:root{
  --paper:#FFFFFF; --mist:#EEF1F4; --ink:#1C2433; --steel:#5B6778; --line:#D9DEE4;
  --champ:#8C6D3B; --wa:#1E8C57;
  --serif:"Gilda Display", "Didot", "Bodoni 72", Georgia, serif;
  --sans:"Jost", "Futura", "Avenir Next", system-ui, sans-serif;
  --pad:clamp(20px, 5vw, 64px);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:300 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;margin:0;letter-spacing:-.005em}
h2{font-size:clamp(30px, 4.6vw, 48px)}
p{margin:0}
:focus-visible{outline:2px solid var(--champ);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 28px;
  background:var(--ink);color:#fff;border:1px solid var(--ink);border-radius:2px;text-decoration:none;
  font:500 13px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:background .2s,color .2s}
.btn:hover{background:#2c3850}
.btn svg{width:18px;height:18px;flex:none}
.btn--sm{min-height:40px;padding:0 18px;font-size:12px}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--line{background:transparent;color:var(--ink);padding:0;min-height:44px;border:0;border-bottom:1px solid var(--ink);border-radius:0}
.btn--line:hover{background:transparent;color:var(--champ);border-color:var(--champ)}
.btn--light{background:#fff;color:var(--ink);border-color:#fff}
.btn--light:hover{background:var(--mist)}
.btn--wa{background:var(--wa);border-color:var(--wa)}
.btn--wa:hover{background:#177347}
.btn--block{width:100%}
.btn--lg{min-height:60px;padding:0 36px;font-size:14px}

/* Header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid transparent;transition:border-color .2s;padding-top:env(safe-area-inset-top,0px)}
.hdr.is-scrolled{border-color:var(--line)}
.hdr__in{max-width:var(--max);margin:0 auto;padding:0 var(--pad);height:64px;display:flex;align-items:center;gap:24px}
.hdr__logo img{width:118px;height:auto}
.hdr__nav{display:flex;gap:28px;margin-left:auto}
.hdr__nav a{text-decoration:none;font-size:14px;font-weight:400;color:var(--steel);padding:6px 0}
.hdr__nav a:hover{color:var(--ink)}
.hdr__burger{display:none}
@media (max-width:899px){
  .hdr__in{gap:12px}
  .hdr__cta{margin-left:auto}
  .hdr__burger{display:flex;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;background:none;border:0;padding:10px;cursor:pointer}
  .hdr__burger span{display:block;height:1px;background:var(--ink);transition:transform .2s}
  .hdr__burger[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
  .hdr__burger[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
  .hdr__nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px var(--pad) 20px;display:none}
  .hdr__nav.is-open{display:flex}
  .hdr__nav a{font-size:18px;padding:14px 0;border-bottom:1px solid var(--mist);color:var(--ink)}
}

