/* =====================
   RESET & BASE
   ===================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #1a1a1a;
  --gray-dark: #444;
  --gray-mid: #888;
  --gray-light: #d4d4d4;
  --gray-bg: #f7f6f4;
  --white: #ffffff;
  --accent: #2d6a4f;        /* vert naturel */
  --accent-light: #e8f5ee;
  --accent-mid: #52b788;
  --warm: #f5f0e8;
  --radius: 10px;
  --radius-sm: 6px;
  --transition: 0.2s ease;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

ul {
  list-style: none;
}

/* =====================
   LAYOUT
   ===================== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =====================
   HEADER
   ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 32px;
}

.logo {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: 0.08em;
  color: var(--black);
  flex-shrink: 0;
}
.logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 28px;
}
.nav-links a {
  font-size: 14px;
  color: var(--gray-dark);
  font-weight: 400;
  transition: color var(--transition);
}
.nav-links a:hover {
  color: var(--black);
}

.header-actions {
  display: flex;
  gap: 8px;
}
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--gray-dark);
  transition: background var(--transition), color var(--transition);
}
.icon-btn:hover {
  background: var(--gray-bg);
  color: var(--black);
}

/* =====================
   BREADCRUMB
   ===================== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 20px;
  padding-bottom: 12px;
  font-size: 13px;
  color: var(--gray-mid);
}
.breadcrumb a:hover {
  color: var(--black);
}
.breadcrumb span:last-child {
  color: var(--black);
}

/* =====================
   PRODUCT SECTION
   ===================== */
.product-section {
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 56px;
  padding-top: 16px;
  padding-bottom: 64px;
  align-items: start;
}

/* GALLERY */
.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gallery-main {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray-bg);
  aspect-ratio: 4/5;
}
.main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.main-img:hover {
  transform: scale(1.03);
}

.gallery-thumbs {
  display: flex;
  gap: 10px;
}
.thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color var(--transition);
  flex-shrink: 0;
  background: var(--gray-bg);
}
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumb:hover,
.thumb.active {
  border-color: var(--black);
}

/* PRODUCT INFO */
.product-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  padding-top: 8px;
}
/* éléments full-width */
.product-info > .product-category,
.product-info > .product-title,
.product-info > .product-rating,
.product-info > .product-price,
.product-info > .product-desc,
.product-info > .product-actions,
.product-info > .trust-badges,
.product-info > .qce-block {
  grid-column: 1 / -1;
}

.product-category {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.product-title {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--black);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 10px;
}
.stars {
  color: #e0a800;
  font-size: 18px;
  letter-spacing: 1px;
}
.stars .half {
  color: var(--gray-light);
  position: relative;
}
.stars.small {
  font-size: 14px;
}
.rating-count {
  font-size: 13px;
  color: var(--gray-mid);
  text-decoration: underline;
  cursor: pointer;
}

.product-price {
  display: flex;
  align-items: center;
  gap: 12px;
}
.price-current {
  font-size: 26px;
  font-weight: 600;
  color: var(--black);
}
.price-old {
  font-size: 16px;
  color: var(--gray-mid);
  text-decoration: line-through;
}
.price-badge {
  background: #fee2e2;
  color: #b91c1c;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 20px;
}

.product-desc {
  color: var(--gray-dark);
  line-height: 1.7;
  font-size: 14.5px;
  border-top: 1px solid var(--gray-light);
  padding-top: 20px;
}

/* SELECTORS */
.selector-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.selector-label {
  font-size: 13.5px;
  color: var(--gray-dark);
}
.selector-label strong {
  color: var(--black);
}

.color-swatches {
  display: flex;
  gap: 10px;
}
.swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  outline: 2px solid transparent;
  outline-offset: 3px;
  transition: outline-color var(--transition);
  position: relative;
}
.swatch:hover,
.swatch.active {
  outline-color: var(--black);
}

.size-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.size-guide {
  font-size: 12.5px;
  color: var(--gray-mid);
  text-decoration: underline;
}

.size-grid {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.size-btn {
  min-width: 48px;
  height: 44px;
  padding: 0 12px;
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gray-dark);
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}
.size-btn:hover {
  border-color: var(--black);
  color: var(--black);
}
.size-btn.active {
  border-color: var(--black);
  background: var(--black);
  color: var(--white);
}

/* ACTIONS */
.product-actions {
  display: flex;
  gap: 12px;
}
.btn-primary {
  flex: 1;
  height: 52px;
  background: var(--black);
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
  transition: background var(--transition), transform var(--transition);
}
.btn-primary:hover {
  background: #333;
  transform: translateY(-1px);
}
.btn-wishlist {
  width: 52px;
  height: 52px;
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius-sm);
  color: var(--gray-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--transition), color var(--transition);
}
.btn-wishlist:hover {
  border-color: var(--black);
  color: var(--black);
}

/* TRUST BADGES */
.trust-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--gray-light);
  padding-top: 20px;
}
.badge {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--gray-dark);
}
.badge svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* =====================
   TABS
   ===================== */
.tabs-nav-wrapper {
  border-bottom: 1px solid var(--gray-light);
  background: var(--white);
  position: sticky;
  top: 64px;
  z-index: 90;
}
.tabs-nav {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: 16px 24px;
  font-size: 14px;
  font-weight: 400;
  color: var(--gray-mid);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color var(--transition), border-color var(--transition);
  flex-shrink: 0;
}
.tab-btn:hover {
  color: var(--black);
}
.tab-btn.active {
  color: var(--black);
  border-bottom-color: var(--black);
  font-weight: 500;
}
/* Visual highlight for the env tab */
.tab-btn.active-env {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 500;
}

