/* ==========================================================================
   Mármoles Ibars S.L. — Hoja de estilos principal
   Sistema de tokens, mobile-first, sin dependencias externas.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ink: #14161a;
  --ink-soft: #23272e;
  --paper: #ffffff;
  --sand: #f8f6f2;
  --sand-2: #efeae1;
  --line: #e4ded4;
  --line-strong: #d3cabc;
  --muted: #6f6b64;
  --muted-light: #9a958c;
  --accent: #96682a;
  --accent-hover: #7d5521;
  --accent-soft: #f3e9da;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(20, 22, 26, .06), 0 2px 8px rgba(20, 22, 26, .04);
  --shadow: 0 10px 30px rgba(20, 22, 26, .09);
  --shadow-lg: 0 24px 60px rgba(20, 22, 26, .16);

  --max: 1200px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --header-h: 72px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, picture, svg, video { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.01em;
  margin: 0 0 .6em;
  text-wrap: balance;
}

h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.4rem); }
h2 { font-size: clamp(1.55rem, 1.2rem + 1.5vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 1rem + .6vw, 1.45rem); }
h4 { font-size: 1.05rem; font-family: var(--font-sans); font-weight: 700; letter-spacing: 0; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }

ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin-bottom: .35rem; }

hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--accent-soft); color: var(--ink); }

/* ---------- Utilidades ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute !important;
  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: 1rem;
  top: -100px;
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: .75rem 1.25rem;
  border-radius: var(--radius-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 1rem; color: #fff; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .9rem;
}

.lead {
  font-size: clamp(1.05rem, 1rem + .35vw, 1.2rem);
  color: var(--muted);
  max-width: 62ch;
}

.section { padding-block: clamp(3rem, 6vw, 5.5rem); }
.section--sand { background: var(--sand); }
.section--tight { padding-block: clamp(2rem, 4vw, 3rem); }

.section-head { max-width: 68ch; margin-bottom: clamp(1.75rem, 3vw, 2.75rem); }
.section-head p { color: var(--muted); margin-bottom: 0; }

.section-head--row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
  max-width: none;
}

/* ---------- Botones ---------- */
.btn {
  --btn-bg: var(--accent);
  --btn-fg: #fff;
  --btn-bd: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .85rem 1.5rem;
  border: 1px solid var(--btn-bd);
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s var(--ease), background-color .18s var(--ease), box-shadow .18s var(--ease), color .18s var(--ease);
}
.btn:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(150, 104, 42, .28);
}
.btn:active { transform: translateY(0); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-bd: var(--line-strong);
}
.btn--ghost:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
  box-shadow: none;
}

.btn--light {
  --btn-bg: #fff;
  --btn-fg: var(--ink);
  --btn-bd: #fff;
}
.btn--light:hover { background: var(--sand-2); border-color: var(--sand-2); color: var(--ink); box-shadow: none; }

.btn--outline-light {
  --btn-bg: transparent;
  --btn-fg: #fff;
  --btn-bd: rgba(255, 255, 255, .45);
}
.btn--outline-light:hover { background: #fff; border-color: #fff; color: var(--ink); box-shadow: none; }

.btn--sm { padding: .6rem 1.1rem; font-size: .875rem; }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-weight: 600;
  font-size: .95rem;
  text-decoration: none;
  color: var(--accent);
}
.link-arrow::after { content: "→"; transition: transform .18s var(--ease); }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 22, 26, .96);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  flex-shrink: 0;
}
.brand img { width: auto; height: 34px; }
.brand:hover { opacity: .9; }

.nav { margin-left: auto; }

.nav__list {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__item { position: relative; margin: 0; }

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .6rem .8rem;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, .82);
  font-size: .925rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color .15s var(--ease), background-color .15s var(--ease);
}
.nav__link:hover,
.nav__link[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, .08); }

.nav__link--toggle::after {
  content: "";
  width: .42rem; height: .42rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform .2s var(--ease);
}
.nav__item.is-open > .nav__link--toggle::after { transform: rotate(-135deg) translateY(-2px); }

.nav__sub {
  position: absolute;
  top: calc(100% + .5rem);
  left: 0;
  min-width: 250px;
  padding: .5rem;
  margin: 0;
  list-style: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.nav__item.is-open > .nav__sub { opacity: 1; visibility: visible; transform: translateY(0); }

.nav__sub li { margin: 0; }
.nav__sub a {
  display: block;
  padding: .55rem .75rem;
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-size: .9rem;
  text-decoration: none;
}
.nav__sub a:hover { background: var(--sand); color: var(--accent); }

