/* ════════════════════════════════════════════════════════════════
   AWJ ALEBDA — فن المعيشة في المكان
   Quiet architectural luxury · ivory canvas · editorial serif
   Logical properties throughout (RTL-first)
   ════════════════════════════════════════════════════════════════ */

:root {
  --ivory: #F4F0E8;
  --limestone: #D8CCB8;
  --charcoal: #252923;
  --olive: #737A66;
  --olive-deep: #5F6552;
  --brass: #A48960;
  --brass-deep: #8A6F45;
  --clay: #B37F64;
  --hairline: #D9D3C7;
  --ink-soft: rgba(37, 41, 35, .74);
  --ink-faint: rgba(37, 41, 35, .55);

  --dark-text: #EFE9DC;
  --dark-text-soft: rgba(239, 233, 220, .72);
  --dark-line: rgba(217, 211, 199, .22);
  --error-on-dark: #E8A289;

  --font-serif-en: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, Georgia, "Times New Roman", serif;
  --font-sans-en: "Avenir Next", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-serif-ar: "Sakkal Majalla", "Geeza Pro", "Noto Naskh Arabic", "Traditional Arabic", "Amiri", serif;
  --font-sans-ar: "Segoe UI", "Noto Sans Arabic", Tahoma, system-ui, sans-serif;
  --font-serif: var(--font-serif-en);
  --font-sans: var(--font-sans-en);

  --fs-hero: clamp(2.45rem, 1.1rem + 5.4vw, 5.6rem);
  --fs-h2: clamp(2rem, 1.15rem + 3.2vw, 3.7rem);
  --fs-quote: clamp(1.55rem, 1rem + 2.5vw, 3.1rem);
  --fs-body: clamp(1rem, .95rem + .25vw, 1.13rem);
  --lh-body: 1.75;

  --ease-out: cubic-bezier(.22, .61, .36, 1);
  --t-quick: 260ms;
  --t-reveal: 900ms;
  --t-material: 600ms;
  --nav-h: 76px;

  --container: min(1400px, 100% - clamp(2.4rem, 8vw, 10rem));
}

html[lang="ar"] {
  --font-serif: var(--font-serif-ar);
  --font-sans: var(--font-sans-ar);
  --fs-hero: clamp(2.3rem, 1rem + 5.2vw, 5.2rem);
  --lh-body: 1.95;
}

/* ── base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  overflow-x: clip;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--charcoal);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, blockquote { font-family: var(--font-serif); font-weight: 400; margin: 0; }
p, dl, dd { margin: 0; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

[hidden] { display: none !important; }

html.menu-open, html.menu-open body { overflow: hidden; }

.container { width: var(--container); margin-inline: auto; }

.latin, .latin-mix .latin { font-family: var(--font-sans-en); }
.chapter-no, .proj-no, .step-no, .p-no { font-family: var(--font-sans-en); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  inset-block-start: .6rem;
  inset-inline-start: .6rem;
  z-index: 100;
  padding: .6rem 1rem;
  background: var(--charcoal);
  color: var(--ivory);
  border: 1px solid var(--hairline);
  font-size: .9rem;
  transform: translateY(-300%);
  transition: transform var(--t-quick) var(--ease-out);
}
.skip-link:focus-visible { transform: none; outline: 2px solid var(--brass-deep); outline-offset: 3px; }

:focus-visible { outline: 2px solid var(--brass-deep); outline-offset: 3px; border-radius: 1px; }

::selection { background: rgba(164, 137, 96, .32); }

/* ── buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .8rem 1.5rem;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  font-size: .95rem;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color var(--t-quick) var(--ease-out),
              color var(--t-quick) var(--ease-out),
              border-color var(--t-quick) var(--ease-out);
}
.btn-primary { background: var(--charcoal); color: var(--ivory); }
.btn-primary:hover { background: #333831; }
.btn-quiet { border-color: rgba(37, 41, 35, .38); color: var(--charcoal); }
.btn-quiet:hover { border-color: var(--charcoal); background: rgba(37, 41, 35, .05); }
.btn-ghost { border-color: rgba(244, 240, 232, .65); color: var(--ivory); }
.btn-ghost:hover { background: rgba(244, 240, 232, .12); }
.btn-ghost-dark { border-color: rgba(239, 233, 220, .5); color: var(--dark-text); }
.btn-ghost-dark:hover { background: rgba(239, 233, 220, .1); }
.btn-small { padding: .55rem 1.05rem; font-size: .88rem; }

