* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

:root {
  --color-bg: #f8f7ff;
  --color-bg-warm: #fff9ed;
  --color-surface: #ffffff;
  --color-surface-soft: #f5f2ff;
  --color-text: #2d2d2d;
  --color-muted: #666666;
  --color-brand: #6b3bf5;
  --color-brand-dark: #4d2ac0;
  --color-brand-soft: #eee8ff;
  --color-accent: #ffc83d;
  --color-accent-dark: #b87900;
  --color-coral: #ff6fae;
  --color-sky: #4db6ff;
  --color-leaf: #8bc34a;
  --color-lavender: #9f8cff;
  --color-border: #e2ddf6;
  --color-locked: #8a96a8;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --shadow-soft: 0 16px 40px rgba(45, 45, 45, 0.1);
  --shadow-card: 0 16px 34px rgba(45, 45, 45, 0.1);
  --shadow-raised: 0 20px 46px rgba(107, 59, 245, 0.18);
  --shadow-button: 0 8px 0 rgba(107, 59, 245, 0.24);
  --gradient-app: linear-gradient(180deg, #f8f7ff 0%, #fff9ed 100%);
  --gradient-card: linear-gradient(180deg, #ffffff 0%, #fbf9ff 100%);
  --gradient-brand: linear-gradient(135deg, #6b3bf5 0%, #4db6ff 100%);
  --gradient-sunny: linear-gradient(135deg, #ffc83d 0%, #ff6fae 100%);
  --touch-target: 52px;
  --page-max: 1040px;
  --motion-pop: 180ms cubic-bezier(0.2, 0.9, 0.25, 1.2);
  --motion-fast: 140ms;
  --motion-normal: 260ms;
  --motion-slow: 520ms;
  --ease-soft: cubic-bezier(0.2, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.2, 0.9, 0.2, 1.18);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 0%, rgba(255, 200, 61, 0.24), transparent 260px),
    radial-gradient(circle at 86% 10%, rgba(77, 182, 255, 0.2), transparent 280px),
    var(--gradient-app);
  color: var(--color-text);
  font-family: "Nunito", Arial, sans-serif;
}

body:has(.home-main) {
  background:
    radial-gradient(circle at 14% 0%, rgba(255, 200, 61, 0.22), transparent 280px),
    radial-gradient(circle at 86% 10%, rgba(77, 182, 255, 0.18), transparent 300px),
    var(--gradient-app);
}

button,
input,
textarea,
select {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.primary-button,
.secondary-button,
.button-base {
  display: inline-flex;
  min-height: var(--touch-target);
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  line-height: 1.1;
  padding: 0 var(--space-6);
  text-align: center;
  text-decoration: none;
  transition:
    box-shadow var(--motion-pop),
    filter var(--motion-pop),
    transform var(--motion-pop);
}

.primary-button {
  background: var(--gradient-brand);
  box-shadow: var(--shadow-button);
  color: #ffffff;
}

.secondary-button {
  border: 2px solid rgba(107, 59, 245, 0.22);
  background: #ffffff;
  box-shadow: 0 8px 0 rgba(36, 48, 68, 0.08);
  color: var(--color-brand-dark);
}

.primary-button:hover,
.primary-button:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible,
.button-base:hover,
.button-base:focus-visible {
  filter: saturate(1.06);
  transform: translateY(-2px);
}

.primary-button:active,
.secondary-button:active,
.button-base:active {
  box-shadow: 0 3px 0 rgba(36, 48, 68, 0.14);
  transform: translateY(3px);
}

.primary-button.is-disabled,
.secondary-button.is-disabled,
.button-base.is-disabled,
.primary-button:disabled,
.secondary-button:disabled,
.button-base:disabled {
  background: #d9e1e8;
  box-shadow: none;
  color: #7b8796;
  cursor: not-allowed;
  filter: grayscale(0.1);
  transform: none;
}

.lesson-card,
.quiz-card,
.roadmap-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  box-shadow: var(--shadow-card);
  animation: cardEnter 420ms var(--ease-soft) both;
}

.lesson-card {
  padding: var(--space-5);
}

.roadmap-card {
  border-width: 2px;
}

.progress-bar,
.quiz-progress-track,
.roadmap-progress-track {
  overflow: hidden;
  height: 14px;
  border-radius: var(--radius-pill);
  background: #e6eef2;
}

.progress-bar > span,
.quiz-progress-track span,
.roadmap-progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--gradient-sunny);
  transition: width 220ms ease;
}

.badge,
.star-badge,
.level-route,
.roadmap-link em {
  display: inline-flex;
  width: fit-content;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1;
  padding: 6px 11px;
}

.badge {
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
}

.star-badge {
  background: #fff4ce;
  color: var(--color-accent-dark);
  letter-spacing: 1px;
}

.locked-level,
.is-locked {
  filter: grayscale(0.16);
}

.fade-in {
  animation: fadeIn var(--motion-slow) var(--ease-soft) backwards;
}

.bounce-soft {
  animation: bounceSoft 720ms var(--ease-bounce) both;
}

.pulse {
  animation: pulseSoft 900ms var(--ease-soft) both;
}

.float {
  animation: floatSoft 3.8s ease-in-out infinite;
}

.unlock {
  animation: unlockPop 820ms var(--ease-bounce) both;
}

.motion-correct {
  position: relative;
  animation: correctPop 760ms var(--ease-bounce) both;
}

.motion-wrong,
.motion-shake {
  position: relative;
  animation: shakeSoft 560ms var(--ease-soft) both;
}

.motion-correct::after,
.motion-wrong::after {
  content: "";
  position: absolute;
  inset: 8px;
  z-index: 6;
  border: 4px solid rgba(255, 200, 61, 0.72);
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.86);
  animation: feedbackRing 1100ms var(--ease-soft) forwards;
}

.motion-wrong::after {
  border-color: rgba(255, 111, 174, 0.68);
}

.tap-feedback,
.is-tapped {
  animation: tapPop 220ms var(--ease-bounce) both;
}

.is-tapped,
.motion-unlock,
.mascot-svg {
  will-change: transform, opacity;
}

.motion-layer {
  position: fixed;
  inset: 0;
  z-index: 60;
  overflow: hidden;
  pointer-events: none;
}

.confetti-piece,
.star-piece {
  position: fixed;
  left: var(--x);
  top: var(--y);
  width: var(--size, 9px);
  height: var(--size, 9px);
  border-radius: 3px;
  background: var(--piece-color, var(--color-accent));
  opacity: 0;
  transform: translate3d(0, 0, 0) rotate(0deg) scale(0.8);
  animation: confettiDrift 1400ms var(--ease-soft) forwards;
}

.star-piece {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 0;
  background: transparent;
  color: var(--piece-color, var(--color-accent));
  font-size: 24px;
  font-weight: 900;
  animation: starPop 1200ms var(--ease-bounce) forwards;
}

.star-piece::before {
  content: "★";
}

.quiz-poppet {
  position: fixed;
  left: var(--x);
  top: var(--y);
  z-index: 65;
  display: grid;
  min-width: 106px;
  justify-items: center;
  gap: 7px;
  pointer-events: none;
  transform: translate(-50%, -112%) scale(0.82);
  animation: quizPoppetPop 1400ms var(--ease-bounce) forwards;
}

.quiz-poppet strong {
  border: 2px solid rgba(36, 48, 68, 0.1);
  border-radius: var(--radius-pill);
  background: #ffffff;
  box-shadow: 0 8px 0 rgba(36, 48, 68, 0.08);
  color: var(--color-brand-dark);
  font-size: 0.96rem;
  font-weight: 900;
  line-height: 1;
  padding: 8px 13px;
}

.quiz-poppet-face {
  position: relative;
  display: grid;
  width: 68px;
  height: 68px;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  justify-items: center;
  border: 4px solid rgba(36, 48, 68, 0.12);
  border-radius: 50%;
  background: linear-gradient(180deg, #fff8d8 0%, #ffc83d 100%);
  box-shadow: 0 10px 0 rgba(201, 133, 0, 0.18), var(--shadow-card);
}

.quiz-poppet-eye {
  width: 9px;
  height: 11px;
  margin-top: -7px;
  border-radius: 50%;
  background: var(--color-text);
}

.quiz-poppet-mouth {
  position: absolute;
  left: 50%;
  bottom: 16px;
  width: 27px;
  height: 15px;
  border-right: 4px solid var(--color-text);
  border-bottom: 4px solid var(--color-text);
  border-left: 4px solid var(--color-text);
  border-radius: 0 0 999px 999px;
  transform: translateX(-50%);
}

.quiz-poppet.is-sad .quiz-poppet-face {
  background: linear-gradient(180deg, #eef8ff 0%, #9fd7ff 100%);
  box-shadow: 0 10px 0 rgba(77, 182, 255, 0.18), var(--shadow-card);
}

.quiz-poppet.is-sad .quiz-poppet-mouth {
  bottom: 12px;
  border-top: 4px solid var(--color-text);
  border-right: 4px solid var(--color-text);
  border-bottom: 0;
  border-left: 4px solid var(--color-text);
  border-radius: 999px 999px 0 0;
}

.quiz-poppet.is-sad strong {
  color: #8b3a48;
}

.motion-unlock {
  animation: unlockPop 820ms var(--ease-bounce) both;
}

.motion-unlock .roadmap-node {
  animation: pulseSoft 1100ms var(--ease-soft) both;
}

.quiz-choice.is-correct {
  border-color: rgba(107, 59, 245, 0.44);
  background:
    radial-gradient(circle at top right, rgba(139, 195, 74, 0.28), transparent 52%),
    #ffffff;
  box-shadow: 0 8px 0 rgba(107, 59, 245, 0.18), var(--shadow-card);
}

.quiz-choice.is-wrong {
  border-color: rgba(255, 111, 174, 0.44);
  background:
    radial-gradient(circle at top right, rgba(255, 111, 174, 0.2), transparent 52%),
    #ffffff;
  box-shadow: 0 8px 0 rgba(255, 111, 174, 0.14), var(--shadow-card);
}

.mascot-root {
  position: fixed;
  right: max(14px, env(safe-area-inset-right));
  top: max(82px, env(safe-area-inset-top));
  z-index: 50;
  width: min(320px, calc(100vw - 28px));
  pointer-events: none;
}

.mascot {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  gap: var(--space-3);
  opacity: 0;
  transform: translate3d(0, -14px, 0);
  animation: mascotEnter 520ms var(--ease-soft) 240ms forwards;
}

.mascot-svg {
  width: 82px;
  height: 82px;
  flex: 0 0 auto;
  filter: drop-shadow(0 12px 16px rgba(36, 48, 68, 0.14));
  transform-origin: center bottom;
  animation: mascotFloat 3.4s ease-in-out infinite;
}

.mascot-head {
  transform-origin: 62px 64px;
  animation: mascotNod 2.8s ease-in-out infinite;
}

.mascot-book {
  transform-origin: 60px 98px;
  animation: mascotBookBounce 2.8s ease-in-out infinite;
}

.mascot-star {
  transform-origin: 94px 36px;
  animation: mascotStarTwinkle 1.8s ease-in-out infinite;
}

.mascot-bubble {
  max-width: 210px;
  border: 2px solid rgba(107, 59, 245, 0.14);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 0 rgba(36, 48, 68, 0.08), var(--shadow-card);
  color: var(--color-text);
  font-size: 0.94rem;
  font-weight: 900;
  line-height: 1.35;
  padding: var(--space-3) var(--space-4);
  transform-origin: right center;
  animation: mascotBubblePulse 3.6s ease-in-out infinite;
}

.mascot-bubble small {
  display: block;
  margin-top: var(--space-1);
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.mascot.mascot-celebrate .mascot-svg {
  animation:
    mascotCelebrate 900ms var(--ease-bounce) both,
    mascotFloat 3.4s ease-in-out 900ms infinite;
}

.mascot.mascot-celebrate .mascot-bubble {
  animation:
    mascotBubblePop 900ms var(--ease-bounce) both,
    mascotBubblePulse 3.6s ease-in-out 900ms infinite;
}

.success-sparkle {
  position: absolute;
  inset: -6px auto auto -6px;
  color: var(--color-accent);
  font-size: 1rem;
  opacity: 0;
  animation: starPop 900ms var(--ease-bounce) forwards;
  pointer-events: none;
}

.success-sparkle::before {
  content: "*";
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 40;
  transform: translateY(-140%);
  border-radius: var(--radius-sm);
  background: var(--color-text);
  color: #ffffff;
  font-weight: 800;
  padding: 10px 14px;
  text-decoration: none;
}

.skip-link:focus-visible {
  transform: translateY(0);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 18px 20px 8px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 12px;
  background: var(--color-brand);
  color: #ffffff;
  font-family: "Noto Naskh Arabic", serif;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
}

.brand-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.brand-name,
.brand-subtitle {
  display: block;
}

.brand-name {
  font-weight: 800;
  line-height: 1.1;
}

.brand-subtitle {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
}

.site-nav a {
  min-height: 40px;
  border-radius: var(--radius-pill);
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 800;
  padding: 9px 12px;
  text-decoration: none;
  transition:
    background-color var(--motion-fast) var(--ease-soft),
    color var(--motion-fast) var(--ease-soft),
    transform var(--motion-fast) var(--ease-soft);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  background: rgba(107, 59, 245, 0.08);
  color: var(--color-brand-dark);
  transform: translateY(-1px);
}

.download-section {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(107, 59, 245, 0.12);
  background:
    linear-gradient(135deg, rgba(107, 59, 245, 0.1), rgba(139, 195, 74, 0.1)),
    #f8f7ff;
}

.download-book-button {
  display: inline-flex;
  min-height: 64px;
  max-width: min(100%, 720px);
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 2px solid rgba(107, 59, 245, 0.12);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255, 200, 61, 0.96), rgba(255, 111, 174, 0.86)),
    #ffffff;
  box-shadow: 0 12px 0 rgba(107, 59, 245, 0.14), 0 18px 42px rgba(45, 45, 45, 0.1);
  color: #2d2d2d;
  font-weight: 900;
  line-height: 1.15;
  padding: 10px 20px;
  text-align: left;
  text-decoration: none;
  transition:
    box-shadow var(--motion-pop),
    transform var(--motion-pop);
}

.download-book-button:hover,
.download-book-button:focus-visible {
  box-shadow: 0 8px 0 rgba(107, 59, 245, 0.14), 0 22px 48px rgba(107, 59, 245, 0.16);
  transform: translateY(4px);
}

.download-book-icon {
  display: inline-grid;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, #6b3bf5, #4db6ff);
  box-shadow: inset 0 -4px 0 rgba(45, 45, 45, 0.12);
  color: #ffffff;
  font-family: "Nunito", Arial, sans-serif;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0;
}

.download-book-copy {
  display: grid;
  gap: 3px;
}

.download-book-copy strong {
  font-size: clamp(0.98rem, 2.2vw, 1.12rem);
}

.download-book-copy small {
  color: rgba(45, 45, 45, 0.74);
  font-size: 0.88rem;
  font-weight: 800;
}

main {
  width: min(100%, var(--page-max));
  margin: 0 auto;
  padding: var(--space-7) var(--space-5) 48px;
}

.site-footer {
  width: min(100%, var(--page-max));
  margin: 0 auto;
  padding: 0 20px 28px;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.footer-nav a {
  border-radius: var(--radius-pill);
  color: var(--color-brand-dark);
  font-weight: 900;
  padding: 7px 10px;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-nav a:focus-visible,
.footer-nav a[aria-current="page"] {
  background: var(--color-brand-soft);
}

.site-footer p {
  margin-bottom: 0;
}

.sr-only {
  position: absolute;
  overflow: hidden;
  width: 1px;
  height: 1px;
  margin: -1px;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.aka-footer {
  width: 100%;
  margin-top: 80px;
  background: linear-gradient(135deg, #5b2be0, #7c4dff);
  color: #ffffff;
  padding-top: 60px;
}

.footer-container {
  display: grid;
  width: min(100%, 1300px);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin: 0 auto;
  padding: 0 25px 50px;
}

.footer-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 15px;
  object-fit: contain;
}

.footer-brand h2 {
  margin: 0 0 15px;
  color: #ffffff;
  font-size: 1.75rem;
  line-height: 1.15;
}

.footer-brand p,
.footer-newsletter p {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 15px;
}

