/* =============================================================
   1. Tokens — sistema "T1 Energy": plano de fábrica sobre vellum cálido
   ============================================================= */
:root {
  color-scheme: light;

  /* Paleta: casi sin color — vellum, blanco, carbón cálido, ónix */
  --color-vellum: #f0efe9;
  --color-paper-white: #ffffff;
  --color-carbon-warm: #322d2a;
  --color-onyx-depth: #0f0e12;
  --color-mercury: #8b8b8b;

  --bg: var(--color-vellum);
  --surface: var(--color-paper-white);
  --ink: var(--color-carbon-warm);
  --ink-2: #67615c;            /* carbón aclarado para texto secundario legible */
  --ink-3: var(--color-mercury);
  --line: var(--color-carbon-warm);
  --line-soft: rgba(50, 45, 42, 0.16);
  --line-mid: rgba(50, 45, 42, 0.32);
  --hover: rgba(50, 45, 42, 0.06);

  /* Tipografía: una sola familia, pesos 300 y 400 */
  --sans: "Inter", "Söhne", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --w-light: 300;
  --w-regular: 400;
  --track: 0.01em;

  /* Radios: generosos, nunca por debajo de 8px */
  --radius-small: 8px;
  --radius-body: 12px;
  --radius-nav: 16px;
  --radius-cards: clamp(32px, 6vw, 80px);
  --radius-pill: 100px;

  /* Layout */
  --page-max: 1200px;
  --section-gap: clamp(60px, 9vw, 120px);
  --card-padding: 22px;
  --gutter: clamp(16px, 4vw, 36px);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* =============================================================
   2. Reset & base
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 100px; background: var(--bg); }
body {
  font-family: var(--sans); font-size: 16px; line-height: 1.4; letter-spacing: var(--track); font-weight: var(--w-regular);
  color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: clip;
  padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px);
}
img, svg { display: block; max-width: 100%; }
button, input, select { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; }
a { color: inherit; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; font-weight: var(--w-light); color: var(--ink); letter-spacing: var(--track); }
strong { font-weight: var(--w-regular); color: var(--ink); }
em { font-style: normal; }
[hidden] { display: none !important; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 3px; border-radius: var(--radius-small); }
::selection { background: var(--color-carbon-warm); color: var(--color-vellum); }

.voz { color: var(--ink); }

/* =============================================================
   3. Utilidades
   ============================================================= */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: fixed; top: -100px; left: 1rem; padding: 12px 22px; background: var(--ink); color: var(--color-paper-white); z-index: 99; border-radius: var(--radius-pill); font-size: 14px; text-decoration: none; }
.skip-link:focus { top: 1rem; }
.muted { color: var(--ink-3); }
.small { font-size: 12px; line-height: 1.3; }
main, .site-footer { width: min(100%, var(--page-max)); margin-inline: auto; padding-inline: var(--gutter); }

/* Barra de aviso: nota discreta sobre el vellum */
.anuncio { color: var(--ink-3); font-size: 12px; line-height: 1.3; text-align: center; padding: 12px var(--gutter) 0; }
.anuncio strong { color: var(--ink); }

/* Etiqueta de sección: cuadrito de 4px + mayúsculas */
.eyebrow { font-size: 12px; line-height: 1.3; font-weight: var(--w-regular); text-transform: uppercase; letter-spacing: .12em; color: var(--ink); margin-bottom: 24px; display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 4px; height: 4px; background: var(--ink); flex: 0 0 auto; }

/* =============================================================
   4. Header (píldora flotante) & hero
   ============================================================= */
.site-header { position: sticky; top: 12px; z-index: 50; padding-inline: var(--gutter); margin-top: 12px; }
.site-header-inner {
  width: 100%; max-width: calc(var(--page-max) - 2 * var(--gutter)); margin-inline: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 64px; padding: 12px 16px 12px 24px;
  background: var(--color-carbon-warm); color: var(--color-paper-white); border-radius: var(--radius-nav);
}
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: var(--w-regular); font-size: 14px; color: var(--color-paper-white); }
.logo svg { color: var(--color-paper-white); width: 26px; height: 26px; }
.site-header nav { display: none; gap: 4px; font-size: 14px; }
.site-header nav a { text-decoration: none; color: rgba(255, 255, 255, .78); padding: 8px 12px; border-radius: var(--radius-small); transition: color .2s, background .2s; }
.site-header nav a:hover { color: var(--color-paper-white); background: rgba(255, 255, 255, .08); }
@media (min-width: 720px) { .site-header nav { display: flex; gap: 12px; } }