/* ── navigation ───────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  inset-inline: 0;
  inset-block-start: 0;
  z-index: 50;
  color: var(--ivory);
  border-bottom: 1px solid transparent;
  background: transparent;
  transition: background-color 300ms var(--ease-out),
              color 300ms var(--ease-out),
              border-color 300ms var(--ease-out);
}
.site-nav.is-scrolled {
  color: var(--charcoal);
  background: rgba(244, 240, 232, .96);
  border-bottom-color: var(--hairline);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: .9rem;
  min-height: var(--nav-h);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  text-decoration: none;
}
.brand-mark { width: auto; height: 38px; }
.site-nav:not(.is-scrolled) .brand-mark { filter: brightness(0) invert(1) opacity(.95); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-ar { font-family: var(--font-serif); font-size: 1.5rem; }
.brand-latin { font-family: var(--font-sans-en); font-size: .6rem; letter-spacing: .34em; text-transform: uppercase; opacity: .8; }

.nav-links { display: flex; gap: clamp(1.2rem, 2.4vw, 2.4rem); }
.nav-links a {
  font-size: .95rem;
  text-decoration: none;
  opacity: .88;
  padding-block: .35rem;
  border-bottom: 1px solid transparent;
  transition: opacity var(--t-quick) var(--ease-out), border-color var(--t-quick) var(--ease-out);
}
.nav-links a:hover { opacity: 1; border-bottom-color: currentColor; }

.nav-actions { display: flex; align-items: center; gap: .7rem; }
.lang-toggle {
  min-width: 44px;
  min-height: 44px;
  padding: .35rem .6rem;
  border: 1px solid currentColor;
  background: none;
  cursor: pointer;
  font-family: var(--font-sans-en);
  font-size: .9rem;
  transition: opacity var(--t-quick) var(--ease-out);
}
.lang-toggle:hover { opacity: .75; }
.nav-cta { padding: .55rem 1.1rem; font-size: .9rem; }
.site-nav:not(.is-scrolled) .nav-cta { border-color: rgba(244, 240, 232, .6); color: var(--ivory); }
.site-nav:not(.is-scrolled) .nav-cta:hover { background: rgba(244, 240, 232, .14); }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 46px;
  height: 44px;
  padding: .6rem;
  border: 1px solid currentColor;
  background: none;
  cursor: pointer;
}
.menu-bar { display: block; height: 2px; width: 100%; background: currentColor; transition: transform var(--t-quick) var(--ease-out); }
.menu-toggle[aria-expanded="true"] .menu-bar:first-child { transform: translateY(4.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-bar:last-child { transform: translateY(-4.5px) rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--ivory);
  color: var(--charcoal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--nav-h) + 2rem) clamp(1.4rem, 7vw, 3rem) max(2rem, env(safe-area-inset-bottom));
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 300ms var(--ease-out), transform 300ms var(--ease-out);
}
.mobile-menu.is-open { opacity: 1; transform: none; }
.mm-links { display: flex; flex-direction: column; gap: .4rem; }
.mm-links a {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 8vw, 2.9rem);
  text-decoration: none;
  padding-block: .5rem;
  border-bottom: 1px solid var(--hairline);
}
.mm-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

