/* =========================================================
   VC SUMINISTROS — HOJA DE ESTILOS COMÚN
   Variables, reset, tipografía, header, footer, botones,
   utilidades compartidas por todas las páginas.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Paleta — colores de marca VC Suministros:
     azul marino #0C1F41 (base oscura), azul acero #294970,
     gris azulado #C7D1DA, verde #00A500/#00CD00 (acento).
     El naranja queda reservado para la herramienta de cotización. */
  --ink: #0c1f41;
  --ink-soft: #3c4b64;
  --ink-faint: #7a879c;
  --line: #d5dde5;
  --line-dark: #223a63;
  --paper: #f7f9fb;
  --paper-alt: #e9eef3;
  --white: #ffffff;
  --brand-blue: #294970;
  --brand-mist: #c7d1da;
  --accent: #00a500;
  --accent-dark: #008a00;
  --accent-bright: #00cd00;
  --accent-soft: #dcf5dc;
  --tool: #ff5a1f;
  --tool-dark: #c73f0d;

  /* Tipografía */
  --font-display: 'Inter', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'Inter', -apple-system, sans-serif;

  /* Layout */
  --container: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius-sm: 3px;
  --radius-md: 6px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 .5em;
  color: var(--ink);
}

p { margin: 0 0 1em; color: var(--ink-soft); font-weight: 400; }

.lead { font-weight: 300; }

a { color: inherit; text-decoration: none; }

ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* Etiqueta tipo "ficha técnica" usada antes de cada título de sección */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: .9rem;
}
.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--accent);
}
.eyebrow--center { display: flex; justify-content: center; }

.section { padding: clamp(3.5rem, 8vw, 6.5rem) 0; }
.section--alt { background: var(--paper-alt); }
.section--ink { background: var(--ink); color: var(--white); }
.section--ink p { color: var(--brand-mist); }
.section--ink h2, .section--ink h3 { color: var(--white); }

.section-head { max-width: 640px; margin-bottom: 3rem; }
.section-head--center { max-width: 640px; margin-left: auto; margin-right: auto; text-align: center; }

/* Migas de pan */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: .4em;
}
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--accent-dark); }
.breadcrumb span[aria-current] { color: var(--ink); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .01em;
  padding: .95em 1.7em;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; flex-shrink: 0; }
.btn:active { transform: scale(.97); }

.btn--primary {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-2px); }

.btn--outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--outline:hover { background: var(--ink); color: var(--white); transform: translateY(-2px); }

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.4);
}
.btn--outline-light:hover { background: var(--white); color: var(--ink); border-color: var(--white); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
  padding: .8em 1.3em;
}
.btn--ghost:hover { border-color: var(--ink); }

.btn--block { width: 100%; justify-content: center; }
.btn--lg { padding: 1.1em 2.1em; font-size: 1rem; }

/* ---------- Barra superior ---------- */
.topbar {
  background: var(--ink);
  color: #d4dce5;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .03em;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 40px;
}
.topbar__info { display: flex; align-items: center; gap: 1.5rem; overflow: hidden; }
.topbar__item { display: flex; align-items: center; gap: .5em; white-space: nowrap; }
.topbar__item svg { width: 13px; height: 13px; opacity: .75; }
.topbar__item a:hover { color: var(--accent); }
.topbar__right { display: flex; align-items: center; gap: 1.1rem; flex-shrink: 0; }
.topbar__social { display: flex; gap: .8rem; }
.topbar__social a { opacity: .8; }
.topbar__social a:hover { opacity: 1; color: var(--accent); }
.topbar__social svg { width: 14px; height: 14px; }

.lang-toggle {
  display: flex;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: 20px;
  overflow: hidden;
  font-family: var(--font-mono);
}
.lang-toggle button {
  background: none;
  border: none;
  color: #b3c0ce;
  font-family: inherit;
  font-size: .72rem;
  letter-spacing: .05em;
  padding: .35em .75em;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}
.lang-toggle button.is-active { background: var(--accent); color: var(--white); }

/* ---------- Header ----------
   Transparente sobre el hero/page-hero (siempre oscuros); pasa a
   fondo sólido en cuanto se hace scroll. Ver .hero y .page-hero
   para el truco de margen negativo que los desliza bajo el header. */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  /* Línea inferior + sombra como box-shadow (no border): así no suma
     1px a la altura real del header y no desalinea el margen negativo
     de .hero / .page-hero, que asume una altura exacta de 84px. */
  box-shadow: 0 1px 0 0 transparent;
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
}
.header.is-scrolled {
  background: rgba(247, 249, 251, .97);
  box-shadow: 0 1px 0 0 var(--line), 0 6px 24px rgba(12,31,65,.06);
}
/* Se oculta al hacer scroll hacia abajo y reaparece al subir (ver common.js). */
.header.is-hidden { transform: translateY(-100%); }
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  transition: height .25s var(--ease);
}
.header.is-scrolled .container { height: 66px; }