/* TAB PANELS */
.tab-contents {
  padding-top: 56px;
  padding-bottom: 80px;
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

.tab-inner {
  max-width: 860px;
}
.tab-inner h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 20px;
}
.tab-inner p {
  color: var(--gray-dark);
  margin-bottom: 14px;
  line-height: 1.75;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-dark);
  padding-left: 16px;
  position: relative;
}
.feature-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gray-light);
}

.composition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.composition-grid h3 {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 12px;
}

/* =====================
   QCE BLOCK — ACCORDÉON
   ===================== */
.qce-block {
  border-top: 1px solid var(--gray-light);
  padding-top: 20px;
}

/* summary = en-tête cliquable */
.qce-header {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  padding: 2px 0;
}
.qce-header::-webkit-details-marker { display: none; }

.qce-leaf {
  flex-shrink: 0;
}

.qce-main-title {
  flex: 1;
  font-size: 14px;
  font-weight: 600;
  color: var(--black);
  line-height: 1.3;
}

.qce-chevron {
  color: var(--gray-mid);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.qce-block[open] .qce-chevron {
  transform: rotate(180deg);
}

/* contenu de l'accordéon */
.qce-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 14px;
}

.qce-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.qce-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-dark);
  line-height: 1.5;
}

.qce-emoji {
  font-size: 15px;
  flex-shrink: 0;
}

.qce-item strong {
  color: var(--black);
  font-weight: 600;
}

.qce-item span {
  color: var(--gray-dark);
}

.qce-infotri {
  background: var(--gray-bg);
  border-radius: var(--radius);
  padding: 14px;           /* padding égal sur les 4 côtés */
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 540px;            /* largeur fixe, plus étroite que la colonne (~616px) */
  overflow: hidden;
}

.infotri-label {
  font-size: 13px;
  color: var(--gray-mid);
  font-weight: 500;
  margin: 0;
}

/* Le wrapper s'étend à (100% / scale) avant scale,
   ce qui donne exactement la largeur du contenu après scale.
   margin-bottom négatif pour compenser l'espace de layout non-scalé. */
.infotri-widget-wrap {
  transform: scale(0.7);
  transform-origin: top left;
  width: calc(100% / 0.7);
  margin-bottom: -42px;
}

.qce-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  color: var(--accent);
  font-weight: 500;
  transition: color var(--transition);
}

.qce-link:hover {
  color: var(--accent-mid);
}

.qce-link svg {
  flex-shrink: 0;
}

/* =====================
   ENV / QCE SECTION (deprecated)
   ===================== */
.env-section {
  max-width: 100%;
  display: none;
}

.env-header {
  margin-bottom: 36px;
}
.env-title-block {
  max-width: 680px;
}
.env-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.env-title-block h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  margin-bottom: 12px;
  color: var(--black);
}
.env-intro {
  font-size: 15px;
  color: var(--gray-mid);
  line-height: 1.7;
  margin: 0;
}

/* ENV CARDS GRID */
.env-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.env-card {
  background: var(--gray-bg);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.env-card:hover {
  border-color: var(--accent-mid);
  box-shadow: 0 4px 16px rgba(45, 106, 79, 0.08);
}

.env-card-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.env-card-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.env-card-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
}
.env-card-content p {
  font-size: 13.5px;
  color: var(--gray-dark);
  line-height: 1.7;
  margin: 0;
}

.env-stat {
  margin-top: 4px;
  background: var(--accent-light);
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 13px;
  color: var(--accent);
  line-height: 1.5;
}
.env-stat strong {
  font-weight: 600;
}

/* INFO-TRI BLOCK */
.infotri-block {
  background: var(--white);
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius);
  padding: 36px;
}

.infotri-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.infotri-header h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}
.infotri-header p {
  font-size: 13.5px;
  color: var(--gray-mid);
  line-height: 1.6;
  margin: 0;
  max-width: 540px;
}
.infotri-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  padding: 8px 16px;
  border: 1.5px solid var(--accent);
  border-radius: 20px;
  transition: background var(--transition), color var(--transition);
}
.infotri-link:hover {
  background: var(--accent);
  color: var(--white);
}

.infotri-widget {
  /* Let the widget breathe */
  min-height: 80px;
}

/* =====================
   REVIEWS
   ===================== */
.reviews-summary {
  margin-bottom: 32px;
}
.reviews-score {
  display: flex;
  align-items: center;
  gap: 16px;
}
.score-big {
  font-size: 48px;
  font-weight: 300;
  font-family: var(--font-display);
}

.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.review-item {
  padding: 20px 0;
  border-top: 1px solid var(--gray-light);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.review-date {
  font-size: 12.5px;
  color: var(--gray-mid);
}

/* =====================
   FOOTER
   ===================== */
.site-footer {
  background: var(--black);
  color: rgba(255,255,255,0.7);
  margin-top: 64px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  padding-top: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 12px;
  display: inline-block;
}
.footer-brand p {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  max-width: 240px;
}
.footer-links {
  display: flex;
  gap: 48px;
}
.footer-links > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links strong {
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--white);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  padding-bottom: 16px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a {
  color: rgba(255,255,255,0.55);
  text-decoration: underline;
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 900px) {
  .product-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .product-info {
    grid-template-columns: 1fr;
  }
  .gallery-main {
    aspect-ratio: 3/2;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .product-title { font-size: 26px; }
  .composition-grid { grid-template-columns: 1fr; gap: 24px; }
  .tabs-nav { gap: 0; }
  .tab-btn { padding: 14px 16px; font-size: 13px; }
  .qce-infotri { padding: 12px; }
  .footer-links { flex-direction: column; gap: 24px; }
}