:root {
  --bg: #e6e4df; --sheet: #f7f6f3; --ink: #1c1b19; --muted: #6d6a63; --line: #dcd9d2;
  --accent: #a24b2a; --gold: #a8843f; --ok: #3d6b4f;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f0f0e; --sheet: #191917; --ink: #ecebe7; --muted: #9b978f; --line: #2d2c29;
          --accent: #d07a52; --gold: #c9a560; --ok: #7fb08f; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); }
.sheet { max-width: 560px; margin: 0 auto; background: var(--sheet); min-height: 100vh; }
.mono { font-family: var(--mono); font-size: .92em; letter-spacing: .02em; }
.small { font-size: .82rem; }
.muted { color: var(--muted); }
a { color: inherit; }

.mast { display: flex; justify-content: space-between; align-items: baseline; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.wordmark { font-weight: 600; letter-spacing: .28em; text-transform: uppercase; font-size: .78rem; }
.kind { font-family: var(--mono); font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }

.hero-img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.concrete { position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(0,0,0,.05) 39px 40px),
    repeating-linear-gradient(90deg, transparent 0 59px, rgba(0,0,0,.04) 59px 60px),
    radial-gradient(120% 90% at 20% 10%, #c9c5bc 0%, #a9a59c 55%, #8c887f 100%); }
.concrete span { position: absolute; background: rgba(28,27,25,.82); }
.concrete span:nth-child(1) { left: 14%; top: 22%; width: 34%; height: 56%; }
.concrete span:nth-child(2) { left: 52%; top: 36%; width: 30%; height: 42%; background: var(--accent); opacity: .9; }
.concrete span:nth-child(3) { left: 52%; top: 22%; width: 12%; height: 10%; background: #e9e6df; }
.hero-text { padding: 26px 22px 10px; }
.collection { margin: 0 0 4px; font-family: var(--mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; color: var(--accent); }
h1 { font-family: var(--serif); font-weight: 400; font-size: 2.6rem; line-height: 1.04; margin: 0 0 10px; }
.desc { margin: 0; color: var(--muted); }

.verify { display: flex; gap: 14px; align-items: center; margin: 18px 22px 6px; padding: 14px 16px; border: 1px solid var(--line); border-radius: 4px; }
.seal { flex: none; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--ok); color: #fff; font-weight: 600; }
.v-title { margin: 0; font-weight: 600; }
.v-meta { margin: 0; color: var(--muted); font-size: .86rem; }

.block { padding: 26px 22px; border-top: 1px solid var(--line); }
.block:first-of-type { border-top: 0; }
h2 { font-family: var(--mono); font-weight: 500; font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin: 0 0 16px; }
h3 { font-size: .95rem; font-weight: 600; margin: 0 0 8px; }

.story blockquote { margin: 0 0 20px; font-family: var(--serif); font-size: 1.45rem; line-height: 1.35; }
.artwork { margin: 0 0 18px; }
.artwork img, .artwork-ph { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; display: block; border-radius: 2px; }
.artwork-ph { background:
  radial-gradient(30% 22% at 30% 40%, #6c5fa3 0 60%, transparent 61%),
  radial-gradient(22% 18% at 62% 34%, #8a7cc4 0 60%, transparent 61%),
  radial-gradient(26% 20% at 48% 62%, #5a4d92 0 60%, transparent 61%),
  linear-gradient(170deg, #d9c9a3, #b59a6a); }
figcaption { font-size: .82rem; color: var(--muted); margin-top: 8px; font-style: italic; font-family: var(--serif); font-size: 1rem; }
.place { display: flex; gap: 12px; align-items: center; text-decoration: none; padding: 12px 14px; border: 1px solid var(--line); border-radius: 4px; margin-bottom: 18px; }
.pin { font-size: 1.3rem; color: var(--accent); }
.place-name { display: block; }
.coords { display: block; color: var(--muted); font-size: .78rem; }
.note { margin: 0; font-family: var(--serif); font-style: italic; font-size: 1.15rem; }
.sig { display: block; font-family: var(--sans); font-style: normal; font-size: .82rem; color: var(--muted); margin-top: 6px; }

.part + .part { margin-top: 20px; }
.mat + .mat { margin-top: 12px; }
.mat-row { display: flex; justify-content: space-between; gap: 12px; }
.mat-bar { height: 3px; background: var(--line); margin: 6px 0 4px; }
.mat-bar span { display: block; height: 100%; background: var(--ink); }
.origin { font-size: .82rem; color: var(--muted); }

.certs, .care { list-style: none; margin: 0; padding: 0; }
.certs li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.certs li:last-child { border-bottom: 0; }
.c-name { display: block; font-weight: 500; }
.c-meta { font-size: .82rem; color: var(--muted); }
.care li { padding-left: 18px; position: relative; margin-bottom: 6px; }
.care li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 1px; background: var(--ink); }
.care + p { margin-top: 16px; }

.timeline { list-style: none; margin: 0 0 18px; padding: 0 0 0 16px; border-left: 1px solid var(--line); }
.timeline li { position: relative; padding: 0 0 12px 8px; display: flex; flex-direction: column; }
.timeline li::before { content: ""; position: absolute; left: -21px; top: 7px; width: 9px; height: 9px; border-radius: 50%; background: var(--sheet); border: 1px solid var(--ink); }
.t-date { font-family: var(--mono); font-size: .76rem; color: var(--muted); }
.btn-line { font: inherit; font-weight: 500; background: transparent; color: var(--ink); border: 1px solid var(--ink); padding: 10px 18px; border-radius: 2px; cursor: pointer; }
.btn-line:hover { background: var(--ink); color: var(--sheet); }
.flash { padding: 10px 12px; background: color-mix(in srgb, var(--ok) 14%, transparent); border-radius: 4px; }
.flash.warn { background: color-mix(in srgb, var(--accent) 14%, transparent); }

.tech dl { display: grid; grid-template-columns: 7.5rem 1fr; gap: 8px 12px; margin: 0; font-size: .9rem; }
.tech dt { color: var(--muted); }
.tech dd { margin: 0; overflow-wrap: anywhere; }

.end { padding: 30px 22px 40px; text-align: center; color: var(--muted); border-top: 1px solid var(--line); }
.end p { margin: 4px 0; }
.end p:first-of-type:not(.sample) { font-family: var(--serif); font-size: 1.15rem; color: var(--ink); }
.sample { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--accent); margin-bottom: 12px !important; }

@media (min-width: 600px) {
  body { padding: 32px 0; }
  .sheet { min-height: 0; box-shadow: 0 1px 0 var(--line), 0 20px 60px rgba(0,0,0,.08); }
}