/* ============================================================================
   ALUGANT — Aluminio arquitectónico
   Dirección de arte: "PLANO TÉCNICO"
   El sitio se lee como un plano de taller: retícula visible, hairlines de 1px,
   secciones numeradas, cotas en monoespaciada, y fotografía de obra a sangre
   que rompe la retícula. El naranja funciona como redline de anotación.
   ========================================================================== */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Tinta y papel */
  --ink:        #14161a;
  --ink-2:      #1c1f24;
  --ink-3:      #262a30;
  --paper:      #ffffff;
  --paper-2:    #f5f4f1;
  --paper-3:    #e9e7e3;

  /* Marca */
  --brand:      #f17424;   /* solo fondos y texto grande */
  --brand-ink:  #b4530f;   /* texto pequeño sobre blanco — AA */
  --brand-soft: #fdf1e8;

  /* Estructura */
  --rule:       #dbd8d3;   /* hairline sobre papel */
  --rule-2:     #c4c0b9;
  --rule-dark:  #34383f;   /* hairline sobre tinta */
  --muted:      #6a6e74;
  --muted-2:    #9a9ea4;
  --alu:        #a09ea0;   /* gris del logotipo */

  /* Tipografía */
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body:    "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Métrica */
  --header-h:  72px;
  --gutter:    clamp(20px, 4vw, 56px);
  --maxw:      1500px;
  --maxw-text: 68ch;

  /* Ritmo vertical */
  --sp-section: clamp(72px, 9vw, 148px);
  --sp-block:   clamp(40px, 5vw, 76px);

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

/* ---------- 2. RESET / BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }

img, svg, iframe { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,p,figure,blockquote { margin: 0; }
address { font-style: normal; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: 14px 22px;
  font: 500 12px/1 var(--f-mono); letter-spacing: .12em; text-transform: uppercase;
}
.skip:focus { left: 0; }

/* ---------- 3. TIPOGRAFÍA ---------- */
.display {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: .96;
  letter-spacing: -.025em;
  text-transform: uppercase;
  text-wrap: balance;
}
.t-hero  { font-size: clamp(2.05rem, 4.55vw, 4.1rem); }
.t-xl    { font-size: clamp(2.1rem, 5.2vw, 4.2rem); }
.t-lg    { font-size: clamp(1.7rem, 3.4vw, 2.7rem); }

/* Etiqueta técnica — la "cota" del plano */
.label {
  font-family: var(--f-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .17em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--muted);
}
.label--brand { color: var(--brand-ink); }
.label--light { color: var(--muted-2); }
.label--ink   { color: var(--ink); }

.lede {
  font-size: clamp(1.08rem, 1.55vw, 1.32rem);
  line-height: 1.56;
  letter-spacing: -.006em;
  color: var(--ink);
}
.prose p { max-width: var(--maxw-text); }
.prose p + p { margin-top: 1.15em; }
.prose--muted p { color: var(--muted); }

/* ---------- 4. RETÍCULA ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.bleed { width: 100%; }

.grid12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0,1fr));
  gap: clamp(20px, 2.4vw, 40px);
}

.section { padding-block: var(--sp-section); }
.section--tight { padding-block: clamp(52px, 6vw, 92px); }
.section--paper2 { background: var(--paper-2); }
.section--ink { background: var(--ink); color: #fff; }
.section--ink .label { color: var(--muted-2); }
.section--ink .prose--muted p { color: #b3b7bd; }

/* Cabecera de sección: número + título + hairline (motivo del plano) */
.sechead {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: clamp(18px, 3vw, 44px);
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  margin-bottom: var(--sp-block);
}
.section--ink .sechead { border-top-color: var(--rule-dark); }
.sechead__no {
  font-family: var(--f-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: .17em;
  color: var(--brand-ink);
  padding-top: .35em;
}
.section--ink .sechead__no { color: var(--brand); }
.sechead__body { display: grid; gap: 18px; }
.sechead__aside { max-width: 46ch; color: var(--muted); }
.section--ink .sechead__aside { color: #b3b7bd; }

/* Línea de cota decorativa */
.dimline { display: block; width: 100%; height: 9px; color: var(--rule-2); }
.section--ink .dimline { color: var(--rule-dark); }

