/*
 * The public pages: the home page and the lesson catalogue. Both sit on the shared system in
 * app.css - its paper, teal, serif headings, buttons and header. This file only lays them out.
 */
.home-lead { max-width: 540px; margin: 0; font-size: 15px; line-height: 1.85; color: var(--muted); }

/* ---- Home: the promise on the left, the student working with EruDesk on the right. ---- */
.home-hero { display: grid; grid-template-columns: 1.08fr 1fr; align-items: center; gap: 65px; padding: 24px 0 61px; }
.home-hero h1 { margin: 23px 0; font-size: clamp(44px, 4.9vw, 68px); line-height: 1.09; }
.home-hero h1 em { font-style: normal; color: var(--teal); }
.home-promise { max-width: 540px; margin: 0 0 12px; font-size: 18px; font-weight: 600; line-height: 1.55; }
.home-hero .home-lead { color: #52665f; }
.home-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 27px; }
.home-points { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 26px 0 0; padding: 0; list-style: none; font-size: 12px; color: var(--muted); }
.home-points li::before { content: ""; display: inline-block; width: 5px; height: 5px; margin-right: 9px; border-radius: 50%; background: var(--orange); vertical-align: middle; }

.home-preview { min-width: 0; margin: 0; padding: 20px 0; }
.home-study-image { display: block; width: 100%; height: auto; border-radius: 18px; }
.home-reassurance { display: flex; align-items: center; gap: 9px; width: fit-content; max-width: 100%; margin: 18px auto 0; padding: 10px 15px; border-radius: 24px; background: var(--mint); color: #216b59; font-size: 12px; font-weight: 600; line-height: 1.5; }
.home-reassurance svg { flex: 0 0 20px; width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

.home-values { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding-top: 29px; border-top: 1px solid var(--line); }
.home-values article { padding: 26px; background: var(--white); border: 1px solid var(--line); border-radius: 15px; }
.home-value-top { display: flex; align-items: center; justify-content: flex-end; gap: 16px; }
.home-value-thumbnail { display: block; flex: 0 0 auto; width: 112px; height: 84px; object-fit: contain; }
.home-values h2 { margin: 16px 0 9px; font-size: 18px; font-weight: 600; letter-spacing: -.5px; }
.home-values p { margin: 0; font-size: 12px; line-height: 1.8; color: var(--muted); }

.home-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; margin-top: 25px; padding: 26px 28px; background: #e9ede2; border-radius: 15px; }
.home-cta > div { flex: 1 1 480px; min-width: 0; }
.home-cta h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 400; font-size: 27px; letter-spacing: -.7px; }
.home-cta p { max-width: 760px; margin: 10px 0 0; font-size: 13px; color: #52665f; }
.home-cta .home-cta-note { color: #216b59; }
.home-cta .primary { flex-shrink: 0; }

/* ---- Lesson catalogue: what the studio has published. Lessons start on the TV, never from here. ---- */
.catalogue-top { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.catalogue-top h1 { margin: 18px 0 14px; font-size: clamp(38px, 4.2vw, 56px); line-height: 1.12; }
.catalogue-loading { text-align: center; }
.catalogue-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.catalogue-card { position: relative; display: flex; flex-direction: column; min-height: 235px; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 15px; transition: border-color .18s, transform .18s; }
.catalogue-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; }
.catalogue-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; background: var(--mint); color: var(--teal); }
.catalogue-custom-icon { width: 38px; height: 38px; object-fit: contain; }
.catalogue-thumbnail { display: block; width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; border-radius: 10px; background: var(--mint); }
.catalogue-icon svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.catalogue-icon .icon-soft { opacity: .55; }
.catalogue-icon .icon-detail { stroke-width: 2.4; }
.catalogue-card[data-accent=violet] .catalogue-icon { background: #e9e4f0; color: #7a6491; }
.catalogue-card[data-accent=amber] .catalogue-icon { background: #f6e7d7; color: #a26d3a; }
.catalogue-card h3 { margin: 0 0 9px; font-size: 19px; font-weight: 600; letter-spacing: -.5px; }
.catalogue-card:hover { border-color: var(--teal); transform: translateY(-2px); }
.catalogue-link { text-decoration: none; }
.catalogue-link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.catalogue-link:focus-visible { outline: none; }
.catalogue-card:has(.catalogue-link:focus-visible) { outline: 3px solid var(--orange); outline-offset: 4px; }
.catalogue-card p { margin: 0 0 22px; font-size: 12px; line-height: 1.8; color: var(--muted); }
.catalogue-meta { display: flex; gap: 8px; margin-top: auto; font-size: 10px; color: var(--muted); }
.catalogue-meta span + span::before { content: "·"; margin-right: 8px; }
.catalogue-guide { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; margin-top: 32px; }
.catalogue-guide > div { display: flex; align-items: flex-start; gap: 12px; }
.catalogue-guide img { flex: 0 0 auto; width: 64px; height: 48px; object-fit: contain; }
.catalogue-guide p { margin: 0; font-size: 11px; line-height: 1.7; color: var(--muted); }
.catalogue-guide strong { display: block; font-size: 12px; font-weight: 650; color: var(--ink); }
/* The shelves: a class level, then a subject. The filters stay in reach down a long shelf. */
.catalogue-filters { position: sticky; top: 12px; z-index: 5; display: grid; gap: 12px; margin: 0 0 36px; padding: 16px 20px; background: var(--white); border: 1px solid var(--line); border-radius: 15px; box-shadow: 0 -12px 0 var(--paper), 0 8px 30px #12282b0d; }
.catalogue-filter { display: flex; align-items: center; gap: 16px; }
.catalogue-filter-label { flex: 0 0 76px; font-size: 11px; font-weight: 650; color: var(--muted); }
.catalogue-choices { display: flex; flex-wrap: wrap; gap: 8px; }
.catalogue-choice { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 30px; background: transparent; color: var(--ink); padding: 8px 14px; font-size: 13px; font-weight: 600; }
.catalogue-choice:hover { border-color: var(--teal); color: var(--teal); }
.catalogue-choice[aria-pressed=true] { background: var(--teal); border-color: var(--teal); color: white; }
.catalogue-choice-count { font-size: 11px; font-weight: 650; color: var(--muted); }
.catalogue-choice[aria-pressed=true] .catalogue-choice-count { color: #ffffffb8; }
.catalogue-hint { margin: 56px 0; text-align: center; font-size: 14px; color: var(--muted); }
.catalogue-shelf-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.catalogue-shelf-head h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-weight: 400; font-size: 30px; letter-spacing: -.8px; }
.catalogue-shelf-count { font-size: 12px; color: var(--muted); }
.sheet-code > section { max-width: 820px; }
.sheet-code > section h1 { font-size: clamp(34px, 4.2vw, 52px); line-height: 1.15; margin: 18px 0; }
.sheet-code > section h2 { font-size: 22px; line-height: 1.3; margin: 30px 0 14px; }
.sheet-code > section ol, .sheet-code > section ul { max-width: 720px; padding-left: 24px; font-size: 14px; line-height: 1.8; }
.sheet-code > section li + li { margin-top: 12px; }

@media (max-width: 1100px) {
  .home-hero { gap: 40px; }
}
@media (max-width: 800px) {
  .home-hero { grid-template-columns: 1fr; gap: 28px; padding: 15px 0 43px; }
  .home-preview { width: 100%; max-width: 600px; margin: auto; }
  .home-values, .catalogue-grid { grid-template-columns: 1fr 1fr; gap: 15px; }
  .catalogue-guide { grid-template-columns: 1fr; gap: 16px; }
  .catalogue-filters { position: static; box-shadow: none; }
  .catalogue-filter { flex-direction: column; align-items: flex-start; gap: 8px; }
  .catalogue-filter-label { flex: none; }
}
@media (max-width: 560px) {
  .home-hero h1 { font-size: 42px; letter-spacing: -1.6px; }
  .home-promise { font-size: 17px; }
  .home-lead { font-size: 14px; }
  .home-values, .catalogue-grid { grid-template-columns: 1fr; }
  .home-preview { padding: 0; }
  .home-cta { padding: 22px; }
  .catalogue-card { min-height: 0; }
  .catalogue-filters { padding: 14px 16px; }
  .catalogue-shelf-head h2 { font-size: 25px; }
}