/* ──────────────────────────────────────────────────────────
   ClassroomKit — Design System
   Editorial primary-school aesthetic.
   Cream paper background, deep teal primary, coral accent.
   ────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700;9..144,800&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  /* Brand */
  --color-ink:        #1a1a1a;
  --color-paper:      #fff8e7;
  --color-paper-2:    #fdf3d9;
  --color-rule:       #1a1a1a;
  --color-rule-soft:  rgba(26, 26, 26, 0.12);
  --color-muted:      #5c5651;

  --color-primary:    #0F4C5C;
  --color-primary-2:  #0a3a47;
  --color-accent:     #FB8B24;
  --color-accent-2:   #e07410;

  --color-success:    #2e7d5b;
  --color-warning:    #d26b2b;
  --color-error:      #b83a3a;

  /* Subject color tokens — used inline via [data-subject="..."] */
  --math:           #1E5BB8;  --math-soft:           #E8F0FB;
  --english:        #B83A3A;  --english-soft:        #FBEAEA;
  --science:        #2E7D5B;  --science-soft:        #E6F2EC;
  --social-studies: #A6651A;  --social-studies-soft: #F6EBDA;
  --geography:      #0F4C5C;  --geography-soft:      #DEEAEE;
  --art:            #7A3A8C;  --art-soft:            #EFE5F2;
  --pe-and-health:  #D26B2B;  --pe-and-health-soft:  #F8E6D6;
  --computing:      #3A4FB8;  --computing-soft:      #E7EBF8;
  --sel:            #C44E7C;  --sel-soft:            #F8E5EC;
  --music:          #1f7a8c;  --music-soft:          #E0EEF2;

  /* Typography */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout */
  --container:   1180px;
  --gutter:      24px;
  --radius-sm:   6px;
  --radius:      12px;
  --radius-lg:   20px;

  --shadow-sm:  0 1px 0 rgba(26,26,26,0.08), 0 1px 2px rgba(26,26,26,0.04);
  --shadow:     0 2px 0 rgba(26,26,26,0.08), 0 8px 24px rgba(26,26,26,0.06);
  --shadow-lg:  0 4px 0 rgba(26,26,26,0.10), 0 20px 50px rgba(26,26,26,0.10);

  --easing:     cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  color-scheme: light;       /* don't let iOS/Android auto-darken */
  background: #fff8e7;       /* fallback, in case CSS vars haven't loaded */
}
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  position: relative;
  min-height: 100vh;
}

/* Subtle paper texture */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  opacity: 0.35;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(15,76,92,0.04) 0, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(251,139,36,0.04) 0, transparent 40%);
}
main, header, footer { position: relative; z-index: 1; }

img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
a { color: var(--color-primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--color-accent-2); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: normal;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: 0;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; font-weight: 600; }

p { margin: 0 0 1em; }
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-muted);
}

/* ─── Layout ─── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ─── Header ─── */
.site-header {
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-paper);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(1.1);
}
.site-header__bar {
  display: flex; align-items: center; gap: 24px;
  padding: 18px var(--gutter);
  max-width: var(--container);
  margin: 0 auto;
}
.brand {
  display: flex; align-items: baseline; gap: 8px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.brand__dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  display: inline-block;
}
.nav-primary { display: none; gap: 4px; margin-left: auto; }
.nav-primary a {
  text-decoration: none;
  color: var(--color-ink);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 150ms var(--easing);
}
.nav-primary a:hover { background: var(--color-paper-2); }
.nav-primary a.is-cta {
  background: var(--color-primary); color: #fff;
  border: 1px solid var(--color-primary);
}
.nav-primary a.is-cta:hover { background: var(--color-primary-2); border-color: var(--color-primary-2); }

.nav-primary a.nav-free {
  background: #FB8B24;
  color: #fff !important;
  font-weight: 700;
}
.nav-primary a.nav-free:hover { background: #d97316; }

.nav-mobile__group {
  margin: 0;
}
.nav-mobile__group summary {
  cursor: pointer;
  padding: 12px 16px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius-sm);
}
.nav-mobile__group summary::-webkit-details-marker { display: none; }
.nav-mobile__group summary::after {
  content: '▾';
  font-size: 0.8em;
  opacity: 0.6;
  transition: transform 0.15s;
}
.nav-mobile__group[open] summary::after {
  transform: rotate(180deg);
}
.nav-mobile__group a {
  padding-left: 32px !important;
  font-size: 0.92rem;
}

@media (min-width: 880px) {
  .nav-primary { display: flex; align-items: center; }
}

.nav-mobile-toggle {
  margin-left: auto;
  background: none; border: 1px solid var(--color-rule);
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  display: grid; place-items: center;
}
@media (min-width: 880px) { .nav-mobile-toggle { display: none; } }

.nav-mobile {
  display: none;
  border-top: 1px solid var(--color-rule);
  padding: 12px var(--gutter);
  flex-direction: column; gap: 4px;
}
.nav-mobile.is-open { display: flex; }
.nav-mobile a {
  padding: 12px; text-decoration: none;
  color: var(--color-ink); font-weight: 500;
  border-radius: var(--radius-sm);
}
.nav-mobile a:hover { background: var(--color-paper-2); }

