/* ============================================================
   ATHEEL — Design System
   Palette: sand / deep palm green / pressed amber / ink
   Direction-aware: uses CSS logical properties throughout.
   ============================================================ */

:root {
  /* Color tokens */
  --c-sand: #f5f0e5;
  --c-sand-2: #ece4d2;
  --c-cream: #fbf8f1;
  --c-palm: #1f4432;
  --c-palm-deep: #142e21;
  --c-palm-ink: #0e2117;
  --c-amber: #b97f32;
  --c-amber-text: #8a5c1d;
  --c-amber-soft: #d9b071;
  --c-ink: #1c1a15;
  --c-ink-60: #55503f;
  --c-line: #d8cfba;
  --c-line-dark: #2e5240;
  --c-white: #ffffff;
  --c-error: #a83224;
  --c-success: #1f6f43;

  /* Type scale */
  --fs-hero: clamp(2.3rem, 6.5vw, 4.6rem);
  --fs-h1: clamp(2rem, 5vw, 3.4rem);
  --fs-h2: clamp(1.55rem, 3.4vw, 2.4rem);
  --fs-h3: clamp(1.15rem, 2vw, 1.45rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.875rem;
  --fs-label: 0.75rem;

  /* Spacing */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2.5rem;
  --sp-5: 4rem;
  --sp-6: 6.5rem;

  --radius: 4px;
  --maxw: 76rem;
  --header-h: 4.25rem;

  --font-head: "Space Grotesk", "IBM Plex Sans Arabic", system-ui, sans-serif;
  --font-body: "Inter", "IBM Plex Sans Arabic", system-ui, sans-serif;
}

html[lang="ar"] {
  --font-head: "IBM Plex Sans Arabic", system-ui, sans-serif;
  --font-body: "IBM Plex Sans Arabic", system-ui, sans-serif;
  --fs-body: 1.09rem;
}

/* ---------- Reset ---------- */
[hidden] { display: none !important; }
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--c-ink);
  background: var(--c-sand);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: -0.015em;
  overflow-wrap: break-word;
}
html[lang="ar"] h1, html[lang="ar"] h2, html[lang="ar"] h3, html[lang="ar"] h4 {
  letter-spacing: 0;
  line-height: 1.35;
  font-weight: 700;
}

/* ---------- Utilities ---------- */
.container {
  width: min(100% - 2.5rem, var(--maxw));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -3.5rem;
  z-index: 200;
  background: var(--c-palm);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius);
  transition: top 0.2s;
}
.skip-link:focus { top: 0.75rem; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-head);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-amber-text);
  margin-block-end: var(--sp-2);
}
html[lang="ar"] .eyebrow { letter-spacing: 0.04em; }
.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 2px;
  background: var(--c-amber-text);
  flex: none;
}
.on-dark .eyebrow { color: var(--c-amber-soft); }
.on-dark .eyebrow::before { background: var(--c-amber-soft); }

/* Focus */
:focus-visible {
  outline: 3px solid var(--c-amber);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 240, 229, 0.92);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--c-line);
}
.site-header__in {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-height: var(--header-h);
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--c-palm-deep);
}
.brand svg { width: 2.1rem; height: 2.1rem; flex: none; }
.brand small {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-ink-60);
}
html[lang="ar"] .brand small { letter-spacing: 0.05em; }

.main-nav { margin-inline-start: auto; }
.main-nav ul {
  display: flex;
  gap: 1.6rem;
  list-style: none;
  padding: 0;
}
.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-ink);
  padding-block: 0.4rem;
  border-block-end: 2px solid transparent;
}
.main-nav a:hover { color: var(--c-palm); }
.main-nav a[aria-current="page"] {
  color: var(--c-palm);
  border-block-end-color: var(--c-amber);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.lang-switch {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--c-palm-deep);
  border: 1.5px solid var(--c-palm);
  border-radius: var(--radius);
  padding: 0.42rem 0.85rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.lang-switch:hover { background: var(--c-palm); color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: var(--radius);
  padding: 0.72rem 1.5rem;
  min-height: 44px;
  border: 1.5px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn--primary { background: var(--c-palm); color: #fff; }
.btn--primary:hover { background: var(--c-palm-deep); }
.btn--ghost { border-color: var(--c-palm); color: var(--c-palm-deep); }
.btn--ghost:hover { background: var(--c-palm); color: #fff; }
.on-dark .btn--primary { background: var(--c-amber); color: var(--c-palm-ink); }
.on-dark .btn--primary:hover { background: var(--c-amber-soft); }
.on-dark .btn--ghost { border-color: rgba(255,255,255,0.55); color: #fff; }
.on-dark .btn--ghost:hover { background: #fff; color: var(--c-palm-deep); }
.btn .arrow { transition: transform 0.2s; }
.btn:hover .arrow { transform: translateX(4px); }
html[dir="rtl"] .btn .arrow { transform: scaleX(-1); }
html[dir="rtl"] .btn:hover .arrow { transform: scaleX(-1) translateX(4px); }