/* ── hero ─────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: clip;
  color: var(--ivory);
}
.hero-media { position: absolute; inset: 0; will-change: transform; }
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
}
html.js .hero-media img { animation: hero-settle 2.4s var(--ease-out) both; }
@keyframes hero-settle {
  from { transform: scale(1.035); }
  to { transform: scale(1); }
}
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(24, 25, 20, .58) 0%, rgba(24, 25, 20, .22) 32%, rgba(24, 25, 20, 0) 55%),
    linear-gradient(to bottom, rgba(24, 25, 20, .42) 0%, rgba(24, 25, 20, 0) 24%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-block-end: clamp(4.5rem, 9vh, 7rem);
}
.eyebrow {
  font-family: var(--font-sans-en);
  font-size: .8rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  opacity: .92;
}
html[lang="ar"] .eyebrow { letter-spacing: 0; font-family: var(--font-sans); font-size: .95rem; }
.hero-title {
  margin-block: 1.1rem .9rem;
  font-size: var(--fs-hero);
  line-height: 1.08;
  letter-spacing: -.015em;
  max-width: 18ch;
  text-wrap: balance;
}
.hero-sub { max-width: 52ch; font-size: clamp(1.02rem, .98rem + .3vw, 1.22rem); line-height: 1.8; opacity: .94; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-block-start: 1.7rem; }

.hero-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block-end: max(1.4rem, env(safe-area-inset-bottom));
}
.hero-note { font-size: .78rem; opacity: .78; max-width: 46ch; }
.scroll-cue {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  writing-mode: vertical-rl;
  font-size: .72rem;
  letter-spacing: .2em;
  opacity: .8;
  transition: opacity 500ms var(--ease-out);
}
html[lang="ar"] .scroll-cue .cue-text { letter-spacing: 0; font-size: .8rem; }
.cue-line { width: 1px; height: 44px; background: currentColor; animation: cue-pulse 2.8s ease-in-out infinite; transform-origin: top; }
@keyframes cue-pulse { 0%, 100% { transform: scaleY(.55); opacity: .5; } 50% { transform: scaleY(1); opacity: 1; } }
.scroll-cue.is-hidden, .hero-foot.is-hidden .hero-note { opacity: 0; pointer-events: none; }

/* hero line reveal */
html.js [data-hero-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-reveal) var(--ease-out), transform var(--t-reveal) var(--ease-out);
  transition-delay: var(--d, 0ms);
}
html.js .hero.is-in [data-hero-reveal] { opacity: 1; transform: none; }

/* ── chapters ─────────────────────────────────────────────────── */
.chapter-section { padding-block: clamp(5rem, 11vw, 10.5rem); }
.chapter { margin-block-end: clamp(2.6rem, 6vw, 4.5rem); }
.chapter-meta {
  display: flex;
  align-items: center;
  gap: .9rem;
  font-family: var(--font-sans-en);
  font-size: .8rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--brass-deep);
}
html[lang="ar"] .chapter-meta { letter-spacing: 0; font-family: var(--font-sans); }
.chapter-line { width: clamp(2.4rem, 6vw, 4.5rem); height: 1px; background: var(--hairline); }
.chapter-label { color: var(--ink-faint); }
.chapter-title {
  margin-block-start: 1.1rem;
  font-size: var(--fs-h2);
  line-height: 1.12;
  letter-spacing: -.012em;
  max-width: 22ch;
  text-wrap: balance;
}
.chapter-desc { margin-block-start: 1rem; max-width: 58ch; color: var(--ink-soft); }

/* reveal system */
html.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-reveal) var(--ease-out), transform var(--t-reveal) var(--ease-out);
  transition-delay: var(--rd, 0ms);
}
html.js .reveal.is-in { opacity: 1; transform: none; }

/* ── projects ─────────────────────────────────────────────────── */
.projects-grid {
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 9vw, 8rem);
}
.project-card {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: clamp(1.4rem, 3vw, 3rem);
  row-gap: 1.3rem;
  align-items: end;
}
.project-media {
  position: relative;
  overflow: hidden;
  background: var(--limestone);
}
.proj-1 .project-media { grid-column: 1 / -1; grid-row: 1; aspect-ratio: 21 / 10; }
.proj-1 .project-info { grid-column: 1 / 7; grid-row: 2; }
.proj-2 .project-media { grid-column: 1 / 8; grid-row: 1; aspect-ratio: 16 / 11; }
.proj-2 .project-info { grid-column: 8 / -1; grid-row: 1; align-self: end; }
.proj-3 .project-media { grid-column: 6 / -1; grid-row: 1 / 3; aspect-ratio: 3 / 4; }
.proj-3 .project-info { grid-column: 1 / 6; grid-row: 1; align-self: center; }
.proj-4 .project-media { grid-column: 3 / -1; grid-row: 1; aspect-ratio: 16 / 8; }
.proj-4 .project-info { grid-column: 1 / 3; grid-row: 1; align-self: end; }

