/* Bilingual extension: logical layout, Arabic typography, and permanent language controls. */
.language-switch {
  display: inline-flex; align-items: center; flex-shrink: 0; gap: 2px;
  direction: ltr; border: 1px solid var(--line); border-radius: 4px;
  padding: 0 3px; min-height: 44px; background: #ffffff02;
}
.language-switch button {
  min-width: 42px; min-height: 42px; padding: 4px 8px; border: 0;
  background: transparent; border-radius: 2px; color: #aebbc8;
  font-family: Arial, "Noto Sans Arabic", Tahoma, sans-serif;
  font-size: 12px; line-height: 1.5; transition: color .2s, background .2s;
}
.language-switch button[lang="ar"] { font-family: "Noto Sans Arabic", Tahoma, Arial, sans-serif; font-size: 13px; }
.language-switch button.is-active { color: var(--gold-light); background: #d8b56e10; }
.language-switch button:hover { color: var(--gold-light); }
.language-separator { color: #697c8d; font: 11px/1 Arial, sans-serif; }
.nav-inner { gap: 20px; }
.desktop-nav { margin-inline-end: 0; }
.brand { direction: ltr; }
.brand-name { font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
.brand-mark { font-family: Georgia, "Times New Roman", serif; }
.dialog-toolbar > .mono { flex: 1; }
.dialog-toolbar .language-switch { margin-inline-start: auto; }
.dialog-close { flex-shrink: 0; }
[dir="ltr"][data-email], [data-recipient] { unicode-bidi: isolate; }
#work-email { text-align: left; font-family: Inter, Arial, sans-serif; }
.decision-chart, .decision-chart svg { direction: ltr; }
.decision-chart text { unicode-bidi: isolate; }
.example-data-table caption { text-align: start; }
.example-data-table th, .example-data-table td { text-align: center; }
.example-data-table th:first-child { text-align: start; }
.form-field select { text-overflow: ellipsis; }
.form-field :is(input, select, textarea) { font-size: 16px; }
.dialog-toolbar { padding-inline: 24px 16px; }

/* Arabic text uses installed/system Arabic fonts, without external font downloads. */
html[lang="ar"] {
  --body: "Noto Sans Arabic", Tahoma, "Segoe UI", Arial, sans-serif;
  --display: "Noto Naskh Arabic", "Geeza Pro", "Traditional Arabic", Tahoma, serif;
  --mono: "Noto Sans Arabic", Tahoma, Arial, sans-serif;
}
html[lang="ar"] body { line-height: 1.9; }
/* Arabic reads a touch larger again: Naskh sits smaller than Latin at the same size. */
html[lang="ar"] .booking-step-label { font-size: 14px; }
html[lang="ar"] .booking-came-value { font-size: 17px; line-height: 1.9; }
html[lang="ar"] .booking-facts-focus { font-size: 23px; line-height: 1.7; }
html[lang="ar"] .booking-facts-list dt { font-size: 13px; }
html[lang="ar"] .booking-facts-list dd { font-size: 17px; line-height: 1.9; }
html[lang="ar"] .booking-fact-alt { font-size: 15px; }
html[lang="ar"] .booking-main h3 { font-size: 36px; line-height: 1.5; }
html[lang="ar"] .form-intro, html[lang="ar"] .form-note { font-size: 15px; line-height: 1.95; }
html[lang="ar"] .form-field label, html[lang="ar"] .request-ready label { font-size: 14px; }
html[lang="ar"] .goal-fieldset legend { font-size: 14px; }
html[lang="ar"] .goal-hint, html[lang="ar"] .goal-domain { font-size: 14px; line-height: 1.9; }
html[lang="ar"] .goal-text { font-size: 16px; line-height: 1.8; }
html[lang="ar"] .schedule-label { font-size: 13px; }
html[lang="ar"] .day-chip { min-width: 96px; }
html[lang="ar"] .day-chip-weekday { font-size: 12px; }
html[lang="ar"] .day-chip-day { font-size: 23px; }