.hero { padding-block: clamp(60px, 11vw, 120px) clamp(36px, 5vw, 60px); }
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem); line-height: 1; letter-spacing: var(--track); font-weight: var(--w-light);
  color: var(--ink); max-width: 17ch;
}
.lead { margin-top: 24px; color: var(--ink-2); max-width: 56ch; font-size: clamp(16px, 1.6vw, 18px); line-height: 1.45; font-weight: var(--w-light); }
.lead strong { color: var(--ink); font-weight: var(--w-regular); }

/* Tira de marcas: franja deslizante con el nombre de cada marca del catálogo */
.marcas-tira {
  position: relative; overflow: hidden;
  padding: 16px 0; border-top: 1px solid var(--line-mid); border-bottom: 1px solid var(--line-mid);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
          mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent);
}
.marcas-tira-track { display: flex; width: max-content; animation: marcas-scroll 90s linear infinite; }
.marcas-tira-track span {
  display: inline-flex; align-items: center; gap: 18px; padding: 0 18px;
  font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-2); white-space: nowrap;
}
.marcas-tira-track span::after { content: ""; width: 4px; height: 4px; background: var(--line-mid); }
.marcas-tira:hover .marcas-tira-track { animation-play-state: paused; }
@keyframes marcas-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .marcas-tira-track { animation: none; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .marcas-tira { overflow-x: auto; scrollbar-width: none; }
  .marcas-tira::-webkit-scrollbar { display: none; }
}

/* =============================================================
   5. Tarjeta de la herramienta
   ============================================================= */
.tool-card {
  margin-top: clamp(36px, 5vw, 60px);
  background: var(--surface); border-radius: var(--radius-nav);
  padding: clamp(16px, 2.4vw, 28px); scroll-margin-top: 96px;
}
.noscript { padding: 16px var(--card-padding); background: var(--bg); border-radius: var(--radius-body); }

.searchbar { position: relative; }
.search-ico { position: absolute; left: 22px; top: 50%; transform: translateY(-50%); color: var(--ink); pointer-events: none; }
#q {
  width: 100%; padding: 18px 22px 18px 54px; font-size: 17px; font-weight: var(--w-light); color: var(--ink);
  border: 1px solid var(--line-mid); border-radius: var(--radius-pill); background: var(--bg); outline: none;
  transition: border-color .2s, background .2s;
}
#q::placeholder { color: var(--ink-3); }
#q:hover { border-color: var(--ink); }
#q:focus { border-color: var(--ink); background: var(--color-paper-white); }

.sugerencias, .populares { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 16px; }
.sug-label { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); margin-right: 4px; display: inline-flex; align-items: center; gap: 8px; }
.sug-label::before { content: ""; width: 4px; height: 4px; background: var(--ink-3); }
.populares { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; scrollbar-width: none; }
.populares::-webkit-scrollbar { display: none; }
.populares .chip { flex: 0 0 auto; }
@media (min-width: 720px) { .populares { flex-wrap: wrap; overflow: visible; } }

/* Chip = píldora con filete; activo = carbón */
.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border: 1px solid var(--line-mid); border-radius: var(--radius-pill);
  background: transparent; color: var(--ink); font-size: 14px; line-height: 1.3; transition: border-color .2s, background .2s;
}
.chip:hover { border-color: var(--ink); }
.chip-on { background: var(--ink); border-color: var(--ink); color: var(--color-paper-white); }
.chip-on:hover { background: var(--color-onyx-depth); }
.cnt { font-size: 12px; color: var(--ink-3); padding: 0 2px; font-variant-numeric: tabular-nums; }
.chip-on .cnt { color: rgba(255, 255, 255, .6); }

