/* public.css · Páginas públicas PHP (catálogo, producto, carrito, checkout). Misma cabecera/pie que index.html. IF-Mini */
:root{--azul:#004F9F;--azul-600:#003D7C;--azul-soft:#E5EEF8;--magenta:#E6007E;--magenta-text:#C4006B;--magenta-soft:#FDE6F2;--cian:#009FE3;--amarillo:#FFED00;--tinta:#1D1D1B;--g700:#575756;--g500:#767675;--g300:#C4C4C3;--g200:#DFE0E0;--g100:#EFEFEF;--g50:#F6F6F6;--ok:#1E7D3B;--ok-soft:#E4F5E9;--warn:#9A5B00;--warn-soft:#FFF2D9;--err:#B42318;--err-soft:#FCE8E6;
--display:"Montserrat",system-ui,sans-serif;--ui:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--radius:14px;--wrap:1120px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ui);font-size:16px;line-height:1.55;color:var(--tinta);background:#fff}
h1,h2,h3{font-family:var(--display);font-weight:800;line-height:1.15;letter-spacing:-.015em;margin:0}
h1{font-size:clamp(1.7rem,3.6vw,2.5rem)}h2{font-size:clamp(1.3rem,2.4vw,1.7rem)}h3{font-size:1.05rem;font-weight:700}
p{margin:0}a{color:var(--azul)}img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
:focus-visible{outline:3px solid var(--cian);outline-offset:3px;border-radius:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:transform .15s,background .15s}
.btn:active{transform:scale(.98)}.btn--primary{background:var(--azul);color:#fff}.btn--primary:hover{background:var(--azul-600);color:#fff}
.btn--ghost{background:#fff;color:var(--azul);border-color:var(--g200)}.btn--ghost:hover{border-color:var(--azul)}
.btn--accent{background:var(--magenta);color:#fff}.btn--accent:hover{background:#B8005F;color:#fff}
.btn--wa{background:#25D366;color:#053d1f}.btn--sm{min-height:40px;padding:8px 16px;font-size:14.5px}.btn--block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
/* Cabecera y pie (igual que la portada) */
.hdr{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--g100)}
.hdr .wrap{display:flex;align-items:center;gap:16px;min-height:68px}.hdr__logo img{height:38px;width:auto}
.nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.nav a{font-weight:500;color:var(--g700);text-decoration:none;padding:10px 12px;border-radius:8px;font-size:15px}.nav a:hover{color:var(--azul);background:var(--azul-soft)}
.nav .btn{min-height:42px;padding:8px 18px;margin-left:6px}.nav .btn--primary{color:#fff}
.cartlink{position:relative;display:inline-flex;align-items:center;gap:8px}.cartlink__n{background:var(--magenta);color:#fff;font-size:12px;font-weight:700;min-width:20px;height:20px;border-radius:999px;display:inline-grid;place-items:center;padding:0 6px}
.burger{display:none;margin-left:auto;width:48px;height:48px;border:0;background:none;color:var(--tinta);cursor:pointer;border-radius:10px}.burger svg{width:26px;height:26px}
@media(max-width:820px){.burger{display:grid;place-items:center}.nav{position:fixed;inset:68px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 20px;border-bottom:1px solid var(--g200);box-shadow:0 20px 40px rgba(0,0,0,.08);transform:translateY(-12px);opacity:0;pointer-events:none;transition:.2s}.nav.is-open{transform:none;opacity:1;pointer-events:auto}.nav a{padding:14px 12px;font-size:17px}.nav .btn{margin:8px 0 0}}
.ftr{background:var(--tinta);color:#c9c9c7;padding:32px 0;margin-top:64px}.ftr .wrap{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}.ftr img{height:34px;width:auto}.ftr a{color:#fff;text-decoration:none;margin-left:18px;font-size:14px}.ftr small{font-size:13px}
/* Página */
.page{padding:36px 0 0}.crumbs{font-size:13.5px;color:var(--g500);margin-bottom:14px}.crumbs a{color:var(--g700);text-decoration:none}.crumbs a:hover{color:var(--azul)}
.eyebrow{font-weight:600;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--magenta-text);display:block;margin-bottom:8px}
.lead{color:var(--g700);font-size:1.05rem;max-width:62ch}
.flash{padding:12px 16px;border-radius:10px;margin:0 0 18px;font-size:15px}.flash--ok{background:var(--ok-soft);color:var(--ok)}.flash--warn{background:var(--warn-soft);color:var(--warn)}.flash--err{background:var(--err-soft);color:var(--err)}
/* Catálogo */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--g200);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:inherit;transition:transform .2s,border-color .2s,box-shadow .2s}
.pcard:hover{transform:translateY(-3px);border-color:var(--azul);box-shadow:0 12px 30px rgba(0,79,159,.08)}
.pcard__art{aspect-ratio:4/3;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:64px;color:#fff;letter-spacing:-.05em}
.pcard__b{padding:18px 20px 20px}.pcard__b p{color:var(--g700);font-size:14.5px;margin:6px 0 12px}.pcard__price{font-weight:600;color:var(--azul)}.pcard__price small{color:var(--g500);font-weight:500}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.grid{grid-template-columns:1fr}}
/* Producto */
.prod{display:grid;grid-template-columns:1fr 440px;gap:40px;align-items:start;margin-top:22px}
.prod__art{aspect-ratio:4/3;border-radius:var(--radius);display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:clamp(90px,14vw,180px);color:#fff;letter-spacing:-.05em;position:relative;overflow:hidden}
.prod__art small{position:absolute;left:16px;bottom:12px;font:600 12px var(--ui);letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.8)}
.prod__desc{margin-top:22px;color:var(--g700)}.prod__specs{margin:22px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.prod__specs li{background:var(--g50);border-radius:10px;padding:12px 14px;font-size:14.5px}.prod__specs b{display:block;color:var(--g500);font-size:12.5px;font-weight:600}
.conf{position:sticky;top:84px;background:#fff;border:1px solid var(--g200);border-radius:var(--radius);padding:22px}
.conf h2{font-size:1.2rem;margin-bottom:4px}.conf__from{color:var(--g700);font-size:14px;margin-bottom:16px}
.fg{margin-bottom:16px}.fg>label,.fg__t{display:block;font-weight:600;font-size:14px;margin-bottom:6px}.fg__help{color:var(--g500);font-size:12.5px;margin-top:5px}.fg__err{color:var(--err);font-size:13px;margin-top:5px;display:none}.fg.is-err .fg__err{display:block}.fg.is-err .in,.fg.is-err .chips label{border-color:var(--err)}
.in{width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--g300);border-radius:10px;font:inherit;font-size:15px;color:var(--tinta);background:#fff}.in:focus{outline:none;border-color:var(--azul);box-shadow:0 0 0 3px var(--azul-soft)}
textarea.in{min-height:88px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chips input{position:absolute;opacity:0;width:0;height:0}
.chips label{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:7px 13px;border:1.5px solid var(--g200);border-radius:999px;font-size:14px;cursor:pointer;background:#fff}
.chips label small{color:var(--g500);font-size:12px}.chips input:checked+label{border-color:var(--azul);background:var(--azul-soft);color:var(--azul-600);font-weight:600}.chips input:focus-visible+label{outline:3px solid var(--cian);outline-offset:2px}
.qty{display:flex;gap:8px;flex-wrap:wrap}.qty label{flex:1 1 90px;text-align:center}
.dims{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.file{display:none}.file.is-on{display:block;margin-top:10px}.file input{font-size:14px}.file__name{font-size:13px;color:var(--ok);margin-top:4px}
.total{border-top:1px solid var(--g200);margin-top:6px;padding-top:16px}
.total__row{display:flex;justify-content:space-between;font-size:14px;color:var(--g700);margin-bottom:4px}
.total__big{display:flex;justify-content:space-between;align-items:baseline;margin:8px 0 14px}.total__big b{font-family:var(--display);font-size:1.7rem;color:var(--azul)}.total__big small{color:var(--g500)}
.total__note{font-size:12.5px;color:var(--g500);margin-top:10px}
@media(max-width:960px){.prod{grid-template-columns:1fr;gap:24px}.conf{position:static}.prod__specs{grid-template-columns:1fr}}
/* Carrito y checkout */