html[lang="ar"] .day-chip-free { font-size: 12px; }
html[lang="ar"] .slot { font-size: 18px; line-height: 1.7; }
html[lang="ar"] .slot-alt, html[lang="ar"] .slot-reason { font-size: 13px; }
html[lang="ar"] .slot-empty { font-size: 15px; }
html[lang="ar"] .schedule-actions .button, html[lang="ar"] .booking-main .button { font-size: 15px; }
html[lang="ar"] .confirm-when { font-size: 14px; }
html[lang="ar"] .booking-next li { font-size: 16px; line-height: 1.95; }
html[lang="ar"] .booking-done > p:not(.form-note), html[lang="ar"] .request-ready > p:not(.form-note) { font-size: 16px; line-height: 1.95; }
html[lang="ar"] :where(h1,h2,h3,h4,p,a,button,span,strong,small,summary,dt,dd,li,text,label,figcaption) { letter-spacing: 0; }
html[lang="ar"] em { font-style: normal; }
html[lang="ar"] .mono, html[lang="ar"] .eyebrow { letter-spacing: 0; text-transform: none; line-height: 1.8; }
html[lang="ar"] .eyebrow { font-size: 12px; }
html[lang="ar"] .hero-meta .eyebrow { font-size: 12px; }
html[lang="ar"] .hero-meta .location { font-size: 10px; }
html[lang="ar"] h1 { font-size: clamp(52px, 5.3vw, 78px); line-height: 1.28; font-weight: 500; }
html[lang="ar"] .hero-handoff { font-size: .77em; }
html[lang="ar"] .hero-description { font-size: 16px; line-height: 2; max-width: 475px; }
html[lang="ar"] .hero-note { font-size: 12px; line-height: 1.9; }
html[lang="ar"] .hero-baseline > .mono { font-size: 11px; }
html[lang="ar"] .button, html[lang="ar"] .text-link { font-size: 14px; line-height: 1.7; }
html[lang="ar"] .desktop-nav a, html[lang="ar"] .nav-cta { font-size: 13px; white-space: nowrap; }
html[lang="ar"] .desktop-nav { gap: 25px; }
html[lang="ar"] .nav-cta { gap: 18px; }
html[lang="ar"] .explorer-heading > .mono { font-size: 11px; }
html[lang="ar"] .demo-badge { font-size: 10px; }
html[lang="ar"] .scenario-tabs button { font-size: 12px; line-height: 1.9; padding-inline: 5px; }
html[lang="ar"] .decision-question > .mono { font-size: 11px; }
html[lang="ar"] .decision-question h2 { font-size: 23px; line-height: 1.65; min-height: 76px; }
html[lang="ar"] .chart-meta > .mono, html[lang="ar"] .chart-legend { font-size: 11px; }
html[lang="ar"] .chart-axis { font-family: var(--body); font-size: 14px; }
html[lang="ar"] .chart-zone { font-size: 11px; letter-spacing: 0; }
html[lang="ar"] .threshold-caption, html[lang="ar"] .simulated-note { font-size: 11px; }
html[lang="ar"] .signal-summary .mono, html[lang="ar"] .recommended-action .mono { font-size: 10px; }
html[lang="ar"] .signal-summary p:last-child { font-size: 13px; line-height: 1.9; }
html[lang="ar"] .recommended-action strong { font-size: 14px; }
html[lang="ar"] .decision-controls { font-size: 11px; flex-wrap: wrap; gap: 9px; }
html[lang="ar"] .delivery-grid strong { font-size: 13px; }
html[lang="ar"] .delivery-grid small { font-size: 11px; line-height: 1.8; }
html[lang="ar"] .section-intro h2, html[lang="ar"] .about-copy h2 { line-height: 1.4; }
html[lang="ar"] .section-intro > p, html[lang="ar"] .section-footnote { line-height: 2; }
html[lang="ar"] .service-card h3 { font-size: 37px; line-height: 1.5; }
html[lang="ar"] .service-card-top .mono { font-size: 11px; }
html[lang="ar"] .service-promise { font-size: 15px; }
html[lang="ar"] .service-description { font-size: 15px; line-height: 2; min-height: 91px; }
html[lang="ar"] .service-accordion summary { font-size: 14px; line-height: 1.9; }
html[lang="ar"] .service-detail { font-size: 14px; line-height: 2; }
