/* ============================================================
   AI Design Catalog — shared gallery chrome
   Warm paper, ink, hairlines, one accent. Deliberately not slop.
   ============================================================ */

:root {
  --paper: #f6f3ec;
  --paper-2: #efe9dd;
  --card: #fbfaf6;
  --ink: #1b1916;
  --ink-2: #4a433a;
  --muted: #7a7266;
  --faint: #a89f90;
  --hair: #ddd6c6;
  --hair-2: #eae4d6;
  --accent: #e4572e;
  --accent-ink: #ffffff;
  --code-bg: #1d1b18;
  --code-ink: #e9e4d9;
  --code-muted: #9b917f;
  --ok: #1f7a4d;
  --display: "Helvetica Neue", Helvetica, Arial, "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.55 var(--display);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

/* ---------- type helpers ---------- */

.eyebrow {
  font: 700 11px/1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.mono { font-family: var(--mono); }

.hairline { border: 0; border-top: 1px solid var(--hair); margin: 0; }

/* ---------- top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(246, 243, 236, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--hair);
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.wordmark {
  font: 800 20px/1 var(--display);
  letter-spacing: -0.04em;
  text-decoration: none;
  white-space: nowrap;
}
.wordmark b { color: var(--accent); }

.topbar-tag {
  font: 500 11px/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-left: 1px solid var(--hair);
  padding-left: 18px;
  white-space: nowrap;
}

.topbar-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.topbar-nav a {
  font: 600 13px/1 var(--display);
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--ink-2);
}
.topbar-nav a:hover { background: var(--paper-2); }
.topbar-nav a.cta {
  background: var(--ink);
  color: var(--paper);
  border-radius: 8px;
}
.topbar-nav a.cta:hover { background: var(--accent); color: var(--accent-ink); }

/* ---------- hero ---------- */

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 84px 24px 56px;
}

.hero .eyebrow { color: var(--accent); font-weight: 700; }

.hero h1 {
  margin: 18px 0 0;
  max-width: 15ch;
  font: 800 64px/0.98 var(--display);
  letter-spacing: -0.045em;
}

.hero .standfirst {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-2);
}

.hero-actions { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }

.hero-proof {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  font: 500 12.5px/1.5 var(--mono);
  color: var(--muted);
}
.hero-proof span b { color: var(--ink); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 700 12.5px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: var(--card);
  border: 1.5px solid var(--ink);
  border-radius: 8px;
  padding: 12px 16px;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.08s ease, background 0.08s ease;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 rgba(27, 25, 22, 0.9); }
.btn:active { transform: translate(0, 0); box-shadow: none; }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-sm { padding: 8px 12px; font-size: 11.5px; border-radius: 7px; }
.btn[disabled] { opacity: 0.5; cursor: default; pointer-events: none; }
.btn .copied { color: var(--ok); }

/* ---------- layout containers ---------- */

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.section { padding: 64px 0; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.section-head h2 {
  margin: 8px 0 0;
  font: 800 34px/1.05 var(--display);
  letter-spacing: -0.03em;
}

.section-head .note { font: 500 12.5px/1.5 var(--mono); color: var(--muted); text-align: right; }

/* ---------- filters ---------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 26px;
}

.filter-chip {
  font: 600 12.5px/1 var(--mono);
  letter-spacing: 0.04em;
  padding: 9px 13px;
  border-radius: 999px;
  border: 1px solid var(--hair);
  background: var(--card);
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.1s ease;
}
.filter-chip:hover { border-color: var(--ink); }
.filter-chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.search {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--hair);
  background: var(--card);
  border-radius: 999px;
  padding: 9px 15px;
  min-width: 240px;
}
.search svg { flex: none; }
.search input {
  border: 0;
  outline: 0;
  background: transparent;
  font: 500 13.5px/1 var(--display);
  color: var(--ink);
  width: 100%;
}
.search input::placeholder { color: var(--faint); }

/* ---------- device format tabs ---------- */
.format-tabs {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 20px 0 12px;
}
.format-tab {
  font: 600 11px/1 var(--mono);
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--hair); background: var(--card);
  color: var(--ink-2); cursor: pointer; transition: all 0.15s;
}
.format-tab .count { color: var(--faint); margin-left: 4px; }
.format-tab:hover { border-color: var(--faint); color: var(--ink); }
.format-tab.active {
  background: var(--ink); border-color: var(--ink); color: var(--card);
}
.format-tab.active .count { color: rgba(251, 250, 246, 0.55); }

/* ---------- reference cards ---------- */

.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
}

.ref-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}
.ref-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(27, 25, 22, 0.08); border-color: var(--faint); }

.ref-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--paper-2);
  border-bottom: 1px solid var(--hair);
  overflow: hidden;
  display: block;
}
.ref-thumb .thumb-inner { position: absolute; inset: 0; }