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--c-palm);
  border-radius: var(--radius);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--c-palm-deep);
}
@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; margin-inline-start: auto; }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--c-cream);
    border-block-end: 1px solid var(--c-line);
    padding: var(--sp-2) 1.25rem var(--sp-3);
    display: none;
    box-shadow: 0 18px 30px rgba(28, 26, 21, 0.12);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .main-nav.is-open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; }
  .main-nav a {
    display: block;
    padding: 0.85rem 0.25rem;
    font-size: 1.05rem;
    border-block-end: 1px solid var(--c-line);
  }
  .main-nav a[aria-current="page"] { border-block-end-color: var(--c-amber); }
  .main-nav .nav-cta { margin-block-start: var(--sp-2); }
  .header-actions .btn { display: none; }
}
@media (min-width: 861px) {
  .main-nav .nav-cta { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--c-palm-ink);
  color: #f3efe4;
  position: relative;
  overflow: hidden;
}
.hero::after {
  /* pressed texture strip along the bottom */
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--c-amber), var(--c-amber-soft), var(--c-amber));
}
.hero__in {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: var(--sp-4);
  align-items: center;
  padding-block: clamp(3.5rem, 9vh, 6.5rem);
}
.hero h1 {
  font-size: var(--fs-hero);
  color: #fff;
  max-width: 22ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--c-amber-soft);
}
.hero p.lead {
  margin-block-start: var(--sp-3);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 52ch;
  color: rgba(243, 239, 228, 0.85);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-block-start: var(--sp-4);
}
.hero__art { position: relative; }
.hero__art svg { width: 100%; height: auto; }
.hero__badge {
  margin-block-start: var(--sp-3);
  font-size: var(--fs-small);
  color: rgba(243,239,228,0.7);
  text-align: center;
}

/* Spec ticker under hero */
.spec-ticker {
  background: var(--c-palm-deep);
  color: #ece7d8;
  border-block-start: 1px solid var(--c-line-dark);
}
.spec-ticker ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.spec-ticker li {
  padding: 1.1rem 1.2rem;
  border-inline-start: 1px solid var(--c-line-dark);
}
.spec-ticker li:first-child { border-inline-start: none; }
.spec-ticker .num {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  color: var(--c-amber-soft);
}
.spec-ticker .lbl { font-size: var(--fs-small); color: rgba(236,231,216,0.75); }
@media (max-width: 860px) {
  .hero__in { grid-template-columns: 1fr; }
  .hero__art { max-width: 21rem; margin-inline: auto; }
  .spec-ticker ul { grid-template-columns: 1fr 1fr; }
  .spec-ticker li:nth-child(odd) { border-inline-start: none; }
  .spec-ticker li { border-block-start: 1px solid var(--c-line-dark); }
  .spec-ticker li:nth-child(-n+2) { border-block-start: none; }
}

/* ---------- Sections ---------- */
.section { padding-block: var(--sp-6); }
.section--tight { padding-block: var(--sp-5); }
.section--dark {
  background: var(--c-palm-deep);
  color: #ece7d8;
}
.section--dark h2, .section--dark h3 { color: #fff; }
.section--cream { background: var(--c-cream); }
.section-head { max-width: 46rem; margin-block-end: var(--sp-4); }
.section-head h2 { font-size: var(--fs-h2); }
.section-head p { margin-block-start: var(--sp-2); color: var(--c-ink-60); }
.section--dark .section-head p { color: rgba(236,231,216,0.78); }
.section-num {
  font-family: var(--font-head);
  font-size: var(--fs-label);
  letter-spacing: 0.18em;
  color: var(--c-ink-60);
  margin-block-end: 0.4rem;
}

