/* Maths with Numbo — friendly math theme */
@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
  --teal: #2a9d8f;
  --teal-dark: #21867a;
  --orange: #ff9f43;
  --orange-dark: #f0860f;
  --navy: #1d3557;
  --navy-dark: #16283f;
  --cream: #f7faf9;
  --cream-soft: #eef7f5;
  --ink: #213547;
  --ink-soft: #64717e;
  --gray-light: #e7edf0;
  --border: #dfe8ea;
  --green: #4caf82;
  --white: #ffffff;

  --shadow-sm: 0 2px 6px rgba(33,53,71,0.08);
  --shadow-md: 0 6px 20px rgba(33,53,71,0.12);
  --shadow-lg: 0 12px 36px rgba(33,53,71,0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: 0.22s ease;

  --font: 'Sarabun', sans-serif;
  --font-display: 'Baloo 2', 'Sarabun', sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.25; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }
.text-center { text-align: center; }
.d-none { display: none !important; }

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; border: none;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-dark); }
.btn-secondary { background: var(--navy); color: var(--white); }
.btn-secondary:hover { background: var(--navy-dark); }
.btn-yellow { background: var(--orange); color: var(--white); }
.btn-yellow:hover { background: var(--orange-dark); }
.btn-outline { background: transparent; color: var(--teal); border: 2px solid var(--teal); box-shadow: none; }
.btn-outline:hover { background: var(--teal); color: var(--white); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 18px; font-size: 0.9rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: var(--shadow-sm); }

/* ── Navbar ──────────────────────────────────────────────────────── */
.navbar {
  background: var(--white); border-bottom: 3px solid var(--orange);
  position: sticky; top: 0; z-index: 100;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; }
.navbar-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 1.3rem; font-weight: 800; color: var(--teal); }
.navbar-brand svg { width: 40px; height: 40px; }
.navbar-nav { display: flex; align-items: center; gap: 22px; font-weight: 600; }
.navbar-nav a { color: var(--ink-soft); transition: color var(--transition); }
.navbar-nav a:hover, .navbar-nav a.active { color: var(--teal); }
.lang-switch { display: flex; gap: 6px; }
.lang-switch a { padding: 4px 10px; border-radius: 999px; background: var(--gray-light); font-size: 0.85rem; font-weight: 700; }
.lang-switch a.active { background: var(--navy); color: var(--white); }
.navbar-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--ink); }

@media (max-width: 820px) {
  .navbar-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--white);
    flex-direction: column; align-items: flex-start; padding: 16px 20px; gap: 14px;
    box-shadow: var(--shadow-md); display: none; }
  .navbar-nav.open { display: flex; }
  .navbar-toggle { display: block; }
}

/* ── Hero ────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--teal) 100%);
  color: var(--white); padding: 60px 0 80px; position: relative; overflow: hidden;
}
.hero .container { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.hero-text { flex: 1 1 340px; }
.hero-text h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 14px; text-shadow: 0 2px 0 rgba(0,0,0,0.12); }
.hero-text p { font-size: 1.05rem; margin-bottom: 26px; opacity: 0.95; }
.hero-mascot { flex: 1 1 260px; max-width: 280px; margin: 0 auto; }

/* ── Section headings ───────────────────────────────────────────── */
.section { padding: 56px 0; }
.section-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; }
.section-heading h2 { font-size: 1.6rem; color: var(--ink); }
.section-heading::before { content: ''; width: 8px; height: 32px; background: var(--orange); border-radius: 4px; }

/* ── Course picker ───────────────────────────────────────────────── */
.course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.course-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 30px;
  box-shadow: var(--shadow-sm); border: 2px solid var(--border); text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 14px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--teal); }
.course-card-badge {
  font-family: var(--font-display); font-weight: 800; font-size: 1.15rem; color: var(--white);
  background: var(--navy); padding: 8px 22px; border-radius: 999px;
}
.course-card-desc { color: var(--ink-soft); font-size: 0.95rem; min-height: 44px; }
.course-card-progress { width: 100%; }
.course-card-progress-bar { width: 100%; height: 10px; background: var(--gray-light); border-radius: 999px; overflow: hidden; }
.course-card-progress-bar span { display: block; height: 100%; background: var(--green); border-radius: 999px; }
.course-card-progress-label { font-size: 0.8rem; color: var(--ink-soft); margin-top: 6px; }

/* ── Coming soon panel ──────────────────────────────────────────── */
.coming-soon-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 44px 30px;
  box-shadow: var(--shadow-sm); border: 2px solid var(--border); text-align: center;
  max-width: 640px; margin: 0 auto;
}
.coming-soon-card .badge-soon {
  display: inline-block; background: var(--orange); color: var(--white); font-family: var(--font-display);
  font-weight: 700; padding: 6px 20px; border-radius: 999px; margin-bottom: 16px; font-size: 0.9rem;
}
.coming-soon-card p { color: var(--ink-soft); margin: 12px 0 24px; }

/* ── Forms ───────────────────────────────────────────────────────── */
.auth-wrap { max-width: 440px; margin: 60px auto; background: var(--white); border-radius: var(--radius-lg);
  padding: 36px; box-shadow: var(--shadow-md); }
.auth-wrap h1 { text-align: center; margin-bottom: 24px; color: var(--teal); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; }
.form-group input { width: 100%; padding: 11px 14px; border-radius: var(--radius-sm); border: 2px solid var(--border);
  font-size: 1rem; font-family: var(--font); transition: border-color var(--transition); }
.form-group input:focus { outline: none; border-color: var(--teal); }
.form-error { background: #ffe8e6; color: #c0392b; padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 0.9rem; }
.form-success { background: #eafaf1; color: #2f8a5f; padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 0.9rem; }
.auth-switch { text-align: center; margin-top: 18px; font-size: 0.9rem; color: var(--ink-soft); }
.auth-switch a { color: var(--teal-dark); font-weight: 700; }

/* ── Account dashboard ──────────────────────────────────────────── */
.account-layout { display: flex; gap: 30px; align-items: flex-start; flex-wrap: wrap; }
.account-sidebar { flex: 0 0 220px; background: var(--white); border-radius: var(--radius-md); padding: 20px; box-shadow: var(--shadow-sm); }
.account-sidebar .avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--orange); margin: 0 auto 10px;
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem; font-weight: 800; color: var(--white); }
.account-nav { margin-top: 16px; display: flex; flex-direction: column; gap: 6px; }
.account-nav a { padding: 10px 14px; border-radius: var(--radius-sm); font-weight: 600; color: var(--ink-soft); }
.account-nav a.active, .account-nav a:hover { background: var(--cream-soft); color: var(--teal); }
.account-content { flex: 1 1 460px; }

/* ── Roadmap / day grid ─────────────────────────────────────────── */
.roadmap-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px; }
.day-card {
  background: var(--white); border-radius: var(--radius-md); padding: 18px 14px;
  text-align: center; box-shadow: var(--shadow-sm); border: 2px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.day-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.day-card .day-num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--teal); }
.day-card .day-title { font-size: 0.8rem; color: var(--ink-soft); margin-top: 4px; min-height: 34px; }
.day-card.is-exam { border-color: var(--orange); background: #fff6ea; }
.day-card.is-intro { border-color: var(--teal); background: #eafbf9; }
.day-card.is-intro .day-num { font-size: 1.6rem; }
.day-card.is-completed { border-color: var(--green); }
.day-card.is-completed::after { content: '✓'; position: absolute; top: -10px; right: -10px;
  width: 28px; height: 28px; background: var(--green); color: var(--white); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 800; box-shadow: var(--shadow-sm); }
.day-card.is-locked { opacity: 0.55; filter: grayscale(0.4); pointer-events: none; }
.day-card .badge { display: inline-block; margin-top: 6px; font-size: 0.7rem; font-weight: 700;
  padding: 2px 8px; border-radius: 999px; background: var(--orange); color: var(--white); }

/* ── Lesson intro / mascot bubble ───────────────────────────────── */
.mascot-intro { display: flex; align-items: flex-start; gap: 16px; background: var(--white);
  border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); margin-bottom: 30px; }
.mascot-intro .mascot-icon { width: 72px; flex-shrink: 0; }
.speech-bubble { background: var(--cream-soft); border-radius: var(--radius-md); padding: 14px 18px; flex: 1; }

/* ── Lesson content blocks ───────────────────────────────────────── */
.lesson-block { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  border: 2px solid var(--border); padding: 20px; margin-bottom: 20px; text-align: center; }
.lesson-image { max-width: 100%; width: 380px; margin: 0 auto 16px; border-radius: var(--radius-md); }
.lesson-text { font-size: 1.05rem; line-height: 1.7; display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; }
.lesson-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }

/* ── Listen (text-to-speech) button ─────────────────────────────── */
.listen-btn { flex-shrink: 0; background: var(--orange); border: none; border-radius: 999px;
  width: 34px; height: 34px; font-size: 1rem; box-shadow: var(--shadow-sm); color: var(--white);
  display: inline-flex; align-items: center; justify-content: center; }
.listen-btn:hover { background: var(--orange-dark); }

/* ── Quiz ────────────────────────────────────────────────────────── */
.quiz-question { background: var(--white); border-radius: var(--radius-md); padding: 22px; box-shadow: var(--shadow-sm);
  margin-bottom: 20px; border: 2px solid var(--border); text-align: center; }
.quiz-question .qnum { display: inline-block; background: var(--teal); color: var(--white); font-weight: 700;
  border-radius: 999px; width: 28px; height: 28px; text-align: center; line-height: 28px; margin-right: 8px; }
.quiz-question .qtext { font-size: 1.1rem; font-weight: 600; margin-bottom: 16px; display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.quiz-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.quiz-option { display: flex; align-items: center; justify-content: center; gap: 6px; background: var(--cream-soft); border: 2px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px; text-align: center; font-weight: 600; transition: all var(--transition); cursor: pointer; }
.quiz-option:hover { border-color: var(--teal); }
.quiz-option input { display: none; }
.quiz-option input:checked + span { color: var(--teal-dark); }
.quiz-result { text-align: center; background: var(--white); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-md); }
.quiz-result .score { font-family: var(--font-display); font-size: 3rem; color: var(--teal); font-weight: 800; }

/* ── Worksheet ───────────────────────────────────────────────────── */
.worksheet-header { text-align: center; margin-bottom: 30px; }
.worksheet-list { display: flex; flex-direction: column; gap: 10px; max-width: 720px; margin: 0 auto; }
.worksheet-list-row { display: flex; align-items: center; gap: 16px; background: var(--white); border-radius: var(--radius-sm);
  padding: 12px 16px; box-shadow: var(--shadow-sm); border: 2px solid var(--border); flex-wrap: wrap; }
.worksheet-list-row.is-completed { border-color: var(--green); }
.worksheet-list-row .wl-day { font-family: var(--font-display); font-size: 1.3rem; font-weight: 800; color: var(--teal);
  width: 34px; flex-shrink: 0; text-align: center; }
.worksheet-list-row .wl-title { flex: 1; font-weight: 600; }
.worksheet-list-row .wl-title .badge { display: inline-block; margin-left: 8px; font-size: 0.7rem; font-weight: 700;
  padding: 2px 8px; border-radius: 999px; background: var(--orange); color: var(--white); }
.worksheet-list-row .wl-actions { display: flex; gap: 8px; flex-shrink: 0; }
.worksheet-content { max-width: 640px; margin: 0 auto; }
.match-row { background: var(--white); border-radius: var(--radius-sm); padding: 16px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.match-row .qnum { display: inline-block; background: var(--teal); color: var(--white); font-weight: 700;
  border-radius: 999px; width: 26px; height: 26px; text-align: center; line-height: 26px; font-size: 0.85rem; }

/* ── Footer ──────────────────────────────────────────────────────── */
.site-footer { background: var(--ink); color: rgba(255,255,255,0.8); padding: 34px 0; text-align: center; margin-top: 60px; font-size: 0.9rem; }
.site-footer .mascot-mini { width: 46px; margin: 0 auto 10px; }

@media (max-width: 600px) {
  .account-layout { flex-direction: column; }
  .account-sidebar { width: 100%; }
}