.media-btn {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  position: relative;
}
.media-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 800ms var(--ease-out);
}
.media-btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(24, 25, 20, .18), rgba(24, 25, 20, 0) 42%);
  opacity: 0;
  transition: opacity 800ms var(--ease-out);
}
.project-card:hover .media-btn img,
.project-card:focus-within .media-btn img { transform: scale(1.025); }
.project-card:hover .media-btn::after,
.project-card:focus-within .media-btn::after { opacity: 1; }

.concept-tag {
  position: absolute;
  z-index: 1;
  inset-block-start: .9rem;
  inset-inline-start: .9rem;
  padding: .32rem .7rem;
  background: rgba(244, 240, 232, .93);
  border: 1px solid var(--hairline);
  font-family: var(--font-sans-en);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brass-deep);
}
html[lang="ar"] .concept-tag { letter-spacing: 0; font-family: var(--font-sans); font-size: .74rem; }

.proj-no { font-size: .85rem; letter-spacing: .18em; color: var(--brass-deep); }
.proj-name {
  margin-block: .5rem .3rem;
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.2rem);
  line-height: 1.18;
}
.proj-latin {
  display: block;
  font-family: var(--font-sans-en);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-block-start: .3rem;
}
html[lang="en"] .proj-latin { display: none; }
.proj-cat { font-size: .85rem; color: var(--olive-deep); }
.proj-desc { margin-block: .7rem 1rem; color: var(--ink-soft); max-width: 42ch; }
.proj-view {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .35rem 0;
  border: 0;
  background: none;
  cursor: pointer;
  font-size: .95rem;
  border-bottom: 1px solid var(--charcoal);
  transition: color var(--t-quick) var(--ease-out);
}
.proj-view .icon-flow { width: 18px; height: 18px; transition: translate var(--t-quick) var(--ease-out); }
[dir="rtl"] .proj-view .icon-flow { transform: scaleX(-1); }
.project-card:hover .proj-view .icon-flow,
.proj-view:focus-visible .icon-flow { translate: 5px 0; }
[dir="rtl"] .project-card:hover .proj-view .icon-flow,
[dir="rtl"] .proj-view:focus-visible .icon-flow { translate: -5px 0; }
.proj-view:hover { color: var(--brass-deep); border-bottom-color: var(--brass-deep); }

/* current project chip */
.project-chip {
  position: fixed;
  z-index: 30;
  inset-block-end: 1.2rem;
  inset-inline-start: 1.2rem;
  padding: .5rem .95rem;
  background: var(--charcoal);
  color: var(--ivory);
  font-family: var(--font-sans-en);
  font-size: .78rem;
  letter-spacing: .06em;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity var(--t-quick) var(--ease-out), transform var(--t-quick) var(--ease-out);
}
.project-chip.is-on { opacity: .94; transform: none; }
@media (max-width: 1023px) { .project-chip { display: none; } }

/* ── philosophy ───────────────────────────────────────────────── */
.philosophy { background: linear-gradient(var(--ivory), #EFE9DC 8%, #EFE9DC 92%, var(--ivory)); }
.philosophy-quote { max-width: 48rem; }
.philosophy-quote p {
  font-size: var(--fs-quote);
  line-height: 1.4;
  letter-spacing: -.01em;
  text-wrap: balance;
}
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: clamp(1.4rem, 3vw, 3rem);
  row-gap: 2.4rem;
  margin-block-start: clamp(2.6rem, 6vw, 4.5rem);
  align-items: start;
}
.philosophy-media { grid-column: 1 / 8; }
.philosophy-media img { width: 100%; height: auto; }
.philosophy-principles { grid-column: 8 / -1; display: flex; flex-direction: column; align-self: center; }
.principle { padding-block: 1.4rem; border-top: 1px solid var(--hairline); }
.principle:last-child { border-bottom: 1px solid var(--hairline); }
.principle dt { display: flex; align-items: baseline; gap: .8rem; font-family: var(--font-serif); font-size: 1.4rem; }
.p-no { font-size: .8rem; color: var(--brass-deep); }
.principle dd { margin-block-start: .5rem; color: var(--ink-soft); }