/* Split layout */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-4);
  align-items: center;
}
.split--rev > :first-child { order: 2; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split--rev > :first-child { order: 0; }
}
.frame {
  border: 1px solid var(--c-line);
  padding: 0.6rem;
  background: var(--c-cream);
}
.frame img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.frame--tall img { aspect-ratio: 3/4; }
.frame--square img { aspect-ratio: 1/1; }
.frame figcaption {
  padding: 0.55rem 0.3rem 0.1rem;
  font-size: 0.78rem;
  color: var(--c-ink-60);
}
.section--dark .frame { background: var(--c-palm-ink); border-color: var(--c-line-dark); }
.section--dark .frame figcaption { color: rgba(236,231,216,0.6); }

/* Feature grid */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}
.feat {
  background: var(--c-sand);
  padding: var(--sp-3);
}
.feat--cream { background: var(--c-cream); }
.feat .icon {
  width: 2.6rem; height: 2.6rem;
  color: var(--c-palm);
  margin-block-end: var(--sp-2);
}
.feat h3 { font-size: var(--fs-h3); margin-block-end: 0.6rem; }
.feat p { font-size: 0.97rem; color: var(--c-ink-60); }
@media (max-width: 860px) { .feat-grid { grid-template-columns: 1fr; } }
@media (min-width: 861px) and (max-width: 1023px) { .feat-grid { grid-template-columns: 1fr 1fr; } }

/* Stat band */
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
}
.stat .num {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.9rem, 4vw, 3rem);
  color: var(--c-palm);
  display: block;
  line-height: 1.1;
}
.section--dark .stat .num { color: var(--c-amber-soft); }
.stat .lbl { font-size: 0.95rem; color: var(--c-ink-60); }
.section--dark .stat .lbl { color: rgba(236,231,216,0.75); }
.stat .src { display:block; font-size: 0.75rem; color: var(--c-ink-60); opacity: 0.8; margin-block-start: 0.2rem;}
@media (max-width: 700px) { .stat-band { grid-template-columns: 1fr 1fr; gap: var(--sp-3) var(--sp-2); } }

/* Process steps */
.steps {
  counter-reset: step;
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-3);
}
.steps li {
  counter-increment: step;
  border-block-start: 2px solid var(--c-palm);
  padding-block-start: var(--sp-2);
  position: relative;
}
.steps li::before {
  content: "0" counter(step);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--c-amber-text);
  display: block;
  margin-block-end: 0.4rem;
  letter-spacing: 0.1em;
}
.steps h3 { font-size: 1.12rem; margin-block-end: 0.45rem; }
.steps p { font-size: 0.95rem; color: var(--c-ink-60); }
.section--dark .steps li { border-block-start-color: var(--c-amber); }
.section--dark .steps li::before { color: var(--c-amber-soft); }
.section--dark .steps p { color: rgba(236,231,216,0.75); }
.steps--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1023px) { .steps--4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 860px) { .steps, .steps--4 { grid-template-columns: 1fr; } }
@media (min-width: 861px) and (max-width: 1023px) { .steps { grid-template-columns: 1fr 1fr; } }

/* Spec tables */
.spec-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.spec-table-wrap::after { content: ""; display: block; height: 2px; }
table.spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  min-width: 30rem;
}
table.spec caption {
  text-align: start;
  font-family: var(--font-head);
  font-weight: 600;
  padding-block-end: 0.8rem;
  font-size: 1.05rem;
}
table.spec th, table.spec td {
  text-align: start;
  padding: 0.7rem 0.9rem;
  border-block-end: 1px solid var(--c-line);
  vertical-align: top;
}
table.spec thead th {
  font-family: var(--font-head);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-ink-60);
  border-block-end: 2px solid var(--c-palm);
}
html[lang="ar"] table.spec thead th { letter-spacing: 0.02em; }
table.spec th[scope="row"] { font-weight: 600; width: 42%; }
table.spec .unit { color: var(--c-ink-60); font-size: 0.85rem; }
.table-hint {
  display: none;
  font-size: 0.8rem;
  color: var(--c-ink-60);
  margin-block-end: 0.5rem;
}
@media (max-width: 700px) { .table-hint { display: flex; align-items: center; gap: 0.4rem; } }

