/* =====================================================================
   CUEROS ARGENTOS — Sistema de diseño
   Principio: el producto es el heroe. Todo lo demas se corre del camino.
   ===================================================================== */

:root{
  --ink:#14110F; --ink-2:#2A2522; --ink-3:#5A504A;
  --paper:#FBF9F6; --bone:#F2EDE5; --line:#E2D9CC;
  --cognac:#8B5E34; --tan:#B08D57; --gold:#C6A664;
  --ok:#2F6B4F; --warn:#9A5B2B; --err:#8C2F2F;

  --serif:'Cormorant Garamond',Georgia,'Times New Roman',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;

  --sp-1:.5rem; --sp-2:1rem; --sp-3:1.5rem; --sp-4:2.5rem;
  --sp-5:4rem; --sp-6:6rem; --sp-7:9rem;

  --max:1320px; --narrow:760px;
  --ease:cubic-bezier(.16,1,.3,1);
  --shadow:0 2px 8px rgba(20,17,15,.04),0 24px 48px -24px rgba(20,17,15,.14);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);background:var(--paper);color:var(--ink);
  font-size:16px;line-height:1.65;letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
::selection{background:var(--ink);color:var(--paper)}

.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--sp-3)}
.narrow{max-width:var(--narrow);margin:0 auto}
@media(min-width:768px){.wrap{padding:0 var(--sp-4)}}

/* ---------- Tipografia ---------- */
h1,h2,h3,.display{font-family:var(--serif);font-weight:300;line-height:1.06;letter-spacing:-.02em}
h1,.h1{font-size:clamp(2.9rem,7.5vw,5.6rem)}
h2,.h2{font-size:clamp(2.1rem,4.6vw,3.5rem)}
h3,.h3{font-size:clamp(1.4rem,2.4vw,1.9rem)}
.eyebrow{
  font-family:var(--sans);font-size:.68rem;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--tan);
}
.lead{font-size:1.15rem;color:var(--ink-3);line-height:1.75;font-weight:300}
.muted{color:var(--ink-3)}
.serif-it{font-family:var(--serif);font-style:italic}