.filtros-toggle { margin-top: 16px; padding: 14px 22px; border: 1px solid var(--ink); border-radius: var(--radius-pill); background: transparent; color: var(--ink); font-size: 14px; width: 100%; text-align: left; }
.filtros-toggle::after { content: "+"; float: right; }
.filtros-toggle[aria-expanded="true"]::after { content: "−"; }
.layout { display: block; margin-top: 24px; }
.filtros { display: none; margin-bottom: 16px; padding: var(--card-padding); border-radius: var(--radius-body); background: var(--bg); }
.filtros.open { display: block; }
.f-group + .f-group { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--line-soft); }
.f-title { font-size: 12px; font-weight: var(--w-regular); text-transform: uppercase; letter-spacing: .12em; color: var(--ink); margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.f-title::before { content: ""; width: 4px; height: 4px; background: var(--ink); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
/* En la columna de filtros los chips se apilan como filas, no como píldoras de dos líneas */
.filtros .chips { gap: 2px; }
.filtros .chip { width: 100%; justify-content: space-between; text-align: left; border-color: transparent; border-radius: var(--radius-small); padding: 7px 10px; }
.filtros .chip:hover { border-color: transparent; background: var(--hover); }
.filtros .chip-on, .filtros .chip-on:hover { background: var(--ink); }
.checks { display: flex; flex-direction: column; gap: 1px; }
.check { display: flex; align-items: center; gap: 10px; padding: 6px 10px; border-radius: var(--radius-small); font-size: 14px; cursor: pointer; transition: background .2s; }
.check:hover { background: var(--hover); }
.check input { width: 16px; height: 16px; accent-color: var(--color-carbon-warm); flex: 0 0 auto; }
.check span:first-of-type { flex: 1; }
.link-btn { background: none; border: 0; padding: 4px 2px; color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-mid); text-decoration-thickness: 1px; text-underline-offset: 4px; font-size: 14px; text-align: left; transition: text-decoration-color .2s; }
.link-btn:hover { text-decoration-color: var(--ink); }

@media (min-width: 960px) {
  .filtros-toggle { display: none; }
  .layout { display: grid; grid-template-columns: 260px 1fr; gap: 36px; align-items: start; }
  .filtros { display: block; margin: 0; position: sticky; top: 100px; max-height: calc(100vh - 112px); overflow: auto; scrollbar-width: thin; scrollbar-color: var(--line-mid) transparent; }
}

.res-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 16px; }
.conteo { font-size: 22px; font-weight: var(--w-light); line-height: 1.3; font-variant-numeric: tabular-nums; }
.orden { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); display: inline-flex; align-items: center; gap: 10px; }
.orden select, .dist-filtros select {
  padding: 10px 38px 10px 18px; border: 1px solid var(--line-mid); border-radius: var(--radius-pill); background-color: transparent; color: var(--ink); font-size: 14px;
  text-transform: none; letter-spacing: var(--track);
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23322d2a' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
  transition: border-color .2s;
}
.orden select:hover, .dist-filtros select:hover, .orden select:focus, .dist-filtros select:focus { outline: none; border-color: var(--ink); }
.activos { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 12px; }

/* Tarjetas de resultado: blanco → vellum, sin sombra */
.cards { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1200px) { .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.card article {
  height: 100%; display: flex; flex-direction: column; gap: 6px; padding: var(--card-padding); border-radius: var(--radius-body);
  background: var(--bg); border: 1px solid transparent; transition: border-color .25s var(--ease-out);
}
.card article:hover { border-color: var(--ink); }
.card-type { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); line-height: 1.3; }
.card-title { font-size: 22px; line-height: 1.2; font-weight: var(--w-light); margin-top: 4px; }
.card-brand { font-size: 14px; color: var(--ink); }
.card-brand.muted { color: var(--ink-3); }
.card-desc { font-size: 14px; line-height: 1.4; color: var(--ink-2); flex: 1; margin-top: 4px; }
.card .btn { width: 100%; white-space: nowrap; padding: 16px 12px; font-size: 13px; }
.tags { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }
.tags li { font-size: 12px; padding: 3px 10px; border-radius: var(--radius-pill); border: 1px solid var(--line-mid); color: var(--ink-2); }