/* ── Homepage experience ────────────────────────────────────────── */
.home-page { overflow: hidden; background: #f8fbfa; }
.home-hero {
  min-height: 660px;
  padding: 76px 0 82px;
  isolation: isolate;
  background:
    radial-gradient(circle at 83% 26%, rgba(255,159,67,.29), transparent 25%),
    radial-gradient(circle at 16% 90%, rgba(75,190,174,.24), transparent 29%),
    linear-gradient(125deg, var(--navy-dark) 0%, #184f63 52%, var(--teal-dark) 100%);
}
.home-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .16;
  background-image: radial-gradient(rgba(255,255,255,.9) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(90deg, #000, transparent 48%, #000);
}
.home-hero::after {
  content: '';
  position: absolute;
  width: 350px;
  height: 350px;
  top: -235px;
  left: -115px;
  z-index: -1;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 58px rgba(255,255,255,.035), 0 0 0 116px rgba(255,255,255,.025);
}
.home-hero .home-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(400px, .94fr);
  align-items: center;
  gap: 72px;
  min-height: 500px;
}
.home-hero-copy { max-width: 665px; }
.home-eyebrow, .courses-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  padding: 7px 14px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.86);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.home-eyebrow span, .courses-kicker span { color: #ffd28f; }
.home-hero .home-hero-copy h1 {
  margin: 0 0 24px;
  font-size: clamp(3.05rem, 5.35vw, 4.75rem);
  line-height: 1.04;
  letter-spacing: -.035em;
  text-shadow: 0 10px 32px rgba(10,28,44,.2);
}
.home-hero .home-hero-copy h1 span { color: #ffb461; }
.home-hero .home-hero-copy > p {
  max-width: 615px;
  margin: 0;
  color: rgba(255,255,255,.79);
  font-size: clamp(1.02rem, 1.5vw, 1.14rem);
  line-height: 1.85;
}
.home-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.home-primary-cta {
  min-height: 51px;
  padding: 12px 25px;
  background: var(--orange);
  color: #182f46;
  box-shadow: 0 10px 25px rgba(13,37,52,.24);
}
.home-primary-cta:hover { background: #ffb15e; box-shadow: 0 14px 28px rgba(13,37,52,.29); }
.home-primary-cta span { font-size: 1.2rem; transition: transform var(--transition); }
.home-primary-cta:hover span { transform: translateX(3px); }
.home-ghost-cta {
  min-height: 51px;
  border: 1px solid rgba(255,255,255,.45);
  background: rgba(255,255,255,.07);
  color: #fff;
  box-shadow: none;
  backdrop-filter: blur(8px);
}
.home-ghost-cta:hover { background: rgba(255,255,255,.14); }
.home-hero-notes { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 29px; }
.home-hero-notes > span { display: inline-flex; align-items: center; gap: 7px; color: rgba(255,255,255,.7); font-size: .78rem; font-weight: 600; }
.home-hero-notes i { display: grid; width: 18px; height: 18px; place-items: center; border-radius: 50%; background: rgba(88,219,191,.17); color: #67e2c9; font-size: .67rem; font-style: normal; }
.home-hero-symbol, .courses-hero-shape { position: absolute; z-index: 0; color: rgba(255,255,255,.075); font-family: var(--font-display); font-weight: 800; line-height: 1; pointer-events: none; }
.home-symbol-plus { top: 12%; right: 5%; font-size: 8rem; transform: rotate(12deg); }
.home-symbol-divide { bottom: 4%; left: 3%; font-size: 6rem; transform: rotate(-10deg); }
.home-symbol-times { top: 18%; left: 47%; font-size: 3rem; }

.home-hero-stage { position: relative; width: 100%; max-width: 510px; justify-self: end; }
.home-challenge-card {
  position: relative;
  overflow: hidden;
  min-height: 462px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 30px;
  background: linear-gradient(145deg, rgba(255,255,255,.16), rgba(255,255,255,.075));
  box-shadow: 0 28px 62px rgba(10,28,44,.3);
  backdrop-filter: blur(12px);
}
.home-challenge-top, .home-challenge-foot { display: flex; align-items: center; gap: 10px; padding: 18px 20px; color: rgba(255,255,255,.73); font-size: .76rem; font-weight: 600; }
.home-challenge-top { justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.14); }
.home-challenge-top span { display: inline-flex; align-items: center; gap: 8px; }
.home-challenge-top i { width: 8px; height: 8px; border-radius: 50%; background: #4ed7b7; box-shadow: 0 0 0 5px rgba(78,215,183,.13); }
.home-challenge-top b { padding: 5px 10px; border-radius: 999px; background: rgba(42,157,143,.36); color: #d7fff7; font-size: .68rem; }
.home-challenge-body { position: relative; min-height: 336px; }
.home-mascot-orbit { position: absolute; inset: 24px 65px 12px; display: grid; place-items: center; }
.home-mascot-orbit::before, .orbit-ring { content: ''; position: absolute; border: 1px solid rgba(255,255,255,.19); border-radius: 50%; }
.home-mascot-orbit::before { width: 270px; height: 270px; }
.orbit-ring { width: 195px; height: 195px; border-style: dashed; opacity: .65; }
.home-mascot-orbit .hero-mascot { position: relative; z-index: 2; width: 236px; max-width: none; margin: 0; filter: drop-shadow(0 22px 21px rgba(9,30,43,.3)); animation: numboFloat 4s ease-in-out infinite; }
.home-math-chip {
  position: absolute;
  z-index: 4;
  display: grid;
  min-width: 68px;
  min-height: 44px;
  padding: 8px 13px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 14px;
  background: rgba(20,48,65,.78);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(10,28,44,.18);
}
.chip-one { top: 45px; left: 24px; transform: rotate(-4deg); }
.chip-two { top: 43px; right: 26px; color: #ffbd70; transform: rotate(5deg); }
.chip-three { right: 25px; bottom: 37px; transform: rotate(-2deg); }
.home-answer-bubble { position: absolute; z-index: 5; left: 31px; bottom: 38px; display: flex; align-items: center; gap: 8px; padding: 9px 13px; border-radius: 15px; background: #fff; color: var(--navy); box-shadow: 0 10px 22px rgba(12,34,50,.2); transform: rotate(3deg); }
.home-answer-bubble strong { font-family: var(--font-display); font-size: 1.2rem; }
.home-answer-bubble span { display: grid; width: 20px; height: 20px; place-items: center; border-radius: 50%; background: var(--teal); color: #fff; font-size: .7rem; }
.home-challenge-foot { border-top: 1px solid rgba(255,255,255,.14); }
.home-challenge-foot span { margin-right: 5px; }
.home-challenge-foot i { flex: 1; height: 4px; border-radius: 99px; background: #4ed7b7; }
.home-challenge-foot strong { margin-left: 7px; color: #fff; font-size: .72rem; }

.home-features { padding: 96px 0 102px; background: radial-gradient(circle at 98% 10%, rgba(42,157,143,.08), transparent 23%), #f8fbfa; }
.home-heading-row { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(300px, .7fr); align-items: end; gap: 90px; margin-bottom: 46px; }
.home-page .home-section-heading { display: block; margin: 0; }
.home-page .home-section-heading::before { display: none; }
.home-section-kicker, .courses-section-heading > span {
  display: block;
  margin-bottom: 9px;
  color: var(--teal-dark);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.home-page .home-section-heading h2, .courses-section-heading h2 { font-size: clamp(2rem, 3.5vw, 2.75rem); letter-spacing: -.025em; }
.home-heading-row > p { padding-bottom: 4px; color: var(--ink-soft); font-size: .98rem; line-height: 1.8; }
.home-page .feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.home-page .feature-card {
  --feature-accent: var(--teal);
  --feature-tint: #e8f8f5;
  position: relative;
  min-height: 294px;
  padding: 27px 23px 25px;
  overflow: hidden;
  border: 1px solid rgba(35,74,82,.1);
  border-radius: 24px;
  background: rgba(255,255,255,.94);
  box-shadow: 0 12px 34px rgba(33,53,71,.075);
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.home-page .feature-card::after { content: ''; position: absolute; width: 115px; height: 115px; top: -66px; right: -55px; border-radius: 50%; background: var(--feature-tint); }
.home-page .feature-card:hover { transform: translateY(-7px); border-color: var(--feature-accent); box-shadow: 0 20px 42px rgba(33,53,71,.13); }
.home-page .feature-card-curriculum { --feature-accent: var(--orange-dark); --feature-tint: #fff2e3; }
.home-page .feature-card-practice { --feature-accent: #5178b8; --feature-tint: #edf4ff; }
.home-page .feature-card-progress { --feature-accent: var(--green); --feature-tint: #ebf8f2; }
.feature-number { position: absolute; top: 18px; right: 18px; z-index: 1; color: var(--feature-accent); font-family: var(--font-display); font-size: .83rem; font-weight: 800; opacity: .68; }
.home-page .feature-card .feature-icon { display: grid; width: 60px; height: 60px; margin: 0 0 24px; place-items: center; border: 0; border-radius: 18px; background: var(--feature-tint); color: var(--feature-accent); font-family: var(--font-display); font-size: 1.15rem; font-weight: 800; transform: rotate(-3deg); }
.home-page .feature-card .feature-icon small { font-size: .55rem; }
.home-page .feature-card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.home-page .feature-card p { color: var(--ink-soft); font-size: .88rem; line-height: 1.72; }

.home-stats { position: relative; padding: 36px 0; background: var(--navy); }
.home-stats::after { content: ''; position: absolute; inset: 0; opacity: .1; background-image: linear-gradient(90deg, transparent 49.7%, rgba(255,255,255,.5) 50%, transparent 50.3%); background-size: 115px 100%; }
.home-page .stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.home-page .stat-item { display: flex; align-items: center; justify-content: center; gap: 14px; min-height: 68px; padding: 0 25px; border-right: 1px solid rgba(255,255,255,.13); text-align: left; }
.home-page .stat-item:last-child { border-right: 0; }
.stat-icon { display: grid; width: 44px; height: 44px; flex: 0 0 44px; place-items: center; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; background: rgba(255,255,255,.07); color: #72d9cc; font-family: var(--font-display); font-weight: 800; }
.home-page .stat-num { color: var(--orange); font-family: var(--font-display); font-size: 1.85rem; font-weight: 800; line-height: 1; }
.home-page .stat-label { margin-top: 6px; color: rgba(255,255,255,.65); font-size: .72rem; }

.home-steps { padding: 96px 0 106px; background: radial-gradient(circle at 8% 22%, rgba(255,159,67,.09), transparent 22%), var(--cream-soft); }
.home-heading-centered { max-width: 690px; margin: 0 auto 49px !important; text-align: center; }
.home-heading-centered > p { max-width: 570px; margin: 12px auto 0; color: var(--ink-soft); }
.home-page .steps-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.home-page .steps-grid::before { content: ''; position: absolute; top: 50px; left: 16%; right: 16%; border-top: 2px dashed rgba(42,157,143,.26); }
.home-page .step-card { position: relative; z-index: 1; min-height: 250px; padding: 26px 27px 28px; border: 1px solid rgba(33,53,71,.09); border-radius: 25px; background: #fff; box-shadow: 0 12px 30px rgba(33,53,71,.07); }
.step-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 27px; }
.home-page .step-num { display: grid; width: 46px; height: 46px; margin: 0; place-items: center; border: 6px solid var(--cream-soft); border-radius: 50%; background: var(--teal); color: #fff; font-family: var(--font-display); font-size: 1rem; font-weight: 800; box-shadow: 0 0 0 2px rgba(42,157,143,.22); }
.step-icon { display: grid; min-width: 56px; height: 48px; padding: 0 10px; place-items: center; border-radius: 15px; background: #fff3e5; color: var(--orange-dark); font-family: var(--font-display); font-size: .9rem; font-weight: 800; transform: rotate(3deg); }
.home-page .step-card:nth-child(2) .step-icon { background: #edf4ff; color: #426ba7; }
.home-page .step-card:nth-child(3) .step-icon { background: #e8f8f5; color: var(--teal-dark); }
.home-page .step-card h3 { margin-bottom: 9px; font-size: 1.3rem; }
.home-page .step-card p { color: var(--ink-soft); font-size: .9rem; line-height: 1.7; }