.cart{display:grid;grid-template-columns:1fr 360px;gap:28px;align-items:start;margin-top:22px}
.item{display:grid;grid-template-columns:72px 1fr auto;gap:16px;padding:18px 0;border-bottom:1px solid var(--g200)}
.item__art{width:72px;height:72px;border-radius:12px;display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:34px;color:#fff}
.item h3{font-size:1rem}.item__meta{color:var(--g700);font-size:14px;margin-top:4px}.item__files{font-size:13px;color:var(--ok);margin-top:4px}
.item__price{text-align:right;font-weight:600;white-space:nowrap}.item__price small{display:block;color:var(--g500);font-weight:500;font-size:12.5px}
.item__acts{grid-column:2/4;display:flex;gap:14px;font-size:14px}.item__acts button{background:none;border:0;color:var(--g700);cursor:pointer;padding:6px 0;font:inherit;font-size:14px;text-decoration:underline}.item__acts button:hover{color:var(--err)}
.summary{position:sticky;top:84px;background:var(--g50);border-radius:var(--radius);padding:22px}.summary h2{font-size:1.15rem;margin-bottom:12px}
.summary .total__big b{font-size:1.5rem}.summary .btn{margin-top:8px}
.steps{display:flex;gap:6px;margin:0 0 22px;padding:0;list-style:none;font-size:13.5px;color:var(--g500);flex-wrap:wrap}.steps li{display:flex;align-items:center;gap:8px}.steps li::before{content:attr(data-n);display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--g200);font-weight:700;font-size:12px}.steps li.is-on{color:var(--tinta);font-weight:600}.steps li.is-on::before{background:var(--azul);color:#fff}.steps li.is-done::before{background:var(--ok);color:#fff}
.sec{background:#fff;border:1px solid var(--g200);border-radius:var(--radius);padding:22px;margin-bottom:18px}.sec h2{font-size:1.15rem;margin-bottom:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pay{display:grid;gap:10px}.pay input{position:absolute;opacity:0}.pay label{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1.5px solid var(--g200);border-radius:12px;cursor:pointer}.pay input:checked+label{border-color:var(--azul);background:var(--azul-soft)}.pay b{display:block}.pay small{color:var(--g700);font-size:13.5px}
.empty{text-align:center;padding:56px 20px;color:var(--g700);border:1px dashed var(--g300);border-radius:var(--radius);margin-top:22px}.empty strong{display:block;color:var(--tinta);font-size:1.1rem;margin-bottom:6px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:13px;font-weight:600;background:var(--g100);color:var(--g700)}.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.badge--ok{background:var(--ok-soft);color:var(--ok)}.badge--warn{background:var(--warn-soft);color:var(--warn)}.badge--info{background:var(--azul-soft);color:var(--azul)}
@media(max-width:900px){.cart{grid-template-columns:1fr}.summary{position:static}.row2{grid-template-columns:1fr}.item{grid-template-columns:56px 1fr}.item__price{grid-column:2;text-align:left;margin-top:4px}.item__acts{grid-column:2}}
/* v2 · pedido simple */
.chk{display:flex;gap:8px;align-items:center;font-size:14.5px;cursor:pointer}.chk input{width:18px;height:18px;accent-color:var(--azul)}
.qbtn{border:1.5px solid var(--g200);background:#fff;border-radius:999px;min-height:36px;padding:5px 12px;font:inherit;font-size:13.5px;cursor:pointer;color:var(--tinta)}.qbtn:hover{border-color:var(--azul);color:var(--azul)}.qbtn small{color:var(--g500)}
.specs{border:1px solid var(--g200);border-radius:12px;padding:0 14px;margin-bottom:16px}.specs summary{cursor:pointer;padding:12px 0;font-weight:600;font-size:14.5px;list-style:none;display:flex;justify-content:space-between;align-items:center}.specs summary::after{content:"+";font-size:20px;color:var(--g500)}.specs[open] summary::after{content:"−"}.specs summary small{color:var(--g500);font-weight:500}.specs .fg:first-of-type{margin-top:4px}
.urg{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1.5px solid var(--amarillo);background:#FFFBE0;border-radius:12px;margin-top:12px}.urg input{width:20px;height:20px;margin-top:2px;accent-color:var(--tinta)}.urg b{display:block}.urg small{color:var(--g700);font-size:13.5px}
.cond{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:8px;font-size:14px;color:var(--g700)}.cond li{display:flex;gap:10px}.cond li::before{content:"✓";color:var(--ok);font-weight:700;flex:none}
.tag-urg{display:inline-flex;align-items:center;gap:6px;background:var(--amarillo);color:var(--tinta);font-weight:700;font-size:12.5px;padding:3px 10px;border-radius:999px}
.nav__express{color:var(--tinta)!important;background:var(--amarillo);font-weight:600}.nav__express:hover{background:#f5e300!important}
.express{display:flex;gap:14px;align-items:center;padding:14px 16px;border:1.5px solid var(--amarillo);background:#FFFBE0;border-radius:14px;margin:0 0 18px;font-size:15px;color:var(--g700)}.express b{color:var(--tinta)}
@media(max-width:520px){.express{flex-direction:column;align-items:flex-start;gap:8px}}

/* v3 · escala tipográfica modular 1.25 fluida, espaciado base 4, móvil */
:root{--fs-0:.8125rem;--fs-1:.9375rem;--fs-2:1rem;--fs-3:clamp(1.125rem,1rem + .5vw,1.25rem);--fs-4:clamp(1.375rem,1.2rem + .9vw,1.7rem);--fs-5:clamp(1.75rem,1.3rem + 1.8vw,2.5rem);--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px}
h1{font-size:var(--fs-5)}h2{font-size:var(--fs-4)}h3{font-size:var(--fs-3)}.eyebrow{font-size:var(--fs-0)}
.page{padding:var(--sp-6) 0 0}
@media(max-width:900px){.in,.btn{font-size:16px}.in{min-height:46px}.conf{padding:16px}.summary{padding:16px}.sec{padding:16px}.page{padding-top:var(--sp-5)}}
@media(prefers-reduced-motion:reduce){.pcard,.svc .card,.btn{transition:none}}
/* v4 · correcciones de auditoría */
.btn svg{width:20px;height:20px;flex:none}
.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:29}@media(max-width:820px){.nav-backdrop.is-on{display:block}}
/* Pieza de producto: nombre grande + inicial translúcida + etiqueta (sustituye la letra sola) */
.art{position:relative;overflow:hidden;border-radius:var(--radius);display:flex;align-items:flex-end;padding:22px;color:#fff;isolation:isolate}
.art::before{content:attr(data-inicial);position:absolute;right:-4%;top:-18%;font-family:var(--display);font-weight:800;font-size:clamp(160px,42%,340px);line-height:1;letter-spacing:-.06em;color:rgba(255,255,255,.14);z-index:-1}
.art__marks{position:absolute;left:18px;top:16px;display:flex;gap:6px}.art__marks i{width:12px;height:12px;border-radius:50%;display:block}
.art__name{font-family:var(--display);font-weight:800;font-size:clamp(1.4rem,3vw,2.2rem);line-height:1.05;letter-spacing:-.02em;max-width:12ch}.art__cat{display:block;font:600 12px var(--ui);letter-spacing:.08em;text-transform:uppercase;opacity:.85;margin-bottom:8px}
.art__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1}
.art.has-img::before{display:none}.art.has-img::after{content:"";position:absolute;inset:auto 0 0 0;height:62%;background:linear-gradient(180deg,transparent,rgba(29,29,27,.72));z-index:-1}
.art.has-img .art__marks,.art.has-img>div,.art.has-img::after{display:none}
.item__art{overflow:hidden}.item__art img{width:100%;height:100%;object-fit:cover;display:block}
.cat-nav{display:flex;gap:8px;flex-wrap:wrap;margin:var(--sp-4) 0 var(--sp-5)}.cat-nav a{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--g200);border-radius:999px;background:#fff;color:var(--tinta);text-decoration:none;font:600 14px var(--ui)}.cat-nav a small{font-weight:600;color:var(--g500);font-size:12px}.cat-nav a:hover{border-color:var(--azul);color:var(--azul)}
.cat-sec{margin-bottom:var(--sp-6);scroll-margin-top:90px}.cat-sec__t{font-size:var(--fs-3);margin:0 0 var(--sp-3);padding-top:var(--sp-2);border-top:1px solid var(--g200)}
.prod__art.art{aspect-ratio:4/3;font-size:unset}.pcard__art.art{aspect-ratio:4/3;font-size:unset}.pcard__art .art__name{font-size:1.3rem}