/* ── atelier ──────────────────────────────────────────────────── */
.atelier-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: clamp(1.4rem, 3vw, 3rem);
  row-gap: 2.2rem;
  align-items: start;
}
.atelier-stage {
  grid-column: 1 / 8;
  margin: 0;
  border: 1px solid var(--hairline);
  background: #EFE9DB;
  padding: clamp(.6rem, 1.4vw, 1.2rem);
}
.atelier-scene { display: block; width: 100%; height: auto; }

.atelier-stage-inner {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #EFE9DB;
}
.atelier-stage-inner .atelier-scene { position: absolute; inset: 0; width: 100%; height: 100%; }
.stage-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity var(--t-material) var(--ease-out);
}
.stage-photo.is-active { opacity: 1; }
.stage-overlay { position: absolute; inset: 0; pointer-events: none; transition: opacity 250ms linear; }
#stageVeil { background: #F7F1E0; }
#stageWarm { background: #E8A45C; }
#stageDusk { background: #1C2027; }
.stage-tag {
  position: absolute;
  z-index: 1;
  inset-block-start: .8rem;
  inset-inline-start: .8rem;
  padding: .3rem .65rem;
  background: rgba(244, 240, 232, .93);
  border: 1px solid var(--hairline);
  font-family: var(--font-sans-en);
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brass-deep);
}
html[lang="ar"] .stage-tag { letter-spacing: 0; font-family: var(--font-sans); font-size: .72rem; }

.atelier-scene [data-m] { transition: fill var(--t-material) var(--ease-out); }
.atelier-scene [data-m="wall"] { fill: var(--m-wall); }
.atelier-scene [data-m="floor"] { fill: var(--m-floor); }
.atelier-scene [data-m="joinery"] { fill: var(--m-joinery); }
.atelier-scene [data-m="upholstery"] { fill: var(--m-upholstery); }
.atelier-scene [data-m="stone"] { fill: var(--m-stone); }
.atelier-scene [data-m="accent"] { fill: var(--m-accent); }
.atelier-scene .accent-stroke { stroke: var(--m-accent); transition: stroke var(--t-material) var(--ease-out); }
#awj-beam, #awj-pool { transition: opacity 250ms linear; }
#awj-veil, #awj-warm, #awj-dusk { transition: opacity 250ms linear; }
#awj-shadows { transition: opacity 250ms linear; }

.atelier-panel { grid-column: 8 / -1; display: flex; flex-direction: column; gap: 1.9rem; }
.comp-set { border: 0; padding: 0; margin: 0; }
.comp-set legend, .light-head label, .swatch-title {
  font-family: var(--font-sans-en);
  font-size: .78rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 0;
}
html[lang="ar"] .comp-set legend, html[lang="ar"] .light-head label, html[lang="ar"] .swatch-title {
  letter-spacing: 0; font-family: var(--font-sans); font-size: .85rem;
}
.comp-options { display: flex; flex-wrap: wrap; gap: .6rem; margin-block-start: .8rem; }
.comp-opt { position: relative; }
.comp-opt input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.comp-name {
  display: inline-block;
  padding: .6rem 1.25rem;
  border: 1px solid rgba(37, 41, 35, .3);
  font-size: .95rem;
  transition: background-color var(--t-quick) var(--ease-out),
              color var(--t-quick) var(--ease-out),
              border-color var(--t-quick) var(--ease-out);
}
.comp-opt input:checked + .comp-name { background: var(--charcoal); color: var(--ivory); border-color: var(--charcoal); }
.comp-opt:hover .comp-name { border-color: var(--charcoal); }
.comp-opt:has(input:focus-visible) { outline: 2px solid var(--brass-deep); outline-offset: 3px; }

