/* styles.css gives per see a quiet editorial layout with shared navigation and readable policies.
   System fonts and local assets keep every page independent of third-party font or script services.
   Narrow screens use the same content order, with visible focus indicators and no decorative motion. */
:root { color-scheme: light; --paper: #f4f1e9; --ink: #272b24; --muted: #626658; --line: #d6d8ca; --accent: #48603e; }
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.8 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: .24em; }
a:hover { color: var(--accent); }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
.skip { position: absolute; top: -100px; left: 1rem; background: var(--ink); color: white; padding: .5rem 1rem; z-index: 2; }
.skip:focus { top: 1rem; }
.shell { width: min(1120px, calc(100% - 64px)); margin: auto; }
header { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; border-bottom: 1px solid var(--line); gap: 24px; }
.wordmark { font-size: 32px; line-height: 1; letter-spacing: -.08em; font-weight: 600; text-decoration: none; }
nav { display: flex; gap: 28px; font-size: 14px; }
nav a { text-decoration: none; }
nav a[aria-current="page"] { text-decoration: underline; }
.eyebrow { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.hero { padding: 76px 0 60px; display: grid; grid-template-columns: 1.45fr 1fr; gap: 50px; align-items: center; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { font-size: clamp(44px, 6vw, 76px); line-height: 1.2; letter-spacing: -.055em; font-weight: 500; margin: 26px 0; }
.hero p { max-width: 460px; color: var(--muted); }
.actions { display: flex; gap: 22px; align-items: center; margin-top: 32px; flex-wrap: wrap; }
.button { display: inline-block; background: var(--ink); color: var(--paper); padding: 11px 23px; border-radius: 3px; text-decoration: none; font-size: 14px; }
.button:hover { background: var(--accent); color: white; }
.viewfinder { aspect-ratio: 3/4; background: #bcc4a8; padding: 22px; position: relative; overflow: hidden; border: 1px solid #b2b99f; }
.viewfinder::before { content: ""; display: block; position: absolute; width: 85%; aspect-ratio: 1; border-radius: 50%; background: #dfe0bf; left: -25%; top: 10%; }
.viewfinder::after { content: ""; display: block; position: absolute; width: 130%; height: 55%; background: #6e7b5b; transform: rotate(-16deg); bottom: -18%; left: -5%; }
.frame-corner { position: absolute; inset: 18px; border: 1px solid #f4f1e980; z-index: 1; }
.frame-label { position: absolute; bottom: 33px; right: 33px; color: white; z-index: 1; text-align: right; font-size: 13px; line-height: 1.6; }
.frame-label small { font-size: 10px; opacity: .8; }
.section { border-top: 1px solid var(--line); padding: 42px 0; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.features h2 { font-size: 19px; font-weight: 500; }
.features p { font-size: 14px; color: var(--muted); margin-bottom: 0; }
.number { color: var(--muted); font-size: 11px; display: block; margin-bottom: 22px; }
.note { color: var(--muted); font-size: 13px; }
footer { border-top: 1px solid var(--line); padding: 24px 0 36px; display: flex; justify-content: space-between; gap: 24px; font-size: 12px; color: var(--muted); }
footer div { display: flex; gap: 24px; }
.document { max-width: 760px; margin: 66px auto 80px; }
.document h1 { font-size: clamp(32px, 5vw, 46px); line-height: 1.3; font-weight: 500; letter-spacing: -.04em; margin: 16px 0; }
.document h2 { font-size: 21px; font-weight: 500; margin-top: 36px; }
.document p, .document li { color: #4c5147; }
.document .intro { font-size: 18px; }
.document .meta { color: var(--muted); font-size: 13px; margin-bottom: 35px; }
.document ul { padding-left: 22px; }
.document a { overflow-wrap: anywhere; }
details { border-top: 1px solid var(--line); padding: 18px 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 500; }
details p { margin: 14px 0 0; }
@media (max-width: 680px) {
  .shell { width: calc(100% - 40px); }
  header { padding: 24px 0; gap: 16px; }
  nav { gap: 18px; font-size: 13px; }
  .hero { padding: 48px 0 40px; grid-template-columns: 1fr; gap: 36px; }
  .viewfinder { width: min(100%, 360px); justify-self: center; }
  .features { grid-template-columns: 1fr; gap: 30px; }
  .number { margin-bottom: 8px; }
  .document { margin: 42px auto 60px; }
  footer { flex-direction: column; gap: 12px; }
}