/* ============================================================
   Catálogo interactivo — hereda TODOS los tokens de style.css
   (navy #061a2f, Inter, radios 22/28, píldoras). Este archivo solo
   agrega lo que la portada no tiene: barra de filtros pegajosa,
   tarjetas de segmento, chips de producto y la bandeja de selección.
   ⚠️ Cargar SIEMPRE después de style.css.
   ============================================================ */

/* La nav de la portada es transparente porque flota sobre el hero a
   pantalla completa. Aquí no hay hero, así que va sólida desde el
   primer píxel: sin esto el logo blanco queda sobre fondo blanco. */
.nav.solid{background:var(--navy)}
.nav.solid.scrolled{background:rgba(4,19,35,.94)}

.cat-head{background:var(--navy);color:#fff;padding:146px 0 54px}
.cat-head h1{font-size:clamp(44px,6vw,78px);letter-spacing:-3px;margin:14px 0 20px;max-width:15ch}
.cat-head .lead{color:rgba(255,255,255,.7);max-width:660px}
.cat-head .back{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;
  font-size:14px;color:rgba(255,255,255,.72);transition:.2s
}
.cat-head .back:hover{color:#fff;gap:12px}

/* ---------- barra de filtros ---------- */
.toolbar{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding:16px 0;
}
.toolbar-inner{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.search{position:relative;flex:1 1 300px;min-width:240px}
.search input{
  width:100%;padding:14px 44px 14px 44px;border-radius:999px;
  border:1px solid var(--line);background:var(--soft);transition:.2s
}
.search input:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(24,116,221,.10)}
.search .icon{position:absolute;left:17px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search .clear{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  border:0;background:transparent;color:var(--muted);cursor:pointer;
  padding:8px 10px;border-radius:50%;line-height:1;display:none
}
.search .clear:hover{background:var(--line);color:var(--ink)}
.search.has-value .clear{display:block}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:11px 16px;border-radius:999px;font-size:13px;font-weight:600;
  cursor:pointer;transition:.2s;white-space:nowrap
}
.chip:hover{border-color:#b9cadb;transform:translateY(-1px)}
.chip[aria-pressed="true"]{background:var(--navy);color:#fff;border-color:var(--navy)}
.chip .n{opacity:.55;margin-left:6px;font-weight:500}

.result-line{font-size:13px;color:var(--muted);padding:12px 0 0;width:100%}
.result-line b{color:var(--ink)}

/* ---------- conmutador de eje ---------- */
.axis{display:inline-flex;background:var(--soft);border:1px solid var(--line);
  border-radius:999px;padding:3px;gap:2px}
.axis-btn{
  border:0;background:transparent;font:inherit;font-size:13px;font-weight:600;
  color:var(--muted);padding:8px 16px;border-radius:999px;cursor:pointer;white-space:nowrap
}
.axis-btn:hover{color:var(--ink)}
/* ⛔ El activo NO va con fondo blanco sobre la pista clara: se lee como apagado.
   Va con el mismo lenguaje que el activo del riel, que sí contrasta. */
.axis-btn[aria-pressed="true"]{background:var(--ice);color:var(--blue)}

/* ---------- buscador: riel + rejilla ---------- */
.finder{display:grid;grid-template-columns:250px 1fr;gap:26px;margin-top:34px;align-items:start}
@media(max-width:860px){.finder{grid-template-columns:1fr;gap:16px}}

.rail{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  padding:16px 12px;position:sticky;top:96px;max-height:calc(100vh - 130px);overflow-y:auto
}
@media(max-width:860px){.rail{position:static;max-height:230px}}
.rail-h{font-size:11px;letter-spacing:1.6px;text-transform:uppercase;font-weight:800;
  color:var(--blue);padding:4px 12px 10px;margin:0}
.rail button{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:10px;
  border:0;background:transparent;font:inherit;font-size:13.5px;color:var(--muted);
  padding:8px 12px;border-radius:12px;cursor:pointer;text-align:left;line-height:1.35
}
.rail button:hover{background:var(--soft);color:var(--ink)}
.rail button[aria-pressed="true"]{background:var(--ice);color:var(--blue);font-weight:700}
.rail .c{font-variant-numeric:tabular-nums;font-size:12px;opacity:.7;flex:none}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:11px;
  margin:0;padding:0;list-style:none}
.item{
  position:relative;width:100%;border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:16px;padding:14px 15px;cursor:pointer;text-align:left;
  display:flex;flex-direction:column;gap:5px;transition:.16s ease
}
.item:hover{border-color:var(--blue);transform:translateY(-1px);box-shadow:0 10px 24px rgba(20,48,75,.08)}
.item[aria-pressed="true"]{border-color:var(--blue);background:var(--ice)}
.item .nm{font-weight:650;font-size:14px;line-height:1.3;padding-right:26px}
.item .fam{font-size:11px;letter-spacing:.4px;color:var(--muted)}
.item .meta{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.item .chk{font-size:10.5px;color:#9a6410}
.item .add{
  position:absolute;top:11px;right:12px;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;font-size:14px;
  line-height:1;color:var(--blue);background:#fff;font-weight:700
}
.item[aria-pressed="true"] .add{background:var(--blue);border-color:var(--blue);color:#fff}
.item mark{background:#ffe9a8;color:inherit;border-radius:3px;padding:0 1px}

