/* ============================================
   AMTEI — Styles pages produit / achat
   Partagé entre tuyauterie / cuves / etancheite / reparation
   ============================================ */

/* ========== HERO PRODUIT ========== */
.product-hero {
  padding: 120px 0 60px;
  background: var(--amtei-cream);
}
.product-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.product-hero-text .breadcrumb {
  margin-bottom: 24px;
}
.product-hero-text .product-num {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--amtei-orange);
  font-size: 14px;
  letter-spacing: 1px;
  margin-bottom: 16px;
  display: inline-block;
}
.product-hero-text h1 {
  font-size: clamp(36px, 5vw, 60px);
  margin-bottom: 24px;
  line-height: 1.1;
}
.product-hero-text .product-lead {
  font-size: 18px;
  line-height: 1.6;
  color: var(--amtei-ink);
  opacity: 0.85;
  margin-bottom: 32px;
}

/* Badges info (matériaux / garanties) */
.product-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

/* Bande de pictos ronds (comme fiche PDF) */
.product-pictos {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 32px 0;
}
.product-pictos img {
  width: 78px;
  height: 78px;
  object-fit: contain;
  transition: transform 0.3s var(--ease);
}
.product-pictos img:hover {
  transform: scale(1.08) rotate(-3deg);
}
@media (max-width: 720px) {
  .product-pictos { gap: 12px; }
  .product-pictos img { width: 62px; height: 62px; }
}
.product-badge {
  background: var(--amtei-white);
  color: var(--amtei-blue);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 1px solid var(--amtei-line);
}

/* Boutons CTA hero */
.product-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--amtei-blue);
  color: var(--amtei-white);
  padding: 16px 28px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s var(--ease);
  font-size: 15px;
}
.btn-cta-primary:hover {
  background: var(--amtei-orange);
  transform: translateY(-2px);
}
.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--amtei-blue);
  padding: 16px 28px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  border: 2px solid var(--amtei-blue);
  transition: all 0.3s var(--ease);
  font-size: 15px;
}
.btn-cta-secondary:hover {
  background: var(--amtei-blue);
  color: var(--amtei-white);
}
.btn-cta-secondary svg, .btn-cta-primary svg {
  width: 18px;
  height: 18px;
}

/* HERO IMAGE — grosse photo à droite */
.product-hero-image {
  aspect-ratio: 4/5;
  background: var(--amtei-blue);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px -20px rgba(15, 76, 129, 0.25);
}
.product-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-hero-image .image-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  letter-spacing: 1px;
  background: linear-gradient(135deg, var(--amtei-blue), var(--amtei-blue-deep));
  text-align: center;
  padding: 20px;
}
.product-hero-image .image-placeholder span {
  border: 2px dashed rgba(255,255,255,0.3);
  padding: 40px 30px;
  border-radius: 6px;
  line-height: 1.6;
}

/* Tag "Sur mesure" en haut de l'image hero */
.image-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--amtei-orange);
  color: var(--amtei-white);
  padding: 10px 18px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  z-index: 2;
}

@media (max-width: 720px) {
  .product-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-hero-image { aspect-ratio: 4/3; max-width: 500px; margin: 0 auto; }
}

/* ========== GALERIE PHOTOS ========== */
.product-gallery {
  padding: 40px 0 80px;
  background: var(--amtei-cream);
}
.gallery-label {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amtei-orange);
  margin-bottom: 20px;
  font-weight: 600;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  aspect-ratio: 4/3;
  background: var(--amtei-blue);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.3s var(--ease);
}
.gallery-item:hover { transform: translateY(-3px); }
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
}
.gallery-item .image-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.5);
  font-size: 11px;
  letter-spacing: 1px;
  background: linear-gradient(135deg, var(--amtei-blue), var(--amtei-blue-deep));
  text-align: center;
  padding: 10px;
}
@media (max-width: 768px) {
  .gallery-grid { grid-template-columns: 1fr; }
}

/* ========== BANDEAU ACHAT / DEVIS ========== */
.purchase-band {
  background: var(--amtei-orange);
  color: var(--amtei-white);
  padding: 36px 0;
}
.purchase-band-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.purchase-band h3 {
  color: var(--amtei-white);
  margin: 0;
  font-size: 26px;
  font-weight: 500;
}
.purchase-band p {
  margin: 6px 0 0;
  font-size: 14px;
  opacity: 0.95;
}
.purchase-band .purchase-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.purchase-band a.btn-white {
  background: var(--amtei-white);
  color: var(--amtei-orange);
  padding: 14px 26px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s var(--ease);
  font-size: 14px;
}
.purchase-band a.btn-white:hover {
  background: var(--amtei-ink);
  color: var(--amtei-white);
}
.purchase-band a.btn-outline-white {
  background: transparent;
  color: var(--amtei-white);
  padding: 14px 26px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  border: 2px solid var(--amtei-white);
  transition: all 0.3s var(--ease);
  font-size: 14px;
}
.purchase-band a.btn-outline-white:hover {
  background: var(--amtei-white);
  color: var(--amtei-orange);
}

/* ========== ENCART ORANGE LES + PRODUIT ========== */
.advantages-box {
  background: var(--amtei-orange);
  color: var(--amtei-white);
  padding: 36px 40px;
  border-radius: 4px;
  margin: 40px 0;
}
.advantages-box h4 {
  color: var(--amtei-white);
  font-size: 18px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 22px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 14px;
}
.advantages-box h4 .plus-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--amtei-white);
  color: var(--amtei-orange);
  font-size: 22px;
  font-weight: 700;
  flex-shrink: 0;
}
.advantages-box ul {
  list-style: none; padding: 0; margin: 0;
}
.advantages-box ul li {
  padding: 6px 0;
  font-size: 16px;
  line-height: 1.5;
  color: var(--amtei-white);
  position: relative;
  padding-left: 22px;
}
.advantages-box ul li::before {
  content: "+";
  position: absolute;
  left: 0; color: var(--amtei-white); font-weight: 700;
}

/* ========== ENCART DISTINCTIF (etancheite) ========== */
.distinctive-box {
  background: var(--amtei-cream);
  border-left: 4px solid var(--amtei-blue);
  padding: 32px 36px;
  border-radius: 4px;
  margin: 40px 0;
}
.distinctive-box h4 {
  color: var(--amtei-blue);
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 18px;
}
.distinctive-box ul {
  list-style: none; padding: 0; margin: 0;
}
.distinctive-box ul li {
  padding: 8px 0 8px 26px;
  font-size: 15px;
  line-height: 1.6;
  position: relative;
}
.distinctive-box ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--amtei-orange);
  font-weight: 700;
}

/* ========== CARTES AVANTAGES ========== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 40px 0;
}
.benefit-card {
  background: var(--amtei-cream);
  padding: 28px 30px;
  border-radius: 4px;
  border-left: 3px solid var(--amtei-orange);
}
.benefit-card .check {
  color: var(--amtei-orange);
  font-weight: 700;
  margin-right: 8px;
}
.benefit-card h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 18px;
  color: var(--amtei-blue);
  margin-bottom: 10px;
}
.benefit-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--amtei-ink);
  opacity: 0.85;
  margin: 0;
}
@media (max-width: 768px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

/* ========== CARTES MÉTHODE (etancheite, reparation) ========== */
.method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin: 40px 0;
}
.method-card {
  background: var(--amtei-cream);
  padding: 32px;
  border-radius: 4px;
  border-top: 3px solid var(--amtei-orange);
}
.method-card h4 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--amtei-blue);
  margin-bottom: 12px;
}
.method-card p {
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}
@media (max-width: 768px) {
  .method-grid { grid-template-columns: 1fr; }
}

/* ========== ÉTAPES EN GRILLE (reparation) ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 40px 0;
}
.step-card {
  background: var(--amtei-cream);
  padding: 28px 30px;
  border-radius: 4px;
  border-left: 3px solid var(--amtei-orange);
  position: relative;
}
.step-card .step-number {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  color: var(--amtei-orange);
  margin-bottom: 8px;
  letter-spacing: 1px;
  display: block;
}
.step-card h4 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 19px;
  color: var(--amtei-blue);
  margin-bottom: 10px;
}
.step-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--amtei-ink);
  opacity: 0.85;
  margin: 0;
}
@media (max-width: 768px) {
  .steps-grid { grid-template-columns: 1fr; }
}

/* ========== BANDEAU BLEU POURQUOI CHOISIR ========== */
.why-list {
  background: var(--amtei-blue);
  color: var(--amtei-white);
  padding: 48px 40px;
  border-radius: 4px;
  margin: 40px 0;
  text-align: center;
}
.why-list h3 {
  color: var(--amtei-white);
  font-style: italic;
  margin-bottom: 24px;
  font-size: 28px;
}
.why-list .tags {
  font-size: 16px;
  line-height: 1.9;
  color: var(--amtei-white);
  opacity: 1;
}
.why-list .tags span {
  color: var(--amtei-orange);
  margin: 0 8px;
  font-weight: 700;
  font-size: 18px;
}

/* ========== TÉLÉCHARGEMENT FICHE TECHNIQUE ========== */
.download-block {
  background: var(--amtei-cream);
  border: 1px solid var(--amtei-line);
  border-radius: 6px;
  padding: 32px 36px;
  margin: 40px 0;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.download-block .icon-pdf {
  width: 60px;
  height: 60px;
  background: var(--amtei-orange);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 12px;
  flex-shrink: 0;
  letter-spacing: 1px;
}
.download-block .download-text { flex: 1; min-width: 200px; }
.download-block h4 {
  color: var(--amtei-blue);
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 4px;
}
.download-block p {
  margin: 0;
  font-size: 13px;
  color: var(--amtei-ink);
  opacity: 0.7;
}
.download-block a {
  background: var(--amtei-blue);
  color: var(--amtei-white);
  padding: 14px 24px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.3s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.download-block a:hover {
  background: var(--amtei-orange);
  transform: translateY(-2px);
}

/* ========== BLOC URGENCE (reparation) ========== */
.urgent-box {
  background: var(--amtei-cream);
  border-left: 4px solid var(--amtei-orange);
  padding: 32px 36px;
  border-radius: 4px;
  margin: 40px 0;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.urgent-box .urgent-text { flex: 1; min-width: 280px; }
.urgent-box h4 {
  color: var(--amtei-blue);
  font-family: var(--font-display);
  font-size: 22px;
  margin-bottom: 8px;
}
.urgent-box p {
  margin: 0;
  font-size: 15px;
}
.urgent-box .phone {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--amtei-orange);
  font-weight: 500;
  text-decoration: none;
}