/* Baseer for Arts brand hub. Tokens follow DESIGN.md (one field per piece, navy ink). */
:root {
  --navy: #092648;
  --orange: #f6aa56;
  --turquoise: #5bd1d1;
  --yellow: #ffca30;
  --paper: #faf6ee;
  --ink: var(--navy);
  --ink-2: #3d5069;            /* secondary text, 7.6:1 on paper */
  --mat: #ece9e3;              /* ground behind images */
  --mat-2: #e2ded7;
  --rule: #c9cdd2;
  --focus: var(--navy);
  --gutter: clamp(1rem, 0.35rem + 3.2vw, 3.5rem);
  --max: 86rem;
  --bar-h: 3.5rem;
  --lh-head: 1.3;
  --ar: "IBM Plex Sans Arabic", "IBM Plex Sans", "Segoe UI", Tahoma, sans-serif;
  --en: "IBM Plex Sans", "IBM Plex Sans Arabic", "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}
html[lang="en"] { --lh-head: 1.12; }

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font: 400 1.0625rem/1.8 var(--ar);
  min-block-size: 100vh;
  display: flex;
  flex-direction: column;
}
html[lang="en"] body { font-family: var(--en); line-height: 1.65; }
[lang|="en"] { font-family: var(--en); }
[lang|="ar"] { font-family: var(--ar); }
p[lang|="ar"] { line-height: 1.8; }
:lang(ar) { letter-spacing: 0; font-style: normal; text-transform: none; font-synthesis: none; }
main { flex: 1; outline: 0; }
img, svg { display: block; max-inline-size: 100%; }
a { color: inherit; text-underline-offset: 0.3em; text-decoration-thickness: 1px; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.wrap {
  inline-size: 100%;
  max-inline-size: calc(var(--max) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.sr {
  position: absolute; inline-size: 1px; block-size: 1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.skip {
  position: absolute; z-index: 50; inset-inline-start: 1rem; inset-block-start: -10rem;
  background: var(--orange); color: var(--navy); font-weight: 700; padding: 0.5rem 1rem;
}
.skip:focus { inset-block-start: 0.5rem; }

/* Bar: identity, tabs, language */
.bar {
  position: sticky; inset-block-start: 0; z-index: 20;
  background: var(--navy); color: var(--paper);
  --focus: var(--orange);
}
.bar-in { display: flex; align-items: center; gap: clamp(0.5rem, 2vw, 2rem); block-size: var(--bar-h); }
.bar-id { flex: none; font-size: 1rem; line-height: 1; }
.bar-mark { display: block; color: var(--orange); block-size: 2.25rem; }
.bar-mark svg { block-size: 100%; inline-size: auto; }
.tabs {
  display: flex; flex: 1 1 auto; min-inline-size: 0; align-self: stretch;
  overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: none; border: 0; background: none; cursor: pointer;
  font-size: 0.9375rem; font-weight: 500; line-height: 1.5;
  padding-inline: clamp(0.75rem, 1.4vw, 1.25rem);
  color: var(--paper);
}
.tab:hover { text-decoration: underline; text-underline-offset: 0.45em; text-decoration-thickness: 2px; }
.tab[aria-selected="true"] { background: var(--orange); color: var(--navy); font-weight: 700; text-decoration: none; --focus: var(--navy); }
.tab:focus-visible { outline-offset: -5px; }
.lang {
  flex: none; cursor: pointer; background: none;
  border: 1px solid rgb(250 246 238 / 0.5);
  min-block-size: 2.5rem; padding: 0.25rem 0.875rem;
  font-size: 0.9375rem; font-weight: 500; line-height: 1.4;
}
.lang:hover { background: var(--paper); color: var(--navy); }
@media (min-width: 64rem) { .tab, .lang { font-size: 1rem; } }

/* Panels */
.panel { scroll-margin-block-start: var(--bar-h); }
.panel:focus-visible { outline-offset: -3px; }
.blocks { padding-block: clamp(2.5rem, 6vw, 5.5rem) clamp(4rem, 9vw, 8rem); }
.blk + .blk { margin-block-start: clamp(3.5rem, 8vw, 7rem); }
.blk-text + .blk-gallery:not(:has(> .blk-title)) { margin-block-start: clamp(1.25rem, 3vw, 2.5rem); }
.blk-title {
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.5rem); font-weight: 700;
  line-height: var(--lh-head); text-wrap: balance;
  margin-block-end: clamp(1rem, 2.5vw, 2rem);
}

