/* ericson-site.css · sistema visual compartido con ericson-laboratoire.com.mx
   (papel y tinta, Bodoni Moda + IBM Plex, un solo acento óxido) */
:root{
  --paper:#F3F1EC; --paper-2:#EAE6DE; --white:#FFFFFF;
  --ink:#121212; --ink-2:#3E3D3A; --mute:#76736C;
  --line:rgba(18,18,18,.14); --line-strong:rgba(18,18,18,.32);
  --oxide:#8C3B1F; --oxide-soft:#F1E3DB;
  --serif:'Bodoni Moda','Didot',Georgia,serif;
  --sans:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
  --wrap:1240px; --gut:clamp(16px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--oxide);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase}
[hidden]{display:none!important}

/* barra */
.bar{background:var(--ink);color:#EDEAE3;font-size:13px}
.bar .wrap{display:flex;gap:14px;align-items:center;justify-content:center;min-height:40px;text-align:center}
.bar a{color:#fff;text-underline-offset:3px}
.bar .dot{width:6px;height:6px;border-radius:50%;background:#D9795A;flex:none}
@media (max-width:560px){.bar .long{display:none}}
@media (min-width:561px){.bar .short{display:none}}

/* nav */
header.nav{position:sticky;top:0;z-index:40;background:rgba(243,241,236,.94);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1}
.brand b{font-family:var(--sans);font-weight:600;font-size:17px;letter-spacing:.24em}
.brand span{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--mute);margin-top:6px}
.nav nav{display:flex;gap:28px;font-size:14px}
.nav nav a{text-decoration:none;color:var(--ink-2)}
.nav nav a:hover,.nav nav a[aria-current]{color:var(--ink)}
.nav nav a[aria-current]{text-decoration:underline;text-underline-offset:6px}
@media (max-width:980px){.nav nav{display:none}}

/* botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 22px;border:1px solid var(--ink);background:var(--ink);color:#fff;text-decoration:none;font-size:14px;font-weight:500;cursor:pointer;transition:background .2s,color .2s;white-space:nowrap}
.btn:hover{background:#000}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.sm{height:40px;padding:0 16px;font-size:13px}
.btn[disabled]{opacity:.35;cursor:default;pointer-events:none}
.btn .arr{font-family:var(--mono)}

/* encabezado de página */
.phead{border-bottom:1px solid var(--line)}
.phead .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end;padding-top:56px;padding-bottom:40px}
.kicker{display:flex;gap:14px;align-items:center;flex-wrap:wrap;color:var(--ink-2)}
.kicker i{font-style:normal;padding:4px 8px;border:1px solid var(--line-strong)}
h1{font-family:var(--serif);font-weight:400;font-size:clamp(40px,5.4vw,72px);line-height:1.02;letter-spacing:-.015em;margin-top:22px;text-wrap:balance}
h1 em{font-style:italic}
.lede{font-size:18px;line-height:1.55;color:var(--ink-2);max-width:34em;margin-top:20px}
.specs{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.specs div{padding:18px 16px 0 0;min-width:0}
.specs div+div{padding-left:16px;border-left:1px solid var(--line)}
.specs strong{display:block;font-family:var(--serif);font-weight:400;font-size:30px;line-height:1}
.specs span{display:block;font-size:13px;color:var(--mute);margin-top:8px;line-height:1.35}

/* herramientas de filtro */
.tools{position:sticky;top:68px;z-index:30;background:var(--paper);border-bottom:1px solid var(--line)}
.tools .wrap{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;padding-top:14px;padding-bottom:14px}
.search{position:relative;flex:1 1 280px;max-width:420px}
.search input{width:100%;height:46px;border:1px solid var(--line-strong);background:var(--white);padding:0 14px 0 40px;font-size:15px;border-radius:0;-webkit-appearance:none;appearance:none}
.search input:focus{outline:none;border-color:var(--ink)}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--mute);fill:none;stroke-width:1.6}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{height:36px;padding:0 12px;border:1px solid var(--line-strong);background:transparent;color:var(--ink-2);font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}

