.section-wrapper {
  margin: 40px auto;
  max-width: 1100px;
  font-family: Arial, sans-serif;
  color: #1a2b49;
}
.section-title {
  font-size: 26px;
  font-weight: 600;
  border-left: 3px solid #e40046;
  padding-left: 10px;
  margin-bottom: 25px;
}
.section-title.centered {
  text-align: center;
  border-left: none;
  border-top: 2px solid #ddd;
  padding-top: 15px;
}

.skin-grid, .usage-grid, .efficacy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}
.usage-img { position: relative; }
.floating-icons {
  position: absolute;
  bottom: 15px;
  left: 15px;
  display: flex;
  gap: 10px;
}
.floating-icons img {
  width: 40px;
  height: 40px;
  border: 1px solid #ddd;
  border-radius: 50%;
  background: #fff;
  padding: 6px;
}

.usage-tabs, .efficacy-tabs {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 20px;
  border-top: 2px solid #ddd;
  padding-top: 10px;
}
.usage-tab, .efficacy-tab {
  background: none;
  border: none;
  text-transform: uppercase;
  font-weight: 500;
  color: #6c7a92;
  cursor: pointer;
  padding: 10px 15px;
}
.usage-tab.active, .efficacy-tab.active {
  color: #1a2b49;
  border-bottom: 2px solid #1a2b49;
}

.usage-content, .efficacy-content { display: none; }
.usage-content.active, .efficacy-content.active { display: block; }

.accordion-item { border-bottom: 1px solid #ddd; }
.accordion-header {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-weight: 600;
  cursor: pointer;
  padding: 12px 0;
}
.accordion-body {
  display: none;
  padding: 0 0 12px 0;
  color: #555;
}
.accordion-item.active .accordion-body { display: block; }