.footer-links h3,
.footer-newsletter h3 {
  margin: 0 0 18px;
  color: #ffffff;
  font-size: 1.25rem;
}

.footer-links ul {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: #ffffff;
  font-weight: 800;
  text-decoration: none;
  transition:
    opacity var(--motion-fast) var(--ease-soft),
    transform var(--motion-fast) var(--ease-soft);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  opacity: 0.75;
  transform: translateX(5px);
}

.footer-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.footer-socials a {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 900;
  text-decoration: none;
  transition:
    background-color var(--motion-fast) var(--ease-soft),
    transform var(--motion-fast) var(--ease-soft);
}

.footer-socials a:hover,
.footer-socials a:focus-visible {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.08);
}

.footer-newsletter form {
  display: grid;
  gap: 12px;
}

.footer-newsletter input {
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 12px;
  background: #ffffff;
  color: var(--color-text);
  font: inherit;
  font-weight: 800;
  padding: 0 14px;
}

.footer-newsletter button {
  min-height: 52px;
  border: 0;
  border-radius: 12px;
  background: #ffd54f;
  color: #222222;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  padding: 0 14px;
  transition:
    filter var(--motion-fast) var(--ease-soft),
    transform var(--motion-fast) var(--ease-soft);
}

.footer-newsletter button:hover,
.footer-newsletter button:focus-visible {
  filter: saturate(1.08);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.88rem;
  padding: 20px;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
}

.hero {
  padding: 28px 0 34px;
}

.home-header {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  border-bottom: 1px solid rgba(36, 48, 68, 0.08);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
}

.home-header .brand {
  color: var(--color-text);
}

.home-header .brand-subtitle {
  color: var(--color-muted);
}

.home-header .site-nav a {
  color: var(--color-text);
}

.home-header .site-nav a:hover,
.home-header .site-nav a:focus-visible,
.home-header .site-nav a[aria-current="page"] {
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
}

.home-footer {
  color: var(--color-muted);
}

.home-main {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

.hero-home {
  position: relative;
  display: grid;
  min-height: calc(100vh - 82px);
  align-content: end;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 200, 61, 0.26), transparent 34rem),
    radial-gradient(circle at 12% 44%, rgba(107, 59, 245, 0.12), transparent 22rem),
    linear-gradient(180deg, #ffffff 0%, #f6fffb 58%, #fff9ed 100%);
  padding: 250px 20px 44px;
}

.hero-home::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(180deg, rgba(107, 59, 245, 0.06), transparent 45%),
    radial-gradient(circle at 50% 50%, transparent 38%, rgba(107, 59, 245, 0.05) 72%);
}

.hero-content,
.home-levels {
  position: relative;
  z-index: 5;
  width: min(100%, var(--page-max));
  margin: 0 auto;
}

.hero-content {
  text-align: center;
}

.floating-letter {
  position: absolute;
  z-index: 2;
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.48);
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 2.35rem;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
  animation: floatLetter 5.5s ease-in-out infinite;
}

.letter-arc {
  position: absolute;
  top: 72px;
  left: 50%;
  z-index: 2;
  width: min(1160px, 138vw);
  height: 390px;
  pointer-events: none;
  transform: translateX(calc(-50% - 18px));
  animation: arcTravel 10s ease-in-out infinite;
}

.letter-arc::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 6%;
  z-index: 0;
  width: 58%;
  height: 36%;
  border-radius: 999px;
  background:
    radial-gradient(circle at 18% 52%, rgba(255, 183, 3, 0.42), transparent 34%),
    radial-gradient(circle at 44% 34%, rgba(6, 214, 160, 0.36), transparent 36%),
    radial-gradient(circle at 72% 54%, rgba(239, 71, 111, 0.34), transparent 36%);
  filter: blur(24px);
  opacity: 0.95;
  transform: translateX(-50%);
}

.letter-arc span {
  position: absolute;
  left: var(--left);
  top: var(--top);
  display: grid;
  width: clamp(72px, 12vw, 138px);
  height: clamp(92px, 15vw, 170px);
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.74);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0 55%, var(--card-color) 55% 100%);
  color: #102033;
  font-family: "Noto Naskh Arabic", serif;
  font-size: 3.1rem;
  font-weight: 700;
  line-height: 1;
  opacity: 0;
  z-index: var(--z);
  box-shadow:
    0 18px 36px rgba(36, 48, 68, 0.16),
    0 12px 26px color-mix(in srgb, var(--card-color) 35%, transparent),
    inset 0 0 0 1px rgba(107, 59, 245, 0.08);
  transform: translate(-50%, -50%) rotate(var(--rotate));
  animation:
    arcLetterIn 700ms ease-out forwards,
    arcLetterFloat 3.4s ease-in-out infinite;
  animation-delay: var(--delay), calc(var(--delay) + 700ms);
}

.letter-one {
  top: 18%;
  right: 9%;
}

.letter-two {
  top: 34%;
  left: 6%;
  animation-delay: -1.4s;
}

.letter-three {
  right: 12%;
  bottom: 28%;
  animation-delay: -2.8s;
}

.letter-four {
  bottom: 18%;
  left: 12%;
  animation-delay: -4s;
}

.hero-home .eyebrow {
  color: var(--color-brand-dark);
}

.hero-home h1 {
  max-width: 780px;
  margin-inline: auto;
  color: var(--color-text);
  font-size: 3.15rem;
  line-height: 1.02;
}

.hero-home .hero-text {
  margin-inline: auto;
  color: var(--color-muted);
}

.hero-home .arabic-example {
  border-color: rgba(107, 59, 245, 0.2);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-soft);
}

.hero-home .arabic-welcome {
  width: fit-content;
  margin: 18px auto 18px;
  padding: 10px 24px 14px;
  border: 2px solid rgba(107, 59, 245, 0.12);
  border-radius: var(--radius-pill);
  background: #ffffff;
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.15;
  box-shadow: var(--shadow-card);
}

.learning-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
  margin: var(--space-5) auto 0;
}

.learning-stat {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: var(--space-2);
  border: 2px solid rgba(107, 59, 245, 0.14);
  border-radius: var(--radius-pill);
  background: #ffffff;
  box-shadow: 0 6px 0 rgba(36, 48, 68, 0.08);
  color: var(--color-muted);
  font-weight: 900;
  padding: 0 var(--space-4);
}

.learning-stat strong {
  color: var(--color-brand-dark);
}

.home-levels {
  margin-top: 28px;
}

.home-levels .section-heading {
  color: var(--color-text);
  margin-bottom: 16px;
}

.home-levels #selected-level {
  color: var(--color-muted);
}

.home-levels .level-card {
  position: relative;
  overflow: hidden;
  min-height: 128px;
  border-color: rgba(255, 255, 255, 0.32);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(244, 251, 248, 0.92));
  box-shadow:
    0 8px 0 rgba(36, 48, 68, 0.09),
    var(--shadow-card);
  transform: translateY(0);
}

.home-levels .level-card::before {
  content: "";
  position: absolute;
  right: -36px;
  top: -42px;
  width: 116px;
  height: 116px;
  border-radius: 999px;
  background: var(--level-glow, rgba(107, 59, 245, 0.16));
  opacity: 0.72;
}

.home-levels .level-card:nth-child(1) {
  --level-glow: rgba(242, 184, 75, 0.34);
  border-top: 7px solid var(--color-accent);
}

.home-levels .level-card:nth-child(2) {
  --level-glow: rgba(107, 59, 245, 0.26);
  border-top: 7px solid var(--color-brand);
}

.home-levels .level-card:nth-child(3) {
  --level-glow: rgba(255, 111, 174, 0.26);
  border-top: 7px solid var(--color-coral);
}

.home-levels .level-card:hover,
.home-levels .level-card:focus-visible {
  transform: translateY(-6px);
}

.home-levels .level-card.is-selected {
  background: #ffffff;
  box-shadow: var(--shadow-raised);
}

.home-levels .level-card.is-selected::after {
  content: "Gekozen";
  position: absolute;
  top: 14px;
  right: 14px;
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 5px 10px;
}

.home-levels .start-link {
  width: min(100%, 360px);
  box-shadow: var(--shadow-button);
}

.levels-hero {
  min-height: calc(100vh - 86px);
  align-content: start;
  padding-top: clamp(52px, 10vw, 112px);
}

.levels-hero .hero-content {
  margin-bottom: clamp(34px, 6vw, 68px);
}

.levels-hero .hero-text {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.levels-hero .home-levels {
  margin-top: 0;
}

.levels-hero .home-levels h1 {
  font-size: clamp(2rem, 4vw, 2.65rem);
  line-height: 1.05;
}

.levels-hero .home-levels .start-link {
  width: min(100%, 430px);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--color-brand-dark);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 640px;
  margin-bottom: 14px;
  font-size: 2.65rem;
  line-height: 0.95;
}

h2 {
  margin-bottom: 6px;
  font-size: 1.45rem;
  line-height: 1.15;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 24px;
  color: var(--color-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.arabic-example {
  width: fit-content;
  margin-bottom: 0;
  padding: 10px 16px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 2rem;
  line-height: 1.25;
}

.level-section {
  padding-top: 8px;
}

.section-heading {
  margin-bottom: 18px;
}

#selected-level {
  margin-bottom: 0;
  color: var(--color-muted);
}

.level-grid {
  display: grid;
  gap: var(--space-4);
}

.level-card {
  display: flex;
  width: 100%;
  min-height: 132px;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-2);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  color: var(--color-text);
  cursor: pointer;
  padding: var(--space-5);
  text-align: left;
  box-shadow: var(--shadow-card);
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.level-card:hover,
.level-card:focus-visible {
  border-color: var(--color-brand);
  box-shadow: var(--shadow-raised);
  transform: translateY(-4px);
}

.level-card.is-selected {
  border-color: var(--color-brand);
  background: linear-gradient(180deg, #ffffff, var(--color-brand-soft));
}

.level-card.is-locked {
  opacity: 0.66;
  cursor: not-allowed;
}

.level-card.is-locked:hover,
.level-card.is-locked:focus-visible {
  border-color: var(--color-border);
  transform: none;
}

.level-name {
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.1;
}

.level-copy {
  color: var(--color-muted);
  line-height: 1.4;
}

.level-badge {
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 30% 25%, #ffffff 0 20%, transparent 21%),
    linear-gradient(145deg, var(--color-brand-soft), #fff4ce);
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  box-shadow: inset 0 0 0 1px rgba(107, 59, 245, 0.12);
}

.level-route {
  background: rgba(107, 59, 245, 0.08);
  color: var(--color-brand-dark);
}

.start-link {
  display: inline-flex;
  min-height: var(--touch-target);
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  box-shadow: var(--shadow-button);
  color: #ffffff;
  font-weight: 900;
  padding: 0 var(--space-6);
  text-decoration: none;
  transition:
    box-shadow var(--motion-pop),
    filter var(--motion-pop),
    transform var(--motion-pop);
}

.start-link:hover,
.start-link:focus-visible {
  filter: saturate(1.06);
  transform: translateY(-2px);
}

.start-link.is-disabled {
  background: #b8c4c4;
  cursor: not-allowed;
  pointer-events: none;
}

.page-shell {
  padding-top: 28px;
}

.books-shell {
  display: grid;
  gap: var(--space-6);
}

.books-shell > .back-link {
  justify-self: start;
}

.books-hero {
  display: grid;
  gap: var(--space-4);
}

.book-card {
  display: grid;
  gap: var(--space-6);
  align-items: stretch;
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 200, 61, 0.24), transparent 28%),
    var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.book-cover {
  display: grid;
  aspect-ratio: 0.72;
  min-height: 260px;
  place-items: center;
  overflow: hidden;
  border: 2px solid rgba(107, 59, 245, 0.14);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.72),
    0 14px 30px rgba(36, 48, 68, 0.12);
}

.book-cover-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
  object-position: center;
}

.book-copy {
  display: grid;
  align-content: center;
  gap: var(--space-4);
}

.book-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.book-heading h2,
.book-copy p,
.book-points {
  margin-bottom: 0;
}

.book-price {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  border-radius: var(--radius-pill);
  background: #fff4ce;
  color: var(--color-accent-dark);
  font-weight: 900;
  padding: 0 var(--space-4);
}

.book-points {
  display: grid;
  gap: var(--space-2);
  padding-left: 20px;
  color: var(--color-muted);
  font-weight: 800;
}

.book-price-note {
  color: var(--color-brand-dark);
  font-weight: 900;
}

.book-download {
  width: min(100%, 280px);
}

.about-shell {
  display: grid;
  gap: var(--space-6);
}

.about-shell > .back-link {
  justify-self: start;
}

.about-content {
  display: grid;
  gap: var(--space-5);
}

.about-hero {
  max-width: 820px;
}

.about-hero h2 {
  color: var(--color-brand-dark);
}

.about-panel {
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 94% 10%, rgba(255, 200, 61, 0.16), transparent 30%),
    var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.about-panel h2,
.about-panel p,
.about-panel ul {
  margin-bottom: var(--space-4);
}

.about-panel > :last-child {
  margin-bottom: 0;
}

.about-panel ul {
  display: grid;
  gap: var(--space-2);
  padding-left: 20px;
  color: var(--color-muted);
  font-weight: 800;
}

.about-feature-grid {
  display: grid;
  gap: var(--space-4);
}

.about-feature-grid section {
  border: 1px solid rgba(107, 59, 245, 0.12);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: var(--space-4);
}

.about-feature-grid h3 {
  margin: 0 0 var(--space-2);
}

.about-feature-grid p {
  margin: 0;
  color: var(--color-muted);
}

.about-start {
  display: grid;
  gap: var(--space-4);
}

.about-start .primary-button {
  width: min(100%, 260px);
}

.worksheets-shell {
  display: grid;
  gap: var(--space-7);
}

.worksheets-shell > .back-link {
  justify-self: start;
}

.worksheets-hero {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

.worksheets-hero .hero-text {
  margin-bottom: 0;
}

.worksheet-hero-card {
  display: grid;
  min-height: 180px;
  align-content: center;
  justify-items: center;
  gap: var(--space-2);
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 80% 16%, rgba(255, 200, 61, 0.26), transparent 34%),
    var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
  text-align: center;
}

.worksheet-hero-icon {
  display: grid;
  width: 74px;
  height: 74px;
  place-items: center;
  border-radius: 24px;
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 900;
}

.worksheet-hero-card strong {
  font-size: 1.45rem;
}

.worksheet-hero-card span:last-child {
  color: var(--color-muted);
  font-weight: 800;
}

.worksheet-section {
  display: grid;
  gap: var(--space-4);
}

.worksheet-grid {
  display: grid;
  gap: var(--space-4);
}

.worksheet-card {
  position: relative;
  display: grid;
  overflow: hidden;
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 94% 8%, rgba(255, 200, 61, 0.18), transparent 26%),
    var(--gradient-card);
  box-shadow: var(--shadow-card);
}

.worksheet-card.is-premium {
  background:
    radial-gradient(circle at 94% 8%, rgba(255, 111, 174, 0.16), transparent 26%),
    var(--gradient-card);
}

.worksheet-preview {
  display: block;
  width: 100%;
  aspect-ratio: 1.38;
  background: #ffffff;
  object-fit: cover;
}

.worksheet-card-copy {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
}

.worksheet-card-copy h3,
.worksheet-card-copy p {
  margin-bottom: 0;
}

.worksheet-card-copy p {
  color: var(--color-muted);
  line-height: 1.5;
}

.worksheet-badge {
  display: inline-flex;
  width: fit-content;
  min-height: 32px;
  align-items: center;
  border-radius: var(--radius-pill);
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
  font-size: 0.82rem;
  font-weight: 900;
  padding: 0 12px;
}

.worksheet-badge-premium {
  background: #fff4ce;
  color: var(--color-accent-dark);
}

.worksheet-lock {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: var(--radius-pill);
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(36, 48, 68, 0.14);
  font-size: 1.18rem;
}

.worksheet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-1);
}

.worksheet-actions .primary-button,
.worksheet-actions .secondary-button {
  min-height: 46px;
  padding-inline: var(--space-4);
}

.worksheet-promo,
.parent-info {
  display: grid;
  gap: var(--space-4);
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 90% 12%, rgba(139, 195, 74, 0.2), transparent 30%),
    #ffffff;
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.worksheet-promo p,
.parent-info p {
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 0;
}

.worksheet-promo .primary-button {
  width: min(100%, 230px);
}

.parent-info-grid {
  display: grid;
  gap: var(--space-4);
}

.parent-info-grid article {
  border: 1px solid rgba(107, 59, 245, 0.12);
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  padding: var(--space-4);
}

.parent-info-grid strong {
  display: block;
  margin-bottom: var(--space-2);
}

.contact-shell {
  display: grid;
  gap: var(--space-6);
}

.contact-shell > .back-link {
  justify-self: start;
}

.contact-hero {
  max-width: 760px;
}

.contact-grid {
  display: grid;
  gap: var(--space-4);
}

.contact-panel {
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 92% 8%, rgba(255, 200, 61, 0.18), transparent 28%),
    var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.contact-panel h2 {
  margin-bottom: var(--space-4);
}

.contact-details {
  display: grid;
  gap: var(--space-4);
  margin: 0;
}

.contact-details div {
  display: grid;
  gap: 4px;
}

.contact-details dt {
  color: var(--color-muted);
  font-weight: 900;
}

.contact-details dd {
  margin: 0;
  font-weight: 900;
}

.contact-details a {
  color: var(--color-brand-dark);
}

.contact-topic-list {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding-left: 20px;
  color: var(--color-muted);
  font-weight: 800;
}

.contact-form-panel,
.faq-panel,
.social-panel {
  display: grid;
  gap: var(--space-4);
}

.contact-form {
  display: grid;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  gap: 8px;
  color: var(--color-muted);
  font-weight: 900;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: 2px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--color-text);
  font: inherit;
  font-weight: 800;
  padding: 13px 14px;
}

.form-row textarea {
  resize: vertical;
}

.contact-submit {
  width: min(100%, 280px);
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-list details {
  border: 1px solid rgba(107, 59, 245, 0.14);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: var(--space-4);
}

.faq-list summary {
  color: var(--color-text);
  cursor: pointer;
  font-weight: 900;
}

.faq-list p {
  margin: var(--space-3) 0 0;
  color: var(--color-muted);
}

.social-panel p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.roadmap-shell {
  width: min(100%, 1040px);
}

.back-link {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--color-brand-dark);
  font-weight: 800;
  text-decoration: none;
}

.roadmap-hero {
  display: grid;
  gap: 16px;
  align-items: stretch;
  margin-bottom: 28px;
}

.roadmap-hero-copy {
  position: relative;
  overflow: hidden;
  min-height: 230px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 82% 18%, rgba(255, 200, 61, 0.45), transparent 28%),
    radial-gradient(circle at 18% 82%, rgba(255, 111, 174, 0.24), transparent 34%),
    linear-gradient(135deg, var(--color-brand), #0e8294 58%, #243044);
  color: #ffffff;
  padding: 24px;
}

.roadmap-hero-copy::after {
  content: "ا ب ت";
  position: absolute;
  right: 18px;
  bottom: -18px;
  color: rgba(255, 255, 255, 0.16);
  direction: rtl;
  font-family: "Noto Naskh Arabic", serif;
  font-size: 6.4rem;
  font-weight: 700;
  line-height: 1;
}

.roadmap-hero-copy .eyebrow,
.roadmap-hero-copy .hero-text,
.roadmap-hero-copy h1 {
  color: #ffffff;
}

.roadmap-hero-copy h1 {
  position: relative;
  z-index: 1;
  margin-bottom: 12px;
}

.roadmap-hero-copy .hero-text {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin-bottom: 0;
}

.roadmap-progress-card {
  display: grid;
  align-content: center;
  gap: 12px;
  min-height: 190px;
  border: 1px solid rgba(107, 59, 245, 0.18);
  border-radius: var(--radius-xl);
  background: var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: 22px;
}

.roadmap-progress-card strong {
  font-size: 3.2rem;
  line-height: 1;
}

.roadmap-progress-card p {
  margin-bottom: 0;
  color: var(--color-muted);
  font-weight: 800;
}

.roadmap-progress-label {
  color: var(--color-brand-dark);
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
}

.roadmap-path-section {
  position: relative;
}

.roadmap-list {
  display: grid;
  gap: 22px;
  width: min(100%, 680px);
  margin: 22px auto 0;
  padding: 0;
  list-style: none;
}

.roadmap-item {
  position: relative;
  border: 2px solid rgba(107, 59, 245, 0.14);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  box-shadow:
    0 8px 0 rgba(36, 48, 68, 0.08),
    var(--shadow-card);
  overflow: hidden;
}

.roadmap-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 8px;
  background: var(--roadmap-color, var(--color-brand));
}

.roadmap-item::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -26px;
  width: 8px;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--roadmap-color, var(--color-brand)), rgba(107, 59, 245, 0.14));
  transform: translateX(-50%);
}

.roadmap-item:last-child::after {
  display: none;
}

.roadmap-step-1 {
  --roadmap-color: var(--color-accent);
}

.roadmap-step-2 {
  --roadmap-color: var(--color-brand);
}

.roadmap-step-3 {
  --roadmap-color: var(--color-coral);
}

.roadmap-step-4 {
  --roadmap-color: var(--color-lavender);
}

.roadmap-step-5 {
  --roadmap-color: var(--color-leaf);
}

.roadmap-step-6 {
  --roadmap-color: #ff9d4d;
}

.roadmap-link {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
  min-height: 100%;
  color: var(--color-text);
  padding: 28px 20px 20px;
  text-decoration: none;
}

.roadmap-link:hover,
.roadmap-link:focus-visible {
  background: rgba(107, 59, 245, 0.06);
}

.roadmap-link strong,
.roadmap-item strong {
  display: block;
  margin-bottom: 4px;
}

.roadmap-link span,
.roadmap-item span {
  color: var(--color-muted);
  line-height: 1.5;
}

.roadmap-node {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border-radius: 28px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.9) 0 18%, transparent 19%),
    var(--roadmap-color, var(--color-brand));
  color: #ffffff !important;
  box-shadow:
    inset 0 -6px 0 rgba(36, 48, 68, 0.14),
    0 10px 20px color-mix(in srgb, var(--roadmap-color, var(--color-brand)) 28%, transparent);
  font-size: 0.88rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.roadmap-card-copy,
.roadmap-card-meta {
  display: grid;
  gap: 6px;
}

.roadmap-card-meta {
  grid-column: 2;
}

.roadmap-stars,
.roadmap-stars span {
  color: var(--color-accent-dark) !important;
  direction: ltr;
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1;
}

.roadmap-item.is-locked {
  opacity: 0.68;
}

.roadmap-item.is-locked .roadmap-node {
  background: linear-gradient(180deg, #cfd8e3, #aeb9c8);
  box-shadow:
    inset 0 -6px 0 rgba(36, 48, 68, 0.12),
    0 10px 20px rgba(36, 48, 68, 0.08);
}

.roadmap-item.is-locked .roadmap-link {
  cursor: not-allowed;
}

.roadmap-item.is-complete {
  border-color: rgba(107, 59, 245, 0.32);
  background:
    linear-gradient(180deg, #ffffff, var(--color-brand-soft));
}

.roadmap-link em {
  background: rgba(107, 59, 245, 0.08);
  color: var(--color-brand-dark);
  font-style: normal;
}

.roadmap-item.is-locked .roadmap-link em {
  background: #f1f3f4;
  color: var(--color-muted);
}

.letters-grid,
.vowels-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: 28px;
}

.letters-grid {
  direction: rtl;
}

.letter-card,
.vowel-card {
  display: grid;
  gap: var(--space-4);
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.vowel-card {
  position: relative;
  overflow: hidden;
  border-color: rgba(107, 59, 245, 0.18);
  background:
    radial-gradient(circle at top right, rgba(255, 200, 61, 0.22), transparent 46%),
    var(--gradient-card);
  box-shadow: var(--shadow-card);
}

.vowel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-brand), var(--color-coral));
}

.letter-card {
  direction: ltr;
  position: relative;
  overflow: hidden;
  border-color: #ded6c7;
  background: var(--gradient-card);
  box-shadow: var(--shadow-card);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.letter-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: linear-gradient(90deg, var(--color-brand), var(--color-accent));
}

.letter-card:hover,
.letter-card:focus-within {
  border-color: rgba(107, 59, 245, 0.34);
  box-shadow: var(--shadow-raised);
  transform: translateY(-4px);
}

.letter-card:hover .letter-symbol,
.letter-card:focus-within .letter-symbol {
  animation: bounceSoft 720ms var(--ease-bounce) both;
}

.letter-symbol,
.vowel-symbol {
  margin: 0;
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
  transform-origin: center;
}

.letter-card:nth-child(3n + 1) .letter-symbol {
  animation: floatSoft 4.2s ease-in-out infinite;
}

.letter-card:nth-child(3n + 2) .letter-symbol {
  animation: floatSoft 4.8s ease-in-out 400ms infinite;
}

.letter-card:nth-child(3n + 3) .letter-symbol {
  animation: floatSoft 5.1s ease-in-out 700ms infinite;
}

.letter-card:nth-child(2),
.vowel-card:nth-child(2) {
  animation-delay: 40ms;
}

.letter-card:nth-child(3),
.vowel-card:nth-child(3) {
  animation-delay: 80ms;
}

.letter-card:nth-child(4),
.vowel-card:nth-child(4) {
  animation-delay: 120ms;
}

.letter-card:nth-child(5),
.vowel-card:nth-child(5) {
  animation-delay: 160ms;
}

.letter-card h2,
.vowel-card h2 {
  margin-bottom: 2px;
}

.letter-meta {
  margin-bottom: 0;
  color: var(--color-muted);
}

.letter-audio {
  width: 100%;
}

.letter-audio-button {
  min-height: 56px;
}

.letter-card-actions {
  display: grid;
  gap: 10px;
}

.letter-write-button {
  min-height: 56px;
  border-color: rgba(107, 59, 245, 0.16);
  background:
    linear-gradient(135deg, rgba(107, 59, 245, 0.1), rgba(77, 182, 255, 0.14)),
    #ffffff;
  color: #4d2ac0;
  text-decoration: none;
}

.letter-write-button:hover,
.letter-write-button:focus-visible {
  border-color: rgba(107, 59, 245, 0.3);
  box-shadow: 0 8px 0 rgba(107, 59, 245, 0.14), var(--shadow-raised);
}

.letters-scroll-button {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 18;
  display: inline-flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(77, 42, 192, 0.2);
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 10px 0 rgba(77, 42, 192, 0.18), var(--shadow-soft);
  color: #ffffff;
  cursor: pointer;
  text-decoration: none;
  transition:
    box-shadow var(--motion-pop),
    transform var(--motion-pop);
}

.letters-scroll-button svg {
  fill: none;
  pointer-events: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
  transition: transform var(--motion-normal) var(--ease-soft);
}

.letters-scroll-button.is-up svg {
  transform: rotate(180deg);
}

.letters-scroll-button:hover,
.letters-scroll-button:focus-visible {
  box-shadow: 0 7px 0 rgba(77, 42, 192, 0.18), var(--shadow-raised);
  transform: translateY(3px);
}

#letters-page-bottom {
  display: block;
  height: 1px;
}

.vowel-example {
  margin-bottom: 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 800;
  padding-top: 12px;
}

.practice-section {
  margin-top: var(--space-8);
}

.letter-sounds-index {
  display: grid;
  direction: rtl;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.letter-index-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  box-shadow: var(--shadow-card);
  color: var(--color-text);
  direction: ltr;
  padding: 14px;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.letter-index-card:hover,
.letter-index-card:focus-visible {
  border-color: rgba(107, 59, 245, 0.38);
  box-shadow: var(--shadow-raised);
  transform: translateY(-4px);
}

.letter-index-symbol {
  display: grid;
  width: 68px;
  height: 68px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 30% 25%, #ffffff 0 20%, transparent 21%),
    linear-gradient(145deg, #dff7f1, #fff0bf);
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
}

.letter-index-copy {
  display: grid;
  gap: 3px;
}

.letter-index-copy span {
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.letter-detail-hero,
.forms-section {
  position: relative;
}

.letter-forms {
  display: grid;
  direction: rtl;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.letter-form-card {
  display: grid;
  min-height: 168px;
  place-items: center;
  border: 1px solid rgba(107, 59, 245, 0.18);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: 18px;
}

.letter-form-symbol {
  margin: 0;
  color: #111827;
  font-family: "Noto Naskh Arabic", serif;
  font-size: 5.2rem;
  font-weight: 700;
  line-height: 1;
}

.letter-form-label {
  margin: 6px 0 0;
  color: var(--color-muted);
  direction: ltr;
  font-weight: 800;
  text-align: center;
}

.letter-word-examples {
  margin-top: 24px;
}

.letter-word-examples h3 {
  margin: 0 0 14px;
  color: var(--color-text);
  direction: ltr;
  font-size: 1.25rem;
  text-align: left;
}

.letter-word-grid {
  display: grid;
  gap: 14px;
}

.letter-word-card {
  display: grid;
  min-height: 132px;
  place-items: center;
  border: 1px solid rgba(242, 184, 75, 0.34);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 200, 61, 0.22), transparent 34%),
    var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: 16px;
}

.letter-word-symbol {
  margin: 0;
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 4rem;
  font-weight: 700;
  line-height: 1;
}

.letter-download {
  display: flex;
  justify-content: center;
  margin-top: 22px;
}

.worksheet-download-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  overflow: hidden;
  gap: 14px;
  width: min(100%, 230px);
  min-width: min(100%, 230px);
  height: 56px;
  border: 2px solid var(--color-brand);
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  box-shadow: var(--shadow-button);
  color: #ffffff;
  padding: 0 18px 0 0;
  text-decoration: none;
  transition:
    width 400ms ease,
    min-width 400ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.worksheet-download-button:hover,
.worksheet-download-button:focus-visible {
  box-shadow: var(--shadow-raised);
  transform: translateY(-2px);
}

.worksheet-download-button.is-downloading {
  width: 56px;
  min-width: 56px;
  cursor: wait;
  padding-right: 0;
}

.worksheet-download-label {
  display: grid;
  gap: 2px;
  min-width: 126px;
  opacity: 1;
  transition: opacity 220ms ease;
}

.worksheet-download-label strong {
  font-size: 1rem;
  line-height: 1.1;
}

.worksheet-download-button small {
  color: rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.worksheet-download-button.is-downloading .worksheet-download-label {
  opacity: 0;
}

.worksheet-download-icon {
  position: relative;
  display: grid;
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  place-items: center;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  color: #ffffff;
  box-shadow: 0 10px 22px rgba(107, 59, 245, 0.2);
  z-index: 2;
  transition:
    transform 400ms ease,
    background-color 180ms ease;
}

.worksheet-download-button.is-downloading .worksheet-download-icon {
  animation: worksheetIconPulse 1000ms ease-in-out infinite;
}

.worksheet-progress-fill {
  position: absolute;
  inset: auto 0 0;
  height: 0;
  border-radius: 999px;
  background: #063f43;
  z-index: 1;
}

.worksheet-download-button.is-downloading .worksheet-progress-fill {
  animation: worksheetProgress 3000ms ease-in-out forwards;
}

.worksheet-download-svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  z-index: 3;
  transition: opacity 200ms ease;
}

.worksheet-download-button.is-downloading .worksheet-download-svg {
  opacity: 0;
}

.worksheet-loading-block {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: #ffffff;
  opacity: 0;
  z-index: 3;
  transition: opacity 200ms ease;
}

.worksheet-download-button.is-downloading .worksheet-loading-block {
  opacity: 1;
}

.worksheet-spinner-dot {
  position: absolute;
  inset: 0;
  width: 8px;
  height: 8px;
  margin: auto;
  border-radius: 999px;
  background: #ffffff;
  opacity: 0;
  pointer-events: none;
  z-index: 4;
}

.worksheet-download-button.is-downloading .worksheet-spinner-dot {
  animation: worksheetOrbit 3000ms ease-in-out forwards;
  opacity: 1;
}

.sounds-grid {
  display: grid;
  direction: rtl;
  gap: var(--space-4);
  margin-top: 28px;
}

.sounds-grid-detail {
  grid-template-columns: 1fr;
}

.sound-letter-card {
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  box-shadow: var(--shadow-card);
  direction: ltr;
  padding: 18px;
}

.sound-letter-heading {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: 18px;
}

