:root {
  color-scheme: light;
  --paper: #fbf7f0;
  --ink: #211c1d;
  --muted: #655c58;
  --maroon: #8a1538;
  --deep: #68102a;
  --accent: #8a1538;
  --line: #d9cec2;
  --wash: #f0e8dd;
  --white: #fffdfa;
  --sage: #365f4d;
  --correct: #edf3ed;
  --sans: "DM Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 5px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
  border-radius: 3px;
}
img { display: block; max-width: 100%; height: auto; }
svg { display: block; flex: none; }
h1, h2, h3, p, figure { margin-top: 0; }
h1, h2 {
  font-family: var(--serif);
  font-weight: 500;
  text-wrap: balance;
}
h1 { font-size: clamp(2.65rem, 5.3vw, 4.6rem); line-height: 1.06; letter-spacing: -.045em; }
h2 { font-size: clamp(2.15rem, 3.6vw, 3.25rem); line-height: 1.12; letter-spacing: -.035em; }
h3 { font-size: 1.125rem; line-height: 1.4; font-weight: 600; }
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.muted, .meta { color: var(--muted); }
.meta { font-size: .875rem; }
.eyebrow { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .13em; }
[lang="ar"] { font-family: "Noto Sans Arabic", var(--sans); }
[lang="hi"] { font-family: "Noto Sans Devanagari", var(--sans); }
[lang="ml"] { font-family: "Noto Sans Malayalam", var(--sans); }

.skip {
  position: absolute;
  z-index: 30;
  inset-inline-start: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  padding: 12px 18px;
  background: var(--ink);
  color: white;
}
.skip:focus {
  inset-inline-start: 16px;
  top: 12px;
  width: auto;
  height: auto;
  overflow: visible;
}
.masthead {
  position: relative;
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.25;
}
.brand-mark { width: 36px; height: 36px; color: var(--maroon); }
.nav { display: flex; align-items: center; gap: 28px; font-size: .875rem; }
.nav a { text-decoration: none; min-height: 44px; display: flex; align-items: center; }
.nav a:hover { color: var(--accent); text-decoration: underline; }
.beta-label {
  color: var(--accent);
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: .75rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.beta-label::before {
  content: "";
  width: 7px;
  height: 7px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}
.mobile-menu { display: none; }
.mobile-menu summary {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 8px 12px; border: 1px solid var(--line);
  border-radius: 6px; color: var(--accent); font-weight: 600; cursor: pointer;
  list-style: none;
}
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu[open] summary { background: var(--white); }
.mobile-menu nav {
  position: absolute; z-index: 20; top: calc(100% + 8px); inset-inline: 0;
  background: var(--white); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 12px 28px #37232114; padding: 8px;
}
.mobile-menu nav a { display: block; min-height: 48px; padding: 10px 14px; text-decoration: none; }
.mobile-menu nav a:hover { background: var(--wash); border-radius: 6px; }

.hero { display: grid; gap: 40px; padding-block: 46px 42px; align-items: center; }
.hero .eyebrow { margin-bottom: 22px; color: var(--accent); }
.hero h1 { margin-bottom: 0; }
.hero h1 em { color: var(--accent); font-weight: 500; }
.hero-copy > p:not(.eyebrow) { margin-top: 22px; max-width: 40ch; font-size: 1.0625rem; color: var(--muted); }
.languages { margin-top: 27px; }
.languages > p { color: var(--muted); font-size: .875rem; margin-bottom: 0; }
.language-list {
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 19px;
}
.actions { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: flex-start; gap: 16px 22px; }
.primary-action { display: flex; flex-direction: column; gap: 8px; }
.button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 54px;
  padding: 14px 22px;
  border: 1px solid var(--maroon);
  border-radius: 6px;
  background: var(--maroon);
  color: var(--white);
  font: 600 1rem/1.35 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background .18s, transform .18s;
}
.button:hover, .btn:hover { background: var(--deep); transform: translateY(-1px); }
.button .arrow { font-size: 1.35rem; font-weight: 400; line-height: 1; }
.action-note { font-size: .8125rem; color: var(--muted); }
.secondary { padding-block: 15px; min-height: 54px; font-weight: 500; color: var(--accent); }
.product-stage {
  position: relative;
  background: var(--wash);
  border-radius: 140px 140px 16px 16px;
  padding: 30px 19px 20px;
  isolation: isolate;
}
.stage-label { text-align: center; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
.hero-shots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; align-items: start; }
.hero-shots figure { margin-inline: 0; margin-bottom: 0; }
.hero-shots figure:nth-child(2) { margin-top: 42px; }
.screen { background: var(--white); padding: 6px; border: 1px solid #cbbdb0; border-radius: 20px; box-shadow: 0 12px 26px #37232110; }
.screen img { width: 100%; border-radius: 14px; background: var(--white); }