/* Hero — banner a todo lo ancho sobre fotografía de diamantes (negro + dorado) */
.hero{--night:#050505;--ivory:#F3F1EC;--gold:#C9AE7C;position:relative;display:grid;background:var(--night);color:var(--ivory);overflow:hidden;isolation:isolate}
.hero__media{position:relative;overflow:hidden;background:var(--night)}
.hero__media picture,.hero__media img{display:block;width:100%}
.hero__media img{aspect-ratio:900/549;object-fit:cover;object-position:60% 50%;animation:heroIn 1.6s cubic-bezier(.2,.7,.2,1) both}
.hero__media::after{content:"";position:absolute;inset:auto 0 0 0;height:45%;background:linear-gradient(180deg,rgba(5,5,5,0),var(--night));pointer-events:none}
@keyframes heroIn{from{transform:scale(1.045);opacity:.001}to{transform:none;opacity:1}}
.hero__text{position:relative;z-index:1;padding:4px var(--pad) 44px;margin-top:-48px}
.hero__kicker{font-size:14px;color:var(--gold);font-weight:400;letter-spacing:.04em;margin-bottom:14px;display:flex;align-items:center;gap:12px}
.hero__kicker::before{content:"";width:28px;height:1px;background:var(--gold);flex:none}
.hero h1{font-size:clamp(36px, 8.6vw, 76px);line-height:1.02;max-width:13ch;color:#fff}
.hero__lead{margin-top:16px;font-size:16px;color:rgba(243,241,236,.8);max-width:44ch}
.hero__ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero__ctas .btn{flex:1 1 180px}
.hero .btn{background:#fff;color:#0B0B0B;border-color:#fff}
.hero .btn:hover{background:var(--gold);border-color:var(--gold);color:#0B0B0B}
.hero .btn--ghost{background:rgba(5,5,5,.35);color:#fff;border-color:var(--gold);backdrop-filter:blur(2px)}
.hero .btn--ghost:hover{background:var(--gold);color:#0B0B0B;border-color:var(--gold)}
.hero__note{display:flex;align-items:center;gap:8px;margin-top:20px;font-size:14px;color:rgba(243,241,236,.72)}
.hero__note svg{width:16px;height:16px;color:#4ADE80}
@media (min-width:900px){
  .hero{display:flex;align-items:center;aspect-ratio:2043/770;min-height:600px;max-height:820px}
  .hero__media{position:absolute;inset:0;z-index:-1}
  .hero__media picture,.hero__media img{height:100%}
  .hero__media img{aspect-ratio:auto;object-position:20% 50%}
  .hero__media::after{inset:0;width:auto;height:auto;background:linear-gradient(90deg,rgba(5,5,5,.75) 0%,rgba(5,5,5,.45) 30%,rgba(5,5,5,0) 50%)}
  .hero__text{margin:0;padding:72px var(--pad);max-width:calc(620px + var(--pad))}
  .hero__lead{font-size:18px}
  .hero__ctas .btn{flex:0 0 auto}
}
@media (min-width:900px){.hero__text{margin-left:max(0px,calc((100vw - var(--max)) / 2))}.hero h1{font-size:clamp(44px,5.2vw,76px)}}

/* Lab grown */
.lab{max-width:var(--max);margin:0 auto;padding:clamp(64px,10vw,128px) var(--pad);display:grid;gap:40px;align-items:center}
.lab__img{background:var(--mist)}
.lab__img > img{width:100%;aspect-ratio:1/1;object-fit:cover;mix-blend-mode:multiply}
.lab__text h2{max-width:14ch}
.lab__text>p{margin-top:20px;color:var(--steel);max-width:52ch;font-size:18px;line-height:1.7}
.lab__facts{margin:32px 0 36px;padding:0}
.lab__facts div{padding:16px 0;border-top:1px solid var(--line);display:grid;gap:4px}
.lab__facts div:last-child{border-bottom:1px solid var(--line)}
.lab__facts dt{font-weight:500;font-size:15px}
.lab__facts dd{margin:0;color:var(--steel);font-size:15px}
@media (min-width:900px){.lab{grid-template-columns:5fr 6fr;gap:88px}.lab__facts div{grid-template-columns:150px 1fr;gap:24px}}

/* Catalog */
.cat{padding:clamp(56px,8vw,112px) 0;border-top:1px solid var(--line)}
.cat__head{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.cat__head h2{max-width:16ch}
.cat__head p{margin-top:16px;color:var(--steel);max-width:56ch}
.rail{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:32px auto 0;max-width:var(--max);padding:0 var(--pad) 4px}
.rail::-webkit-scrollbar{display:none}
.rail__btn{flex:none;min-height:40px;padding:0 16px;border:1px solid var(--line);background:#fff;border-radius:2px;font:400 14px/1 var(--sans);color:var(--steel);cursor:pointer;white-space:nowrap}
.rail__btn:hover{border-color:var(--ink);color:var(--ink)}
.rail__btn.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.rings{list-style:none;margin:28px 0 0;padding:0 var(--pad) 8px;display:grid;grid-auto-flow:column;grid-auto-columns:78%;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:0 var(--pad);scrollbar-width:thin}
.ring{scroll-snap-align:start;display:flex;flex-direction:column}
.ring[hidden]{display:none}
.ring__media{margin:0;background:var(--mist)}
.ring__media img{width:100%;aspect-ratio:1/1;object-fit:cover;mix-blend-mode:multiply}
.ring__info{padding:16px 0 14px;flex:1}
.ring__title{font-size:21px}
.ring__sub{font-size:14px;color:var(--steel);margin-top:4px}
.ring__price{margin-top:10px;font-size:17px;font-weight:400}
.ring__price span{font-size:12px;color:var(--steel);letter-spacing:.06em}
.ring__cta{width:100%;min-height:48px;background:transparent;border:1px solid var(--ink);border-radius:2px;color:var(--ink);font:500 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;transition:background .2s,color .2s}
.ring__cta:hover{background:var(--ink);color:#fff}
.cat__note{max-width:var(--max);margin:24px auto 0;padding:0 var(--pad);font-size:13px;color:var(--steel)}
.cat__empty{padding:32px 0;color:var(--steel)}
@media (min-width:700px){
  .rings{grid-auto-flow:row;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible;max-width:var(--max);margin-left:auto;margin-right:auto;gap:48px 28px}
}
@media (min-width:1100px){.rings{grid-template-columns:repeat(4,minmax(0,1fr))}}

/* Quote */
.quote{background:var(--mist);padding:clamp(56px,9vw,120px) var(--pad);display:grid;gap:36px}
.quote__intro,.form{width:100%;max-width:620px;margin:0 auto}
.quote__intro p{margin-top:16px;color:var(--steel)}
.picked{display:flex;gap:16px;align-items:center;margin-top:28px;padding:12px;background:#fff;border:1px solid var(--line)}
.picked img{width:80px;height:80px;object-fit:cover;background:var(--mist);flex:none}
.picked__label{font-size:12px;color:var(--steel)}
.picked__name{font-family:var(--serif);font-size:18px;line-height:1.25;margin-top:2px}
.picked__clear{margin-top:6px;background:none;border:0;padding:0;font:400 13px var(--sans);color:var(--steel);text-decoration:underline;cursor:pointer}
.form{background:#fff;padding:clamp(22px,4vw,44px)}
.field{border:0;margin:0 0 26px;padding:0;min-width:0}
.field>label,.field legend,.field__sub label{display:block;font-weight:500;font-size:15px;margin-bottom:10px;padding:0}
.opt{font-weight:300;color:var(--steel)}
input[type=text],textarea,select{width:100%;font:400 16px/1.4 var(--sans);color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:2px;padding:14px;min-height:52px;appearance:none}
input[type=text]:focus,textarea:focus,select:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 1px var(--ink)}
textarea{resize:vertical;min-height:96px}
.select{position:relative}
.select::after{content:"";position:absolute;right:18px;top:50%;width:8px;height:8px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.select select{padding-right:44px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips--stack{display:grid;grid-template-columns:1fr}
@media (min-width:520px){.chips--stack{grid-template-columns:1fr 1fr}}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.chip span{display:flex;align-items:center;min-height:46px;padding:10px 16px;border:1px solid var(--line);border-radius:2px;font-size:15px;font-weight:400;transition:border-color .15s,background .15s}
.chip:hover span{border-color:var(--steel)}
.chip input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.chip input:focus-visible+span{outline:2px solid var(--champ);outline-offset:2px}
.field__sub{margin-top:14px;max-width:200px}
.field__err{margin-top:8px;font-size:14px;color:#A12B2B}
.field.is-invalid input[type=text]{border-color:#A12B2B}
.field.is-invalid .chip span{border-color:#E3B7B7}
.form__fine{margin-top:12px;font-size:13px;color:var(--steel);text-align:center}
@media (min-width:1000px){
  .quote{grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:72px;align-items:start}
  .quote__intro{position:sticky;top:100px;margin-right:0}
  .form{margin-left:0}
}

/* Why */
.why{max-width:var(--max);margin:0 auto;padding:clamp(64px,10vw,128px) var(--pad);display:grid;gap:44px}
.why__year{font-family:var(--serif);font-size:clamp(88px,18vw,188px);line-height:.85;color:var(--mist);-webkit-text-stroke:1px var(--line);margin-bottom:12px;user-select:none}
.why__mark>p:not(.why__year){margin-top:14px;color:var(--steel);max-width:36ch}
.why__awards{display:flex;gap:12px;margin-top:28px}
.why__awards img{width:72px;height:72px;object-fit:contain}
.why__list{list-style:none;margin:0;padding:0}
.why__list li{padding:22px 0;border-top:1px solid var(--line)}
.why__list li:last-child{border-bottom:1px solid var(--line)}
.why__list h3{font-size:22px}
.why__list p{margin-top:6px;color:var(--steel);font-size:16px}
@media (min-width:900px){.why{grid-template-columns:5fr 6fr;gap:96px;align-items:start}}

/* Moment — banner editorial (rediseño) */
.moment{--night:#121A27;display:grid;background:var(--night);color:#fff}
.moment__media{position:relative;margin:0;overflow:hidden;min-height:min(62svh,520px)}
.moment__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:52% 50%}
.moment__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,26,39,0) 55%,rgba(18,26,39,.55))}
.moment__credit{position:absolute;right:12px;bottom:10px;z-index:1;font-size:11px;letter-spacing:.02em;color:rgba(255,255,255,.62)}
.moment__text{padding:clamp(44px,8vw,96px) var(--pad);max-width:640px}
.moment h2{font-size:clamp(30px,4.4vw,52px)}
.moment__text>p{margin:18px 0 30px;font-size:18px;color:rgba(243,241,236,.8);max-width:46ch}
.moment__detail{display:flex;align-items:center;gap:16px;margin:44px 0 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.moment__detail img{width:96px;height:96px;object-fit:cover;flex:none;background:#1a2333}
.moment__detail figcaption{font-size:14px;line-height:1.5;color:rgba(243,241,236,.72)}
@media (min-width:900px){
  .moment{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);min-height:min(88vh,760px)}
  .moment__media{min-height:0}
  .moment__media::after{background:linear-gradient(90deg,rgba(18,26,39,0) 70%,rgba(18,26,39,.6))}
  .moment__text{align-self:center}
  .moment__detail img{width:132px;height:132px}
}

/* FAQ */
.faq{max-width:900px;margin:0 auto;padding:clamp(64px,10vw,120px) var(--pad)}
.faq__list{margin-top:32px;border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary h3{font-size:clamp(19px,2.4vw,23px)}
.faq__item summary::after{content:"";flex:none;width:14px;height:14px;background:linear-gradient(var(--ink),var(--ink)) center/14px 1px no-repeat,linear-gradient(var(--ink),var(--ink)) center/1px 14px no-repeat;transition:transform .25s}
.faq__item[open] summary::after{transform:rotate(45deg)}
.faq__a{padding:0 0 24px;color:var(--steel);max-width:68ch}
.faq__a a{color:var(--ink)}

/* Final */
.final{background:var(--ink);color:#fff;text-align:center;padding:clamp(72px,11vw,140px) var(--pad)}
.final h2{max-width:16ch;margin:0 auto}
.final p{margin:18px auto 32px;max-width:46ch;opacity:.82}

/* Footer */
.ftr{background:#fff;border-top:1px solid var(--line);padding:48px var(--pad) calc(96px + env(safe-area-inset-bottom,0px))}
.ftr__in{max-width:var(--max);margin:0 auto;display:grid;gap:32px}
.ftr__brand img{width:140px}
.ftr__brand p{margin-top:12px;font-size:14px;color:var(--steel)}
.ftr__col{display:flex;flex-direction:column;gap:10px}
.ftr__col a,.ftr__legal a{text-decoration:none;font-size:14px;color:var(--steel)}
.ftr__col a:hover,.ftr__legal a:hover{color:var(--ink);text-decoration:underline}
.ftr__legal{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:13px;color:var(--steel);padding-top:24px;border-top:1px solid var(--mist)}
@media (min-width:800px){.ftr__in{grid-template-columns:2fr 1fr 1fr}.ftr__legal{grid-column:1/-1}}

/* Floating WhatsApp */
.float{position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:60;display:flex;align-items:center;gap:10px;height:52px;padding:0 18px 0 14px;background:var(--ink);color:#fff;border-radius:26px;text-decoration:none;font-size:14px;font-weight:400;box-shadow:0 6px 18px rgba(28,36,51,.22);transform:translateY(0);opacity:1;transition:transform .3s,opacity .3s}
.float svg{width:24px;height:24px;color:#4ADE80}
.float.is-hidden{transform:translateY(120%);opacity:0;pointer-events:none}
@media (max-width:379px){.float span{display:none}.float{width:52px;padding:0;justify-content:center}}


/* Galería de producto (fotos de Shopify) */
.ring__media{position:relative;overflow:hidden}
.gal img{transition:opacity .45s ease}
.gal .gal__s{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;mix-blend-mode:normal}
.gal .gal__s.is-cat{mix-blend-mode:multiply;background:var(--mist)}
.gal .gal__s.is-on{opacity:1}
.gal[data-active]:not([data-active="0"])>img:first-child{opacity:0}
.gal__tag{position:absolute;left:10px;top:10px;padding:5px 9px;background:rgba(255,255,255,.92);color:var(--ink);font-size:11px;letter-spacing:.06em;border-radius:1px;opacity:0;transition:opacity .3s;pointer-events:none}
.gal.is-real .gal__tag{opacity:1}
.gal__nav{position:absolute;inset:auto 0 0 0;display:flex;align-items:center;justify-content:space-between;padding:0 2px 2px}
.gal__btn{width:44px;height:44px;display:grid;place-items:center;background:none;border:0;padding:0;cursor:pointer;color:var(--ink)}
.gal__btn span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.9);box-shadow:0 1px 4px rgba(28,36,51,.14);transition:background .2s}
.gal__btn:hover span{background:#fff}
.gal__btn svg{width:12px;height:12px}
.gal__dots{display:flex;gap:5px}
.gal__dots i{width:5px;height:5px;border-radius:50%;background:rgba(28,36,51,.25);transition:background .2s,transform .2s}
.gal__dots i.is-on{background:var(--ink);transform:scale(1.2)}
@media (hover:hover) and (pointer:fine){
  .gal__btn{opacity:0;transition:opacity .2s}
  .ring:hover .gal__btn,.gal__btn:focus-visible{opacity:1}
}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* Tallas / variantes en vivo */


/* Promoción de formas de pago (bajo el precio) */
.promo{margin-top:14px;padding:10px 12px;border:1px solid var(--champ);border-radius:2px;background:linear-gradient(135deg,#FCF8F0 0%,#F3E8D3 100%);display:grid;gap:8px;box-shadow:0 1px 0 rgba(140,109,59,.08)}
.promo__row{display:flex;align-items:center;gap:10px;font-size:13px;line-height:1.35;color:var(--ink)}
.promo__row+.promo__row{padding-top:8px;border-top:1px solid rgba(140,109,59,.28)}
.promo__row strong{font-weight:500}
.promo__tag{flex:none;min-width:44px;height:24px;padding:0 7px;display:inline-flex;align-items:center;justify-content:center;border-radius:2px;background:var(--champ);color:#fff;font:600 12px/1 var(--sans);letter-spacing:.08em}
.promo__tag--msi{background:var(--ink)}

/* CTA "Entrega inmediata" (hero): etiqueta montada sobre el borde, el botón conserva su tamaño */
.hero .btn--stock{position:relative;border-color:var(--gold)}
.btn--stock__k{position:absolute;top:0;left:50%;transform:translate(-50%,-55%);display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;background:var(--champ);color:#fff;font:600 10px/1 var(--sans);letter-spacing:.16em;white-space:nowrap;box-shadow:0 2px 10px rgba(0,0,0,.25);pointer-events:none}
.hero__ctas:has(.btn--stock){margin-top:34px;row-gap:20px}
.hero .btn--stock{min-width:200px}
.stock-dot{position:relative;display:inline-block;width:7px;height:7px;border-radius:50%;background:#4ADE80;flex:none}
.stock-dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1px solid #4ADE80;animation:stockPulse 1.8s ease-out infinite}
@keyframes stockPulse{0%{transform:scale(.5);opacity:.9}100%{transform:scale(1.6);opacity:0}}
.cat__kicker{display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;font:500 12px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--champ)}
.cat__more{display:flex;justify-content:center;margin:36px auto 0;padding:0 var(--pad)}
.cat__more .btn{min-width:240px}
.cat__more-n{opacity:.6}
@media (max-width:699px){.cat__more{margin-top:20px}}

/* Foto del estuche (sección Lab Grown) */
.lab__img--photo{margin:0;overflow:hidden;background:none}
.lab__img--photo img{width:100%;aspect-ratio:818/922;object-fit:cover;mix-blend-mode:normal}