:root {
  --black: #0c0c0c;
  --white: #ffffff;
  --off-white: #f7f6f2;
  --red: #d91b23;
  --red-dark: #a81017;
  --gray-100: #eceae4;
  --gray-300: #c8c5bc;
  --gray-600: #57554f;
  --border-heavy: 3px solid var(--black);
  --border-thin: 1.5px solid var(--black);
  --shadow-offset: 5px 5px 0px var(--black);
  --shadow-red: 5px 5px 0px var(--red);
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --target-size: 24px;
}

@media (pointer: coarse) {
  :root {
    --target-size: 44px;
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--off-white);
  color: var(--black);
  font-family: var(--font-sans);
  line-height: 1.5;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}

img,
video {
  max-inline-size: 100%;
  block-size: auto;
}

canvas,
svg {
  max-inline-size: 100%;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

p,
li {
  text-wrap: pretty;
}

/* Shared Responsive Navbar (modern-web-guidance navbar pattern) */
.site-header {
  background: var(--black);
  color: var(--white);
  border-bottom: 2px solid #2a2a2a;
}

.header-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0.85rem max(1rem, env(safe-area-inset-right)) 0.55rem max(1rem, env(safe-area-inset-left));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
}

.header-inner > * {
  min-inline-size: 0;
}

.site-logo {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.2rem 0.45rem;
  flex: 1 1 auto;
  min-inline-size: 0;
  text-decoration: none;
  color: var(--white);
  font-family: var(--font-serif);
  font-weight: 900;
}

.logo-tounsi {
  color: var(--red);
  font-size: clamp(1.15rem, 4.5vw, 1.35rem);
  letter-spacing: 0.06em;
}

.logo-sub {
  font-size: clamp(0.72rem, 2.8vw, 0.82rem);
  letter-spacing: 0.08em;
}

.header-byline {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 max(1rem, env(safe-area-inset-right)) 0.65rem max(1rem, env(safe-area-inset-left));
  font-size: clamp(0.66rem, 2.2vw, 0.72rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-300);
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.6rem;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-header:not(.is-wide) .header-cta-wrap {
  display: none;
}

.menu-button {
  anchor-name: --menu-button;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-inline-size: var(--target-size);
  min-block-size: var(--target-size);
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  border: 2px solid var(--white);
  background: transparent;
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.site-menu {
  position: fixed;
  inset: auto;
  inset-block-start: 4.75rem;
  inset-block-start: anchor(--menu-button bottom);
  inset-inline-end: max(0.75rem, env(safe-area-inset-right));
  inline-size: min(85dvw, 20rem);
  max-inline-size: calc(100dvw - 1.5rem);
  block-size: fit-content;
  max-block-size: calc(100dvh - 6rem);
  margin-block-start: 0.5rem;
  overflow: auto;
  list-style: none;
  background: var(--black);
  border: 3px solid var(--white);
  box-shadow: 5px 5px 0 var(--red);
  padding: 0.5rem;
}

.site-menu:is(:popover-open, .\:popover-open) {
  display: grid;
  gap: 0.25rem;
}

.site-menu a {
  display: flex;
  align-items: center;
  min-block-size: var(--target-size);
  padding: 0.55rem 0.75rem;
  color: var(--white);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 3px solid transparent;
}

.site-menu a:hover {
  background: #222222;
}

.site-menu .nav-book-link {
  background: var(--red);
  color: var(--white);
  justify-content: center;
  margin-top: 0.25rem;
  border: 2px solid var(--white);
}

.site-menu .nav-book-link:hover {
  background: var(--red-dark);
}

.site-menu a[aria-current="page"] {
  background: var(--white);
  color: var(--black);
  border-bottom-color: var(--red);
  font-weight: 900;
}

.site-header.is-wide .header-inner {
  flex-wrap: nowrap;
}

.site-header.is-wide .header-inner > * {
  flex-shrink: 0;
  white-space: nowrap;
}

.site-header.is-wide .site-logo {
  flex: 0 0 auto;
}

.site-header.is-wide .mobile-only-nav {
  display: none;
}

.site-header.is-wide .menu-button {
  display: none;
}

.site-header.is-wide .site-menu {
  position: static;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  inline-size: auto;
  max-inline-size: none;
  block-size: auto;
  max-block-size: none;
  overflow: visible;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.site-header.is-wide .site-menu::backdrop {
  display: none;
}