.light-head { display: flex; justify-content: space-between; align-items: baseline; }
.light-head output { font-size: .85rem; color: var(--ink-soft); }
.light-set input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 30px;
  margin-block: .5rem .2rem;
  background: none;
  cursor: pointer;
}
.light-set input[type="range"]::-webkit-slider-runnable-track { height: 2px; background: rgba(37, 41, 35, .28); }
.light-set input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  margin-block-start: -9px;
  border-radius: 50%;
  background: var(--brass);
  border: 2px solid var(--charcoal);
}
.light-set input[type="range"]::-moz-range-track { height: 2px; background: rgba(37, 41, 35, .28); }
.light-set input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--brass);
  border: 2px solid var(--charcoal);
}
.light-scale { display: flex; justify-content: space-between; font-size: .8rem; color: var(--ink-faint); }

.swatches { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin-block-start: .8rem; }
.swatch {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.swatch img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid var(--hairline);
}
.swatch figcaption { font-size: .8rem; line-height: 1.4; color: var(--ink-soft); }
.swatches.is-fading .swatch { opacity: .25; }
.swatch { transition: opacity var(--t-material) var(--ease-out); }

.atelier-status { border-top: 1px solid var(--hairline); padding-block-start: 1.3rem; display: flex; flex-direction: column; gap: .9rem; }
.status-line { font-size: 1.02rem; font-weight: 600; }
.atelier-note { font-size: .82rem; color: var(--ink-faint); }

/* ── process ──────────────────────────────────────────────────── */
.process-wrap { position: relative; }
.process-rail {
  position: absolute;
  inset-block: .4rem;
  inset-inline-start: 0;
  width: 2px;
  background: var(--hairline);
}
.process-rail span {
  position: absolute;
  inset-inline: 0;
  inset-block-start: 0;
  height: 0%;
  background: var(--brass);
  transition: height 600ms var(--ease-out);
}
.process-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.step { position: relative; padding-block: 1.9rem; padding-inline-start: clamp(2.6rem, 5vw, 4rem); border-top: 1px solid var(--hairline); }
.step:first-child { border-top: 0; }
.step-no { position: absolute; inset-inline-start: 0; inset-block-start: 2.15rem; font-size: .95rem; letter-spacing: .14em; color: var(--brass-deep); transition: color var(--t-quick) var(--ease-out); }
.step h3 { font-size: clamp(1.35rem, 1.1rem + 1vw, 1.8rem); }
.step p { margin-block-start: .5rem; color: var(--ink-soft); max-width: 52ch; }
.step.is-active .step-no { color: var(--charcoal); }
@media (max-width: 1023px) { .process-rail { display: none; } .step { padding-inline-start: 0; } .step-no { position: static; display: block; margin-block-end: .4rem; } }

/* ── contact + footer (dark) ──────────────────────────────────── */
.dark-zone {
  background: var(--charcoal);
  color: var(--dark-text);
  padding-block-start: clamp(4.5rem, 9vw, 9rem);
}
.dark-zone .chapter-meta { color: var(--brass); }
.dark-zone .chapter-line { background: var(--dark-line); }
.dark-zone .chapter-label, .dark-zone .chapter-desc { color: var(--dark-text-soft); }
.inquiry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: clamp(1.6rem, 4vw, 3.5rem);
  row-gap: 1.9rem;
  max-width: 880px;
}
.field { display: flex; flex-direction: column; gap: .45rem; }
.field-wide { grid-column: 1 / -1; }
.field label { font-size: .85rem; letter-spacing: .08em; color: var(--dark-text-soft); }
html[lang="ar"] .field label { letter-spacing: 0; }
.field input, .field select, .field textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(239, 233, 220, .3);
  border-radius: 0;
  padding: .7rem .1rem;
  color: var(--dark-text);
  transition: border-color var(--t-quick) var(--ease-out);
}
.field select { appearance: none; -webkit-appearance: none; background-image: none; }
.field select option { color: #22261f; background: var(--ivory); }
.field select:invalid, .field select option[value=""] { color: rgba(239, 233, 220, .55); }
.field textarea { resize: vertical; min-height: 7.5rem; }
.field input::placeholder, .field textarea::placeholder { color: rgba(239, 233, 220, .4); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: none;
  border-bottom-color: var(--brass);
  box-shadow: 0 1px 0 var(--brass);
}
.field.has-error input, .field.has-error select, .field.has-error textarea { border-bottom-color: var(--error-on-dark); }
.field-err { font-size: .85rem; color: var(--error-on-dark); min-height: 0; }
.field-meta { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.char-count { font-size: .78rem; color: rgba(239, 233, 220, .5); font-variant-numeric: tabular-nums; }
.form-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.inquiry-note { font-size: .85rem; color: var(--dark-text-soft); max-width: 62ch; border-inline-start: 2px solid var(--brass); padding-inline-start: .9rem; }