html[lang="ar"] .deliverable { font-size: 13px; line-height: 1.9; }
html[lang="ar"] .deliverable span { font-size: 11px; }
html[lang="ar"] .featured-case-copy h3 { line-height: 1.4; }
html[lang="ar"] .featured-case-copy > .mono { font-size: 11px; }
html[lang="ar"] .featured-case-copy > p:not(.mono) { font-size: 15px; line-height: 2; }
html[lang="ar"] .case-facts dd, html[lang="ar"] .case-facts dt { font-size: 13px; line-height: 2; }
html[lang="ar"] .product-heading > span:first-child { font-size: 17px; }
html[lang="ar"] .product-tag, html[lang="ar"] .risk-tag { font-size: 10px; }
html[lang="ar"] .product-subtitle, html[lang="ar"] .product-feedback { font-size: 12px; line-height: 1.9; }
html[lang="ar"] .product-table > div { font-size: 11px; }
html[lang="ar"] .product-table > .product-table-head { font-size: 10px; }
html[lang="ar"] .product-flow > span { font-size: 12px; }
html[lang="ar"] .visual-caption, html[lang="ar"] .case-sector { font-size: 10px; }
html[lang="ar"] .case-row-title { font-size: 30px; line-height: 1.5; }
html[lang="ar"] .case-row-description { font-size: 13px; line-height: 1.9; }
html[lang="ar"] .work-endnote > p { line-height: 2; }
html[lang="ar"] .loop-topline > .mono, html[lang="ar"] .loop-context { font-size: 12px; }
html[lang="ar"] .loop-node strong { font-size: 17px; }
html[lang="ar"] .loop-node > span:last-child { font-size: 12px; }
html[lang="ar"] .feedback-text { font-size: 12px; }
html[lang="ar"] .method-step h3 { font-size: 18px; line-height: 1.8; }
html[lang="ar"] .method-step > p { font-size: 14px; line-height: 2; min-height: 135px; }
html[lang="ar"] .step-output, html[lang="ar"] .method-bottom > p { font-size: 12px; line-height: 1.9; }
html[lang="ar"] .about-copy > p:not(.eyebrow) { font-size: 15px; line-height: 2; }
html[lang="ar"] .team-principles h3 { font-size: 18px; line-height: 1.8; }
html[lang="ar"] .team-principles p { font-size: 14px; line-height: 2; }
html[lang="ar"] .insight-meta > .mono { font-size: 10px; }
html[lang="ar"] .insight-card h3 { font-size: 32px; line-height: 1.55; }
html[lang="ar"] .insight-card > p { font-size: 14px; line-height: 2; }
html[lang="ar"] .contact-grid h2 { line-height: 1.4; }
html[lang="ar"] .contact-grid > div > p:not(.eyebrow) { font-size: 15px; line-height: 2; }
html[lang="ar"] .contact-grid .contact-action > p { font-size: 12px; }
html[lang="ar"] .footer-main > p, html[lang="ar"] .footer-main nav a { font-size: 13px; line-height: 1.9; }
html[lang="ar"] .footer-bottom { font-size: 11px; }
html[lang="ar"] .dialog-content h2 { font-size: 45px; line-height: 1.5; }
html[lang="ar"] .dialog-content h3 { font-size: 29px; line-height: 1.6; }
html[lang="ar"] .dialog-content blockquote { font-size: 28px; line-height: 1.8; }
html[lang="ar"] .dialog-content p, html[lang="ar"] .dialog-content .dialog-lead { font-size: 16px; line-height: 2.05; }
html[lang="ar"] .dialog-content > .eyebrow { font-size: 12px; }
html[lang="ar"] .dialog-footer-note { font-size: 12px !important; }
html[lang="ar"] .detail-deliverables li { font-size: 12px; }
html[lang="ar"] .action-detail-grid span { font-size: 12px; }
html[lang="ar"] .economics-diagram strong { font-size: 15px; }
html[lang="ar"] .economics-diagram p { font-size: 14px; }
html[lang="ar"] .form-intro { font-size: 14px; }
html[lang="ar"] .form-field label, html[lang="ar"] .request-ready label { font-size: 13px; }
html[lang="ar"] .form-note { font-size: 12px; line-height: 2; }