/* ─── Age-band mega dropdown ─── */
.nav-dropdown { position: relative; }

.nav-dropdown__trigger {
  background: none; border: none; cursor: pointer;
  color: var(--color-ink);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.95rem;
  font-family: var(--font-body);
  display: flex; align-items: center; gap: 5px;
  transition: background 150ms var(--easing);
  white-space: nowrap;
}
.nav-dropdown__trigger:hover { background: var(--color-paper-2); }
.nav-dropdown__arrow {
  font-size: 0.72em; opacity: 0.55;
  transition: transform 0.15s var(--easing);
  display: inline-block;
}

.nav-dropdown__panel {
  display: none;
  position: absolute;
  top: calc(100% + 6px); left: 0;
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(0,0,0,0.13);
  padding: 18px 20px 14px;
  min-width: 300px;
  grid-template-columns: 1fr 1fr;
  gap: 0 28px;
  z-index: 200;
}
/* Bridge gap so mouse can reach panel */
.nav-dropdown__panel::before {
  content: '';
  position: absolute;
  top: -10px; left: 0; right: 0; height: 10px;
}

.nav-dropdown:hover .nav-dropdown__panel,
.nav-dropdown:focus-within .nav-dropdown__panel { display: grid; }

.nav-dropdown:hover .nav-dropdown__arrow,
.nav-dropdown:focus-within .nav-dropdown__arrow { transform: rotate(180deg); }

.nav-dropdown__col-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 6px;
  padding: 0 6px;
}
.nav-dropdown__col a {
  display: block;
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-ink);
  transition: background 120ms, color 120ms;
  white-space: nowrap;
}
.nav-dropdown__col a:hover {
  background: var(--color-paper-2);
  color: var(--color-primary);
}
.nav-dropdown__col-all {
  display: block;
  margin-top: 8px;
  padding: 6px 6px 0;
  border-top: 1px solid var(--color-rule-soft);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}
.nav-dropdown__col-all:hover { text-decoration: underline; }

/* Mobile age-band groups */
.nav-mobile__band-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  padding: 10px 12px 4px;
}

/* Auth state slot — JS toggles content */
[data-auth="logged-out"], [data-auth="logged-in"] { display: none; }
body.is-logged-out [data-auth="logged-out"] { display: inline-flex; }
body.is-logged-in  [data-auth="logged-in"]  { display: inline-flex; }

/* ─── Hero ─── */
.hero {
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--color-rule);
  position: relative;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 920px) {
  .hero__inner { grid-template-columns: 1.3fr 1fr; gap: 60px; }
}
.hero h1 {
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: italic;
  color: var(--color-primary);
  font-family: var(--font-display);
}
.hero__lead {
  font-size: 1.25rem;
  color: var(--color-muted);
  max-width: 50ch;
  margin-bottom: 32px;
}
.hero__cta {
  display: flex; gap: 12px; flex-wrap: wrap;
}

.hero__visual {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
}
.hero__sample {
  background: #fff;
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.hero__sample .tag {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
}
.hero__sample:nth-child(2) { transform: rotate(2deg); }
.hero__sample:nth-child(3) { transform: rotate(-1.5deg); }
.hero__sample:nth-child(4) { transform: rotate(1deg); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 600; font-size: 1rem;
  text-decoration: none;
  transition: transform 120ms var(--easing), background 120ms var(--easing);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--color-primary); color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover { background: var(--color-primary-2); color: #fff; }
.btn--accent {
  background: var(--color-accent); color: #1a1a1a;
  border-color: var(--color-accent);
}
.btn--accent:hover { background: var(--color-accent-2); color: #fff; }
.btn--ghost {
  background: transparent; color: var(--color-ink);
  border-color: var(--color-rule);
}
.btn--ghost:hover { background: var(--color-paper-2); color: var(--color-ink); }
.btn--block { width: 100%; justify-content: center; }
.btn--lg { padding: 16px 28px; font-size: 1.05rem; }
.btn--sm { padding: 8px 14px; font-size: 0.9rem; }

/* ─── Sections ─── */
.section { padding: 72px 0; border-bottom: 1px solid var(--color-rule); }
.section--tight { padding: 48px 0; }
.section__head {
  display: grid; gap: 12px;
  margin-bottom: 40px;
  max-width: 60ch;
}
.section__head--centered { margin-left: auto; margin-right: auto; text-align: center; }

/* ─── Subject grid ─── */
.subject-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.subject-card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  transition: transform 150ms var(--easing), box-shadow 150ms var(--easing);
  position: relative;
}
.subject-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  color: inherit;
}
.subject-card__bar {
  height: 6px; width: 40px;
  border-radius: 3px;
  margin-bottom: 16px;
  background: var(--subject-color, var(--color-primary));
}
.subject-card__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 6px;
}
.subject-card__meta {
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* ─── Resource grid ─── */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.resource-card {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 150ms var(--easing), box-shadow 150ms var(--easing);
  text-decoration: none;
  color: inherit;
  position: relative;
}
.resource-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  color: inherit;
}
.resource-card__preview {
  aspect-ratio: 5/4;
  background: var(--subject-soft, var(--color-paper-2));
  position: relative;
  display: grid; place-items: center;
  border-bottom: 1px solid var(--color-rule);
  overflow: hidden;
}
.resource-card__thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  z-index: 1;
}
.resource-card__preview::after {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    135deg,
    transparent 0 12px,
    rgba(255,255,255,0.4) 12px 13px
  );
  pointer-events: none;
}
.resource-card__icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 4rem;
  color: var(--subject-color, var(--color-primary));
  line-height: 1;
  z-index: 1;
}
.resource-card__body {
  padding: 18px;
  display: flex; flex-direction: column; gap: 10px;
  flex: 1;
}
.resource-card__tags {
  display: flex; gap: 6px; flex-wrap: wrap;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}
.resource-card__tag {
  display: inline-flex;
  padding: 4px 8px;
  background: var(--subject-soft, var(--color-paper-2));
  color: var(--subject-color, var(--color-primary));
  border-radius: 4px;
}
.resource-card__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.25;
}
.resource-card__summary {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.45;
  flex: 1;
}
.resource-card__foot {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 8px;
  border-top: 1px dashed var(--color-rule-soft);
  font-size: 0.85rem;
}
.badge {
  display: inline-flex; align-items: center;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.badge--free { background: var(--color-accent); color: #1a1a1a; }
.badge--member { background: var(--color-primary); color: #fff; }
.badge--year { background: var(--color-paper-2); color: var(--color-ink); border: 1px solid var(--color-rule-soft); }

/* Locked overlay */
.resource-card.is-locked .resource-card__preview::before {
  content: '🔒';
  position: absolute;
  top: 12px; right: 12px;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: 50%;
  z-index: 2;
  font-size: 0.95rem;
}

/* ─── Filter bar ─── */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 16px 0 28px;
  border-bottom: 1px dashed var(--color-rule-soft);
  margin-bottom: 28px;
}
.filter-bar__chip {
  display: inline-flex; align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-rule);
  background: #fff;
  text-decoration: none;
  color: var(--color-ink);
  font-size: 0.9rem;
  transition: background 120ms var(--easing);
}
.filter-bar__chip:hover { background: var(--color-paper-2); color: var(--color-ink); }
.filter-bar__chip.is-active {
  background: var(--color-ink); color: var(--color-paper);
  border-color: var(--color-ink);
}

/* ─── Resource detail page ─── */
.resource-detail {
  display: grid; gap: 40px;
  grid-template-columns: 1fr;
  padding: 48px 0 80px;
}
@media (min-width: 920px) {
  .resource-detail { grid-template-columns: 1.4fr 1fr; gap: 56px; }
}
.resource-detail__preview {
  aspect-ratio: 1/1.414; /* A4 */
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.resource-detail__preview iframe {
  width: 100%; height: 100%;
  border: 0;
}
.resource-detail__locked-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,248,231,0.4) 0%, rgba(255,248,231,0.95) 60%, var(--color-paper) 100%);
  display: grid; place-items: center;
  text-align: center;
  padding: 40px;
}
.resource-detail__locked-overlay h3 { margin-bottom: 12px; }

.breadcrumbs {
  display: flex; gap: 8px; flex-wrap: wrap;
  font-size: 0.85rem; color: var(--color-muted);
  margin-bottom: 24px;
}
.breadcrumbs a { color: var(--color-muted); }
.breadcrumbs a:hover { color: var(--color-ink); }
.breadcrumbs span { color: var(--color-rule); }

.resource-meta {
  display: grid; gap: 16px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
}
.resource-meta__row {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  font-size: 0.95rem;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--color-rule-soft);
}
.resource-meta__row:last-child { border-bottom: 0; padding-bottom: 0; }
.resource-meta__label {
  color: var(--color-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* ─── Pricing ─── */
.pricing-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  max-width: 800px;
  margin: 0 auto;
}
.price-card {
  padding: 32px;
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: 16px;
}
.price-card.is-featured {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  position: relative;
}
.price-card.is-featured h3 { color: #fff; }
.price-card.is-featured .price-card__price { color: #fff; }
.price-card.is-featured::before {
  content: 'Best value';
  position: absolute;
  top: -12px; right: 24px;
  background: var(--color-accent);
  color: #1a1a1a;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.price-card__price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
}
.price-card__price small {
  font-size: 1rem; color: var(--color-muted); font-weight: 400;
}
.price-card.is-featured .price-card__price small { color: rgba(255,255,255,0.8); }
.price-card__features {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 0.95rem;
}
.price-card__features li {
  display: flex; gap: 10px; align-items: flex-start;
}
.price-card__features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
}
.price-card.is-featured .price-card__features li::before { color: var(--color-accent); }

/* ─── Forms ─── */
.form-card {
  max-width: 480px;
  margin: 64px auto;
  padding: 40px;
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.form-card h1 { font-size: 2rem; margin-bottom: 8px; }
.form-card p.lead { color: var(--color-muted); margin-bottom: 28px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}
.field input, .field select, .field textarea {
  font: inherit; font-family: var(--font-body);
  padding: 12px 14px;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 1rem;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.form-card__foot {
  text-align: center;
  margin-top: 20px;
  font-size: 0.95rem;
  color: var(--color-muted);
}
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.95rem;
}
.alert--info { background: var(--color-paper-2); border: 1px solid var(--color-rule-soft); }
.alert--success { background: #e6f2ec; border: 1px solid var(--color-success); color: #1a3d2c; }
.alert--error { background: #fbeaea; border: 1px solid var(--color-error); color: #5c1717; }

/* ─── Account page ─── */
.account-grid {
  display: grid; gap: 24px;
  grid-template-columns: 1fr;
}
@media (min-width: 740px) {
  .account-grid { grid-template-columns: 240px 1fr; }
}
.account-side {
  display: flex; flex-direction: column; gap: 4px;
}
.account-side a {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-ink);
  font-size: 0.95rem;
}
.account-side a:hover, .account-side a.is-active {
  background: var(--color-paper-2);
  color: var(--color-ink);
}
.account-card {
  padding: 32px;
  background: #fff;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
}

/* ─── Footer ─── */
.site-footer {
  background: #181410;
  color: #faf3e3;
  padding: 64px 0 24px;
  font-size: 0.95rem;
}
.site-footer a { color: var(--color-accent); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__cols {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
@media (max-width: 720px) { .site-footer__cols { grid-template-columns: 1fr 1fr; } }
.site-footer__col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-family: var(--font-body);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.site-footer__col ul {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 8px;
}
.site-footer__bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

/* ─── Search ─── */
.search-form {
  display: flex; gap: 8px;
  max-width: 540px;
}
.search-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  background: #fff;
}
.search-form input:focus { outline: 2px solid var(--color-primary); }

/* ─── Utility ─── */
.text-center { text-align: center; }
.muted { color: var(--color-muted); }
.mb-0 { margin-bottom: 0; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }

/* ─── Animations ─── */
@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-rise { animation: rise 600ms var(--easing) both; }
.animate-rise:nth-child(2) { animation-delay: 60ms; }
.animate-rise:nth-child(3) { animation-delay: 120ms; }
.animate-rise:nth-child(4) { animation-delay: 180ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ════════════════════ How-it-works grid ═════════════════════ */
.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  margin-top: 32px;
}
.how-step {
  position: relative;
  padding: 28px 24px 24px;
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  background: var(--color-paper);
}
.how-step__num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.how-step h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 8px;
}

/* ════════════════════ Articles grid + cards ══════════════════ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.article-card {
  display: block;
  padding: 24px;
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s, box-shadow 0.15s;
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px -10px rgba(0,0,0,0.12);
}
.article-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.3;
  margin: 6px 0 10px;
}

/* ════════════════════ Article list (index page) ══════════════ */
.article-list { display: flex; flex-direction: column; gap: 0; }
.article-row {
  display: block;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-rule-soft);
  text-decoration: none;
  color: inherit;
}
.article-row:last-child { border-bottom: none; }
.article-row h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.2;
  margin: 6px 0 6px;
}
.article-row__summary { margin-top: 8px; }
.article-row:hover h2 { color: var(--color-primary); }

/* ════════════════════ Article page (long-form) ══════════════ */
.article-page__head {
  padding: 80px 0 40px;
  background: var(--color-paper-2);
  border-bottom: 1px solid var(--color-rule-soft);
}
.article-page__head h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  margin: 4px 0 14px;
}
.article-page__sub {
  font-size: 1.15rem;
  color: var(--color-muted);
  font-style: italic;
  margin-bottom: 16px;
}
.article-page__body { padding: 48px 0; }
.article-page__body p {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.65;
  margin-bottom: 1.4em;
}
.article-page__body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin: 2em 0 0.6em;
}

/* ════════════════════ Grade chips ════════════════════════════ */
.grade-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}
.grade-chip {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--color-rule-soft);
  border-radius: 100px;
  background: var(--color-paper);
  text-decoration: none;
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.12s;
}
.grade-chip:hover { border-color: var(--color-primary); }
.grade-chip.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ════════════════════ FAQ items ══════════════════════════════ */
.faq-list, .faq-item {
  border-bottom: 1px solid var(--color-rule-soft);
}
details.faq-item {
  padding: 18px 0;
}
details.faq-item summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
details.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.4rem;
  font-weight: 400;
}
details.faq-item[open] summary::after { content: '−'; }
details.faq-item p {
  margin-top: 12px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* Same look for the legacy .faq-list > details */
.faq-list details {
  padding: 18px 0;
  border-bottom: 1px solid var(--color-rule-soft);
}
.faq-list details:last-child { border-bottom: none; }
.faq-list details summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq-list details summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.4rem;
}
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { margin-top: 12px; color: var(--color-muted); }

/* ════════════════════ Pricing cards ══════════════════════════ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}
.pricing-card {
  padding: 36px 28px;
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
}
.pricing-card--featured {
  border-color: var(--color-primary);
  border-width: 2px;
  position: relative;
}
.pricing-card__price { margin: 12px 0 16px; }
.pricing-card__amount {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.pricing-card__period { color: var(--color-muted); }
.pricing-card__features {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}
.pricing-card__features li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-rule-soft);
}
.pricing-card__features li:last-child { border-bottom: none; }

/* ════════════════════ Account page ═══════════════════════════ */
.account-card {
  padding: 24px;
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.account-card h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 0 0 14px;
}
.auth-gate {
  text-align: center;
  padding: 48px 24px;
}
.auth-gate .btn { margin: 0 6px; }

/* ════════════════════ Misc helpers ═══════════════════════════ */
.text-center { text-align: center; }
.mt-3 { margin-top: 16px; }
.mt-5 { margin-top: 32px; }
.section--top { padding-top: 48px; }

/* Responsive tweaks */
@media (max-width: 640px) {
  .how-grid { gap: 16px; }
  .how-step { padding: 22px 18px; }
  .pricing-grid { gap: 16px; }
  .article-row h2 { font-size: 1.3rem; }
}