.site-footer { margin-block-start: clamp(4.5rem, 9vw, 8rem); border-top: 1px solid var(--dark-line); padding-block: clamp(2.5rem, 6vw, 4rem) max(1.6rem, env(safe-area-inset-bottom)); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.f-brand .brand-mark { height: 64px; width: auto; }
.f-tagline { margin-block-start: 1rem; font-family: var(--font-serif); font-size: 1.25rem; }
.f-sub { margin-block-start: .3rem; font-size: .78rem; letter-spacing: .22em; text-transform: uppercase; color: var(--dark-text-soft); }
html[lang="ar"] .f-sub { letter-spacing: .1em; }
.f-links { display: flex; flex-direction: column; gap: .55rem; }
.f-links a { text-decoration: none; opacity: .8; width: fit-content; border-bottom: 1px solid transparent; transition: opacity var(--t-quick) var(--ease-out), border-color var(--t-quick) var(--ease-out); }
.f-links a:hover { opacity: 1; border-bottom-color: currentColor; }
.f-lang { display: flex; flex-direction: column; gap: .55rem; font-size: .9rem; color: var(--dark-text-soft); }
.f-lang-btns { display: flex; gap: .6rem; }
.lang-set {
  border: 1px solid var(--dark-line);
  background: none;
  color: var(--dark-text);
  padding: .45rem .9rem;
  cursor: pointer;
  transition: border-color var(--t-quick) var(--ease-out), background-color var(--t-quick) var(--ease-out);
}
.lang-set:hover { border-color: rgba(239, 233, 220, .6); }
.lang-set[aria-pressed="true"] { background: var(--dark-text); color: var(--charcoal); border-color: var(--dark-text); }
.f-social { list-style: none; margin: 1.1rem 0 0; padding: 0; display: flex; gap: 1rem; }
.f-social a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  text-decoration: none;
  font-size: .82rem;
  opacity: .8;
  transition: opacity var(--t-quick) var(--ease-out);
}
.f-social a:hover { opacity: 1; }
.f-social svg { width: 19px; height: 19px; }
.f-bottom { margin-block-start: clamp(2rem, 5vw, 3.4rem); }
.f-bottom p { font-size: .8rem; color: rgba(239, 233, 220, .55); max-width: 88ch; }

