.card p { margin: 0; color: var(--dim); font-size: 15px; }

pre.code { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 16px 18px; overflow-x: auto; font: 13.5px/1.6 var(--mono); margin: 0; }
code { font-family: var(--mono); font-size: 0.92em; background: var(--fill); padding: 1px 5px; border-radius: 2px; }
pre.code code { background: none; padding: 0; font-size: inherit; }

figure.shot { margin: 0; }
figure.shot img { width: 100%; height: auto; display: block; border: 1px solid var(--line); border-radius: 3px; background: var(--surface); }
figure.shot figcaption { color: var(--faint); font-size: 14px; margin-top: 10px; }

.legend { font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin: 0 0 10px; }

.buy { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 28px; display: flex; flex-wrap: wrap; gap: 22px; align-items: center; justify-content: space-between; }
.buy .amount { font-size: 40px; font-weight: 600; letter-spacing: -0.03em; }
.buy ul { margin: 8px 0 0; padding-left: 18px; color: var(--dim); font-size: 15px; }

footer.foot { border-top: 1px solid var(--line); padding: 30px 0 48px; color: var(--faint); font-size: 14px; }
footer.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px; align-items: center; }
footer.foot a { color: var(--faint); font-weight: 500; margin-left: 18px; }

article.doc { max-width: 760px; margin: 0 auto; padding: 44px 24px 24px; }
article.doc h1 { font-size: clamp(28px, 4vw, 38px); font-weight: 600; letter-spacing: -0.03em; margin: 0 0 8px; }
article.doc .meta { color: var(--faint); font-size: 14px; margin-bottom: 28px; }
article.doc h2 { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; margin: 32px 0 10px; }
article.doc h3 { font-size: 17px; font-weight: 600; margin: 24px 0 6px; }
article.doc p, article.doc li { font-size: 16.5px; }
article.doc .summary { background: var(--surface); border: 1px solid var(--line); border-radius: 3px; padding: 18px 20px; }
article.doc .summary ul { margin: 8px 0 0; padding-left: 20px; }