html[lang="ar"] .request-ready > p:not(.form-note) { font-size: 15px; }
html[lang="ar"] .request-ready textarea { font-size: 14px; line-height: 2; }
html[lang="ar"] .example-data-table { font-size: 15px; }
html[lang="ar"] .example-data-table caption, html[lang="ar"] .example-data-table thead th { font-size: 13px; }

/* Mirror directional controls and connectors, never the plotted data or Latin identity. */
html[dir="rtl"] [data-directional] { transform: scaleX(-1); }
html[dir="rtl"] .text-link:hover [data-directional] { transform: translateX(-4px) scaleX(-1); }
html[dir="rtl"] .decision-explorer::before { left: auto; right: -1px; border-radius: 0 12px 0 0; }
html[dir="rtl"] .loop-node:not(:last-child)::after { content: '←'; right: auto; left: -20px; }
html[dir="rtl"] .feedback-arrow { left: auto; right: -5px; }
html[dir="rtl"] .feedback-arrow:last-child { right: auto; left: -5px; }
html[dir="rtl"] .dialog-content blockquote { padding-inline: 22px 0; }
html[dir="rtl"] .product-table .icon { margin-inline-start: auto; }

@media (max-width: 1100px) {
  .desktop-nav { display: none; }
  .mobile-toggle { display: block; }
  .nav-inner > .language-switch { margin-inline-start: auto; }
  .nav-cta { margin-inline-start: 0; }
  html[lang="ar"] .hero-grid { grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 30px; }
  html[lang="ar"] h1 { font-size: clamp(46px, 5.8vw, 65px); }
  html[lang="ar"] .hero-description { font-size: 14px; }
  html[lang="ar"] .hero-note { font-size: 11px; }
  html[lang="ar"] .decision-question h2 { font-size: 21px; }
  html[lang="ar"] .service-card h3 { font-size: 32px; }
  html[lang="ar"] .service-description { min-height: 120px; }
  html[lang="ar"] .loop-node > span:last-child { font-size: 11px; }
  html[dir="rtl"] .loop-node:not(:last-child)::after { left: -13px; }
}
@media (max-width: 760px) {
  .nav-inner { gap: 12px; }
  .dialog-toolbar { gap: 8px; padding-inline: 16px 8px; }
  .dialog-toolbar > .mono { font-size: 9px; }
  .loop-nodes { margin-inline: 0; }
  .feedback-path {
    position: relative; inset: auto; width: 100%; height: auto; margin: 23px 0 0;
    border: 1px solid #5c5948; border-inline-start: 2px solid var(--gold);
    padding: 11px 12px; border-radius: 4px;
  }
  .feedback-arrow { display: none; }
  .feedback-text { position: static; padding: 0; transform: none; writing-mode: horizontal-tb; white-space: normal; font-size: 11px; background: transparent; }
  .feedback-text .icon { display: inline-block; }
  html[lang="ar"] .hero-grid { grid-template-columns: minmax(0,1fr); gap: 38px; }
  html[lang="ar"] h1 { font-size: clamp(49px, 10.5vw, 68px); line-height: 1.3; }
  html[lang="ar"] .hero-meta { margin-bottom: 28px; }
  html[lang="ar"] .hero-meta .eyebrow { font-size: 11px; }
  html[lang="ar"] .hero-description { font-size: 15px; }
  html[lang="ar"] .hero-actions { gap: 17px; }
  html[lang="ar"] .hero-actions .button { font-size: 13px; }
  html[lang="ar"] .hero-note { font-size: 11px; }
  html[lang="ar"] .hero-baseline > .mono { font-size: 10px; }
  html[lang="ar"] .decision-question h2 { font-size: 22px; }
  html[lang="ar"] .chart-axis { font-size: 16px; }
  html[lang="ar"] .delivery-grid strong { font-size: 12px; }
  html[lang="ar"] .delivery-grid small { font-size: 10px; }
  html[lang="ar"] .section-intro h2 { font-size: 43px; }
  html[lang="ar"] .service-description { min-height: 0; }