/* Hero: the first tab's head */
.hero { background: var(--navy); color: var(--paper); --focus: var(--orange); }
.hero-in {
  display: grid; gap: 1.5rem 3rem;
  padding-block: clamp(2rem, 6vw, 5.5rem) clamp(2rem, 5vw, 4.5rem);
}
.hero-lockup { order: -1; color: var(--orange); inline-size: clamp(6.5rem, 20vw, 13.5rem); }
.hero-lockup svg { inline-size: 100%; block-size: auto; }
.hero-title {
  font-size: clamp(2.375rem, 0.9rem + 5.8vw, 6.5rem); font-weight: 700;
  line-height: var(--lh-head); text-wrap: balance;
}
html[lang="en"] .hero-title, html[lang="en"] .band-title { letter-spacing: -0.025em; }
.hero-lead {
  margin-block-start: clamp(1rem, 2.5vw, 1.75rem);
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.5rem); line-height: 1.75;
  max-inline-size: 36em; color: #e3e6ea; text-wrap: pretty;
}
@media (min-width: 60rem) {
  .hero-in { grid-template-columns: minmax(0, 1fr) auto; align-items: start; }
  .hero-lockup { order: 0; }
}
.hero-plate { background: linear-gradient(var(--navy) 50%, var(--paper) 50%); }
.hero-plate .plate { aspect-ratio: var(--r, 16 / 9); --pad: 0; }

/* Colour band: every other tab's head */
.band {
  --bg: var(--orange); --fg: var(--navy);
  --stroke: color-mix(in oklab, var(--bg) 84%, var(--navy));
  position: relative; isolation: isolate; overflow: hidden;
  background: var(--bg); color: var(--fg);
}
.band[data-tone="turquoise"] { --bg: var(--turquoise); }
.band[data-tone="yellow"] { --bg: var(--yellow); }
.band[data-tone="navy"] {
  --bg: var(--navy); --fg: var(--paper); --focus: var(--orange);
  --stroke: color-mix(in oklab, var(--navy) 82%, var(--paper));
}
.band-in { padding-block: clamp(3.5rem, 11vw, 9rem) clamp(1.5rem, 3.5vw, 2.75rem); }
.band-title {
  font-size: clamp(3rem, 0.8rem + 9.5vw, 9.5rem); font-weight: 700;
  line-height: var(--lh-head); text-wrap: balance;
}
.band-mark {
  position: absolute; z-index: -1;
  inset-block-end: -4%; inset-inline-end: 2%;
  block-size: 175%; color: var(--stroke);
}
.band-mark svg { block-size: 100%; inline-size: auto; }

/* text */
.blk-text { display: grid; gap: 0.75rem 2rem; border-block-start: 2px solid currentColor; padding-block-start: clamp(1rem, 2vw, 1.5rem); }
.blk-text > .blk-title { margin: 0; }
.blk-text > p { font-size: clamp(1.125rem, 1rem + 0.45vw, 1.375rem); max-inline-size: 34em; text-wrap: pretty; }
.blk-text.is-lead { border: 0; padding: 0; }
.blk-text.is-lead > p { font-size: clamp(1.25rem, 1rem + 1vw, 1.875rem); line-height: 1.7; max-inline-size: 30em; }
@media (min-width: 60rem) {
  .blk-text { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .blk-text > .blk-title { grid-column: 1 / span 5; }
  .blk-text > p { grid-column: 6 / -1; }
  .blk-text.is-lead > p { grid-column: 1 / span 10; }
}

/* callout */
.blk-callout { background: var(--yellow); color: var(--navy); padding: clamp(1.25rem, 3.5vw, 3rem); --focus: var(--navy); }
.blk-callout > p { font-size: clamp(1.125rem, 1rem + 0.7vw, 1.625rem); font-weight: 500; line-height: 1.75; max-inline-size: 36em; text-wrap: pretty; }

/* gallery */
.gal { display: grid; gap: clamp(1.75rem, 3vw, 2.75rem) clamp(1rem, 2.5vw, 2rem); align-items: start; }
.fig { min-inline-size: 0; }
.plate {
  position: relative; display: block; inline-size: 100%;
  aspect-ratio: 4 / 3; background: var(--mat);
  border: 0; padding: 0; overflow: hidden;
}
.plate img {
  position: absolute; inset: 0; inline-size: 100%; block-size: 100%;
  object-fit: contain; padding: var(--pad, clamp(0.75rem, 5%, 2.5rem));
}
button.plate { cursor: zoom-in; transition: background-color 0.2s ease-out; }
button.plate:hover { background: var(--mat-2); }
.fig figcaption {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.25rem 1rem;
  margin-block-start: 0.75rem; font-size: 0.9375rem; line-height: 1.6; color: var(--ink-2);
}
.fig figcaption a { color: var(--ink); font-weight: 500; }
.gal-wide { --pad: clamp(0.75rem, 3.5%, 3rem); }
.gal-wide .plate { aspect-ratio: var(--r, 16 / 9); }
@media (min-width: 48rem) {
  .gal-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gal-grid > :first-child:nth-last-child(odd) { grid-column: 1 / -1; }
  .gal-grid > :first-child:nth-last-child(odd) .plate { aspect-ratio: var(--r, 16 / 9); max-block-size: 80vh; }
}
.gal-strip {
  display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-block-end: 0.75rem; scrollbar-width: thin; scrollbar-color: var(--navy) var(--mat);
}
.gal-strip > .fig { flex: 0 0 min(78%, 24rem); scroll-snap-align: start; }
.gal-compare { grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
.gal-compare .plate { aspect-ratio: var(--r, 4 / 5); --pad: 0; }
.gal-compare figcaption { color: var(--ink); font-size: 1.0625rem; font-weight: 700; }

