/* ── Product page: full-width bands (donor layout) ── */

.product-page {
  width: 100%;
  padding-bottom: 0;
}

.product-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px var(--pad-x);
  font-size: 13px;
  color: #6b8499;
}

.product-breadcrumb a {
  color: #4ba2b8;
  text-decoration: none;
  font-weight: 500;
}

.product-breadcrumb a:hover {
  text-decoration: underline;
}

.product-breadcrumb__sep {
  opacity: 0.45;
}

.product-breadcrumb + .product-band--hero > .product-band__inner {
  padding-top: 0;
}

.product-band {
  width: 100%;
}

.product-band__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(36px, 5vw, 72px) var(--pad-x);
}

/* ── Hero ── */
.product-band--hero {
  background: #f4f4f4;
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}

.product-gallery__frame {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  aspect-ratio: 1;
  max-width: 560px;
  margin-left: auto;
}

.product-gallery__frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: clamp(12px, 2vw, 24px);
}

.product-gallery__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  z-index: 1;
}

.product-summary {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.product-summary__en {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b8499;
}

.product-summary__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: #111;
  transform: none;
}

.product-summary__lead {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.65;
  color: rgba(0, 0, 0, 0.72);
  max-width: 52ch;
}

.product-summary__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 4px;
}

.product-summary__meta-item {
  font-size: 14px;
  color: #5a7088;
}

.product-summary__meta-item strong {
  font-weight: 600;
  color: #333;
}

.product-summary__article {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.product-summary__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  padding: 14px 26px;
  border: none;
  border-radius: 0;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  width: fit-content;
}

/* ── Buy / cart ── */
.product-buy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(75, 162, 184, 0.22);
  width: min(100%, 260px);
}

.product-buy--footer {
  align-items: center;
  margin: 0 auto;
  text-align: center;
}

.product-buy--footer .product-buy__price-block {
  align-items: center;
}

.product-buy__price-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.product-buy__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6b8499;
}

.product-buy__price {
  margin: 0;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #1a2e3d;
}

.product-buy__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 13px 20px;
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, #2d9de8, #5ec9a8);
  box-shadow: 0 4px 16px rgba(75, 162, 184, 0.28);
  transition: filter 0.2s ease, box-shadow 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.product-buy__btn:hover {
  filter: brightness(1.04);
  box-shadow: 0 6px 20px rgba(75, 162, 184, 0.34);
}

.product-buy__btn.is-added {
  filter: brightness(1.06);
}

.product-band--buy {
  background: #f4f4f4;
}

.product-buy-card {
  display: flex;
  justify-content: center;
}

.cart-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 9999;
  transform: translateX(-50%) translateY(120%);
  padding: 14px 22px;
  border-radius: 12px;
  background: rgba(26, 46, 61, 0.94);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 12px 32px rgba(26, 46, 61, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.cart-toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ── INCI ── */
.product-band--inci {
  background: #fff;
}

.product-band--inci .product-band__inner {
  text-align: left;
  padding-top: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(48px, 6vw, 80px);
}

.product-inci__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 800;
  color: #4ba2b8;
}

.product-inci__text {
  margin: 0;
  max-width: 900px;
  font-size: clamp(14px, 1.5vw, 17px);
  line-height: 1.75;
  color: rgba(21, 58, 87, 0.78);
}

/* ── Actives accordion (light) ── */
.product-band--actives {
  background: #f8fbfd;
  color: #1a2e3d;
}

.product-band--actives .product-band__inner {
  padding-top: clamp(40px, 5vw, 64px);
  padding-bottom: clamp(40px, 5vw, 64px);
}

.product-actives__title {
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800;
  color: #111;
}

.product-accordion {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid rgba(75, 162, 184, 0.22);
}

.product-accordion__item {
  border-bottom: 1px solid rgba(75, 162, 184, 0.22);
}

.product-accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: clamp(16px, 2vw, 22px) 0;
  border: none;
  background: none;
  color: #1a2e3d;
  font-family: inherit;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.product-accordion__trigger:hover {
  color: #4ba2b8;
}