.hero-shots figcaption { color: var(--muted); font-size: .8125rem; text-align: center; margin-top: 10px; }
.stage-foot { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: .8125rem; color: var(--muted); margin: 22px 0 0; }
.stage-foot svg { width: 15px; height: 15px; }

.trust { border-block: 1px solid var(--line); display: grid; padding-block: 24px; gap: 20px; }
.trust p { margin: 0; font-size: .9375rem; line-height: 1.55; color: var(--muted); }
.trust strong { display: block; color: var(--ink); font-weight: 600; margin-bottom: 3px; }
.facts { padding-block: 30px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 24px; }
.fact-number { font-family: var(--serif); color: var(--accent); font-size: 3rem; line-height: 1; font-variant-numeric: lining-nums tabular-nums; }
.facts p { color: var(--muted); font-size: .875rem; margin: 8px 0 0; max-width: 19ch; }
.section { padding-block: 56px; }
.section-heading { margin-bottom: 30px; }
.section-heading .eyebrow { color: var(--accent); margin-bottom: 13px; }
.section-heading > p:last-child { color: var(--muted); margin-top: 13px; max-width: 44ch; }
.path { border-top: 1px solid var(--line); }
.steps { display: grid; gap: 36px; }
.step { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 14px; align-content: start; }
.step-number { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid var(--accent); border-radius: 50%; font-size: .875rem; color: var(--accent); background: var(--paper); }
.step h3 { margin: 3px 0 9px; }
.step p { color: var(--muted); font-size: .9375rem; }
.step-visual {
  grid-column: 2;
  position: relative;
  margin-top: 20px;
  max-width: 220px;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: var(--wash);
  padding: 15px;
  border-radius: 10px;
}
.step-visual img { width: 100%; border-radius: 8px; border: 1px solid var(--line); background: var(--white); }
.step-visual::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 24%;
  border-radius: 0 0 10px 10px;
  background: linear-gradient(to bottom, transparent, var(--wash));
  pointer-events: none;
}
.readiness { grid-column: 2; display: flex; flex-wrap: wrap; gap: 5px 10px; margin-top: 12px; font-size: .75rem; color: var(--muted); }
.readiness span:last-child { color: var(--accent); font-weight: 700; }
.obstacles { background: var(--wash); }
.obstacles-inner { padding-block: 52px; }
.obstacles-grid { display: grid; gap: 30px; }
.obstacle { border-top: 1px solid #cbbdaf; padding-top: 22px; }
.obstacle-art { height: 64px; display: flex; align-items: center; gap: 14px; margin-bottom: 19px; }
.obstacle-art svg { width: 62px; height: 62px; }
.obstacle p { color: var(--muted); margin-top: 10px; font-size: 1rem; }
.correct-example { display: flex; gap: 9px; align-items: center; background: var(--correct); color: var(--sage); border: 1px solid #a5baa9; border-radius: 5px; padding: 9px 12px; font-size: .875rem; margin-top: 15px; }
.correct-example svg { width: 17px; height: 17px; }
.reference { display: inline-block; margin-top: 13px; font-size: .8125rem; color: var(--muted); }
.lesson-layout { display: grid; gap: 24px; padding: 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); }
.lesson-sign { display: flex; justify-content: center; align-items: flex-start; }
.lesson-sign img { background: white; border-radius: 12px; width: 160px; height: 160px; }
.lesson-steps { display: grid; gap: 24px; min-width: 0; }
.lesson-step + .lesson-step { border-top: 1px solid var(--line); padding-top: 24px; }
.lesson-step h3 { margin: 8px 0 16px; font-size: 1.25rem; }
.lesson-step summary { cursor: pointer; min-height: 48px; padding: 12px 0; color: var(--accent); font-weight: 700; }
.lesson-step summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
.lesson-answer { background: var(--correct); border-radius: 8px; padding: 16px; }
.lesson-answer p { margin-top: 12px; }
.lesson-note { color: var(--muted); margin-top: 16px; font-size: .875rem; }
@media (min-width: 768px) { .lesson-layout { grid-template-columns: 180px minmax(0, 1fr); padding: 32px; } }
.word-pair { font: 500 1.3rem/1.5 var(--serif); display: flex; gap: 16px; align-items: center; }
.word-pair [lang="ar"] { color: var(--accent); font-size: 1.125rem; }
.guides-layout { display: grid; gap: 28px; }
.guides-intro .eyebrow { color: var(--accent); margin-bottom: 12px; }
.guides-intro > p:last-child { color: var(--muted); margin-top: 13px; max-width: 26ch; }
.guide-list { border-top: 1px solid var(--line); }
.guide-link { display: grid; grid-template-columns: 24px minmax(0, 1fr) 20px; gap: 12px; padding: 18px 0; align-items: baseline; border-bottom: 1px solid var(--line); text-decoration: none; }
.guide-link:hover { color: var(--accent); }
.guide-link:hover .guide-title { text-decoration: underline; }
.guide-num { color: var(--muted); font-size: .75rem; }
.guide-link .arrow { color: var(--accent); text-align: right; }
.guide-title { font-size: 1rem; }
.closing { padding-block: 16px 64px; }