/* ---------- 5. ENLACES / BOTONES ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 15px 24px;
  font-family: var(--f-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: .17em; text-transform: uppercase;
  border: 1px solid var(--ink);
  background: var(--ink); color: #fff;
  white-space: nowrap;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { background: var(--brand); border-color: var(--brand); color: var(--ink); }
.btn__arrow { transition: transform .3s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(5px); }

.btn--brand { background: var(--brand); border-color: var(--brand); color: var(--ink); }
.btn--brand:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule-2); }
.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.38); }
.btn--ghost-light:hover { background: #fff; border-color: #fff; color: var(--ink); }

/* Enlace-flecha: el patrón de navegación del sitio */
.arrow-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: .17em; text-transform: uppercase;
  color: var(--ink);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule-2);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}
.arrow-link svg { transition: transform .3s var(--ease); flex: none; }
.arrow-link:hover { color: var(--brand-ink); border-bottom-color: var(--brand); }
.arrow-link:hover svg { transform: translateX(5px); }
.arrow-link--light { color: #fff; border-bottom-color: rgba(255,255,255,.28); }
.arrow-link--light:hover { color: var(--brand); border-bottom-color: var(--brand); }

/* ---------- 6. HEADER ---------- */
.header {
  position: sticky; top: 0; z-index: 60;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  transition: box-shadow .3s var(--ease);
}
.header.is-stuck { box-shadow: 0 1px 22px rgba(20,22,26,.09); }
.header__in {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; flex: none; }
.brand img { width: clamp(124px, 13vw, 158px); height: auto; }

.nav { display: flex; align-items: center; gap: clamp(18px, 2.4vw, 34px); }
.nav__link {
  position: relative;
  font-family: var(--f-mono);
  font-size: 11px; font-weight: 500;
  letter-spacing: .17em; text-transform: uppercase;
  color: var(--ink);
  padding-block: 6px;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--brand);
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--brand-ink); }

.header__cta { display: flex; align-items: center; gap: 14px; }
.header__tel {
  font-family: var(--f-mono); font-size: 12px; font-weight: 500;
  letter-spacing: .06em; color: var(--ink);
  display: inline-flex; align-items: center; gap: 8px;
}
.header__tel:hover { color: var(--brand-ink); }
.header__btn { padding: 12px 20px; }

/* Hamburguesa */
.burger {
  display: none;
  width: 46px; height: 46px;
  align-items: center; justify-content: center;
  border: 1px solid var(--rule-2);
  flex: none;
}
.burger__box { width: 20px; height: 12px; position: relative; }
.burger__box span {
  position: absolute; left: 0; width: 100%; height: 1.5px;
  background: var(--ink);
  transition: transform .32s var(--ease), opacity .18s var(--ease), background .2s;
}
.burger__box span:nth-child(1) { top: 0; }
.burger__box span:nth-child(2) { top: 5.25px; }
.burger__box span:nth-child(3) { top: 10.5px; }
.burger[aria-expanded="true"] .burger__box span:nth-child(1) { transform: translateY(5.25px) rotate(45deg); }
.burger[aria-expanded="true"] .burger__box span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] .burger__box span:nth-child(3) { transform: translateY(-5.25px) rotate(-45deg); }

/* Panel móvil */
.mnav {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 55;
  background: var(--ink); color: #fff;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: clamp(28px, 6vw, 52px) var(--gutter) calc(env(safe-area-inset-bottom) + 34px);
  overflow-y: auto;
  visibility: hidden; opacity: 0;
  transition: opacity .3s var(--ease), visibility .3s;
}
.mnav.is-open { visibility: visible; opacity: 1; }
.mnav__list { display: grid; gap: 2px; }
.mnav__item { border-top: 1px solid var(--rule-dark); }
.mnav__item:last-child { border-bottom: 1px solid var(--rule-dark); }
.mnav__link {
  display: flex; align-items: baseline; gap: 18px;
  padding: 20px 0;
  font-family: var(--f-display); font-weight: 700;
  font-size: clamp(1.9rem, 8.5vw, 2.9rem);
  line-height: 1; letter-spacing: -.028em; text-transform: uppercase;
  transition: color .2s var(--ease);
}
.mnav__link:hover, .mnav__link[aria-current="page"] { color: var(--brand); }
.mnav__no {
  font-family: var(--f-mono); font-size: 10px; font-weight: 500;
  letter-spacing: .17em; color: var(--muted-2); flex: none;
}
.mnav__foot { display: grid; gap: 14px; padding-top: 34px; }
.mnav__foot a { display: block; font-size: 15px; }
.mnav__foot a:hover { color: var(--brand); }