/* Botones: píldora carbón rellena + píldora fantasma, pareja idéntica en geometría */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; margin-top: 16px; padding: 18px 22px;
  border: 1px solid var(--ink); border-radius: var(--radius-pill); background: var(--ink); color: var(--color-paper-white);
  font-weight: var(--w-regular); font-size: 14px; line-height: 1; text-decoration: none; text-align: center; transition: background .2s, border-color .2s;
}
.btn:hover { background: var(--color-onyx-depth); border-color: var(--color-onyx-depth); }
.btn-sec {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 14px 22px; border: 1px solid var(--ink); border-radius: var(--radius-pill);
  background: transparent; color: var(--ink); font-weight: var(--w-regular); font-size: 14px; line-height: 1; text-decoration: none; transition: background .2s, color .2s;
}
.btn-sec:hover { background: var(--ink); color: var(--color-paper-white); }
.mas { display: flex; margin: 36px auto 0; }

.empty { margin-top: 12px; padding: var(--card-padding); border-radius: var(--radius-body); background: var(--bg); display: grid; gap: 8px; justify-items: start; }

/* =============================================================
   6. Detalle y distribuidores
   ============================================================= */
.back { background: none; border: 0; padding: 6px 0; color: var(--ink); font-size: 14px; text-decoration: underline; text-decoration-color: var(--line-mid); text-underline-offset: 4px; }
.back:hover { text-decoration-color: var(--ink); }
.det-head { display: grid; gap: 8px; margin-top: 16px; }
#det-titulo { font-size: clamp(2.2rem, 5vw, 3.25rem); line-height: 1; font-weight: var(--w-light); color: var(--ink); outline: none; }
.aviso { padding: 16px var(--card-padding); border-radius: var(--radius-body); background: var(--bg); font-size: 14px; color: var(--ink-2); }
.det-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 8px; }
.det-actions .btn, .det-actions .btn-sec { margin-top: 0; }
.det-sub { font-size: clamp(1.6rem, 3vw, 2rem); line-height: 1.2; font-weight: var(--w-light); margin: 48px 0 16px; }
.dist-filtros { display: flex; flex-wrap: wrap; gap: 12px; }
.dist-filtros label { display: grid; gap: 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); min-width: min(100%, 220px); }
.dist-list { list-style: none; padding: 0; display: grid; gap: 8px; margin-top: 16px; }
@media (min-width: 720px) { .dist-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.dist { min-width: 0; overflow-wrap: anywhere; padding: var(--card-padding); border-radius: var(--radius-body); background: var(--bg); display: grid; gap: 6px; align-content: start; color: var(--ink-2); font-size: 14px; }
.dist-top { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 4px; }
.dist h4 { font-size: 22px; line-height: 1.3; font-weight: var(--w-light); margin-right: auto; }
.dist-logo { height: 26px; width: auto; max-width: 110px; object-fit: contain; display: block; background: var(--color-paper-white); border-radius: var(--radius-small); padding: 6px 10px; box-sizing: content-box; }
.badge-ok, .badge-warn { font-size: 12px; padding: 4px 12px; border-radius: var(--radius-pill); white-space: nowrap; }
.badge-ok { background: var(--ink); color: var(--color-paper-white); }
.badge-ok::before { content: "✓ "; }
.badge-warn { background: transparent; color: var(--ink-2); border: 1px dashed var(--line-mid); }
.dist-no-verif { background: transparent; border: 1px dashed var(--line-mid); }
.dist-line { font-size: 14px; }
.dist-line a { color: var(--ink); text-decoration-color: var(--line-mid); text-underline-offset: 4px; transition: text-decoration-color .2s; }
.dist-line a:hover { text-decoration-color: var(--ink); }
.dist-nota { font-size: 12px; line-height: 1.4; color: var(--ink-3); }
.dist-actions { margin-top: 8px; }
.dist-sucursal { padding-top: 12px; margin-top: 6px; border-top: 1px solid var(--line-soft); display: grid; gap: 4px; }
.dist-sucursal:first-of-type { border-top: none; padding-top: 0; }
.dist-sucursal-titulo { font-size: 14px; color: var(--ink); }
.localizador { margin-top: 24px; padding: var(--card-padding); border: 1px solid var(--ink); border-radius: var(--radius-body); display: grid; gap: 8px; justify-items: start; color: var(--ink-2); }
.localizador .det-sub { margin: 0; }