.closing-panel { background: var(--maroon); color: var(--paper); padding: 34px 24px; border-radius: 12px; position: relative; }
.closing-panel .eyebrow { color: #ebcbd4; margin-bottom: 20px; }
.closing-panel h2 { max-width: 22ch; }
.closing-copy { margin-top: 18px; max-width: 47ch; color: #f2dce3; }
.closing-panel .button { background: var(--paper); color: var(--maroon); border-color: var(--paper); }
.closing-panel .button:hover { background: white; }
.closing-panel .secondary, .closing-panel .action-note { color: #fbf7f0; }
.closing-panel a:focus-visible { outline-color: #fbf7f0; }
.offer { border-top: 1px solid #ba6a80; margin-top: 30px; padding-top: 22px; display: grid; gap: 18px; }
.offer-label { color: #edcbd5; font-size: .8125rem; }
.offer strong { display: block; font-size: 1.0625rem; font-weight: 500; }
.offer .price { font-family: var(--serif); font-size: 2rem; line-height: 1.3; }

body > article { width: min(800px, calc(100% - 40px)); margin: 0 auto; padding: 54px 0 72px; }
body > article h1 { margin-bottom: 24px; }
body > article h2 { margin-top: 46px; color: var(--accent); }
body > article h3 { margin-top: 30px; }
body > article p, body > article li { color: var(--muted); }
body > article strong { color: var(--ink); }
body > article table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; font-size: .9375rem; margin: 20px 0; }
body > article th, body > article td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
body > article th { background: var(--white); color: var(--ink); }
.crumbs { font-size: .875rem; color: var(--muted); margin-bottom: 20px; }
.crumbs a { color: var(--muted); }
.note { background: #f6e3e9; border-inline-start: 4px solid var(--maroon); padding: 12px 16px; border-radius: 8px; margin: 20px 0; }
.cta { background: var(--maroon); color: white; border-radius: 12px; padding: 30px; margin: 46px 0 0; }
.cta h2, .cta p { color: white; margin-top: 0; }
.cta .btn { background: var(--paper); color: var(--maroon); border-color: var(--paper); }
.article-facts, body > article .facts { padding-block: 14px; }
.fact { background: var(--white); border: 1px solid var(--line); border-radius: 10px; padding: 16px; text-align: center; }
.fact b { display: block; font-family: var(--serif); font-size: 2.2rem; color: var(--accent); }
.fact span { color: var(--muted); font-size: .875rem; }
.quiz { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 22px; margin: 28px 0; }
.quiz-progress { color: var(--muted); font-size: .875rem; margin-bottom: 12px; }
.quiz-q { color: var(--ink); font-size: 1.25rem; font-weight: 700; margin-bottom: 16px; }
.quiz-sign { width: 160px; height: 160px; object-fit: contain; background: white; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 16px; padding: 8px; }
.quiz-opt { display: block; width: 100%; text-align: start; margin-bottom: 10px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 8px; background: white; color: var(--ink); font: inherit; cursor: pointer; }
.quiz-opt:hover { border-color: var(--accent); }
.quiz-opt.is-correct { border-color: var(--sage); background: var(--correct); }
.quiz-opt.is-wrong { border-color: #b42318; background: #fdecea; }
.quiz-opt:disabled { cursor: default; }
.quiz-expl { margin: 12px 0 0; padding: 12px; background: #f6e3e9; border-radius: 8px; }
.quiz-actions { margin-top: 16px; }
.practice-page { padding-top: 28px; }
.practice-page h1 { font-size: clamp(2rem, 4.5vw, 3.4rem); margin-bottom: 14px; }
.practice-page .crumbs { margin-bottom: 14px; }
.practice-lead { margin-bottom: 18px; }
.practice-page .quiz { margin: 20px 0 34px; scroll-margin-top: 20px; }
.practice-page .quiz-q { font: 700 1.25rem/1.45 var(--sans); color: var(--ink); margin: 0 0 16px; }
.quiz-feedback { margin-top: 18px; padding: 16px; background: #f6e3e9; border-radius: 8px; scroll-margin-block: 20px; }
.quiz-feedback #verdict { margin: 0 0 8px; color: var(--ink); font-weight: 700; }
.quiz-feedback .quiz-expl { margin: 0; padding: 0; background: none; }
.quiz-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-outline { color: var(--accent); background: transparent; }
.btn-outline:hover { color: var(--white); }
.option-state { display: block; margin-top: 5px; font-size: .8125rem; font-weight: 700; }
.quiz-opt.is-correct .option-state { color: var(--sage); }
.quiz-opt.is-wrong .option-state { color: #b42318; }
.quiz-app-link { margin: 20px 0 0; font-size: .9375rem; }
.sign-grammar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 26px 0; }
.sign-example { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.sign-example img { width: 112px; height: 112px; object-fit: contain; margin: 0 auto 20px; }
.sign-example h3 { margin: 0 0 8px; color: var(--ink); }
.sign-example p { font-size: .9375rem; margin-bottom: 0; }
.sign-example .sign-shape { color: var(--accent); margin-bottom: 12px; font-size: .875rem; }
.editorial-note { font-size: .875rem; color: var(--muted); margin-bottom: 22px; }
