.product-detail {
  padding: 3rem 0;
}

.product-detail__container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.product-detail__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}

@media (min-width: 768px) {
  .product-detail__content {
    grid-template-columns: 2fr 1fr;
    gap: 5rem;
  }
}

.product-detail__left {
  width: 100%;
  display: flex;
  flex-direction: column;
}

.product-detail__title {
  font-family: var(--font-body);
  font-size: 2rem;
  color: var(--color-text-primary);
  margin: 0 0 0.75rem 0;
  line-height: 1.1;
  font-weight: 700;
  text-align: center;
}

@media (min-width: 768px) {
  .product-detail__title {
    font-size: 3rem;
  }
}

.product-detail__description {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 2.5rem;
  font-family: var(--font-body);
  text-align: left;
}

.product-detail__includes-box {
  margin-top: 2.5rem;
  background-color: var(--color-surface-primary, #f9f9f9);
  border: 1px solid var(--color-border-subtle, #e5e5e5);
  border-radius: 12px;
  padding: 2rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-detail__includes-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 1.5rem 0;
  text-align: center;
  color: var(--color-text-primary);
}

.product-detail__includes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .product-detail__includes-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.5rem;
  }
}

.product-detail__include-item {
  display: flex;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.product-detail__include-item svg {
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.product-detail__include-item span {
  text-align: center;
  flex: 1;
}

.product-detail__right {
  width: 100%;
}

@media (min-width: 768px) {
  .product-detail__right {
    position: sticky;
    top: 2rem;
  }
}

.product-detail__media {
  background-color: var(--color-text-muted);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 2rem;
  aspect-ratio: 590 / 330;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-detail__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-detail__video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.product-detail__video {
  cursor: pointer;
}

.product-detail__play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.product-detail__media:hover .product-detail__play-button {
  opacity: 0.8;
}

.product-detail__video:not([data-playing="true"]) ~ .product-detail__play-button {
  display: block;
}

.product-detail__video[data-playing="true"] ~ .product-detail__play-button {
  display: none;
}

.product-detail__price {
  font-size: 2rem;
  font-weight: 600;
  margin: 0 0 1.5rem 0;
  text-align: center;
}

.product-detail__btn {
  width: 100%;
  padding: 1.25rem 2rem;
  border-radius: 6px;
  font-size: 1.125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 1rem;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  border: 1px solid;
}

.product-detail__btn--primary {
  background-color: #E8573A;
  color: white;
  border-color: #E8573A;
}

.product-detail__btn--primary:hover {
  background-color: #d14428;
  border-color: #d14428;
}

.product-detail__btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-subtle);
}

.product-detail__btn--secondary:hover {
  background-color: var(--color-brand-surface);
}

.product-detail__how-it-works-section {
  margin-top: 4rem;
}

.product-detail__more-info {
  margin-top: 4rem;
  width: 100%;
}

.product-detail__more-info-title {
  font-family: var(--font-body);
  font-size: 2rem;
  color: var(--color-text-primary);
  margin: 0 0 2rem 0;
  text-align: center;
  font-weight: 700;
}

.product-detail__info-sections {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-border-subtle, #e5e5e5);
}

.product-detail__info-item {
  border-bottom: 1px solid var(--color-border-subtle, #e5e5e5);
}

.product-detail__info-item-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
  position: relative;
}

.product-detail__info-item-header:hover {
  opacity: 0.8;
}

.product-detail__info-item-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
  text-align: center;
  flex: 1;
  font-family: var(--font-body);
}

.product-detail__info-item-icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--color-text-primary);
  position: absolute;
  left: 0;
}

.product-detail__info-item-header[aria-expanded="true"] .product-detail__info-item-icon {
  transform: rotate(180deg);
}

.product-detail__info-item-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.product-detail__info-item[data-open="true"] .product-detail__info-item-content {
  max-height: 1000px;
}

.product-detail__info-item-text {
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-size: 1rem;
  margin: 0;
  text-align: center;
  padding: 0 0 1.5rem 0;
  font-family: var(--font-body);
}