/* ===== YiDUOLash Product Single Styles v4 ===== */
/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,sans-serif;
  color:#1a1a1a;
  background:#fcfaf8;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{cursor:pointer;font-family:inherit;background:none;border:none}
:focus-visible{outline:2px solid #b88494;outline-offset:3px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,.logo{font-family:'Playfair Display',serif;font-weight:600}
.label{
  font-size:11px;font-weight:600;letter-spacing:2.5px;
  text-transform:uppercase;color:#b88494;margin-bottom:10px;
}

/* ===== REVEAL ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.12s}
.reveal-d2{transition-delay:.24s}
.reveal-d3{transition-delay:.36s}
.reveal-d4{transition-delay:.48s}

/* ===== ANNOUNCEMENT ===== */
.announcement-bar{
  background:#1a1a1a;color:#fff;
  text-align:center;padding:9px 16px;
  font-size:12px;letter-spacing:.4px;font-weight:400;
  position:relative;z-index:102;
  transition:transform .3s;
}
.announcement-bar strong{color:#f0cad8;font-weight:600}
.announcement-bar.hide{transform:translateY(-100%)}

/* ===== HEADER ===== */
.header{
  position:sticky;top:0;z-index:101;
  background:rgba(252,250,248,.96);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(0,0,0,.05);
  transition:box-shadow .3s;
}
.header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.06)}
.header-inner{
  display:flex;align-items:center;
  justify-content:space-between;
  padding:16px 24px;max-width:1200px;margin:0 auto;
}
.logo{
  font-size:22px;font-weight:700;letter-spacing:.5px;
  font-family:'Playfair Display',serif;
}
.logo em{font-style:italic;color:#b88494}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  font-size:13px;font-weight:500;letter-spacing:.3px;
  transition:color .3s;position:relative;color:#444;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-4px;left:0;
  width:0;height:1.5px;background:#b88494;transition:width .3s;
}
.nav-links a:hover{color:#b88494}
.nav-links a:hover::after{width:100%}
.nav-icons{display:flex;align-items:center;gap:14px}
.nav-icon-btn{background:none;border:none;cursor:pointer;padding:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:inherit;line-height:0}
.nav-icon-btn:hover svg{color:#b88494}
.nav-icons svg{width:20px;height:20px;cursor:pointer;transition:color .3s;color:#444}
.nav-icons svg:hover{color:#b88494}
.nav-icons .cart-wrap{position:relative;display:flex;align-items:center;justify-content:center;width:20px;height:20px}
.nav-icons .cart-count{
  position:absolute;top:-6px;right:-6px;
  width:16px;height:16px;border-radius:50%;
  background:#b88494;color:#fff;
  font-size:9px;font-weight:600;
  display:flex;align-items:center;justify-content:center;
}
.hamburger{
  display:none;flex-direction:column;gap:4px;
  cursor:pointer;background:none;border:none;padding:4px;
}
.hamburger span{width:22px;height:2px;background:#1a1a1a;display:block;transition:.3s}
.mobile-menu{
  display:none;position:fixed;inset:0;
  background:rgba(252,250,248,.98);z-index:200;
  flex-direction:column;align-items:center;justify-content:center;
  gap:24px;opacity:0;transform:translateY(-16px);
  transition:opacity .35s,transform .35s;
}
.mobile-menu.open{display:flex;opacity:1;transform:translateY(0)}
.mobile-menu a{font-size:20px;font-weight:500;font-family:'Playfair Display',serif;color:#333}
.mobile-menu a:hover{color:#b88494}
.mobile-close{
  position:absolute;top:20px;right:24px;
  background:none;border:none;font-size:36px;cursor:pointer;color:#1a1a1a;
}

/* ===== BREADCRUMB ===== */
.breadcrumb{
  padding:14px 0;
  border-bottom:1px solid rgba(0,0,0,.05);
}
.breadcrumb nav{
  display:flex;align-items:center;gap:8px;
  font-size:11px;font-weight:500;letter-spacing:.3px;
  text-transform:uppercase;color:#999;
}
.breadcrumb a{transition:color .3s}
.breadcrumb a:hover{color:#b88494}
.breadcrumb-sep{color:#ddd}
.breadcrumb-current{color:#1a1a1a}

/* ===== PRODUCT SECTION ===== */
.product-section{padding:48px 0 80px}
.product-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;
}
@media(max-width:960px){.product-grid{grid-template-columns:1fr;gap:40px}}

/* ===== GALLERY ===== */
.gallery{position:relative}
@media(min-width:961px){.gallery{position:sticky;top:86px}}
.gallery-main{
  aspect-ratio:1/1;overflow:hidden;
  background:#f2e8ea;margin-bottom:10px;position:relative;
}
.gallery-main img{
  position:absolute;inset:0;
  opacity:0;transition:opacity .55s ease,transform .55s ease;
  transform:scale(1.04);width:100%;height:100%;object-fit:cover;
}
.gallery-main img.active{opacity:1;transform:scale(1)}
.gallery-main:hover img.active{transform:scale(1.05)}
.gallery-zoom-hint{
  position:absolute;bottom:14px;right:14px;
  background:rgba(252,250,248,.82);backdrop-filter:blur(8px);
  border:1px solid rgba(0,0,0,.05);
  font-size:9px;font-weight:600;letter-spacing:1.5px;
  text-transform:uppercase;padding:6px 12px;pointer-events:none;
}
.gallery-thumbs{
  display:grid;grid-template-columns:repeat(5,1fr);gap:8px;
}
.gallery-thumb{
  aspect-ratio:1/1;overflow:hidden;
  background:#f2e8ea;cursor:pointer;
  border:2px solid transparent;transition:border-color .3s;
}
.gallery-thumb.active{border-color:#1a1a1a}
.gallery-thumb img{transition:transform .4s ease;width:100%;height:100%;object-fit:cover}
.gallery-thumb:hover img{transform:scale(1.08)}

/* ===== PRODUCT INFO ===== */
.product-info{padding-top:4px}
.product-tags{
  display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap;
}
.product-tag{
  font-size:10px;font-weight:500;letter-spacing:1.5px;
  text-transform:uppercase;padding:4px 10px;
  border:1px solid rgba(0,0,0,.08);color:#999;
}
.product-name{
  font-family:'Playfair Display',serif;
  font-size:clamp(28px,4vw,44px);font-weight:600;
  line-height:1.1;letter-spacing:-.5px;margin-bottom:6px;
}
.product-name em{font-style:italic;color:#b88494}
.product-style-sub{
  font-size:10px;font-weight:500;letter-spacing:2px;
  text-transform:uppercase;color:#999;margin-bottom:20px;
}
.product-stars{
  display:flex;align-items:center;gap:10px;margin-bottom:22px;
}
.stars-row{display:flex;gap:3px}
.star-svg{width:14px;height:14px;fill:#f0a83b}
.star-count{font-size:12px;color:#999}
.product-price-row{
  display:flex;align-items:baseline;gap:12px;margin-bottom:6px;
}
.price-current{
  font-family:'Playfair Display',serif;
  font-size:32px;font-weight:600;color:#b88494;
}
.price-original{
  font-size:15px;color:#bbb;text-decoration:line-through;
}
.price-note{font-size:12px;color:#999;margin-bottom:28px}

/* ===== DIVIDER ===== */
.divider{height:1px;background:rgba(0,0,0,.05);margin:24px 0}

/* ===== OPTIONS ===== */
.option-heading{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;
}
.option-label{
  font-size:11px;font-weight:600;letter-spacing:2px;
  text-transform:uppercase;color:#999;
}
.option-selected{font-size:13px;font-weight:500;color:#1a1a1a}
.curl-options{display:flex;gap:8px;margin-bottom:24px;flex-wrap:wrap}
.curl-btn{
  min-width:56px;height:44px;padding:0 16px;
  border:1px solid rgba(0,0,0,.08);
  font-size:11px;font-weight:500;letter-spacing:.5px;
  text-transform:uppercase;color:#999;
  transition:all .3s;
}
.curl-btn:hover{border-color:#1a1a1a;color:#1a1a1a}
.curl-btn.active{border-color:#1a1a1a;background:#1a1a1a;color:#fff}

/* ===== QUANTITY ===== */
.quantity-row{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.qty-control{display:flex;align-items:center;border:1px solid rgba(0,0,0,.08)}
.qty-btn{
  width:44px;height:44px;display:flex;align-items:center;
  justify-content:center;font-size:18px;color:#1a1a1a;
  transition:background .25s;
}
.qty-btn:hover{background:#f2e8ea}
.qty-display{
  width:48px;height:44px;display:flex;align-items:center;
  justify-content:center;font-size:14px;font-weight:500;
  border-left:1px solid rgba(0,0,0,.08);border-right:1px solid rgba(0,0,0,.08);
}
.qty-note{font-size:12px;color:#999}

/* ===== STOCK ===== */
.stock-row{display:flex;align-items:center;gap:8px;margin-bottom:20px}
.stock-dot{width:7px;height:7px;border-radius:50%;background:#4A7C5F;animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.4}}
.stock-text{font-size:10px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:#4A7C5F}

/* ===== CTA ===== */
.cta-stack{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
.btn-atc{
  width:100%;height:54px;background:#1a1a1a;color:#fff;
  font-size:11px;font-weight:600;letter-spacing:1.5px;
  text-transform:uppercase;border:1px solid #1a1a1a;
  display:flex;align-items:center;justify-content:center;gap:10px;
  transition:all .3s;position:relative;overflow:hidden;
  font-family:'Inter',sans-serif;
}
.btn-atc:hover{background:#b88494;border-color:#b88494;transform:translateY(-2px)}
.btn-atc svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}
.btn-buy{
  width:100%;height:54px;background:transparent;color:#1a1a1a;
  font-size:11px;font-weight:600;letter-spacing:1.5px;
  text-transform:uppercase;border:1px solid rgba(0,0,0,.08);
  display:flex;align-items:center;justify-content:center;gap:10px;
  cursor:pointer;text-decoration:none;transition:all .3s;
  font-family:'Inter',sans-serif;
}
.btn-buy:hover{border-color:#1a1a1a;background:rgba(0,0,0,.03)}

/* ===== TRUST ROW ===== */
.trust-row{
  display:flex;gap:20px;flex-wrap:wrap;
  padding:16px 0;border-top:1px solid rgba(0,0,0,.05);
  border-bottom:1px solid rgba(0,0,0,.05);margin-bottom:24px;
}
.trust-item{
  display:flex;align-items:center;gap:8px;
  font-size:11px;font-weight:500;letter-spacing:.5px;
  text-transform:uppercase;color:#999;
}
.trust-item svg{width:14px;height:14px;fill:none;stroke:#b88494;stroke-width:2;flex-shrink:0}

/* ===== ACTION ROW ===== */
.action-row{display:flex;gap:16px;margin-bottom:28px}
.action-btn{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;font-weight:500;letter-spacing:.5px;
  text-transform:uppercase;color:#999;transition:color .3s;
}
.action-btn:hover{color:#1a1a1a}
.action-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}
.action-btn.wished svg{fill:#b88494;stroke:#b88494}

/* ===== ACCORDION ===== */
.accordion{border-top:1px solid rgba(0,0,0,.05)}
.accordion-item{border-bottom:1px solid rgba(0,0,0,.05)}
.accordion-trigger{
  width:100%;display:flex;align-items:center;
  justify-content:space-between;padding:18px 0;
  font-size:11px;font-weight:600;letter-spacing:2px;
  text-transform:uppercase;color:#1a1a1a;text-align:left;
  transition:color .3s;background:none;border:none;
}
.accordion-trigger:hover{color:#b88494}
.accordion-icon{
  width:16px;height:16px;position:relative;flex-shrink:0;
}
.accordion-icon::before,.accordion-icon::after{
  content:'';position:absolute;background:currentColor;
  transition:transform .35s ease,opacity .35s;
}
.accordion-icon::before{width:10px;height:1.5px;top:50%;left:50%;transform:translate(-50%,-50%)}
.accordion-icon::after{width:1.5px;height:10px;top:50%;left:50%;transform:translate(-50%,-50%)}
.accordion-item.open .accordion-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.accordion-body{max-height:0;overflow:hidden;transition:max-height .45s ease}
.accordion-body-inner{padding-bottom:20px}
.accordion-body-inner p,.accordion-body-inner li{font-size:14px;color:#777;line-height:1.75}
.accordion-body-inner ul{padding-left:0}
.accordion-body-inner li{padding-left:16px;position:relative;margin-bottom:4px}
.accordion-body-inner li::before{content:'\2014';position:absolute;left:0;color:#b88494;font-size:12px}

/* ===== SPEC GRID ===== */
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.spec-key{font-size:10px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:#b88494;margin-bottom:2px}
.spec-val{font-size:14px;color:#555}

/* ===== SECRET PRODUCT SECTION ===== */
.secret-product-section{margin-top:48px;padding-top:32px;border-top:2px dashed rgba(0,0,0,.05)}
.secret-product-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11px;font-weight:600;letter-spacing:1.5px;
  text-transform:uppercase;color:#b88494;margin-bottom:20px;
}
.secret-product-label svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2}
.secret-product-body{
  background:linear-gradient(135deg,rgba(184,132,148,.06),rgba(184,132,148,.02));
  border:1px solid rgba(0,0,0,.05);padding:28px 32px;position:relative;
}
.secret-lock-overlay{
  position:absolute;inset:0;
  background:rgba(252,250,248,.88);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;z-index:5;
}
.secret-lock-inner{text-align:center}
.secret-lock-inner svg{width:28px;height:28px;stroke:#b88494;fill:none;stroke-width:1.5;margin-bottom:10px}
.secret-lock-inner p{font-size:11px;font-weight:500;letter-spacing:1px;text-transform:uppercase;color:#999;margin-bottom:14px}
.secret-lock-inner a{font-size:11px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:#1a1a1a;border-bottom:1px solid #1a1a1a;padding-bottom:2px}

/* ===== RELATED PRODUCTS ===== */
.related-products{padding:76px 0;background:#f5f2f0}
.related-header{margin-bottom:44px}
.related-header .label{text-align:center}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:960px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.related-grid{grid-template-columns:repeat(2,1fr);gap:12px}}
.rp-card{cursor:pointer}
.rp-img-wrap{
  aspect-ratio:1/1;overflow:hidden;background:#f2e8ea;margin-bottom:14px;
}
.rp-img-wrap img{transition:transform .7s ease;width:100%;height:100%;object-fit:cover}
.rp-card:hover .rp-img-wrap img{transform:scale(1.06)}
.rp-sub{font-size:10px;font-weight:500;letter-spacing:1.5px;text-transform:uppercase;color:#b88494;margin-bottom:5px}
.rp-name{font-family:'Playfair Display',serif;font-size:16px;font-weight:600;margin-bottom:6px;transition:color .3s}
.rp-card:hover .rp-name{color:#b88494}
.rp-price{font-size:15px;font-weight:600;color:#b88494}

/* ===== FOOTER ===== */
.footer{background:#1a1a1a;color:rgba(255,255,255,.65);padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer-brand .logo{color:#fff;margin-bottom:12px;display:inline-block}
.footer-brand p{font-size:13px;line-height:1.7;max-width:280px}
.footer h4{color:#fff;font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;margin-bottom:16px}
.footer ul li{margin-bottom:8px}
.footer ul li a{font-size:13px;transition:color .3s}
.footer ul li a:hover{color:#b88494}
.footer .social-row{display:flex;gap:10px;margin-top:16px}
.footer .social-row a{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;transition:all .3s;color:rgba(255,255,255,.5);
}
.footer .social-row a:hover{border-color:#b88494;background:#b88494;color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);
  margin-top:36px;padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;
  font-size:12px;flex-wrap:wrap;gap:10px;
}

/* ===== BACK TO TOP ===== */
.btt{
  position:fixed;bottom:28px;right:28px;
  width:42px;height:42px;border-radius:50%;
  background:#1a1a1a;color:#fff;border:none;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:17px;opacity:0;transform:translateY(16px);
  transition:all .3s;z-index:50;box-shadow:0 4px 16px rgba(0,0,0,.12);
}
.btt.visible{opacity:1;transform:translateY(0)}
.btt:hover{background:#b88494}

/* ===== CART TOAST ===== */
.cart-toast{
  position:fixed;bottom:80px;right:28px;
  background:#1a1a1a;color:#fff;padding:12px 20px;
  border-radius:8px;font-size:13px;font-weight:500;
  box-shadow:0 6px 24px rgba(0,0,0,.18);
  opacity:0;transform:translateY(10px);
  transition:all .3s;z-index:60;pointer-events:none;
}
.cart-toast.show{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:768px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .product-section{padding:32px 0 48px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .header-inner{padding:14px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
}