.logo { display: flex; align-items: center; }
.logo__img {
  height: 66px;
  width: auto;
  transition: height .25s var(--ease), filter .3s var(--ease);
}
.header.is-scrolled .logo__img { height: 60px; filter: brightness(0); }
.logo__img--footer { height: 42px; }

/* El texto blanco del nav solo aplica al menú horizontal de escritorio;
   el panel móvil siempre tiene fondo claro y necesita texto oscuro.
   Selector acotado a "> li > a" (no ".nav__links a" a secas) para no
   alcanzar los links del .nav__dropdown, que viven un nivel más abajo
   dentro de esos mismos <li> y necesitan quedarse oscuros sobre su
   fondo blanco — si no, quedan ilegibles (blanco sobre blanco). */
@media (min-width: 901px) {
  .header:not(.is-scrolled) .nav__links > li > a { color: rgba(255, 255, 255, .85); }
  .header:not(.is-scrolled) .nav__links > li > a:hover,
  .header:not(.is-scrolled) .nav__links > li > a[aria-current="page"] { color: var(--white); }
}
.header:not(.is-scrolled) .nav__toggle { border-color: rgba(255, 255, 255, .4); }
.header:not(.is-scrolled) .nav__toggle span { background: var(--white); }

.nav { display: flex; align-items: center; gap: 2.4rem; }
.nav__links { display: flex; align-items: center; gap: 2.1rem; }
.nav__links a {
  position: relative;
  font-size: .93rem;
  font-weight: 600;
  color: var(--ink-soft);
  padding: .3em 0;
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  transition: right .25s var(--ease);
}
.nav__links a:hover, .nav__links a[aria-current="page"] { color: var(--ink); }
.nav__links a:hover::after, .nav__links a[aria-current="page"]::after { right: 0; }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav__toggle span { width: 18px; height: 2px; background: var(--ink); margin: 0 auto; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.nav__toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-active span:nth-child(2) { opacity: 0; }
.nav__toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__item--dropdown { position: relative; }
.nav__dropdown {
  position: absolute;
  top: calc(100% + 20px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: 0 22px 50px rgba(12,31,65,.14);
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(3, 148px);
  gap: .1rem .6rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  z-index: 50;
}
.nav__item--dropdown:hover .nav__dropdown,
.nav__item--dropdown:focus-within .nav__dropdown {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.nav__dropdown a {
  font-size: .84rem;
  font-weight: 500;
  padding: .55em .5em;
  border-radius: 4px;
  color: var(--ink-soft);
}
.nav__dropdown a:hover { background: var(--paper-alt); color: var(--accent-dark); }
@media (max-width: 900px) {
  .nav__dropdown { display: none !important; }
}

/* ---------- Botón flotante WhatsApp ---------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 4vw, 2rem);
  bottom: clamp(1rem, 4vw, 2rem);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0,165,0,.4);
  z-index: 90;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.wa-float:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 14px 34px rgba(0,165,0,.5); }
.wa-float svg { width: 27px; height: 27px; }
.wa-float__ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: waPulse 2.2s var(--ease) infinite;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: .6; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #b3c0ce; padding-top: 4.5rem; }
.footer a:hover { color: var(--accent); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-dark);
}
.footer__tag { margin-top: 1rem; max-width: 26ch; font-size: .92rem; color: #8d9bb1; }
.footer h4 {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #7486a0;
  font-weight: 600;
  margin-bottom: 1.1rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: .65rem; font-size: .92rem; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.6rem 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .02em;
  color: #7486a0;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer__bottom a { color: #8d9bb1; }

/* ---------- Utilidades ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.idx-tag {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--ink-faint);
}
.idx-tag--block { display: block; margin-bottom: 1rem; }