/* Machine accordions */
.machine-list { display: grid; gap: var(--sp-2); }
details.machine {
  border: 1px solid var(--c-line);
  background: var(--c-cream);
  border-radius: var(--radius);
}
details.machine summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 1.05rem 1.25rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
}
details.machine summary::-webkit-details-marker { display: none; }
details.machine summary .tag {
  margin-inline-start: auto;
  flex: none;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-palm);
  background: var(--c-sand-2);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}
details.machine summary .chev {
  flex: none;
  transition: transform 0.25s;
  color: var(--c-palm);
}
details.machine[open] summary .chev { transform: rotate(180deg); }
details.machine .machine__body {
  padding: 0 1.25rem 1.25rem;
  border-block-start: 1px solid var(--c-line);
}
details.machine .machine__body > p {
  padding-block: var(--sp-2) 0.4rem;
  color: var(--c-ink-60);
  font-size: 0.97rem;
}
details.machine table.spec { min-width: 0; }
details.machine table.spec th[scope="row"] { width: 52%; }

/* Filter chips */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-block-end: var(--sp-3);
}
.chips button {
  border: 1.5px solid var(--c-line);
  background: var(--c-cream);
  border-radius: 999px;
  padding: 0.45rem 1.05rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-ink);
  min-height: 40px;
}
.chips button[aria-pressed="true"] {
  background: var(--c-palm);
  border-color: var(--c-palm);
  color: #fff;
}

/* Timeline */
.timeline { list-style: none; padding: 0; display: grid; gap: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--sp-3);
  padding-block: var(--sp-3);
  border-block-start: 1px solid var(--c-line);
}
.timeline .year {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--c-amber-text);
}
.timeline h3 { font-size: 1.1rem; margin-block-end: 0.35rem; }
.timeline p { font-size: 0.97rem; color: var(--c-ink-60); }
@media (max-width: 600px) { .timeline li { grid-template-columns: 1fr; gap: 0.4rem; } }

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
}
.gallery .frame { padding: 0.45rem; }
@media (max-width: 700px) { .gallery { grid-template-columns: 1fr; } }

/* CTA band */
.cta-band {
  background: var(--c-palm);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-end: -6rem;
  width: 24rem;
  background-image: url("../img/texture-press.webp");
  background-size: cover;
  opacity: 0.18;
  pointer-events: none;
}
.cta-band__in {
  position: relative;
  padding-block: var(--sp-5);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  justify-content: space-between;
}
.cta-band h2 { font-size: var(--fs-h2); max-width: 24ch; }
.cta-band p { color: rgba(255,255,255,0.82); margin-block-start: 0.6rem; max-width: 48ch; }

/* Note / disclosure */
.note {
  border-inline-start: 3px solid var(--c-amber);
  background: var(--c-sand-2);
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.92rem;
  color: var(--c-ink-60);
  border-radius: 0 var(--radius) var(--radius) 0;
}
html[dir="rtl"] .note { border-radius: var(--radius) 0 0 var(--radius); }
.section--dark .note { background: rgba(255,255,255,0.06); color: rgba(236,231,216,0.8); }

/* ---------- Forms ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2) var(--sp-3);
}
.form-field { display: flex; flex-direction: column; gap: 0.4rem; }
.form-field--full { grid-column: 1 / -1; }
.form-field label { font-weight: 600; font-size: 0.95rem; }
.form-field .req { color: var(--c-error); }
.form-field input,
.form-field select,
.form-field textarea {
  font: inherit;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-cream);
  color: var(--c-ink);
  min-height: 48px;
  width: 100%;
}
.form-field textarea { min-height: 9rem; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 3px solid var(--c-amber);
  outline-offset: 1px;
  border-color: var(--c-palm);
}
.form-field .field-error {
  color: var(--c-error);
  font-size: 0.85rem;
  display: none;
}
.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea { border-color: var(--c-error); }
.form-field.has-error .field-error { display: block; }
.form-status {
  grid-column: 1 / -1;
  border-radius: var(--radius);
  padding: var(--sp-2) var(--sp-3);
  font-weight: 500;
  display: none;
}
.form-status.is-success { display: block; background: #e4efe4; color: var(--c-success); border: 1px solid var(--c-success); }
.form-status.is-error { display: block; background: #f6e4e1; color: var(--c-error); border: 1px solid var(--c-error); }
.hp-field { position: absolute; inset-inline-start: -9999px; height: 1px; overflow: hidden; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }

.contact-cols {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: var(--sp-5);
  align-items: start;
}
@media (max-width: 900px) { .contact-cols { grid-template-columns: 1fr; } }
.contact-info dl { display: grid; gap: var(--sp-3); }
.contact-info dt {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-palm);
  margin-block-end: 0.25rem;
}
html[lang="ar"] .contact-info dt { letter-spacing: 0.02em; }
.contact-info dd { margin: 0; color: var(--c-ink-60); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-palm-ink);
  color: rgba(236,231,216,0.78);
  padding-block: var(--sp-5) var(--sp-3);
  font-size: 0.95rem;
}
.site-footer a { color: #ece7d8; text-decoration: none; }
.site-footer a:hover { color: var(--c-amber-soft); text-decoration: underline; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: var(--sp-4);
  padding-block-end: var(--sp-4);
  border-block-end: 1px solid var(--c-line-dark);
}
.footer-grid .footer-h {
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-block-end: var(--sp-2);
}
html[lang="ar"] .footer-grid .footer-h { letter-spacing: 0.03em; }
.footer-grid ul { list-style: none; padding: 0; display: grid; gap: 0.55rem; }
.footer-brand p { max-width: 34ch; margin-block-start: var(--sp-2); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: space-between;
  padding-block-start: var(--sp-3);
  font-size: 0.85rem;
  color: rgba(236,231,216,0.55);
}
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Page hero (interior) ---------- */
.page-hero {
  background: var(--c-palm-deep);
  color: #ece7d8;
  padding-block: var(--sp-5);
  border-block-end: 4px solid var(--c-amber);
}
.page-hero h1 { font-size: var(--fs-h1); color: #fff; max-width: 20ch; }
.page-hero p {
  margin-block-start: var(--sp-2);
  max-width: 56ch;
  color: rgba(236,231,216,0.82);
  font-size: 1.1rem;
}
.breadcrumb {
  font-size: var(--fs-small);
  color: rgba(236,231,216,0.6);
  margin-block-end: var(--sp-2);
}
.breadcrumb ol { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.breadcrumb a { color: rgba(236,231,216,0.8); }
.breadcrumb li + li::before { content: "/"; margin-inline-end: 0.5rem; opacity: 0.5; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn .arrow { transition: none; }
}

/* Draw-in SVG pallet motif */
.pallet-motif .draw {
  stroke-dasharray: 640;
  stroke-dashoffset: 640;
}
.pallet-motif.is-in .draw {
  animation: drawline 2.2s ease forwards;
}
@keyframes drawline { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .pallet-motif .draw { stroke-dashoffset: 0; animation: none; }
}

/* 404 */
.error-page { text-align: center; padding-block: var(--sp-6); }
.error-page .code {
  font-family: var(--font-head);
  font-size: clamp(4rem, 14vw, 8rem);
  font-weight: 700;
  color: var(--c-palm);
  line-height: 1;
}
.error-page p { margin-block: var(--sp-2) var(--sp-4); color: var(--c-ink-60); }

/* Prose (privacy etc.) */
.prose { max-width: 46rem; }
.prose h2 { font-size: 1.4rem; margin-block: var(--sp-4) var(--sp-2); }
.prose p + p { margin-block-start: var(--sp-2); }
.prose ul { padding-inline-start: 1.2rem; }

/* Print */
@media print {
  .site-header, .site-footer, .cta-band, .nav-toggle { display: none; }
  body { background: #fff; }
}

/* ---------- Extra pages: Equipment / Process / Buyers & Investors ---------- */
.main-nav ul { flex-wrap: wrap; }
@media (min-width: 861px) and (max-width: 1150px) {
  .main-nav ul { gap: 1rem; }
  .main-nav a { font-size: 0.88rem; }
  .header-actions .btn { display: none; }
}

.chips--dark button {
  background: transparent;
  border-color: var(--c-line-dark);
  color: #ece7d8;
}
.chips--dark button:hover { border-color: var(--c-amber-soft); }
.chips--dark button[aria-pressed="true"] {
  background: var(--c-amber);
  border-color: var(--c-amber);
  color: var(--c-palm-ink);
  font-weight: 700;
}
.chips .stage-num {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  opacity: 0.75;
  margin-inline-end: 0.3rem;
}

.stage-panel {
  border: 1px solid var(--c-line-dark);
  border-radius: 8px;
  background: var(--c-palm-ink);
  padding: var(--sp-3);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--sp-4);
}
@media (max-width: 820px) { .stage-panel { grid-template-columns: 1fr; gap: var(--sp-3); } }
.stage-panel h3 { font-size: 1.25rem; margin-block-end: 0.5rem; color: #fff; }
.stage-panel > div > p { color: rgba(236,231,216,0.8); font-size: 0.97rem; }
.machname {
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-amber-soft);
  margin-block-end: 0.6rem;
}
html[lang="ar"] .machname { letter-spacing: 0.02em; }
.mspec { list-style: none; padding: 0; display: grid; gap: 0.4rem; font-size: 0.92rem; }
.mspec li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-block-end: 1px dashed var(--c-line-dark);
  padding-block: 0.35rem;
}
.mspec .k { color: rgba(236,231,216,0.65); }
.mspec .v { font-weight: 600; text-align: end; color: #ece7d8; }