/* ---------- Header ---------- */
.hdr{
  position:fixed;inset:0 0 auto 0;z-index:100;
  padding:1.25rem 0;transition:background .5s var(--ease),padding .5s var(--ease),border-color .5s;
  border-bottom:1px solid transparent;
}
.hdr.solid{
  background:rgba(251,249,246,.88);backdrop-filter:saturate(180%) blur(16px);
  border-bottom-color:var(--line);padding:.85rem 0;
}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3)}
/* El logo cruza de claro a oscuro cuando el header se vuelve sólido.
   Dos SVG apilados, no un filtro CSS: el filtro degrada el trazo fino de la costura. */
.logo{position:relative;display:block;height:30px;flex:0 0 auto}
.logo img{height:30px;width:auto;display:block;transition:opacity .5s var(--ease)}
.logo .logo-d{position:absolute;inset:0;opacity:0}
.hdr.solid .logo .logo-l{opacity:0}
.hdr.solid .logo .logo-d{opacity:1}
@media(min-width:900px){.logo,.logo img{height:34px}}
.ftr-mark{height:30px;width:auto;margin-bottom:1.1rem;opacity:.92}
.nav{display:none;gap:2rem}
@media(min-width:900px){.nav{display:flex}}
.nav a{
  font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;color:var(--paper);
  opacity:.82;transition:opacity .3s,color .5s;position:relative;padding:.25rem 0;
}
.hdr.solid .nav a{color:var(--ink-2)}
.nav a::after{
  content:'';position:absolute;left:0;bottom:0;height:1px;width:0;
  background:currentColor;transition:width .4s var(--ease);
}
.nav a:hover{opacity:1}.nav a:hover::after{width:100%}
.hdr-act{display:flex;align-items:center;gap:1.1rem}
.cart-btn{
  display:flex;align-items:center;gap:.5rem;color:var(--paper);transition:color .5s;
  font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
}
.hdr.solid .cart-btn{color:var(--ink)}
.cart-count{
  min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:var(--cognac);color:#fff;
  font-size:.65rem;font-weight:600;display:grid;place-items:center;letter-spacing:0;
  transform:scale(0);transition:transform .35s var(--ease);
}
.cart-count.on{transform:scale(1)}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:1.05rem 2.4rem;font-size:.76rem;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;border:1px solid var(--ink);background:var(--ink);color:var(--paper);
  position:relative;overflow:hidden;transition:color .45s var(--ease);
}
.btn::before{
  content:'';position:absolute;inset:0;background:var(--cognac);
  transform:translateY(101%);transition:transform .45s var(--ease);z-index:0;
}
.btn:hover::before{transform:translateY(0)}
.btn>*{position:relative;z-index:1}
.btn span{position:relative;z-index:1}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{color:var(--paper)}
.btn-light{background:transparent;border-color:rgba(251,249,246,.45);color:var(--paper)}
.btn-light::before{background:var(--paper)}
.btn-light:hover{color:var(--ink)}
.btn-block{width:100%}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn:disabled::before{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100svh;display:grid;align-items:center;
  color:var(--paper);overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;animation:kb 24s ease-out forwards}
@keyframes kb{from{transform:scale(1.09)}to{transform:scale(1)}}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(20,17,15,.86) 0%,rgba(20,17,15,.55) 45%,rgba(20,17,15,.2) 100%);
}
.hero-in{position:relative;z-index:1;padding:9rem 0 5rem;max-width:720px}
.hero h1{margin:1.4rem 0 1.6rem}
.hero h1 em{font-style:italic;color:var(--gold)}
.hero p{font-size:1.12rem;line-height:1.8;color:rgba(251,249,246,.8);max-width:47ch;font-weight:300}
.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.6rem}
.hero-meta{
  position:absolute;bottom:2rem;left:0;right:0;z-index:1;
  display:flex;flex-wrap:wrap;gap:1.5rem 2.5rem;
  font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(251,249,246,.55);
}
.hero-meta span{display:flex;align-items:center;gap:.5rem}
.hero-meta span::before{content:'';width:4px;height:4px;background:var(--gold);border-radius:50%}

/* ---------- Secciones ---------- */
.sec{padding:var(--sp-6) 0}
.sec-bone{background:var(--bone)}
.sec-ink{background:var(--ink);color:var(--paper)}
.sec-ink .lead,.sec-ink .muted{color:rgba(251,249,246,.62)}
.sec-hd{margin-bottom:var(--sp-5);max-width:640px}
.sec-hd h2{margin:.9rem 0 1.1rem}
.sec-hd.ctr{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Grilla de producto ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:var(--sp-4) var(--sp-3)}
.card{position:relative;display:block;opacity:0;transform:translateY(24px)}
.card.in{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}
.card-img{
  position:relative;overflow:hidden;background:var(--bone);
  aspect-ratio:4/5;margin-bottom:1.3rem;
}
.card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 1.1s var(--ease),opacity .6s var(--ease);
}
.card-img img.alt{position:absolute;inset:0;opacity:0}
.card:hover .card-img img{transform:scale(1.05)}
.card:hover .card-img img.alt{opacity:1}
.card-tag{
  position:absolute;top:1rem;left:1rem;z-index:2;padding:.42rem .8rem;
  background:rgba(251,249,246,.94);font-size:.6rem;font-weight:600;
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink);
}
.card-tag.last{background:var(--warn);color:#fff}
.card-tag.out{background:var(--ink-3);color:#fff}
.card-cat{font-size:.63rem;letter-spacing:.18em;text-transform:uppercase;color:var(--tan);margin-bottom:.45rem}
.card h3{font-size:1.5rem;margin-bottom:.3rem}
.card-sub{font-size:.86rem;color:var(--ink-3);line-height:1.5;margin-bottom:.7rem;min-height:2.6em}
.card-price{font-size:1rem;font-weight:500;letter-spacing:.01em}
.card-quick{
  position:absolute;left:1rem;right:1rem;bottom:1rem;z-index:2;
  padding:.85rem;background:var(--ink);color:var(--paper);text-align:center;
  font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  opacity:0;transform:translateY(10px);transition:all .45s var(--ease);
}
.card:hover .card-quick{opacity:1;transform:none}
@media(hover:none){.card-quick{display:none}}

/* ---------- PDP ---------- */
.pdp{padding:8.5rem 0 var(--sp-6)}
.pdp-grid{display:grid;gap:var(--sp-4)}
@media(min-width:960px){.pdp-grid{grid-template-columns:1.15fr .85fr;gap:var(--sp-5)}}
.pdp-gal{display:grid;gap:.75rem}
.pdp-main{
  position:relative;background:var(--bone);aspect-ratio:4/5;overflow:hidden;cursor:zoom-in;
}
.pdp-main img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.pdp-main.zoom img{transform:scale(2);cursor:zoom-out}
.pdp-thumbs{display:flex;gap:.75rem}
.pdp-thumbs button{
  width:80px;aspect-ratio:4/5;background:var(--bone);overflow:hidden;
  border:1px solid transparent;transition:border-color .3s;opacity:.62;
}
.pdp-thumbs button.on{border-color:var(--ink);opacity:1}
.pdp-thumbs img{width:100%;height:100%;object-fit:cover}
.pdp-info{position:sticky;top:6rem;align-self:start}
.pdp-info h1{font-size:clamp(2.4rem,4.4vw,3.4rem);margin:.7rem 0 .8rem;line-height:1.05}
.pdp-price{
  display:flex;align-items:baseline;gap:1rem;flex-wrap:wrap;
  padding:1.5rem 0;margin:1.5rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.pdp-price .amt{font-size:2rem;font-family:var(--serif);font-weight:400}
.pdp-cuotas{font-size:.84rem;color:var(--cognac);font-weight:500}
.pdp-stock{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.4rem}
.pdp-stock.low{color:var(--warn)}
.pdp-stock.ok{color:var(--ok)}
.pdp-stock.no{color:var(--err)}
.qty{display:flex;align-items:center;border:1px solid var(--line);width:fit-content;margin-bottom:1rem}
.qty button{width:46px;height:50px;font-size:1.1rem;color:var(--ink-3);transition:color .2s}
.qty button:hover{color:var(--ink)}
.qty span{width:46px;text-align:center;font-weight:500;font-variant-numeric:tabular-nums}
.pdp-story{
  margin-top:2.2rem;padding:1.8rem;background:var(--bone);border-left:2px solid var(--cognac);
}
.pdp-story p{font-family:var(--serif);font-size:1.2rem;font-style:italic;line-height:1.65;color:var(--ink-2)}
.spec{margin-top:2rem;border-top:1px solid var(--line)}
.spec-row{display:grid;grid-template-columns:38% 1fr;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--line);font-size:.88rem}
.spec-row dt{color:var(--ink-3);font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;padding-top:.2rem}
.trust{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:1.8rem;font-size:.76rem;color:var(--ink-3)}
.trust span{display:flex;align-items:center;gap:.45rem}

/* ---------- Carrito ---------- */
.cart-page{padding:8.5rem 0 var(--sp-6);min-height:70vh}
.cart-grid{display:grid;gap:var(--sp-4)}
@media(min-width:900px){.cart-grid{grid-template-columns:1.6fr .9fr;gap:var(--sp-5)}}
.cart-line{display:grid;grid-template-columns:96px 1fr auto;gap:1.3rem;padding:1.6rem 0;border-bottom:1px solid var(--line)}
.cart-line img{width:96px;aspect-ratio:4/5;object-fit:cover;background:var(--bone)}
.cart-line h4{font-family:var(--serif);font-size:1.3rem;font-weight:400}
.cart-line .rm{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);border-bottom:1px solid var(--line);margin-top:.6rem}
.cart-line .rm:hover{color:var(--err);border-color:var(--err)}
.sum{background:var(--bone);padding:var(--sp-3);position:sticky;top:6.5rem}
.sum-row{display:flex;justify-content:space-between;padding:.75rem 0;font-size:.92rem}
.sum-row.tot{border-top:1px solid var(--line);margin-top:.6rem;padding-top:1.2rem;font-size:1.35rem;font-family:var(--serif)}
.empty{text-align:center;padding:var(--sp-6) 0}

/* ---------- Formularios ---------- */
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);margin-bottom:.5rem}
.field input,.field textarea,.field select{
  width:100%;padding:.95rem 1rem;background:var(--paper);
  border:1px solid var(--line);transition:border-color .3s;font-size:.95rem;
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--ink)}
.field .err{color:var(--err);font-size:.78rem;margin-top:.35rem;display:none}
.field.bad input{border-color:var(--err)}
.field.bad .err{display:block}

/* ---------- Captura de email ---------- */
.capture{background:var(--ink);color:var(--paper);padding:var(--sp-6) 0}
.capture h2{margin:1rem 0}
.cap-form{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}
.cap-form input{
  flex:1;min-width:240px;padding:1.05rem 1.2rem;background:transparent;
  border:1px solid rgba(251,249,246,.28);color:var(--paper);
}
.cap-form input::placeholder{color:rgba(251,249,246,.4)}
.cap-form input:focus{outline:none;border-color:var(--gold)}
.cap-note{font-size:.74rem;color:rgba(251,249,246,.42);margin-top:1rem}

/* ---------- Oficio (bloque narrativo) ---------- */
.craft{display:grid;gap:var(--sp-4)}
@media(min-width:900px){.craft{grid-template-columns:repeat(3,1fr);gap:var(--sp-4)}}
.craft-item{border-top:1px solid var(--line);padding-top:1.6rem}
.sec-ink .craft-item{border-color:rgba(251,249,246,.18)}
.craft-num{font-family:var(--serif);font-size:2.6rem;color:var(--tan);line-height:1;margin-bottom:.9rem}
.craft-item h3{font-size:1.35rem;margin-bottom:.7rem}
.craft-item p{font-size:.92rem;line-height:1.75}

/* ---------- Footer ---------- */
.ftr{background:var(--ink);color:rgba(251,249,246,.6);padding:var(--sp-5) 0 var(--sp-3);font-size:.86rem}
.ftr-grid{display:grid;gap:var(--sp-4);margin-bottom:var(--sp-4)}
@media(min-width:768px){.ftr-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.ftr h4{font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--paper);margin-bottom:1.1rem;font-family:var(--sans);font-weight:600}
.ftr ul{list-style:none}
.ftr li{margin-bottom:.6rem}
.ftr a:hover{color:var(--paper)}
.ftr-logo{font-family:var(--serif);font-size:1.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--paper);margin-bottom:1rem}
.ftr-btm{border-top:1px solid rgba(251,249,246,.12);padding-top:1.6rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.76rem}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:2rem;left:50%;z-index:200;
  transform:translate(-50%,150%);transition:transform .5s var(--ease);
  background:var(--ink);color:var(--paper);padding:1rem 1.8rem;
  font-size:.8rem;letter-spacing:.06em;box-shadow:var(--shadow);max-width:90vw;
}
.toast.on{transform:translate(-50%,0)}
.toast.bad{background:var(--err)}

/* ---------- Reveal ---------- */
.rv{opacity:0;transform:translateY(28px)}
.rv.in{opacity:1;transform:none;transition:opacity .9s var(--ease),transform .9s var(--ease)}

/* ---------- Utilidades ---------- */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.center{text-align:center}
.mt-3{margin-top:var(--sp-3)}.mt-4{margin-top:var(--sp-4)}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .rv,.card{opacity:1;transform:none}
}

/* =====================================================================
   CARRUSEL — scroll-snap nativo. Cero librerías.
   Un carrusel con JS de terceros pesa 40 KB y hace exactamente esto.
   ===================================================================== */
.carousel{position:relative}
.carousel-hd{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1.6rem}
.carousel-nav{display:flex;gap:.5rem}
.carousel-nav button{
  width:42px;height:42px;border:1px solid var(--line);display:grid;place-items:center;
  transition:all .3s var(--ease);color:var(--ink-3);background:var(--paper);
}
.carousel-nav button:hover:not(:disabled){background:var(--ink);color:var(--paper);border-color:var(--ink)}
.carousel-nav button:disabled{opacity:.25;cursor:default}
.sec-ink .carousel-nav button{background:transparent;border-color:rgba(251,249,246,.2);color:rgba(251,249,246,.7)}
.sec-ink .carousel-nav button:hover:not(:disabled){background:var(--paper);color:var(--ink)}

.rail{
  display:flex;gap:1.2rem;overflow-x:auto;scroll-snap-type:x mandatory;
  scroll-behavior:smooth;padding-bottom:.5rem;
  scrollbar-width:none;-ms-overflow-style:none;cursor:grab;
}
.rail::-webkit-scrollbar{display:none}
.rail.dragging{cursor:grabbing;scroll-snap-type:none;scroll-behavior:auto}
.rail > *{scroll-snap-align:start;flex:0 0 auto}
.rail .card{width:270px}
@media(max-width:640px){.rail .card{width:74vw}}

/* ---------- Tarjeta compacta (cross-sell) ---------- */
.xcard{
  width:170px;text-align:left;position:relative;background:var(--paper);
  border:1px solid var(--line);padding:.75rem;transition:border-color .3s;
}
.xcard:hover{border-color:var(--cognac)}
.xcard-img{position:relative;aspect-ratio:1/1;background:var(--bone);overflow:hidden;margin-bottom:.7rem}
.xcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.xcard:hover .xcard-img img{transform:scale(1.06)}
.xcard h4{font-family:var(--sans);font-size:.82rem;font-weight:500;line-height:1.3;margin-bottom:.3rem}
.xcard .p{font-size:.9rem;font-weight:600;letter-spacing:-.01em}
.xcard .cuota{font-size:.66rem;color:var(--cognac);margin-top:.15rem}
.xcard-add{
  position:absolute;right:.5rem;bottom:.5rem;z-index:2;
  width:32px;height:32px;border-radius:50%;background:var(--paper);
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:1rem;color:var(--ink);transition:all .25s var(--ease);
}
.xcard-add:hover{background:var(--ink);color:var(--paper);transform:scale(1.1)}
.xcard-add.done{background:var(--ok);color:#fff;border-color:var(--ok)}

/* =====================================================================
   MODAL DE AGREGADO — el momento de mayor intención de compra de todo el sitio.
   El cliente ya decidió gastar. Acá el add-on barato es casi gratis para él.
   ===================================================================== */
.atc{position:fixed;inset:0;z-index:300;display:none}
.atc.on{display:block}
.atc-bg{position:absolute;inset:0;background:rgba(20,17,15,.55);backdrop-filter:blur(3px);opacity:0;transition:opacity .4s}
.atc.on .atc-bg{opacity:1}
.atc-box{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-46%) scale(.97);
  width:min(760px,92vw);max-height:88vh;overflow-y:auto;background:var(--paper);
  padding:2rem;opacity:0;transition:all .45s var(--ease);box-shadow:var(--shadow);
}
.atc.on .atc-box{transform:translate(-50%,-50%) scale(1);opacity:1}
.atc-close{position:absolute;top:1rem;right:1rem;width:36px;height:36px;font-size:1.3rem;color:var(--ink-3)}
.atc-close:hover{color:var(--ink)}
.atc-ok{display:flex;gap:1.2rem;align-items:center;padding-bottom:1.6rem;border-bottom:1px solid var(--line)}
.atc-ok img{width:88px;aspect-ratio:4/5;object-fit:cover;background:var(--bone)}
.atc-ok .tick{color:var(--ok);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:.35rem}
.atc-ok h3{font-size:1.5rem;margin-bottom:.25rem}
.atc-ok .q{font-size:.9rem;color:var(--ink-3)}
.atc-sug{margin-top:1.6rem}
.atc-sug .eyebrow{margin-bottom:1rem}
.atc-act{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
.atc-act .btn{flex:1;min-width:180px}
.atc-engine{font-size:.62rem;color:var(--line);margin-top:1rem;letter-spacing:.08em}

/* =====================================================================
   CINTURONES 3D — fondo. Sólo desktop, sólo si el equipo lo aguanta.
   Un canvas WebGL que baja el LCP medio segundo se come el 3,5% de la conversión.
   Por eso: carga diferida, detrás del contenido, y apagado si el usuario
   pidió menos movimiento.
   ===================================================================== */
#belts{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  opacity:0;transition:opacity 1.6s var(--ease);
}
#belts.on{opacity:1}
.hero,.sec,.capture,.ftr,.hdr{position:relative;z-index:1}
@media(prefers-reduced-motion:reduce){#belts{display:none}}

/* =====================================================================
   CHECKOUT — una sola página, revelado progresivo.
   El indicador muestra 3 pasos (el cliente sabe dónde está: baja la ansiedad)
   pero NO hay recargas. La claridad de 3 pasos, la fricción de 1.
   ===================================================================== */
.steps{display:flex;align-items:center;justify-content:center;gap:0;margin:0 auto 3.5rem;max-width:620px}
.step{display:flex;flex-direction:column;align-items:center;gap:.6rem;flex:0 0 auto;position:relative;z-index:1}
.step-dot{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;background:var(--paper);
  font-size:.7rem;color:var(--ink-3);transition:all .45s var(--ease);
}
.step-lbl{font-size:.63rem;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-3);transition:color .45s}
.step.done .step-dot{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.step.done .step-lbl{color:var(--ink)}
.step.now .step-dot{border-color:var(--ink);color:var(--ink);box-shadow:0 0 0 4px rgba(139,94,52,.12)}
.step.now .step-lbl{color:var(--ink);font-weight:600}
.step-bar{flex:1;height:1px;background:var(--line);margin:0 -1px;margin-bottom:1.9rem;transition:background .6s var(--ease)}
.step-bar.done{background:var(--ink)}

.panel{border-top:1px solid var(--line);padding:1.6rem 0}
.panel-hd{display:flex;align-items:center;justify-content:space-between;gap:1rem;cursor:default}
.panel-hd h3{font-size:1.35rem}
.panel-body{margin-top:1.2rem}
.panel.locked{opacity:.4;pointer-events:none}

/* Opciones de envío */
.ship{display:grid;gap:.6rem;margin-top:1rem}
.ship-opt{
  display:flex;align-items:center;gap:1rem;padding:1rem 1.1rem;
  border:1px solid var(--line);cursor:pointer;transition:border-color .25s,background .25s;
}
.ship-opt:hover{border-color:var(--cognac)}
.ship-opt.on{border-color:var(--ink);background:var(--paper)}
.ship-opt input{accent-color:var(--ink);width:16px;height:16px;flex:0 0 auto}
.ship-opt .t{flex:1}
.ship-opt .t b{display:block;font-weight:500;font-size:.92rem;margin-bottom:.15rem}
.ship-opt .t span{font-size:.78rem;color:var(--ink-3)}
.ship-opt .c{font-weight:600;font-size:.92rem;white-space:nowrap}
.ship-opt .c.free{color:var(--ok);text-transform:uppercase;font-size:.72rem;letter-spacing:.1em}
.ship-opt .c s{display:block;color:var(--ink-3);font-weight:400;font-size:.74rem;text-decoration:line-through}

/* La barra que sube el ticket promedio. No es un regalo: es una palanca de AOV. */
.free-bar{background:var(--bone);padding:1rem 1.2rem;margin-bottom:1.2rem;border-left:2px solid var(--gold)}
.free-bar p{font-size:.84rem;line-height:1.5}
.free-bar b{color:var(--cognac)}
.free-bar .track{height:3px;background:var(--line);margin-top:.7rem;overflow:hidden}
.free-bar .fill{height:100%;background:var(--gold);width:0;transition:width .8s var(--ease)}
.free-bar.done{border-left-color:var(--ok)}
.free-bar.done .fill{background:var(--ok)}