/* ---------- Fila CTA en línea (título + botón) ---------- */
.cta-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.cta-inline h2 { margin-bottom: 0; font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.cta-inline .eyebrow { margin-bottom: .5rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--accent); color: var(--white); padding: .8em 1.2em;
  font-weight: 600;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.vc-toast {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  transform: translate(-50%, 12px);
  background: var(--ink);
  color: var(--white);
  font-size: .88rem;
  font-weight: 500;
  padding: .9em 1.4em;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
  opacity: 0;
  z-index: 200;
  max-width: min(90vw, 420px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.vc-toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Banner de página interna (reutilizado en páginas internas) ---------- */
.page-hero {
  position: relative;
  /* Colores de marca: marino → azul acero, con un brillo verde tenue
     en la esquina para que el banner no se vea plano. */
  background:
    radial-gradient(ellipse 60% 90% at 100% 0%, rgba(0, 165, 0, .16), transparent 70%),
    linear-gradient(115deg, var(--ink) 0%, var(--ink) 35%, var(--brand-blue) 100%);
  background-color: var(--ink);
  color: var(--white);
  /* Margen negativo: desliza el banner bajo el header (común,
     transparente) para que flote encima del fondo oscuro. */
  margin-top: -84px;
  padding: calc(84px + clamp(2.8rem, 6vw, 4rem)) 0 clamp(2.2rem, 5vw, 3.2rem);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 40%, #000 70%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 40%, #000 70%, transparent);
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .breadcrumb { color: #8d9bb1; margin-bottom: 1.3rem; }
.page-hero .breadcrumb a { color: var(--brand-mist); }
.page-hero .breadcrumb a:hover { color: var(--accent); }
.page-hero .breadcrumb span[aria-current] { color: var(--white); }
.page-hero .eyebrow { color: var(--accent); }
.page-hero .eyebrow::before { background: var(--accent); }
.page-hero h1 { color: var(--white); font-size: clamp(2.1rem, 4.4vw, 3.1rem); margin-bottom: .55rem; max-width: 20ch; }
.page-hero__lead { color: var(--brand-mist); max-width: 58ch; font-size: 1.05rem; margin: 0; }

/* Franja de categorías en movimiento al pie del banner (markup inyectado
   por build.js desde partials/page-hero-marquee.html). Mismo truco que la
   franja de marcas del inicio: 4 copias en el DOM, se recorre -25% para
   que el loop no tenga corte visible. */
.page-hero__marquee {
  position: relative;
  z-index: 1;
  margin-top: clamp(2.2rem, 5vw, 3.2rem);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.page-hero__marquee-track {
  display: flex;
  align-items: center;
  width: max-content;
  animation: heroMarquee 60s linear infinite;
}
.page-hero__marquee-item {
  display: inline-flex;
  align-items: center;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -.01em;
  white-space: nowrap;
  color: rgba(199, 209, 218, .55);
}
.page-hero__marquee-item::after {
  content: '';
  width: 7px;
  height: 7px;
  margin: 0 clamp(1.4rem, 3vw, 2.2rem);
  border-radius: 50%;
  background: var(--accent-bright);
}
@keyframes heroMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-25%); }
}
@media (prefers-reduced-motion: reduce) {
  .page-hero__marquee-track { animation: none; }
}

/* ---------- Fila de botones CTA simple ---------- */
.cta-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

/* ---------- Tira de cifras ---------- */
.stats-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1.8rem; }
.stats-strip__item strong { display: block; font-family: var(--font-display); font-weight: 900; font-size: 2.5rem; color: var(--accent-dark); line-height: 1; }
.stats-strip__item span { font-size: .85rem; color: var(--ink-soft); font-weight: 500; }

/* ---------- Grid de categorías (usado en Inicio y Catálogo) ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.cat-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.6rem;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.cat-card:hover { transform: translateY(-4px); border-color: var(--ink); box-shadow: 0 20px 40px rgba(12,31,65,.08); }
.cat-card__media {
  display: block;
  width: calc(100% + 3.2rem);
  aspect-ratio: 16 / 10;
  margin: -1.8rem -1.6rem 1.1rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  background: var(--paper-alt);
}
.cat-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s var(--ease); }
.cat-card:hover .cat-card__media img { transform: scale(1.05); }
.cat-card h3 { font-size: 1.08rem; margin-bottom: .4rem; }
.cat-card p { font-size: .88rem; color: var(--ink-soft); margin-bottom: 1.2rem; flex-grow: 1; }
.cat-card__arrow {
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 500;
  color: var(--ink);
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.cat-card:hover .cat-card__arrow { color: var(--accent-dark); transform: translateX(4px); }
.cat-grid__cta { text-align: center; margin-top: 2.6rem; }
@media (max-width: 980px) { .cat-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: .7rem; }
  .cat-card { padding: 1.1rem .9rem; min-height: 0; }
  .cat-card__media { width: calc(100% + 1.8rem); margin: -1.1rem -.9rem .8rem; }
  .cat-card h3 { font-size: .92rem; }
  .cat-card p { font-size: .78rem; margin-bottom: .8rem; }
  .cat-card__arrow { font-size: .68rem; }
}

/* ---------- Formularios (usado en Cotización y Contacto) ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.3rem 1.5rem;
  margin-bottom: 1.8rem;
}
.field--full { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: .45rem; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink); }
.req { color: var(--accent-dark); }

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="file"],
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: .95rem;
  padding: .8em .9em;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 120px; font-family: var(--font-body); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--ink);
  background: var(--white);
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234a4d52' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .8em center;
  background-size: 18px;
  padding-right: 2.4em;
}

.field__hint { font-size: .78rem; color: var(--ink-faint); }
.field__error { font-size: .8rem; color: #c0362c; min-height: 1em; }

.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #c0362c; }

.checkbox { display: flex; align-items: flex-start; gap: .7em; cursor: pointer; }
.checkbox input { margin-top: .2em; width: 17px; height: 17px; accent-color: var(--accent); flex-shrink: 0; }
.checkbox span { font-size: .88rem; color: var(--ink-soft); }
.checkbox a { color: var(--ink); text-decoration: underline; }

.form-success {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .8rem;
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  margin-bottom: 1.8rem;
}
.form-success svg { width: 32px; height: 32px; color: var(--accent-dark); }
.form-success h3 { margin: 0; font-size: 1.2rem; }
.form-success p { margin: 0; max-width: 55ch; }

.form-error {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .5rem;
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-left: 3px solid #c0362c;
  border-radius: var(--radius-md);
  padding: 1.4rem 1.8rem;
  margin-bottom: 1.8rem;
}
.form-error h3 { margin: 0; font-size: 1.05rem; }
.form-error p { margin: 0; max-width: 55ch; }

/* Honeypot anti-spam: invisible para personas, visible para bots que
   rellenan todos los campos de un formulario sin renderizar CSS. */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- Grid de familias de producto (páginas de categoría) ---------- */
.family-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.1rem;
}
.family-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.family-card:hover { transform: translateY(-4px); border-color: var(--ink); box-shadow: 0 20px 40px rgba(12,31,65,.08); }
.family-card__media {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(100% + 2.6rem);
  aspect-ratio: 4 / 3;
  margin: -1.3rem -1.3rem 1rem;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background:
    linear-gradient(rgba(12,31,65,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12,31,65,.04) 1px, transparent 1px),
    var(--paper-alt);
  background-size: 14px 14px, 14px 14px, auto;
  overflow: hidden;
}
.family-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s var(--ease); }
.family-card:hover .family-card__media img { transform: scale(1.05); }
.family-card__mono {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--ink-faint);
  letter-spacing: .02em;
}
.family-card__body { display: flex; flex-direction: column; gap: .4rem; flex-grow: 1; }
.family-card h3 { font-size: 1rem; margin: 0; }
.family-card p { font-size: .82rem; margin: 0 0 .4rem; color: var(--ink-soft); flex-grow: 1; }
.family-card__arrow {
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 500;
  color: var(--ink);
  transition: color .25s var(--ease), transform .25s var(--ease);
}
.family-card:hover .family-card__arrow { color: var(--accent-dark); transform: translateX(4px); }

/* ---------- Navegación rápida entre categorías (chips) ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip {
  font-family: var(--font-mono);
  font-size: .78rem;
  padding: .55em 1.1em;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--ink-soft);
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-current] { background: var(--ink); color: var(--white); border-color: var(--ink); }

/* ---------- Selector de categorías tipo chip (multi-selección) ---------- */
.chip-select { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip-option { position: relative; cursor: pointer; }
.chip-option input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}
.chip-option span {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .82rem;
  padding: .55em 1.1em;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--ink-soft);
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}
.chip-option:hover span { border-color: var(--ink); color: var(--ink); }
.chip-option:has(input:checked) span { background: var(--ink); color: var(--white); border-color: var(--ink); }
.chip-option:has(input:checked) span::after { content: ' ×'; font-weight: 700; }
.chip-option:has(input:focus-visible) span { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Bloque partido de 2 columnas ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); }
.split-card { background: var(--paper-alt); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 2.1rem; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .topbar__info { gap: 1rem; }
  .topbar__item.hide-mobile { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }

  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    top: var(--nav-panel-top, 124px);
    right: 0;
    bottom: 0;
    left: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem var(--gutter);
    gap: 1.6rem;
    transform: translateX(100%);
    transition: transform .3s var(--ease);
    overflow-y: auto;
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__links a { font-size: 1.1rem; }
  .nav__cta { display: none; }
  .nav__links .nav__cta-mobile { display: inline-flex; margin-top: .5rem; }
}

@media (min-width: 901px) {
  .nav__cta-mobile { display: none; }
}

@media (max-width: 600px) {
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .topbar__item.hide-small { display: none; }
}