/* ── REFUERZO ACADÉMICO ──────────────────────────────────── */
.refuerzo {
  background: #f0f2f5;
  padding: 72px 64px 0 calc(var(--sidebar-width) + 56px);
  position: relative;
  overflow: hidden;
}

.refuerzo::before {
  content: '02';
  position: absolute;
  top: 16px;
  left: calc(var(--sidebar-width) + 20px);
  font-family: Georgia, serif;
  font-size: 130px;
  font-weight: 700;
  color: rgba(0,0,0,0.06);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  letter-spacing: -4px;
}

.refuerzo__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.refuerzo__content {
  position: relative;
  z-index: 1;
  padding-bottom: 64px;
}

.refuerzo__tag {
  display: inline-block;
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.refuerzo__title {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1.15;
  margin-bottom: 20px;
}

.refuerzo__desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: #555;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 420px;
}

.refuerzo__cta {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-main);
  font-size: 11px;
  font-weight: 700;
  padding: 15px 28px;
  text-transform: uppercase;
  letter-spacing: 2px;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.refuerzo__cta:hover { background: var(--color-accent); }

.refuerzo__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #dde0e6;
  margin: 0 -64px;
  padding: 0 64px;
}

.refuerzo__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 16px 80px;
  gap: 6px;
  border-right: 1px solid #dde0e6;
}

.refuerzo__stat:last-child { border-right: none; }

.refuerzo__stat-number {
  font-family: Georgia, serif;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1;
}

.refuerzo__stat-label {
  font-family: var(--font-body);
  font-size: 12px;
  color: #666;
  text-align: center;
}

.materias-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  position: relative;
  z-index: 1;
  padding-bottom: 64px;
}

.materia-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  background: var(--color-white);
  border: 1.5px solid #e8eaf0;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, transform 0.22s ease;
  text-decoration: none;
}

.materia-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(201,168,76,0.15);
  transform: translateY(-2px);
}

.materia-card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f0e8;
  border-radius: 10px;
  color: #aab0c0;
  transition: color 0.22s ease, background 0.22s ease;
}

.materia-card:hover .materia-card__icon { color: var(--color-accent); }
.materia-card__icon svg { width: 22px; height: 22px; }

.materia-card__name {
  font-family: var(--font-main);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.3;
  transition: color 0.22s ease;
}

.materia-card:hover .materia-card__name { color: var(--color-accent); }

.materia-card__link {
  font-family: var(--font-body);
  font-size: 11.5px;
  color: #aaa;
  transition: color 0.22s ease;
}

.materia-card:hover .materia-card__link { color: var(--color-accent); }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .refuerzo {
    padding: 48px 24px 0;
  }
  .refuerzo::before { display: none; }
  .refuerzo__body {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .refuerzo__stats {
    grid-template-columns: repeat(2, 1fr);
    margin: 0 -24px;
    padding: 0 24px;
  }
  .materias-grid {
    grid-template-columns: repeat(2, 1fr);
    padding-bottom: 40px;
  }
}

@media (max-width: 480px) {
  .refuerzo { padding: 36px 16px 0; }
  .refuerzo__stats {
    grid-template-columns: repeat(2, 1fr);
    margin: 0 -16px;
    padding: 0 16px;
  }
  .refuerzo__stat { padding: 24px 8px 40px; }
  .materias-grid { grid-template-columns: 1fr; }
}

/* ── Tarjetas de periodos en móvil — layout horizontal con color ── */
@media (max-width: 900px) {
  .materias-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .materia-card {
    flex-direction: row;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #f8f6f0 0%, #fff 100%);
    border-color: #e0d9c8;
  }
  .materia-card__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(201,168,76,0.12);
  }
  .materia-card__icon svg { width: 20px; height: 20px; }
  .materia-card__name { font-size: 14px; }
  .materia-card__link { margin-top: 2px; }
}