/* ============================================================
   Destructurist catalogue — styled after "Hanna's Radio" field manual
   Chakra Petch (headings) · IBM Plex Mono (labels) · Archivo (text)
   ============================================================ */
@font-face { font-family: "Chakra Petch"; font-weight: 500; font-display: swap; src: url(fonts/chakra-petch-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-weight: 600; font-display: swap; src: url(fonts/chakra-petch-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Chakra Petch"; font-weight: 700; font-display: swap; src: url(fonts/chakra-petch-latin-700-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-display: swap; src: url(fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap; src: url(fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-display: swap; src: url(fonts/ibm-plex-mono-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Archivo"; font-weight: 400; font-display: swap; src: url(fonts/archivo-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Archivo"; font-weight: 500; font-display: swap; src: url(fonts/archivo-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Archivo"; font-weight: 700; font-display: swap; src: url(fonts/archivo-latin-700-normal.woff2) format("woff2"); }

:root {
  --ink: #ffffff;            /* lines and text (white on black) */
  --paper: #0d0d0d;          /* page background */
  --grey: #8a8a8a;
  --rule: #ffffff;
  --orange: #ff4f00;
  --b: 2px;                 /* the booklet's frame line */
  --hair: 1px;
  --gap: 14px;
  --pad: 24px;
  --display: "Chakra Petch", "Arial Narrow", sans-serif;
  --mono: "IBM Plex Mono", Menlo, monospace;
  --text: "Archivo", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--paper); color: var(--ink);
  font: 16px/1.45 var(--text);
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; border-radius: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 1px; }
.tile:focus, .tile:focus-visible { outline: none; }

.eyebrow {
  font: 500 12px/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase;
}
.h-big {
  font: 700 clamp(34px, 4.6vw, 64px)/0.95 var(--display);
  text-transform: uppercase; letter-spacing: -.005em;
  margin-top: 6px;
}

/* ---------- Strips (running header / footer) ---------- */
.strip {
  display: flex; align-items: stretch;
  border: var(--b) solid var(--ink);
  background: var(--paper);
  font: 500 13px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
}
.strip-top {
  position: sticky; top: 0; z-index: 30;
  margin: 0 var(--pad);
  border-top: 0;
}
.strip-cell { display: flex; align-items: center; padding: 0 16px; min-height: 44px; white-space: nowrap; }
.strip-brand { text-decoration: none; font-weight: 600; }
.strip-meta { margin-left: auto; color: var(--ink); }
.strip-key {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 0 16px; min-height: 44px;
  font: 600 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  border-left: var(--b) solid var(--ink);
  transition: background .12s, color .12s;
}
.strip-key:hover { background: var(--ink); color: var(--paper); }

/* A/B selector: the black "two lines" panel */
.lines {
  display: flex; align-items: center; gap: 4px;
  margin: 6px 0 6px 8px; padding: 4px;
  background: #000; border: var(--hair) solid #fff; border-radius: 6px;
}
.lines-row {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 12px;
  font: 500 13px/1 var(--text); letter-spacing: .04em; color: #9a9a9a;
  border-radius: 3px;
}
.lines-row b { font: 700 14px/1 var(--display); color: inherit; }
.lines-row:hover { color: #fff; }
.lines-row[aria-selected="true"] { background: #fff; color: #000; }

/* ---------- Footer bar (barcode | tag | meta) ---------- */
.foot {
  display: flex; align-items: stretch;
  border-top: var(--b) solid currentColor;
  font: 500 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
}
.foot > * { display: flex; align-items: center; }
.foot .barcode-foot { width: 210px; padding: 8px 14px; border-right: var(--b) solid currentColor; }
.foot-tag { padding: 0 18px; background: var(--paper); color: var(--ink); border-right: var(--b) solid currentColor; }
.foot-meta { margin-left: auto; padding: 0 16px; }

/* ---------- Barcodes (drawn by app.js) ---------- */
.barcode svg { display: block; width: 100%; height: 100%; }
.barcode-big { height: 120px; margin-top: 56px; }
.barcode-foot { height: 40px; }
.barcode-piece { height: 54px; margin-top: 30px; }
.barcode-legend {
  display: flex; justify-content: space-between; gap: 12px; margin-top: 8px;
  font: 500 12px/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase;
}