.site-header.is-wide .site-menu a {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.5rem;
  font-size: 0.78rem;
}

.site-header.is-measuring * {
  transition: none !important;
}

@media (forced-colors: active) {
  .site-menu a[aria-current="page"] {
    outline: 2px solid Highlight;
    text-decoration: underline;
  }
}

/* Cover-inspired Hero Banner */
.hero-header {
  border-bottom: 4px solid var(--black);
  text-align: center;
  position: relative;
}

.hero-black-band {
  background: var(--black);
  padding: clamp(1.35rem, 4vw, 2rem) max(1rem, env(safe-area-inset-right)) clamp(1.1rem, 3vw, 1.5rem) max(1rem, env(safe-area-inset-left));
}

.hero-white-band {
  background: var(--white);
  padding: clamp(1.1rem, 3.2vw, 1.6rem) max(1rem, env(safe-area-inset-right)) 2rem max(1rem, env(safe-area-inset-left));
}

.hero-title-main {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 0.03em;
  line-height: 1.1;
  color: var(--white);
  text-wrap: balance;
}

.hero-derja-accent {
  color: #ff474d;
  white-space: nowrap;
}

.hero-white-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.8vw, 1.45rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--black);
  line-height: 1.25;
  text-wrap: balance;
}

.hero-lexicon-pill {
  display: inline-block;
  margin-top: 0.65rem;
  padding: 0.25rem 0.75rem;
  background: var(--off-white);
  border: 2px solid var(--black);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.top-nav {
  max-width: 1100px;
  margin: 0 auto 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand-pill {
  color: var(--white);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.btn {
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.55rem 1rem;
  min-inline-size: var(--target-size);
  min-block-size: var(--target-size);
  border: 2px solid var(--black);
  background: var(--white);
  color: var(--black);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.4rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0px var(--red);
}

.btn-red {
  background: var(--red);
  color: var(--white);
  border-color: var(--black);
}

.btn-outline-light {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--black);
}

.cover-lockup {
  max-width: 780px;
  margin: 0 auto;
}

.title-tounsi {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--red);
  text-shadow:
    -2px -2px 0 var(--white),
     2px -2px 0 var(--white),
    -2px  2px 0 var(--white),
     2px  2px 0 var(--white);
  line-height: 1;
}

.title-in {
  font-family: var(--font-serif);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0.15rem 0;
}

.title-bw {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 0.95;
}

.title-bw-top {
  margin-bottom: 0;
}

.title-bw-bottom {
  margin-bottom: 0.65rem;
}

.title-black {
  color: var(--white);
  display: block;
}

.title-white {
  color: var(--black);
  display: block;
}

.subtitle-tagline {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  margin-top: 0.5rem;
  font-weight: 700;
}

/* Search Bar Section */
.search-container {
  max-width: 760px;
  margin: 1.5rem auto 0;
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-offset);
  padding: 1rem;
  container: search / inline-size;
}

.search-input-row {
  display: flex;
  gap: 0.5rem;
}

.search-input {
  flex: 1 1 0%;
  min-inline-size: 0;
  width: 100%;
  min-block-size: var(--target-size);
  font-size: max(1rem, 16px);
  padding: 0.75rem 1rem;
  border: 2px solid var(--black);
  font-family: var(--font-sans);
  outline: none;
}

.search-input:focus {
  border-color: var(--red);
}

@container search (width < 460px) {
  .search-input-row {
    flex-direction: column;
  }

  .search-input-row .btn {
    width: 100%;
  }
}

.search-hints {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
  font-size: 0.8rem;
  color: var(--gray-600);
}

.quick-chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip {
  background: var(--gray-100);
  border: 1px solid var(--black);
  min-inline-size: var(--target-size);
  min-block-size: var(--target-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

.chip:hover {
  background: var(--red);
  color: var(--white);
}

/* Main Layout */
.main-wrap {
  max-width: 1120px;
  margin: 2rem auto;
  padding: 0 max(1rem, env(safe-area-inset-right)) 0 max(1rem, env(safe-area-inset-left));
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 2rem;
}