/* the whole preview box opens the full-size image (lightbox in the SPA) */
.preview-open { display: block; cursor: zoom-in; }
.preview-open img { pointer-events: none; }

.ref-meta {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.ref-meta .title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.ref-meta h3 { margin: 0; font: 800 17px/1.15 var(--display); letter-spacing: -0.02em; }
.ref-meta .slug { font: 500 11px/1.4 var(--mono); color: var(--faint); }

.ref-meta p { margin: 0; font-size: 13.5px; line-height: 1.5; color: var(--ink-2); }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }

.tag {
  font: 600 10.5px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--hair);
  background: var(--paper);
  border-radius: 999px;
  padding: 5px 9px;
}
.tag.cat { color: var(--accent); border-color: rgba(228, 87, 46, 0.4); background: rgba(228, 87, 46, 0.07); }

.ref-card .go {
  margin-top: 4px;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 6px;
}
.ref-card .go span { transition: transform 0.12s ease; }
.ref-card:hover .go span { transform: translateX(4px); }

/* ---------- featured card ---------- */

.featured {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.12s ease, transform 0.12s ease;
}
.featured { cursor: pointer; }
.featured:hover { box-shadow: 0 14px 30px rgba(27, 25, 22, 0.1); transform: translateY(-2px); }
.featured .thumb { min-height: 380px; position: relative; overflow: hidden; }
.featured .body { padding: 36px; display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.featured h3 { margin: 0; font: 800 30px/1.05 var(--display); letter-spacing: -0.03em; }
.featured p { margin: 0; font-size: 15px; line-height: 1.55; color: var(--ink-2); }
.featured .copy-btn {
  align-self: flex-start;
  margin-top: 8px;
}

/* ---------- how it works ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.step {
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 12px;
  padding: 26px;
}
.step .num {
  font: 800 30px/1 var(--mono);
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}
.step h3 { margin: 0 0 8px; font: 800 16px/1.2 var(--display); letter-spacing: -0.01em; }
.step p { margin: 0; font-size: 13.5px; line-height: 1.55; color: var(--ink-2); }
.step code {
  font: 500 12px/1.5 var(--mono);
  background: var(--paper-2);
  border: 1px solid var(--hair);
  padding: 1px 5px;
  border-radius: 5px;
}

.callout {
  margin-top: 30px;
  border: 1.5px solid var(--ink);
  border-radius: 12px;
  background: var(--card);
  padding: 22px 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.callout .ico { font-size: 20px; line-height: 1.2; }
.callout p { margin: 0; font-size: 14px; line-height: 1.6; }
.callout code {
  font: 500 12.5px/1.5 var(--mono);
  background: var(--paper-2);
  border: 1px solid var(--hair);
  padding: 1px 6px;
  border-radius: 5px;
}
.callout a { color: var(--accent); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- reference detail page ---------- */

.ref-header { padding: 44px 0 30px; }
.breadcrumbs { display: flex; gap: 8px; align-items: center; font: 500 12px/1 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 22px; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .sep { color: var(--faint); }

.ref-title-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.ref-title-row h1 { margin: 10px 0 0; font: 800 44px/1 var(--display); letter-spacing: -0.04em; }
.ref-title-row .desc { margin: 14px 0 0; max-width: 60ch; font-size: 16.5px; line-height: 1.55; color: var(--ink-2); }

.agbox {
  margin-top: 26px;
  border: 1.5px solid var(--ink);
  border-radius: 12px;
  background: var(--card);
  overflow: hidden;
}
.agbox-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  background: var(--ink);
  color: var(--paper);
  font: 700 11px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.agbox-head .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.agbox-body { padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.agbox-url {
  font: 500 13.5px/1.4 var(--mono);
  word-break: break-all;
  background: var(--paper-2);
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 11px 13px;
  color: var(--ink);
}
.agbox-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.agbox-note { font: 500 12px/1.5 var(--mono); color: var(--muted); }

/* layout: preview + info */
.ref-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 34px;
  align-items: start;
  padding-bottom: 80px;
}

.frame-card {
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 12px;
  overflow: hidden;
}
.frame-card .frame-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--hair);
  background: var(--paper);
}
.frame-card .frame-label .eyebrow { color: var(--muted); }
.frame-frame { position: relative; width: 100%; overflow: hidden; background: #fff; }
.frame-frame iframe { display: block; border: 0; transform-origin: top left; }

/* info column */
.info-col { display: flex; flex-direction: column; gap: 26px; min-width: 0; }

.panel {
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 12px;
  overflow: hidden;
}
.panel > h3 {
  margin: 0;
  padding: 14px 18px;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--hair);
  background: var(--paper);
  display: flex;
  align-items: center;
  gap: 8px;
}
.panel > h3 .n { color: var(--accent); }

