/* ==========================================================================
   CRISTAL7 — B2B Denim Manufacturer
   Design system: tokens, layout, components
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  /* surfaces */
  --paper:        #F3F1EA;
  --paper-raised: #FFFFFF;
  --paper-sunken: #EAE7DD;

  /* ink */
  --ink:       #14161B;
  --ink-soft:  #53565F;
  --ink-faint: #85878E;
  --on-denim:  #F3F1EA;

  /* lines */
  --line:        #E1DFD4;
  --line-strong: #C9C6B8;

  /* denim — primary brand hue */
  --denim-900: #0E1B2E;
  --denim-800: #14283F;
  --denim-700: #1D3A5A;
  --denim-600: #2C4E7C;
  --denim-500: #3D6299;
  --denim-400: #7093B8;
  --denim-200: #C4D3E3;
  --denim-100: #E3EAF2;

  /* rivet — sparse copper accent (denim hardware) */
  --rivet:     #A8722E;
  --rivet-600: #8E5D22;
  --rivet-100: #F1E3CB;

  /* semantic */
  --success:     #2F6B45;
  --success-bg:  #E3EFE5;
  --danger:      #9B4433;
  --danger-bg:   #F5E3DF;

  /* elevation — layered, hue-tinted, never flat */
  --shadow-sm: 0 1px 2px rgba(14,27,46,.05), 0 2px 8px rgba(14,27,46,.05);
  --shadow-md: 0 2px 4px rgba(14,27,46,.06), 0 12px 28px rgba(14,27,46,.09);
  --shadow-lg: 0 8px 16px rgba(14,27,46,.08), 0 32px 64px -16px rgba(14,27,46,.22);
  --shadow-inset: inset 0 1px 0 rgba(255,255,255,.4);

  /* spacing scale */
  --sp-1: .25rem;
  --sp-2: .5rem;
  --sp-3: .75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4.5rem;
  --sp-9: 6.5rem;

  --radius-sm: 2px;
  --radius-md: 4px;

  --maxw: 1280px;
  --edge: clamp(1.25rem, 4vw, 3.5rem);

  --ease-spring: cubic-bezier(.2,.8,.2,1);
  --dur: .35s;

  /* type — per-language overrides below swap these for scripts Archivo doesn't cover */
  --font-display: "Archivo Black", "Archivo", "Arial Narrow", sans-serif;
  --font-head:    "Archivo", "Arial Narrow", sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --font-body:    "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;

  color-scheme: light;
}

/* Archivo has no Cyrillic glyphs — Montserrat carries RU headings instead. */
html[lang="ru"]{
  --font-display: "Montserrat", "Archivo", sans-serif;
  --font-head:    "Montserrat", sans-serif;
}

/* Archivo/IBM Plex Sans have no Arabic glyphs — Tajawal + IBM Plex Sans Arabic take over. */
html[lang="ar"]{
  --font-display: "Tajawal", "IBM Plex Sans Arabic", sans-serif;
  --font-head:    "Tajawal", "IBM Plex Sans Arabic", sans-serif;
  --font-mono:    "IBM Plex Sans Arabic", "IBM Plex Mono", sans-serif;
  --font-body:    "IBM Plex Sans Arabic", "IBM Plex Sans", sans-serif;
}

@media (prefers-color-scheme: dark){
  :root{
    --paper:        #0D0F14;
    --paper-raised: #15181F;
    --paper-sunken: #0A0C10;

    --ink:       #ECEAE2;
    --ink-soft:  #ABAEB8;
    --ink-faint: #767981;

    --line:        #262A33;
    --line-strong: #383C47;

    --denim-900: #0A1220;
    --denim-800: #101E33;
    --denim-100: #16233A;
    --denim-200: #1D3050;
    --denim-400: #6E93BE;
    --denim-500: #8AAAD1;
    --denim-600: #A9C2E2;
    --denim-700: #C7D8ED;

    --rivet:     #D9A15A;
    --rivet-600: #E3B478;
    --rivet-100: #2E2313;