.main-wrap > * {
  min-inline-size: 0;
}

@media (max-width: 900px) {
  .main-wrap {
    grid-template-columns: minmax(0, 1fr);
    margin: 1.5rem auto;
  }
}

/* Double-framed Book Section Header */
.book-frame-header {
  background: var(--white);
  border: 3px solid var(--black);
  outline: 1.5px solid var(--black);
  outline-offset: -7px;
  padding: 1.1rem 1.5rem;
  text-align: center;
  margin-bottom: 1.25rem;
}

.book-frame-header h2 {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.book-frame-header p {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-top: 0.15rem;
}

/* Word Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.word-card {
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-offset);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-inline-size: 0;
  padding: 1rem;
  user-select: none;
  -webkit-user-select: none;
}

.canvas-stage {
  width: 100%;
  aspect-ratio: 1 / 1.08;
  border: 1.5px solid var(--black);
  background: var(--white);
  display: block;
}

.phonetic-strip {
  margin-top: 0.65rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.phonetic-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--gray-600);
}

.phonetic-badge {
  background: var(--black);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  min-inline-size: var(--target-size);
  min-block-size: var(--target-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--black);
  cursor: pointer;
}

.phonetic-badge:hover {
  background: var(--red);
}

.card-book-promo {
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--gray-300);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.76rem;
}

.card-book-promo span {
  font-weight: 600;
  color: var(--gray-600);
}

.card-book-promo a {
  color: var(--red);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

/* Daily Quiz Box */
.quiz-box {
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-offset);
  padding: 1.5rem;
  margin-bottom: 2rem;
  container: quiz / inline-size;
}

.quiz-top-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--black);
  padding-bottom: 0.6rem;
}

.quiz-progress-dots {
  display: flex;
  gap: 0.4rem;
}

.q-dot {
  width: 18px;
  height: 18px;
  border: 2px solid var(--black);
  background: var(--white);
}

.q-dot.correct {
  background: var(--black);
}

.q-dot.wrong {
  background: var(--red);
}

.quiz-body {
  display: grid;
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
}

@media (max-width: 640px) {
  .quiz-body {
    grid-template-columns: minmax(0, 1fr);
  }
}

.quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

@container quiz (width < 420px) {
  .quiz-options {
    grid-template-columns: 1fr;
  }
}

.quiz-opt-btn {
  padding: 0.85rem;
  min-block-size: max(48px, var(--target-size));
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  background: var(--white);
  border: 2px solid var(--black);
  cursor: pointer;
  text-align: center;
  transition: all 0.12s;
}

.quiz-opt-btn:hover:not(:disabled) {
  background: var(--gray-100);
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--black);
}

.quiz-opt-btn.is-correct {
  background: var(--black);
  color: var(--white);
}

.quiz-opt-btn.is-wrong {
  background: var(--red);
  color: var(--white);
}

/* Sidebar Promo Cards */
.sidebar-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.promo-card {
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-offset);
  padding: 1.25rem;
}

.promo-card.dark-promo {
  background: var(--black);
  color: var(--white);
  box-shadow: var(--shadow-red);
}

.promo-badge {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.55rem;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.promo-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.promo-card p {
  font-size: 0.88rem;
  margin-bottom: 1rem;
  opacity: 0.92;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lead-form input {
  padding: 0.65rem;
  min-block-size: var(--target-size);
  width: 100%;
  border: 2px solid var(--black);
  font-size: max(1rem, 16px);
}

/* Chapter Explorer */
.chapter-preview-panel {
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-red);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  display: grid;
  grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: center;
}

.chapter-preview-panel[hidden] {
  display: none;
}

@media (max-width: 640px) {
  .chapter-preview-panel {
    grid-template-columns: minmax(0, 1fr);
  }
}

.chapters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr));
  gap: 0.75rem;
}

.chapter-pill {
  background: var(--white);
  border: 2px solid var(--black);
  min-block-size: var(--target-size);
  padding: 0.75rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-sans);
  transition: transform 0.1s;
}

.chapter-pill:hover,
.chapter-pill.is-active {
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 var(--red);
  border-color: var(--red);
}

.upsell-banner {
  background: var(--black);
  color: var(--white);
  border: var(--border-heavy);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  box-shadow: var(--shadow-red);
}