/* secciones de tarjetas */
.sect{padding:40px 0 8px}
.sect-h{display:flex;justify-content:space-between;align-items:baseline;gap:16px;border-bottom:1px solid var(--ink);padding-bottom:10px;margin-bottom:20px}
.sect-h h2{font-family:var(--serif);font-weight:400;font-size:clamp(24px,3vw,32px);line-height:1.1}
.sect-h span{color:var(--mute)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{all:unset;box-sizing:border-box;cursor:pointer;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);min-width:0;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--ink);transform:translateY(-2px)}
.card:focus-visible{outline:2px solid var(--oxide);outline-offset:2px}
.card .ph{position:relative;aspect-ratio:4/3;background:var(--paper-2);overflow:hidden;border-bottom:3px solid var(--c,var(--ink))}
.card .ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 35%}
.card .ph.type{display:flex;flex-direction:column;justify-content:flex-end;padding:16px}
.card .ph.type b{font-family:var(--serif);font-weight:400;font-size:56px;line-height:1;color:var(--c,var(--ink))}
.card .bd{padding:16px 16px 18px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.card h3{font-family:var(--serif);font-weight:400;font-size:22px;line-height:1.12}
.card p{font-size:14px;line-height:1.45;color:var(--ink-2)}
.card .meta{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--mute);text-transform:uppercase}
.card .meta b{font-weight:500;color:var(--ink)}
.empty{padding:40px 0;color:var(--mute)}

/* ficha / detalle */
.detail .wrap{display:grid;grid-template-columns:380px 1fr;gap:48px;padding-top:32px;padding-bottom:64px;align-items:start}
.back{all:unset;cursor:pointer;display:inline-flex;gap:8px;align-items:center;font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);margin-bottom:18px}
.back:hover{color:var(--ink)}
.aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;min-width:0}
.aside .ph{aspect-ratio:4/3;background:var(--paper-2);overflow:hidden;border-bottom:3px solid var(--c,var(--ink))}
.aside .ph img{width:100%;height:100%;object-fit:cover;object-position:50% 35%}
.aside .ph.type{display:flex;align-items:flex-end;padding:20px}
.aside .ph.type b{font-family:var(--serif);font-weight:400;font-size:72px;line-height:1;color:var(--c,var(--ink))}
.aside h2{font-family:var(--serif);font-weight:400;font-size:clamp(32px,3.6vw,44px);line-height:1.05}
.aside .tag{color:var(--ink-2);font-size:15px;margin-top:6px}
.kv{border-top:1px solid var(--line)}
.kv div{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);padding-top:3px}
.kv dd{color:var(--ink-2);min-width:0}
.mini-specs{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:var(--white)}
.mini-specs div{padding:12px;min-width:0}
.mini-specs div+div{border-left:1px solid var(--line)}
.mini-specs strong{display:block;font-family:var(--serif);font-weight:400;font-size:26px;line-height:1}
.mini-specs span{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);margin-top:6px}
.actions{display:flex;flex-direction:column;gap:8px}
.actions .btn{width:100%}

/* pasos */
.steplist{list-style:none;border-top:1px solid var(--line)}
.steplist li button{all:unset;box-sizing:border-box;cursor:pointer;display:grid;grid-template-columns:28px 1fr auto;gap:10px;width:100%;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.steplist li button:hover{color:var(--ink)}
.steplist li button[aria-current="step"]{color:var(--ink);font-weight:600}
.steplist .n{font-family:var(--mono);font-size:11px;color:var(--mute);padding-top:2px}
.steplist button[aria-current="step"] .n{color:var(--oxide)}
.steplist .m{font-family:var(--mono);font-size:11px;color:var(--mute);padding-top:2px}
.main{min-width:0}
.progress{height:2px;background:var(--line);margin-bottom:28px}
.progress i{display:block;height:100%;background:var(--oxide);transition:width .3s}
.step-head{display:flex;gap:24px;align-items:flex-start;border-bottom:1px solid var(--ink);padding-bottom:22px}
.step-num{font-family:var(--serif);font-weight:400;font-size:clamp(64px,8vw,104px);line-height:.85;color:var(--oxide);font-variant-numeric:tabular-nums}
.step-head h3{font-family:var(--serif);font-weight:400;font-size:clamp(28px,3.4vw,40px);line-height:1.08;text-wrap:balance}
.step-head .mono{color:var(--mute);margin-top:10px;display:block}
.step-txt{font-size:18px;line-height:1.65;color:var(--ink-2);max-width:40em;padding:24px 0}
.prods{border-top:1px solid var(--line);padding-top:18px}
.prods>.mono{color:var(--mute);display:block;margin-bottom:12px}
.prod{display:grid;grid-template-columns:72px 1fr;gap:16px;padding:14px 16px;background:var(--white);border:1px solid var(--line)}
.prod+.prod{margin-top:8px}
.prod .sku{font-family:var(--mono);font-size:12px;color:var(--oxide);padding-top:3px}
.prod b{display:block;font-weight:500;font-size:16px}
.prod p{font-size:14px;color:var(--ink-2);margin-top:4px;line-height:1.5}
.prod p strong{font-weight:600;color:var(--ink)}
.stepnav{display:flex;justify-content:space-between;gap:10px;margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}