/* ── project dialog ───────────────────────────────────────────── */
.project-dialog {
  border: 0;
  padding: 0;
  background: var(--ivory);
  color: var(--charcoal);
  width: min(1020px, calc(100% - 2rem));
  max-height: min(88vh, 100%);
  margin: auto;
  overflow: auto;
  overscroll-behavior: contain;
}
.project-dialog::backdrop { background: rgba(24, 26, 22, .64); }
html.js .project-dialog[open] { animation: dlg-in 340ms var(--ease-out); }
@keyframes dlg-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
.pd-body { padding: clamp(1.4rem, 4vw, 3rem); }
.pd-head { display: flex; align-items: flex-start; gap: 1.2rem; }
.pd-no { font-size: .85rem; letter-spacing: .18em; color: var(--brass-deep); padding-block-start: .5rem; }
.pd-titles { flex: 1; }
.pd-titles h3 { font-size: clamp(1.7rem, 1.3rem + 1.6vw, 2.5rem); line-height: 1.15; }
.pd-cat { margin-block-start: .3rem; font-size: .9rem; color: var(--olive-deep); }
.pd-close {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(37, 41, 35, .3);
  background: none;
  cursor: pointer;
  transition: background-color var(--t-quick) var(--ease-out);
}
.pd-close:hover { background: rgba(37, 41, 35, .06); }
.pd-close svg { width: 20px; height: 20px; }
.pd-gallery {
  display: grid;
  grid-template-columns: 1.45fr 1fr 1fr;
  gap: .8rem;
  margin-block: 1.8rem;
}
.pd-gallery figure { margin: 0; overflow: hidden; background: var(--limestone); }
.pd-gallery img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery figure:nth-child(1) { aspect-ratio: 16 / 10; }
.pd-gallery figure:nth-child(2) { aspect-ratio: 4 / 3.4; }
.pd-gallery figure:nth-child(3) { aspect-ratio: 4 / 3.4; }
.pd-cols {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(1.4rem, 3vw, 2.6rem);
  padding-block-start: 1.6rem;
  border-top: 1px solid var(--hairline);
}
.pd-cols h4 { font-size: 1.05rem; margin-block-end: .6rem; color: var(--brass-deep); }
.pd-cols p { color: var(--ink-soft); }
#pdNotes { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: .4rem; }
#pdNotes li { padding-inline-start: 1.1rem; position: relative; color: var(--ink-soft); font-size: .95rem; }
#pdNotes li::before { content: ""; position: absolute; inset-inline-start: 0; inset-block-start: .62em; width: 5px; height: 5px; background: var(--brass); }
.pd-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-block-start: 1.9rem;
  padding-block-start: 1.3rem;
  border-top: 1px solid var(--hairline);
}
.pd-badge {
  font-family: var(--font-sans-en);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brass-deep);
  border: 1px solid rgba(164, 137, 96, .5);
  padding: .35rem .7rem;
}
html[lang="ar"] .pd-badge { letter-spacing: 0; font-family: var(--font-sans); font-size: .78rem; }

.noscript-note {
  position: fixed;
  inset-block-end: 0;
  inset-inline: 0;
  z-index: 90;
  background: var(--charcoal);
  color: var(--ivory);
  font-size: .85rem;
  padding: .7rem 1rem;
  margin: 0;
  text-align: center;
}

/* ── responsive ───────────────────────────────────────────────── */
@media (max-width: 1023px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: flex; }
  .proj-1 .project-media, .proj-2 .project-media, .proj-4 .project-media { grid-column: 1 / -1; }
  .proj-1 .project-info, .proj-2 .project-info, .proj-4 .project-info { grid-column: 1 / -1; grid-row: auto; }
  .proj-2 .project-media { aspect-ratio: 16 / 10; }
  .proj-3 .project-media { grid-column: 1 / -1; grid-row: auto; aspect-ratio: 4 / 4.6; }
  .proj-3 .project-info { grid-column: 1 / -1; grid-row: auto; }
  .proj-4 .project-media { aspect-ratio: 16 / 9; }
  .atelier-stage { grid-column: 1 / -1; }
  .atelier-panel { grid-column: 1 / -1; }
  .philosophy-media { grid-column: 1 / -1; }
  .philosophy-principles { grid-column: 1 / -1; }
}

@media (max-width: 639px) {
  :root { --nav-h: 64px; }
  .brand-mark { height: 32px; }
  .brand-latin { display: none; }
  .hero-content { padding-block-end: 5.2rem; }
  .hero-title { max-width: 100%; }
  .hero-sub { max-width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; padding-block: .9rem; }
  .hero-note { max-width: 30ch; }
  .scroll-cue { display: none; }
  .proj-3 .project-media { aspect-ratio: 3 / 3.6; }
  .pd-gallery { grid-template-columns: 1fr; }
  .pd-gallery figure:nth-child(n) { aspect-ratio: 16 / 10; }
  .pd-cols { grid-template-columns: 1fr; }
  .inquiry { grid-template-columns: 1fr; }
  .swatches { gap: .55rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .form-actions .btn { flex: 1; }
}

@media (min-width: 2000px) {
  :root { --container: min(1680px, 100% - clamp(3rem, 8vw, 12rem)); }
  html { font-size: 18px; }
}

/* ── reduced motion ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .hero-media img { animation: none; transform: none; }
  html.js .reveal, html.js [data-hero-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .cue-line { animation: none; }
  html.js .project-dialog[open] { animation: none; }
  *, *::before, *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
  .atelier-scene [data-m], .atelier-scene .accent-stroke { transition-duration: 1ms !important; }
}