/* ==========================================================================
   PRODUCT PAGE STYLES
   Styles for individual product pages
   ========================================================================== */

/* ==========================================================================
   BREADCRUMB
   ========================================================================== */

.breadcrumb {
  padding: 1rem 0;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-gray-100);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  color: var(--color-text-secondary);
}

.breadcrumb__item:not(:last-child)::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--color-gray-300);
}

.breadcrumb__item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb__item a:hover {
  color: var(--color-accent);
}

.breadcrumb__item--current {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

/* ==========================================================================
   PRODUCT HERO
   ========================================================================== */

.product-hero {
  padding: 3rem 0 4rem;
  background-color: var(--color-background);
}

.product-hero__grid {
  display: grid;
  grid-template-columns: 45% 55%;
  gap: 4rem;
  align-items: start;
}

.product-hero__gallery {
  position: sticky;
  top: 100px;
}

.product-hero__main-image {
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.product-hero__main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 2rem;
}

.product-hero__thumbnails {
  display: flex;
  gap: 0.75rem;
}

.product-hero__thumb {
  width: 80px;
  height: 80px;
  padding: 0.5rem;
  background-color: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.product-hero__thumb:hover {
  border-color: var(--color-gray-300);
}

.product-hero__thumb--active {
  border-color: var(--color-accent);
}

.product-hero__thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-hero__info {
  padding-top: 1rem;
}

.product-hero__category {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 0.6875rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  padding: 0.375rem 1rem;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-pill);
  margin-bottom: 1rem;
}

.product-hero__title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 0.75rem 0;
  line-height: 1.2;
}

.product-hero__tagline {
  font-family: var(--font-body);
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin: 0 0 1.5rem 0;
}

.product-hero__features {
  list-style: none;
  margin: 0 0 2rem 0;
  padding: 0;
}

.product-hero__feature {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  color: var(--color-text-primary);
}

.product-hero__feature::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 16px;
  height: 16px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.product-hero__feature::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 8px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--color-white);
  border-bottom: 2px solid var(--color-white);
  transform: rotate(-45deg);
}

.product-hero__pricing {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
}

.product-hero__price-main {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

.product-hero__price-main span {
  font-size: 1rem;
  font-weight: var(--font-weight-regular);
  color: var(--color-text-secondary);
}

.product-hero__price-alt {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0.25rem 0 0 0;
}

.product-hero__cta {
  width: 100%;
  margin-bottom: 1rem;
}

.product-hero__trust-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

@media (max-width: 992px) {
  .product-hero__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .product-hero__gallery {
    position: static;
  }

  .product-hero__title {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .product-hero {
    padding: 2rem 0;
  }

  .product-hero__title {
    font-size: 1.75rem;
  }

  .product-hero__thumbnails {
    justify-content: center;
  }
}

/* ==========================================================================
   QUICK FACTS
   ========================================================================== */

.quick-facts {
  padding: 2.5rem 0;
  background-color: var(--color-white);
  border-top: 1px solid var(--color-gray-100);
  border-bottom: 1px solid var(--color-gray-100);
}

.quick-facts__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.quick-facts__item {
  text-align: center;
  padding: 1rem 0.5rem;
}

.quick-facts__label {
  display: block;
  font-family: var(--font-label);
  font-size: 0.625rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-widest);
  color: var(--color-text-tertiary);
  margin-bottom: 0.375rem;
}

.quick-facts__value {
  display: block;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

@media (max-width: 992px) {
  .quick-facts__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 576px) {
  .quick-facts__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   WHAT IS IT
   ========================================================================== */

.what-is-it__content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.what-is-it__content p {
  margin: 0 0 1.5rem 0;
}

.what-is-it__content p:last-child {
  margin-bottom: 0;
}

.what-is-it__learn-more {
  text-align: center;
  margin-top: 2rem;
}

/* ==========================================================================
   BENEFITS
   ========================================================================== */

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.benefit-card {
  padding: 2rem;
  background-color: var(--color-background);
  border-radius: var(--radius-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.benefit-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 0.75rem 0;
}

.benefit-card__description {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

.benefits__research {
  text-align: center;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-gray-100);
}

.benefits__research-count {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0 0 0.5rem 0;
}

.benefits__research-link {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
  text-decoration: none;
}

.benefits__research-link:hover {
  color: var(--color-accent-pink);
}

@media (max-width: 992px) {
  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .benefits__grid {
    grid-template-columns: 1fr;
  }

  .benefit-card {
    padding: 1.5rem;
  }
}

/* ==========================================================================
   TREATMENT JOURNEY — horizontal, number on top
   ========================================================================== */

.journey-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
}

.journey-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(10% + 20px);
  right: calc(10% + 20px);
  height: 2px;
  background: var(--gradient-primary);
  z-index: 0;
}

/* Override styles.css which sets display:grid with a side-number layout */
.journey-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  text-align: center;
  z-index: 1;
}

.journey-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  min-width: 56px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
  box-shadow: 0 2px 8px rgba(123, 63, 157, 0.3);
  /* Clear grid-row from styles.css */
  grid-row: unset;
  align-self: unset;
  flex-shrink: 0;
}

.journey-step__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 0.5rem 0;
  align-self: unset;
}

.journey-step__description {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
  align-self: unset;
}

.journey-timeline {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-accent);
}

@media (max-width: 992px) {
  .journey-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .journey-steps::before {
    display: none;
  }
}

@media (max-width: 576px) {
  .journey-steps {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .journey-step {
    display: grid;
    grid-template-columns: 48px 1fr;
    grid-template-rows: auto auto;
    gap: 0 1rem;
    text-align: left;
    align-items: unset;
  }

  .journey-step__number {
    grid-row: 1 / 3;
    width: 48px;
    height: 48px;
    min-width: 48px;
    font-size: 1rem;
    margin-bottom: 0;
    align-self: start;
  }

  .journey-step__title {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
    margin-bottom: 0.25rem;
  }

  .journey-step__description {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
  }
}

/* ==========================================================================
   DOSAGE
   ========================================================================== */

.dosage__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  /* Align both columns to the top so subtitles sit at same baseline */
  align-items: start;
}

.dosage__subtitle {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 1.5rem 0;
}

.dosage__list {
  margin: 0;
}

.dosage__item {
  display: flex;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.dosage__item dt {
  flex: 0 0 140px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.dosage__item dd {
  flex: 1;
  margin: 0;
  color: var(--color-text-primary);
}

.dosage__checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dosage__checklist li {
  position: relative;
  padding: 0.75rem 0 0.75rem 2rem;
  border-bottom: 1px solid var(--color-gray-100);
  color: var(--color-text-primary);
}

.dosage__checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.dosage__checklist li::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 17px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--color-white);
  border-bottom: 2px solid var(--color-white);
  transform: rotate(-45deg);
}

@media (max-width: 768px) {
  .dosage__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .dosage__item {
    flex-direction: column;
    gap: 0.25rem;
  }

  .dosage__item dt {
    flex: none;
    font-size: 0.875rem;
  }
}

/* ==========================================================================
   ELIGIBILITY
   ========================================================================== */

.eligibility__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.eligibility__subtitle {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  margin: 0 0 1.25rem 0;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid;
}

.eligibility__subtitle--positive {
  color: #2e7d32;
  border-color: #2e7d32;
}

.eligibility__subtitle--negative {
  color: #c62828;
  border-color: #c62828;
}

.eligibility__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.eligibility__list li {
  position: relative;
  padding: 0.75rem 0 0.75rem 2rem;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
}

.eligibility__list--positive li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 16px;
  height: 16px;
  background: #2e7d32;
  border-radius: var(--radius-full);
}

.eligibility__list--positive li::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 14px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--color-white);
  border-bottom: 2px solid var(--color-white);
  transform: rotate(-45deg);
}

.eligibility__list--negative li::before {
  content: '\00D7';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 16px;
  height: 16px;
  background: #c62828;
  border-radius: var(--radius-full);
  color: var(--color-white);
  font-size: 14px;
  font-weight: bold;
  line-height: 16px;
  text-align: center;
}

.eligibility__note {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  font-style: italic;
}

@media (max-width: 768px) {
  .eligibility__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ==========================================================================
   PRICING CARDS
   ========================================================================== */

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  position: relative;
  padding: 2.5rem 2rem;
  background: var(--color-white);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  text-align: center;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-medium);
}

.pricing-card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-medium);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.375rem 1rem;
  background: var(--gradient-primary);
  color: var(--color-white);
  font-family: var(--font-label);
  font-size: 0.6875rem;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  border-radius: var(--radius-pill);
}

.pricing-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 1rem 0;
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0 0 1.5rem 0;
}

.pricing-card__price span {
  font-size: 1rem;
  font-weight: var(--font-weight-regular);
  color: var(--color-text-secondary);
}

.pricing-card__price-detail {
  font-size: 0.875rem;
  color: #666;
  margin-top: -0.5rem;
  margin-bottom: 1rem;
}

.pricing-card__features {
  list-style: none;
  margin: 0 0 2rem 0;
  padding: 0;
  text-align: left;
}

.pricing-card__features li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.pricing-card__features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}

.pricing-card__features li::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 12px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--color-white);
  border-bottom: 2px solid var(--color-white);
  transform: rotate(-45deg);
}

.pricing__notes {
  text-align: center;
  margin-top: 2rem;
}

.pricing__notes p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0.5rem 0;
}

@media (max-width: 576px) {
  .pricing__grid {
    grid-template-columns: 1fr;
  }

  .pricing-card {
    padding: 2rem 1.5rem;
  }
}

/* ==========================================================================
   RESEARCH
   ========================================================================== */

.research__list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.research__item {
  padding: 1.5rem;
  background: var(--color-background);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
}

.research__citation {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

.research__more {
  text-align: center;
  margin-top: 2rem;
}

/* ==========================================================================
   CTA BLOCK NOTES
   ========================================================================== */

.cta-block__notes {
  list-style: none;
  margin: 2rem 0 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.cta-block__notes li {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 576px) {
  .cta-block__notes {
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }
}

/* ==========================================================================
   VISUALLY HIDDEN
   ========================================================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}