/* ---------- 7. HERO ---------- */
.hero { position: relative; background: var(--ink); overflow: hidden; }
.hero__media { position: absolute; inset: 0; z-index: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    /* Velo vertical: el titular ocupa ahora casi todo el ancho, así que la
       zona baja necesita cobertura completa, no solo por la izquierda. */
    linear-gradient(180deg, rgba(12,13,16,0) 16%, rgba(12,13,16,.46) 42%, rgba(12,13,16,.72) 62%, rgba(12,13,16,.86) 100%),
    /* Velo horizontal: mantiene el peso a la izquierda, donde va la cota. */
    linear-gradient(100deg, rgba(12,13,16,.80) 0%, rgba(12,13,16,.45) 42%, rgba(12,13,16,.10) 72%, rgba(12,13,16,.20) 100%),
    linear-gradient(180deg, rgba(12,13,16,.40) 0%, rgba(12,13,16,0) 26%);
}
.hero__inner {
  position: relative; z-index: 2;
  display: flex; align-items: flex-end;
  min-height: clamp(460px, calc(100vh - var(--header-h) - 58px), 880px);
  min-height: clamp(460px, calc(100svh - var(--header-h) - 58px), 880px);
  padding-top: clamp(30px, 7vh, 64px);
  padding-bottom: clamp(36px, 5vw, 64px);
}
.hero__content { max-width: 100%; color: #fff; }
.hero__kicker { display: flex; align-items: center; gap: 12px; margin-bottom: clamp(18px, 2.6vw, 28px); color: #fff; }
.hero__kicker .tick { width: 26px; height: 1px; background: var(--brand); flex: none; }
.hero h1 { color: #fff; max-width: 100%; margin-bottom: clamp(18px, 2.2vw, 28px); }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero__text { max-width: 52ch; color: #d5d8dc; font-size: clamp(1rem, 1.35vw, 1.16rem); line-height: 1.6; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: clamp(26px, 3.4vw, 38px); }

/* Franja de datos que asoma bajo el hero */
.datastrip { background: var(--ink); border-top: 1px solid var(--rule-dark); }
.datastrip__in {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 58px;
}
.datastrip__cell {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 0 16px clamp(14px, 2vw, 26px);
  border-left: 1px solid var(--rule-dark);
  color: #cfd3d8;
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
}
.datastrip__cell:first-child { border-left: 0; padding-left: 0; }
.datastrip__cell b { color: var(--brand); font-weight: 500; }

/* Hero de página interna */
.phero { position: relative; background: var(--ink); }
.phero__media { position: absolute; inset: 0; z-index: 0; }
.phero__media img { width: 100%; height: 100%; object-fit: cover; }
.phero__media::after {
  content: ""; position: absolute; inset: 0;
  background:
    /* Velo vertical: el texto se asienta abajo y ocupa todo el ancho, así que
       el degradado horizontal solo no basta (fallaba sobre fotos claras). */
    linear-gradient(180deg, rgba(12,13,16,0) 6%, rgba(12,13,16,.40) 34%, rgba(12,13,16,.74) 62%, rgba(12,13,16,.88) 100%),
    /* Velo horizontal: conserva el peso a la izquierda, donde va la miga. */
    linear-gradient(90deg, rgba(12,13,16,.78) 0%, rgba(12,13,16,.44) 50%, rgba(12,13,16,.16) 100%);
}
.phero__inner {
  position: relative; z-index: 2;
  display: flex; align-items: flex-end;
  min-height: clamp(300px, 50vh, 520px);
  min-height: clamp(300px, 50svh, 520px);
  padding-top: clamp(64px, 14vh, 120px);
  padding-bottom: clamp(30px, 4vw, 52px);
}
.phero__content { color: #fff; max-width: min(100%, 1120px); }
.phero h1 { color: #fff; margin-top: 16px; }
.phero__text { margin-top: 18px; max-width: 58ch; color: #d5d8dc; font-size: clamp(1rem,1.3vw,1.12rem); }
.crumb { display: flex; align-items: center; gap: 10px; color: #fff; }
.crumb span { color: var(--brand); }