.article-jumps { display: flex; flex-wrap: wrap; gap: 8px 20px; padding-block: 12px 20px; border-bottom: 1px solid var(--line); }
.article-jumps a { display: inline-flex; align-items: center; min-height: 44px; color: var(--accent); }
.sign-comparison { border: 1px solid var(--line); border-radius: 12px; padding: 24px; margin-block: 24px; background: var(--white); }
.sign-comparison h3 { margin: 0 0 20px; }
.comparison-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.comparison-pair figure { margin: 0; min-width: 0; }
.comparison-pair img { background: white; margin-bottom: 14px; object-fit: contain; }
.comparison-pair p { font-size: .9375rem; margin: 8px 0 0; }
.comparison-question { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
.comparison-question summary { padding-block: 12px; min-height: 48px; color: var(--accent); font-weight: 600; cursor: pointer; }
.sign-tools { display: grid; gap: 16px; padding: 20px; background: var(--wash); border-radius: 12px; margin-block: 20px; align-items: end; }
.sign-tools > div { min-width: 0; }
.sign-tools label { display: block; font-weight: 600; margin-bottom: 8px; }
.sign-tools input, .sign-tools select { width: 100%; min-height: 48px; border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; background: var(--white); color: var(--ink); font: inherit; }
.sign-tools :is(input, select):focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.sign-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 0; list-style: none; }
.sign-card { display: flex; gap: 16px; align-items: flex-start; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); min-width: 0; scroll-margin-top: 24px; }
.sign-card:target { outline: 3px solid var(--accent); outline-offset: 3px; }
.sign-card img { width: 80px; height: 80px; flex: none; object-fit: contain; background: white; border-radius: 6px; }
.sign-card h4 { font-size: 1rem; line-height: 1.45; margin: 0 0 8px; }
.sign-card h4 a { color: var(--ink); text-decoration: none; }
.sign-card h4 a:hover { text-decoration: underline; }
.sign-card p { font-size: .9375rem; line-height: 1.6; margin: 0; }
@media (min-width: 650px) { .sign-tools { grid-template-columns: 1.3fr 1fr; } .sign-tools button { grid-column: 1 / -1; justify-self: start; } }
@media (max-width: 600px) { .sign-grid { grid-template-columns: 1fr; } .sign-comparison { padding: 20px; } .comparison-pair { gap: 16px; } .sign-card { padding: 16px; } }
.beta-steps { padding-inline-start: 24px; }
.beta-steps li { padding-inline-start: 8px; }
.beta-steps h2 { font: 600 1.125rem/1.4 var(--sans); color: var(--ink); margin-top: 28px; }
.beta-request { background: var(--wash); border: 1px solid var(--line); border-radius: 12px; padding: 24px; margin-top: 34px; }
.beta-request h2 { margin-top: 0; font-size: 2rem; }
.beta-request .meta { margin: 18px 0 0; overflow-wrap: anywhere; }

footer { border-top: 1px solid var(--line); padding-block: 28px 38px; }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 22px; margin-bottom: 16px; }
footer p { font-size: .8125rem; color: var(--muted); max-width: 88ch; line-height: 1.75; }
.footer-links, .footer-guides { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: .875rem; }
.footer-links a, .footer-guides a { min-height: 44px; display: inline-flex; align-items: center; color: var(--muted); }
.footer-guides { padding-block: 12px 20px; border-top: 1px solid var(--line); }

@media (min-width: 650px) {
  .wrap { width: min(1120px, calc(100% - 64px)); }
  .trust { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
  .trust p + p { padding-inline-start: 26px; border-inline-start: 1px solid var(--line); }
  .facts { grid-template-columns: repeat(4, minmax(0, 1fr)); padding-block: 38px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 42px 30px; }
  .section { padding-block: 72px; }
  .obstacles-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
  .offer { grid-template-columns: 1.5fr 1fr; align-items: end; }
  .closing-panel { padding: 44px; }
}

@media (min-width: 1000px) {
  .hero { grid-template-columns: 1.13fr 1fr; gap: 64px; padding-block: 64px 58px; }
  .product-stage { padding: 34px 24px 24px; }
  .hero-shots { gap: 16px; }
  .hero-shots figure:nth-child(2) { margin-top: 60px; }
  .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
  .step { display: flex; flex-direction: column; position: relative; }
  .step-number { margin-bottom: 17px; }
  .step:not(:last-child)::after { content: ""; position: absolute; height: 1px; inset-inline-start: 47px; inset-inline-end: -11px; top: 17px; background: var(--line); }
  .step h3 { min-height: 50px; }
  .step > div p { min-height: 76px; }
  .step-visual { margin-top: 22px; max-width: none; width: 100%; }
  .readiness { font-size: .75rem; }
  .guides-layout { grid-template-columns: 1fr 1.55fr; gap: 72px; }
  .closing-panel { display: grid; grid-template-columns: 1.55fr 1fr; gap: 24px 56px; padding: 56px; }