.home-browse-cta { padding: 82px 0; background: #f8fbfa; }
.home-page .browse-cta-panel { position: relative; display: grid; grid-template-columns: 90px minmax(0, 1fr) auto; align-items: center; gap: 30px; overflow: hidden; padding: 42px 46px; border: 0; border-radius: 30px; background: linear-gradient(120deg, var(--navy-dark), var(--navy) 58%, #245d67); color: #fff; box-shadow: 0 22px 48px rgba(22,40,63,.2); }
.home-page .browse-cta-panel::after { content: '÷'; position: absolute; right: 20%; bottom: -70px; color: rgba(255,255,255,.055); font-family: var(--font-display); font-size: 13rem; font-weight: 800; line-height: 1; transform: rotate(-12deg); }
.browse-cta-symbol { display: grid; width: 82px; height: 82px; place-items: center; border: 1px solid rgba(255,255,255,.14); border-radius: 25px; background: rgba(255,255,255,.075); color: #6edbcf; font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; transform: rotate(-4deg); }
.browse-cta-copy { position: relative; z-index: 1; }
.browse-cta-copy > span, .home-signup-copy > span { display: block; margin-bottom: 5px; color: #65d6c9; font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.home-page .browse-cta-panel h2 { margin-bottom: 5px; font-size: clamp(1.55rem, 2.7vw, 2.05rem); }
.home-page .browse-cta-panel p { max-width: 625px; color: rgba(255,255,255,.68); font-size: .9rem; }
.home-page .browse-cta-panel .btn { position: relative; z-index: 2; flex-shrink: 0; }

.home-signup { padding: 0 0 88px; background: #f8fbfa; }
.home-signup .home-signup-inner { position: relative; display: grid; grid-template-columns: 112px minmax(0, 1fr) auto; align-items: center; gap: 28px; max-width: 980px; padding: 30px 38px; overflow: hidden; border: 1px solid #cfeae6; border-radius: 28px; background: linear-gradient(125deg, #e9f8f5, #fff 58%, #fff4e5); box-shadow: 0 13px 34px rgba(33,53,71,.09); text-align: left; }
.home-signup .home-signup-inner::after { content: ''; position: absolute; width: 180px; height: 180px; right: 16%; bottom: -145px; border-radius: 50%; background: rgba(42,157,143,.07); }
.home-signup-mascot-wrap { position: relative; z-index: 1; display: grid; width: 105px; height: 105px; place-items: center; border-radius: 50%; background: rgba(255,255,255,.72); }
.home-signup-mascot { width: 91px; margin: 0; filter: drop-shadow(0 7px 8px rgba(33,53,71,.12)); }
.home-signup-copy { position: relative; z-index: 1; }
.home-signup-copy > span { color: var(--teal-dark); }
.home-signup-title { margin: 0; font-size: clamp(1.5rem, 2.7vw, 2rem); }
.home-signup-button { position: relative; z-index: 1; min-width: 155px; margin: 0; background: var(--teal); color: #fff; box-shadow: 0 9px 20px rgba(42,157,143,.24); }
.home-signup-button:hover { background: var(--teal-dark); }
main.home-page + .site-footer, main.courses-page + .site-footer { margin-top: 0; }

/* ── Courses listing experience ─────────────────────────────────── */
.courses-hero {
  position: relative;
  overflow: hidden;
  padding: 68px 0 72px;
  background:
    radial-gradient(circle at 89% 8%, rgba(255,159,67,.27), transparent 25%),
    radial-gradient(circle at 8% 95%, rgba(42,157,143,.26), transparent 28%),
    linear-gradient(125deg, var(--navy-dark), #1c5262 59%, var(--teal-dark));
  color: #fff;
}
.courses-hero::before { content: ''; position: absolute; inset: 0; opacity: .13; background-image: radial-gradient(rgba(255,255,255,.9) 1px, transparent 1px); background-size: 27px 27px; }
.courses-hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(390px, .85fr); align-items: center; gap: 72px; }
.courses-hero-copy { max-width: 640px; }
.courses-hero h1 { max-width: 620px; margin-bottom: 18px; font-size: clamp(2.7rem, 5vw, 4.15rem); line-height: 1.08; letter-spacing: -.035em; }
.courses-hero-copy > p { max-width: 600px; color: rgba(255,255,255,.76); font-size: 1.06rem; line-height: 1.8; }
.courses-hero-pills { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 27px; }
.courses-hero-pills span { padding: 7px 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; background: rgba(255,255,255,.07); color: rgba(255,255,255,.72); font-size: .75rem; }
.courses-hero-pills b { color: #ffbd70; font-family: var(--font-display); }
.courses-shape-one { top: -23px; left: 43%; font-size: 8rem; transform: rotate(12deg); }
.courses-shape-two { right: 2%; bottom: -18px; font-size: 7rem; }
.courses-map { overflow: hidden; border: 1px solid rgba(255,255,255,.23); border-radius: 28px; background: linear-gradient(145deg, rgba(255,255,255,.15), rgba(255,255,255,.07)); box-shadow: 0 24px 50px rgba(12,32,46,.27); backdrop-filter: blur(10px); }
.courses-map-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 19px; border-bottom: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.7); font-size: .76rem; font-weight: 600; }
.courses-map-head b { padding: 5px 10px; border-radius: 999px; background: rgba(255,159,67,.18); color: #ffc27f; font-size: .68rem; }
.courses-map-body { display: grid; grid-template-columns: 125px minmax(0, 1fr); align-items: center; gap: 13px; padding: 22px; }
.courses-map-mascot { display: grid; width: 118px; height: 210px; place-items: end center; border: 1px solid rgba(255,255,255,.12); border-radius: 58px; background: rgba(255,255,255,.055); }
.courses-map-mascot img { width: 124px; margin-bottom: 11px; filter: drop-shadow(0 10px 12px rgba(11,31,45,.28)); }
.courses-map-path { display: flex; flex-direction: column; gap: 9px; }
.courses-map-path > div { display: grid; grid-template-columns: 34px minmax(0, 1fr) 22px; align-items: center; gap: 10px; padding: 10px 11px; border: 1px solid rgba(255,255,255,.11); border-radius: 14px; background: rgba(20,49,64,.54); }
.courses-map-path > div > span { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 10px; background: rgba(42,157,143,.28); color: #77e5d7; font-family: var(--font-display); font-size: .69rem; font-weight: 800; }
.courses-map-path > div:nth-child(2) > span { background: rgba(255,159,67,.2); color: #ffc17a; }
.courses-map-path > div:nth-child(3) > span { background: rgba(99,141,196,.25); color: #a9ceff; }
.courses-map-path p { display: flex; flex-direction: column; }
.courses-map-path strong { color: #fff; font-size: .76rem; }
.courses-map-path small { color: rgba(255,255,255,.48); font-size: .65rem; }
.courses-map-path i { color: rgba(255,255,255,.55); font-style: normal; }

.courses-page { overflow: hidden; background: radial-gradient(circle at 4% 11%, rgba(255,159,67,.07), transparent 17%), radial-gradient(circle at 97% 34%, rgba(42,157,143,.08), transparent 21%), #f8fbfa; }
.courses-catalogue { padding: 86px 0 100px; }
.courses-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 35px; margin-bottom: 24px; }
.courses-section-heading { display: block; max-width: 650px; margin: 0; }
.courses-section-heading::before { display: none; }
.courses-page .course-duration-note { display: flex; align-items: center; gap: 8px; max-width: 355px; padding: 10px 13px; border: 1px solid #d9e9e7; border-radius: 12px; background: rgba(255,255,255,.75); color: var(--ink-soft); font-size: .78rem; }
.courses-page .course-duration-note span { color: var(--teal-dark); font-size: 1.05rem; }
.course-level-key { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.course-level-key span { display: inline-flex; align-items: center; gap: 7px; padding: 6px 11px; border-radius: 999px; background: #fff; color: var(--ink-soft); font-size: .72rem; box-shadow: 0 2px 8px rgba(33,53,71,.06); }
.course-level-key i { width: 7px; height: 7px; border-radius: 50%; background: var(--teal); }
.course-level-key span:nth-child(2) i { background: var(--orange); }
.course-level-key span:nth-child(3) i { background: var(--navy); }
.courses-page .courses-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; align-items: stretch; }
.courses-page .course-card {
  --course-accent: var(--teal);
  --course-tint: #e8f8f5;
  position: relative;
  min-height: 445px;
  padding: 27px 26px 25px;
  overflow: hidden;
  align-items: flex-start;
  gap: 18px;
  border: 1px solid rgba(33,53,71,.1);
  border-radius: 25px;
  background: rgba(255,255,255,.95);
  box-shadow: 0 12px 32px rgba(33,53,71,.075);
  text-align: left;
}
.courses-page .course-card::before { content: ''; position: absolute; inset: 0 0 auto; height: 5px; background: var(--course-accent); }
.courses-page .course-card::after { content: ''; position: absolute; width: 145px; height: 145px; top: -90px; right: -65px; border-radius: 50%; background: var(--course-tint); opacity: .75; }
.courses-page .course-card:hover { transform: translateY(-7px); border-color: var(--course-accent); box-shadow: 0 21px 43px rgba(33,53,71,.14); }
.courses-page .course-card:focus-visible { outline: 3px solid var(--course-accent); outline-offset: 4px; }
.courses-page .course-card-head { position: relative; z-index: 1; display: flex; align-items: flex-start; justify-content: space-between; width: 100%; gap: 14px; }
.course-grade-mark { display: flex; align-items: baseline; gap: 7px; color: var(--course-accent); }
.course-grade-mark span { font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; writing-mode: vertical-rl; transform: rotate(180deg); opacity: .72; }
.course-grade-mark strong { font-family: var(--font-display); font-size: 3.35rem; font-weight: 800; line-height: .9; letter-spacing: -.04em; }
.course-card-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 7px; }
.courses-page .course-card-badge { padding: 4px 10px; border-radius: 999px; background: var(--course-tint); color: var(--course-accent); font-size: .69rem; letter-spacing: .06em; }
.courses-page .course-card-duration { color: var(--ink-soft); font-size: .73rem; white-space: nowrap; }
.courses-page .course-card-duration strong { color: var(--ink); font-family: var(--font-display); font-size: .9rem; }
.course-card-copy { flex: 1 1 auto; }
.courses-page .course-card h3 { margin-bottom: 8px; color: var(--ink); font-size: 1.18rem; }
.courses-page .course-card-desc { min-height: 0; color: var(--ink-soft); font-size: .84rem; line-height: 1.68; }
.course-card-breakdown { display: flex; flex-wrap: wrap; gap: 8px; width: 100%; }
.course-card-breakdown span { display: inline-flex; align-items: center; gap: 5px; padding: 5px 9px; border-radius: 9px; background: #f5f8f8; color: var(--ink-soft); font-size: .7rem; }
.course-card-breakdown i { color: var(--course-accent); font-style: normal; }
.course-card-breakdown b { color: var(--ink); }
.courses-page .course-card-progress { width: 100%; }
.courses-page .course-card-progress-label { display: flex; justify-content: space-between; margin: 0 0 7px; font-size: .72rem; }
.courses-page .course-card-progress-label strong { color: var(--course-accent); }
.courses-page .course-card-progress-bar { height: 7px; }
.courses-page .course-card-progress-bar span { background: var(--course-accent); }
.courses-page .course-card-cta { width: 100%; min-height: 46px; margin-top: auto; justify-content: space-between; padding: 10px 17px; border-radius: 13px; background: var(--course-accent); color: #fff; box-shadow: none; }
.courses-page .course-card:hover .course-card-cta { box-shadow: 0 9px 19px rgba(33,53,71,.15); }
.courses-page .course-card-cta i { font-size: 1.15rem; font-style: normal; transition: transform var(--transition); }
.courses-page .course-card:hover .course-card-cta i { transform: translateX(4px); }
.courses-page .course-card.course-color-0  { --course-accent: #218f82; --course-tint: #e8f8f5; }
.courses-page .course-card.course-color-1  { --course-accent: #c2414e; --course-tint: #fff0f1; }
.courses-page .course-card.course-color-2  { --course-accent: #a85b17; --course-tint: #fff5e7; }
.courses-page .course-card.course-color-3  { --course-accent: #7051bc; --course-tint: #f3efff; }
.courses-page .course-card.course-color-4  { --course-accent: #356da7; --course-tint: #edf5ff; }
.courses-page .course-card.course-color-5  { --course-accent: #9a7613; --course-tint: #fdf6e3; }
.courses-page .course-card.course-color-6  { --course-accent: #ae2962; --course-tint: #fdf0f6; }
.courses-page .course-card.course-color-7  { --course-accent: #177eae; --course-tint: #eaf7ff; }
.courses-page .course-card.course-color-8  { --course-accent: #298c4d; --course-tint: #edfcf2; }
.courses-page .course-card.course-color-9  { --course-accent: #7040be; --course-tint: #f5f0ff; }
.courses-page .course-card.course-color-10 { --course-accent: #da7712; --course-tint: #fff4e8; }
.courses-page .course-card.course-color-11 { --course-accent: #2c4669; --course-tint: #eef2f7; }

@keyframes numboFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-9px) rotate(1deg); }
}

@media (max-width: 980px) {
  .home-hero .home-hero-grid, .courses-hero-layout { grid-template-columns: minmax(0, 1fr) minmax(350px, .8fr); gap: 38px; }
  .home-hero .home-hero-copy h1 { font-size: clamp(2.75rem, 5.7vw, 4rem); }
  .home-page .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-page .feature-card { min-height: 255px; }
  .home-page .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
  .home-page .stat-item:nth-child(2) { border-right: 0; }
  .courses-page .courses-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-page .browse-cta-panel { grid-template-columns: 76px minmax(0, 1fr); }
  .home-page .browse-cta-panel .btn { grid-column: 2; justify-self: start; }
}

@media (max-width: 760px) {
  .home-hero { min-height: 0; padding: 52px 0 60px; }
  .home-hero .home-hero-grid, .courses-hero-layout { grid-template-columns: 1fr; gap: 44px; }
  .home-hero-copy, .courses-hero-copy { max-width: none; text-align: center; }
  .home-eyebrow, .courses-kicker { justify-content: center; }
  .home-hero .home-hero-copy h1 { font-size: clamp(2.65rem, 10.8vw, 3.65rem); }
  .home-hero .home-hero-copy > p, .courses-hero-copy > p { margin-inline: auto; }
  .home-hero-actions, .home-hero-notes, .courses-hero-pills { justify-content: center; }
  .home-hero-stage { justify-self: center; }
  .home-heading-row { grid-template-columns: 1fr; gap: 16px; }
  .home-page .steps-grid { grid-template-columns: 1fr; gap: 17px; }
  .home-page .steps-grid::before { display: none; }
  .home-page .step-card { min-height: 0; }
  .courses-hero { padding: 52px 0 60px; }
  .courses-map { width: min(100%, 490px); margin: 0 auto; }
  .courses-heading-row { align-items: flex-start; flex-direction: column; gap: 17px; }
  .home-signup .home-signup-inner { grid-template-columns: 92px minmax(0, 1fr); gap: 20px; }
  .home-signup .home-signup-button { grid-column: 2; justify-self: start; }
  .home-signup-mascot-wrap { width: 90px; height: 90px; }
  .home-signup-mascot { width: 78px; }
}

@media (max-width: 560px) {
  .home-hero { padding: 43px 0 50px; }
  .home-eyebrow, .courses-kicker { margin-bottom: 18px; padding: 6px 10px; font-size: .69rem; }
  .home-hero .home-hero-copy h1 { margin-bottom: 18px; font-size: clamp(2.35rem, 11.6vw, 3rem); }
  .home-hero .home-hero-copy > p, .courses-hero-copy > p { font-size: .94rem; line-height: 1.75; }
  .home-hero-actions { margin-top: 26px; }
  .home-hero-actions .btn { width: 100%; }
  .home-hero-notes { gap: 10px 14px; margin-top: 23px; }
  .home-hero-notes > span { font-size: .7rem; }
  .home-challenge-card { min-height: 382px; border-radius: 24px; }
  .home-challenge-body { min-height: 270px; }
  .home-mascot-orbit { inset: 18px 48px 8px; }
  .home-mascot-orbit::before { width: 220px; height: 220px; }
  .orbit-ring { width: 158px; height: 158px; }
  .home-mascot-orbit .hero-mascot { width: 185px; }
  .home-math-chip { min-width: 55px; min-height: 38px; padding: 6px 10px; font-size: .89rem; }
  .chip-one { top: 35px; left: 13px; }
  .chip-two { top: 35px; right: 14px; }
  .chip-three { right: 14px; bottom: 29px; }
  .home-answer-bubble { left: 16px; bottom: 29px; }
  .home-challenge-top, .home-challenge-foot { padding: 15px; }
  .home-features, .home-steps { padding: 64px 0 70px; }
  .home-heading-row { margin-bottom: 30px; text-align: center; }
  .home-page .home-section-heading h2, .courses-section-heading h2 { font-size: 1.9rem; }
  .home-page .feature-grid, .home-page .stats-grid, .courses-page .courses-grid { grid-template-columns: 1fr; }
  .home-page .feature-card { min-height: 0; padding: 24px 22px; }
  .home-page .feature-card .feature-icon { margin-bottom: 20px; }
  .home-stats { padding: 24px 0; }
  .home-page .stats-grid { gap: 0; }
  .home-page .stat-item { justify-content: flex-start; min-height: 84px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .home-page .stat-item:last-child { border-bottom: 0; }
  .home-heading-centered { margin-bottom: 32px !important; }
  .home-browse-cta { padding: 58px 0; }
  .home-page .browse-cta-panel { display: flex; flex-direction: column; gap: 20px; padding: 32px 24px; text-align: center; }
  .browse-cta-symbol { width: 66px; height: 66px; border-radius: 20px; font-size: 2rem; }
  .home-page .browse-cta-panel .btn { width: 100%; }
  .home-signup { padding: 0 0 62px; }
  .home-signup .home-signup-inner { display: flex; flex-direction: column; gap: 14px; padding: 28px 22px; text-align: center; }
  .home-signup .home-signup-button { width: 100%; max-width: 260px; }
  .courses-hero { padding: 43px 0 50px; }
  .courses-hero h1 { font-size: clamp(2.25rem, 10.8vw, 2.85rem); }
  .courses-map-body { grid-template-columns: 88px minmax(0, 1fr); gap: 9px; padding: 15px; }
  .courses-map-mascot { width: 84px; height: 187px; }
  .courses-map-mascot img { width: 92px; }
  .courses-map-path > div { grid-template-columns: 29px minmax(0, 1fr) 16px; gap: 7px; padding: 8px; }
  .courses-map-path > div > span { width: 28px; height: 28px; }
  .courses-map-path strong { font-size: .69rem; }
  .courses-map-path small { font-size: .59rem; }
  .courses-catalogue { padding: 60px 0 72px; }
  .course-level-key { margin-bottom: 27px; }
  .courses-page .course-card { min-height: 0; padding: 25px 22px 22px; }
  .course-grade-mark strong { font-size: 3rem; }
}

@media (prefers-reduced-motion: reduce) {
  .home-mascot-orbit .hero-mascot { animation: none; }
  .home-page .feature-card, .courses-page .course-card { transition: none; }
  .home-page .feature-card:hover, .courses-page .course-card:hover { transform: none; }
}

/* ── Individual course roadmap experience ──────────────────────── */
.course-detail-hero {
  position: relative;
  overflow: hidden;
  padding: 66px 0 72px;
  isolation: isolate;
  background:
    radial-gradient(circle at 87% 19%, rgba(255,159,67,.29), transparent 25%),
    radial-gradient(circle at 13% 94%, rgba(68,196,179,.23), transparent 28%),
    linear-gradient(125deg, var(--navy-dark) 0%, #184d61 53%, var(--teal-dark) 100%);
  color: #fff;
}
.course-detail-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .14;
  background-image: radial-gradient(rgba(255,255,255,.95) 1px, transparent 1px);
  background-size: 27px 27px;
  mask-image: linear-gradient(90deg, #000, transparent 51%, #000);
}
.course-detail-hero::after {
  content: '';
  position: absolute;
  width: 310px;
  height: 310px;
  top: -215px;
  left: -95px;
  z-index: -1;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50%;
  box-shadow: 0 0 0 52px rgba(255,255,255,.033), 0 0 0 104px rgba(255,255,255,.022);
}
.course-detail-shape { position: absolute; z-index: 0; color: rgba(255,255,255,.065); font-family: var(--font-display); font-weight: 800; line-height: 1; pointer-events: none; }
.course-detail-shape-plus { top: 10%; left: 48%; font-size: 7rem; transform: rotate(13deg); }
.course-detail-shape-divide { right: 2%; bottom: -25px; font-size: 7.5rem; transform: rotate(-10deg); }
.course-detail-hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(390px, .82fr); align-items: center; gap: 76px; }
.course-detail-hero-copy { max-width: 665px; }
.course-detail-back { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 18px; color: rgba(255,255,255,.62); font-size: .78rem; font-weight: 700; transition: color var(--transition), transform var(--transition); }
.course-detail-back:hover { color: #fff; transform: translateX(-3px); }
.course-detail-kicker { display: table; margin-bottom: 19px; padding: 7px 13px; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; background: rgba(255,255,255,.075); color: rgba(255,255,255,.84); font-size: .79rem; font-weight: 700; letter-spacing: .025em; }
.course-detail-kicker span { margin-right: 5px; color: #ffd08c; }
.course-detail-hero h1 { margin-bottom: 18px; font-size: clamp(2.75rem, 4.65vw, 4.15rem); line-height: 1.08; letter-spacing: -.035em; text-shadow: 0 9px 28px rgba(10,28,44,.2); }
.course-detail-hero-copy > p { max-width: 625px; color: rgba(255,255,255,.76); font-size: 1.03rem; line-height: 1.82; }
.course-detail-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.course-detail-meta span { padding: 6px 11px; border: 1px solid rgba(255,255,255,.15); border-radius: 999px; background: rgba(255,255,255,.065); color: rgba(255,255,255,.68); font-size: .72rem; }
.course-detail-meta b { color: #ffc078; font-family: var(--font-display); }
.course-detail-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 29px; }
.course-detail-primary-cta { min-height: 50px; background: var(--orange); color: #183047; box-shadow: 0 10px 24px rgba(12,33,48,.24); }
.course-detail-primary-cta:hover { background: #ffb15d; }
.course-detail-ghost-cta { min-height: 50px; border: 1px solid rgba(255,255,255,.4); background: rgba(255,255,255,.065); color: #fff; box-shadow: none; backdrop-filter: blur(8px); }
.course-detail-ghost-cta:hover { background: rgba(255,255,255,.14); }

.course-journey-card { overflow: hidden; border: 1px solid rgba(255,255,255,.23); border-radius: 29px; background: linear-gradient(145deg, rgba(255,255,255,.16), rgba(255,255,255,.075)); box-shadow: 0 26px 55px rgba(10,28,43,.29); backdrop-filter: blur(11px); }
.course-journey-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 19px; border-bottom: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.72); font-size: .75rem; font-weight: 600; }
.course-journey-head > span { display: flex; align-items: center; gap: 8px; }
.course-journey-head i { width: 8px; height: 8px; border-radius: 50%; background: #55dcc4; box-shadow: 0 0 0 5px rgba(85,220,196,.12); }
.course-journey-head b { padding: 5px 10px; border-radius: 999px; background: rgba(255,159,67,.18); color: #ffc27e; font-size: .66rem; }
.course-journey-visual { position: relative; display: grid; min-height: 260px; place-items: center; overflow: hidden; }
.course-grade-watermark { position: absolute; right: 15px; bottom: -38px; color: rgba(255,255,255,.055); font-family: var(--font-display); font-size: 13rem; font-weight: 800; line-height: 1; }
.course-journey-orbit { position: absolute; width: 220px; height: 220px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; box-shadow: inset 0 0 0 37px rgba(255,255,255,.025); }
.course-journey-orbit::after { content: ''; position: absolute; inset: 30px; border: 1px dashed rgba(255,255,255,.17); border-radius: 50%; }
.course-journey-visual img { position: relative; z-index: 2; width: 178px; margin-top: 8px; filter: drop-shadow(0 16px 17px rgba(9,29,43,.28)); animation: courseNumboFloat 4s ease-in-out infinite; }
.course-grade-chip { position: absolute; z-index: 3; right: 24px; top: 24px; display: flex; align-items: baseline; gap: 5px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; background: rgba(20,48,64,.73); color: #fff; box-shadow: 0 8px 18px rgba(8,27,40,.18); transform: rotate(3deg); }
.course-grade-chip small { color: rgba(255,255,255,.62); font-size: .61rem; text-transform: uppercase; }
.course-grade-chip strong { color: #ffbb6d; font-family: var(--font-display); font-size: 1.35rem; line-height: 1; }
.course-detail-progress { padding: 16px 20px 19px; border-top: 1px solid rgba(255,255,255,.13); }
.course-detail-progress .course-card-progress-label { display: flex; justify-content: space-between; margin: 0 0 8px; color: rgba(255,255,255,.66); font-size: .7rem; }
.course-detail-progress .course-card-progress-label strong { color: #fff; }
.course-detail-progress .course-card-progress-bar { height: 6px; background: rgba(255,255,255,.13); }
.course-detail-progress .course-card-progress-bar span { background: #55dcc4; }
.course-journey-start { display: flex; align-items: center; gap: 11px; min-height: 68px; padding: 14px 19px; border-top: 1px solid rgba(255,255,255,.13); background: rgba(12,40,54,.18); }
.course-journey-start > span { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; border-radius: 12px; background: rgba(255,159,67,.16); }
.course-journey-start p { display: flex; flex-direction: column; }
.course-journey-start strong { color: #fff; font-size: .76rem; }
.course-journey-start small { margin-top: 2px; color: rgba(255,255,255,.5); font-size: .65rem; }

.course-detail-page { overflow: hidden; padding: 0 0 96px; background: radial-gradient(circle at 3% 12%, rgba(255,159,67,.075), transparent 18%), radial-gradient(circle at 98% 42%, rgba(42,157,143,.08), transparent 22%), #f8fbfa; }
.course-detail-page > .container { position: relative; }
.course-enrolled-banner { display: flex; align-items: center; gap: 14px; margin: 38px 0 0; padding: 17px 20px; border: 1px solid #bfe7d3; border-radius: 17px; background: linear-gradient(110deg, #e9f9f1, #f8fffb); color: #25704c; box-shadow: 0 8px 22px rgba(33,105,72,.08); }
.course-enrolled-banner > span { display: grid; width: 36px; height: 36px; flex: 0 0 36px; place-items: center; border-radius: 50%; background: var(--green); color: #fff; font-weight: 800; }
.course-enrolled-banner strong { font-family: var(--font-display); font-size: 1.05rem; }
.course-enrolled-banner p { color: #4b7d65; font-size: .82rem; }
.course-access-panel { display: grid; grid-template-columns: 62px minmax(0, 1fr) auto; align-items: center; gap: 21px; margin-top: 38px; padding: 22px 26px; border: 1px solid #cfe7e3; border-radius: 23px; background: linear-gradient(115deg, #fff, #eef9f7); box-shadow: 0 12px 30px rgba(33,53,71,.08); }
.course-access-panel.is-pricing { border-color: #f4d7b7; background: linear-gradient(115deg, #fff, #fff5e9); }
.course-access-icon { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 19px; background: #e6f7f2; color: var(--teal-dark); font-family: var(--font-display); font-size: 1.45rem; font-weight: 800; transform: rotate(-3deg); }
.course-access-panel.is-pricing .course-access-icon { background: #fff0df; color: var(--orange-dark); }
.course-access-copy > span { display: block; margin-bottom: 3px; color: var(--teal-dark); font-size: .68rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.course-access-panel.is-pricing .course-access-copy > span { color: var(--orange-dark); }
.course-access-copy h2 { font-size: 1.45rem; }
.course-access-copy h2 small { color: var(--ink-soft); font-family: var(--font); font-size: .75rem; font-weight: 600; }
.course-access-copy p { margin-top: 2px; color: var(--ink-soft); font-size: .82rem; }
.course-access-panel .btn { min-width: 154px; }

.course-roadmap-section { padding-top: 76px; scroll-margin-top: 82px; }
.course-roadmap-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 35px; margin-bottom: 24px; }
.course-roadmap-heading { max-width: 720px; }
.course-roadmap-heading > span { display: block; margin-bottom: 8px; color: var(--teal-dark); font-size: .73rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.course-roadmap-heading h2 { font-size: clamp(2rem, 3.5vw, 2.7rem); letter-spacing: -.025em; }
.course-roadmap-heading p { max-width: 680px; margin-top: 8px; color: var(--ink-soft); font-size: .92rem; line-height: 1.75; }
.course-roadmap-count { display: flex; align-items: center; gap: 10px; min-width: 138px; padding: 12px 15px; border: 1px solid #d7e8e6; border-radius: 16px; background: rgba(255,255,255,.75); box-shadow: 0 5px 15px rgba(33,53,71,.05); }
.course-roadmap-count strong { color: var(--teal-dark); font-family: var(--font-display); font-size: 2rem; line-height: 1; }
.course-roadmap-count span { color: var(--ink-soft); font-size: .7rem; line-height: 1.25; }
.course-roadmap-legend { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 30px; }
.course-roadmap-legend span { display: inline-flex; align-items: center; gap: 7px; padding: 6px 10px; border-radius: 999px; background: #fff; color: var(--ink-soft); font-size: .69rem; box-shadow: 0 3px 10px rgba(33,53,71,.055); }
.course-roadmap-legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); }
.course-roadmap-legend .legend-exam { background: var(--orange); }
.course-roadmap-legend .legend-complete { background: var(--green); }
.course-roadmap-legend .legend-soon { background: #a8b3bb; }

.course-detail-page .course-detail-roadmap { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.course-detail-page .day-card {
  --day-accent: var(--teal);
  --day-tint: #e9f8f5;
  position: relative;
  display: flex;
  min-height: 214px;
  padding: 19px 18px 17px;
  overflow: hidden;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid rgba(33,53,71,.1);
  border-radius: 22px;
  background: linear-gradient(150deg, #fff 0 66%, var(--day-tint) 100%);
  box-shadow: 0 9px 24px rgba(33,53,71,.075);
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.course-detail-page .day-card::before { content: ''; position: absolute; width: 92px; height: 92px; top: -59px; right: -47px; border-radius: 50%; background: var(--day-tint); }
.course-detail-page .day-card:nth-child(5n + 2) { --day-accent: #3573a8; --day-tint: #edf5fc; }
.course-detail-page .day-card:nth-child(5n + 3) { --day-accent: #7960bb; --day-tint: #f2effb; }
.course-detail-page .day-card:nth-child(5n + 4) { --day-accent: #308c5c; --day-tint: #ecf8f1; }
.course-detail-page .day-card:nth-child(5n + 5) { --day-accent: #a57918; --day-tint: #fbf5e6; }
.course-detail-page .day-card:hover { z-index: 2; border-color: var(--day-accent); box-shadow: 0 17px 34px rgba(33,53,71,.14); transform: translateY(-6px) rotate(-.35deg); }
.course-detail-page .day-card:focus-visible { outline: 3px solid var(--day-accent); outline-offset: 4px; }
.course-day-top { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; width: 100%; margin-bottom: 15px; }
.course-day-type { color: var(--day-accent); font-size: .61rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.course-day-state { display: grid; width: 25px; height: 25px; place-items: center; border-radius: 8px; background: var(--day-tint); color: var(--day-accent); font-size: .72rem; font-weight: 800; }
.course-detail-page .day-card .day-num { position: relative; z-index: 1; margin: 0 0 9px; color: var(--day-accent); font-size: 2.55rem; line-height: 1; letter-spacing: -.035em; }
.course-detail-page .day-card .day-title { position: relative; z-index: 1; min-height: 0; margin: 0; color: var(--ink); font-size: .82rem; font-weight: 600; line-height: 1.52; }
.course-day-footer { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 23px; margin-top: auto; padding-top: 15px; color: var(--day-accent); font-size: .67rem; font-weight: 700; }
.course-day-footer i { font-size: .92rem; font-style: normal; transition: transform var(--transition); }
.course-detail-page .day-card:hover .course-day-footer i { transform: translateX(3px); }
.course-detail-page .day-card .badge { margin: 0; padding: 4px 9px; background: var(--day-accent); font-size: .62rem; }

.course-detail-page .day-card.is-intro { --day-accent: var(--teal-dark); --day-tint: #dff5f1; border-color: #80cfc4; background: linear-gradient(145deg, #fafffe, #dff5f1); }
.course-detail-page .day-card.is-intro .day-num { font-size: 2.4rem; }
.course-detail-page .day-card.is-exam { --day-accent: var(--orange-dark); --day-tint: #fff0df; border-color: #f3c28c; background: linear-gradient(145deg, #fffdfa, #fff0df); }
.course-detail-page .day-card.is-exam::before { background: rgba(255,159,67,.15); box-shadow: 0 0 0 16px rgba(255,159,67,.045); }
.course-detail-page .day-card.is-soon { --day-accent: #87949d; --day-tint: #f0f3f4; border-style: dashed; background: linear-gradient(145deg, #fbfcfc, #f0f3f4); box-shadow: none; }
.course-detail-page .day-card.is-soon .day-title { color: #6f7c84; }
.course-detail-page .day-card .course-badge-soon { background: #e2e7e9; color: #66747d; }
.course-detail-page .day-card.is-completed { --day-accent: #348d63; --day-tint: #e5f6ed; border-color: #75c69e; background: linear-gradient(145deg, #fbfffd, #e5f6ed); }
.course-detail-page .day-card.is-completed::after { content: '✓'; position: absolute; top: -8px; right: -7px; z-index: 4; display: grid; width: 29px; height: 29px; place-items: center; border: 3px solid #fff; border-radius: 50%; background: var(--green); color: #fff; font-size: .74rem; font-weight: 800; box-shadow: 0 5px 12px rgba(52,141,99,.24); }
main.course-detail-page + .site-footer { margin-top: 0; }

@keyframes courseNumboFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-7px) rotate(1deg); }
}

@media (max-width: 1040px) {
  .course-detail-hero-layout { grid-template-columns: minmax(0, 1fr) minmax(345px, .75fr); gap: 42px; }
  .course-detail-page .course-detail-roadmap { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  .course-detail-hero { padding: 50px 0 59px; }
  .course-detail-hero-layout { grid-template-columns: 1fr; gap: 40px; }
  .course-detail-hero-copy { max-width: none; text-align: center; }
  .course-detail-back, .course-detail-kicker { margin-inline: auto; }
  .course-detail-hero-copy > p { margin-inline: auto; }
  .course-detail-meta, .course-detail-actions { justify-content: center; }
  .course-journey-card { width: min(100%, 490px); margin: 0 auto; }
  .course-access-panel { grid-template-columns: 58px minmax(0, 1fr); }
  .course-access-panel .btn { grid-column: 2; justify-self: start; }
  .course-detail-page .course-detail-roadmap { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .course-detail-hero { padding: 39px 0 48px; }
  .course-detail-back { margin-bottom: 15px; }
  .course-detail-kicker { margin-bottom: 16px; font-size: .7rem; }
  .course-detail-hero h1 { margin-bottom: 15px; font-size: clamp(2.25rem, 10.5vw, 2.85rem); }
  .course-detail-hero-copy > p { font-size: .92rem; line-height: 1.72; }
  .course-detail-meta { margin-top: 20px; }
  .course-detail-actions { margin-top: 24px; }
  .course-detail-actions .btn { width: 100%; }
  .course-journey-card { border-radius: 24px; }
  .course-journey-visual { min-height: 225px; }
  .course-journey-orbit { width: 188px; height: 188px; }
  .course-journey-visual img { width: 150px; }
  .course-grade-chip { right: 17px; top: 18px; }
  .course-grade-watermark { font-size: 10rem; }
  .course-journey-start { padding: 13px 15px; }
  .course-detail-page { padding-bottom: 65px; }
  .course-enrolled-banner { margin-top: 26px; padding: 15px; }
  .course-access-panel { display: flex; margin-top: 26px; padding: 22px 19px; flex-direction: column; gap: 13px; text-align: center; }
  .course-access-panel .btn { width: 100%; max-width: 260px; }
  .course-roadmap-section { padding-top: 57px; }
  .course-roadmap-heading-row { align-items: flex-start; flex-direction: column; gap: 16px; margin-bottom: 21px; }
  .course-roadmap-heading { text-align: center; }
  .course-roadmap-heading h2 { font-size: 1.9rem; }
  .course-roadmap-heading p { font-size: .85rem; }
  .course-roadmap-count { align-self: center; }
  .course-roadmap-legend { justify-content: center; margin-bottom: 25px; }
  .course-detail-page .course-detail-roadmap { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .course-detail-page .day-card { min-height: 192px; padding: 16px 14px 14px; border-radius: 19px; }
  .course-day-top { margin-bottom: 12px; }
  .course-day-type { font-size: .54rem; }
  .course-day-state { width: 23px; height: 23px; border-radius: 7px; }
  .course-detail-page .day-card .day-num { font-size: 2.15rem; }
  .course-detail-page .day-card .day-title { font-size: .75rem; line-height: 1.46; }
  .course-day-footer { padding-top: 12px; font-size: .61rem; }
}

@media (max-width: 370px) {
  .course-detail-page .course-detail-roadmap { grid-template-columns: 1fr; }
  .course-detail-page .day-card { min-height: 170px; }
}

@media (prefers-reduced-motion: reduce) {
  .course-journey-visual img { animation: none; }
  .course-detail-page .day-card { transition: none; }
  .course-detail-page .day-card:hover { transform: none; }
}

/* ── Daily lesson experience ────────────────────────────────────── */
.lesson-page { min-height: 70vh; padding: 46px 0 88px; overflow: hidden; background: radial-gradient(circle at 4% 11%, rgba(255,159,67,.08), transparent 18%), radial-gradient(circle at 97% 35%, rgba(42,157,143,.09), transparent 23%), #f8fbfa; }
.lesson-page-container { max-width: 940px; }
.lesson-page-topline { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
.lesson-page-back { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: .8rem; font-weight: 700; transition: color var(--transition), transform var(--transition); }
.lesson-page-back:hover { color: var(--teal-dark); transform: translateX(-3px); }
.lesson-page-kind { padding: 5px 10px; border: 1px solid #d7e8e5; border-radius: 999px; background: #fff; color: var(--teal-dark); font-size: .65rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.lesson-page-exam .lesson-page-kind { border-color: #f1d0a9; color: var(--orange-dark); }
.lesson-welcome-card { position: relative; display: grid; grid-template-columns: 170px minmax(0, 1fr); align-items: center; gap: 25px; min-height: 250px; padding: 31px 34px; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 29px; background: radial-gradient(circle at 14% 23%, rgba(255,159,67,.23), transparent 24%), linear-gradient(125deg, var(--navy-dark), #1b5261 60%, var(--teal-dark)); color: #fff; box-shadow: 0 20px 43px rgba(22,40,63,.18); }
.lesson-welcome-card::after { content: ''; position: absolute; width: 205px; height: 205px; right: -105px; bottom: -130px; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; box-shadow: 0 0 0 35px rgba(255,255,255,.025); }
.lesson-welcome-symbol { position: absolute; top: -28px; right: 16%; color: rgba(255,255,255,.055); font-family: var(--font-display); font-size: 9rem; font-weight: 800; line-height: 1; transform: rotate(12deg); }
.lesson-mascot-stage { position: relative; z-index: 1; display: grid; width: 160px; height: 160px; place-items: center; }
.lesson-mascot-stage .lesson-mascot-orbit { position: absolute; inset: 3px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; box-shadow: inset 0 0 0 25px rgba(255,255,255,.025); }
.lesson-mascot-stage .lesson-mascot-orbit::after { content: ''; position: absolute; inset: 24px; border: 1px dashed rgba(255,255,255,.17); border-radius: 50%; }
.lesson-welcome-card .mascot-icon { position: relative; z-index: 2; width: 132px; filter: drop-shadow(0 12px 13px rgba(8,27,41,.27)); }
.lesson-speech { position: relative; z-index: 1; }
.lesson-speech-kicker { display: block; margin-bottom: 6px; color: #69ddcf; font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.lesson-page-exam .lesson-speech-kicker { color: #ffc174; }
.lesson-speech h1 { max-width: 640px; margin: 0; font-size: clamp(1.75rem, 3.1vw, 2.45rem); line-height: 1.25; letter-spacing: -.02em; }
.lesson-intro-copy { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.lesson-intro-copy p { max-width: 620px; color: rgba(255,255,255,.72); font-size: .92rem; line-height: 1.72; }
.lesson-intro-copy .listen-btn { width: 36px; height: 36px; flex: 0 0 36px; }

.lesson-state-card { display: grid; grid-template-columns: 64px minmax(0, 1fr); align-items: center; gap: 18px; margin-top: 28px; padding: 22px 25px; border: 1px solid #dae7e7; border-radius: 22px; background: #fff; box-shadow: 0 10px 25px rgba(33,53,71,.07); }
.lesson-state-icon { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 19px; background: #edf3f4; color: #7b8992; font-family: var(--font-display); font-size: 1.4rem; }
.lesson-state-card h2 { margin-top: 5px; font-size: 1.35rem; }
.lesson-state-card p { margin-top: 3px; color: var(--ink-soft); font-size: .86rem; }
.lesson-state-card.is-coming-soon { border-style: dashed; background: linear-gradient(120deg, #fff, #f1f4f5); }
.lesson-state-card.is-coming-soon .badge-soon { display: inline-block; padding: 4px 10px; border-radius: 999px; background: #e5eaec; color: #697780; font-size: .65rem; font-weight: 800; }
.lesson-state-card.is-exam-ready { border-color: #f0cfaa; background: linear-gradient(120deg, #fff, #fff4e6); }
.lesson-state-card.is-exam-ready .lesson-state-icon { background: #ffead1; color: var(--orange-dark); }
.lesson-state-card.is-exam-ready > div > span { color: var(--orange-dark); font-size: .65rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }

.lesson-section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 25px; margin: 52px 0 22px; }
.lesson-section-heading > div > span { color: var(--teal-dark); font-size: .69rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.lesson-section-heading h2 { margin-top: 4px; font-size: clamp(1.75rem, 3vw, 2.25rem); }
.lesson-section-heading > b { padding: 7px 11px; border: 1px solid #d7e7e5; border-radius: 999px; background: #fff; color: var(--ink-soft); font-size: .67rem; white-space: nowrap; }
.lesson-content-stack { display: flex; flex-direction: column; gap: 21px; }
.lesson-page .lesson-block { position: relative; margin: 0; padding: 27px 28px 25px; overflow: hidden; border: 1px solid rgba(33,53,71,.1); border-radius: 25px; background: rgba(255,255,255,.96); box-shadow: 0 12px 31px rgba(33,53,71,.075); }
.lesson-page .lesson-block::after { content: ''; position: absolute; width: 110px; height: 110px; top: -72px; right: -52px; border-radius: 50%; background: #e9f7f4; }
.lesson-section-number { position: absolute; top: 18px; right: 20px; z-index: 1; color: var(--teal-dark); font-family: var(--font-display); font-size: .72rem; font-weight: 800; opacity: .65; }
.lesson-image-frame { width: min(100%, 430px); margin: 0 auto 20px; padding: 9px; border-radius: 21px; background: linear-gradient(145deg, #f2f8f7, #e9f3f1); box-shadow: inset 0 0 0 1px rgba(42,157,143,.08); }
.lesson-page .lesson-image { width: 100%; max-width: none; margin: 0; border-radius: 15px; }
.lesson-text-row { display: flex; align-items: center; justify-content: center; gap: 10px; }
.lesson-page .lesson-text { display: block; max-width: 760px; color: var(--ink); font-size: 1rem; line-height: 1.75; }
.lesson-text-row .listen-btn { flex: 0 0 34px; }

.lesson-intro-start-card, .lesson-completion-panel { margin-top: 36px; padding: 27px 29px; border: 1px solid #cfe7e3; border-radius: 24px; background: linear-gradient(115deg, #fff, #eaf8f5); box-shadow: 0 13px 31px rgba(33,53,71,.08); }
.lesson-intro-start-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.lesson-intro-start-card > div > span, .lesson-completion-heading > span { color: var(--teal-dark); font-size: .67rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.lesson-intro-start-card h2, .lesson-completion-heading h2 { margin-top: 3px; font-size: 1.55rem; }
.lesson-completion-panel { border-color: #eadbc9; background: linear-gradient(115deg, #fff, #fff5e9); }
.lesson-page-exam .lesson-completion-panel { border-color: #f1cca2; }
.lesson-completion-heading > span { color: var(--orange-dark); }
.lesson-primary-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 19px; }
.lesson-primary-actions form { display: inline-flex; }
.lesson-completed-button { opacity: .75; pointer-events: none; }
.lesson-day-navigation { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; margin-top: 22px; }
.lesson-day-navigation > div:last-child { display: flex; justify-content: flex-end; }
.lesson-nav-link { display: grid; grid-template-columns: auto 1fr; align-items: center; column-gap: 10px; min-width: 190px; padding: 13px 16px; border: 1px solid #d7e6e5; border-radius: 16px; background: #fff; box-shadow: 0 6px 16px rgba(33,53,71,.055); transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); }
.lesson-nav-link:hover { border-color: var(--teal); box-shadow: 0 10px 21px rgba(33,53,71,.1); transform: translateY(-2px); }
.lesson-nav-link > span { grid-row: 1 / 3; color: var(--teal-dark); font-size: 1.15rem; }
.lesson-nav-link small { color: var(--ink-soft); font-size: .61rem; text-transform: uppercase; }
.lesson-nav-link strong { font-size: .78rem; }
.lesson-nav-link.is-next { grid-template-columns: 1fr auto; text-align: right; }
.lesson-nav-link.is-next > span { grid-column: 2; }
main.lesson-page + .site-footer { margin-top: 0; }

@media (max-width: 680px) {
  .lesson-page { padding: 31px 0 62px; }
  .lesson-page-topline { align-items: flex-start; }
  .lesson-page-kind { max-width: 50%; text-align: center; }
  .lesson-welcome-card { display: flex; min-height: 0; padding: 26px 21px 29px; flex-direction: column; gap: 16px; text-align: center; }
  .lesson-mascot-stage { width: 132px; height: 132px; }
  .lesson-welcome-card .mascot-icon { width: 108px; }
  .lesson-intro-copy { justify-content: center; }
  .lesson-intro-copy p { font-size: .86rem; }
  .lesson-state-card { grid-template-columns: 50px minmax(0, 1fr); padding: 19px; }
  .lesson-state-icon { width: 48px; height: 48px; border-radius: 15px; }
  .lesson-state-card h2 { font-size: 1.15rem; }
  .lesson-section-heading { align-items: center; flex-direction: column; margin-top: 41px; text-align: center; }
  .lesson-page .lesson-block { padding: 23px 18px 21px; border-radius: 21px; }
  .lesson-image-frame { margin-bottom: 17px; padding: 7px; }
  .lesson-text-row { align-items: flex-start; }
  .lesson-page .lesson-text { font-size: .91rem; }
  .lesson-intro-start-card { align-items: stretch; padding: 23px 20px; flex-direction: column; text-align: center; }
  .lesson-intro-start-card .btn { width: 100%; }
  .lesson-completion-panel { padding: 23px 19px; text-align: center; }
  .lesson-primary-actions { flex-direction: column; }
  .lesson-primary-actions .btn, .lesson-primary-actions form, .lesson-primary-actions form button { width: 100%; }
  .lesson-day-navigation { grid-template-columns: 1fr; }
  .lesson-day-navigation > div:last-child { justify-content: stretch; }
  .lesson-nav-link { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .lesson-nav-link { transition: none; }
  .lesson-nav-link:hover { transform: none; }
}

/* ── Lesson quiz experience ─────────────────────────────────────── */
.quiz-page { min-height: 72vh; padding: 46px 0 88px; overflow: hidden; background: radial-gradient(circle at 5% 10%, rgba(255,159,67,.08), transparent 18%), radial-gradient(circle at 96% 37%, rgba(42,157,143,.09), transparent 24%), #f8fbfa; }
.quiz-page-container { max-width: 940px; }
.quiz-page-back { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 18px; color: var(--ink-soft); font-size: .8rem; font-weight: 700; transition: color var(--transition), transform var(--transition); }
.quiz-page-back:hover { color: var(--teal-dark); transform: translateX(-3px); }
.quiz-page-hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 150px; align-items: center; gap: 26px; min-height: 235px; padding: 32px 34px 32px 38px; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 29px; background: radial-gradient(circle at 86% 18%, rgba(255,159,67,.25), transparent 25%), linear-gradient(125deg, var(--navy-dark), #1a5061 59%, var(--teal-dark)); color: #fff; box-shadow: 0 20px 43px rgba(22,40,63,.18); }
.quiz-page-hero::after { content: ''; position: absolute; width: 190px; height: 190px; left: -110px; bottom: -125px; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; box-shadow: 0 0 0 34px rgba(255,255,255,.026); }
.quiz-hero-symbol { position: absolute; right: 24%; top: -42px; color: rgba(255,255,255,.055); font-family: var(--font-display); font-size: 12rem; font-weight: 800; line-height: 1; transform: rotate(10deg); }
.quiz-hero-copy { position: relative; z-index: 1; }
.quiz-hero-kicker { display: block; margin-bottom: 7px; color: #67ddcd; font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.quiz-page-hero h1 { max-width: 690px; font-size: clamp(1.85rem, 3.5vw, 2.65rem); line-height: 1.24; letter-spacing: -.02em; }
.quiz-hero-meta { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 17px; }
.quiz-hero-meta span { padding: 6px 10px; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; background: rgba(255,255,255,.065); color: rgba(255,255,255,.65); font-size: .66rem; }
.quiz-hero-meta b { color: #ffc078; font-family: var(--font-display); }
.quiz-hero-mascot { position: relative; z-index: 1; display: grid; width: 142px; height: 142px; place-items: center; }
.quiz-hero-mascot > span { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; box-shadow: inset 0 0 0 23px rgba(255,255,255,.025); }
.quiz-hero-mascot > span::after { content: ''; position: absolute; inset: 23px; border: 1px dashed rgba(255,255,255,.17); border-radius: 50%; }
.quiz-hero-mascot img { position: relative; z-index: 1; width: 116px; filter: drop-shadow(0 11px 12px rgba(8,27,41,.26)); }

.quiz-form { margin-top: 34px; }
.quiz-question-list { display: flex; flex-direction: column; gap: 20px; }
.quiz-page .quiz-question { position: relative; margin: 0; padding: 25px 27px 27px; overflow: hidden; border: 1px solid rgba(33,53,71,.1); border-radius: 24px; background: rgba(255,255,255,.96); box-shadow: 0 11px 29px rgba(33,53,71,.075); text-align: left; }
.quiz-page .quiz-question::after { content: ''; position: absolute; width: 105px; height: 105px; top: -70px; right: -50px; border-radius: 50%; background: #e9f7f4; }
.quiz-question-head { position: relative; z-index: 1; display: grid; grid-template-columns: 42px minmax(0, 1fr); align-items: flex-start; gap: 13px; margin-bottom: 19px; }
.quiz-page .quiz-question .qnum { display: grid; width: 39px; height: 39px; margin: 0; place-items: center; border: 5px solid #e5f5f2; border-radius: 50%; background: var(--teal); color: #fff; font-family: var(--font-display); font-size: .9rem; line-height: 1; box-shadow: 0 0 0 1px rgba(42,157,143,.18); }
.quiz-page .quiz-question .qtext { display: flex; align-items: center; gap: 9px; min-height: 39px; margin: 0; color: var(--ink); font-size: 1.05rem; line-height: 1.55; }
.quiz-page .qtext > span { flex: 1; }
.quiz-page .qtext .listen-btn { flex: 0 0 34px; }
.quiz-image-frame { width: min(100%, 430px); margin: 0 auto 20px; padding: 8px; border-radius: 20px; background: linear-gradient(145deg, #f2f8f7, #e8f2f0); box-shadow: inset 0 0 0 1px rgba(42,157,143,.08); }
.quiz-image-frame img { width: 100%; display: block; border-radius: 14px; }
.quiz-page .quiz-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
.quiz-page .quiz-option { display: block; padding: 0; border: 0; border-radius: 15px; background: transparent; }
.quiz-page .quiz-option input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.quiz-choice-content { display: grid; grid-template-columns: 32px minmax(0, 1fr) 23px; align-items: center; gap: 10px; min-height: 56px; padding: 10px 13px; border: 2px solid #dce8e8; border-radius: 15px; background: #f8fbfa; color: var(--ink); transition: border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition); }
.quiz-choice-content i { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 10px; background: #e8f5f2; color: var(--teal-dark); font-family: var(--font-display); font-size: .75rem; font-style: normal; font-weight: 800; }
.quiz-choice-content b { font-size: .87rem; font-weight: 600; }
.quiz-choice-content em { display: grid; width: 21px; height: 21px; place-items: center; border-radius: 50%; background: var(--teal); color: #fff; font-size: .62rem; font-style: normal; opacity: 0; transform: scale(.7); transition: opacity var(--transition), transform var(--transition); }
.quiz-page .quiz-option:hover .quiz-choice-content { border-color: #8fcfc6; background: #f1faf8; transform: translateY(-2px); }
.quiz-page .quiz-option input:focus-visible + .quiz-choice-content { outline: 3px solid rgba(42,157,143,.25); outline-offset: 3px; }
.quiz-page .quiz-option input:checked + .quiz-choice-content { border-color: var(--teal); background: #eaf8f5; box-shadow: 0 7px 16px rgba(42,157,143,.11); }
.quiz-page .quiz-option input:checked + .quiz-choice-content i { background: var(--teal); color: #fff; }
.quiz-page .quiz-option input:checked + .quiz-choice-content em { opacity: 1; transform: scale(1); }
.quiz-submit-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 26px; padding: 22px 25px; border: 1px solid #cfe6e2; border-radius: 22px; background: linear-gradient(115deg, #fff, #eaf8f5); box-shadow: 0 11px 27px rgba(33,53,71,.075); }
.quiz-submit-panel > div { display: flex; flex-direction: column; }
.quiz-submit-panel > div > span { color: var(--teal-dark); font-size: .67rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.quiz-submit-panel > div > strong { margin-top: 3px; font-size: .9rem; }
.quiz-submit-panel .btn { min-width: 180px; }

.quiz-page .quiz-result { position: relative; max-width: 650px; margin: 34px auto 0; padding: 40px 34px 42px; overflow: hidden; border: 1px solid #cfe6e2; border-radius: 28px; background: radial-gradient(circle at 85% 12%, rgba(255,159,67,.14), transparent 26%), linear-gradient(145deg, #fff, #eef9f7); box-shadow: 0 18px 40px rgba(33,53,71,.12); }
.quiz-result-mascot { display: grid; width: 92px; height: 92px; margin: 0 auto 12px; place-items: center; border-radius: 50%; background: #fff; box-shadow: 0 9px 22px rgba(33,53,71,.09); }
.quiz-result-mascot img { width: 79px; }
.quiz-result-kicker { color: var(--teal-dark); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.quiz-page .quiz-result h2 { margin-top: 5px; font-size: clamp(1.55rem, 3vw, 2rem); }
.quiz-score-ring { position: relative; display: grid; width: 142px; height: 142px; margin: 23px auto 12px; place-items: center; border-radius: 50%; background: conic-gradient(var(--teal) 0 var(--quiz-score), #deebe9 var(--quiz-score) 100%); box-shadow: 0 11px 25px rgba(42,157,143,.16); }
.quiz-score-ring::before { content: ''; position: absolute; width: 110px; height: 110px; border-radius: 50%; background: #fff; }
.quiz-score-ring > div { position: relative; z-index: 1; display: flex; align-items: baseline; gap: 4px; }
.quiz-score-ring strong { color: var(--teal-dark); font-family: var(--font-display); font-size: 2.7rem; line-height: 1; }
.quiz-score-ring span { color: var(--ink-soft); font-size: 1rem; font-weight: 700; }
.quiz-page .quiz-result > p { color: var(--ink-soft); font-size: .8rem; }
.quiz-page .quiz-result .btn { margin-top: 18px; }
main.quiz-page + .site-footer { margin-top: 0; }

@media (max-width: 620px) {
  .quiz-page { padding: 31px 0 63px; }
  .quiz-page-hero { display: flex; padding: 25px 20px 28px; flex-direction: column-reverse; gap: 13px; text-align: center; }
  .quiz-hero-mascot { width: 120px; height: 120px; }
  .quiz-hero-mascot img { width: 98px; }
  .quiz-hero-meta { justify-content: center; }
  .quiz-form { margin-top: 24px; }
  .quiz-page .quiz-question { padding: 20px 16px 19px; border-radius: 21px; }
  .quiz-question-head { grid-template-columns: 36px minmax(0, 1fr); gap: 9px; }
  .quiz-page .quiz-question .qnum { width: 34px; height: 34px; border-width: 4px; }
  .quiz-page .quiz-question .qtext { min-height: 34px; font-size: .93rem; }
  .quiz-image-frame { padding: 6px; }
  .quiz-page .quiz-options { grid-template-columns: 1fr; }
  .quiz-choice-content { min-height: 52px; }
  .quiz-submit-panel { align-items: stretch; padding: 20px 18px; flex-direction: column; text-align: center; }
  .quiz-submit-panel .btn { width: 100%; }
  .quiz-page .quiz-result { margin-top: 24px; padding: 31px 20px 34px; }
}

@media (prefers-reduced-motion: reduce) {
  .quiz-choice-content { transition: none; }
  .quiz-page .quiz-option:hover .quiz-choice-content { transform: none; }
}

/* ── Course worksheet library ───────────────────────────────────── */
.worksheet-index-page { min-height: 72vh; padding: 46px 0 88px; overflow: hidden; background: radial-gradient(circle at 5% 11%, rgba(255,159,67,.08), transparent 18%), radial-gradient(circle at 97% 40%, rgba(42,157,143,.09), transparent 23%), #f8fbfa; }
.worksheet-index-container { max-width: 980px; }
.worksheet-index-back { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 18px; color: var(--ink-soft); font-size: .8rem; font-weight: 700; transition: color var(--transition), transform var(--transition); }
.worksheet-index-back:hover { color: var(--teal-dark); transform: translateX(-3px); }
.worksheet-index-hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 155px; align-items: center; gap: 27px; min-height: 240px; padding: 33px 35px 33px 39px; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 29px; background: radial-gradient(circle at 87% 18%, rgba(255,159,67,.25), transparent 24%), linear-gradient(125deg, var(--navy-dark), #1a5061 60%, var(--teal-dark)); color: #fff; box-shadow: 0 20px 43px rgba(22,40,63,.18); }
.worksheet-index-hero::after { content: ''; position: absolute; width: 195px; height: 195px; left: -112px; bottom: -128px; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; box-shadow: 0 0 0 35px rgba(255,255,255,.026); }
.worksheet-index-symbol { position: absolute; right: 24%; top: -35px; color: rgba(255,255,255,.055); font-family: var(--font-display); font-size: 11rem; font-weight: 800; line-height: 1; transform: rotate(9deg); }
.worksheet-index-hero-copy { position: relative; z-index: 1; }
.worksheet-index-hero-copy > span { color: #68ddce; font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.worksheet-index-hero h1 { margin-top: 6px; font-size: clamp(1.9rem, 3.5vw, 2.65rem); line-height: 1.25; letter-spacing: -.02em; }
.worksheet-index-hero-copy > p { max-width: 650px; margin-top: 9px; color: rgba(255,255,255,.7); font-size: .89rem; line-height: 1.68; }
.worksheet-index-meta { display: table; margin-top: 15px; padding: 6px 10px; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; background: rgba(255,255,255,.065); color: rgba(255,255,255,.63); font-size: .66rem; }
.worksheet-index-meta b, .worksheet-index-meta strong { color: #ffc078; font-family: var(--font-display); }
.worksheet-index-mascot { position: relative; z-index: 1; display: grid; width: 145px; height: 145px; place-items: center; }
.worksheet-index-mascot > span { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; box-shadow: inset 0 0 0 24px rgba(255,255,255,.025); }
.worksheet-index-mascot > span::after { content: ''; position: absolute; inset: 23px; border: 1px dashed rgba(255,255,255,.17); border-radius: 50%; }
.worksheet-index-mascot img { position: relative; z-index: 1; width: 118px; filter: drop-shadow(0 11px 12px rgba(8,27,41,.26)); }
.worksheet-index-content { padding-top: 51px; }
.worksheet-index-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 23px; }
.worksheet-index-heading > div > span { color: var(--teal-dark); font-size: .68rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.worksheet-index-heading h2 { margin-top: 3px; font-size: clamp(1.75rem, 3vw, 2.25rem); }
.worksheet-index-heading > p { max-width: 330px; color: var(--ink-soft); font-size: .76rem; text-align: right; }
.worksheet-index-page .worksheet-index-list { max-width: none; gap: 12px; }
.worksheet-index-page .worksheet-list-row { position: relative; display: grid; grid-template-columns: 68px minmax(0, 1fr) auto; align-items: center; gap: 18px; min-height: 96px; padding: 15px 17px; overflow: hidden; border: 1px solid rgba(33,53,71,.1); border-radius: 19px; background: rgba(255,255,255,.96); box-shadow: 0 7px 20px rgba(33,53,71,.065); }
.worksheet-index-page .worksheet-list-row::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--teal); }
.worksheet-index-page .worksheet-list-row.is-exam { border-color: #efd3b2; background: linear-gradient(110deg, #fff, #fff7ed); }
.worksheet-index-page .worksheet-list-row.is-exam::before { background: var(--orange); }
.worksheet-index-page .worksheet-list-row.is-completed { border-color: #a7dcc1; background: linear-gradient(110deg, #fff, #eef9f3); }
.worksheet-index-page .worksheet-list-row.is-completed::before { background: var(--green); }
.worksheet-index-page .worksheet-list-row .wl-day { display: flex; width: 62px; height: 62px; flex-direction: column; align-items: center; justify-content: center; border-radius: 17px; background: #e9f7f4; color: var(--teal-dark); }
.worksheet-index-page .worksheet-list-row.is-exam .wl-day { background: #fff0df; color: var(--orange-dark); }
.worksheet-index-page .worksheet-list-row .wl-day small { font-size: .55rem; font-weight: 700; text-transform: uppercase; }
.worksheet-index-page .worksheet-list-row .wl-day strong { font-family: var(--font-display); font-size: 1.55rem; line-height: 1; }
.worksheet-index-page .wl-title { min-width: 0; }
.worksheet-index-page .wl-type { display: block; color: var(--teal-dark); font-size: .56rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.worksheet-index-page .is-exam .wl-type { color: var(--orange-dark); }
.worksheet-index-page .wl-title h3 { margin-top: 2px; font-size: .93rem; line-height: 1.45; }
.worksheet-index-page .wl-title .badge { margin: 5px 0 0; padding: 3px 8px; background: var(--orange); font-size: .57rem; }
.wl-completed { position: absolute; top: 8px; right: 8px; display: grid; width: 23px; height: 23px; place-items: center; border: 2px solid #fff; border-radius: 50%; background: var(--green); color: #fff; font-size: .62rem; font-weight: 800; box-shadow: 0 4px 9px rgba(76,175,130,.2); }
.worksheet-index-page .wl-actions { display: flex; gap: 7px; padding-right: 5px; }
.worksheet-index-page .wl-actions .btn { min-width: 88px; border-radius: 11px; }
.worksheet-pdf-button { background: var(--navy); color: #fff; box-shadow: none; }
.worksheet-pdf-button:hover { background: var(--navy-dark); }
main.worksheet-index-page + .site-footer { margin-top: 0; }

