/* SPDX-License-Identifier: AGPL-3.0-or-later */
/* arca-vault.org: one column, Arca's palette, light and dark from the system. */
:root {
  --bg: #f6f6f4; --panel: #ffffff; --line: #e4e3df; --text: #1b1b1a;
  --muted: #5f5e5a; --accent: #4f46e5; --accent-bg: #eceafd; --on-accent: #ffffff;
  --code-bg: #15161a; --code-text: #e6e6ea;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "DejaVu Sans", sans-serif;
  --serif: Georgia, "DejaVu Serif", serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, "DejaVu Sans Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316; --panel: #1b1c20; --line: #2b2c31; --text: #ececea;
    --muted: #a3a29d; --accent: #8b85ff; --accent-bg: #26244a; --on-accent: #121316;
    --code-bg: #0c0d0f; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--font); }
a { color: var(--accent); }
.wrap { max-width: 1100px; margin: 0 auto; padding-inline: 20px; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; }
.logo img { width: 32px; height: 32px; }
header.top nav { display: flex; gap: 18px; font-size: 15px; }
header.top nav a { color: var(--muted); text-decoration: none; }
header.top nav a:hover, header.top nav a:focus-visible { color: var(--text); }
section { padding-block: 56px; border-top: 1px solid var(--line); }
section:first-of-type { border-top: 0; padding-top: 32px; }
h1, h2 { font-family: var(--serif); font-weight: 400; line-height: 1.15; text-wrap: balance; margin: 0 0 16px; }
h1 { font-size: clamp(34px, 6vw, 56px); max-width: 18ch; }
h2 { font-size: clamp(26px, 4vw, 36px); }
h3 { font-size: 18px; margin: 0 0 6px; }
.lead { font-size: 20px; color: var(--muted); max-width: 60ch; margin: 0 0 24px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 9px; font-weight: 600; text-decoration: none; border: 1px solid var(--line); color: var(--text); background: var(--panel); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.shot { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); box-shadow: 0 12px 40px rgb(0 0 0 / 0.08); }
.hero .shot { max-height: 620px; object-fit: cover; object-position: top; }
.questions { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.questions figure { margin: 0; display: grid; gap: 12px; align-content: start; }
.questions img { aspect-ratio: 4 / 3; object-fit: cover; object-position: top; }
.questions figcaption { color: var(--muted); }
.questions figcaption h3 { color: var(--text); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px 32px; padding: 0; list-style: none; margin: 0; }
.features p { margin: 0; color: var(--muted); font-size: 16px; }
.privacy ul { padding-left: 20px; max-width: 70ch; }
pre { background: var(--code-bg); color: var(--code-text); padding: 18px 20px; border-radius: 10px; overflow-x: auto; font: 14px/1.6 var(--mono); }
.faq details { border-bottom: 1px solid var(--line); padding-block: 14px; max-width: 75ch; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 10px 0 0; color: var(--muted); }
footer { border-top: 1px solid var(--line); padding-block: 28px 48px; color: var(--muted); font-size: 15px; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.status { font-size: 15px; color: var(--muted); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }