/* Homepage: improved class cards ("Every class, one click away") and subject cards
   ("Built subject by subject"). Grids, headings and section layout stay as defined in app.css. */

/* ── Class cards ─────────────────────────────────────────────── */
.popular-class-card.pcc-v2 { padding: 0; gap: 0; align-items: stretch; text-align: left; overflow: hidden; background: #fff; border-radius: 18px; text-decoration: none; }
.popular-class-card.pcc-v2:hover { border-color: color-mix(in srgb, var(--c1) 45%, #fff); box-shadow: 0 16px 30px rgba(15, 23, 42, .12); }
.popular-class-card.pcc-v2:focus-visible { outline: 3px solid #93C5FD; outline-offset: 3px; }
.pcc-v2-top { position: relative; display: flex; align-items: flex-end; justify-content: space-between; height: 84px; padding: 0 10px 8px 14px; background: linear-gradient(135deg, var(--c1), var(--c2)); overflow: hidden; }
.pcc-v2-top::before { content: ""; position: absolute; width: 110px; height: 110px; border-radius: 50%; background: rgba(255, 255, 255, .16); right: -36px; top: -50px; }
.pcc-v2-num { position: relative; font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 40px; line-height: 1; color: #fff; text-shadow: 0 4px 12px rgba(0, 0, 0, .15); }
.pcc-v2-art { position: relative; width: 40px; height: 40px; transition: transform .35s cubic-bezier(.2, .8, .2, 1); }
.pcc-v2-art svg { width: 100%; height: 100%; display: block; }
.popular-class-card.pcc-v2:hover .pcc-v2-art { transform: rotate(-8deg) scale(1.1); }
.pcc-v2-body { display: flex; flex-direction: column; gap: 2px; padding: 10px 14px 12px; }
.pcc-v2 .pcc-name { font-size: 14px; font-family: 'Poppins', sans-serif; }
.pcc-v2-line { font-size: 11.5px; color: var(--muted, #64748B); }
.pcc-v2-go { margin-top: 6px; font-size: 12px; font-weight: 700; color: var(--c1); display: inline-flex; align-items: center; gap: 3px; }
.pcc-v2-go i { transition: transform .2s; }
.popular-class-card.pcc-v2:hover .pcc-v2-go i { transform: translateX(3px); }

/* ── Subject cards: every block has its own tinted background (--sb) and accent (--sc) ── */
.subject-card-v3.subj-card { position: relative; overflow: hidden; gap: 10px; padding: 24px 12px 18px; border-radius: 18px; text-decoration: none;
  background: linear-gradient(160deg, var(--sb) 0%, color-mix(in srgb, var(--sb) 45%, #fff) 100%);
  border: 1px solid color-mix(in srgb, var(--sc) 18%, #fff); }
.subject-card-v3.subj-card::before { content: ""; position: absolute; width: 120px; height: 120px; border-radius: 50%; background: color-mix(in srgb, var(--sc) 12%, transparent); right: -46px; top: -46px; z-index: 0; transition: transform .35s cubic-bezier(.2, .8, .2, 1); }
.subject-card-v3.subj-card::after { content: ""; position: absolute; width: 70px; height: 70px; border-radius: 50%; background: color-mix(in srgb, var(--sc) 8%, transparent); left: -28px; bottom: -30px; z-index: 0; }
.subject-card-v3.subj-card > * { position: relative; z-index: 1; }
.subject-card-v3.subj-card:hover { border-color: color-mix(in srgb, var(--sc) 40%, #fff); box-shadow: 0 16px 30px color-mix(in srgb, var(--sc) 18%, transparent); }
.subject-card-v3.subj-card:hover::before { transform: scale(1.3); }
.subject-card-v3.subj-card:focus-visible { outline: 3px solid #93C5FD; outline-offset: 2px; }
.subject-card-v3 .subj-art { width: 66px; height: 66px; border-radius: 20px; background: #fff; color: var(--sc); display: grid; place-items: center; box-shadow: 0 10px 20px color-mix(in srgb, var(--sc) 20%, transparent), inset 0 0 0 1px color-mix(in srgb, var(--sc) 14%, transparent); transition: transform .3s cubic-bezier(.2, .8, .2, 1); }
.subject-card-v3 .subj-art svg { width: 42px; height: 42px; }
.subject-card-v3.subj-card:hover .subj-art { transform: translateY(-3px) rotate(-5deg); }
.subject-card-v3 .subj-name { font-size: 14px; font-weight: 700; color: var(--ink, #0F172A); line-height: 1.3; }
.subject-card-v3 .subj-go { font-size: 12px; font-weight: 700; color: var(--sc); display: inline-flex; align-items: center; gap: 3px; }
.subject-card-v3 .subj-go i { transition: transform .2s; }
.subject-card-v3.subj-card:hover .subj-go i { transform: translateX(3px); }

@media (max-width: 600px) {
  .pcc-v2-top { height: 74px; }
  .pcc-v2-num { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  .pcc-v2-art, .pcc-v2-go i, .subj-art, .subj-go i, .subject-card-v3.subj-card::before { transition: none; }
  .popular-class-card.pcc-v2:hover .pcc-v2-art, .subject-card-v3.subj-card:hover .subj-art, .subject-card-v3.subj-card:hover::before, .subject-card-v3.subj-card:hover .subj-go i { transform: none; }
}