/* e4-ia.fr — CSS complet */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#fdfdfd;--txt:#1a1a2e;--sub:#5a5a6e;
  --ac:#0d7377;--ac2:#14919b;--ac-light:#e8f6f7;
  --bd:#e4e4e8;--card:#fff;
  --f:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mx:1100px;--mx-narrow:780px;
  --shadow:0 2px 12px rgba(0,0,0,.06);
  --radius:10px;
}
body{font-family:var(--f);color:var(--txt);background:var(--bg);line-height:1.7;font-size:17px}
a{color:var(--ac);text-decoration:none;transition:color .2s}
a:hover{color:var(--ac2);text-decoration:underline}
img{max-width:100%;height:auto;display:block}

/* ── HEADER ── */
.hdr{background:#fff;border-bottom:1px solid var(--bd);padding:0 2rem;position:sticky;top:0;z-index:100}
.hdr-inner{max-width:var(--mx);margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:60px}
.hdr-logo{font-size:1.2rem;font-weight:800;color:var(--txt);letter-spacing:-.5px}
.hdr-logo span{color:var(--ac)}
nav{display:flex;gap:1.5rem;font-size:.9rem}
nav a{color:var(--sub);text-decoration:none;padding:.3rem 0;border-bottom:2px solid transparent;transition:all .2s}
nav a:hover{color:var(--ac);text-decoration:none;border-bottom-color:var(--ac)}

/* ── HERO ── */
.hero{position:relative;min-height:80vh;overflow:hidden;display:flex;align-items:center;justify-content:center}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.45)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff;padding:2rem;max-width:700px}
.hero-content h1{font-size:2.6rem;font-weight:800;line-height:1.15;margin-bottom:.8rem;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-content p{font-size:1.15rem;line-height:1.6;opacity:.92;margin-bottom:1.5rem}
.hero-cta{display:inline-block;background:var(--ac);color:#fff;padding:.7rem 2rem;border-radius:50px;font-weight:600;font-size:.95rem;text-decoration:none;transition:all .25s;box-shadow:0 4px 15px rgba(13,115,119,.35)}
.hero-cta:hover{background:var(--ac2);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 20px rgba(13,115,119,.45)}

/* ── SECTIONS ── */
.section{max-width:var(--mx);margin:0 auto;padding:4rem 2rem}
.section-header{text-align:center;margin-bottom:3rem}
.section-header h2{font-size:1.8rem;font-weight:700;margin-bottom:.5rem}
.section-header p{color:var(--sub);font-size:1.05rem;max-width:600px;margin:0 auto}
.section-alt{background:#f7f8fa}
.section-alt .section{padding:4rem 2rem}

/* ── FEATURE ROWS (image + text) ── */
.feature{display:flex;align-items:center;gap:3rem;margin-bottom:3.5rem}
.feature:last-child{margin-bottom:0}
.feature.reverse{flex-direction:row-reverse}
.feature-img{flex:0 0 48%;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.feature-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s}
.feature-img:hover img{transform:scale(1.03)}
.feature-text{flex:1}
.feature-text .tag{display:inline-block;font-size:.75rem;font-weight:600;color:var(--ac);background:var(--ac-light);padding:.25rem .7rem;border-radius:50px;margin-bottom:.7rem;text-transform:uppercase;letter-spacing:.5px}
.feature-text h3{font-size:1.35rem;font-weight:700;margin-bottom:.5rem;line-height:1.3}
.feature-text p{color:var(--sub);line-height:1.65;margin-bottom:.8rem}
.feature-text .link{font-weight:600;font-size:.9rem}
.feature-text .link::after{content:" →";transition:margin-left .2s}
.feature-text .link:hover::after{margin-left:4px}

/* ── STATS BAR ── */
.stats{background:linear-gradient(135deg,#0d7377 0%,#14919b 50%,#1aabb2 100%);padding:3rem 2rem;color:#fff}
.stats-inner{max-width:var(--mx);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center}
.stat-num{font-size:2.4rem;font-weight:800;line-height:1}
.stat-label{font-size:.85rem;opacity:.85;margin-top:.3rem}

/* ── ARTICLE CARDS ── */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.card{border:1px solid var(--bd);border-radius:var(--radius);background:var(--card);overflow:hidden;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,0,0,.08)}
.card-body{padding:1.2rem 1.4rem}
.card h2{font-size:1.05rem;margin-bottom:.3rem;line-height:1.35}
.card h2 a{color:var(--txt);text-decoration:none}
.card h2 a:hover{color:var(--ac)}
.card p{color:var(--sub);font-size:.9rem;line-height:1.5}
.card .tag{display:inline-block;font-size:.7rem;font-weight:600;color:var(--ac);background:var(--ac-light);padding:.15rem .5rem;border-radius:50px;margin-top:.6rem}

/* ── ARTICLE PAGES ── */
.wrap{max-width:var(--mx-narrow);margin:0 auto;padding:2.5rem 1.5rem}
article h1{font-size:1.6rem;line-height:1.3;margin-bottom:.3rem}
article .meta{color:var(--sub);font-size:.85rem;margin-bottom:1.8rem}
article h2{font-size:1.25rem;margin:2rem 0 .6rem;color:var(--txt)}
article h3{font-size:1.08rem;margin:1.5rem 0 .4rem}
article p{margin-bottom:1rem}
article ul,article ol{margin:0 0 1rem 1.5rem}
article li{margin-bottom:.3rem}
article blockquote{border-left:3px solid var(--ac);padding:.7rem 1.2rem;margin:1.2rem 0;background:var(--ac-light);font-style:italic;color:var(--sub);border-radius:0 var(--radius) var(--radius) 0}
.related{margin-top:3rem;padding-top:1.8rem;border-top:1px solid var(--bd)}
.related h3{font-size:1rem;margin-bottom:.8rem;color:var(--sub)}
.related ul{list-style:none;padding:0}
.related li{margin-bottom:.5rem;font-size:.93rem}
.related li::before{content:"→ ";color:var(--ac)}

/* ── FOOTER ── */
.ftr{border-top:1px solid var(--bd);padding:2rem;text-align:center;color:var(--sub);font-size:.82rem;margin-top:0}
.ftr a{color:var(--sub)}
.ftr a:hover{color:var(--ac)}

/* ── RESPONSIVE ── */
@media(max-width:768px){
  .hdr-inner{flex-direction:column;height:auto;padding:.8rem 0;gap:.4rem}
  nav{gap:.8rem;flex-wrap:wrap;justify-content:center}
  .hero{height:380px}
  .hero-content h1{font-size:1.8rem}
  .hero-content p{font-size:1rem}
  .feature{flex-direction:column!important;gap:1.5rem}
  .feature-img{flex:none;width:100%}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:1.5rem}
  .section{padding:2.5rem 1.2rem}
  .section-header h2{font-size:1.4rem}
  .cards{grid-template-columns:1fr}
}

/* ══════════════════════════════════════
   E-COMMERCE / BOUTIQUE
   ══════════════════════════════════════ */

/* ── BREADCRUMB ── */
.breadcrumb-bar{background:#f7f8fa;border-bottom:1px solid var(--bd);padding:.6rem 2rem;font-size:.82rem}
.breadcrumb-inner{max-width:var(--mx);margin:0 auto;display:flex;align-items:center;gap:.4rem;color:var(--sub)}
.breadcrumb-inner a{color:var(--sub);text-decoration:none}
.breadcrumb-inner a:hover{color:var(--ac)}
.breadcrumb-inner span{color:var(--sub)}

/* ── NAV ACTIVE ── */
nav a.nav-active{color:var(--ac);border-bottom-color:var(--ac)}

/* ── SHOP HERO ── */
.shop-hero{background:linear-gradient(135deg,#0a5c5f 0%,#14919b 60%,#1dc4c9 100%);color:#fff;padding:3.5rem 2rem 3rem;text-align:center}
.shop-hero h1{font-size:2.2rem;font-weight:800;margin-bottom:.5rem}
.shop-hero p{font-size:1.05rem;opacity:.9;max-width:600px;margin:0 auto .8rem}
.shop-stats{display:flex;gap:2rem;justify-content:center;font-size:.9rem;opacity:.85}
.shop-stats span{display:flex;align-items:center;gap:.3rem}