/* ---------- 8. CIFRAS (banda naranja) ---------- */
.figures { background: var(--brand); color: var(--ink); }
.figures__in { display: grid; grid-template-columns: minmax(0,4fr) minmax(0,8fr); gap: clamp(34px, 4vw, 64px); padding-block: clamp(56px, 6.5vw, 92px); align-items: center; }
.figures__lead { max-width: 34ch; }
.figures__lead .label { color: rgba(20,22,26,.68); }
.figures__lead p { margin-top: 14px; font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.45; font-weight: 500; }
.figures__row { display: grid; grid-template-columns: repeat(2, 1fr); }
.figures__cell { padding: 0 0 0 clamp(18px, 3vw, 40px); border-left: 1px solid rgba(20,22,26,.28); }
.figures__cell:first-child { border-left: 0; padding-left: 0; }
.figures__num {
  font-family: var(--f-display); font-weight: 700;
  font-size: clamp(3.6rem, 11vw, 8.4rem); line-height: .82;
  letter-spacing: -.045em;
  font-variant-numeric: tabular-nums;
}
.figures__num sup { font-size: .34em; vertical-align: super; letter-spacing: 0; }
.figures__cap { margin-top: 16px; font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .17em; text-transform: uppercase; }

/* ---------- 9. PRINCIPIOS ---------- */
.principles { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--rule); margin-top: var(--sp-block); }
.principles__item { padding: 26px clamp(14px,2vw,28px) 6px; border-left: 1px solid var(--rule); }
.principles__item:first-child { border-left: 0; padding-left: 0; }
.principles__item h3 { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .17em; text-transform: uppercase; color: var(--brand-ink); }
.principles__item p { margin-top: 12px; font-size: 15px; line-height: 1.55; color: var(--muted); }

/* ---------- 10. FIGURAS / IMÁGENES ---------- */
.fig { position: relative; overflow: hidden; background: var(--paper-3); }
.section--ink .fig { background: var(--ink-3); }
.fig img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.fig--4x3 { aspect-ratio: 4/3; }
.fig--3x4 { aspect-ratio: 3/4; }
.fig--1x1 { aspect-ratio: 1/1; }
.fig--16x9 { aspect-ratio: 16/9; }
.fig--3x2 { aspect-ratio: 3/2; }
a:hover > .fig img, button:hover > .fig img, .zoomable:hover img { transform: scale(1.035); }

/* Marcas de registro en las esquinas (motivo de plano) */
.regmark { position: absolute; width: 13px; height: 13px; z-index: 2; pointer-events: none; opacity: .9; }
.regmark::before, .regmark::after { content: ""; position: absolute; background: var(--brand); }
.regmark::before { width: 100%; height: 1px; top: 0; left: 0; }
.regmark::after  { width: 1px; height: 100%; top: 0; left: 0; }
.regmark--tl { top: 10px; left: 10px; }

/* ---------- 11. PROYECTOS DESTACADOS ---------- */
.pfeat { display: grid; gap: 0; }
.pfeat__row {
  display: grid;
  grid-template-columns: repeat(12, minmax(0,1fr));
  gap: clamp(18px, 2.2vw, 34px);
  padding-block: clamp(36px, 4.4vw, 62px);
  border-top: 1px solid var(--rule);
  align-items: start;
}
.pfeat__row:first-child { border-top: 0; padding-top: 0; }
.pfeat__main { grid-column: span 7; }
.pfeat__side { grid-column: span 5; display: grid; gap: clamp(18px, 2vw, 28px); align-content: start; }
.pfeat__row--flip .pfeat__main { grid-column: 6 / span 7; grid-row: 1; }
.pfeat__row--flip .pfeat__side { grid-column: 1 / span 5; grid-row: 1; }
.pfeat__meta { display: grid; gap: 12px; }
.pfeat__top { display: flex; align-items: baseline; gap: 14px; }
.pfeat__no { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .17em; color: var(--brand-ink); }
.pfeat__cat { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .17em; text-transform: uppercase; color: var(--muted); }
.pfeat__place { font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.pfeat__thumbs { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(12px, 1.4vw, 20px); }
.pfeat__cta { margin-top: 6px; }

/* ---------- 12. PRODUCTOS DESTACADOS (banda tinta) ---------- */
.prodfeat { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(22px, 2.6vw, 40px); }
.prodfeat__item { display: flex; flex-direction: column; }