.badge-priv { margin: 36px 0 0; max-width: 72ch; font-size: 12px; line-height: 1.5; color: var(--ink-2); }
.badge-priv #stat-familias, .badge-priv #stat-marcas { color: var(--ink); font-variant-numeric: tabular-nums; }

/* =============================================================
   7. Contenido SEO y pie
   ============================================================= */
.content { margin-top: var(--section-gap); max-width: 860px; color: var(--ink-2); }
.content h2 { font-size: clamp(2rem, 4.6vw, 3.25rem); line-height: 1; font-weight: var(--w-light); margin-bottom: 36px; }
.content h3 { font-size: 22px; line-height: 1.3; margin: 48px 0 12px; }
.content p { color: var(--ink-2); }
.content p + p { margin-top: 16px; }
.content a { color: var(--ink); text-decoration-color: var(--line-mid); text-underline-offset: 4px; }
.content a:hover { text-decoration-color: var(--ink); }

/* Pasos: filas de hoja de especificaciones separadas por filetes carbón */
.steps { list-style: none; padding: 0; display: grid; counter-reset: paso; border-top: 1px solid var(--line); }
.steps li { counter-increment: paso; position: relative; padding: 24px 0 24px 96px; color: var(--ink-2); border-bottom: 1px solid var(--line); }
.steps li::before { content: counter(paso, decimal-leading-zero); position: absolute; left: 0; top: 20px; font-size: 52px; font-weight: var(--w-light); line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.steps li strong { display: block; color: var(--ink); font-size: 22px; line-height: 1.3; font-weight: var(--w-regular); margin-bottom: 4px; }
@media (max-width: 480px) { .steps li { padding-left: 0; padding-top: 84px; } }

.brand-list { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.brand-list li { padding: 7px 14px; border: 1px solid var(--line-mid); border-radius: var(--radius-pill); font-size: 14px; color: var(--ink); transition: border-color .2s; }
.brand-list li:hover { border-color: var(--ink); }
.brand-list + p { margin-top: 16px; }
.tipos-list { font-size: 14px; line-height: 1.8; color: var(--ink-2); }

/* Acordeón: filas con filete carbón y botón circular de 40px (+ / −) */
details { border-bottom: 1px solid var(--line); }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; font-weight: var(--w-regular); font-size: clamp(17px, 2vw, 20px); line-height: 1.3; color: var(--ink); padding: 22px 64px 22px 0; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--ink); border-radius: var(--radius-pill);
  background: var(--color-paper-white); font-size: 18px; font-weight: var(--w-light); line-height: 1; transition: background .2s, color .2s;
}
summary:hover::after { background: var(--ink); color: var(--color-paper-white); }
details[open] summary::after { content: "−"; }
details p { padding: 0 64px 24px 0; color: var(--ink-2); font-size: 15px; }

/* Panel blanco "porthole" con radio de 80px: guías en la portada */
.content#guias {
  max-width: none; background: var(--surface); border-radius: var(--radius-cards);
  padding: clamp(36px, 6vw, 96px) clamp(22px, 6vw, 96px);
}
.content#guias > p { max-width: 60ch; }
.content#guias .guia-grid { margin-top: 36px; }
.content#guias .guia-card { background: var(--bg); }
.content#guias > p.muted { margin-top: 36px !important; }

.site-footer {
  margin-top: var(--section-gap); padding-block: 48px 30px; display: grid; gap: 8px; font-size: 14px;
  background: var(--color-onyx-depth); color: var(--color-paper-white);
  box-shadow: 0 0 0 100vmax var(--color-onyx-depth); clip-path: inset(0 -100vmax);
}
.site-footer .muted { color: var(--color-mercury); }
.site-footer a { color: var(--color-paper-white); text-decoration-color: rgba(255, 255, 255, .3); text-underline-offset: 4px; transition: text-decoration-color .2s; }
.site-footer a:hover { text-decoration-color: var(--color-paper-white); }