/* ---------- Cover (black page) ---------- */
.cover { margin: 0 var(--pad); background: var(--paper); color: #fff; padding: 40px 0; }
.cover-frame { border: var(--b) solid #fff; display: flex; flex-direction: column; min-height: min(88vh, 900px); }
.cover-head {
  display: flex; justify-content: space-between; padding: 16px 22px;
  border-bottom: var(--b) solid #fff;
  font: 500 15px/1 var(--mono); letter-spacing: .16em;
}
.cover-body { flex: 1; padding: 40px 40px 48px; }
.cover-title { margin-top: 10px; font-family: var(--display); text-transform: uppercase; line-height: .86; }
.cover-title .small { display: block; font-weight: 600; font-size: clamp(40px, 5vw, 76px); }
.cover-title .big { display: block; font-weight: 700; font-size: min(190px, calc((100vw - 230px) / 7.7)); letter-spacing: -.01em; white-space: nowrap; }
.cover-lede { margin-top: 28px; max-width: 28em; font: 500 clamp(20px, 2.2vw, 30px)/1.25 var(--text); }
.cover .barcode-big { color: #fff; }
.spec-cover { margin-top: 56px; width: 100%; max-width: 980px; }
.cover .foot { color: #fff; }
.cover .foot .barcode-foot { background: #fff; color: #000; }
.cover .foot .foot-tag { background: #fff; color: #000; }

/* ---------- Tables ---------- */
.spec { border-collapse: collapse; }
.spec th, .spec td { border: var(--b) solid currentColor; padding: 14px 16px; text-align: left; vertical-align: middle; }
.spec th { font: 500 13px/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase; width: 1%; white-space: nowrap; }
.spec td { font: 600 clamp(18px, 1.8vw, 26px)/1.1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }

.spec-rows { width: 100%; margin-top: 26px; border-top: var(--b) solid var(--ink); }
.spec-rows th, .spec-rows td { border: 0; border-bottom: var(--hair) solid var(--ink); padding: 14px 0; }
.spec-rows th { width: 34%; padding-right: 16px; font-size: 11.5px; vertical-align: top; padding-top: 17px; }
.spec-rows td { font: 400 17px/1.4 var(--text); letter-spacing: 0; text-transform: none; }
.spec-rows td.empty { color: var(--grey); }

/* ---------- Pick your line ---------- */
.pick { margin: 0 var(--pad); padding: 48px 0 36px; border-bottom: var(--b) solid var(--ink); }
.pick-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.pick-card {
  position: relative; display: grid; grid-template-columns: 1fr auto; grid-template-rows: 1fr auto;
  min-height: 170px; text-align: left;
  border: var(--b) solid var(--ink);
  transition: box-shadow .12s;
}
.pick-card:hover { box-shadow: 6px 6px 0 var(--orange); }
.pick-name { padding: 18px 20px 0; font: 700 clamp(30px, 3.6vw, 52px)/1 var(--display); text-transform: uppercase; }
.pick-sub { grid-row: 2; padding: 0 20px 18px; font: 500 12px/1.3 var(--mono); letter-spacing: .14em; }
.pick-box {
  grid-column: 2; grid-row: 1 / span 2;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  min-width: 150px; padding: 0 18px;
  border-left: var(--b) dashed var(--ink);
}
.pick-box small { font: 600 12px/1 var(--mono); letter-spacing: .14em; }
.pick-box strong { font: 700 clamp(48px, 5vw, 76px)/1 var(--display); }
.pick-card[aria-pressed="true"] .pick-box { background: var(--ink); color: var(--paper); border-left-style: solid; }
.pick-legend { margin-top: 18px; text-align: center; font: 600 12px/1.4 var(--mono); letter-spacing: .14em; }

/* ---------- Section head + stream ---------- */
.sec-head { margin: 0 var(--pad); padding: 40px 0 26px; }
.stream { margin: 0 var(--pad); }
.stream[hidden] { display: none; }

.tile {
  position: relative; display: block; width: 100%; overflow: hidden;
  border: 0; background: #1a1a1a;
  text-align: left;
  animation: drop .45s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes drop { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.tile img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .35s; }
.tile img.in { opacity: 1; }
.batch .tile { aspect-ratio: 1 / 1; }
.tag {
  position: absolute; left: 0; bottom: 0;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  font: 600 12px/1 var(--mono); letter-spacing: .14em;
  background: #000; color: #fff;
  transition: background .12s;
}
.tag .go { display: none; }
.tile:hover .tag, .tile:focus-visible .tag { background: var(--orange); }
.tile:hover .tag .go, .tile:focus-visible .tag .go { display: inline; }
.tile .flag {
  position: absolute; top: 0; right: 0; padding: 6px 10px;
  font: 600 11px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
  background: var(--orange); color: #fff;
}
.sentinel { height: 2px; }