/* La cabecera encabeza la columna con el mismo motivo que el resto del sitio:
   hairline + número de cota + título. Las tres reglas se alinean entre columnas. */
.prodfeat__head {
  display: flex; align-items: baseline; gap: 14px;
  padding: 18px 0 20px;
  border-top: 1px solid var(--rule-dark);
}
.prodfeat__no { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .17em; color: var(--brand); flex: none; }
.prodfeat__name {
  color: #fff;
  font-size: clamp(1.3rem, 2.1vw, 1.8rem);
  letter-spacing: -.022em;
}

/* Imagen principal y miniaturas se leen como un solo bloque fotográfico */
.prodfeat__lead { display: block; }
.prodfeat__thumbs {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(8px, .9vw, 12px);
  margin-top: clamp(8px, .9vw, 12px);
}
.prodfeat__item > p:last-child { margin-top: auto; padding-top: clamp(20px, 2.2vw, 28px); }

/* La regla de la cabecera se enciende al señalar la columna: ata el título
   a su imagen y deja claro que todo el bloque es una misma unidad. */
.prodfeat__item:hover .prodfeat__head { border-top-color: var(--brand); }
.prodfeat__head { transition: border-color .3s var(--ease); }

/* ---------- 13. TESTIMONIOS ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--rule-2); }
.quotes__item { padding: clamp(28px,3vw,40px) clamp(18px,2.4vw,34px) 4px; border-left: 1px solid var(--rule-2); display: grid; align-content: start; gap: 22px; }
.quotes__item:first-child { border-left: 0; padding-left: 0; }
.quotes__mark { font-family: var(--f-display); font-weight: 800; font-size: 42px; line-height: .6; color: var(--brand); height: 22px; }
.quotes__text { font-family: var(--f-display); font-weight: 500; font-size: clamp(1.15rem, 1.75vw, 1.52rem); line-height: 1.3; letter-spacing: -.018em; }
.quotes__by { display: grid; gap: 4px; }
.quotes__by dt { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
.quotes__by dd { margin: 0; font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ---------- 14. CONSTRUCTORAS ---------- */
.clients { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.clients__cell {
  border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
  padding: clamp(24px, 2.8vw, 34px) clamp(18px, 2.2vw, 28px);
  display: flex; align-items: center; gap: 16px; min-height: 116px;
}
.clients__no { font-family: var(--f-mono); font-size: 10.5px; font-weight: 500; letter-spacing: .16em; color: var(--muted); flex: none; }
.clients__name {
  font-family: var(--f-display); font-weight: 600; text-transform: uppercase;
  font-size: clamp(.95rem, 1.35vw, 1.16rem); line-height: 1.12; letter-spacing: -.012em;
  color: #4c5056;
}

/* ---------- 15. CONTACTO + MAPA ---------- */
.contact { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.1fr); background: var(--ink); color: #fff; }
.contact__panel { padding: clamp(52px, 6vw, 96px) clamp(24px, 5vw, 76px); display: grid; align-content: center; gap: clamp(26px,3vw,38px); }
.contact__panel h2 { color: #fff; }
.contact__panel > p { color: #b3b7bd; max-width: 46ch; }
.contact__list { border-top: 1px solid var(--rule-dark); }
.contact__row { display: grid; grid-template-columns: 130px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--rule-dark); align-items: baseline; }
.contact__row dt { font-family: var(--f-mono); font-size: 10.5px; font-weight: 500; letter-spacing: .17em; text-transform: uppercase; color: var(--muted-2); }
.contact__row dd { margin: 0; font-size: 16px; line-height: 1.5; }
.contact__row a:hover { color: var(--brand); }
.contact__map { position: relative; min-height: 380px; background: #e8e6e2; }
.contact__map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(1) contrast(.92) brightness(.98); }
.contact__maplink { position: absolute; right: 18px; bottom: 18px; z-index: 2; background: var(--paper); color: var(--ink); padding: 12px 18px; }
.contact__maplink:hover { background: var(--brand); }

/* ---------- 16. FOOTER ---------- */
.footer { background: var(--ink); color: #fff; border-top: 1px solid var(--rule-dark); }
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: clamp(28px, 3vw, 52px); padding-block: clamp(48px, 5.5vw, 76px); }
.footer__brand img { width: 168px; }
.footer__brand p { margin-top: 20px; color: #9a9ea4; font-size: 14.5px; max-width: 32ch; line-height: 1.6; }
.footer__col h3 { font-family: var(--f-mono); font-size: 10.5px; font-weight: 500; letter-spacing: .17em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 18px; }
.footer__col li + li { margin-top: 11px; }
.footer__col a { font-size: 15px; color: #d5d8dc; }
.footer__col a:hover { color: var(--brand); }
.footer__bot { border-top: 1px solid var(--rule-dark); padding-block: 22px; display: flex; flex-wrap: wrap; gap: 12px 26px; justify-content: space-between; }
.footer__bot p { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .13em; text-transform: uppercase; color: var(--muted-2); }