    --success-bg: #16261B;
    --danger-bg:  #2C1A15;

    --shadow-sm: 0 1px 2px rgba(0,0,0,.3), 0 2px 8px rgba(0,0,0,.25);
    --shadow-md: 0 2px 4px rgba(0,0,0,.3), 0 12px 28px rgba(0,0,0,.35);
    --shadow-lg: 0 8px 16px rgba(0,0,0,.35), 0 32px 64px -16px rgba(0,0,0,.55);
    --shadow-inset: inset 0 1px 0 rgba(255,255,255,.04);

    color-scheme: dark;
  }
}

/* ---------- Reset ---------- */
*, *::before, *::after{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
button{ font: inherit; color: inherit; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4{ margin: 0; text-wrap: balance; }
p{ margin: 0; }
::selection{ background: var(--denim-600); color: var(--on-denim); }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

/* focus-visible everywhere */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--denim-500);
  outline-offset: 2px;
}

/* ---------- Type ---------- */
.font-display{ font-family: var(--font-display); }
.font-head{ font-family: var(--font-head); font-weight: 800; }
.font-mono{ font-family: var(--font-mono); }

h1, .h1{
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 7vw, 5.4rem);
  line-height: .96;
  letter-spacing: -.01em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}
h2, .h2{
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}
h3, .h3{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  line-height: 1.15;
  letter-spacing: -.005em;
}
h4, .h4{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -.005em;
}
.lede{
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 46ch;
  line-height: 1.55;
}
.body-copy{ max-width: 62ch; color: var(--ink-soft); }
.eyebrow{
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--rivet);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.eyebrow::before{
  content: "";
  width: 1.4em;
  height: 2px;
  background: var(--rivet);
  display: inline-block;
}
.eyebrow.on-dark{ color: var(--rivet-600); }

/* ---------- Layout ---------- */
.wrap{ max-width: var(--maxw); margin: 0 auto; padding-left: var(--edge); padding-right: var(--edge); }
.section{ padding-top: var(--sp-9); padding-bottom: var(--sp-9); border-bottom: 1px solid var(--line); }
.section.tight{ padding-top: var(--sp-8); padding-bottom: var(--sp-8); }
.section.on-denim{ background: var(--denim-900); border-bottom-color: rgba(255,255,255,.08); color: var(--on-denim); }
.section-head{ margin-bottom: var(--sp-7); display: flex; flex-direction: column; gap: var(--sp-3); }
.section-head h2{ max-width: 18ch; }
.grid{ display: grid; gap: var(--sp-5); }
.grid > *{ min-width: 0; }
.g-2{ grid-template-columns: repeat(2, 1fr); }
.g-3{ grid-template-columns: repeat(3, 1fr); }
.g-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px){ .g-4{ grid-template-columns: repeat(2,1fr); } .g-3{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px){ .g-2, .g-3, .g-4{ grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font-family: var(--font-mono); font-weight: 600; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .07em;
  padding: 1rem 1.6rem; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur) var(--ease-spring), background-color var(--dur) var(--ease-spring), border-color var(--dur) var(--ease-spring);
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--ink); color: var(--paper); box-shadow: var(--shadow-sm); }
.btn-primary:hover{ background: var(--denim-700); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.btn-line{ background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-line:hover{ border-color: var(--ink); background: var(--paper-raised); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-on-denim{ background: var(--on-denim); color: var(--denim-900); }
.btn-on-denim:hover{ background: var(--rivet-100); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost-on-denim{ background: transparent; color: var(--on-denim); border-color: rgba(255,255,255,.35); }
.btn-ghost-on-denim:hover{ border-color: var(--on-denim); background: rgba(255,255,255,.06); transform: translateY(-2px); }
.btn-wa{ background: #1F3B2E; color: #EAF3EC; border-color: transparent; }
.btn-wa:hover{ background: #244A38; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-sm{ padding: .7rem 1.15rem; font-size: .74rem; }
.btn-row{ display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; }

/* ---------- Header / nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur) var(--ease-spring);
}
.site-header.is-scrolled{ box-shadow: var(--shadow-sm); }
.header-inner{
  max-width: var(--maxw); margin: 0 auto; padding: 0 var(--edge);
  height: 76px; display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5);
}
.logo{
  font-family: var(--font-head); font-weight: 800; font-size: 1.05rem;
  letter-spacing: .01em; text-transform: uppercase; display: flex; flex-direction: column; line-height: 1.05;
}
.logo small{
  font-family: var(--font-mono); font-weight: 500; font-size: .6rem;
  letter-spacing: .14em; color: var(--rivet); text-transform: uppercase; margin-top: 2px;
}
.main-nav{ display: flex; align-items: center; gap: var(--sp-5); }
.main-nav ul{ display: flex; gap: var(--sp-4); }
.main-nav ul a{
  font-family: var(--font-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--ink-soft); padding: .4rem 0; position: relative; white-space: nowrap;
  transition: color var(--dur) var(--ease-spring);
}
.main-nav ul a:hover, .main-nav ul a[aria-current="page"]{ color: var(--ink); }
.main-nav ul a[aria-current="page"]::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px; background: var(--rivet);
}
.nav-toggle{
  display: none; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--paper-raised); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.nav-toggle span{ display:block; width: 20px; height: 2px; background: var(--ink); transition: transform var(--dur) var(--ease-spring), opacity var(--dur); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px){
  .main-nav{
    position: fixed; inset: 76px 0 0 0; height: calc(100vh - 76px); background: var(--paper); padding: var(--sp-6) var(--edge);
    flex-direction: column; align-items: flex-start; transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity var(--dur) var(--ease-spring), transform var(--dur) var(--ease-spring);
    overflow-y: auto;
  }
  .main-nav.is-open{ opacity: 1; transform: translateY(0); pointer-events: auto; }
  .main-nav ul{ flex-direction: column; gap: var(--sp-5); width: 100%; }
  .main-nav ul a{ font-size: 1.1rem; display: block; }
  .main-nav .btn-row{ margin-top: var(--sp-6); flex-direction: column; align-items: stretch; width: 100%; }
  .nav-toggle{ display: flex; }
}

/* ---------- Hero ---------- */
.hero{ padding-top: var(--sp-8); padding-bottom: var(--sp-7); }
.hero-grid{ display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--sp-8); align-items: end; }
.hero-grid > *{ min-width: 0; }
@media (max-width: 900px){ .hero-grid{ grid-template-columns: 1fr; gap: var(--sp-6); } }
.hero h1{ margin-top: var(--sp-4); }
.hero-position{
  margin-top: var(--sp-3); font-family: var(--font-head); font-weight: 700;
  font-size: clamp(1.1rem, 2.3vw, 1.55rem); text-transform: uppercase; letter-spacing: .01em; color: var(--denim-600);
}
.hero .subline{ margin-top: var(--sp-5); font-family: var(--font-mono); font-size: clamp(.95rem,1.6vw,1.15rem); text-transform: uppercase; letter-spacing: .03em; color: var(--ink-soft); line-height: 1.8; }
.hero .tagline{ margin-top: var(--sp-4); font-size: 1.15rem; color: var(--ink); font-style: italic; font-family: var(--font-body); }
.hero .btn-row{ margin-top: var(--sp-6); }

.trust-bar{
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  margin-top: var(--sp-7);
}
.trust-bar ul{
  display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-6);
  padding: var(--sp-4) 0; max-width: var(--maxw); margin: 0 auto; padding-left: var(--edge); padding-right: var(--edge);
}
.trust-bar li{
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-soft); display: flex; align-items: center; gap: .55em;
}
.trust-bar li::before{ content:""; width: 5px; height: 5px; border-radius: 50%; background: var(--rivet); flex: none; }