/* ── SHOP FILTERS ── */
.shop-section{max-width:var(--mx);margin:0 auto;padding:2rem}
.shop-filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--bd)}
.filter-btn{background:#fff;border:1px solid var(--bd);padding:.4rem 1rem;border-radius:50px;font-size:.82rem;cursor:pointer;transition:all .2s;color:var(--sub);font-family:var(--f)}
.filter-btn:hover{border-color:var(--ac);color:var(--ac)}
.filter-btn.active{background:var(--ac);color:#fff;border-color:var(--ac)}
.shop-count{font-size:.85rem;color:var(--sub);margin-bottom:1.2rem}

/* ── PRODUCT GRID ── */
.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.4rem}
.product-card{display:block;border:1px solid var(--bd);border-radius:var(--radius);background:var(--card);overflow:hidden;text-decoration:none;color:var(--txt);transition:transform .25s,box-shadow .25s}
.product-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,.1);text-decoration:none}
.product-card-img{position:relative;aspect-ratio:1/1;overflow:hidden;background:#f5f5f7}
.product-card-img img{width:100%;height:100%;object-fit:contain;padding:1rem;transition:transform .35s}
.product-card:hover .product-card-img img{transform:scale(1.05)}
.product-card-body{padding:1rem 1.2rem 1.2rem}
.product-cat{display:inline-block;font-size:.68rem;font-weight:600;color:var(--ac);background:var(--ac-light);padding:.15rem .5rem;border-radius:50px;margin-bottom:.4rem;text-transform:uppercase;letter-spacing:.5px}
.product-card h3{font-size:.95rem;font-weight:600;line-height:1.3;margin-bottom:.35rem;color:var(--txt)}
.product-rating{display:flex;align-items:center;gap:.3rem;font-size:.8rem;margin-bottom:.4rem}
.stars{color:#f5a623;letter-spacing:1px}
.rating-num{font-weight:600;color:var(--txt)}
.review-cnt{color:var(--sub);font-size:.75rem}
.product-price{display:flex;align-items:baseline;gap:.5rem}
.price-promo{font-size:1.15rem;font-weight:700;color:#d9534f}
.price-old{font-size:.85rem;color:var(--sub);text-decoration:line-through}

/* ── BADGE PROMO ── */
.badge-promo{position:absolute;top:.8rem;left:.8rem;background:#d9534f;color:#fff;font-size:.72rem;font-weight:700;padding:.25rem .6rem;border-radius:50px;z-index:2}

/* ══ PRODUCT PAGE ══ */
.product-page{max-width:var(--mx);margin:0 auto;padding:2rem}
.product-top{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin-bottom:3rem}
.product-gallery{position:relative;background:#f9f9fb;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;border:1px solid var(--bd)}
.product-gallery img{max-width:85%;max-height:85%;object-fit:contain}
.product-info{display:flex;flex-direction:column;justify-content:center}
.product-cat-label{display:inline-block;font-size:.72rem;font-weight:600;color:var(--ac);background:var(--ac-light);padding:.2rem .6rem;border-radius:50px;margin-bottom:.6rem;text-transform:uppercase;letter-spacing:.5px}
.product-info h1{font-size:1.8rem;font-weight:800;line-height:1.2;margin-bottom:.6rem}
.product-rating-lg{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem}
.stars-lg{color:#f5a623;font-size:1.2rem;letter-spacing:2px}
.rating-value{font-weight:700;font-size:1rem}
.review-count{color:var(--sub);font-size:.85rem}
.product-price-lg{display:flex;align-items:baseline;gap:.8rem;margin-bottom:1rem}
.price-promo-lg{font-size:2rem;font-weight:800;color:#d9534f}
.price-old-lg{font-size:1.1rem;color:var(--sub);text-decoration:line-through}
.price-save{font-size:.8rem;font-weight:600;color:#fff;background:#d9534f;padding:.2rem .5rem;border-radius:50px}
.product-intro{color:var(--sub);font-size:.92rem;line-height:1.6;margin-bottom:1.2rem;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}

/* ── ADD TO CART ── */
.product-actions{margin-bottom:1.2rem}
.btn-cart{display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(135deg,#0d7377,#14919b);color:#fff;border:none;padding:.85rem 2.2rem;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .25s;box-shadow:0 4px 15px rgba(13,115,119,.3);font-family:var(--f)}
.btn-cart:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(13,115,119,.45);background:linear-gradient(135deg,#14919b,#1aabb2)}
.btn-cart:active{transform:translateY(0)}
.product-stock{margin-top:.6rem;font-size:.82rem;color:#27ae60;display:flex;align-items:center;gap:.4rem}
.stock-dot{width:8px;height:8px;background:#27ae60;border-radius:50%;display:inline-block;animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.4}}

/* ── GUARANTEES ── */
.product-guarantees{display:flex;gap:1.2rem;flex-wrap:wrap;padding-top:1rem;border-top:1px solid var(--bd)}
.guarantee{font-size:.8rem;color:var(--sub);display:flex;align-items:center;gap:.3rem}

/* ── TABS ── */
.product-details{margin-bottom:3rem}
.product-tabs{display:flex;gap:0;border-bottom:2px solid var(--bd);margin-bottom:1.5rem;overflow-x:auto}
.tab-btn{background:none;border:none;padding:.7rem 1.3rem;font-size:.9rem;color:var(--sub);cursor:pointer;font-weight:500;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s;white-space:nowrap;font-family:var(--f)}
.tab-btn:hover{color:var(--ac)}
.tab-btn.active{color:var(--ac);border-bottom-color:var(--ac);font-weight:600}
.tab-content{display:none;line-height:1.7}
.tab-content.active{display:block}
.tab-content h2{font-size:1.25rem;margin:1.5rem 0 .6rem;color:var(--txt)}
.tab-content h2:first-child{margin-top:0}
.tab-content p{margin-bottom:.8rem;color:var(--sub)}

/* ── COMPOSITION LIST ── */
.compo-list{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:.4rem}
.compo-list li{padding:.5rem .8rem;background:var(--ac-light);border-radius:6px;font-size:.85rem;border-left:3px solid var(--ac)}

/* ── FAQ ACCORDION ── */
.faq-list{display:flex;flex-direction:column;gap:.5rem}
.faq-item{border:1px solid var(--bd);border-radius:8px;overflow:hidden}
.faq-q{display:block;width:100%;text-align:left;padding:.8rem 1.2rem;background:#fff;border:none;font-size:.92rem;font-weight:600;cursor:pointer;color:var(--txt);font-family:var(--f);position:relative;padding-right:2.5rem}
.faq-q::after{content:'+';position:absolute;right:1rem;top:50%;transform:translateY(-50%);font-size:1.3rem;color:var(--ac);transition:transform .2s}
.faq-item.open .faq-q::after{content:'−'}
.faq-item.open .faq-q{background:var(--ac-light)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:500px}
.faq-a p{padding:.8rem 1.2rem;margin:0;color:var(--sub);font-size:.88rem}

/* ── RELATED PRODUCTS ── */
.related-products{border-top:1px solid var(--bd);padding-top:2.5rem}
.related-products h2{font-size:1.3rem;margin-bottom:1.2rem}
.related-products .shop-grid{grid-template-columns:repeat(4,1fr)}

/* ── TOAST NOTIFICATION ── */
.toast{position:fixed;bottom:-60px;left:50%;transform:translateX(-50%);background:#27ae60;color:#fff;padding:.8rem 1.5rem;border-radius:50px;font-size:.9rem;font-weight:600;box-shadow:0 4px 20px rgba(0,0,0,.15);transition:bottom .4s ease;z-index:999}
.toast.show{bottom:2rem}

/* ── SHOP RESPONSIVE ── */
@media(max-width:768px){
  .shop-hero h1{font-size:1.6rem}
  .shop-grid{grid-template-columns:repeat(2,1fr);gap:.8rem}
  .product-top{grid-template-columns:1fr;gap:1.5rem}
  .product-gallery{aspect-ratio:auto;min-height:300px}
  .product-info h1{font-size:1.4rem}
  .price-promo-lg{font-size:1.6rem}
  .product-guarantees{flex-direction:column;gap:.5rem}
  .compo-list{grid-template-columns:1fr}
  .related-products .shop-grid{grid-template-columns:repeat(2,1fr)}
  .product-tabs{gap:0}
  .tab-btn{padding:.5rem .8rem;font-size:.8rem}
}
@media(max-width:480px){
  .shop-grid{grid-template-columns:1fr}
  .related-products .shop-grid{grid-template-columns:1fr}
}