  .closing-panel .offer { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; border-top: 0; border-inline-start: 1px solid #ba6a80; padding: 0; padding-inline-start: 38px; margin: 0; gap: 25px; }
}

/* Arabic follows the same hierarchy without mirroring signs or app captures. */
html[lang="ar"] { --sans: "Noto Sans Arabic", system-ui, sans-serif; --serif: var(--sans); }
html[lang="ar"] body { line-height: 1.9; }
html[lang="ar"] h1 { font-size: clamp(2.25rem, 4.5vw, 3.8rem); }
html[lang="ar"] h1, html[lang="ar"] h2 { line-height: 1.5; letter-spacing: 0; }
html[lang="ar"] h3, html[lang="ar"] .brand { line-height: 1.7; }
html[lang="ar"] .eyebrow { letter-spacing: 0; }
html[lang="ar"] .hero-copy > p { max-width: 38ch; }
html[lang="ar"] .guide-link .arrow { text-align: end; }
html[lang="ar"] .quiz-q { line-height: 1.8; }
html[lang="ar"] .practice-page h1 { font-size: clamp(2rem, 4vw, 3rem); }
html[lang="ar"] .brand { font-size: .9375rem; }
html[lang="ar"] :is(th, td) { text-align: start; }
html[lang="ar"] .sign-card :is(h4, p) { line-height: 1.9; }
html[lang="ar"] .nav { gap: 20px; }
html[lang="ar"] .fact-number { direction: ltr; text-align: right; }
html[lang="ar"] em { font-style: normal; }

@media (max-width: 760px) {
  .masthead { min-height: 73px; gap: 14px; }
  .nav { display: none; }
  .masthead > .beta-label { display: none; }
  .mobile-menu { display: block; flex: none; }
  .hero-copy .actions, .closing .actions { display: block; }
  .hero-copy .button, .closing .button { width: 100%; }
  .hero-copy .action-note, .closing .action-note { display: block; text-align: center; }
  .hero-copy .secondary, .closing .secondary { display: block; text-align: center; margin-top: 5px; }
  .product-stage { max-width: 420px; width: 100%; margin-inline: auto; }
  body > article { padding-top: 38px; }
  body > article.practice-page { padding-top: 24px; }
}

@media (max-width: 480px) {
  body > article .facts { grid-template-columns: 1fr; gap: 12px; }
  .practice-page .quiz { padding: 18px; }
  .quiz-feedback { padding: 14px; }
  .quiz-actions > .btn { width: 100%; }
  .sign-grammar { grid-template-columns: 1fr; }
  .sign-example { display: grid; grid-template-columns: 92px minmax(0, 1fr); column-gap: 18px; align-content: start; }
  .sign-example img { width: 92px; height: 92px; margin: 0; grid-row: 1 / 4; }
  body > article .practice-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }
  .practice-facts .fact { padding: 12px 6px; }
  .practice-facts .fact b { font-size: 1.8rem; }
  .practice-facts .fact span { font-size: .75rem; line-height: 1.45; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none; }
  .button:hover, .btn:hover { transform: none; }
}

@media print {
  .nav, .actions, .skip, .beta-label, .mobile-menu { display: none; }
  .hero, .steps { display: block; }
  .step { break-inside: avoid; margin-bottom: 24px; }
  .step-visual { max-width: 120px; }
  .closing-panel { color: var(--ink); background: transparent; border: 1px solid var(--line); }
  .closing-panel p, .closing-panel .eyebrow, .offer-label { color: var(--ink); }
  .sign-tools { display: none; }
  .sign-card { break-inside: avoid; }
}

/* Atlas: the accepted matte study layout, using the existing bundled fonts. */
@font-face{font-family:AtlasInter;src:url('/assets/fonts/Inter.29160a.ttf') format('truetype');font-weight:100 900;font-display:swap}
@font-face{font-family:AtlasArabic;src:url('/assets/fonts/NotoNaskhArabic.67b5a5.ttf') format('truetype');font-weight:400 700;font-display:swap}
@font-face{font-family:AtlasHindi;src:url('/assets/fonts/NotoSansDevanagari.9ce7b0.ttf') format('truetype');font-weight:400 700;font-display:swap}
@font-face{font-family:AtlasMalayalam;src:url('/assets/fonts/NotoSansMalayalam.312e0e.ttf') format('truetype');font-weight:400 700;font-display:swap}
/* Keep the original maroon/sand identity. Accent text is separate from action fills. */
:root{color-scheme:light;--paper:#fbf7f0;--white:#fffdfa;--ink:#211c1d;--muted:#655c58;--line:#d9cec2;--maroon:#8a1538;--deep:#68102a;--accent:#8a1538;--wash:#f0e8dd;--sage:#365f4d;--correct:#edf3ed;--atlas-red:#9a302a;--atlas-red-tint:#fcf0ec;--on-action:#fff;--sans:AtlasInter,system-ui,sans-serif;--serif:var(--sans)}
:root[data-theme=dark]{color-scheme:dark;--paper:#171918;--white:#202321;--ink:#f3f1eb;--muted:#bbbfb6;--line:#41473f;--maroon:#8a1538;--deep:#68102a;--accent:#f3f1eb;--wash:#292e28;--sage:#9dd8be;--correct:#21372b;--atlas-red:#ffb5ab;--atlas-red-tint:#452b29;--on-action:#fff}
html[lang=ar]{--sans:AtlasArabic,serif;--serif:var(--sans)}
[lang=ar]{font-family:AtlasArabic,serif}
[lang=hi]{font-family:AtlasHindi,sans-serif}
[lang=ml]{font-family:AtlasMalayalam,sans-serif}
body{font-size:16px;line-height:1.75;background:var(--paper);color:var(--ink)}
html[lang=ar] body{font-size:19px;line-height:1.85}
h1,h2{font-family:var(--sans);font-weight:600;text-wrap:pretty}
h1{font-size:clamp(2.2rem,4.2vw,3.8rem);line-height:1.13;letter-spacing:-.05em}
h2{font-size:clamp(1.6rem,2.8vw,2.25rem);line-height:1.25;letter-spacing:-.035em}
html[lang=ar] h1,html[lang=ar] h2{letter-spacing:0;line-height:1.5}
body>article{max-width:880px;padding-block:45px 65px;overflow-wrap:break-word}
body>article :is(p,li){max-width:78ch}
body>article .meta{font-size:.875rem}
body>article :is(th,td){font-size:.9375rem;vertical-align:top}
.wrap{width:min(1160px,calc(100% - 80px))}
.masthead{border-block:1px solid var(--line);gap:24px}
.brand{font-size:17px;letter-spacing:-.03em;font-weight:650}
.brand-mark{color:var(--maroon);width:34px;height:34px}
.brand-mark g{stroke:var(--on-action)}
.nav{font-size:13px;gap:25px}
.masthead>.beta-label{font-size:12px;color:var(--accent)}
.appearance-toggle{display:flex;align-items:center;justify-content:center;flex-shrink:0;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--paper);color:var(--ink);cursor:pointer}
.appearance-toggle img{width:19px;height:19px}
[data-theme=dark] .appearance-toggle img{filter:invert(1)}
.mobile-menu[open] summary{background:var(--white)}
.mobile-menu nav{background:var(--white);box-shadow:none;border-radius:10px}
.mobile-menu nav a:hover{background:var(--wash)}
.button,.btn{background:var(--maroon);color:var(--on-action);border:1px solid var(--maroon);border-radius:10px;font-family:var(--sans);font-size:16px;min-height:54px;transform:none;box-shadow:none}
.button:hover,.btn:hover{background:var(--deep);color:var(--on-action);transform:none}
.btn-outline{color:var(--accent);background:transparent;border-color:var(--accent)}
.btn-outline:hover{color:var(--on-action)}
.practice-page .quiz{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:none}
.practice-page .quiz-q{font-family:var(--sans);font-size:23px;font-weight:600;line-height:1.45}
.quiz-opt{background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:9px;font:400 16px/1.6 var(--sans);min-height:56px;box-shadow:none}
.quiz-opt:hover:not(:disabled){border-color:var(--accent);background:var(--paper)}
.quiz-opt.is-correct{background:var(--correct);border-color:var(--sage);color:var(--sage)}
.quiz-opt.is-wrong{background:var(--atlas-red-tint);border-color:var(--atlas-red);color:var(--atlas-red)}
.quiz-opt.is-correct .option-state{color:var(--sage)}
.quiz-opt.is-wrong .option-state{color:var(--atlas-red)}
.quiz-feedback{background:var(--wash);border:1px solid var(--line);border-radius:12px;padding:20px}
.quiz-expl{font-size:16px;line-height:1.8}
.note,.quiz-expl{background:var(--wash)}
.cta,.closing-panel{color:var(--on-action);background:var(--maroon)}
.cta :is(h2,p),.closing-panel :is(.eyebrow,.closing-copy,.offer-label){color:var(--on-action)}
.cta .btn,.closing-panel .button{background:#fbf7f0;color:var(--maroon);border-color:#fbf7f0}
.cta .btn:hover,.closing-panel .button:hover{color:var(--deep)}
.quiz :is(img#sign,.quiz-sign){background:#fff;border-radius:10px;padding:8px;transform:none;filter:none}
.sign-tools{background:var(--wash);border:1px solid var(--line);border-radius:14px}
.sign-tools :is(input,select){background:var(--white);color:var(--ink);font-family:var(--sans)}
.sign-card,.sign-example,.sign-comparison{background:var(--white);border:1px solid var(--line);box-shadow:none}
.sign-card p,.sign-example p,.comparison-pair p{font-size:16px}
.sign-card img,.sign-example img,.comparison-pair img{background:#fff;transform:none;filter:none}
.beta-request{background:var(--wash);box-shadow:none;border-radius:14px}
.site-footer{border-block-start:1px solid var(--line);padding-block:35px}
.site-footer .footer-links,.site-footer .footer-guides{gap:8px 24px}
.site-footer p{color:var(--muted);font-size:13px}
.site-footer :is(.footer-links,.footer-guides) a{font-size:14px;min-height:48px}
.site-footer .type-licenses{font-size:11px;margin-block:20px 0}
.skip:focus{background:var(--white);color:var(--ink)}
:is(a,button,summary,input,select):focus-visible{outline:3px solid var(--accent);outline-offset:5px}
.cta :is(a,button):focus-visible{outline-color:#fbf7f0}
html[lang=ar] .brand{font-size:21px;letter-spacing:0}
html[lang=ar] .nav{font-size:17px;gap:20px}
html[lang=ar] :is(.quiz-opt,.quiz-expl,.sign-card p,.sign-example p,.comparison-pair p){font-size:19px}
html[lang=ar] .practice-page .quiz-q{font-size:26px}
html[lang=ar] .site-footer p{font-size:16px}
.atlas-home p,.atlas-home h1,.atlas-home h2,.atlas-home h3{margin:0}
.atlas-home .eyebrow{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:11px;letter-spacing:.1em;font-weight:600;text-transform:none}
.atlas-hero{display:grid;grid-template-columns:1.08fr 1fr;gap:74px;align-items:center;padding-block:64px}
.atlas-dot{width:7px;height:7px;background:var(--sage);border-radius:50%;flex-shrink:0}
.atlas-home h1{font-size:clamp(40px,4.45vw,64px);line-height:1.08;letter-spacing:-3px;font-weight:600;margin-block:25px}
.atlas-home h1 span{display:block}
.atlas-soft{color:var(--accent)}
.atlas-description{color:var(--muted);font-size:17px;max-width:430px;line-height:1.75}
