:root{
  --ivory:#faf6ef;
  --ivory-2:#f2eade;
  --rose-gold:#c98a6b;
  --black:#1c1815;
  --text-dim:#8a7d70;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--black);font-family:'Readex Pro',Tahoma,sans-serif;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,.brand__mark{font-family:'Amiri',serif}
.eyebrow{color:var(--rose-gold);font-weight:700;font-size:13px;letter-spacing:.5px}

.back-pill{position:fixed;inset-block-start:16px;inset-inline-start:16px;z-index:300;background:rgba(255,255,255,.9);color:var(--black);padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;border:1px solid var(--rose-gold)}

/* ---- Panel dot nav (archetype I) ---- */
.panel-nav{position:fixed;inset-block-start:50%;inset-inline-end:24px;transform:translateY(-50%);z-index:300;display:flex;flex-direction:column;gap:12px}
.panel-dot{width:10px;height:10px;border-radius:50%;background:rgba(28,24,21,.25);padding:0}
.panel-dot.is-active{background:var(--rose-gold);transform:scale(1.3)}

/* ---- Panels ---- */
.panels{scroll-snap-type:y mandatory;overflow-y:auto;height:100vh}
.panel{scroll-snap-align:start;min-height:100vh;position:relative;display:flex;align-items:center;justify-content:center;padding:60px 24px}
.panel__inner{max-width:900px;width:100%;margin:0 auto;text-align:center}
.panel__inner--wide{max-width:1120px}
.panel__title{font-size:clamp(30px,5vw,52px);margin:14px 0 16px;line-height:1.25}
.panel__title--sm{font-size:clamp(24px,4vw,34px)}
.panel__title span{color:var(--rose-gold)}
.panel__lead{color:var(--text-dim);font-size:16px;max-width:520px;margin:0 auto 26px;line-height:1.8}
.btn{display:inline-block;padding:14px 32px;font-weight:700;font-size:14px;border-radius:4px}
.btn--filled{background:var(--black);color:var(--ivory)}
.btn--block{width:100%;text-align:center}

/* ---- Hero ---- */
.panel--hero{padding:0}
.panel__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.panel__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,24,21,.35),rgba(28,24,21,.8))}
.panel--hero .panel__content{position:relative;z-index:2;max-width:640px;padding:0 24px;color:var(--ivory)}
.brand__mark{display:inline-block;font-size:22px;letter-spacing:1px;color:var(--rose-gold);margin-block-end:18px}

/* ---- Catalog ---- */
.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:start}
.product-card{background:#fff;border-radius:12px;overflow:hidden;border:1px solid rgba(28,24,21,.08);position:relative}
.product-card img{width:100%;aspect-ratio:1/1;object-fit:cover}
.wishlist-btn{position:absolute;inset-block-start:10px;inset-inline-end:10px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.9);font-size:15px;display:flex;align-items:center;justify-content:center}
.wishlist-btn.is-active{color:#c0392b}
.product-card__body{padding:14px}
.product-card__karat{display:inline-block;background:var(--ivory-2);color:var(--rose-gold);font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:999px;margin-block-end:6px}
.product-card__name{font-weight:700;font-size:14px;margin:0 0 4px;color:var(--black)}
.product-card__price{font-weight:800;color:var(--rose-gold);font-size:16px;margin:0 0 10px}
.product-card__add{width:100%;background:var(--black);color:var(--ivory);padding:9px;border-radius:4px;font-size:12.5px;font-weight:700}
.product-card__add.is-added{background:var(--rose-gold)}

/* ---- Trust ---- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:start}
.trust-card{background:#fff;border-radius:12px;padding:22px;border:1px solid rgba(28,24,21,.08)}
.trust-card__icon{font-size:24px;margin-bottom:10px}
.trust-card strong{display:block;font-size:14.5px;margin-bottom:6px}
.trust-card p{margin:0;font-size:12.5px;color:var(--text-dim);line-height:1.7}

/* ---- Cart / checkout ---- */
.cart-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;text-align:start;align-items:start}
.cart-list{display:flex;flex-direction:column;gap:12px;text-align:start;margin-block-end:16px}
.cart-empty{color:var(--text-dim);font-size:14px}
.cart-empty a{color:var(--rose-gold);font-weight:700}
.cart-item{display:flex;gap:12px;align-items:center;background:#fff;border-radius:10px;padding:10px;border:1px solid rgba(28,24,21,.08)}
.cart-item img{width:56px;height:56px;border-radius:8px;object-fit:cover}
.cart-item__name{font-weight:700;font-size:13.5px;margin:0 0 2px}
.cart-item__price{color:var(--rose-gold);font-weight:700;font-size:13px;margin:0}
.cart-item__remove{margin-inline-start:auto;color:#b4271f;font-size:12px;font-weight:700}
.checkout-form{background:#fff;border-radius:14px;padding:24px;border:1px solid rgba(28,24,21,.08);display:flex;flex-direction:column;gap:12px}
.checkout-form input,.checkout-form select{padding:13px 15px;border-radius:8px;border:1.5px solid #e6ddd0;font-family:inherit;font-size:14px}
.checkout-form button:disabled{opacity:.5;cursor:not-allowed}
.cart-total{font-size:20px;font-weight:800;color:var(--black);margin:0 0 14px}
.checkout-success{display:none;text-align:center;max-width:420px;margin:0 auto}
.checkout-success.is-visible{display:block}
.checkout-success__icon{width:54px;height:54px;border-radius:50%;background:var(--rose-gold);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 16px}
.checkout-success p{color:var(--text-dim);font-size:14px;line-height:1.7}
.checkout-success strong{color:var(--black);font-size:18px}
.checkout-success .btn{margin-block-start:14px}

/* ---- Collections link (index) ---- */
.collections-link{display:inline-block;margin-block-start:22px;font-weight:700;font-size:13.5px;color:var(--rose-gold)}

/* ---- Static page shell (product-detail / collections / checkout) ---- */
.page-main{max-width:1120px;margin:0 auto;padding:100px 24px 60px}
.page-main--narrow{max-width:760px}
.breadcrumb{font-size:12.5px;color:var(--text-dim);margin:0 0 22px}
.breadcrumb a{color:var(--rose-gold);font-weight:700}

/* ---- Product detail ---- */
.pd-layout{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.pd-gallery{position:relative;border-radius:14px;overflow:hidden;background:#fff;border:1px solid rgba(28,24,21,.08)}
.pd-gallery img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .35s ease;cursor:zoom-in}
.pd-gallery img.is-zoomed{transform:scale(1.6);cursor:zoom-out}
.pd-zoom-toggle{position:absolute;inset-block-end:14px;inset-inline-end:14px;background:rgba(255,255,255,.92);padding:8px 14px;border-radius:999px;font-size:12px;font-weight:700}
.pd-info__karat{display:inline-block;background:var(--ivory-2);color:var(--rose-gold);font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;margin-block-end:10px}
.pd-info h1{font-size:clamp(24px,3vw,32px);margin:0 0 10px}
.pd-info__price{font-size:26px;font-weight:800;color:var(--rose-gold);margin:0 0 18px}
.pd-specs{display:flex;gap:22px;margin:0 0 18px;padding:16px 0;border-block:1px solid rgba(28,24,21,.08)}
.pd-specs div{text-align:center;flex:1}
.pd-specs span{display:block;font-size:11px;color:var(--text-dim);margin-block-end:4px}
.pd-specs strong{font-size:14.5px}
.pd-desc{color:var(--text-dim);font-size:14.5px;line-height:1.9;margin:0 0 22px}
.pd-cert{display:flex;gap:10px;align-items:flex-start;background:var(--ivory-2);border-radius:10px;padding:14px;font-size:12.5px;color:var(--black);margin:0 0 24px;line-height:1.8}
.pd-add.is-added{background:var(--rose-gold)}
.pd-related{margin-block-start:60px}
.pd-related h2{font-size:20px;margin:0 0 18px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{background:#fff;border-radius:10px;overflow:hidden;border:1px solid rgba(28,24,21,.08);display:block}
.rel-card img{width:100%;aspect-ratio:1/1;object-fit:cover}
.rel-card p{font-size:13px;font-weight:700;margin:10px 10px 2px;color:var(--black)}
.rel-card span{display:block;font-size:12px;color:var(--rose-gold);font-weight:700;margin:0 10px 10px}

/* ---- Collections page ---- */
.collection-block{margin-block-end:56px}
.collection-block__head{text-align:center;margin-block-end:24px}
.collection-block__head h2{font-family:'Amiri',serif;font-size:clamp(22px,3vw,30px);margin:0 0 8px}
.collection-block__head p{color:var(--text-dim);font-size:13.5px;margin:0}

/* ---- Cart FAB (hidden until first item) ---- */
.cart-fab{display:none;position:fixed;inset-block-end:24px;inset-inline-end:24px;width:56px;height:56px;border-radius:50%;background:var(--black);color:var(--ivory);align-items:center;justify-content:center;font-size:20px;box-shadow:0 6px 18px rgba(0,0,0,.3);z-index:250}
.cart-fab.is-visible{display:flex}
.cart-fab__badge{position:absolute;inset-block-start:-4px;inset-inline-start:-4px;background:var(--rose-gold);color:#fff;font-size:11px;font-weight:700;width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.cart-fab.is-bump{animation:bump .35s ease}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.25)}100%{transform:scale(1)}}

/* ---- WhatsApp FAB ---- */
.wa-fab{position:fixed;inset-block-end:24px;inset-inline-start:24px;width:50px;height:50px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:200}

/* ---- Footer (own scroll-snap section) ---- */
.site-footer{background:var(--black);padding:44px 24px 24px;color:#d8cfc4;scroll-snap-align:start}
.footer-grid{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.footer-grid h4{color:var(--rose-gold);font-size:14px;margin:0 0 10px}
.footer-grid p{color:#b0a496;font-size:13px;line-height:1.8;margin:0 0 6px}
.tax-line{opacity:.75;font-size:11.5px}
.footer-bottom{text-align:center;color:#7d7266;font-size:12px;margin-block-start:26px;padding-block-start:20px;border-block-start:1px solid rgba(255,255,255,.1)}

/* ---- Responsive ---- */
@media (max-width:1024px){
  .catalog-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:1fr}
  .cart-layout{grid-template-columns:1fr}
  .pd-layout{grid-template-columns:1fr}
}
@media (max-width:768px){
  .panel{padding:40px 18px}
  .panel-nav{inset-inline-end:10px}
  .footer-grid{grid-template-columns:1fr;text-align:center}
  .page-main{padding:90px 18px 50px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .pd-specs{flex-wrap:wrap}
}
@media (max-width:480px){
  .catalog-grid{grid-template-columns:1fr 1fr;gap:12px}
  .panel__title{font-size:26px}
}