.calc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  align-items: start;
}
@media (max-width: 820px) { .calc { grid-template-columns: 1fr; } }
.ctrl { display: grid; gap: var(--sp-3); }
.ctrl-label {
  font-weight: 600;
  font-size: 0.98rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.ctrl output { color: var(--c-amber-text); font-weight: 700; }
input[type="range"] { width: 100%; accent-color: var(--c-palm); height: 2rem; }
.calc-results {
  background: var(--c-cream);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  padding: var(--sp-3);
  display: grid;
  gap: var(--sp-2);
}
.calc-big {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4.2vw, 2.8rem);
  font-weight: 700;
  color: var(--c-palm);
  line-height: 1.1;
}
.calc-cap { font-size: 0.9rem; color: var(--c-ink-60); }
.calc-row {
  border-block-start: 1px solid var(--c-line);
  padding-block-start: var(--sp-2);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.97rem;
}
.calc-row b { color: var(--c-palm); }

.audswitch {
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: var(--c-sand);
  border-block-end: 1px solid var(--c-line);
  padding-block: 0.8rem;
}
.audswitch__in { display: flex; gap: 0.6rem; justify-content: center; }
.audswitch button {
  flex: 1;
  max-width: 20rem;
  border: 1.5px solid var(--c-line);
  background: var(--c-cream);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  min-height: 52px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.audswitch button[aria-pressed="true"] {
  background: var(--c-palm);
  border-color: var(--c-palm);
  color: #fff;
}

.feat-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 860px) { .feat-grid--2 { grid-template-columns: 1fr; } }

.timeline--dark li { border-block-start-color: var(--c-line-dark); }
.timeline--dark .year { color: var(--c-amber-soft); }
.timeline--dark p { color: rgba(236,231,216,0.75); }
.timeline--dark h3 { color: #fff; }

.step-mach {
  margin-block-start: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-amber-text);
}
html[lang="ar"] .step-mach { letter-spacing: 0.02em; }
.section--dark .step-mach { color: var(--c-amber-soft); }

/* ---------- Grouped navigation dropdowns ---------- */
.main-nav > ul { align-items: center; }
.main-nav > ul > li { position: relative; display: flex; align-items: center; }
.main-nav > ul > li > a,
.subtoggle {
  display: inline-flex;
  align-items: center;
  padding-block: 0.4rem;
  line-height: 1.3;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-ink);
}
.subtoggle {
  background: none;
  border: none;
  padding-inline: 0;
  gap: 0.3rem;
  border-block-end: 2px solid transparent;
}
.subtoggle:hover { color: var(--c-palm); }
.has-sub.is-active > .subtoggle {
  color: var(--c-palm);
  border-block-end-color: var(--c-amber);
}
.subtoggle .chev { transition: transform 0.2s; }
.has-sub.open > .subtoggle .chev { transform: rotate(180deg); }
@media (prefers-reduced-motion: reduce) { .subtoggle .chev { transition: none; } }

@media (min-width: 861px) {
  .subnav {
    position: absolute;
    top: calc(100% + 0.5rem);
    inset-inline-start: -0.9rem;
    min-width: 13rem;
    background: var(--c-cream);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    box-shadow: 0 14px 30px rgba(28, 26, 21, 0.14);
    list-style: none;
    padding: 0.4rem;
    z-index: 120;
  }
  .subnav a {
    display: block;
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius);
    border-block-end: none;
    font-size: 0.93rem;
  }
  .subnav a:hover { background: var(--c-sand-2); color: var(--c-palm); }
  .subnav a[aria-current="page"] {
    color: var(--c-palm);
    background: var(--c-sand-2);
    border-block-end: none;
  }
  /* revert cramped-nav fallback now that the bar is short again */
  .main-nav ul { gap: 1.5rem; }
}

@media (max-width: 860px) {
  .subtoggle {
    display: flex;
    width: 100%;
    justify-content: space-between;
    padding: 0.85rem 0.25rem;
    font-size: 1.05rem;
    border-block-end: 1px solid var(--c-line);
  }
  .subnav {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .subnav a { padding-inline-start: 1.4rem !important; }
}