.empty{
  text-align:center;padding:70px 20px;color:var(--muted);
  border:1px dashed var(--line);border-radius:var(--radius)
}
.empty strong{display:block;font-size:20px;color:var(--ink);margin-bottom:8px}
.empty button{
  margin-top:18px;border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:11px 18px;cursor:pointer;font-weight:600
}

/* ---------- ficha de producto ---------- */
/* ⛔ Por encima de la nav (z-index:100) y de la bandeja (80). Con 70 el modal
   quedaba DEBAJO de la barra fija y su título se veía tapado: lo primero que
   leía el visitante era «También conocido como», sin saber de qué producto. */
.sheet{position:fixed;inset:0;background:rgba(6,26,47,.5);z-index:120;display:none}
.sheet[data-open="1"]{display:block}
.sheet-in{
  position:absolute;right:0;top:0;bottom:0;width:min(430px,100%);background:#fff;
  padding:28px;overflow-y:auto;box-shadow:-20px 0 60px rgba(6,26,47,.2)
}
.sheet-close{
  position:absolute;top:20px;right:22px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--muted);font-size:14px
}
.sheet-fam{font-size:11px;letter-spacing:1.6px;text-transform:uppercase;font-weight:800;
  color:var(--blue);margin:0}
.sheet h3{font-size:26px;letter-spacing:-.8px;margin:6px 0 0;padding-right:40px;line-height:1.15}
.sheet-also{font-size:13px;color:var(--muted);margin:8px 0 0}
.sheet-dl{display:grid;grid-template-columns:112px 1fr;gap:10px 14px;margin:22px 0;font-size:13.5px}
.sheet-dl dt{font-size:10.5px;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);padding-top:3px}
.sheet-dl dd{margin:0}
.sheet-dl .mono{font-variant-numeric:tabular-nums;letter-spacing:.3px}
.chipset{display:flex;flex-wrap:wrap;gap:6px}
.chip2{font-size:11.5px;background:var(--soft);border:1px solid var(--line);color:var(--muted);
  padding:3px 10px;border-radius:999px}
.copylink{border:0;background:transparent;padding:0;font:inherit;font-size:12.5px;
  color:var(--blue);cursor:pointer;text-align:left;text-decoration:underline;word-break:break-all}
.sheet-add{
  width:100%;border:0;background:var(--navy);color:#fff;font:inherit;font-weight:700;
  font-size:14px;padding:14px;border-radius:999px;cursor:pointer
}
.sheet-add:hover{background:var(--blue)}
.sheet-note{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.5}

/* ---------- bandeja de selección ---------- */
.tray{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--navy);color:#fff;
  box-shadow:0 -12px 40px rgba(3,17,32,.28);
  transform:translateY(105%);transition:transform .35s cubic-bezier(.2,.7,.2,1);
  padding:15px 0
}
.tray.open{transform:none}
.tray-inner{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.tray-count{font-size:14px;flex:1 1 auto;min-width:180px}
.tray-count b{font-size:20px;letter-spacing:-.5px}
.tray-actions{display:flex;gap:10px;flex-wrap:wrap}
.tray .btn{padding:12px 20px;font-size:14px}
.tray .btn.primary{background:#fff;color:var(--navy);border-color:#fff}

/* ---------- formulario ---------- */
.quote-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.picked{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:22px;padding:20px 22px;margin-top:26px
}
.picked h4{margin:0 0 12px;font-size:13px;letter-spacing:1.6px;text-transform:uppercase;color:#93b4d4}
.picked ul{margin:0;padding-left:18px;color:rgba(255,255,255,.82);font-size:14px;line-height:1.75}
.picked .none{color:rgba(255,255,255,.5);font-size:14px;margin:0}
.picked button{
  margin-top:14px;background:transparent;border:1px solid rgba(255,255,255,.3);
  color:rgba(255,255,255,.8);border-radius:999px;padding:8px 15px;font-size:13px;cursor:pointer
}
.picked button:hover{background:rgba(255,255,255,.1);color:#fff}

.credits{font-size:12px;color:rgba(255,255,255,.4);margin-top:8px}
.credits a{text-decoration:underline;text-underline-offset:2px}

@media(max-width:980px){
  .segments{grid-template-columns:repeat(2,1fr)}
  .quote-wrap{grid-template-columns:1fr;gap:34px}
}
@media(max-width:700px){
  .segments{grid-template-columns:1fr}
  .cat-head{padding:118px 0 40px}
  .toolbar{padding:12px 0}
  .chips{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .tray-inner{gap:12px}
  .tray-actions{width:100%}
  .tray .btn{flex:1}
}