.product-accordion__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
}

.product-accordion__icon::before,
.product-accordion__icon::after {
  content: "";
  position: absolute;
  background: rgba(75, 162, 184, 0.75);
  border-radius: 1px;
  transition: transform 0.2s ease;
}

.product-accordion__icon::before {
  top: 50%;
  left: 2px;
  right: 2px;
  height: 1px;
  margin-top: -0.5px;
}

.product-accordion__icon::after {
  left: 50%;
  top: 2px;
  bottom: 2px;
  width: 1px;
  margin-left: -0.5px;
}

.product-accordion__item.is-open .product-accordion__icon::after {
  transform: scaleY(0);
}

.product-accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.25s ease;
}

.product-accordion__item.is-open .product-accordion__panel {
  grid-template-rows: 1fr;
}

.product-accordion__panel-inner {
  overflow: hidden;
}

.product-accordion__panel p {
  margin: 0;
  padding: 0 0 clamp(16px, 2vw, 22px);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(26, 46, 61, 0.78);
  max-width: 72ch;
}

/* ── Benefits ── */
.product-band--benefits {
  background: #f4f4f4;
  position: relative;
  overflow: hidden;
}

.product-benefits {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 42%);
  grid-template-rows: auto 1fr;
  gap: clamp(20px, 3vw, 32px) clamp(24px, 4vw, 48px);
  align-items: stretch;
}

.product-benefits__title {
  margin: 0 0 clamp(4px, 1vw, 8px);
  grid-column: 1 / -1;
  grid-row: 1;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 800;
  color: #111;
}

.product-benefits__grid {
  display: grid;
  grid-column: 1;
  grid-row: 2;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 36px) clamp(24px, 4vw, 48px);
  margin: 0;
  padding: 0;
  list-style: none;
  align-self: center;
}

.product-benefits__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.product-benefits__mark {
  flex-shrink: 0;
  width: clamp(28px, 4vw, 36px);
  height: clamp(28px, 4vw, 36px);
  margin-top: 2px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4ba2b8 0%, #5ec9a8 100%);
  box-shadow: 0 2px 10px rgba(75, 162, 184, 0.22);
  position: relative;
}

.product-benefits__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 46%;
  width: 9px;
  height: 5px;
  margin-left: -5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

.product-benefits__text {
  margin: 0;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.78);
}

.product-benefits__visual {
  grid-column: 2;
  grid-row: 2;
  align-self: stretch;
  min-height: 280px;
  background-size: auto 100%;
  background-repeat: no-repeat;
  background-position: center right;
}

/* ── Indications (light + circle photo) ── */
.product-band--indications {
  background: #fff;
  color: #1a2e3d;
}

.product-indications {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(20px, 3vw, 32px);
}

.product-indications__photo {
  width: clamp(200px, 24vw, 320px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  margin: 0;
  background: #eef4f8;
  flex-shrink: 0;
}

.product-indications__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-indications__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800;
  color: #111;
}

.product-indications__text {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.65;
  color: rgba(26, 46, 61, 0.78);
  max-width: 42ch;
}

.product-indications__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  justify-content: center;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.product-indications__grid-item {
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(75, 162, 184, 0.25);
  font-size: clamp(14px, 1.5vw, 17px);
  color: rgba(26, 46, 61, 0.85);
}

.product-indications__cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(20px, 3vw, 36px);
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  width: 100%;
}

.product-indications__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  flex: 0 1 clamp(120px, 14vw, 180px);
  max-width: 180px;
  min-width: 0;
}

.product-indications__card-photo {
  margin: 0;
  width: clamp(120px, 14vw, 180px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  background: #eef4f8;
  box-shadow: 0 6px 20px rgba(75, 162, 184, 0.14);
  flex-shrink: 0;
}

.product-indications__card--text-only {
  justify-content: center;
}

.product-indications__card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-indications__card-label {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.45;
  color: rgba(26, 46, 61, 0.85);
  max-width: 18ch;
  text-wrap: balance;
}

@media (max-width: 640px) {
  .product-indications__card {
    flex: 0 1 clamp(110px, 40vw, 160px);
    max-width: 160px;
  }

  .product-indications__card-label {
    max-width: 16ch;
  }
}

/* ── Video ── */
.product-band--video {
  background: #f4f4f4;
}

.product-video__title {
  margin: 0 0 clamp(24px, 4vw, 40px);
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 800;
  color: #111;
  text-align: center;
}

.product-video__frame {
  position: relative;
  width: min(100%, 900px);
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius, 16px);
  overflow: hidden;
  background: #000;
  box-shadow: 0 12px 40px rgba(26, 46, 61, 0.12);
}

.product-video__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.product-video__fallback {
  margin: 16px 0 0;
  text-align: center;
  font-size: 15px;
}

.product-video__fallback a {
  color: #4ba2b8;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.product-video__fallback a:hover {
  color: #2d7f94;
}

/* ── Protocol ── */
.product-band--protocol {
  background: linear-gradient(135deg, #f6f8fa 0%, #f0f4f7 50%, #eef6f3 100%);
}

.product-protocol-intro__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 800;
  color: #4ba2b8;
  transform: scaleY(1.08);
  transform-origin: left top;
}

.product-protocol-intro__lead {
  margin: 0 0 16px;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.65;
  color: rgba(21, 58, 87, 0.78);
  max-width: 72ch;
}

.product-protocol-intro__sub {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: #3d6a85;
}

.product-protocol-intro__list {
  margin: 0 0 clamp(32px, 4vw, 48px);
  padding: 0 0 0 1.2em;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.65;
  color: rgba(21, 58, 87, 0.78);
  max-width: 72ch;
}

.product-protocol-intro__list li {
  margin-bottom: 6px;
}

.product-protocol__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 48px) clamp(32px, 5vw, 64px);
}

.product-protocol__step {
  min-width: 0;
  padding: clamp(18px, 2.5vw, 26px);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(248, 252, 255, 0.88));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 24px rgba(45, 157, 232, 0.1);
}

.product-protocol__step-head {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 24px);
  font-weight: 800;
  line-height: 1.2;
  color: #4ba2b8;
  transform: scaleY(1.06);
  transform-origin: left top;
}

.product-protocol__line {
  height: 2px;
  background: linear-gradient(90deg, #4ba2b8, #5ec9a8);
  margin-bottom: 16px;
  border-radius: 1px;
}

.product-protocol__step p {
  margin: 0;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.65;
  color: rgba(21, 58, 87, 0.78);
}

.product-protocol__step strong {
  font-weight: 700;
  color: #3d6a85;
}

/* ── CTA stays in base.css ── */
.product-page .cta-section {
  max-width: none;
  margin: 0;
  border-radius: 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .product-summary__title {
    font-size: clamp(30px, 8.2vw, 38px);
    line-height: 1.1;
  }

  .product-inci__title,
  .product-actives__title,
  .product-benefits__title,
  .product-indications__title,
  .product-video__title,
  .product-protocol-intro__title {
    font-size: clamp(26px, 6.8vw, 32px);
  }

  .product-protocol__step-head {
    font-size: clamp(22px, 5.8vw, 26px);
  }

  .product-hero {
    grid-template-columns: 1fr;
  }

  .product-gallery__frame {
    max-width: 400px;
    margin: 0 auto;
  }

  .product-benefits {
    grid-template-columns: 1fr;
  }

  .product-benefits__visual {
    grid-column: 1;
    grid-row: auto;
    min-height: 220px;
    background-size: contain;
    background-position: center center;
    order: -1;
  }

  .product-benefits__grid {
    grid-template-columns: 1fr;
  }

  .product-protocol__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) and (min-width: 769px) {
  .product-hero {
    grid-template-columns: 1fr;
  }

  .product-gallery__frame {
    max-width: 400px;
    margin: 0 auto;
  }

  .product-benefits {
    grid-template-columns: 1fr;
  }

  .product-benefits__visual {
    grid-column: 1;
    grid-row: auto;
    min-height: 220px;
    background-size: contain;
    background-position: center center;
    order: -1;
  }

  .product-benefits__grid {
    grid-template-columns: 1fr;
  }

  .product-protocol__grid {
    grid-template-columns: 1fr;
  }
}