/* tarjetas de producto (productos para casa) */
.plist{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pcard{background:var(--white);border:1px solid var(--line);padding:22px;display:flex;flex-direction:column;gap:10px;min-width:0}
.pcard .top{display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.pcard .sku{font-family:var(--mono);font-size:12px;color:var(--oxide)}
.pcard .size{font-family:var(--mono);font-size:11px;color:var(--mute);text-transform:uppercase;letter-spacing:.04em}
.pcard h4{font-family:var(--serif);font-weight:400;font-size:24px;line-height:1.12}
.pcard .desc{color:var(--ink-2);font-size:15px}
.pcard dl{border-top:1px solid var(--line);margin-top:4px}
.pcard dl div{padding:10px 0;border-bottom:1px solid var(--line)}
.pcard dl div:last-child{border-bottom:0}
.pcard dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--mute);margin-bottom:4px}
.pcard dd{font-size:14px;color:var(--ink-2);line-height:1.55}
.pcard dd strong{color:var(--ink);font-weight:600}
.pcard .tip{background:var(--oxide-soft);padding:12px 14px;font-size:14px;line-height:1.5}
.pcard .tip b{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--oxide);display:block;margin-bottom:4px;font-weight:500}

/* resumen WhatsApp */
.wa .wrap{max-width:760px;padding-top:32px;padding-bottom:64px}
.wa h2{font-family:var(--serif);font-weight:400;font-size:clamp(30px,3.6vw,42px);line-height:1.08;margin-top:4px}
.wa p.sub{color:var(--ink-2);margin-top:8px}
.wa pre{white-space:pre-wrap;word-break:break-word;font-family:var(--sans);font-size:15px;line-height:1.6;background:var(--white);border:1px solid var(--line);padding:22px;margin-top:22px}
.wa .row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* pie */
footer.foot{background:var(--ink);color:#C9C6BF;margin-top:64px}
footer.foot .wrap{padding-top:48px;padding-bottom:32px}
.fcols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.fcols>*{min-width:0}
footer.foot .brand b{color:#fff}
footer.foot .brand span{color:#9C998F}
footer.foot h4{font-family:var(--mono);font-weight:500;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#fff;margin-bottom:12px}
footer.foot ul{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px}
footer.foot a{text-decoration:none}
footer.foot a:hover{color:#fff}
footer.foot p{font-size:14px;line-height:1.55}
.legal{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;font-size:12px;color:#9C998F}

.screen{display:none}
.screen.active{display:block}

@media (max-width:1100px){.cards{grid-template-columns:repeat(3,1fr)}}
@media (max-width:980px){
  .phead .wrap{grid-template-columns:1fr;gap:28px;padding-top:40px}
  .detail .wrap{grid-template-columns:1fr;gap:28px}
  .aside{position:static}
  .aside .ph{aspect-ratio:16/9}
  .fcols{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .cards{grid-template-columns:1fr 1fr;gap:10px}
  .card h3{font-size:18px}
  .card p{display:none}
  .card .meta{flex-direction:column;gap:2px}
  .plist{grid-template-columns:1fr}
  .tools{top:68px}
  .search{max-width:none}
  .step-txt{font-size:16px}
  .steplist{display:none}
  .stepnav .btn{flex:1}
  .aside .ph{aspect-ratio:21/9}
  .bar .wrap{font-size:12.5px}
}
@media (max-width:420px){.fcols{grid-template-columns:1fr}.specs strong{font-size:24px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}