.agenda-asset,
.feature-asset{
  padding: 18px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(246,240,227,.9));
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow);
}

.agenda-asset img,
.feature-asset img{
  width: 100%;
  height: auto;
  border-radius: 20px;
  border: 1px solid rgba(26,58,92,.08);
}

.lesson-map{
  display: grid;
  gap: 16px;
}

.lesson-map-head{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.lesson-map-head p{
  margin: .4rem 0 0;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 68ch;
}

.lesson-map-badge{
  flex: 0 0 auto;
  padding: 10px 14px;
  border-radius: 999px;
  background: #f7efdf;
  border: 1px solid var(--line-2);
  color: var(--red);
  font-size: .82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.lesson-tabs{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.lesson-tab{
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--blue);
  border-radius: 18px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 900;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.lesson-tab::after{
  content: "▾";
  position: absolute;
  top: 12px;
  right: 14px;
  color: var(--teal);
  font-size: .92rem;
  line-height: 1;
  opacity: .9;
  transition: transform .18s ease, opacity .18s ease;
}

.lesson-tab small{
  display: block;
  margin-top: 4px;
  padding-right: 18px;
  color: var(--ink-soft);
  font-size: .78rem;
  font-weight: 700;
  line-height: 1.35;
}

.lesson-tab.is-active{
  background: linear-gradient(135deg, rgba(21,132,118,.12), rgba(201,168,76,.16));
  border-color: rgba(21,132,118,.24);
  box-shadow: 0 16px 28px rgba(21,132,118,.08);
  transform: translateY(-1px);
}

.lesson-tab.is-active::after{
  transform: rotate(180deg);
  opacity: 1;
}

.lesson-panel{
  display: none;
  padding: 20px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,243,232,.94));
  border: 1px solid var(--line-2);
}

.lesson-panel.is-active{
  display: block;
}

.lesson-panel-grid{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 18px;
  align-items: start;
}

.lesson-stage{
  padding: 18px;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line-2);
}

.lesson-stage-top{
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.lesson-stage strong{
  display: block;
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 1.05rem;
}

.lesson-stage p{
  margin: .35rem 0;
  color: var(--ink-soft);
  line-height: 1.62;
}

.stage-badge{
  flex: 0 0 auto;
  padding: 10px 14px;
  border-radius: 999px;
  background: #f7efdf;
  border: 1px solid var(--line-2);
  color: var(--teal);
  font-size: .82rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.pill-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 999px;
  background: #fcfaf5;
  border: 1px solid var(--line-2);
  color: var(--blue);
  font-size: .85rem;
  font-weight: 800;
}

.signal-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.signal-card{
  padding: 14px;
  border-radius: 18px;
  background: #f8f3e8;
  border: 1px solid var(--line-2);
}

.signal-card strong{
  display: block;
  margin-bottom: 4px;
  color: var(--teal);
  font-size: .9rem;
}

.signal-card span{
  display: block;
  color: var(--ink-soft);
  line-height: 1.45;
  font-size: .88rem;
  font-weight: 700;
}

.lesson-side{
  display: grid;
  gap: 12px;
}

.lesson-note{
  padding: 16px;
  border-radius: 20px;
  background: #f8f3e8;
  border: 1px solid var(--line-2);
}

.lesson-note h4{
  margin: 0 0 8px;
  color: var(--blue);
  font-size: .98rem;
}

.lesson-note p{
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.lesson-note ul{
  margin: 10px 0 0;
}

.takeaway-strip{
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(26,58,92,.08), rgba(201,168,76,.16));
  border: 1px solid rgba(26,58,92,.08);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
}

.takeaway-strip span{
  color: var(--red);
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.takeaway-strip strong{
  color: var(--blue);
  font-size: .95rem;
}

.concept-cards{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.concept-card{
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,241,228,.92));
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow);
}

.concept-card .kicker{
  margin-bottom: 8px;
}

.concept-card p{
  margin: 0 0 12px;
}

.summary-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.summary-card{
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(247,241,228,.92));
  border: 1px solid var(--line-2);
  box-shadow: var(--shadow);
}

.summary-card h3{
  margin: 0 0 8px;
}

.summary-card p{
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.summary-card.next{
  background: linear-gradient(135deg, rgba(26,92,74,.12), rgba(255,255,255,.96));
}

.section-intro{
  margin: 0 0 18px;
  color: var(--ink-soft);
  line-height: 1.68;
  max-width: 74ch;
}

@media (max-width: 1080px){
  .lesson-panel-grid,
  .concept-cards,
  .summary-grid{
    grid-template-columns: 1fr 1fr;
  }

  .signal-grid{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px){
  .lesson-tabs{
    grid-template-columns: 1fr 1fr;
  }

  .lesson-panel-grid,
  .concept-cards,
  .summary-grid{
    grid-template-columns: 1fr;
  }

  .lesson-map-head,
  .lesson-stage-top{
    flex-direction: column;
  }
}