/* MuseumVR — site styles. Warm stone and terracotta, Roman serif headings, light and dark themes. */
:root {
  --bg: #f7f2ea; --bg-alt: #efe6d8; --panel: #ffffff; --ink: #2a2118; --ink-soft: #5d5044; --line: #ddd0bd;
  --accent: #9c3d24; --accent-ink: #ffffff; --accent-soft: #f3dfd6; --gold: #a8803e;
  --radius: 14px; --shadow: 0 1px 2px rgba(60, 40, 20, .06), 0 6px 24px rgba(60, 40, 20, .08);
  --serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', Palatino, 'Times New Roman', serif;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --wrap: 1120px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17130f; --bg-alt: #1f1914; --panel: #241d17; --ink: #f1e8da; --ink-soft: #c2b4a1; --line: #3a3027;
    --accent: #d9774f; --accent-ink: #1b120c; --accent-soft: #3a241a; --gold: #d2ac6a;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 24px rgba(0, 0, 0, .35);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.65 var(--sans); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; letter-spacing: .01em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; text-wrap: pretty; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--panel); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

/* header */
.site-head { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--serif); font-size: 1.3rem; font-weight: 700; letter-spacing: .04em; }
.brand svg { width: 30px; height: 30px; flex: none; }
.nav { display: flex; gap: 4px 18px; flex-wrap: wrap; font-size: .95rem; }
.nav a { color: var(--ink-soft); text-decoration: none; padding: 6px 2px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); text-decoration: underline; }

/* buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; border: 2px solid var(--accent); }
.btn:hover { filter: brightness(1.07); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); }
.btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }

/* hero */
.hero { padding: 56px 0 40px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.eyebrow { font-size: .82rem; text-transform: uppercase; letter-spacing: .14em; color: var(--gold); font-weight: 700; margin-bottom: .6em; }
.lead { font-size: 1.15rem; color: var(--ink-soft); }
.hero figure { margin: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.hero figcaption, .shot figcaption { font-size: .85rem; color: var(--ink-soft); padding: 8px 2px 0; }
.hero figure figcaption { background: var(--panel); padding: 8px 12px; }

/* sections */
section { padding: 52px 0; }
section.alt { background: var(--bg-alt); border-block: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 28px; }
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.card p:last-child { margin-bottom: 0; }
.step-n { font-family: var(--serif); font-size: 2rem; color: var(--accent); line-height: 1; margin-bottom: 8px; }
.shot { margin: 0; }
.shot img { border-radius: 10px; border: 1px solid var(--line); }
.ticks { list-style: none; padding: 0; margin: 0 0 1em; }
.ticks li { padding-left: 28px; position: relative; margin: .45em 0; }
.ticks li::before { content: ''; position: absolute; left: 4px; top: .55em; width: 12px; height: 7px; border-left: 3px solid var(--accent); border-bottom: 3px solid var(--accent); transform: rotate(-45deg); }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0; }
.facts div { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.facts dt { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-soft); }
.facts dd { margin: 4px 0 0; font-family: var(--serif); font-size: 1.25rem; }
.note { border-left: 4px solid var(--gold); background: var(--panel); padding: 14px 18px; border-radius: 0 10px 10px 0; color: var(--ink-soft); }
.cta { text-align: center; }
.cta .btns { justify-content: center; }

/* FAQ */
details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 0 18px; margin: 0 0 10px; }
summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--accent); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: '–'; }
details > div { padding: 0 0 16px; color: var(--ink-soft); }

/* forms */
form { display: grid; gap: 14px; }
label { font-weight: 600; font-size: .95rem; }
input, textarea, select { width: 100%; font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; }
textarea { min-height: 150px; resize: vertical; }

/* legal pages */
.prose { max-width: 780px; }
.prose h2 { font-size: 1.35rem; margin-top: 1.6em; }
.prose li { margin: .35em 0; }
.updated { color: var(--ink-soft); font-size: .92rem; }

/* footer */
.site-foot { border-top: 1px solid var(--line); padding: 36px 0 44px; font-size: .92rem; color: var(--ink-soft); }
.site-foot .wrap { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 28px; }
.site-foot a { color: var(--ink-soft); }
.site-foot ul { list-style: none; padding: 0; margin: 0; }
.site-foot li { margin: .3em 0; }
.site-foot .legal-line { grid-column: 1 / -1; margin: 8px 0 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: .85rem; }

@media (max-width: 900px) {
  .hero-grid, .g2 { grid-template-columns: 1fr; }
  .g3, .g4, .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-foot .wrap { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .g3, .g4, .facts { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
  section { padding: 40px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }