/* ANTONIO RODRIGUEZ — sistema de diseño storefront (bespoke, editorial B/N) */
:root{
  --black:#0a0a0a; --ink:#141414; --paper:#f3f1ec; --paper-2:#e9e6df; --white:#fff;
  --line:rgba(10,10,10,.14); --line-2:rgba(10,10,10,.08); --muted:#8a857c; --muted-2:#b4afa6;
  --font-display:'Cormorant Garamond',Georgia,serif;
  --font-ui:'Archivo',system-ui,sans-serif;
  --font-wide:'Archivo Expanded','Archivo',sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:var(--font-ui);background:var(--paper);color:var(--ink);line-height:1.5;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit}
::selection{background:var(--black);color:var(--paper)}
.wrap{max-width:1400px;margin:0 auto;padding:0 clamp(20px,4vw,56px)}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(243,241,236,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-2)}
.nav-in{display:flex;align-items:center;justify-content:space-between;padding:18px clamp(20px,4vw,56px)}
.nav .brand{font-family:var(--font-wide);font-weight:700;letter-spacing:.26em;font-size:13px;text-transform:uppercase}
.nav-links{display:flex;gap:clamp(16px,2.2vw,36px);align-items:center}
.nav-links a{font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:500;opacity:.72;transition:opacity .3s}
.nav-links a:hover,.nav-links a.active{opacity:1}
.cart-link{position:relative}
.cart-badge{position:absolute;top:-9px;right:-14px;min-width:16px;height:16px;padding:0 4px;border-radius:999px;background:var(--black);color:var(--paper);font-size:9px;font-weight:600;display:flex;align-items:center;justify-content:center;letter-spacing:0}

/* PAGE HEAD */
.page-head{padding:clamp(48px,9vh,110px) 0 clamp(28px,5vh,56px)}
.page-head .eyebrow{font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--muted);font-weight:600}
.page-head h1{font-family:var(--font-display);font-weight:400;font-size:clamp(2.6rem,6vw,5rem);line-height:1;margin-top:16px}
.page-head h1 em{font-style:italic}

/* FILTERS */
.filters{display:flex;gap:26px;flex-wrap:wrap;align-items:center;padding:0 0 34px;border-bottom:1px solid var(--line-2);margin-bottom:44px}
.filter{background:none;font-size:11px;letter-spacing:.2em;text-transform:uppercase;font-weight:500;color:var(--muted);padding:4px 0;position:relative;transition:color .3s}
.filter::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--black);transition:width .3s var(--ease)}
.filter:hover{color:var(--ink)}
.filter.active{color:var(--ink)}
.filter.active::after{width:100%}
.filters .count{margin-left:auto;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2)}

/* PRODUCT GRID */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.4vw,40px) clamp(14px,2vw,34px);padding-bottom:clamp(70px,12vh,140px)}
.card{display:block;cursor:pointer}
.card-media{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--paper-2)}
.card-media img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%) contrast(1.03);transition:transform 1.1s var(--ease),filter .6s}
.card:hover .card-media img{transform:scale(1.045);filter:grayscale(60%)}
.card-tag{position:absolute;top:14px;left:14px;background:var(--black);color:var(--paper);font-size:9px;letter-spacing:.18em;text-transform:uppercase;padding:5px 10px}
.card-oos{position:absolute;inset:0;background:rgba(243,241,236,.55);display:flex;align-items:center;justify-content:center;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink)}
.card-info{padding:16px 2px 0;display:flex;justify-content:space-between;gap:14px;align-items:baseline}
.card-name{font-size:13px;letter-spacing:.02em;font-weight:500}
.card-cat{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:5px}
.card-price{font-family:var(--font-display);font-size:18px;white-space:nowrap}
.card-price .old{color:var(--muted-2);text-decoration:line-through;font-size:14px;margin-right:8px}

/* PRODUCT DETAIL */
.pd{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,80px);padding:clamp(24px,4vh,48px) 0 clamp(80px,12vh,150px);align-items:start}
.pd-gallery{display:flex;flex-direction:column;gap:10px}
.pd-main{aspect-ratio:3/4;overflow:hidden;background:var(--paper-2)}
.pd-main img{width:100%;height:100%;object-fit:cover;filter:grayscale(100%) contrast(1.03)}
.pd-thumbs{display:flex;gap:10px;flex-wrap:wrap}
.pd-thumbs img{width:78px;aspect-ratio:3/4;object-fit:cover;filter:grayscale(100%);opacity:.5;cursor:pointer;transition:opacity .3s}
.pd-thumbs img.active,.pd-thumbs img:hover{opacity:1}
.pd-info{position:sticky;top:110px}
.pd-cat{font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);font-weight:600}
.pd-info h1{font-family:var(--font-display);font-weight:400;font-size:clamp(2rem,3.6vw,3.2rem);line-height:1.04;margin:14px 0 18px}
.pd-price{font-family:var(--font-display);font-size:26px;margin-bottom:30px}
.pd-price .old{color:var(--muted-2);text-decoration:line-through;font-size:19px;margin-right:10px}
.pd-desc{font-family:var(--font-display);font-size:1.18rem;line-height:1.62;color:#3a352f;margin-bottom:32px}
.pd-block{border-top:1px solid var(--line);padding:22px 0}
.pd-block .lbl{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;font-weight:600}
.sizes{display:flex;gap:8px;flex-wrap:wrap}
.size{min-width:50px;padding:12px 14px;border:1px solid var(--line);font-size:12px;letter-spacing:.08em;text-align:center;transition:all .25s;background:none}
.size:hover{border-color:var(--ink)}
.size.active{background:var(--black);color:var(--paper);border-color:var(--black)}
.size:disabled{opacity:.32;text-decoration:line-through;cursor:not-allowed}
.btn-add{width:100%;background:var(--black);color:var(--paper);padding:20px;font-size:12px;letter-spacing:.24em;text-transform:uppercase;font-weight:500;margin-top:26px;transition:opacity .3s}
.btn-add:hover{opacity:.85}
.btn-add:disabled{opacity:.4;cursor:not-allowed}
.pd-meta{margin-top:22px;font-size:12px;letter-spacing:.04em;color:var(--muted);line-height:1.8}
.pd-meta strong{color:var(--ink);font-weight:600}

/* GENERIC BUTTONS */
.btn{display:inline-flex;align-items:center;gap:12px;border:1px solid var(--black);color:var(--black);padding:16px 34px;font-size:12px;letter-spacing:.22em;text-transform:uppercase;font-weight:500;transition:background .35s var(--ease),color .35s}
.btn:hover{background:var(--black);color:var(--paper)}
.btn-solid{background:var(--black);color:var(--paper)}
.btn-solid:hover{opacity:.85}
.btn svg{width:15px;height:15px}

/* CART / CHECKOUT */
.two-col{display:grid;grid-template-columns:1.4fr .9fr;gap:clamp(28px,5vw,80px);padding-bottom:clamp(70px,12vh,140px);align-items:start}
.line-item{display:grid;grid-template-columns:96px 1fr auto;gap:20px;padding:24px 0;border-bottom:1px solid var(--line-2);align-items:center}
.line-item img{width:96px;aspect-ratio:3/4;object-fit:cover;filter:grayscale(100%)}
.li-name{font-size:14px;font-weight:500}
.li-variant{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.li-qty{display:inline-flex;align-items:center;gap:14px;margin-top:12px;border:1px solid var(--line);padding:6px 12px}
.li-qty button{font-size:16px;color:var(--muted);line-height:1}
.li-qty span{font-size:13px;min-width:16px;text-align:center}
.li-price{font-family:var(--font-display);font-size:18px}
.li-remove{display:block;margin-top:10px;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.li-remove:hover{color:var(--ink)}
.summary{background:var(--black);color:var(--paper);padding:clamp(28px,3vw,44px);position:sticky;top:110px}
.summary h3{font-family:var(--font-wide);font-size:12px;letter-spacing:.24em;text-transform:uppercase;margin-bottom:26px}
.sum-row{display:flex;justify-content:space-between;font-size:13px;padding:12px 0;color:var(--paper-2)}
.sum-row.total{border-top:1px solid var(--line);margin-top:14px;padding-top:20px;font-family:var(--font-display);font-size:24px;color:var(--paper)}
.summary .btn{width:100%;justify-content:center;margin-top:26px;border-color:var(--paper);color:var(--paper)}
.summary .btn:hover{background:var(--paper);color:var(--black)}
.field{margin-bottom:18px}
.field label{display:block;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{width:100%;padding:14px 16px;border:1px solid var(--line);background:var(--white);font-size:14px;transition:border-color .25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--black)}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.empty{text-align:center;padding:clamp(70px,16vh,180px) 0}
.empty p{font-family:var(--font-display);font-style:italic;font-size:clamp(1.6rem,4vw,2.6rem);color:var(--muted);margin-bottom:30px}

/* FOOTER */
.footer{background:var(--black);color:var(--paper);padding:clamp(56px,9vh,90px) clamp(20px,4vw,56px) 40px;margin-top:auto}
.footer-grid{max-width:1400px;margin:0 auto;display:flex;justify-content:space-between;flex-wrap:wrap;gap:40px}
.footer-brand{font-family:var(--font-wide);font-weight:700;letter-spacing:.24em;text-transform:uppercase;font-size:15px}
.footer-brand p{font-family:var(--font-display);font-style:italic;font-weight:300;font-size:15px;color:var(--muted);letter-spacing:normal;text-transform:none;margin-top:12px;max-width:320px}
.footer-col h4{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;font-weight:600}
.footer-col a{display:block;font-size:14px;opacity:.85;margin-bottom:10px;transition:opacity .3s}
.footer-col a:hover{opacity:1}
.footer-bottom{max-width:1400px;margin:56px auto 0;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
body{min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

/* toast (cart.js) */
#cart-toast,.cart-toast{position:fixed;bottom:24px;right:24px;background:var(--black);color:var(--paper);padding:16px 22px;font-size:12px;letter-spacing:.12em;z-index:200}

@media(max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .pd{grid-template-columns:1fr;gap:28px}
  .pd-info{position:static}
  .two-col{grid-template-columns:1fr}
  .summary{position:static}
}
@media(max-width:560px){
  .nav-links a:not(.cart-link){display:none}
  .grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .line-item{grid-template-columns:72px 1fr;gap:14px}
  .line-item img{width:72px}
  .li-price{grid-column:2}
}