/* ============================================================
   Rathe TEC — cards.css
   Topic cards (JS-rendered), mini cards, program cards
   ============================================================ */

.topic-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.25rem, 2.2vw, 1.7rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}

.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-card, var(--green-300));
}

.topic-card__top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topic-card__icon {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  flex-shrink: 0;
  border-radius: 12px;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--cream-100);
  background: var(--accent-card, var(--green-500));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24), var(--shadow-sm);
}

.topic-card__badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--accent-card, var(--green-600));
  background: color-mix(in srgb, var(--accent-card, var(--green-500)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-card, var(--green-500)) 32%, transparent);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  margin-left: auto;
}

@supports not (color: color-mix(in srgb, red, blue)) {
  .topic-card__badge { background: var(--green-100); border-color: var(--green-200); }
}

.topic-card h3 { margin: 0; font-size: 1.16rem; color: var(--pine); }
.topic-card__desc { color: var(--ink-600); font-size: 0.95rem; margin: 0; }

.topic-card__list {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line-strong);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.topic-card__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.88rem;
  color: var(--ink-500);
}
.topic-card__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--accent-card, var(--tan-300));
  opacity: 0.75;
}

/* ---------- Mini cards ---------- */
.mini-card {
  padding: clamp(1.15rem, 2vw, 1.5rem);
  background: linear-gradient(180deg, rgba(255,253,249,0.95), rgba(245,236,221,0.75));
  border: 1px solid var(--line);
  border-left: 3px solid var(--tan-300);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.mini-card h3 { font-size: 1.04rem; color: var(--green-700); }
.mini-card p { font-size: 0.93rem; color: var(--ink-600); margin: 0; }

/* ---------- Program cards (dark section) ---------- */
.section--dark {
  background:
    radial-gradient(820px 460px at 88% 6%, rgba(193, 154, 111, 0.2), transparent 66%),
    radial-gradient(700px 420px at 6% 94%, rgba(95, 132, 96, 0.28), transparent 68%),
    linear-gradient(165deg, var(--pine), var(--ink-900));
  color: var(--cream-200);
  border-block: 1px solid rgba(245, 236, 221, 0.12);
}
.section--dark h2 { color: var(--cream-100); }

.program {
  padding: clamp(1.3rem, 2.4vw, 1.85rem);
  background: rgba(245, 236, 221, 0.055);
  border: 1px solid rgba(245, 236, 221, 0.16);
  border-radius: var(--radius);
  backdrop-filter: blur(3px);
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.program:hover {
  background: rgba(245, 236, 221, 0.1);
  border-color: rgba(193, 154, 111, 0.5);
  transform: translateY(-4px);
}
.program h3 {
  color: var(--cream-100);
  font-size: 1.18rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}
.program h3 .tag {
  margin-left: 0;
  color: var(--green-100);
  background: rgba(138, 169, 135, 0.22);
  border-color: rgba(185, 205, 182, 0.35);
}
.program p { color: rgba(245, 236, 221, 0.74); font-size: 0.95rem; margin: 0; }

/* ---------- Topic tracks (rendered by js/app.js into #topic-cards) ----------
   app.js emits .topic / .topic__num / .topic__title / .topic__blurb /
   .topic__tags / .topic__cta. These rules match the .topic-card look above. */

.topic {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.25rem, 2.2vw, 1.7rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}
.topic::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-400), var(--tan-300));
  opacity: 0.85;
}
.topic:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--green-200);
}

.topic__num {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--tan-200);
  line-height: 1;
}

.topic__title { margin: 0; font-size: 1.16rem; color: var(--pine); }

.topic__blurb { margin: 0; font-size: 0.94rem; color: var(--ink-600); }

.topic__tags {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line-strong);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.topic__tags li {
  font-size: 0.71rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-600);
  background: var(--green-100);
  border: 1px solid var(--green-200);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}

.topic__cta {
  width: fit-content;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tan-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.topic__cta:hover { color: var(--green-600); border-bottom-color: var(--green-400); }