@media (max-width: 650px) {
  .worksheet-index-page { padding: 31px 0 63px; }
  .worksheet-index-hero { display: flex; padding: 25px 20px 28px; flex-direction: column-reverse; gap: 13px; text-align: center; }
  .worksheet-index-mascot { width: 120px; height: 120px; }
  .worksheet-index-mascot img { width: 98px; }
  .worksheet-index-meta { margin-inline: auto; }
  .worksheet-index-content { padding-top: 41px; }
  .worksheet-index-heading { align-items: center; flex-direction: column; gap: 8px; text-align: center; }
  .worksheet-index-heading > p { text-align: center; }
  .worksheet-index-page .worksheet-list-row { grid-template-columns: 55px minmax(0, 1fr); gap: 12px; padding: 13px 13px 14px; }
  .worksheet-index-page .worksheet-list-row .wl-day { width: 52px; height: 52px; border-radius: 15px; }
  .worksheet-index-page .worksheet-list-row .wl-day strong { font-size: 1.35rem; }
  .worksheet-index-page .wl-title h3 { padding-right: 16px; font-size: .82rem; }
  .worksheet-index-page .wl-actions { grid-column: 1 / -1; width: 100%; padding: 0; }
  .worksheet-index-page .wl-actions .btn { flex: 1; }
}

/* ── Printable worksheet experience ─────────────────────────────── */
.worksheet-page { min-height: 75vh; padding: 46px 0 88px; overflow: hidden; background: radial-gradient(circle at 6% 5%, rgba(255,159,67,.08), transparent 18%), radial-gradient(circle at 97% 25%, rgba(42,157,143,.09), transparent 23%), #f8fbfa; }
.worksheet-page-container { max-width: 900px; }
.worksheet-page .worksheet-header { margin-bottom: 43px; text-align: left; }
.worksheet-page-back { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 17px; color: var(--ink-soft); font-size: .8rem; font-weight: 700; transition: color var(--transition), transform var(--transition); }
.worksheet-page-back:hover { color: var(--teal-dark); transform: translateX(-3px); }
.worksheet-header-panel { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 145px; align-items: center; min-height: 225px; padding: 31px 35px 31px 39px; overflow: hidden; border-radius: 28px; background: radial-gradient(circle at 87% 18%, rgba(255,159,67,.28), transparent 25%), linear-gradient(125deg, var(--navy-dark), #174c5d 60%, var(--teal-dark)); color: #fff; box-shadow: 0 19px 42px rgba(22,40,63,.18); }
.worksheet-header-panel::before { content: '+'; position: absolute; left: 53%; bottom: -76px; color: rgba(255,255,255,.045); font-family: var(--font-display); font-size: 13rem; font-weight: 800; line-height: 1; transform: rotate(12deg); }
.worksheet-header-panel::after { content: ''; position: absolute; width: 170px; height: 170px; left: -98px; top: -99px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; box-shadow: 0 0 0 34px rgba(255,255,255,.025); }
.worksheet-header-copy { position: relative; z-index: 1; }
.worksheet-kicker { color: #68ddce; font-size: .69rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.worksheet-header-panel h1 { margin-top: 5px; color: #fff; font-size: clamp(2rem, 4vw, 2.8rem); line-height: 1.15; letter-spacing: -.025em; }
.worksheet-header-panel p { margin-top: 8px; color: rgba(255,255,255,.72); font-size: .91rem; }
.worksheet-header-meta { display: table; margin-top: 14px; padding: 6px 11px; border: 1px solid rgba(255,255,255,.14); border-radius: 999px; background: rgba(255,255,255,.07); color: rgba(255,255,255,.66); font-size: .66rem; }
.worksheet-header-meta strong { color: #ffc078; font-family: var(--font-display); }
.worksheet-header-mascot { position: relative; z-index: 1; display: grid; width: 136px; height: 136px; place-items: center; }
.worksheet-header-mascot > span { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.19); border-radius: 50%; box-shadow: inset 0 0 0 22px rgba(255,255,255,.025); }
.worksheet-header-mascot img { position: relative; z-index: 1; width: 108px; filter: drop-shadow(0 11px 12px rgba(8,27,41,.28)); }
.worksheet-actions { display: flex; justify-content: center; gap: 9px; margin: -18px auto 0; position: relative; z-index: 2; }
.worksheet-actions .btn { border-radius: 12px; box-shadow: 0 8px 19px rgba(33,53,71,.1); }
.worksheet-actions .btn-outline { background: #fff; }
.worksheet-page .worksheet-content { max-width: none; margin: 0; }
.worksheet-content-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 20px; }
.worksheet-content-heading > div > span { color: var(--teal-dark); font-size: .67rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.worksheet-content-heading h2 { margin-top: 2px; font-size: clamp(1.7rem, 3vw, 2.2rem); }
.worksheet-content-heading > p { max-width: 360px; color: var(--ink-soft); font-size: .76rem; line-height: 1.6; text-align: right; }
.worksheet-page .worksheet-problem { position: relative; display: block; margin-bottom: 15px; padding: 23px 25px 20px; overflow: hidden; border: 1px solid rgba(33,53,71,.1); border-radius: 19px; background: rgba(255,255,255,.97); box-shadow: 0 8px 23px rgba(33,53,71,.065); }
.worksheet-page .worksheet-problem::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 4px; background: linear-gradient(var(--teal), #67c8b9); }
.worksheet-question { display: flex; align-items: flex-start; gap: 13px; width: 100%; color: var(--ink); font-size: .95rem; font-weight: 700; line-height: 1.65; }
.worksheet-page .worksheet-question .qnum { display: grid; width: 31px; height: 31px; flex: 0 0 31px; place-items: center; border-radius: 10px; background: #e5f6f2; color: var(--teal-dark); font-family: var(--font-display); font-size: .9rem; font-weight: 800; }
.worksheet-image { display: table; margin: 14px 0 2px 44px; padding: 8px; border: 1px solid #dbeae7; border-radius: 16px; background: #f8fbfa; }
.worksheet-image img { display: block; max-width: 280px; max-height: 220px; border-radius: 10px; object-fit: contain; }
.worksheet-page .worksheet-blank { position: relative; width: calc(100% - 44px); height: 53px; margin: 8px 0 12px 44px; border-bottom: 2px dashed #aac7c2; background: linear-gradient(180deg, transparent 65%, rgba(42,157,143,.035)); }
.worksheet-page .worksheet-blank span { position: absolute; left: 2px; bottom: 7px; color: #a5b3b7; font-size: .62rem; font-weight: 600; letter-spacing: .02em; }
.worksheet-answer { min-height: 32px; margin-left: 44px; }
.worksheet-answer .btn { border-radius: 10px; background: #fff; }
.worksheet-answer > span { padding: 7px 12px; border-radius: 9px; background: #e9f8f3; color: var(--teal-dark); font-size: .82rem; font-weight: 800; }
.worksheet-answer > span small { margin-right: 5px; color: var(--ink-soft); font-size: .58rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.worksheet-finish { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 35px; padding: 22px 24px; border: 1px solid #f1d3ad; border-radius: 21px; background: linear-gradient(115deg, #fff9f1, #fff 70%); box-shadow: 0 9px 25px rgba(33,53,71,.07); }
.worksheet-finish-copy { display: flex; align-items: center; gap: 13px; }
.worksheet-finish-copy > span { display: grid; width: 42px; height: 42px; flex: 0 0 42px; place-items: center; border-radius: 14px; background: #ffecd3; color: var(--orange-dark); font-size: 1.05rem; }
.worksheet-finish-copy strong { display: block; font-family: var(--font-display); font-size: 1.05rem; }
.worksheet-finish-copy p { margin-top: 1px; color: var(--ink-soft); font-size: .7rem; }
.worksheet-finish-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 7px; }
.worksheet-finish-actions .btn { border-radius: 11px; }
.worksheet-finish-actions form { display: inline-flex; }
main.worksheet-page + .site-footer { margin-top: 0; }

@media (max-width: 700px) {
  .worksheet-page { padding: 30px 0 65px; }
  .worksheet-page .worksheet-header { margin-bottom: 38px; }
  .worksheet-header-panel { display: flex; min-height: 0; padding: 24px 20px 31px; flex-direction: column-reverse; gap: 11px; text-align: center; }
  .worksheet-header-mascot { width: 112px; height: 112px; }
  .worksheet-header-mascot img { width: 88px; }
  .worksheet-header-meta { margin-inline: auto; }
  .worksheet-actions { width: calc(100% - 24px); flex-wrap: wrap; }
  .worksheet-actions .btn:first-child { width: 100%; }
  .worksheet-actions .btn:not(:first-child) { flex: 1; }
  .worksheet-content-heading { align-items: center; flex-direction: column; gap: 6px; text-align: center; }
  .worksheet-content-heading > p { text-align: center; }
  .worksheet-page .worksheet-problem { padding: 19px 17px 17px; }
  .worksheet-question { gap: 10px; font-size: .86rem; }
  .worksheet-image { margin-left: 40px; }
  .worksheet-image img { max-width: min(230px, calc(100vw - 108px)); }
  .worksheet-page .worksheet-blank { width: calc(100% - 40px); margin-left: 40px; }
  .worksheet-answer { margin-left: 40px; }
  .worksheet-finish { align-items: stretch; flex-direction: column; }
  .worksheet-finish-actions { justify-content: stretch; }
  .worksheet-finish-actions .btn, .worksheet-finish-actions form, .worksheet-finish-actions form .btn { width: 100%; }
}

/* ── Admin panel ─────────────────────────────────────────────────── */
.admin-subnav { background: var(--ink); }
.admin-subnav .container { display: flex; gap: 4px; flex-wrap: wrap; }
.admin-subnav a { color: rgba(255,255,255,0.7); padding: 12px 16px; font-weight: 600; font-size: 0.9rem; text-decoration: none; }
.admin-subnav a:hover, .admin-subnav a.active { color: #fff; background: rgba(255,255,255,0.1); }
.admin-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-top: 20px; }
.admin-stat-card { background: var(--white); border-radius: var(--radius-md); padding: 20px; text-align: center; box-shadow: var(--shadow-sm); border: 2px solid var(--border); }
.admin-stat-card .num { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--teal); }
.admin-stat-card .label { font-size: 0.85rem; color: var(--ink-soft); margin-top: 4px; }
.admin-table-wrap { overflow-x: auto; background: var(--white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); border: 2px solid var(--border); margin-top: 10px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th, .admin-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.admin-table th { background: var(--cream-soft); font-weight: 700; color: var(--ink); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--cream-soft); }
.admin-badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 700; text-transform: capitalize; }
.admin-form-row { margin-bottom: 14px; }
.admin-form-row label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 4px; }
.admin-form-row input[type="text"], .admin-form-row input[type="email"], .admin-form-row input[type="number"],
.admin-form-row input[type="date"], .admin-form-row select, .admin-form-row textarea {
  width: 100%; padding: 9px 12px; border-radius: 8px; border: 2px solid var(--border); font-family: inherit; font-size: 0.95rem;
}
.admin-search { padding: 9px 14px; border-radius: 999px; border: 2px solid var(--border); width: 100%; max-width: 320px; margin-bottom: 14px; }
.admin-card { background: var(--white); border-radius: var(--radius-md); padding: 20px; box-shadow: var(--shadow-sm); border: 2px solid var(--border); margin-bottom: 20px; }