.rate-limit-box {
  background: var(--white);
  border: 3px solid var(--red);
  box-shadow: var(--shadow-offset);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.copy-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.copy-wrap .btn {
  min-inline-size: var(--target-size);
  min-block-size: var(--target-size);
}

.copy-tip {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--red);
  opacity: 0;
  transition: opacity 0.15s ease;
  white-space: nowrap;
}

.btn[data-copied] + .copy-tip,
.btn[data-failed] + .copy-tip {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .copy-tip {
    transition: opacity 0.01ms;
  }
}

/* Native Dialog Modals (Following modern-web-guidance) */
dialog {
  margin: auto;
  padding: 0;
  border: 4px solid var(--black);
  box-shadow: 8px 8px 0 var(--red);
  max-inline-size: min(680px, calc(100dvw - 1.25rem));
  max-block-size: calc(100dvh - 1.5rem);
  width: calc(100% - 1.25rem);
  overflow: auto;
  background: var(--white);
  color: var(--black);
}

dialog:modal {
  overscroll-behavior: contain;
}

dialog::backdrop {
  background-color: rgba(12, 12, 12, 0.72);
  backdrop-filter: blur(2px);
  overflow: hidden;
  overscroll-behavior: contain;
}

.dialog-inner {
  padding: clamp(1rem, 3.5vw, 1.5rem);
}

.dialog-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--black);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.phonetic-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.phonetic-table th,
.phonetic-table td {
  border: 1px solid var(--black);
  padding: 0.5rem;
  text-align: left;
}

.phonetic-table th {
  background: var(--black);
  color: var(--white);
}

/* Honeypot invisible to humans */
.hp-trap-link {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.78rem;
}

.btn-dark {
  background: var(--black);
  color: var(--white);
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.text-red {
  color: var(--red);
}

/* Subpage Banner & Breadcrumbs */
.subpage-banner {
  background: var(--black);
  color: var(--white);
  border-bottom: 4px solid var(--red);
  padding: 1.75rem max(1rem, env(safe-area-inset-right)) 1.75rem max(1rem, env(safe-area-inset-left));
}

.subpage-banner-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.subpage-banner h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 4.5vw, 2.5rem);
  line-height: 1.15;
  margin-bottom: 0.4rem;
}

.subpage-banner p {
  color: var(--gray-300);
  font-size: 0.98rem;
}

.breadcrumb {
  margin-bottom: 0.75rem;
}

.breadcrumb > ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0.45rem;
  list-style: none;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.breadcrumb > ol > li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb > ol > li + li::before {
  content: "/" / "";
  margin-inline-end: 0.45rem;
  color: var(--gray-300);
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  min-block-size: var(--target-size);
  color: var(--gray-300);
  text-decoration: underline;
}

.breadcrumb a:hover {
  color: var(--white);
}

.breadcrumb a[aria-current="page"] {
  color: var(--white);
  font-weight: 900;
  text-decoration: none;
}

/* Multi-Page Resource Hub & SEO Answer Cards */
.resource-panel {
  margin-bottom: 2rem;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 1rem;
}

.hub-card {
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-offset);
  padding: 1.15rem;
  text-decoration: none;
  color: var(--black);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.hub-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-red);
}

.hub-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 0.45rem;
}

.hub-card p {
  font-size: 0.88rem;
  color: var(--gray-600);
  margin-bottom: 0.8rem;
}

.hub-cta {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--red);
  letter-spacing: 0.05em;
}

.popular-words-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 0.75rem;
}

.popular-word-link {
  background: var(--white);
  border: 2px solid var(--black);
  padding: 0.75rem;
  text-decoration: none;
  color: var(--black);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.popular-word-link strong {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--red);
}

.popular-word-link span {
  font-size: 0.85rem;
  font-weight: 600;
}

.popular-word-link:hover {
  background: var(--black);
  color: var(--white);
}

.popular-word-link:hover strong {
  color: var(--white);
}

.seo-answer-article {
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-offset);
  padding: 1.5rem;
}

.seo-answer-article h2,
.seo-answer-article h3 {
  font-family: var(--font-serif);
  margin-bottom: 0.55rem;
}

.seo-answer-article h3 {
  margin-top: 1.15rem;
  font-size: 1.15rem;
}

.seo-answer-article p {
  margin-bottom: 0.85rem;
  font-size: 0.96rem;
}

.seo-answer-article a:not(.btn) {
  color: var(--red-dark);
  font-weight: 700;
}

.phonetic-bullets {
  padding-left: 1.25rem;
  display: grid;
  gap: 0.45rem;
  font-size: 0.92rem;
}

.word-detail-layout {
  display: grid;
  grid-template-columns: minmax(250px, 320px) 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 720px) {
  .word-detail-layout {
    grid-template-columns: 1fr;
  }
}

.wotd-center {
  grid-template-columns: minmax(280px, 420px);
  justify-content: center;
}

.stack-btns,
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.stack-btns {
  flex-direction: column;
}

.promo-badge-dark {
  background: var(--black);
}

.sidebar-stat-note {
  margin-top: 0.75rem !important;
  margin-bottom: 0 !important;
  font-size: 0.78rem !important;
  color: var(--gray-600);
}

.lead-feedback {
  font-size: 0.82rem;
  font-weight: 700;
  margin: 0;
}

/* Books Page Showcase */
.book-showcase-card {
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-offset);
  padding: 1.5rem;
}

.book-showcase-card.dark-promo {
  background: var(--black);
  color: var(--white);
  box-shadow: var(--shadow-red);
}

.book-showcase-card h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 0.35rem;
}

.book-sub {
  font-weight: 700;
  color: var(--red);
  margin-bottom: 0.75rem;
}

.book-specs {
  margin: 0.85rem 0 1.2rem 1.25rem;
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
}

/* Native Details Accordion (modern-web-guidance accordion pattern) */
.faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.faq-toolbar h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
}

.accordion details {
  background: var(--white);
  border: 2px solid var(--black);
  margin-bottom: 0.75rem;
  box-shadow: 3px 3px 0 var(--black);
}

.accordion summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1rem 1.15rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
}

.accordion summary::before {
  content: "▼";
  font-size: 0.75rem;
  color: var(--red);
  flex-shrink: 0;
  rotate: -90deg;
}

.accordion details[open] > summary::before {
  rotate: 0deg;
}

@media (prefers-reduced-motion: no-preference) {
  .accordion summary::before {
    transition: rotate 0.2s ease;
  }
  .accordion details::details-content {
    transition: block-size 0.28s ease, content-visibility 0.28s ease, display 0.28s ease;
    transition-behavior: allow-discrete;
  }
}

.accordion details::details-content {
  interpolate-size: allow-keywords;
  overflow: clip;
  contain: layout;
}

.accordion details:not([open])::details-content {
  block-size: 0;
}

.faq-answer {
  padding: 0 1.15rem 1rem 2.2rem;
  font-size: 0.94rem;
  line-height: 1.6;
}

[command="--toggle-all"][aria-expanded="true"] .expand,
[command="--toggle-all"][aria-expanded="false"] .collapse {
  display: none;
}

/* Responsive Data Tables (modern-web-guidance pattern) */
.table-wrapper {
  overflow: auto;
  max-inline-size: 100%;
  max-block-size: min(560px, 75dvh);
  border: 2px solid var(--black);
  background: var(--white);
  container-type: inline-size;
  overscroll-behavior-x: contain;
}

.table-wrapper table {
  inline-size: 100%;
  border-collapse: collapse;
}

.table-wrapper thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 1;
}

.table-wrapper:focus-visible {
  outline: 3px solid var(--red);
  outline-offset: 2px;
}

.table-arabizi {
  --label-1: "Number";
  --label-2: "Arabic Letter";
  --label-3: "Book Symbol";
  --label-4: "Example";
  --label-5: "How to Pronounce It";
}

.table-phonetic-full {
  --label-1: "Symbol";
  --label-2: "Type";
  --label-3: "English Sound";
  --label-4: "French Sound";
  --label-5: "Arabic";
  --label-6: "Example & Pronunciation Tip";
}

.table-phonetic-modal {
  --label-1: "Symbol";
  --label-2: "English Sound";
  --label-3: "French Sound";
  --label-4: "Arabic";
  --label-5: "Book Example";
}