.nav__cta { margin-left: .5rem; }

.nav-toggle {
  display: none;
  margin-left: auto;
  width: 44px; height: 44px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 20px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.nav-toggle span { position: relative; }
.nav-toggle span::before,
.nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: end;
  min-height: clamp(460px, 72vh, 720px);
  padding-block: clamp(3rem, 8vw, 6rem);
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}

.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(20, 22, 26, .55) 0%, rgba(20, 22, 26, .35) 35%, rgba(20, 22, 26, .88) 100%),
    linear-gradient(90deg, rgba(20, 22, 26, .75) 0%, rgba(20, 22, 26, .1) 70%);
}

.hero__content { max-width: 46rem; }
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p { color: rgba(255, 255, 255, .86); font-size: clamp(1.02rem, 1rem + .4vw, 1.22rem); max-width: 46ch; }
.hero .eyebrow { color: #d9b98a; }
.hero .btn-row { margin-top: 1.75rem; }

.hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .18);
  list-style: none;
  padding-left: 0;
  font-size: .875rem;
  color: rgba(255, 255, 255, .78);
}
.hero__badges li { margin: 0; display: flex; align-items: center; gap: .45rem; }
.hero__badges li::before { content: "✓"; color: #d9b98a; font-weight: 700; }

/* ---------- Franja de marcas ---------- */
.brands {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  padding-block: 1.5rem;
}
.brands__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .75rem 2.5rem;
}
.brands__label {
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted-light);
  font-weight: 700;
}
.brands__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .75rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.brands__list li { margin: 0; }
.brands__list a {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--ink-soft);
  text-decoration: none;
  opacity: .75;
  transition: opacity .15s var(--ease), color .15s var(--ease);
}
.brands__list a:hover { opacity: 1; color: var(--accent); }

/* ---------- Rejillas ---------- */
.grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

/* ---------- Tarjetas ---------- */
.card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: var(--line-strong);
  color: inherit;
}

.card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--sand-2);
  overflow: hidden;
}
.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.card:hover .card__media img { transform: scale(1.04); }

.card__body { padding: 1.1rem 1.25rem 1.35rem; display: flex; flex-direction: column; gap: .35rem; flex: 1; }
.card__title { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin: 0; }
.card__meta { font-size: .82rem; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.card__text { font-size: .93rem; color: var(--muted); margin: 0; }

.card--brand .card__media { aspect-ratio: 16 / 10; }
.card--brand .card__body { padding: 1.35rem 1.4rem 1.5rem; }
.card--brand .card__title { font-size: 1.3rem; }

/* ---------- Servicios ---------- */
.feature {
  padding: 1.6rem 1.5rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.feature__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.feature__icon svg { width: 22px; height: 22px; }
.feature h3 { font-size: 1.15rem; margin-bottom: .4rem; }
.feature p { font-size: .93rem; color: var(--muted); margin: 0; }

/* ---------- Split ---------- */
.split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
}
.split__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
}
.split__media img { width: 100%; height: 100%; object-fit: cover; }

.checklist { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .6rem; }
.checklist li { position: relative; padding-left: 1.9rem; margin: 0; font-size: .96rem; }
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: .35em;
  width: 1.15rem; height: 1.15rem;
  border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2396682a' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / .7rem no-repeat;
}

/* ---------- Estadísticas ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
  gap: 1.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.stats li { margin: 0; text-align: center; }
.stats__num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.5rem + 1.6vw, 2.9rem);
  line-height: 1;
  color: var(--ink);
}
.stats__label { display: block; margin-top: .4rem; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ---------- Migas de pan ---------- */
.breadcrumbs {
  padding-block: 1rem;
  font-size: .82rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  background: var(--sand);
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; margin: 0; padding: 0; }
.breadcrumbs li { margin: 0; display: flex; align-items: center; gap: .4rem; }
.breadcrumbs li + li::before { content: "/"; color: var(--line-strong); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent); text-decoration: underline; }
.breadcrumbs [aria-current="page"] { color: var(--ink); font-weight: 600; }

/* ---------- Cabecera de página ---------- */
.page-head {
  padding-block: clamp(2.25rem, 5vw, 4rem);
  background: var(--sand);
  border-bottom: 1px solid var(--line);
}
.page-head h1 { margin-bottom: .75rem; }
.page-head p { color: var(--muted); max-width: 68ch; margin: 0; }

/* ---------- Catálogo ---------- */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.75rem;
  padding: 1rem;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.search-field {
  position: relative;
  flex: 1 1 260px;
  min-width: 0;
}
.search-field input {
  width: 100%;
  padding: .7rem .9rem .7rem 2.4rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  font: inherit;
  font-size: .93rem;
  color: var(--ink);
}
.search-field input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.search-field svg {
  position: absolute;
  left: .85rem; top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--muted-light);
  pointer-events: none;
}

.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  padding: .45rem .9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #fff;
  color: var(--ink-soft);
  font: inherit;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }

.result-count { font-size: .85rem; color: var(--muted); margin-left: auto; }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 190px), 1fr));
  gap: clamp(.75rem, 1.5vw, 1.15rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.catalog-grid li { margin: 0; }

.tile {
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #fff;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: var(--line-strong); color: inherit; }
.tile__media { display: block; aspect-ratio: 1 / 1; background: var(--sand-2); overflow: hidden; }
.tile__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s var(--ease); }
.tile:hover .tile__media img { transform: scale(1.05); }
.tile__body { display: block; padding: .65rem .75rem .8rem; }
.tile__name { display: block; font-size: .875rem; font-weight: 600; line-height: 1.3; }
.tile__meta { display: block; font-size: .74rem; color: var(--muted); margin-top: .15rem; }

.empty-state {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
}

/* ---------- Ficha de material ---------- */
.detail {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: start;
  padding-block: clamp(2rem, 4vw, 3.5rem);
}
@media (max-width: 860px) { .detail { grid-template-columns: 1fr; } }

.detail__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--sand-2);
  box-shadow: var(--shadow);
}
.detail__media img { width: 100%; height: auto; }

.detail__panel { position: sticky; top: calc(var(--header-h) + 1.5rem); }
@media (max-width: 860px) { .detail__panel { position: static; } }

.spec-list {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .7rem 0;
  margin: 0;
  border-bottom: 1px solid var(--line);
  font-size: .92rem;
}
.spec-list .spec-key { color: var(--muted); }
.spec-list .spec-val { font-weight: 600; text-align: right; }

.note {
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .9rem;
  color: var(--ink-soft);
}

/* ---------- Galería / lightbox ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: clamp(.6rem, 1.2vw, 1rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.gallery li { margin: 0; }
.gallery button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--sand-2);
  cursor: zoom-in;
  aspect-ratio: 4 / 3;
}
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s var(--ease); }
.gallery button:hover img { transform: scale(1.05); }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  background: rgba(12, 13, 16, .94);
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 100%; max-height: 82vh; width: auto; border-radius: var(--radius-sm); }
.lightbox__close,
.lightbox__nav {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox__close { top: 1.25rem; right: 1.25rem; }
.lightbox__nav--prev { left: 1.25rem; top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: 1.25rem; top: 50%; transform: translateY(-50%); }
.lightbox__close:hover, .lightbox__nav:hover { background: rgba(255, 255, 255, .2); }
.lightbox__caption {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, .8);
  font-size: .85rem;
  text-align: center;
  max-width: 90vw;
}

/* ---------- Simulador ---------- */
.simulator {
  display: grid;
  gap: clamp(1rem, 2vw, 1.75rem);
  grid-template-columns: minmax(0, 1fr) 300px;
  align-items: start;
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
}
@media (max-width: 900px) { .simulator { grid-template-columns: 1fr; } }

.simulator__stage {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--sand-2);
  box-shadow: var(--shadow);
}
.simulator__stage img { width: 100%; height: auto; aspect-ratio: 5 / 4; object-fit: cover; }

.simulator__panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 1rem;
}
.simulator__panel h2 { font-size: 1.05rem; font-family: var(--font-sans); font-weight: 700; margin-bottom: .75rem; }

.swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  gap: .5rem;
  max-height: 460px;
  overflow-y: auto;
  padding-right: .25rem;
}
.swatch {
  padding: 0;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--sand-2);
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  transition: border-color .15s var(--ease), transform .15s var(--ease);
}
.swatch img { width: 100%; height: 100%; object-fit: cover; }
.swatch:hover { transform: translateY(-1px); border-color: var(--line-strong); }
.swatch[aria-pressed="true"] { border-color: var(--accent); }

.simulator__ref { font-size: .8rem; color: var(--muted); margin-top: .75rem; }

/* ---------- Formulario ---------- */
.form { display: grid; gap: 1rem; }
.form__row { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.field { display: grid; gap: .35rem; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: .75rem .9rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  font: inherit;
  font-size: .95rem;
  color: var(--ink);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.field__hint { font-size: .78rem; color: var(--muted); }
.field--check { display: flex; align-items: flex-start; gap: .6rem; }
.field--check input { width: auto; margin-top: .3rem; }
.field--check label { font-weight: 400; font-size: .85rem; color: var(--muted); }