/* Páginas legales */
.legal { margin-top: clamp(48px, 8vw, 96px); max-width: 760px; }
.legal h1 { font-size: clamp(2.4rem, 5vw, 3.25rem); line-height: 1; color: var(--ink); margin-bottom: 36px; }
.legal p, .legal li { color: var(--ink-2); }
.legal p + p { margin-top: 16px; }

/* =============================================================
   8. Movimiento
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* =============================================================
   9. Modelos con especificaciones
   ============================================================= */
.modo-modelos .layout { display: block; }
.modo-modelos #filtros, .modo-modelos #btn-filtros, .modo-modelos .res-head,
.modo-modelos #activos, .modo-modelos #lista, .modo-modelos #mas, .modo-modelos #vacio { display: none !important; }
#modelos { margin-top: 8px; }
.m-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; margin: 8px 0 16px; }
.m-count { margin: 0; font-size: 22px; font-weight: var(--w-light); line-height: 1.3; font-variant-numeric: tabular-nums; }
.m-count strong, .m-count b { color: var(--ink); font-weight: var(--w-regular); }
.m-of { color: var(--ink-3); font-size: .7em; }
.m-facets { display: grid; gap: 8px; margin-bottom: 16px; }
.mf { border: 0; border-radius: var(--radius-body); background: var(--bg); padding: 14px 16px 16px; margin: 0; min-width: 0; }
.mf legend { float: left; width: 100%; margin-bottom: 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink); }
.mf .chips { clear: both; display: flex; flex-wrap: wrap; gap: 6px; }
.chip .n { opacity: .6; font-size: .85em; margin-left: 2px; font-variant-numeric: tabular-nums; }
.m-clear { margin: 0 0 12px; }
.mcards { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; grid-template-columns: 1fr; }
.mcard { border: 1px solid transparent; border-radius: var(--radius-body); background: var(--bg); padding: 16px; display: grid; gap: 8px; min-width: 0; transition: border-color .25s; }
.mcard:hover { border-color: var(--ink); }
.m-main { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.m-pn { font-size: 16px; font-weight: var(--w-regular); word-break: break-all; font-variant-numeric: tabular-nums slashed-zero; }
.m-sub { color: var(--ink-3); font-size: 12px; }
.m-specs { display: flex; flex-wrap: wrap; gap: 5px; }
.m-specs span { font-size: 12px; border: 1px solid var(--line-mid); border-radius: var(--radius-pill); padding: 2px 9px; color: var(--ink-2); }
.m-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.m-actions .btn-sec { text-decoration: none; padding: 10px 16px; font-size: 12px; }
.m-note { margin: 16px 0 0; font-size: 12px; color: var(--ink-3); }
.m-load { padding: 16px 4px; color: var(--ink-3); }
@media (min-width: 720px) {
  .m-facets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mcards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1100px) { .mcards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* Miniatura / foto en la tarjeta de modelo */
.mcard { grid-template-columns: 64px minmax(0, 1fr); column-gap: 14px; row-gap: 8px; align-items: start; }
.mcard > .m-main, .mcard > .m-specs, .mcard > .m-actions { grid-column: 2; }
.m-thumb { grid-column: 1; grid-row: 1 / span 3; width: 64px; height: 64px; border-radius: var(--radius-pill); background: var(--color-paper-white); color: var(--ink); display: grid; place-items: center; overflow: hidden; }
.m-thumb svg { width: 42px; height: 42px; stroke-width: 1.5; }
.m-thumb.has-foto { border-radius: var(--radius-body); }
.m-foto { width: 100%; height: 100%; object-fit: contain; display: block; }
.m-alt { display: block; width: 100%; font-size: 12px; color: var(--ink-3); }

/* =============================================================
   10. Guías técnicas
   ============================================================= */
.breadcrumb { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); margin-top: 36px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumb a { color: var(--ink-3); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span[aria-current] { color: var(--ink); }

.guias-hero { padding-block: clamp(48px, 9vw, 96px) clamp(24px, 4vw, 36px); }
.guias-hero h1 { font-size: clamp(2.4rem, 5.6vw, 4rem); line-height: 1; color: var(--ink); max-width: 18ch; }
.guias-hero .lead { margin-top: 24px; }

.guia-grid { list-style: none; margin: var(--section-gap) 0 0; padding: 0; display: grid; gap: 8px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .guia-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .guia-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.guia-card { position: relative; border: 1px solid transparent; border-radius: var(--radius-body); background: var(--surface); padding: var(--card-padding); display: flex; flex-direction: column; gap: 12px; transition: border-color .25s var(--ease-out); }
.guia-card:hover { border-color: var(--ink); }
.guia-card .g-tag { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.guia-card .g-tag::before { content: ""; width: 4px; height: 4px; background: var(--ink); }
.guia-card h2, .guia-card h3 { font-size: 22px; line-height: 1.3; font-weight: var(--w-light); margin: 0; }
.guia-card a.g-link { color: inherit; text-decoration: none; }
.guia-card a.g-link::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.guia-card p { color: var(--ink-2); font-size: 14px; line-height: 1.4; }
.guia-card .g-leer { margin-top: auto; padding-top: 8px; font-size: 14px; color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-mid); text-underline-offset: 4px; }
.guia-card:hover .g-leer { text-decoration-color: var(--ink); }

.article-meta { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); margin-top: 16px; }
.article-body { margin-top: clamp(36px, 6vw, 60px); max-width: 760px; color: var(--ink-2); }
.article-body h1 { font-size: clamp(2.4rem, 5vw, 3.25rem); line-height: 1; color: var(--ink); max-width: 20ch; }
.article-body > .lead { margin-top: 24px; }
.article-body h2 { font-size: clamp(1.6rem, 3.2vw, 2rem); line-height: 1.2; margin: 48px 0 16px; }
.article-body h3 { font-size: 22px; line-height: 1.3; margin: 36px 0 8px; }
.article-body p { color: var(--ink-2); }
.article-body p + p { margin-top: 16px; }
.article-body ul, .article-body ol { margin: 12px 0 12px 1.2em; color: var(--ink-2); }
.article-body li + li { margin-top: 8px; }
.article-body li::marker { color: var(--ink-3); }
.article-body a { color: var(--ink); text-decoration-color: var(--line-mid); text-underline-offset: 4px; }
.article-body a:hover { text-decoration-color: var(--ink); }
.article-body table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 24px 0; font-size: 14px; background: var(--surface); border-radius: var(--radius-body); overflow: hidden; }
.article-body caption { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); margin-bottom: 8px; }
.article-body th, .article-body td { border-bottom: 1px solid var(--line-soft); padding: 12px 16px; text-align: left; vertical-align: top; }
.article-body th + th, .article-body td + td { border-left: 1px solid var(--line-soft); }
.article-body tr:last-child td { border-bottom: 0; }
.article-body th { background: var(--ink); color: var(--color-paper-white); font-weight: var(--w-regular); }
.article-callout { border-radius: var(--radius-body); background: var(--surface); padding: var(--card-padding); margin: 24px 0; font-size: 14px; color: var(--ink-2); }
.article-callout > strong:first-child { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink); }
.article-callout > strong:first-child::before { content: ""; width: 4px; height: 4px; background: var(--ink); flex: 0 0 auto; }
.article-cta { margin-top: 48px; padding: clamp(22px, 4vw, 36px); border-radius: var(--radius-nav); background: var(--color-carbon-warm); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.article-cta p { margin: 0; color: var(--color-paper-white); font-size: 22px; line-height: 1.3; font-weight: var(--w-light); max-width: 34ch; }
.article-cta .btn-sec { background: var(--color-paper-white); color: var(--ink); border-color: var(--color-paper-white); padding: 18px 22px; }
.article-cta .btn-sec:hover { background: var(--bg); border-color: var(--bg); }
.related-guias { margin-top: var(--section-gap); max-width: 760px; }
.related-guias h2 { font-size: 22px; line-height: 1.3; margin-bottom: 16px; }
.related-guias ul { list-style: none; padding: 0; margin: 0; display: grid; border-top: 1px solid var(--line); }
.related-guias li, .related-guias li + li { border-bottom: 1px solid var(--line); margin: 0; }
.related-guias a { display: block; padding: 18px 0; color: var(--ink); text-decoration: none; transition: padding .25s var(--ease-out); }
.related-guias a:hover { padding-left: 8px; }