/* ---------- Media placeholder (no real photos yet) ---------- */
.media{
  position: relative; overflow: hidden; background: var(--denim-100);
  aspect-ratio: var(--ar, 4/5); border-radius: var(--radius-sm);
}
.media img{ position:absolute; inset:0; width:100%; height:100%; object-fit: cover; }
.media-ph{
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(115deg, transparent, transparent 9px, rgba(14,27,46,.05) 9px, rgba(14,27,46,.05) 10px),
    linear-gradient(160deg, var(--denim-100), var(--paper-sunken));
  display: flex; align-items: flex-end; padding: var(--sp-4);
}
.media-ph-label{
  font-family: var(--font-mono); font-size: .64rem; letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-soft); background: var(--paper-raised); border: 1px dashed var(--line-strong);
  padding: .4em .7em; border-radius: var(--radius-sm); line-height: 1.4;
}
.media-tag{
  position: absolute; top: var(--sp-3); left: var(--sp-3);
  font-family: var(--font-mono); font-size: .64rem; letter-spacing: .05em; text-transform: uppercase;
  background: var(--paper-raised); border: 1px solid var(--line-strong); padding: .3em .6em; border-radius: var(--radius-sm);
}

/* ---------- Cards ---------- */
.card{
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm); display: flex; flex-direction: column;
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur) var(--ease-spring), border-color var(--dur) var(--ease-spring);
}
.card:hover{ transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.card .media{ border-radius: var(--radius-md) var(--radius-md) 0 0; }
.card-body{ padding: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-2); flex: 1; }
.card-body h4{ text-transform: uppercase; }
.card-body p{ font-size: .88rem; color: var(--ink-soft); }
.card-specs{ margin-top: auto; padding-top: var(--sp-3); border-top: 1px dashed var(--line-strong); display: flex; flex-direction: column; gap: .3rem; }
.spec-row{ display: flex; justify-content: space-between; gap: var(--sp-3); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .03em; text-transform: uppercase; }
.spec-row .k{ color: var(--ink-faint); }
.spec-row .v{ color: var(--ink); font-weight: 600; }
.model-code{ font-family: var(--font-mono); font-size: .68rem; color: var(--rivet); letter-spacing: .06em; }

/* ---------- Process strip (numbered — real sequences only) ---------- */
.process{ display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--sp-4); counter-reset: step; }
@media (max-width: 980px){ .process{ grid-template-columns: repeat(3,1fr); } }
@media (max-width: 560px){ .process{ grid-template-columns: 1fr 1fr; } }
.step{ position: relative; padding-top: var(--sp-5); border-top: 2px solid var(--line-strong); }
.step .num{ font-family: var(--font-mono); font-weight: 600; font-size: .8rem; color: var(--rivet); }
.step h4{ margin-top: var(--sp-2); text-transform: uppercase; font-size: .92rem; }
.step p{ margin-top: var(--sp-2); font-size: .82rem; color: var(--ink-soft); }
.on-denim .step{ border-top-color: rgba(255,255,255,.25); }
.on-denim .step p{ color: rgba(243,241,234,.68); }

/* ---------- Factory line ---------- */
.line-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
@media (max-width: 900px){ .line-grid{ grid-template-columns: repeat(2,1fr); } }
.line-item{ display: flex; flex-direction: column; gap: var(--sp-3); }
.line-item .media{ --ar: 5/4; }
.line-item .cap{ display: flex; align-items: baseline; gap: var(--sp-2); }
.line-item .cap .num{ font-family: var(--font-mono); color: var(--rivet); font-size:.78rem; }
.line-item .cap h4{ text-transform: uppercase; font-size: .92rem; }

/* ---------- Feature list (why turkish denim) ---------- */
.feature-list{ display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3) var(--sp-6); }
@media (max-width: 640px){ .feature-list{ grid-template-columns: 1fr; } }
.feature-list li{ display: flex; gap: var(--sp-3); align-items: flex-start; padding: var(--sp-3) 0; border-top: 1px dashed var(--line-strong); }
.feature-list li .mk{ font-family: var(--font-mono); color: var(--rivet); font-size:.8rem; padding-top: .15em; }

/* ---------- CTA band ---------- */
.cta-band{ text-align: left; }
.cta-band h2{ max-width: 22ch; }
.cta-band .lede{ color: rgba(243,241,234,.75); max-width: 52ch; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--denim-900); color: var(--on-denim); padding: var(--sp-8) 0 var(--sp-6); }
.footer-grid{ display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--sp-6); padding-bottom: var(--sp-7); border-bottom: 1px solid rgba(255,255,255,.12); }
@media (max-width: 900px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-grid h5{ font-family: var(--font-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color: var(--rivet-600); margin-bottom: var(--sp-3); }
.footer-grid a, .footer-grid p{ color: rgba(243,241,234,.75); font-size: .88rem; }
.footer-grid li{ margin-bottom: .5rem; }
.footer-grid a:hover{ color: var(--on-denim); }
.footer-bottom{ display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-3); padding-top: var(--sp-5); font-size: .76rem; color: rgba(243,241,234,.5); font-family: var(--font-mono); }

/* ---------- WhatsApp floating button ---------- */
.wa-float{
  position: fixed; right: var(--sp-5); bottom: var(--sp-5); z-index: 70;
  display: inline-flex; align-items: center; gap: .6em;
  background: #1F3B2E; color: #EAF3EC; border-radius: 999px; padding: .85rem 1.2rem;
  box-shadow: var(--shadow-lg); font-family: var(--font-mono); font-size: .78rem; letter-spacing: .04em; text-transform: uppercase; font-weight: 600;
  transition: transform var(--dur) var(--ease-spring), box-shadow var(--dur) var(--ease-spring);
}
.wa-float:hover{ transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 32px -8px rgba(0,0,0,.4); }
.wa-float svg{ width: 18px; height: 18px; flex: none; }
@media (max-width: 560px){
  .wa-float span{ display: none; }
  .wa-float{ padding: .95rem; }
}

/* ---------- Forms (RFQ) ---------- */
.rfq{ background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-md); padding: var(--sp-6); }
.f-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
@media (max-width: 640px){ .f-grid{ grid-template-columns: 1fr; } }
.f-field{ display: flex; flex-direction: column; gap: .5rem; }
.f-field.full{ grid-column: 1 / -1; }
.f-field label{ font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }
.f-field label .req{ color: var(--rivet); }
.f-field input, .f-field select, .f-field textarea{
  font-family: var(--font-body); font-size: .95rem; color: var(--ink);
  background: var(--paper); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  padding: .85rem .9rem; transition: border-color var(--dur), box-shadow var(--dur);
}
.f-field input:focus, .f-field select:focus, .f-field textarea:focus{
  border-color: var(--denim-500); box-shadow: 0 0 0 3px var(--denim-100); outline: none;
}
.f-field textarea{ resize: vertical; min-height: 110px; }
.chip-group{ display: flex; flex-wrap: wrap; gap: .5rem; }
.chip-opt{ position: relative; }
.chip-opt input{ position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.chip-opt span{
  display: inline-flex; padding: .55rem .95rem; border: 1px solid var(--line-strong); border-radius: 999px;
  font-family: var(--font-mono); font-size: .74rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--ink-soft); transition: all var(--dur) var(--ease-spring);
}
.chip-opt input:checked + span{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.chip-opt input:focus-visible + span{ outline: 2px solid var(--denim-500); outline-offset: 2px; }
.file-drop{
  border: 1px dashed var(--line-strong); border-radius: var(--radius-sm); padding: var(--sp-5);
  display: flex; flex-direction: column; align-items: center; gap: .5rem; text-align: center; cursor: pointer;
  transition: border-color var(--dur), background var(--dur);
}
.file-drop:hover{ border-color: var(--denim-500); background: var(--denim-100); }
.file-drop input{ display: none; }
.file-drop .fname{ font-family: var(--font-mono); font-size: .78rem; color: var(--ink); }
.form-note{ font-size: .78rem; color: var(--ink-faint); }
.form-status{ margin-top: var(--sp-4); padding: var(--sp-3) var(--sp-4); border-radius: var(--radius-sm); font-size: .88rem; display: none; }
.form-status.show{ display: block; }
.form-status.ok{ background: var(--success-bg); color: var(--success); }
.form-status.err{ background: var(--danger-bg); color: var(--danger); }

/* ---------- Reveal-on-scroll ---------- */
.reveal{ opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease-spring), transform .7s var(--ease-spring); }
.reveal.is-visible{ opacity: 1; transform: translateY(0); }

/* ---------- Cookie consent ---------- */
.consent-bar{
  position: fixed; left: var(--sp-4); right: var(--sp-4); bottom: var(--sp-4); z-index: 90;
  max-width: 620px; margin: 0 auto;
  background: var(--paper-raised); border: 1px solid var(--line-strong); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: var(--sp-5);
  display: flex; flex-wrap: wrap; gap: var(--sp-4); align-items: center; justify-content: space-between;
  transform: translateY(140%); transition: transform var(--dur) var(--ease-spring);
}
.consent-bar.show{ transform: translateY(0); }
.consent-bar p{ font-size: .82rem; color: var(--ink-soft); flex: 1 1 260px; }
.consent-actions{ display: flex; gap: .6rem; }

/* ---------- Breadcrumb / page hero (inner pages) ---------- */
.page-hero{ padding-top: var(--sp-7); padding-bottom: var(--sp-6); }
.page-hero h1{ font-size: clamp(2.2rem, 5.5vw, 3.6rem); margin-top: var(--sp-3); }
.page-hero .lede{ margin-top: var(--sp-4); }

/* ---------- utility ---------- */
.mt-1{ margin-top: var(--sp-1);} .mt-2{ margin-top: var(--sp-2);} .mt-3{ margin-top: var(--sp-3);}
.mt-4{ margin-top: var(--sp-4);} .mt-5{ margin-top: var(--sp-5);} .mt-6{ margin-top: var(--sp-6);}
.center{ text-align: center; }
.stack{ display: flex; flex-direction: column; gap: var(--sp-3); }
.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.table-wrap{ overflow-x: auto; }
table{ border-collapse: collapse; width: 100%; min-width: 480px; }
th, td{ text-align: left; padding: .8rem 1rem; border-bottom: 1px solid var(--line); font-size: .88rem; }
th{ font-family: var(--font-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); }

/* ---------- Language gate (first-visit full-screen picker) ----------
   Translucent + blurred rather than a solid slab, so the hero and brand
   identity underneath stay felt, not hidden — see .lang-gate.is-visible
   for the fade-in (toggled by i18n.js a frame after [hidden] is cleared,
   so the opacity transition actually has something to animate from). */
.lang-gate{
  position: fixed; inset: 0; z-index: 200;
  background: color-mix(in srgb, var(--denim-900) 62%, transparent);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  color: var(--on-denim);
  display: flex; align-items: center; justify-content: center; padding: var(--sp-6);
  opacity: 0;
  transition: opacity .28s ease;
}
.lang-gate.is-visible{ opacity: 1; }
.lang-gate[hidden]{ display: none !important; }
.lang-gate-inner{
  text-align: center; max-width: 420px; width: 100%;
  opacity: 0; transform: translateY(8px);
  transition: opacity .32s ease .06s, transform .32s ease .06s;
}
.lang-gate.is-visible .lang-gate-inner{ opacity: 1; transform: translateY(0); }
.lang-gate-eyebrow{ font-family: var(--font-display); font-size: clamp(1.8rem, 6vw, 2.6rem); letter-spacing: -.01em; text-transform: uppercase; }
.lang-gate-position{
  margin-top: var(--sp-2); font-family: var(--font-head); font-weight: 700;
  text-transform: uppercase; font-size: 1rem; letter-spacing: .01em; color: var(--rivet-600);
}
.lang-gate-select{
  margin-top: var(--sp-6); font-family: var(--font-mono); font-size: .74rem;
  text-transform: uppercase; letter-spacing: .16em; color: rgba(243,241,234,.55);
}
.lang-gate-options{ margin-top: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-3); }
.lang-gate-btn{
  font-family: var(--font-body); font-size: 1rem; font-weight: 600;
  padding: 1rem 1.5rem; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.03); color: var(--on-denim); cursor: pointer; text-align: center;
  transition: background var(--dur) var(--ease-spring), border-color var(--dur) var(--ease-spring), transform var(--dur) var(--ease-spring);
}
.lang-gate-btn:hover, .lang-gate-btn:focus-visible{ background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.4); transform: translateY(-2px); }

/* ---------- Navbar language switcher ---------- */
.lang-switch{ position: relative; }
.lang-switch-toggle{
  display: flex; align-items: center; gap: .3em; font-family: var(--font-mono); font-size: .74rem;
  text-transform: uppercase; letter-spacing: .04em; color: var(--ink-soft); white-space: nowrap;
  background: transparent; border: 1px solid var(--line-strong); padding: .4rem .6rem; border-radius: var(--radius-sm);
  cursor: pointer; transition: border-color var(--dur), color var(--dur);
}
.lang-switch-toggle:hover, .lang-switch-toggle[aria-expanded="true"]{ color: var(--ink); border-color: var(--ink); }
.lang-switch-caret{ font-size: .7em; }
.lang-switch-menu{
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 150px;
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-md);
  padding: .4rem; display: none; flex-direction: column; gap: .15rem; z-index: 80;
}
.lang-switch-menu.is-open{ display: flex; }
.lang-switch-menu a{
  display: flex; align-items: center; justify-content: space-between; padding: .55rem .7rem;
  border-radius: var(--radius-sm); font-family: var(--font-body); font-size: .86rem; color: var(--ink-soft);
}
.lang-switch-menu a:hover{ background: var(--paper-sunken); color: var(--ink); }
.lang-switch-menu a[aria-current="page"]{ color: var(--ink); font-weight: 600; }
@media (max-width: 900px){
  .lang-switch-toggle{ display: none; }
  .lang-switch-menu{
    position: static; display: flex; flex-direction: row; flex-wrap: wrap; gap: .5rem;
    box-shadow: none; border: none; background: transparent; padding: 0; margin-top: var(--sp-6);
  }
  .lang-switch-menu a{
    border: 1px solid var(--line-strong); font-family: var(--font-mono); text-transform: uppercase;
    font-size: .72rem; letter-spacing: .04em; padding: .5rem .8rem;
  }
}

/* ---------- RTL (Arabic) ---------- */
[dir="rtl"] .wa-float{ right: auto; left: var(--sp-5); }
[dir="rtl"] .lang-switch-menu{ right: auto; left: 0; }
[dir="rtl"] .main-nav ul a[aria-current="page"]::after{ left: 0; right: 0; }
/* Letter-spacing and forced uppercase break Arabic's joined letterforms — neutralise both
   on every element that carries translated Arabic prose, labels or nav text. */
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] h4,
[dir="rtl"] .eyebrow, [dir="rtl"] .hero-position, [dir="rtl"] .hero .subline,
[dir="rtl"] .btn, [dir="rtl"] .main-nav ul a, [dir="rtl"] .logo small,
[dir="rtl"] .trust-bar li, [dir="rtl"] .footer-grid h5, [dir="rtl"] .footer-bottom,
[dir="rtl"] .form-note, [dir="rtl"] .f-field label, [dir="rtl"] .chip-opt span,
[dir="rtl"] .lang-gate-select, [dir="rtl"] .lang-switch-toggle, [dir="rtl"] .lang-switch-menu a{
  letter-spacing: normal;
}
[dir="rtl"] .btn, [dir="rtl"] .main-nav ul a, [dir="rtl"] .trust-bar li,
[dir="rtl"] .footer-grid h5, [dir="rtl"] .form-note, [dir="rtl"] .f-field label,
[dir="rtl"] .chip-opt span, [dir="rtl"] .lang-switch-menu a{
  text-transform: none;
}