.form__status {
  padding: .9rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  background: var(--accent-soft);
  color: var(--ink-soft);
  border-left: 3px solid var(--accent);
}

/* ---------- Contacto ---------- */
.contact-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.contact-list li { margin: 0; display: grid; gap: .15rem; }
.contact-list .label { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-light); font-weight: 700; }
.contact-list .value { font-size: 1.02rem; font-weight: 600; }
.contact-list a { text-decoration: none; color: var(--ink); }
.contact-list a:hover { color: var(--accent); text-decoration: underline; }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
  background: var(--sand-2);
}
.map-embed iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- CTA ---------- */
.cta {
  position: relative;
  isolation: isolate;
  padding-block: clamp(3rem, 6vw, 5rem);
  background: var(--ink);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(60% 120% at 50% 0%, rgba(150, 104, 42, .35) 0%, transparent 70%);
}
.cta h2 { color: #fff; }
.cta p { color: rgba(255, 255, 255, .78); max-width: 56ch; margin-inline: auto; }
.cta .btn-row { justify-content: center; margin-top: 1.75rem; }

/* ---------- Pie ---------- */
.site-footer {
  background: #0f1114;
  color: rgba(255, 255, 255, .68);
  padding-block: clamp(2.5rem, 5vw, 4rem) 1.5rem;
  font-size: .9rem;
}
.site-footer a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); } }

.site-footer h2 {
  font-family: var(--font-sans);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .45);
  margin-bottom: 1rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; }
.site-footer li { margin: 0; }
.site-footer .brand img { height: 30px; margin-bottom: 1rem; }
.site-footer address { font-style: normal; line-height: 1.8; }

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.5rem;
  justify-content: space-between;
  font-size: .8rem;
  color: rgba(255, 255, 255, .45);
}
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- Prosa (páginas legales) ---------- */
.prose { max-width: 72ch; padding-block: clamp(2rem, 4vw, 3.5rem); }
.prose h2 { margin-top: 2.25rem; font-size: 1.5rem; }
.prose h3 { margin-top: 1.75rem; font-size: 1.15rem; }
.prose ul { padding-left: 1.25rem; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .9rem; }
.prose th, .prose td { padding: .65rem .75rem; border-bottom: 1px solid var(--line); text-align: left; }
.prose th { background: var(--sand); font-weight: 700; }

/* ---------- Tabla comparativa ---------- */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.compare { width: 100%; border-collapse: collapse; font-size: .9rem; min-width: 560px; }
.compare th, .compare td { padding: .8rem 1rem; border-bottom: 1px solid var(--line); text-align: left; }
.compare thead th { background: var(--ink); color: #fff; font-weight: 600; }
.compare tbody tr:nth-child(even) { background: var(--sand); }
.compare td:first-child { font-weight: 600; }

/* ---------- Animación de entrada ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive: navegación móvil ---------- */
@media (max-width: 1024px) {
  .nav-toggle { display: inline-flex; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    margin: 0;
    padding: 1rem var(--gutter) 2rem;
    background: #14161a;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }

  .nav__list { flex-direction: column; align-items: stretch; gap: .15rem; }
  .nav__link { padding: .8rem .75rem; font-size: 1rem; }
  .nav__sub {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    border-left: 2px solid rgba(255, 255, 255, .15);
    border-radius: 0;
    background: transparent;
    padding: .25rem 0 .5rem .75rem;
    margin-left: .75rem;
  }
  .nav__item.is-open > .nav__sub { display: block; }
  .nav__sub a { color: rgba(255, 255, 255, .78); }
  .nav__sub a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
  .nav__cta { margin: .75rem 0 0; }
  .nav__cta .btn { width: 100%; }
}

@media (max-width: 640px) {
  .brand img { height: 28px; }
  .hero { min-height: 78vh; }
  .hero__badges { gap: .4rem 1rem; font-size: .8rem; }
  .toolbar { padding: .75rem; }
  .result-count { margin-left: 0; width: 100%; }
  .catalog-grid { grid-template-columns: repeat(auto-fill, minmax(min(100%, 140px), 1fr)); }
  .footer-bottom { flex-direction: column; }
}

/* ---------- Impresión ---------- */
@media print {
  .site-header, .site-footer, .cta, .toolbar, .lightbox, .nav-toggle { display: none !important; }
  body { color: #000; }
  a { color: #000; text-decoration: underline; }
  .card, .feature, .detail__media { box-shadow: none; border: 1px solid #ccc; }
}