/* swatches */
.sw { list-style: none; padding: 0; display: flex; flex-direction: column; }
.sw-btn {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 0.125rem 1rem;
  inline-size: 100%; block-size: 100%; min-block-size: 6.5rem;
  padding: 1rem clamp(1rem, 1.6vw, 1.5rem);
  border: 0; text-align: start; cursor: copy;
  background: var(--sw); color: var(--sw-fg);
}
.sw-btn[data-edge] { box-shadow: inset 0 0 0 1px var(--rule); }
.sw-btn:focus-visible { position: relative; z-index: 1; outline-color: var(--navy); }
.sw-name { font-size: clamp(1.25rem, 1rem + 0.8vw, 1.75rem); font-weight: 700; line-height: 1.35; }
.sw-role { grid-column: 1; font-size: 0.9375rem; line-height: 1.6; }
.sw-hex { justify-self: start; grid-column: 2; grid-row: 1 / span 2; align-self: end; font-size: 0.9375rem; font-weight: 500; font-variant-numeric: tabular-nums; }
@media (min-width: 48rem) {
  .sw { flex-direction: row; }
  .sw > li { flex: 1 1 0; min-inline-size: 0; }
  .sw-btn {
    grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 1fr auto; align-items: start;
    min-block-size: clamp(15rem, 24vw, 22rem); padding-block: 1.25rem;
  }
  .sw-hex { grid-column: 1; grid-row: 3; }
}

/* downloads */
.dl {
  list-style: none; padding: 0; display: grid; gap: 0 clamp(1rem, 3vw, 2.5rem);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
}
.dl-item { position: relative; display: grid; align-content: start; gap: 0.25rem; border-block-start: 2px solid var(--navy); padding-block: 1rem 2rem; }
.dl-kind { justify-self: start; font-family: var(--en); font-size: clamp(2.75rem, 2rem + 3vw, 4.5rem); font-weight: 700; line-height: 1; letter-spacing: -0.03em; margin-block-end: 1rem; }
.dl-item a { font-size: 1.25rem; font-weight: 700; line-height: 1.45; text-decoration: none; }
.dl-item a::after { content: ""; position: absolute; inset: 0; }
.dl-item a:focus-visible { outline: 0; }
.dl-item:has(a:focus-visible) { outline: 3px solid var(--focus); outline-offset: 4px; }
.dl-note, .dl-size { color: var(--ink-2); font-size: 0.9375rem; line-height: 1.6; }
.dl-cta { margin-block-start: 0.75rem; font-weight: 700; text-decoration: underline; text-underline-offset: 0.35em; }
.dl-item:hover .dl-cta { text-decoration-thickness: 3px; }