/* ════════════════════ Search controls ════════════════════════ */
.search-controls {
  margin-bottom: 28px;
}
#search-input {
  width: 100%;
  padding: 14px 18px;
  font-size: 1.1rem;
  font-family: var(--font-body);
  background: var(--color-paper);
  border: 2px solid var(--color-rule-soft);
  border-radius: 100px;
  outline: none;
  transition: border-color 0.15s;
}
#search-input:focus { border-color: var(--color-primary); }

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 8px;
}
.filter-group {
  flex: 1 1 280px;
}
.filter-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 8px;
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip-row button.grade-chip {
  border-width: 1px;
  font: inherit;
  cursor: pointer;
}

/* ════════════════════ Collections ════════════════════════════ */
.collections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.collection-card {
  position: relative;
  display: block;
  padding: 32px 24px 24px;
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s, box-shadow 0.15s;
  overflow: hidden;
}
.collection-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -16px rgba(0,0,0,0.18);
}
.collection-card__bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 6px;
  background: var(--coll-color, var(--color-primary));
}
.collection-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 8px 0 6px;
  color: var(--coll-color, var(--color-primary));
}
.collection-card__sub {
  font-style: italic;
  margin-bottom: 16px;
}
.collection-card__count {
  font-size: 0.85rem;
  font-weight: 500;
}

/* Mobile responsive tweaks */
@media (max-width: 640px) {
  .filter-row { gap: 16px; }
  .filter-group { flex: 1 1 100%; }
  #search-input { font-size: 1rem; padding: 12px 16px; }
}

/* ════════════════════ Breadcrumbs ════════════════════════════ */
.breadcrumbs {
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--color-muted);
}
.breadcrumbs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.breadcrumbs li:not(:last-child)::after {
  content: '›';
  margin-left: 8px;
  opacity: 0.6;
}
.breadcrumbs a {
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.breadcrumbs a:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-ink);
}
.breadcrumbs span[aria-current] {
  color: var(--color-ink);
  font-weight: 500;
}

/* ════════════════════ A–Z index ══════════════════════════════ */
.az-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px;
  background: var(--color-paper-2);
  border-radius: var(--radius);
  margin-bottom: 32px;
  position: sticky;
  top: 0;
  z-index: 5;
}
.az-jump a {
  display: inline-block;
  padding: 6px 10px;
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-ink);
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.az-jump a:hover { background: var(--color-primary); color: white; }
.az-jump__inactive {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  min-width: 44px;
  min-height: 44px;
  text-align: center;
  color: var(--color-rule-soft);
  font-weight: 600;
}
.az-list { display: flex; flex-direction: column; gap: 28px; }
.az-section {
  border-top: 2px solid var(--color-rule-soft);
  padding-top: 16px;
  scroll-margin-top: 80px;
}
.az-section__heading {
  font-family: var(--font-display);
  font-size: 2.4rem;
  margin: 0 0 12px;
  color: var(--color-primary);
}
.az-section__items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 8px 24px;
}
.az-section__items li {
  padding: 6px 0;
  border-bottom: 1px solid var(--color-rule-soft);
}
.az-section__items a {
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 500;
}
.az-section__items a:hover { color: var(--color-primary); text-decoration: underline; }
.az-section__meta { font-size: 0.85rem; }

/* ════════════════════ Grade page subject sections ════════════ */
.grade-page__subject {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-rule-soft);
}
.grade-page__subject a {
  text-decoration: none;
  border-bottom: 1px dashed transparent;
}
.grade-page__subject a:hover { border-bottom-color: currentColor; }

.resource-grid--compact .resource-card {
  /* Compact variant for grade pages where we have many cards */
}

/* ════════════════════ Topic chips on resource page ═══════════ */
.topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.topic-chip {
  display: inline-block;
  padding: 6px 12px;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule-soft);
  border-radius: 100px;
  text-decoration: none;
  color: var(--color-ink);
  font-size: 0.85rem;
  font-weight: 500;
}
.topic-chip:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ════════════════════ Newsletter form ════════════════════════ */
.newsletter-form {
  display: flex;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.newsletter-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--color-paper);
  border: 2px solid var(--color-rule-soft);
  border-radius: 100px;
  outline: none;
}
.newsletter-form input[type="email"]:focus {
  border-color: var(--color-primary);
}

/* ════════════════════ Glossary list ══════════════════════════ */
.glossary-list { margin: 0; }
.glossary-list dt {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-top: 18px;
}
.glossary-list dd {
  margin: 6px 0 0;
  padding: 0;
  color: var(--color-ink);
  line-height: 1.55;
}

/* ════════════════════ Country picker ════════════════════════ */
#ck-country-picker {
  position: fixed; inset: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: center;
}
.ck-cp__backdrop {
  position: absolute; inset: 0;
  background: rgba(15, 76, 92, 0.7);
  backdrop-filter: blur(4px);
  animation: cpFade 0.2s ease;
}
.ck-cp__modal {
  position: relative;
  background: var(--color-paper);
  border-radius: var(--radius);
  padding: 32px 28px;
  max-width: 520px;
  width: calc(100% - 32px);
  box-shadow: 0 20px 60px -10px rgba(0,0,0,0.4);
  animation: cpSlide 0.3s ease;
}
.ck-cp__modal h2 {
  font-family: var(--font-display);
  margin: 0 0 8px;
  font-size: 1.5rem;
}
.ck-cp__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 24px 0 12px;
}
.ck-cp__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: white;
  border: 2px solid var(--color-rule-soft);
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  text-align: left;
  transition: all 0.15s;
  color: #1a1a1a;
}
.ck-cp__btn:hover {
  border-color: var(--color-primary);
  background: var(--color-paper-2);
  transform: translateY(-1px);
}
.ck-cp__flag { font-size: 1.6rem; line-height: 1; }
.ck-cp__name { font-weight: 600; }
.ck-cp__skip { text-align: center; margin: 16px 0 0; font-size: 0.9rem; }
@keyframes cpFade { from { opacity: 0; } to { opacity: 1; } }
@keyframes cpSlide { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 480px) {
  .ck-cp__grid { grid-template-columns: 1fr; }
}

/* Country chip in nav / footer */
.country-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--color-paper-2);
  border: 1px solid var(--color-rule-soft);
  border-radius: 100px;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--color-ink);
  cursor: pointer;
}
.country-chip:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ════════════════════ Pricing tiers (4-column) ═══════════ */
.pricing-tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 0 auto;
}
.pricing-tier {
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.pricing-tier--featured {
  border-color: var(--color-accent);
  border-width: 2px;
  box-shadow: 0 12px 40px -12px rgba(251, 139, 36, 0.25);
}
.pricing-tier__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: white;
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.pricing-tier__name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 4px;
  color: var(--color-ink);
}
.pricing-tier__tagline {
  margin: 0 0 18px;
  font-size: 0.9rem;
}
.pricing-tier__price { margin: 14px 0 18px; }
.pricing-tier__amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-ink);
}
.pricing-tier__period {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-left: 4px;
}
.pricing-tier__annual {
  margin: 8px 0 0;
  font-size: 0.85rem;
}
.pricing-tier__features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  flex: 1;
}
.pricing-tier__features li {
  padding: 6px 0;
  padding-left: 22px;
  position: relative;
  font-size: 0.95rem;
  color: var(--color-ink);
}
.pricing-tier__features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}
.pricing-tier--featured .pricing-tier__features li::before {
  color: var(--color-accent);
}
.btn--accent {
  background: var(--color-accent);
  color: white;
}
.btn--accent:hover {
  background: #e07a14;
  color: white;
}

/* ════════════════════ Features grid (for-schools) ════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.feature h3 {
  font-family: var(--font-display);
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--color-ink);
}
.feature p { margin: 0; font-size: 0.95rem; }

/* Steps list */
.steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding: 18px 18px 18px 60px;
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  margin-bottom: 14px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 32px; height: 32px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-display);
}
.steps li strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 6px;
  font-family: var(--font-display);
  color: var(--color-ink);
}
.steps li p { margin: 0; }

/* Trust list */
.trust-list { list-style: none; padding: 0; }
.trust-list li {
  padding: 12px 0 12px 32px;
  position: relative;
  border-bottom: 1px solid var(--color-rule-soft);
}
.trust-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 12px;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.2rem;
}

/* CTA section */
.section--cta { text-align: center; padding: 60px 20px; }

/* Compare grid (why-classroomkit) */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 24px 0;
}
.compare-card {
  background: var(--color-paper);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius);
  padding: 24px;
}
.compare-card--us {
  border-color: var(--color-primary);
  border-width: 2px;
  background: var(--color-paper);
}
.compare-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-rule-soft);
  color: var(--color-ink);
}
.compare-card--us .compare-card__title { color: var(--color-primary); }
.compare-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.compare-card__list li {
  padding: 8px 0 8px 22px;
  position: relative;
  font-size: 0.95rem;
  color: var(--color-ink);
}
.compare-card__list li::before {
  content: "—";
  position: absolute; left: 0;
  color: var(--color-muted);
}
.compare-card--us .compare-card__list li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: 700;
}

/* ── Book list for resources with recommended_books ── */
.book-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 640px;
  display: grid;
  gap: 6px;
}
.book-list__item {
  border-bottom: 1px solid var(--color-rule-soft);
  padding: 10px 0;
}
.book-list__item:last-child { border-bottom: none; }
.book-list__link {
  display: block;
  text-decoration: none;
  color: var(--color-ink);
  padding: 4px 8px;
  margin: 0 -8px;
  border-radius: 4px;
  transition: background 0.15s ease;
}
.book-list__link:hover {
  background: rgba(0,0,0,0.03);
  color: var(--color-primary);
}
.book-list__title { font-weight: 600; }
.book-list__author { color: var(--color-muted); }
.book-list__note { font-size: 0.9rem; }

/* ── Recommendations hub grid ── */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

/* ── Affiliate disclosure in footer ── */
.site-footer__disclosure {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-rule-soft);
  font-size: 0.85rem;
  color: var(--color-muted);
  max-width: 880px;
}
.site-footer__disclosure p { margin: 0; line-height: 1.5; }
.site-footer__disclosure a { color: var(--color-muted); text-decoration: underline; }
.site-footer__disclosure a:hover { color: var(--color-primary); }

/* ── Accessibility: skip-to-content link ── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-primary);
  color: var(--color-paper);
  padding: 12px 20px;
  text-decoration: none;
  font-weight: 600;
  border-radius: 4px;
  z-index: 10000;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 16px;
  outline: 2px solid var(--color-paper);
  outline-offset: 2px;
}