.table-phrases {
  --label-1: "Tounsi";
  --label-2: "Arabizi";
  --label-3: "English Meaning";
  --label-4: "Quick Word Guide";
}

@container (width < 540px) {
  .table-wrapper {
    max-block-size: none;
    overflow: visible;
    border: none;
    background: transparent;
    padding: 0 4px 4px 0;
  }

  .table-wrapper table,
  .table-wrapper thead,
  .table-wrapper tbody,
  .table-wrapper tr,
  .table-wrapper th,
  .table-wrapper td {
    display: block;
  }

  .table-wrapper thead {
    display: none;
  }

  .table-wrapper tbody {
    display: grid;
    gap: 0.75rem;
  }

  .table-wrapper tbody tr {
    background: var(--white);
    border: 2px solid var(--black);
    box-shadow: 3px 3px 0 var(--black);
    padding: 0.75rem 0.9rem;
  }

  .table-wrapper td {
    border: none;
    border-bottom: 1px dashed var(--gray-300);
    padding: 0.45rem 0;
    display: grid;
    grid-template-columns: minmax(7.5rem, 42%) minmax(0, 1fr);
    gap: 0.35rem 0.75rem;
    align-items: baseline;
  }

  .table-wrapper td:last-child {
    border-bottom: none;
    padding-bottom: 0.15rem;
  }

  .table-wrapper td::before {
    font-weight: 800;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
  }

  .table-wrapper td:nth-child(1)::before { content: var(--label-1, ""); }
  .table-wrapper td:nth-child(2)::before { content: var(--label-2, ""); }
  .table-wrapper td:nth-child(3)::before { content: var(--label-3, ""); }
  .table-wrapper td:nth-child(4)::before { content: var(--label-4, ""); }
  .table-wrapper td:nth-child(5)::before { content: var(--label-5, ""); }
  .table-wrapper td:nth-child(6)::before { content: var(--label-6, ""); }
}

.sym-cell {
  font-weight: 900;
  color: var(--red);
  white-space: nowrap;
}

.chapter-part-tag {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.2rem;
}

.chapter-title {
  font-size: 0.95rem;
  display: block;
}

.chapter-meta {
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-top: 0.3rem;
}

.chapter-sample {
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  margin: 0.35rem 0;
}

.modal-copy {
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.spotlight-box {
  background: var(--off-white);
  border: 2px solid var(--black);
  padding: 0.9rem;
  margin-bottom: 1rem;
}

.modal-actions-row,
.share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: space-between;
  align-items: center;
}

.share-preview {
  background: var(--off-white);
  border: 2px solid var(--black);
  padding: 0.9rem;
  font-family: monospace;
  font-size: 0.9rem;
  white-space: pre-wrap;
  margin-bottom: 1rem;
}

.score-msg {
  margin-bottom: 0.85rem;
  font-weight: 700;
}

.quiz-heading {
  font-family: var(--font-serif);
  font-size: 1.45rem;
}

.quiz-meta {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--gray-600);
}

.quiz-prompt {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin: 0.35rem 0 0.75rem;
}

.quiz-feedback {
  margin-top: 1rem;
  min-height: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

summary {
  cursor: pointer;
  min-block-size: var(--target-size);
  padding-block: 0.35rem;
}

.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.upsell-banner .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* YouTube Channel & Video Facade Cards (card + performance guidance) */
.videos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.video-card {
  container-type: inline-size;
  background: var(--white);
  border: var(--border-heavy);
  box-shadow: var(--shadow-offset);
  padding: 0.9rem;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 0.65rem;
  min-inline-size: 0;
}

.video-card > .media {
  aspect-ratio: 16 / 9;
  inline-size: 100%;
  overflow: hidden;
  border: 2px solid var(--black);
  background: var(--black);
  position: relative;
}

.video-facade-btn {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  min-block-size: var(--target-size);
  padding: 0;
  border: 0;
  background: var(--black);
  cursor: pointer;
  position: relative;
}

.video-facade-btn img {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  max-inline-size: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.video-facade-btn:hover img {
  opacity: 0.92;
  transform: scale(1.02);
}

.video-play-pill {
  position: absolute;
  inset-block-end: 0.55rem;
  inset-inline-start: 0.55rem;
  background: var(--red);
  color: var(--white);
  border: 2px solid var(--white);
  padding: 0.35rem 0.7rem;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 2px 2px 0 var(--black);
}

.video-facade-btn:hover .video-play-pill,
.video-facade-btn:focus-visible .video-play-pill {
  background: var(--black);
  border-color: var(--red);
}

@media (prefers-reduced-motion: reduce) {
  .video-facade-btn img {
    transition: none;
  }

  .video-facade-btn:hover img {
    transform: none;
  }
}

.video-embed-frame {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  border: 0;
}

.video-card > header {
  min-inline-size: 0;
}

.video-card h3 {
  font-family: var(--font-serif);
  font-size: 1.04rem;
  line-height: 1.28;
  margin-top: 0.2rem;
}

.video-card > p {
  font-size: 0.86rem;
  color: var(--gray-600);
  line-height: 1.45;
  min-inline-size: 0;
}

.video-card > footer {
  padding-top: 0.45rem;
  border-top: 1px dashed var(--gray-300);
}

.video-card > footer a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  min-block-size: var(--target-size);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--red);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.video-card > footer a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .title-tounsi {
    font-size: clamp(2.15rem, 11vw, 3.2rem);
  }

  .wotd-center,
  .popular-words-grid,
  .seo-quick-grid,
  .books-grid,
  .stats-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

.footer-links {
  margin-top: 0.6rem;
  opacity: 0.85;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 0.65rem;
}

.footer-links a {
  color: var(--white);
  display: inline-flex;
  align-items: center;
  min-block-size: var(--target-size);
  padding: 0.15rem 0.25rem;
}

.footer-bar {
  margin-top: 3rem;
  background: var(--black);
  color: var(--white);
  padding: 2rem max(1rem, env(safe-area-inset-right)) max(2rem, calc(1rem + env(safe-area-inset-bottom))) max(1rem, env(safe-area-inset-left));
  text-align: center;
  font-size: 0.85rem;
  border-top: 4px solid var(--red);
}

.footer-cookie-btn {
  appearance: none;
  background: none;
  border: 0;
  color: var(--white);
  font: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  min-block-size: var(--target-size);
  padding: 0.15rem 0.25rem;
}

.footer-cookie-btn:hover {
  color: var(--red);
}

/* Cookie Consent Bar — compact non-modal banner covering < 15% of viewport */
.cookie-banner {
  position: fixed;
  inset-block-end: 0;
  inset-inline: 0;
  z-index: 45;
  background: var(--black);
  color: var(--white);
  border-top: 3px solid var(--red);
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.28);
  padding: 0.55rem max(0.75rem, env(safe-area-inset-right)) max(0.55rem, env(safe-area-inset-bottom)) max(0.75rem, env(safe-area-inset-left));
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner-inner {
  max-width: 1120px;
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem 1rem;
}

.cookie-banner-copy {
  flex: 1 1 320px;
  min-inline-size: 0;
  font-size: 0.8rem;
  line-height: 1.32;
}

.cookie-banner-copy strong {
  color: var(--white);
  margin-right: 0.25rem;
}

.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-inline-start: auto;
}

.cookie-manage-btn {
  appearance: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.4rem 0.65rem;
  min-inline-size: 44px;
  min-block-size: max(36px, var(--target-size));
  cursor: pointer;
}

.cookie-manage-btn:hover {
  border-color: var(--white);
}

.cookie-decline-btn {
  background: var(--white);
  color: var(--black);
  border: 2px solid var(--black);
  min-inline-size: 44px;
  min-block-size: max(36px, var(--target-size));
}

.cookie-banner .cookie-decline-btn {
  border-color: var(--white);
}

.cookie-banner .btn-red {
  min-inline-size: 44px;
  min-block-size: max(36px, var(--target-size));
}

.cookie-pref-list {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 1.25rem;
}

.cookie-pref-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.85rem;
  align-items: start;
  padding: 0.85rem;
  border: 2px solid var(--black);
  background: var(--gray-100);
}

.cookie-pref-toggle {
  background: var(--white);
  cursor: pointer;
}

.cookie-pref-item h3 {
  font-size: 0.96rem;
  margin-bottom: 0.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.cookie-pref-item p {
  font-size: 0.82rem;
  color: var(--gray-600);
  line-height: 1.42;
}

