/* Pelajaran (Lessons) page — ported from design/pelajaran.html <style> (final-cta in common.css). */

.lesson-intro { padding-top: clamp(40px, 5vw, 72px); padding-bottom: 24px; }
.lesson-intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: end;
}
.level-strip { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px; }
.level-tag {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  background: var(--paper);
  font-size: 13px;
  color: var(--ink-soft);
}
.level-tag strong { color: var(--accent); font-weight: 500; margin-right: 6px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; }
@media (max-width: 820px) {
  .lesson-intro-grid { grid-template-columns: 1fr; }
}

.lesson-list { padding-top: 32px; }
.lesson-row {
  display: grid;
  grid-template-columns: 140px 180px 1fr;
  gap: 40px;
  padding: 48px 0;
  align-items: start;
}
.lesson-row + .lesson-row { border-top: 1px solid var(--line); }
.lesson-meta { display: flex; flex-direction: column; gap: 8px; }
.lesson-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 3.4rem;
  line-height: 0.9;
  color: var(--accent);
}
.lesson-level {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.lesson-icon svg { width: 100%; max-width: 180px; height: auto; border-radius: var(--r-md); }
.lesson-body h2 { font-size: 2rem; margin-bottom: 12px; }
.lesson-body em { font-style: italic; color: var(--accent); }
.lesson-points {
  margin: 20px 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 32px;
}
.lesson-points li { position: relative; padding-left: 22px; color: var(--ink-soft); font-size: 14.5px; }
.lesson-points li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }
.lesson-foot {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}
.lesson-foot .btn-arrow { margin-left: auto; }
.lesson-row-feature .lesson-num { color: var(--moss); }
@media (max-width: 900px) {
  .lesson-row { grid-template-columns: 1fr; gap: 20px; padding: 36px 0; }
  .lesson-meta { flex-direction: row; align-items: baseline; gap: 16px; }
  .lesson-num { font-size: 2.4rem; }
  .lesson-icon { max-width: 140px; }
  .lesson-points { grid-template-columns: 1fr; }
  .lesson-foot .btn-arrow { margin-left: 0; }
}

.faq-section { background: var(--paper); border-block: 1px solid var(--line-soft); }
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-top: 1px solid var(--line); padding: 22px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--serif);
  font-style: italic;
  color: var(--accent);
  font-size: 1.6rem;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin-top: 14px; color: var(--ink-soft); max-width: 64ch; }