/* ── Accessibility: visually-hidden labels for screen readers ── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Why-grid (homepage credibility band) */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}
.why-card {
  background: white;
  border: 1.5px solid var(--color-rule);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: transform 0.15s, box-shadow 0.15s;
}
.why-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.05);
}
.why-card__icon {
  font-size: 1.75rem;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.why-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
  line-height: 1.3;
}
.why-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Article footer (share + email capture) */
.article-footer {
  border-top: 2px solid var(--color-rule);
  padding-top: 2rem;
  margin-bottom: 2rem;
}
.article-share {
  margin-bottom: 2.5rem;
}
.article-share__label {
  font-weight: 600;
  font-size: 0.92rem;
  margin: 0 0 0.75rem;
}
.article-share__buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.article-share__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  border: 1.5px solid var(--color-rule);
  background: white;
  color: var(--color-ink);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.article-share__btn:hover {
  border-color: var(--color-primary);
  background: var(--color-paper-2);
}
.article-share__btn span:first-child {
  font-weight: 700;
  display: inline-block;
  width: 1.1rem;
  text-align: center;
}
.article-cta {
  background: var(--color-paper-2);
  border-radius: 14px;
  padding: 2rem 1.75rem;
  border-left: 4px solid var(--color-primary);
}
.article-cta p.eyebrow {
  margin: 0 0 0.5rem;
}
.article-cta h3 {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
  line-height: 1.3;
}

/* Article bundle suggestion */
.bundle-suggest {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: white;
  border: 2px solid var(--color-rule);
  border-left: 6px solid var(--bundle-color);
  border-radius: 14px;
  padding: 1.5rem 1.75rem;
}
.bundle-suggest__icon { font-size: 2.5rem; line-height: 1; flex-shrink: 0; }
.bundle-suggest__body { flex: 1; }
.bundle-suggest__eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--bundle-color);
  margin: 0 0 0.4rem;
}
.bundle-suggest h3 { font-size: 1.25rem; margin: 0 0 0.5rem; }
.bundle-suggest p { margin: 0; line-height: 1.5; font-size: 0.95rem; }
@media (max-width: 600px) {
  .bundle-suggest { flex-direction: column; gap: 0.75rem; }
}

/* ============================================================
   Print stylesheet — for users who print articles or pages
   Hide chrome (nav, footer, share buttons, email captures, modals)
   so the printed page is clean reading material.
============================================================ */
@media print {
  /* Hide site chrome */
  header,
  .nav-primary, .nav-mobile-toggle, .nav-mobile-panel,
  .site-footer,
  .breadcrumbs,
  .ck-onboard,
  .lk-modal,
  .article-share, .article-cta, .article-footer,
  .bundle-suggest,
  .resource-card__preview,
  .resource-card__foot,
  .grade-chips,
  .free-filter,
  .welcome-bundle__actions,
  .welcome-actions,
  .testimonial-form,
  iframe { display: none !important; }

  /* Reset background to plain white */
  body, html {
    background: white !important;
    color: #000 !important;
    font-size: 11pt;
    line-height: 1.5;
  }

  /* Articles & content: full width, readable type */
  .container, .article-page__body, main {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    background: white !important;
  }

  .section, .hero {
    background: white !important;
    padding: 0.5cm 0 !important;
  }

  /* Headings: avoid orphan headings at page bottom */
  h1, h2, h3, h4 {
    page-break-after: avoid;
    color: #000 !important;
  }
  h1 { font-size: 22pt; }
  h2 { font-size: 16pt; margin-top: 1.2em; }
  h3 { font-size: 13pt; }

  /* Paragraphs and lists shouldn't break across pages awkwardly */
  p, li, blockquote {
    orphans: 3; widows: 3;
    color: #000 !important;
  }

  /* Show URLs after links so readers can find them again */
  article a[href^="http"]:not([href*="lessonkind"])::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
    color: #555;
    word-break: break-all;
  }
  article a[href^="/"]::after {
    content: " (lessonkind.com" attr(href) ")";
    font-size: 0.85em;
    color: #555;
  }

  /* Resource cards in 'related' sections — keep simple list */
  .resource-grid {
    display: block !important;
  }
  .resource-card {
    display: block !important;
    border: none !important;
    border-bottom: 1pt solid #ccc !important;
    padding: 0.4cm 0 !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }
  .resource-card__body { padding: 0 !important; }

  /* Recommended-books lists (article footers): simple bibliography */
  .article-page ul {
    list-style: disc;
    padding-left: 1.5em;
  }

  /* Override image colour for cleaner printing */
  img { max-width: 100% !important; }

  /* Page break helpers */
  .page-break { page-break-before: always; }

  /* Brand watermark on printed articles */
  .article-page__head::after {
    content: "lessonkind.com";
    display: block;
    font-size: 9pt;
    color: #888;
    margin-top: 0.5cm;
  }

  /* Reset grids that don't make sense in print */
  .subject-grid, .articles-grid, .why-grid, .bundle-grid,
  .collection-grid, .welcome-actions {
    display: block !important;
  }

  /* Resource page: hide preview iframe (it's just decoration in print) */
  .resource-preview { display: none !important; }
}

/* Resource preview — bulletproof PNG version (replaces iframe) */
.resource-preview-png {
  display: block;
  position: relative;
  border: 2px solid var(--color-rule);
  border-radius: 12px;
  overflow: hidden;
  background: #f5f0e0;
  text-decoration: none;
  transition: all 0.15s;
  margin-bottom: 0.5rem;
}
.resource-preview-png:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.resource-preview-png__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 700px;
  object-fit: contain;
  object-position: top center;
}
.resource-preview-png__overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.25rem;
  background: linear-gradient(to top, rgba(0,0,0,0.55), transparent);
  display: flex;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}
.resource-preview-png:hover .resource-preview-png__overlay {
  opacity: 1;
}
.resource-preview-png__badge {
  background: white;
  color: var(--color-ink);
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* ============================================================
   Top banner — instant-access announcement at very top
============================================================ */
.top-banner {
  background: linear-gradient(135deg, #0F4C5C 0%, #1a6378 100%);
  color: white;
  font-size: 0.92rem;
}
.top-banner__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.top-banner__icon { font-size: 1.2rem; line-height: 1; flex-shrink: 0; }
.top-banner__text { flex: 1; min-width: 0; }
.top-banner__text strong { font-weight: 700; }
.top-banner__link {
  color: #FB8B24 !important;
  font-weight: 700;
  text-decoration: underline;
  margin-left: 0.3rem;
}
.top-banner__link:hover { color: #ffa64d !important; }
.top-banner__close {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  transition: all 0.15s;
}
.top-banner__close:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.5);
}
@media (max-width: 600px) {
  .top-banner { font-size: 0.85rem; }
  .top-banner__inner { padding: 0.5rem 0.75rem; gap: 0.5rem; }
}

/* ============================================================
   Tools nav button — distinct from regular nav items so visitors
   notice we have interactive tools (high discoverability)
============================================================ */
.nav-primary a.nav-tools {
  background: #1E5BB8;
  color: #fff !important;
  font-weight: 700;
}
.nav-primary a.nav-tools:hover {
  background: #194a96;
}

/* ============================================================
   Mega-footer (6 columns, more content, Twinkl-style)
============================================================ */
.site-footer__cols--mega {
  grid-template-columns: repeat(6, 1fr);
  gap: 2rem;
}
@media (max-width: 1100px) {
  .site-footer__cols--mega { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 700px) {
  .site-footer__cols--mega { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
}
@media (max-width: 480px) {
  .site-footer__cols--mega { grid-template-columns: 1fr; }
}
.site-footer__col h4 {
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
  margin: 0 0 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.site-footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}
.site-footer__col li {
  margin: 0.25rem 0;
}
.site-footer__col a {
  color: rgba(255,255,255,0.7);
  font-size: 0.84rem;
  text-decoration: none;
  line-height: 1.5;
}
.site-footer__col a:hover {
  color: white;
  text-decoration: underline;
}
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
  gap: 1rem;
}
.site-footer__bottom a {
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
  text-decoration: none;
}
.site-footer__bottom a:hover { color: white; }

/* ============================================================
   Book recommendation list — with stylized book-cover thumbnails
============================================================ */
.book-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.book-list__item {
  border-bottom: 1px solid var(--color-rule-soft);
}
.book-list__item:last-child {
  border-bottom: none;
}
.book-list__link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0.5rem;
  text-decoration: none;
  color: inherit;
  transition: background 0.12s;
  border-radius: 6px;
}
.book-list__link:hover {
  background: var(--color-paper-2);
}
.book-list__text {
  flex: 1;
  min-width: 0;
}

/* Stylized book cover — uses CSS to fake an Amazon-style thumbnail */
.book-thumb {
  position: relative;
  display: inline-block;
  width: 56px;
  height: 80px;
  flex-shrink: 0;
  border-radius: 3px 5px 5px 3px;
  background:
    linear-gradient(135deg,
      hsl(var(--book-hue), 45%, 35%) 0%,
      hsl(var(--book-hue), 45%, 25%) 100%);
  box-shadow:
    0 1px 0 rgba(0,0,0,0.1),
    1px 1px 4px rgba(0,0,0,0.15),
    inset 0 0 0 1px rgba(255,255,255,0.08);
  overflow: hidden;
}
.book-thumb__spine {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 5px;
  background: linear-gradient(to right,
    rgba(0,0,0,0.35),
    rgba(0,0,0,0.05));
}
.book-thumb__letter {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.85);
  font-size: 1.6rem;
  font-weight: 700;
  font-family: Georgia, "Times New Roman", serif;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* ============================================================
   Tools showcase grid (homepage + subject pages)
============================================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.tool-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.25rem 1.1rem;
  background: white;
  border: 1.5px solid var(--color-rule);
  border-radius: 12px;
  text-decoration: none;
  color: var(--color-ink);
  transition: all 0.15s;
}
.tool-card:hover {
  border-color: #1E5BB8;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.06);
}
.tool-card__icon {
  font-size: 1.6rem;
  line-height: 1;
}
.tool-card__name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-ink);
}
.tool-card__desc {
  font-size: 0.82rem;
  color: var(--color-muted);
  line-height: 1.4;
}
.tool-card--all {
  background: linear-gradient(135deg, #1E5BB810 0%, #FB8B2410 100%);
  border-color: #1E5BB8;
  border-style: dashed;
}
.tool-card--all .tool-card__name {
  color: #1E5BB8;
}