  html[lang="ar"] .featured-case-copy > .mono { font-size: 10px; }
  html[lang="ar"] .product-flow > span { font-size: 11px; }
  html[lang="ar"] .product-table > div { font-size: 10px; }
  html[lang="ar"] .product-tag, html[lang="ar"] .risk-tag { font-size: 9px; }
  html[lang="ar"] .case-row-title { font-size: 29px; }
  html[lang="ar"] .case-sector { font-size: 9px; }
  html[lang="ar"] .loop-node { display: grid; grid-template-columns: 43px 60px minmax(0,1fr); gap: 10px; padding-inline: 14px; }
  html[lang="ar"] .loop-node strong { min-width: 0; font-size: 15px; }
  html[lang="ar"] .loop-node > span:last-child { font-size: 11px; margin-inline: 0; }
  html[dir="rtl"] .loop-node:not(:last-child)::after { content: '↓'; left: 50%; right: auto; }
  html[lang="ar"] .method-step h3 { font-size: 16px; }
  html[lang="ar"] .method-step > p { font-size: 13px; min-height: 0; }
  html[lang="ar"] .step-output { font-size: 11px; }
  html[lang="ar"] .footer-main > p, html[lang="ar"] .footer-main nav a { font-size: 12px; }
  html[lang="ar"] .footer-bottom { font-size: 10px; }
  html[lang="ar"] .dialog-content h2 { font-size: 35px; }
  html[lang="ar"] .dialog-content h3 { font-size: 26px; }
  html[lang="ar"] .dialog-content p, html[lang="ar"] .dialog-content .dialog-lead { font-size: 15px; }
  html[lang="ar"] .dialog-content blockquote { font-size: 26px; }
}
@media (max-width: 480px) {
  .nav-inner { gap: 10px; }
  .nav-cta { display: none; }
  .brand { gap: 9px; }
  .brand-name { font-size: 15px; }
  .language-switch button { padding-inline: 6px; }
  .hero-baseline { gap: 20px; }
  html[lang="ar"] .hero-baseline { align-items: flex-start; }
  html[lang="ar"] .hero-baseline > .mono { max-width: 215px; }
  html[lang="ar"] .hero-baseline .scroll-link { white-space: nowrap; }
  html[lang="ar"] .decision-controls { font-size: 10px; }
  html[lang="ar"] .insight-card h3 { font-size: 31px; }
  html[lang="ar"] .hero-note span { padding-inline: 4px; }
  html[lang="ar"] .hero-note { font-size: 10px; }
  html[lang="ar"] .service-accordion summary { font-size: 13px; }
  html[lang="ar"] .featured-case-visual { padding-inline: 16px; }
}
@media (max-width: 360px) {
  .nav-inner { gap: 6px; }
  .brand { gap: 6px; }
  .brand-mark { width: 29px; font-size: 28px; }
  .brand-name { font-size: 13px; }
  .mobile-toggle { width: 38px; padding: 7px; }
  .language-switch { padding-inline: 2px; gap: 0; }
  .language-switch button { padding-inline: 4px; min-width: 36px; }
  html[lang="ar"] .hero-meta .eyebrow { font-size: 10px; }
  html[lang="ar"] h1 { font-size: 48px; }
  html[lang="ar"] .scenario-tabs button { font-size: 11px; }
  html[lang="ar"] .decision-explorer { padding-inline: 16px; }
  html[lang="ar"] .decision-question h2 { font-size: 20px; }
  html[lang="ar"] .section-intro h2 { font-size: 38px; }
  html[lang="ar"] .loop-node { grid-template-columns: 38px 53px minmax(0,1fr); gap: 7px; padding-inline: 10px; }
  html[lang="ar"] .loop-node > span:last-child { font-size: 10px; }
  html[lang="ar"] .product-table > div { grid-template-columns: 1fr .9fr 1.1fr; gap: 4px; font-size: 9px; }
  html[lang="ar"] .product-table .risk-tag { font-size: 8px; padding-inline: 4px; }
  .dialog-toolbar > .mono { font-size: 8px; }
}
@media print { .language-switch { display: none; } }
html[lang="ar"] .form-field [dir="auto"]:placeholder-shown { direction: rtl; text-align: right; }
html:not([data-initial-language]) .language-switch { display: none; }