/* ---------- Product page ---------- */
body.locked { overflow: hidden; }
.page, .viewer { position: fixed; inset: 0; z-index: 60; overflow-y: auto; overscroll-behavior: contain; animation: fade .16s ease; }
.page { background: var(--paper); }
.page[hidden], .viewer[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.page .strip-top .strip-key:first-child { border-left: 0; border-right: var(--b) solid var(--ink); }
.page-body {
  display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(320px, 1fr); gap: 44px; align-items: start;
  margin: 0 var(--pad); padding: 30px 0 10px;
}
.p-frame { background: #1a1a1a; }
.p-frame img { width: 100%; height: auto; transition: opacity .2s; }
.p-frame img.loading { opacity: .3; }
.p-info { position: sticky; top: 74px; }
.p-name { font-size: clamp(40px, 4.4vw, 68px); }
.p-status { display: inline-block; margin-top: 14px; padding: 6px 10px; background: var(--orange); color: #fff; font: 600 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.p-status:empty { display: none; }
.p-price { margin-top: 26px; font: 700 clamp(44px, 4.6vw, 70px)/1 var(--display); color: var(--orange); }
.p-price:empty { display: none; }
.p-price small { display: block; font: 600 13px/1.3 var(--mono); letter-spacing: .14em; color: var(--ink); }
.p-ask { margin-top: 30px; }
.p-contact[hidden], .p-ask[hidden] { display: none; }
.p-contact { display: flex; flex-wrap: wrap; margin-top: 10px; border: var(--b) solid var(--ink); }
.p-contact a {
  flex: 1 1 auto; display: flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 0 14px; text-decoration: none;
  font: 600 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase;
  border-right: var(--b) solid var(--ink);
  transition: background .12s, color .12s;
}
.p-contact a:last-child { border-right: 0; }
.p-contact a:hover { background: var(--ink); color: var(--paper); }

.more { margin: 0 var(--pad); padding: 30px 0 36px; }
.more-row { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.more-row .tile { aspect-ratio: 1 / 1; }
.more-row .tag { padding: 5px 7px; font-size: 10px; }
.foot-page { margin: 0 var(--pad) var(--pad); border: var(--b) solid var(--ink); }
.foot-page .barcode-foot, .foot-page .foot-tag { border-color: var(--ink); }
.foot-page .foot-tag { background: var(--ink); color: var(--paper); }

/* ---------- Ambient viewer ---------- */
.viewer { background: #000; color: #fff; display: flex; flex-direction: column; }
.viewer-frame { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; padding: 28px; }
.viewer img { max-width: 100%; max-height: 100%; object-fit: contain; }
.foot-viewer { margin: 0 28px 28px; border: var(--b) solid #fff; }
.foot-viewer .strip-key { border-left: var(--b) solid #fff; color: #fff; }
.foot-viewer .strip-key:hover { background: #fff; color: #000; }
.foot-viewer .foot-meta { margin-left: 0; margin-right: auto; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .page-body { grid-template-columns: 1fr; gap: 26px; }
  .p-info { position: static; }
  .more-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .strip-meta { display: none; }
}
@media (max-width: 760px) {
  :root { --pad: 12px; --gap: 8px; }
  .strip { font-size: 11px; }
  .strip-top { flex-wrap: wrap; }
  .strip-brand { flex: 1; padding: 0 12px; }
  .strip-key { padding: 0 12px; }
  .lines { order: 5; width: 100%; margin: 0; border-radius: 0; padding: 4px; }
  .lines-row { flex: 1; justify-content: center; }
  .cover { padding: 14px 0; }
  .cover-head { font-size: 11px; padding: 12px 14px; }
  .cover-body { padding: 26px 18px 30px; }
  .cover-title .big { font-size: calc((100vw - 100px) / 7.7); }
  .barcode-big { height: 80px; margin-top: 36px; }
  .spec th, .spec td { padding: 10px; }
  .spec-cover th { font-size: 10px; letter-spacing: .08em; }
  .spec-cover td { font-size: 15px; }
  .barcode-legend { font-size: 10px; }
  .foot .barcode-foot { width: 90px; padding: 6px 8px; }
  .foot-tag { padding: 0 10px; font-size: 10px; }
  .foot-meta { font-size: 10px; padding: 0 10px; }
  .pick-cards { grid-template-columns: 1fr; gap: 12px; }
  .pick-card { min-height: 120px; }
  .pick-box { min-width: 96px; }
  .tag { padding: 5px 7px; font-size: 10px; gap: 6px; }
  .page .strip-top .strip-brand { order: -1; flex: 0 0 100%; border-bottom: var(--b) solid var(--ink); min-height: 38px; }
  .page .strip-top .strip-key { flex: 1; }
  .page .strip-top .strip-key:first-child { border-right: 0; }
  .viewer-frame { padding: 12px; }
  .foot-viewer { margin: 0 12px 12px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }