/* inglizi.com — Tajawal (Arabic); hub uses Plus Jakarta Sans for Latin UI (loads reliably when hosted) */
@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=Tajawal:wght@400;500;700;800&display=swap");

:root {
  --royal-blue: #0d2d6b;
  --royal-blue-deep: #061a40;
  --royal-blue-light: #1e4a9e;
  --panel-blue: #0a224f;
  --gold: #c9a227;
  --gold-light: #e5c76b;
  --gold-dark: #8a6b12;
  --gold-on-blue: #ffe08a;
  --white: #ffffff;
  --ink: #1a2233;
  --cream: #faf4e8;
  --cream-mid: #f3e8d4;
  --cream-deep: #e8dcc4;
  --accent-teal: #0f766e;
  --accent-coral: #e07a5f;
  --accent-plum: #6b4c7a;
  --accent-sky: #3b82c4;
  --footer-bg: #fffdf8;
  --line: rgba(13, 45, 107, 0.12);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 2px 8px rgba(13, 45, 107, 0.08);
  --shadow-md: 0 8px 24px rgba(13, 45, 107, 0.12), 0 2px 6px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 16px 48px rgba(13, 45, 107, 0.14), 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 12px 32px rgba(61, 48, 80, 0.12), 0 4px 12px rgba(194, 154, 38, 0.15);
  --font-ar: "Tajawal", system-ui, sans-serif;
  --font-en-ui: "Google Sans", "Google Sans Text", "Product Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-en-read: "Google Sans", "Google Sans Text", "Product Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

body.page--hub {
  --font-en-ui: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
  --font-en-read: "Plus Jakarta Sans", "Segoe UI", system-ui, sans-serif;
  --shadow-card: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 12px 28px -8px rgba(15, 23, 42, 0.12);
}

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

html {
  font-size: clamp(15px, 0.35vw + 14px, 18px);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body.page {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-ar);
  font-weight: 420;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  position: relative;
}

/* Soft creamy layers + color blobs */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% -10%, rgba(224, 122, 95, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 95% 10%, rgba(59, 130, 196, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(201, 162, 39, 0.15) 0%, transparent 45%),
    radial-gradient(ellipse 50% 35% at 0% 80%, rgba(15, 118, 110, 0.1) 0%, transparent 50%),
    linear-gradient(180deg, #fefcf9 0%, var(--cream) 35%, var(--cream-mid) 100%);
}

body.page--hub .page-bg {
  background:
    radial-gradient(ellipse 100% 80% at 50% -30%, rgba(15, 118, 110, 0.09) 0%, transparent 50%),
    radial-gradient(ellipse 80% 60% at 100% 20%, rgba(224, 122, 95, 0.1) 0%, transparent 45%),
    radial-gradient(ellipse 70% 50% at 0% 70%, rgba(59, 130, 196, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, #fafbfc 0%, #f8f6f1 45%, var(--cream-mid) 100%);
}

/* English UI vs reading body */
.read-en__label,
.top-banner__title-en,
.site-footer__brand-name {
  font-family: var(--font-en-ui);
}

/* ——— Shells ——— */
.lesson-wrap {
  width: 100%;
  max-width: min(1100px, 100% - clamp(1rem, 4vw, 2.5rem));
  margin-inline: auto;
  padding-block: clamp(0.65rem, 1.5vw, 1.25rem);
  padding-inline: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.45rem, 1.2vw, 0.75rem);
}

.hub-shell {
  position: relative;
  z-index: 1;
  max-width: min(1120px, 100% - clamp(1rem, 4vw, 2.5rem));
  margin-inline: auto;
  padding: clamp(0.75rem, 2vw, 1.5rem) 0 clamp(1.5rem, 3vw, 2.5rem);
}

#reading,
#unit-5-heading,
#sentence-path,
#grammar-maps,
#word-lab,
#adjectives,
#verbs,
#idioms,
#business-english,
#travel-survival,
#everyday-expressions {
  scroll-margin-top: clamp(3.75rem, 10vw, 5.25rem);
}

/* ——— Hub top bar (hosted site chrome) ——— */
.hub-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-bottom: clamp(1rem, 2.5vw, 1.35rem);
  padding: 0.55rem 0.85rem 0.55rem 1rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(13, 45, 107, 0.08);
  border-radius: 999px;
  box-shadow: 0 4px 20px rgba(13, 45, 107, 0.06);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.hub-topbar__brand {
  font-family: var(--font-en-ui);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -0.03em;
  color: var(--royal-blue);
  text-decoration: none;
  transition: color 0.15s ease;
}

.hub-topbar__brand:hover {
  color: var(--accent-teal);
}

.hub-topbar__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
}

.hub-topbar__tag {
  font-size: 0.78rem;
  font-weight: 700;
  color: #475569;
  padding: 0.25rem 0.65rem;
  background: rgba(15, 118, 110, 0.08);
  border-radius: 999px;
}

.hub-topbar__link {
  font-family: var(--font-en-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-plum);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hub-topbar__link:hover {
  color: var(--royal-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hub-site-nav-stack {
  margin: 0 0 clamp(0.85rem, 2vw, 1.25rem);
}

.hub-site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.35rem 0.45rem;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(13, 45, 107, 0.09);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(13, 45, 107, 0.07);
}

.hub-site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0.1rem 0 0.2rem;
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: 0.3rem 0.4rem;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(15, 118, 110, 0.35) transparent;
}

.hub-site-nav__list::-webkit-scrollbar {
  height: 5px;
}

.hub-site-nav__list::-webkit-scrollbar-thumb {
  background: rgba(15, 118, 110, 0.32);
  border-radius: 999px;
}

.hub-site-nav__list::-webkit-scrollbar-track {
  background: transparent;
}

.hub-site-nav__list a {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.62rem;
  border-radius: 999px;
  font-size: clamp(0.68rem, 2.7vw, 0.76rem);
  font-weight: 700;
  text-decoration: none;
  color: var(--royal-blue);
  background: rgba(250, 250, 252, 0.95);
  border: 1px solid rgba(15, 118, 110, 0.18);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.18s var(--ease-out), border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s var(--ease-out);
}

.hub-site-nav__list a:hover {
  background: var(--white);
  border-color: rgba(201, 162, 39, 0.55);
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.12);
  transform: translateY(-1px);
}

.hub-scroll-anchor {
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.hub-word-lab__intro {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  line-height: 1.65;
  color: #3d4a5c;
  max-width: 44em;
}

.hub-submenu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.55rem;
  margin: 0 0 1rem;
  padding: 0.65rem 0.75rem;
  background: rgba(255, 255, 255, 0.75);
  border: 2px dashed rgba(107, 76, 122, 0.35);
  border-radius: 12px;
}

.hub-submenu a {
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0.38rem 0.85rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--royal-blue);
  background: rgba(240, 253, 250, 0.9);
  border: 1px solid rgba(15, 118, 110, 0.3);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.hub-submenu a:hover {
  background: var(--white);
  border-color: var(--accent-teal);
}

/* Full viewport lesson: header + footer fixed area, middle scrolls only if needed */
.lesson-wrap--fit {
  min-height: 100dvh;
  max-height: 100dvh;
  padding-block: clamp(0.35rem, 1.2dvh, 0.65rem);
  gap: clamp(0.25rem, 0.8dvh, 0.45rem);
  overflow: hidden;
}

.lesson-fit-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: clamp(0.25rem, 0.8dvh, 0.45rem);
  padding-right: 2px;
}

.lesson-wrap--fit .lesson-bottom {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(0.25rem, 0.6dvh, 0.4rem);
}

/* Fit viewport: bilingual row fills space; slight tuning on large screens */
@media (min-width: 1024px) and (min-height: 700px) {
  .lesson-wrap--fit .lesson-bilingual {
    min-height: 0;
  }

  .lesson-wrap--fit .read-en__text {
    font-size: clamp(1.08rem, 1.2dvh + 0.72rem, 1.42rem);
    line-height: 1.6;
  }

  .lesson-wrap--fit .read-ar__text {
    font-size: clamp(0.95rem, 0.95dvh + 0.58rem, 1.22rem);
    line-height: 1.68;
  }

  .lesson-wrap--fit .site-footer {
    padding: 0.38rem 0.5rem;
  }
}

/* ========== HUB HERO ========== */
.hub-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(1rem, 3vw, 2rem);
  align-items: center;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  padding: clamp(1.35rem, 3.2vw, 2.25rem);
  background:
    radial-gradient(ellipse 90% 70% at 100% 0%, rgba(15, 118, 110, 0.11) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 0% 100%, rgba(224, 122, 95, 0.1) 0%, transparent 50%),
    linear-gradient(165deg, #ffffff 0%, #fefcf8 45%, #f8fafc 100%);
  border-radius: 24px;
  border: 1px solid rgba(13, 45, 107, 0.08);
  box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 24px 48px -12px rgba(15, 23, 42, 0.12);
  position: relative;
  overflow: hidden;
}

.hub-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(13, 45, 107, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(13, 45, 107, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000         0%, transparent 75%);
  pointer-events: none;
}

.hub-hero::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -15%;
  width: 55%;
  height: 120%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.hub-hero__visual {
  position: relative;
  z-index: 1;
  max-width: 320px;
  margin-inline: auto;
  filter: drop-shadow(0 12px 24px rgba(13, 45, 107, 0.15));
}

.hub-hero__visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.hub-hero__text {
  position: relative;
  z-index: 1;
  direction: rtl;
  text-align: right;
}

.hub-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: flex-end;
  margin-bottom: 0.65rem;
}

.hub-hero__chip {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  font-family: var(--font-en-ui);
  letter-spacing: 0.04em;
}

.hub-hero__chip--gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--royal-blue-deep);
  box-shadow: var(--shadow-sm);
}

.hub-hero__chip--teal {
  background: rgba(15, 118, 110, 0.15);
  color: var(--accent-teal);
  border: 2px solid rgba(15, 118, 110, 0.35);
}

.hub-hero__chip--plum {
  background: rgba(107, 76, 122, 0.12);
  color: var(--accent-plum);
  border: 2px solid rgba(107, 76, 122, 0.25);
}

.hub-hero__title-ar {
  margin: 0 0 0.35rem;
  font-size: clamp(1.5rem, 3.8vw, 2.35rem);
  font-weight: 800;
  color: var(--royal-blue);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hub-hero__title-en {
  margin: 0 0 0.85rem;
  font-size: clamp(1.12rem, 2.5vw, 1.55rem);
  font-weight: 600;
  font-family: var(--font-en-ui);
  color: #c2410c;
  letter-spacing: -0.025em;
  direction: ltr;
  text-align: right;
  opacity: 0.95;
}

.hub-hero__sub {
  margin: 0 0 1.1rem;
  font-size: clamp(0.92rem, 1.7vw, 1.04rem);
  color: #475569;
  line-height: 1.75;
  max-width: 42em;
  margin-inline: 0 0;
  margin-inline-start: auto;
}

.hub-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  justify-content: flex-end;
}

.hub-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s var(--ease-out), box-shadow 0.18s ease, background 0.18s ease;
}

.hub-cta--primary {
  background: linear-gradient(135deg, var(--accent-teal) 0%, #0d9488 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(15, 118, 110, 0.35);
}

.hub-cta--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(15, 118, 110, 0.4);
}

.hub-cta--ghost {
  background: rgba(255, 255, 255, 0.9);
  color: var(--royal-blue);
  border: 1px solid rgba(13, 45, 107, 0.14);
  font-family: var(--font-ar);
}

.hub-cta--ghost:hover {
  background: var(--white);
  border-color: rgba(201, 162, 39, 0.45);
  transform: translateY(-2px);
}

/* ========== LESSON CARDS (hub) ========== */
.hub-lessons {
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}

.hub-lessons__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  direction: rtl;
}

.hub-unit {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.hub-unit:last-child {
  margin-bottom: 0;
}

/* Quick sentence path (hub) — grammar maps sorted by ease */
.hub-path {
  margin: clamp(0.5rem, 1.5vw, 1rem) 0 clamp(1.75rem, 3vw, 2.5rem);
  padding: clamp(1rem, 2vw, 1.35rem);
  border-radius: 18px;
  border: 2px solid rgba(15, 118, 110, 0.28);
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.98) 0%, rgba(240, 253, 250, 0.35) 100%);
  box-shadow: var(--shadow-sm);
}

.hub-path__intro {
  margin: 0 0 1.1rem;
  font-size: clamp(0.92rem, 1.6vw, 1.02rem);
  line-height: 1.65;
  color: #3d4a5c;
  max-width: 48em;
}

.hub-path-guide {
  margin: 0 0 1.25rem;
  padding: 1rem 1.1rem 1.05rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 2px dashed rgba(107, 76, 122, 0.28);
}

.hub-path-guide__title {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--royal-blue);
}

.hub-path-guide__subtitle {
  margin: 0.85rem 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--accent-teal);
}

.hub-path-guide__p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: #3d4a5c;
}

.hub-path-guide__steps {
  margin: 0 0 1rem;
  padding-inline-start: 1.35rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #3d4a5c;
}

.hub-path-guide__steps li {
  margin-bottom: 0.45rem;
}

.hub-path-guide__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.hub-path-guide__card {
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  font-size: 0.82rem;
  line-height: 1.55;
  border: 2px solid var(--line);
  background: rgba(250, 244, 232, 0.55);
}

.hub-path-guide__card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.88rem;
  color: var(--royal-blue);
}

.hub-path-guide__card--1 {
  border-color: rgba(15, 118, 110, 0.35);
}

.hub-path-guide__card--2 {
  border-color: rgba(201, 162, 39, 0.4);
}

.hub-path-guide__card--3 {
  border-color: rgba(107, 76, 122, 0.35);
}

.hub-path-guide__card--1 p,
.hub-path-guide__card--2 p,
.hub-path-guide__card--3 p {
  margin: 0;
}

.hub-path-guide__note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #5c6570;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  background: rgba(15, 118, 110, 0.08);
}

.hub-grammar-guide {
  margin: 0 0 1rem;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  border: 2px solid rgba(201, 162, 39, 0.35);
  box-shadow: 0 4px 14px rgba(13, 45, 107, 0.05);
}

.hub-grammar-guide__lede {
  margin: 0 0 0.65rem;
  font-size: 0.92rem;
  line-height: 1.65;
  color: #3d4a5c;
}

.hub-grammar-guide__list {
  margin: 0 0 0.65rem;
  padding-inline-start: 1.25rem;
  font-size: 0.86rem;
  line-height: 1.6;
  color: #3d4a5c;
}

.hub-grammar-guide__list li {
  margin-bottom: 0.4rem;
}

.hub-grammar-guide__foot {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #5c6570;
  font-weight: 600;
}

.hub-site-nav__zoom-details {
  margin: 0.4rem 0 0;
  padding: 0;
  border: none;
  background: transparent;
  font-family: inherit;
}

.hub-site-nav__zoom-summary {
  list-style: none;
  cursor: pointer;
  width: fit-content;
  max-width: 100%;
  margin-inline: auto;
  padding: 0.22rem 0.55rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: #5a6478;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px dashed rgba(59, 130, 196, 0.35);
  line-height: 1.3;
}

.hub-site-nav__zoom-summary::-webkit-details-marker {
  display: none;
}

.hub-site-nav__zoom-summary::after {
  content: "";
  display: inline-block;
  margin-inline-start: 0.35rem;
  border: solid currentColor;
  border-width: 0 1.5px 1.5px 0;
  padding: 2.5px;
  transform: rotate(45deg);
  opacity: 0.65;
  vertical-align: 0.15em;
}

.hub-site-nav__zoom-details[open] .hub-site-nav__zoom-summary::after {
  transform: rotate(-135deg);
  vertical-align: 0.05em;
}

.hub-site-nav__zoom-body {
  margin: 0.45rem auto 0;
  max-width: 36rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.45;
  color: #4d5870;
  text-align: center;
  background: rgba(248, 250, 252, 0.92);
  border-radius: 10px;
  border: 1px solid rgba(13, 45, 107, 0.08);
}

.hub-site-nav__zoom-summary:focus-visible {
  outline: 2px solid rgba(15, 118, 110, 0.55);
  outline-offset: 2px;
}

html.has-root-content-zoom,
body.page.has-content-zoom {
  overflow-x: auto;
  overflow-y: auto;
}

.lesson-wrap.is-content-zoomed.lesson-wrap--fit {
  max-height: none;
  min-height: min(100dvh, 100%);
}

.lesson-wrap.is-content-zoomed {
  will-change: transform;
}

.hub-shell.is-content-zoomed {
  will-change: transform;
}

.hub-path-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: clamp(0.85rem, 2vw, 1.15rem);
}

.hub-path-tier {
  padding: 1rem 1.1rem 1.05rem;
  border-radius: 14px;
  background: var(--white);
  border: 2px solid var(--line);
  box-shadow: 0 4px 14px rgba(13, 45, 107, 0.06);
}

.hub-path-tier--1 {
  border-color: rgba(15, 118, 110, 0.45);
}

.hub-path-tier--2 {
  border-color: rgba(201, 162, 39, 0.55);
}

.hub-path-tier--3 {
  border-color: rgba(107, 76, 122, 0.45);
}

.hub-path-tier__title {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--royal-blue);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  direction: rtl;
}

.hub-path-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.65rem;
  height: 1.65rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--white);
  background: var(--accent-teal);
}

.hub-path-tier--2 .hub-path-badge {
  background: var(--gold-dark);
  color: var(--white);
}

.hub-path-tier--3 .hub-path-badge {
  background: var(--accent-plum);
}

.hub-path-tier__hint {
  margin: 0 0 0.75rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: #5c6570;
  line-height: 1.5;
  direction: rtl;
}

.hub-path-tier__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.hub-path-tier__list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.65rem;
  padding: 0.5rem 0.65rem;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  font-weight: 700;
  font-size: 0.9rem;
  background: rgba(250, 244, 232, 0.75);
  border: 1px solid rgba(201, 162, 39, 0.25);
  transition: background 0.15s ease, transform 0.15s ease;
}

.hub-path-tier__list a:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateX(-2px);
}

.hub-path-tier__list .hub-path-lesson-num {
  font-family: var(--font-en-ui);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent-teal);
  opacity: 0.9;
}

.hub-path-tier__list .hub-path-lesson-en {
  font-family: var(--font-en-ui);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-plum);
  direction: ltr;
}

.hub-lessons__head h2,
.hub-lessons__head h3 {
  margin: 0;
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 800;
  color: var(--royal-blue);
}

.hub-lessons__head--unit h2,
.hub-lessons__head--unit h3 {
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hub-lessons__head span {
  font-family: var(--font-en-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: #0f766e;
  background: rgba(240, 253, 250, 0.95);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.2);
}

.hub-unit-path-link {
  color: var(--accent-plum);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hub-unit-path-link:hover {
  color: var(--royal-blue);
}

.lesson-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: clamp(0.85rem, 2vw, 1.25rem);
}

.lesson-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
  padding: 1.15rem 1.25rem 1.35rem;
  border-radius: 18px;
  border: 1px solid rgba(13, 45, 107, 0.08);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-card);
  transition: transform 0.22s var(--ease-out), box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative;
  overflow: hidden;
}

.lesson-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-coral), var(--gold-light), var(--accent-teal));
  opacity: 0.92;
}

.lesson-card:hover {
  transform: translateY(-3px);
  border-color: rgba(201, 162, 39, 0.35);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1), 0 8px 24px rgba(15, 118, 110, 0.12);
}

.lesson-card__num {
  font-family: var(--font-en-ui);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(13, 45, 107, 0.12);
  margin-bottom: 0.35rem;
}

.lesson-card__title-ar {
  margin: 0 0 0.35rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--royal-blue);
  direction: rtl;
}

.lesson-card__title-en {
  margin: 0 0 0.65rem;
  font-family: var(--font-en-ui);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent-plum);
  direction: ltr;
}

.lesson-card__cta {
  margin-top: auto;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent-teal);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.lesson-card--2::before {
  background: linear-gradient(90deg, var(--accent-sky), var(--gold-light), var(--accent-plum));
}

.lesson-card--3::before {
  background: linear-gradient(90deg, var(--accent-teal), var(--gold-light), var(--accent-coral));
}

.lesson-card--4::before {
  background: linear-gradient(90deg, var(--accent-plum), var(--gold-light), var(--accent-sky));
}

.lesson-card--5::before {
  background: linear-gradient(90deg, #a67c1f, var(--gold-light), var(--accent-teal));
}

.lesson-card--6::before {
  background: linear-gradient(90deg, var(--accent-coral), #fff4e0, var(--accent-plum));
}

.lesson-card--7::before {
  background: linear-gradient(90deg, #b42318, var(--gold-light), var(--accent-teal));
}

.lesson-card--8::before {
  background: linear-gradient(90deg, #1e3a5f, var(--gold-light), #b45309);
}

.lesson-card--9::before {
  background: linear-gradient(90deg, #0f766e, var(--gold-light), #b42318);
}

.lesson-card--10::before {
  background: linear-gradient(90deg, #7c3aed, #fde68a, #0d9488);
}

.lesson-card--11::before {
  background: linear-gradient(90deg, #c2410c, var(--gold-light), #1d4ed8);
}

.lesson-card--12::before {
  background: linear-gradient(90deg, #0369a1, var(--gold-light), #059669);
}

.lesson-card--13::before {
  background: linear-gradient(90deg, #a16207, #fde68a, #4f46e5);
}

.lesson-card--14::before {
  background: linear-gradient(90deg, #be123c, var(--gold-light), #0e7490);
}

.lesson-card--15::before {
  background: linear-gradient(90deg, #15803d, #fde68a, #0ea5e9);
}

.lesson-card--16::before {
  background: linear-gradient(90deg, #7c3aed, #fcd34d, #db2777);
}

.lesson-card--17::before {
  background: linear-gradient(90deg, #b45309, #e9d5ff, #059669);
}

.lesson-card--18::before {
  background: linear-gradient(90deg, #1d4ed8, var(--gold-light), #a21caf);
}

.lesson-card--19::before {
  background: linear-gradient(90deg, #ea580c, #fef3c7, #16a34a);
}

.lesson-card--20::before {
  background: linear-gradient(90deg, #4338ca, #fde047, #db2777);
}

.lesson-card--21::before {
  background: linear-gradient(90deg, #0d9488, #fce7f3, #854d0e);
}

.lesson-card--22::before {
  background: linear-gradient(90deg, #b91c1c, #e0e7ff, #0f766e);
}

.lesson-card--23::before {
  background: linear-gradient(90deg, #0284c7, var(--gold-light), #7dd3fc);
}

.lesson-card--24::before {
  background: linear-gradient(90deg, #c026d3, #fef9c3, #2563eb);
}

.lesson-card--25::before {
  background: linear-gradient(90deg, #166534, var(--gold-light), #ca8a04);
}

.lesson-card--26::before {
  background: linear-gradient(90deg, #991b1b, #bfdbfe, #65a30d);
}

.lesson-card--27::before {
  background: linear-gradient(90deg, #0e7490, #fde68a, #4c1d95);
}

.lesson-card--28::before {
  background: linear-gradient(90deg, #57534e, #e0f2fe, #0ea5e9);
}

.lesson-card--29::before {
  background: linear-gradient(90deg, #0f766e, #fde68a, #c2410c);
}

.lesson-card--30::before {
  background: linear-gradient(90deg, #1d4ed8, #fce7f3, #b45309);
}

.lesson-card--31::before {
  background: linear-gradient(90deg, #6b21a8, #fef9c3, #ea580c);
}

.lesson-card--32::before {
  background: linear-gradient(90deg, #0369a1, #bae6fd, #7c3aed);
}

.lesson-card--33::before {
  background: linear-gradient(90deg, #c2410c, #ffedd5, #0ea5e9);
}

.lesson-card--34::before {
  background: linear-gradient(90deg, #4c1d95, #e9d5ff, #059669);
}

.lesson-card--35::before {
  background: linear-gradient(90deg, #047857, #d1fae5, #0f766e);
}

.lesson-card--37::before {
  background: linear-gradient(90deg, #5b21b6, #e9d5ff, #7c3aed);
}

.lesson-card--39::before {
  background: linear-gradient(90deg, #831843, #fce7f3, #4c1d95);
}

.lesson-card--40::before {
  background: linear-gradient(90deg, #0f766e, #ccfbf1, #134e4a);
}

.lesson-card--41::before {
  background: linear-gradient(90deg, #115e59, #99f6e4, #0d9488);
}

.lesson-card--42::before {
  background: linear-gradient(90deg, #155e75, #e0f2fe, #0f766e);
}

.lesson-card--43::before {
  background: linear-gradient(90deg, #166534, #dcfce7, #047857);
}

.lesson-card--44::before {
  background: linear-gradient(90deg, #1e3a5f, #dbeafe, #0f766e);
}

.lesson-card--45::before {
  background: linear-gradient(90deg, #9a3412, #ffedd5, #c2410c);
}

.lesson-card--46::before {
  background: linear-gradient(90deg, #3730a3, #e0e7ff, #4338ca);
}

.lesson-card--47::before {
  background: linear-gradient(90deg, #0e7490, #cffafe, #0f766e);
}

.lesson-card--48::before {
  background: linear-gradient(90deg, #854d0e, #fef9c3, #a16207);
}

.lesson-card--49::before {
  background: linear-gradient(90deg, #0369a1, #e0f2fe, #0ea5e9);
}

.lesson-card--50::before {
  background: linear-gradient(90deg, #0c4a6e, #bae6fd, #0284c7);
}

.lesson-card--51::before {
  background: linear-gradient(90deg, #075985, #7dd3fc, #0369a1);
}

.lesson-card--52::before {
  background: linear-gradient(90deg, #164e63, #cffafe, #0e7490);
}

.lesson-card--53::before {
  background: linear-gradient(90deg, #b45309, #fef3c7, #d97706);
}

.lesson-card--54::before {
  background: linear-gradient(90deg, #1e40af, #dbeafe, #2563eb);
}

.lesson-card--55::before {
  background: linear-gradient(90deg, #a16207, #fef9c3, #ca8a04);
}

.lesson-card--56::before {
  background: linear-gradient(90deg, #15803d, #dcfce7, #16a34a);
}

.lesson-card--57::before {
  background: linear-gradient(90deg, #991b1b, #fee2e2, #dc2626);
}

.lesson-card--58::before {
  background: linear-gradient(90deg, #6d28d9, #ede9fe, #7c3aed);
}

.lesson-card--59::before {
  background: linear-gradient(90deg, #0f766e, #ccfbf1, #0d9488);
}

/* ========== FULLSCREEN (lesson) ========== */
.btn-fullscreen {
  position: fixed;
  inset-inline-end: 10px;
  top: 10px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  font-family: var(--font-ar);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--royal-blue-deep);
  background: rgba(255, 255, 255, 0.92);
  border: 2px solid var(--gold);
  border-radius: 10px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.btn-fullscreen:hover {
  background: var(--white);
  transform: translateY(-1px);
}

.btn-fullscreen .btn-fullscreen__en {
  font-family: var(--font-en-ui);
  font-size: 0.68rem;
  opacity: 0.9;
}

.btn-fullscreen[hidden] {
  display: none;
}

/* Native fullscreen: only the reading area (like slides). Exit: Esc — macOS can show menu at top edge. */
html:fullscreen body.page--lesson .top-banner,
html:-webkit-full-screen body.page--lesson .top-banner,
html:fullscreen body.page--lesson .btn-fullscreen,
html:-webkit-full-screen body.page--lesson .btn-fullscreen {
  display: none !important;
}

/* ========== TOP BANNER (compact) ========== */
.top-banner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 2.2fr) minmax(0, 0.95fr);
  gap: 0.35rem 0.5rem;
  align-items: stretch;
  padding: 0.35rem 0.45rem;
  background: linear-gradient(165deg, #ffe9a8 0%, var(--gold) 42%, #b8921f 100%);
  border: 2px solid rgba(13, 45, 107, 0.28);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.top-banner__box {
  background: linear-gradient(180deg, var(--panel-blue) 0%, var(--royal-blue-deep) 100%);
  color: var(--white);
  border-radius: 8px;
  padding: 0.22rem 0.35rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(255, 224, 138, 0.4);
  min-height: 0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 2px 8px rgba(0, 0, 0, 0.15);
}

.top-banner__box small {
  display: block;
  font-size: 0.58rem;
  font-weight: 600;
  font-family: var(--font-en-ui);
  color: var(--gold-light);
  margin-bottom: 0.06rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.top-banner__box strong {
  font-size: clamp(0.72rem, 1.5vw, 0.88rem);
  font-weight: 800;
  line-height: 1.2;
}

.top-banner__center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-inline: 0.35rem;
}

.top-banner__title-en {
  margin: 0 0 0.06rem;
  font-size: clamp(0.82rem, 1.9vw, 1.12rem);
  font-weight: 800;
  font-family: var(--font-en-ui);
  color: var(--royal-blue-deep);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.top-banner__title-ar {
  margin: 0;
  font-size: clamp(0.75rem, 1.65vw, 0.98rem);
  font-weight: 700;
  color: var(--panel-blue);
  direction: rtl;
  line-height: 1.25;
}

.top-banner__badge-a0 {
  margin-top: 0.18rem;
  font-size: 0.58rem;
  font-weight: 700;
  font-family: var(--font-en-ui);
  color: var(--royal-blue-deep);
  background: rgba(255, 255, 255, 0.78);
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  border: 1px solid rgba(13, 45, 107, 0.12);
  box-shadow: var(--shadow-sm);
}

/* ========== BILINGUAL ROW (EN | AR side by side on wide screens) ========== */
.lesson-bilingual {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  flex: 1 1 auto;
  min-height: 0;
  direction: ltr;
  container-type: size;
  container-name: lesson-bilingual;
}

/* One screen: middle block fills viewport; panels clip — ui.js scales text to fit */
.lesson-wrap--fit .lesson-bilingual {
  flex: 1 1 auto;
  min-height: 0;
  max-height: 100%;
  overflow: hidden;
}

.lesson-wrap--fit .read-en,
.lesson-wrap--fit .read-ar {
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.lesson-wrap--fit .read-en__label,
.lesson-wrap--fit .read-ar__label {
  flex-shrink: 0;
}

.lesson-wrap--fit .read-en__text {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.lesson-wrap--fit .read-ar__text {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.lesson-wrap--fit .read-teacher-note {
  flex-shrink: 0;
}

@media (max-width: 899px) {
  .lesson-wrap--fit .read-en,
  .lesson-wrap--fit .read-ar {
    flex: 1 1 0;
    min-height: 0;
  }
}

@media (min-width: 900px) {
  .lesson-bilingual {
    display: block;
    min-height: 0;
  }

  .lesson-bilingual .read-en {
    min-height: 0;
    max-height: 100%;
    overflow: hidden;
  }
}

/* ========== ENGLISH READING ========== */
.read-en {
  background: linear-gradient(180deg, #fffefa 0%, var(--white) 100%);
  color: var(--ink);
  border: 2px solid var(--gold);
  border-radius: 8px;
  margin-top: 0;
  padding: 0.6rem 0.72rem 0.72rem;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.read-en__label {
  margin: 0 0 0.3rem;
  font-size: 0.65rem;
  font-weight: 800;
  font-family: var(--font-en-ui);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-teal);
}

.read-en__text {
  font-size: clamp(1.06rem, 0.96rem + 1.1vmin, 1.38rem);
  line-height: 1.58;
  letter-spacing: 0.015em;
  font-family: var(--font-en-read);
  font-weight: 420;
  font-optical-sizing: auto;
  max-width: none;
  margin-inline: 0;
}

.read-en__text p {
  margin: 0 0 0.4em;
}

.read-en__text p:last-child {
  margin-bottom: 0;
}

.read-en__text strong {
  color: var(--royal-blue);
  font-family: var(--font-en-read);
  font-weight: 600;
}

.read-en__text u {
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  text-decoration-color: var(--accent-coral);
}

/* ========== ARABIC TRANSLATION ========== */
.read-ar {
  background: linear-gradient(160deg, #122a5e 0%, var(--panel-blue) 45%, var(--royal-blue-deep) 100%);
  color: var(--white);
  border: 2px solid var(--gold);
  border-radius: 4px;
  padding: 0.35rem 0.45rem 0.4rem;
  box-shadow: none;
  direction: rtl;
  text-align: right;
  flex-shrink: 0;
}

.read-ar--bottom {
  width: 100%;
  margin-top: 0.18rem;
  max-height: clamp(82px, 12dvh, 112px);
  overflow: hidden;
}

.read-ar__label {
  margin: 0 0 0.12rem;
  font-size: 0.56rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--gold-light);
}

.read-ar__text {
  font-size: clamp(0.72rem, 0.66rem + 0.48vmin, 0.84rem);
  line-height: 1.34;
  font-weight: 500;
  margin: 0;
  max-height: calc(1.34em * 3.1);
  overflow: hidden;
}

.read-ar__text .ar-em {
  color: var(--gold-on-blue);
  font-weight: 800;
}

.read-ar__text p {
  margin: 0 0 0.14em;
}

.read-ar__text p:last-child {
  margin-bottom: 0;
}

.read-teacher-note {
  display: none;
}

/* Scale reading type with panel size (must follow base .read-* rules so it can override font-size) */
@container lesson-bilingual (min-height: 240px) {
  .read-en__text {
    font-size: clamp(1.05rem, 1.15cqh + 0.45cqi, 1.36rem);
    line-height: 1.56;
  }

  .read-ar__text {
    font-size: clamp(0.72rem, 0.45cqh + 0.16cqi, 0.82rem);
    line-height: 1.28;
  }

  .read-teacher-note {
    font-size: clamp(0.54rem, 0.34cqh + 0.12rem, 0.6rem);
  }
}

/* ========== LESSON ACTIONS ========== */
.lesson-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  direction: ltr;
  flex-shrink: 0;
}

.lesson-nav {
  margin: 0;
  padding: 0.28rem 0.55rem;
  font-size: 0.78rem;
  font-family: var(--font-en-ui);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 9px;
  border: 2px solid rgba(201, 162, 39, 0.45);
  box-shadow: var(--shadow-sm);
}

.lesson-nav a {
  color: var(--royal-blue);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(13, 45, 107, 0.18);
}

.lesson-nav a:hover {
  color: var(--accent-coral);
  border-bottom-color: var(--accent-coral);
}

/* ========== UNIFIED FOOTER (one horizontal card) ========== */
.site-footer {
  background: linear-gradient(180deg, var(--footer-bg) 0%, #fff7ea 100%);
  color: var(--ink);
  border: 2px solid var(--gold);
  border-radius: 12px;
  padding: 0.45rem 0.55rem;
  margin-top: 0;
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
}

.site-footer__unified {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem 0.85rem;
  direction: rtl;
}

.site-footer__unified-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.65rem;
  justify-content: center;
  text-align: center;
}

.site-footer__unified-block--brand {
  flex-direction: column;
  align-items: flex-start;
  text-align: right;
  min-width: min(100%, 11rem);
}

.site-footer__brand-name {
  font-family: var(--font-en-ui);
  margin: 0;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--royal-blue);
  line-height: 1.2;
}

.site-footer__brand-ar {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  color: #444;
  line-height: 1.3;
}

.site-footer__pipe {
  width: 1px;
  height: 1.75rem;
  background: rgba(201, 162, 39, 0.55);
  flex-shrink: 0;
}

.site-footer__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem 0.32rem;
  background: linear-gradient(180deg, var(--royal-blue-light) 0%, var(--panel-blue) 100%);
  color: var(--white);
  font-weight: 700;
  font-size: 0.68rem;
  font-family: var(--font-en-ui);
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid var(--gold);
  box-shadow: 0 3px 10px rgba(13, 45, 107, 0.22);
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s ease;
  white-space: nowrap;
  max-width: 100%;
}

.site-footer__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(13, 45, 107, 0.28);
}

.site-footer__cta svg {
  flex-shrink: 0;
  width: 0.9rem;
  height: 0.9rem;
}

.site-footer__social {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.3rem;
}

.site-footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.95rem;
  height: 1.95rem;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gold);
  color: var(--royal-blue-deep);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, background 0.15s ease;
}

.site-footer__social a:hover {
  background: var(--gold-light);
  transform: scale(1.06);
}

.site-footer__social a svg {
  width: 0.95rem;
  height: 0.95rem;
}

.site-footer__handle {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 800;
  font-family: var(--font-en-ui);
  direction: ltr;
  unicode-bidi: embed;
  color: var(--royal-blue);
}

.site-footer__teacher {
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.55;
  color: #333;
  text-align: right;
}

.site-footer__teacher strong {
  color: var(--royal-blue);
}

.site-footer__pdf {
  margin: 0.55rem 0 0;
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: center;
}

.site-footer__pdf-label {
  display: block;
  font-weight: 800;
  margin-bottom: 0.35rem;
  color: #333;
}

.site-footer__pdf-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.45rem;
  justify-content: center;
  margin: 0 0.25rem;
  vertical-align: middle;
}

.site-footer__pdf-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.75rem;
  padding: 0.15rem 0.45rem;
  font-weight: 800;
  font-family: var(--font-en-ui);
  color: var(--accent-teal);
  text-decoration: none;
  border: 2px solid rgba(15, 118, 110, 0.35);
  border-radius: 8px;
  background: rgba(240, 253, 250, 0.65);
}

.site-footer__pdf-link:hover {
  color: var(--royal-blue);
  border-color: var(--royal-blue);
}

.site-footer__pdf-meta {
  display: block;
  margin-top: 0.35rem;
  font-weight: 600;
  color: #5c6570;
  font-size: 0.68rem;
}

.site-footer .whatsapp {
  unicode-bidi: plaintext;
  direction: ltr;
  display: inline-block;
}

@media (max-width: 820px) {
  .site-footer__pipe {
    display: none;
  }

  .site-footer__unified {
    flex-direction: column;
    align-items: stretch;
  }

  .site-footer__unified-block--brand {
    align-items: center;
    text-align: center;
  }

  .site-footer__teacher {
    text-align: center;
  }

  .site-footer__pdf {
    text-align: center;
  }
}

/* Legacy hub panel (unused if new hub) */
.reading-panel--hub {
  display: none;
}

/**
 * Hub chart fallback: if css/hub.css 404s or is blocked, bars and panel still read as a chart.
 * index.html loads hub.css after this file; hub overrides with motion when present.
 */
body.page--hub .hub-chart-panel {
  margin: 0 0 clamp(1rem, 2.5vw, 1.75rem);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border-radius: 22px;
  border: 1px solid rgba(13, 45, 107, 0.1);
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.07);
}

body.page--hub .hub-chart {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

body.page--hub .hub-chart__row {
  display: grid;
  grid-template-columns: minmax(0, 7.5rem) 1fr auto;
  gap: 0.5rem 0.75rem;
  align-items: center;
  direction: rtl;
}

body.page--hub .hub-chart__track {
  height: 14px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
}

body.page--hub .hub-chart__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
}

body.page--hub .hub-chart__fill--teal {
  width: 82%;
  background: linear-gradient(90deg, #0d9488, #5eead4);
}
body.page--hub .hub-chart__fill--coral {
  width: 100%;
  background: linear-gradient(90deg, #e07a5f, #fdba74);
}
body.page--hub .hub-chart__fill--gold {
  width: 73%;
  background: linear-gradient(90deg, #b45309, #fbbf24);
}
body.page--hub .hub-chart__fill--plum {
  width: 73%;
  background: linear-gradient(90deg, #6b4c7a, #c084fc);
}
body.page--hub .hub-chart__fill--sky {
  width: 100%;
  background: linear-gradient(90deg, #0369a1, #38bdf8);
}

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .hub-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hub-hero__text {
    text-align: center;
  }

  .hub-hero__chips {
    justify-content: center;
  }

  .hub-hero__title-en {
    text-align: center;
  }

  .hub-hero__sub {
    margin-inline: auto;
    text-align: center;
  }

  .hub-hero__actions {
    justify-content: center;
  }
}

@media (max-width: 720px) {
  .top-banner {
    grid-template-columns: 1fr;
  }

  .top-banner__center {
    order: -1;
    padding-block: 0.2rem;
  }

  .lesson-wrap--fit {
    max-height: 100dvh;
    min-height: 100dvh;
    overflow: hidden;
  }

  .lesson-fit-body {
    overflow: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .lesson-card:hover,
  .site-footer__cta:hover,
  .site-footer__social a:hover {
    transform: none;
  }
}