.tok-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.tok-table th {
  text-align: left;
  font: 600 10.5px/1 var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--faint);
  padding: 10px 18px 6px;
}
.tok-table td {
  padding: 8px 18px;
  border-top: 1px solid var(--hair-2);
  vertical-align: top;
}
.tok-table td:first-child { font: 600 12.5px/1.4 var(--mono); color: var(--ink-2); white-space: nowrap; }
.tok-table .swatch {
  display: inline-block;
  width: 15px;
  height: 15px;
  border-radius: 4px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  vertical-align: -3px;
  margin-right: 8px;
}
.tok-table .val { font: 500 12.5px/1.4 var(--mono); color: var(--muted); }

.copy-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding: 14px 18px; border-top: 1px solid var(--hair-2); }
.copy-row .label { font: 500 11.5px/1.4 var(--mono); color: var(--muted); margin-right: auto; }

pre.codeblock {
  margin: 0;
  max-height: 420px;
  overflow: auto;
  background: var(--code-bg);
  color: var(--code-ink);
  font: 500 12.5px/1.6 var(--mono);
  padding: 18px;
  tab-size: 2;
  white-space: pre-wrap;
  word-break: break-word;
}
pre.codeblock .dim { color: var(--code-muted); }

.raw-links { padding: 0 18px 18px; display: flex; gap: 16px; flex-wrap: wrap; }
.raw-links a {
  font: 600 12px/1 var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- hire band (home) ---------- */

.hire-band {
  border-top: 1px solid var(--hair);
  padding: 64px 24px 72px;
  text-align: center;
}
.hire-band .eyebrow { color: var(--accent); font-weight: 700; }
.hire-band h2 { margin: 10px 0 14px; }
.hire-band p { max-width: 560px; margin: 0 auto; font-size: 16px; color: var(--ink-2); }
.hire-band .hero-actions { margin-top: 24px; justify-content: center; }

/* ---------- footer ---------- */

.footer {
  border-top: 1px solid var(--hair);
  background: var(--paper-2);
  padding: 40px 0 48px;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: baseline;
}
.footer .wordmark { font-size: 17px; }
.footer .fine { margin-left: auto; font: 500 12px/1.5 var(--mono); color: var(--muted); text-align: right; }
.footer a { color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; }
.footer a:hover { color: var(--accent); }

/* ---------- misc ---------- */

.page-title { margin: 64px 0 8px; font: 800 40px/1 var(--display); letter-spacing: -0.04em; }
.page-sub { margin: 12px 0 0; max-width: 60ch; font-size: 16px; color: var(--ink-2); }

.empty-state {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
  font: 500 13px/1.6 var(--mono);
}
.empty-state.show { display: block; }

@media (max-width: 980px) {
  .hero h1 { font-size: 48px; }
  .ref-layout { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .featured { grid-template-columns: 1fr; }
  .featured .thumb { min-height: 240px; }
  .topbar-tag { display: none; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .section-head .note { text-align: left; }
  .search { margin-left: 0; width: 100%; min-width: 0; }
}

@media (max-width: 640px) {
  .hero { padding-top: 56px; }
  .hero h1 { font-size: 40px; }
  .topbar-inner { padding: 12px 16px; }
  .topbar-nav a:not(.cta) { display: none; }
  .wrap { padding: 0 16px; }
}

/* ---------- full-size lightbox (single-file preview) ---------- */
#lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(20, 18, 14, 0.9);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.18s;
}
#lightbox.open { opacity: 1; pointer-events: auto; }
#lightbox img {
  max-width: min(94vw, 660px); max-height: 92vh; object-fit: contain;
  border-radius: 12px; box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
#lightbox .lb-close {
  position: absolute; top: 18px; right: 22px;
  background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff; font-size: 17px; line-height: 1; border-radius: 8px; padding: 8px 14px; cursor: pointer;
}
#lightbox .lb-close:hover { background: rgba(255, 255, 255, 0.18); }

/* ---------- adblock notice ---------- */
.adblock-notice {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: var(--ink); color: var(--paper);
  border-top: 1px solid var(--accent);
}
.adblock-notice-inner {
  max-width: 960px; margin: 0 auto;
  display: flex; align-items: center; gap: 16px;
  padding: 14px 20px;
}
.adblock-notice-inner p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--paper); }
.adblock-notice-inner strong { color: var(--accent); }
.adblock-notice-close {
  flex: none; background: transparent; border: 1px solid rgba(246, 243, 236, 0.35);
  color: var(--paper); border-radius: 8px; width: 30px; height: 30px;
  font-size: 18px; line-height: 1; cursor: pointer;
}
.adblock-notice-close:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
@media (max-width: 640px) {
  .adblock-notice-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
}