.sounds-grid-detail .sound-letter-heading {
  direction: rtl;
  justify-content: flex-start;
  text-align: right;
}

.sounds-grid-detail .sound-letter-copy {
  direction: ltr;
  text-align: right;
}

.sound-letter-symbol {
  display: grid;
  width: 70px;
  height: 70px;
  place-items: center;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(145deg, var(--color-brand-soft), #fff3d4);
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1;
  margin: 0;
}

.sound-buttons {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sound-button {
  display: grid;
  min-height: 128px;
  gap: 4px;
  place-items: center;
  border: 2px solid rgba(107, 59, 245, 0.13);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  color: var(--color-text);
  cursor: pointer;
  padding: 12px;
  text-align: center;
  transition:
    border-color 160ms ease,
    transform 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
}

.sound-button:nth-child(4n + 1) {
  border-top-color: var(--color-accent);
}

.sound-button:nth-child(4n + 2) {
  border-top-color: var(--color-brand);
}

.sound-button:nth-child(4n + 3) {
  border-top-color: var(--color-coral);
}

.sound-button:nth-child(4n + 4) {
  border-top-color: var(--color-lavender);
}

.sound-button:hover,
.sound-button:focus-visible,
.sound-button.is-playing {
  border-color: var(--color-brand);
  background: linear-gradient(180deg, #ffffff, var(--color-brand-soft));
  box-shadow: var(--shadow-raised);
  transform: translateY(-4px);
}

.sound-button.is-loading {
  border-color: var(--color-accent);
  background:
    linear-gradient(180deg, #ffffff, #fff8e7);
  cursor: progress;
}

.sound-button.is-missing {
  border-color: #e6b8b8;
  background: #fff1f1;
}

.sound-example {
  display: grid;
  min-width: 58px;
  min-height: 58px;
  place-items: center;
  border-radius: var(--radius-lg);
  background: rgba(107, 59, 245, 0.08);
  color: var(--color-brand-dark);
  font-family: "Noto Naskh Arabic", serif;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
}

.sound-name,
.sound-copy,
.sound-status {
  direction: ltr;
}

.sound-name {
  font-weight: 800;
}

.sound-copy {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.sound-status {
  color: #a06a00;
  font-size: 0.78rem;
  font-weight: 800;
}

.sound-button.is-loading .sound-status {
  color: #7a5200;
}

.sound-button.is-missing .sound-status {
  color: #b42318;
}

.quiz-card {
  display: grid;
  gap: var(--space-5);
  margin-top: 28px;
  border: 1px solid rgba(107, 59, 245, 0.16);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.quiz-controls {
  display: grid;
  gap: var(--space-3);
}

.quiz-controls label {
  display: grid;
  gap: 6px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.quiz-controls select {
  min-height: var(--touch-target);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  color: var(--color-text);
  font: inherit;
  font-weight: 800;
  padding: 0 12px;
}

.quiz-progress {
  display: grid;
  gap: var(--space-2);
}

.quiz-progress-copy {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 800;
}

.quiz-audio-button {
  min-height: 74px;
}

.quiz-choices {
  direction: rtl;
}

.quiz-result {
  display: grid;
  gap: 14px;
}

.pwa-update-notice {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
  border: 1px solid rgba(107, 59, 245, 0.24);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  color: var(--color-text);
  font-weight: 800;
  padding: 12px;
}

.pwa-update-notice button {
  min-height: 44px;
  flex: 0 0 auto;
  border: 0;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  color: #ffffff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0 12px;
}

.letter-page-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.letter-page-arrow,
.letter-page-number {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border: 1px solid rgba(36, 48, 68, 0.12);
  border-radius: 10px;
  background: #ffffff;
  color: rgba(17, 24, 39, 0.72);
  font-weight: 800;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.letter-page-arrow {
  width: 44px;
  height: 44px;
  border-color: transparent;
  background: transparent;
}

.letter-page-arrow svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 2;
}

.letter-page-numbers {
  display: flex;
  max-width: min(100%, 620px);
  gap: 8px;
  overflow-x: auto;
  padding: 4px;
  scrollbar-width: thin;
}

.letter-page-number {
  width: 38px;
  height: 38px;
}

.letter-page-number.is-current {
  border-color: var(--color-brand);
  background: var(--color-brand);
  color: #ffffff;
}

.letter-page-arrow.is-disabled {
  opacity: 0.42;
  pointer-events: none;
}

.letter-page-arrow:hover,
.letter-page-arrow:focus-visible,
.letter-page-number:hover,
.letter-page-number:focus-visible {
  background: rgba(107, 59, 245, 0.08);
  border-color: rgba(107, 59, 245, 0.22);
  color: var(--color-brand-dark);
  transform: scale(0.96);
}

.letter-page-number.is-current:hover,
.letter-page-number.is-current:focus-visible {
  background: var(--color-brand);
  color: #ffffff;
}

@media (max-width: 719px) {
  body {
    padding-bottom: env(safe-area-inset-bottom);
  }

  .footer-container {
    text-align: center;
  }

  .footer-socials {
    justify-content: center;
  }

  .footer-links ul,
  .footer-newsletter form {
    justify-items: center;
  }

  .footer-newsletter input,
  .footer-newsletter button {
    width: min(100%, 320px);
  }

  .mascot-root {
    top: max(92px, env(safe-area-inset-top));
    right: max(10px, env(safe-area-inset-right));
    width: min(280px, calc(100vw - 20px));
  }

  .mascot {
    gap: var(--space-2);
  }

  .mascot-svg {
    width: 68px;
    height: 68px;
  }

  .mascot-bubble {
    max-width: 168px;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    padding: 10px 12px;
  }

  .mascot-bubble small {
    font-size: 0.72rem;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding-top: max(18px, env(safe-area-inset-top));
  }

  .site-nav {
    justify-content: flex-start;
  }

  .site-nav a {
    padding-inline: 8px;
  }

  .roadmap-shell {
    padding: 18px 14px 44px;
  }

  .roadmap-hero-copy {
    min-height: 220px;
    padding: 22px 18px;
  }

  .roadmap-hero-copy h1 {
    font-size: 3rem;
  }

  .roadmap-progress-card {
    min-height: 150px;
  }

  .roadmap-link {
    grid-template-columns: 58px minmax(0, 1fr);
    padding: 24px 14px 16px;
  }

  .roadmap-node {
    width: 58px;
    height: 58px;
    border-radius: 22px;
    font-size: 0.78rem;
  }
}

@media (min-width: 720px) {
  .site-header {
    padding: 28px 32px 12px;
  }

  main {
    padding-inline: 32px;
  }

  .hero {
    padding-top: 48px;
  }

  h1 {
    font-size: 4.25rem;
  }

  .hero-home {
    padding: 300px 32px 64px;
  }

  .hero-home.levels-hero {
    padding: clamp(56px, 8vw, 96px) 32px 64px;
  }

  .hero-home h1 {
    font-size: 5.05rem;
  }

  .letter-arc {
    top: 48px;
    width: min(1320px, 104vw);
    height: 440px;
  }

  .letter-arc span {
    border-radius: 28px;
    font-size: 5rem;
  }

  .floating-letter {
    width: 86px;
    height: 86px;
    border-radius: 24px;
    font-size: 3.3rem;
  }

  .hero-home .arabic-welcome {
    font-size: 4.4rem;
  }

  .level-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .roadmap-hero {
    grid-template-columns: minmax(0, 1fr) 290px;
  }

  .roadmap-list {
    grid-template-columns: 1fr;
  }

  .roadmap-item:nth-child(even) {
    margin-left: 72px;
  }

  .roadmap-item:nth-child(odd) {
    margin-right: 72px;
  }

  .letters-grid,
  .vowels-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .book-card {
    grid-template-columns: 340px minmax(0, 1fr);
  }

  .about-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .worksheets-hero {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .worksheet-grid,
  .parent-info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .parent-info-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .worksheet-promo {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .contact-grid,
  .contact-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-row-full,
  .contact-submit {
    grid-column: 1 / -1;
  }

  .letters-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .letter-sounds-index {
    grid-template-columns: repeat(3, 1fr);
  }

  .letter-forms {
    grid-template-columns: repeat(4, 1fr);
  }

  .letter-word-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sounds-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sounds-grid-detail {
    grid-template-columns: 1fr;
  }

  .letter-page-number {
    width: 48px;
    height: 48px;
  }
}

@keyframes floatLetter {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-18px) rotate(5deg);
  }
}

@keyframes arcTravel {
  0%,
  100% {
    transform: translateX(calc(-50% - 42px));
  }

  50% {
    transform: translateX(calc(-50% + 42px));
  }
}

@keyframes arcLetterIn {
  from {
    opacity: 0;
    transform: translate(-50%, calc(-50% + 28px)) rotate(var(--rotate)) scale(0.86);
  }

  to {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(var(--rotate)) scale(1);
  }
}

@keyframes arcLetterFloat {
  0%,
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(var(--rotate));
  }

  50% {
    opacity: 1;
    transform: translate(-50%, calc(-50% - 12px)) rotate(calc(var(--rotate) + 4deg));
  }
}

@keyframes worksheetProgress {
  from {
    height: 0;
  }

  to {
    height: 100%;
  }
}

@keyframes worksheetIconPulse {
  0%,
  100% {
    transform: rotate(180deg) scale(0.96);
  }

  70% {
    transform: rotate(180deg) scale(1);
  }
}

@keyframes worksheetOrbit {
  0% {
    transform: translate(0, 0);
  }

  25% {
    transform: translate(27px, -27px);
  }

  50% {
    transform: translate(0, 0);
  }

  75% {
    transform: translate(-27px, 27px);
  }

  100% {
    transform: translate(0, 0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes cardEnter {
  from {
    opacity: 0;
    transform: translate3d(0, 14px, 0) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes bounceSoft {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  45% {
    transform: translate3d(0, -8px, 0) scale(1.03);
  }

  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes pulseSoft {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  48% {
    transform: translate3d(0, 0, 0) scale(1.045);
  }
}

@keyframes floatSoft {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(0, -6px, 0);
  }
}

@keyframes tapPop {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  45% {
    transform: translate3d(0, 1px, 0) scale(0.96);
  }

  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes correctPop {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  34% {
    transform: translate3d(0, -10px, 0) scale(1.08) rotate(-1deg);
  }

  66% {
    transform: translate3d(0, 2px, 0) scale(0.99) rotate(1deg);
  }

  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes feedbackRing {
  0% {
    opacity: 0;
    transform: scale(0.82);
  }

  18% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: scale(1.16);
  }
}

@keyframes quizPoppetPop {
  0% {
    opacity: 0;
    transform: translate(-50%, -86%) scale(0.7);
  }

  18% {
    opacity: 1;
    transform: translate(-50%, -120%) scale(1.08);
  }

  72% {
    opacity: 1;
    transform: translate(-50%, -112%) scale(1);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -132%) scale(0.96);
  }
}

@keyframes shakeSoft {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  18% {
    transform: translate3d(-8px, 0, 0) rotate(-1deg);
  }

  42% {
    transform: translate3d(7px, 0, 0) rotate(1deg);
  }

  68% {
    transform: translate3d(-4px, 0, 0) rotate(-0.5deg);
  }
}

@keyframes unlockPop {
  0% {
    opacity: 0;
    transform: translate3d(0, 18px, 0) scale(0.94);
  }

  58% {
    opacity: 1;
    transform: translate3d(0, -4px, 0) scale(1.03);
  }

  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes confettiDrift {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) rotate(0deg) scale(0.8);
  }

  18% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate3d(var(--dx), var(--dy), 0) rotate(var(--rotate)) scale(1);
  }
}

@keyframes starPop {
  0% {
    opacity: 0;
    transform: translate3d(0, 6px, 0) scale(0.6) rotate(-12deg);
  }

  30% {
    opacity: 1;
    transform: translate3d(0, -4px, 0) scale(1.12) rotate(8deg);
  }

  100% {
    opacity: 0;
    transform: translate3d(0, -18px, 0) scale(0.92) rotate(18deg);
  }
}

@keyframes mascotEnter {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes mascotFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }

  45% {
    transform: translate3d(0, -8px, 0) rotate(-2deg);
  }

  70% {
    transform: translate3d(0, -3px, 0) rotate(2deg);
  }
}

@keyframes mascotNod {
  0%,
  100% {
    transform: rotate(0deg) scale(1);
  }

  44% {
    transform: rotate(-4deg) scale(1.02);
  }

  72% {
    transform: rotate(3deg) scale(1.01);
  }
}

@keyframes mascotBookBounce {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scaleX(1);
  }

  50% {
    transform: translate3d(0, 3px, 0) scaleX(1.04);
  }
}

@keyframes mascotStarTwinkle {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(0.86) rotate(-8deg);
  }

  48% {
    opacity: 1;
    transform: scale(1.18) rotate(10deg);
  }
}

@keyframes mascotBubblePulse {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(-3px, 0, 0) scale(1.015);
  }
}

@keyframes mascotCelebrate {
  0% {
    transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
  }

  28% {
    transform: translate3d(0, -14px, 0) scale(1.12) rotate(-6deg);
  }

  58% {
    transform: translate3d(0, 4px, 0) scale(0.98) rotate(5deg);
  }

  100% {
    transform: translate3d(0, 0, 0) scale(1) rotate(0deg);
  }
}

@keyframes mascotBubblePop {
  0% {
    transform: translate3d(10px, 0, 0) scale(0.92);
  }

  42% {
    transform: translate3d(-8px, 0, 0) scale(1.08);
  }

  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

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

  .mascot-svg,
  .mascot-head,
  .mascot-book,
  .mascot-star,
  .mascot-bubble,
  .letter-card .letter-symbol {
    animation: none !important;
  }

  .confetti-piece,
  .star-piece,
  .quiz-poppet,
  .success-sparkle {
    display: none !important;
  }
}

/* File Action Buttons - Download, Print, Share */
.file-action-buttons {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
  flex-wrap: wrap;
}

.file-action-buttons-vertical {
  flex-direction: column;
}

.file-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 52px;
  border: 2px solid var(--color-brand);
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, rgba(107, 59, 245, 0.1), rgba(77, 182, 255, 0.14));
  color: var(--color-brand-dark);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  padding: 0 var(--space-4);
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.file-action-btn:hover,
.file-action-btn:focus-visible {
  background: var(--gradient-brand);
  color: #ffffff;
  box-shadow: 0 8px 0 rgba(107, 59, 245, 0.18), var(--shadow-card);
  transform: translateY(-2px);
}

.file-action-btn:active {
  box-shadow: 0 3px 0 rgba(107, 59, 245, 0.14);
  transform: translateY(3px);
}

.file-action-btn[aria-busy="true"] {
  opacity: 0.7;
  pointer-events: none;
}

.file-action-icon {
  display: inline-flex;
  font-size: 1.2rem;
  line-height: 1;
}

.file-action-label {
  font-size: 0.95rem;
  font-weight: 800;
}

.file-action-download {
  border-color: var(--color-brand);
  background: linear-gradient(135deg, rgba(107, 59, 245, 0.1), rgba(77, 182, 255, 0.14));
  color: var(--color-brand-dark);
}

.file-action-print {
  border-color: var(--color-accent-dark);
  background: linear-gradient(135deg, rgba(255, 200, 61, 0.1), rgba(255, 111, 174, 0.14));
  color: var(--color-accent-dark);
}

.file-action-print:hover,
.file-action-print:focus-visible {
  background: linear-gradient(135deg, #ffc83d, #ff6fae);
  border-color: var(--color-accent-dark);
  color: #ffffff;
}

.file-action-share {
  border-color: var(--color-leaf);
  background: linear-gradient(135deg, rgba(139, 195, 74, 0.1), rgba(155, 230, 88, 0.14));
  color: #4d7c0f;
}

.file-action-share:hover,
.file-action-share:focus-visible {
  background: linear-gradient(135deg, #8bc34a, #9be658);
  border-color: var(--color-leaf);
  color: #ffffff;
}

@media (max-width: 719px) {
  .file-action-buttons {
    width: 100%;
    gap: var(--space-2);
  }

  .file-action-btn {
    flex: 1;
    min-width: 90px;
    font-size: 0.9rem;
    padding: 0 var(--space-3);
  }

  .file-action-label {
    font-size: 0.85rem;
  }

  .file-action-icon {
    font-size: 1rem;
  }
}