.atlas-home .button{justify-content:space-between;gap:32px;text-decoration:none}
.atlas-intro>.button{margin-block:27px 10px;min-width:215px}
.atlas-small{font-size:12px;color:var(--muted);line-height:1.7}
.atlas-arrow{font-size:23px;font-family:AtlasInter,sans-serif;line-height:1;flex-shrink:0;display:inline-block}
[dir=rtl] .atlas-arrow{transform:scaleX(-1)}
.atlas-learning-route{margin-block-start:46px;display:flex;align-items:flex-start;gap:13px;color:var(--muted)}
.atlas-learning-route>span{display:flex;flex-direction:column;gap:10px;font-size:11px;line-height:1.4}
.atlas-learning-route b{font:600 12px AtlasInter,sans-serif;color:var(--accent)}
.atlas-learning-route i{height:1px;width:32px;margin-block-start:7px;background:var(--line)}
.atlas-lesson{position:relative;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:23px 26px;scroll-margin-top:24px}
.atlas-lesson::before{content:'';position:absolute;inset-inline-start:-1px;inset-block-start:28px;width:3px;height:35px;background:var(--maroon);border-radius:2px}
.atlas-lesson-top{display:flex;align-items:center;justify-content:space-between;gap:15px}
.atlas-counter{font:12px AtlasInter,sans-serif;color:var(--muted);font-variant-numeric:tabular-nums;direction:ltr}
.atlas-sign-stage{position:relative;display:flex;align-items:center;justify-content:center;min-height:165px;padding:20px 0 32px;margin-block:12px;isolation:isolate}
.atlas-stage-grid{position:absolute;inset:12px 15px;z-index:-1;background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:13px 13px;mask-image:radial-gradient(ellipse at center,black 5%,transparent 72%)}
.atlas-sign-stage img{width:112px;height:112px;padding:8px;background:#fff;border-radius:10px;object-fit:contain;direction:ltr;transform:none;filter:none}
.atlas-sign-stage p{position:absolute;inset-block-end:0;font-size:11px;color:var(--muted)}
.atlas-home .atlas-lesson h2{font-size:23px;line-height:1.35;letter-spacing:-.6px;font-weight:600;margin-block:15px 20px}
#atlas-options{display:grid;gap:8px}
.atlas-option{display:flex;align-items:center;gap:15px;width:100%;padding:12px 14px;min-height:54px;text-align:start;background:var(--white);color:var(--ink);border:1px solid var(--line);border-radius:9px;font:400 16px/1.5 var(--sans);cursor:pointer}
.atlas-option:hover:not(:disabled){border-color:var(--accent);background:var(--paper)}
.atlas-option:disabled{cursor:default}
.atlas-option-letter{color:var(--muted);font:11px AtlasInter,sans-serif;flex-shrink:0}
.atlas-option>span:nth-child(2){flex:1}
.atlas-option.is-correct{color:var(--sage);border-color:var(--sage);background:var(--correct)}
.atlas-option.is-wrong{color:var(--atlas-red);border-color:var(--atlas-red);background:var(--atlas-red-tint)}
.atlas-answer-state{font-family:AtlasInter,sans-serif;font-size:17px;font-weight:600}
#atlas-feedback{margin-block-start:16px;padding:18px;border-radius:12px;background:var(--correct);scroll-margin-block:24px}
#atlas-feedback.is-wrong{background:var(--atlas-red-tint)}
#atlas-feedback h3{font-size:17px;color:var(--sage);margin-block-end:10px}
#atlas-feedback.is-wrong h3{color:var(--atlas-red)}
#atlas-explanation{font-size:16px;line-height:1.75}
#atlas-source{display:block;margin-block:12px;color:var(--muted);font-size:12px;text-decoration:underline;text-underline-offset:3px}
#atlas-next{width:100%;margin-block-start:10px}
.atlas-home .atlas-lesson-note{font-size:10px;color:var(--muted);border-block-start:1px solid var(--line);padding-block-start:14px;margin-block-start:19px}
.atlas-nojs{font-size:14px;color:var(--muted);padding-block-start:14px}
#atlas-summary{padding-block:35px}
.atlas-summary-mark{font-size:30px;color:var(--sage)}
.atlas-home #atlas-summary p{font-size:15px;color:var(--muted);margin-block:16px}
#atlas-score{font-weight:600;color:var(--ink)!important}
.atlas-facts{display:grid;grid-template-columns:repeat(3,1fr) 1.2fr;border-block:1px solid var(--line);padding-block:25px}
.atlas-facts>div{display:flex;align-items:center;justify-content:center;gap:14px;padding-inline:18px}
.atlas-facts>div+div{border-inline-start:1px solid var(--line)}
.atlas-facts strong{font-size:28px;letter-spacing:-1px;font-weight:600;font-family:AtlasInter,sans-serif}
.atlas-facts span{font-size:12px;color:var(--muted);max-width:120px}
.atlas-facts .atlas-offline{font-size:31px;color:var(--sage);font-family:AtlasInter,sans-serif}
.atlas-approach{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding-block:70px}
.atlas-home .atlas-approach h2,.atlas-home .atlas-guides h2{font-size:35px;line-height:1.2;letter-spacing:-1.3px;font-weight:600;max-width:420px;margin-block:18px}
.atlas-approach>div>p:first-child:not(.eyebrow){font-size:18px;line-height:1.8;color:var(--muted)}
.atlas-text-link{display:inline-flex;align-items:center;gap:24px;min-height:48px;font-size:14px;color:var(--accent);font-weight:600;margin-block:24px 12px;text-decoration:none}
.atlas-text-link:hover{text-decoration:underline;text-underline-offset:5px}
.atlas-languages{display:flex;flex-wrap:wrap;gap:10px 18px;padding:0;list-style:none;font-size:12px;color:var(--muted);margin-block:20px 0}
.atlas-guides{display:grid;grid-template-columns:1fr 1.2fr;gap:70px;border-block-start:1px solid var(--line);padding-block:55px 70px}
.atlas-guide-list{border-block-start:1px solid var(--line)}
.atlas-guide-list a{display:flex;align-items:center;gap:22px;padding-block:20px;min-height:82px;border-block-end:1px solid var(--line);font-size:16px;line-height:1.6;text-decoration:none}
.atlas-guide-list a:hover{color:var(--accent)}
.atlas-guide-list .atlas-arrow{margin-inline-start:auto}
.atlas-guide-index{font:11px AtlasInter,sans-serif;color:var(--muted);flex-shrink:0}
.atlas-offer{display:grid;grid-template-columns:1fr 1fr;gap:90px;border-block-start:1px solid var(--line);padding-block:45px 65px}
.atlas-offer p{color:var(--muted);font-size:16px;margin-block:16px!important}
.atlas-offer h2{font-size:30px}.atlas-offer h3{font-size:20px}
.atlas-offer .button{margin-block-start:10px}
html[lang=ar] .atlas-home h1{font-size:clamp(42px,4.4vw,60px);line-height:1.45;letter-spacing:0}
html[lang=ar] .atlas-home .eyebrow,html[lang=ar] .atlas-small{letter-spacing:0;font-size:15px}
html[lang=ar] .atlas-description{font-size:21px}
html[lang=ar] .atlas-home .button{font-size:19px}
html[lang=ar] .atlas-option{font-size:18px}
html[lang=ar] .atlas-home .atlas-lesson h2{font-size:27px;letter-spacing:0}
html[lang=ar] .atlas-learning-route>span{font-size:15px}
html[lang=ar] .atlas-sign-stage p,html[lang=ar] .atlas-home .atlas-lesson-note{font-size:14px}
html[lang=ar] #atlas-explanation{font-size:19px}
html[lang=ar] #atlas-source{font-size:15px}
html[lang=ar] .atlas-facts span{font-size:16px}
html[lang=ar] .atlas-home .atlas-approach h2,html[lang=ar] .atlas-home .atlas-guides h2{letter-spacing:0;line-height:1.5}
html[lang=ar] .atlas-text-link{font-size:18px}
html[lang=ar] .atlas-guide-list a{font-size:20px}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.masthead{gap:16px}.nav{gap:18px}.masthead>.beta-label{display:none}.atlas-hero{gap:38px}.atlas-home h1{letter-spacing:-2px}.atlas-lesson{padding:22px}.atlas-facts>div{gap:10px;padding-inline:10px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.brand{font-size:14px;max-width:calc(100% - 139px)}.masthead{gap:10px;min-height:76px}.brand-mark{width:31px;height:31px;flex:none}.appearance-toggle{margin-inline-start:auto}.nav{display:none}.mobile-menu{display:block}.mobile-menu summary{font-size:14px;min-height:48px}.mobile-menu nav a{font-size:16px}.practice-page .quiz{padding:20px}.practice-page .quiz-q{font-size:22px}.quiz-feedback{padding:16px}body>article{padding-block:35px 45px}.sign-card{gap:14px}.sign-card img{width:74px;height:74px}.atlas-hero{grid-template-columns:1fr;gap:38px;padding-block:38px}.atlas-intro{max-width:540px}.atlas-home h1{font-size:47px;letter-spacing:-2px;margin-block:22px}.atlas-description{font-size:16px}.atlas-learning-route{margin-block-start:32px;gap:12px}.atlas-learning-route i{width:34px}.atlas-lesson{padding:22px}.atlas-sign-stage{min-height:160px}.atlas-facts{grid-template-columns:1fr 1fr;padding-block:0}.atlas-facts>div{padding:20px 12px;justify-content:flex-start}.atlas-facts>div:nth-child(3){border-inline-start:0}.atlas-facts>div:nth-child(n+3){border-block-start:1px solid var(--line)}.atlas-facts strong{font-size:27px}.atlas-facts span{font-size:12px}.atlas-approach{grid-template-columns:1fr;gap:24px;padding-block:46px}.atlas-home .atlas-approach h2,.atlas-home .atlas-guides h2{font-size:32px}.atlas-approach>div>p:first-child:not(.eyebrow){font-size:17px}.atlas-home .atlas-lesson h2{font-size:22px}.atlas-option{min-height:56px}.atlas-guides{grid-template-columns:1fr;gap:25px;padding-block:42px}.atlas-offer{grid-template-columns:1fr;gap:35px;padding-block:35px 45px}html[lang=ar] .brand{font-size:18px}html[lang=ar] .mobile-menu summary{font-size:18px}html[lang=ar] .atlas-home h1{font-size:46px}html[lang=ar] .atlas-description{font-size:20px}}
@media(max-width:370px){.wrap{width:calc(100% - 36px)}.brand{font-size:13px}.brand-mark{width:28px;height:28px}.practice-page .quiz{padding:16px}.sign-card img{width:62px;height:62px}.sign-card{padding:14px;gap:12px}.atlas-home h1{font-size:41px}.atlas-hero{padding-block-start:30px}.atlas-lesson{padding:18px}.atlas-learning-route{gap:9px}.atlas-learning-route i{width:22px}html[lang=ar] .brand{font-size:17px}html[lang=ar] .atlas-home h1{font-size:40px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}.button:hover,.btn:hover{transform:none}}
@media(forced-colors:active){.atlas-option,.atlas-lesson,.quiz,.quiz-opt,.sign-card,.sign-comparison,.button,.btn,.appearance-toggle{border:1px solid CanvasText}.atlas-stage-grid{display:none}}
@media print{.appearance-toggle,.mobile-menu{display:none}.atlas-hero,.atlas-approach,.atlas-guides,.atlas-offer{display:block}}