/* prompts */
.pf { display: grid; gap: 0.75rem; margin-block-end: clamp(2rem, 4vw, 3rem); }
.pf-group { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.pf-label { font-weight: 700; min-inline-size: 5.5rem; }
.chip {
  min-block-size: 2.75rem; padding: 0.25rem 1rem; cursor: pointer;
  background: none; border: 1px solid var(--navy); font-size: 0.9375rem; line-height: 1.5;
}
.chip:hover { background: var(--mat); }
.chip[aria-pressed="true"] { background: var(--navy); color: var(--paper); }
.pf-count { color: var(--ink-2); font-size: 0.9375rem; }
.pr-list { list-style: none; padding: 0; display: grid; gap: clamp(3rem, 6vw, 5rem); }
.pr { display: grid; gap: 1.25rem clamp(1.5rem, 3vw, 3rem); border-block-start: 2px solid var(--navy); padding-block-start: 1.25rem; }
.pr .plate { aspect-ratio: 1; }
.pr-body { display: grid; gap: 1rem; align-content: start; min-inline-size: 0; }
.pr-body h3 { font-size: clamp(1.375rem, 1.1rem + 1vw, 2rem); line-height: var(--lh-head); }
.pr-meta { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; font-size: 0.9375rem; }
.pr-meta div { display: flex; gap: 0.375rem; }
.pr-meta dt { color: var(--ink-2); }
.pr-meta dd { font-weight: 500; }
.pr-code { background: var(--navy); color: var(--paper); --focus: var(--orange); }
.pr-code-head {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding-block: 0.5rem; padding-inline: 1.25rem 0.5rem;
  border-block-end: 1px solid rgb(250 246 238 / 0.2); font-size: 0.875rem; font-weight: 500;
}
.copy {
  min-block-size: 2.5rem; padding: 0.25rem 1rem; cursor: pointer;
  background: var(--paper); color: var(--navy); border: 0; font-size: 0.9375rem; font-weight: 700;
}
.copy:hover { background: var(--orange); }
.pr-code pre {
  margin: 0; padding: 1.25rem; white-space: pre-wrap; overflow-wrap: anywhere;
  font: 400 0.9375rem/1.7 var(--en);
}
.pr-notes, .pr-post { max-inline-size: 40em; text-wrap: pretty; }
.pr-post { white-space: pre-line; background: var(--mat); padding: 1rem 1.25rem; }
.pr-post b { display: block; font-size: 0.875rem; color: var(--ink-2); }
.pr-none { color: var(--ink-2); }
@media (min-width: 60rem) {
  .pr { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
  .pr.no-img .pr-body { grid-column: 1 / -1; }
}

/* work log */
.log-note { color: var(--ink-2); margin-block-end: 1.5rem; }
.log { list-style: none; padding: 0; }
.step { display: grid; gap: 1rem clamp(1.5rem, 3vw, 3rem); border-block-start: 2px solid var(--navy); padding-block: 1.25rem clamp(2rem, 4vw, 3rem); }
.step-head { display: grid; gap: 0.5rem; align-content: start; justify-items: start; }
.step-head h3 { font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.75rem); line-height: var(--lh-head); text-wrap: balance; }
.state { font-size: 0.875rem; font-weight: 700; line-height: 1.6; padding-inline: 0.625rem; background: var(--mat); }
.step[data-s="active"] .state { background: var(--orange); }
.step[data-s="todo"] .state { background: none; box-shadow: inset 0 0 0 1px var(--navy); }
.step[data-s="todo"] h3 { color: var(--ink-2); }
.upds { list-style: none; padding: 0; display: grid; }
.upd { display: grid; gap: 0.5rem; padding-block: 1rem; border-block-start: 1px solid var(--rule); }
.upd:first-child { padding-block-start: 0; border: 0; }
.upd time { color: var(--ink-2); font-size: 0.875rem; font-variant-numeric: tabular-nums; }
.upd p { max-inline-size: 40em; text-wrap: pretty; }
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 11rem), 1fr)); gap: 0.75rem; margin-block-start: 0.25rem; }
.thumbs .plate { --pad: 0.5rem; }
@media (min-width: 60rem) { .step { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); } }

.fail { padding-block: 4rem; font-size: 1.25rem; }

/* footer */
.foot { border-block-start: 2px solid var(--navy); }
.foot-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding-block: 1.5rem 2.5rem; font-size: 0.9375rem; }
.foot-id { display: flex; align-items: center; gap: 0.875rem; font-weight: 500; }
.foot-mark { block-size: 2.25rem; color: var(--navy); }
.foot-mark svg { block-size: 100%; inline-size: auto; }
#stamp { color: var(--ink-2); }

/* lightbox */
.lb {
  inline-size: 100%; block-size: 100%; max-inline-size: none; max-block-size: none;
  margin: 0; padding: 0; border: 0;
  background: var(--navy); color: var(--paper); --focus: var(--orange);
}
.lb[open] { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }
.lb::backdrop { background: var(--navy); }
html:has(.lb[open]) { overflow: hidden; }
.lb-top, .lb-bot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1.5rem; padding: 0.75rem var(--gutter); }
.lb-top { font-size: 0.9375rem; font-variant-numeric: tabular-nums; }
#lb-img { inline-size: 100%; block-size: 100%; min-block-size: 0; object-fit: contain; padding-inline: var(--gutter); }
#lb-cap { font-weight: 500; }
.lb-nav { display: flex; gap: 0.5rem; }
.lb button {
  min-block-size: 2.75rem; padding: 0.25rem 1.25rem; cursor: pointer;
  background: none; border: 1px solid rgb(250 246 238 / 0.5); font-weight: 700;
}
.lb button:hover { background: var(--paper); color: var(--navy); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}