.cookie-pref-item input[type="checkbox"] {
  inline-size: 1.35rem;
  block-size: 1.35rem;
  accent-color: var(--red);
  margin-top: 0.15rem;
  cursor: pointer;
}

.cookie-badge {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--black);
  color: var(--white);
  padding: 0.1rem 0.4rem;
}

.cookie-pref-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-end;
}

.cookie-pref-actions .btn {
  min-block-size: var(--target-size);
}

@media (max-width: 600px) {
  .cookie-banner {
    padding-block: 0.45rem;
  }

  .cookie-banner-inner {
    gap: 0.4rem;
  }

  .cookie-banner-copy {
    flex-basis: 100%;
    font-size: 0.76rem;
    line-height: 1.28;
  }

  .cookie-banner-actions {
    width: 100%;
    justify-content: flex-end;
    gap: 0.35rem;
  }

  .cookie-banner-actions .btn,
  .cookie-banner-actions .cookie-manage-btn {
    padding: 0.35rem 0.6rem;
    font-size: 0.76rem;
    min-inline-size: 44px;
    min-block-size: 44px;
  }

  .cookie-pref-actions {
    justify-content: stretch;
  }

  .cookie-pref-actions .btn {
    flex: 1 1 auto;
  }
}

/* ============================================================================
   MISSION CALLOUT & TUNISIAN DERJA LANGUAGE CENTERS DIRECTORY (/centers)
   ============================================================================ */
.mission-callout {
  background: var(--off-white);
  border: 3px solid var(--black);
  border-left: 8px solid var(--red);
  padding: 1rem 1.2rem;
  margin-bottom: 1.5rem;
}

.mission-callout p {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.4;
  margin-top: 0.45rem;
  color: var(--black);
}

.center-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.filter-chip {
  appearance: none;
  border: 2px solid var(--black);
  background: var(--white);
  color: var(--black);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.45rem 0.85rem;
  min-inline-size: 44px;
  min-block-size: max(38px, var(--target-size));
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}

.filter-chip:hover {
  background: var(--gray-100);
}

.filter-chip.is-active,
.filter-chip[aria-pressed="true"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.centers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1.15rem;
}

.center-card {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.85rem;
  background: var(--white);
  border: 3px solid var(--black);
  box-shadow: 5px 5px 0 var(--black);
  padding: 1.1rem;
  min-inline-size: 0;
}

.center-card[hidden] {
  display: none;
}

.center-card > header h3 {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  line-height: 1.25;
  margin-top: 0.45rem;
}

.center-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  align-items: center;
}

.center-method-tag {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-600);
}

.center-card-body {
  display: grid;
  gap: 0.85rem;
  align-content: start;
  min-inline-size: 0;
}

.center-facts {
  display: grid;
  gap: 0.45rem;
  font-size: 0.85rem;
}

.center-facts > div {
  display: grid;
  grid-template-columns: 5.5rem minmax(0, 1fr);
  gap: 0.4rem 0.65rem;
  border-bottom: 1px dashed var(--gray-300);
  padding-bottom: 0.4rem;
}

.center-facts dt {
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--gray-600);
  padding-top: 0.1rem;
}

.center-facts dd {
  margin: 0;
  min-inline-size: 0;
  overflow-wrap: anywhere;
  line-height: 1.4;
}

.center-facts dd a {
  color: var(--red);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.center-method-note {
  font-size: 0.84rem;
  line-height: 1.48;
  color: var(--gray-600);
  background: var(--off-white);
  border-left: 3px solid var(--black);
  padding: 0.55rem 0.75rem;
}

.center-method-note strong {
  color: var(--black);
}

.center-card > footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-top: 0.6rem;
  border-top: 2px solid var(--gray-300);
}

.center-card > footer .btn {
  min-block-size: max(38px, var(--target-size));
}

.center-call-btn {
  background: var(--white);
  color: var(--black);
  border: 2px solid var(--black);
}

@media (max-width: 600px) {
  .centers-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .filter-chip {
    min-block-size: 44px;
  }

  .center-facts > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.15rem;
  }

  .center-card > footer .btn {
    flex: 1 1 auto;
    min-block-size: 44px;
    justify-content: center;
  }
}