/* ---------- 17. CTA FINAL ---------- */
.cta { background: var(--paper-2); }
.cta__in { display: grid; grid-template-columns: 1.2fr auto; gap: clamp(26px,3vw,52px); align-items: center; padding-block: clamp(52px, 6vw, 88px); }
.cta__in p { margin-top: 16px; color: var(--muted); max-width: 52ch; }

/* ---------- 18. FILTROS (proyectos) ---------- */
.filters { position: sticky; top: var(--header-h); z-index: 40; background: var(--paper); border-bottom: 1px solid var(--rule); }
.filters__in { display: flex; align-items: center; gap: 10px; padding-block: 14px; overflow-x: auto; scrollbar-width: none; }
.filters__in::-webkit-scrollbar { display: none; }
.chip {
  flex: none;
  padding: 10px 16px;
  border: 1px solid var(--rule-2);
  font-family: var(--f-mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: .15em; text-transform: uppercase; color: var(--muted);
  white-space: nowrap;
  transition: all .22s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip__n { color: var(--muted); margin-left: 7px; }
.chip[aria-pressed="true"] .chip__n { color: var(--brand); }

/* ---------- 19. FICHAS DE PROYECTO ---------- */
.catgroup { padding-top: clamp(46px, 5vw, 76px); }
.catgroup__head { display: flex; align-items: baseline; gap: 16px; padding-bottom: 22px; border-bottom: 1px solid var(--rule); margin-bottom: clamp(28px,3.2vw,44px); flex-wrap: wrap; }
.catgroup__no { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .17em; color: var(--brand-ink); }
.catgroup__count { font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-left: auto; }

.pgrid { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: clamp(24px, 2.6vw, 44px) clamp(20px, 2.4vw, 36px); }
.pcard { display: grid; gap: 16px; align-content: start; }
.pcard__btn { display: block; width: 100%; text-align: left; }
.pcard__meta { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.pcard__name { font-family: var(--f-display); font-weight: 700; text-transform: uppercase; letter-spacing: -.02em; line-height: 1.02; font-size: clamp(1.15rem, 1.75vw, 1.5rem); }
.pcard__place { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.pcard__strip { display: flex; gap: 8px; flex-wrap: wrap; }
.pcard__strip button { width: 62px; flex: none; }
.pcard__strip .fig { aspect-ratio: 1/1; }
.pcard__strip button:not(:hover) img { opacity: .78; transition: opacity .25s var(--ease); }
.pcard__strip button:hover img { opacity: 1; }
.pcard__more { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); align-self: center; }

/* ---------- 20. PRODUCTOS (página) ---------- */
.subnav { position: sticky; top: var(--header-h); z-index: 40; background: var(--paper); border-bottom: 1px solid var(--rule); }
.subnav__in { display: flex; gap: 6px; padding-block: 13px; overflow-x: auto; scrollbar-width: none; }
.subnav__in::-webkit-scrollbar { display: none; }
.subnav__link {
  flex: none; padding: 9px 11px;
  font-family: var(--f-mono); font-size: 10px; font-weight: 500;
  letter-spacing: .09em; text-transform: uppercase; color: var(--muted);
  white-space: nowrap; border: 1px solid transparent;
  transition: all .22s var(--ease);
}
.subnav__link:hover { color: var(--ink); border-color: var(--rule-2); }
.subnav__link.is-active { color: var(--ink); border-color: var(--ink); }

.prodsec { padding-block: clamp(52px, 6vw, 92px); border-top: 1px solid var(--rule); scroll-margin-top: calc(var(--header-h) + 84px); }
.prodsec__in { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(28px, 3.4vw, 64px); align-items: start; }
.prodsec--flip .prodsec__in { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
.prodsec--flip .prodsec__aside { order: 2; }
.prodsec__aside { position: sticky; top: calc(var(--header-h) + 82px); display: grid; gap: 20px; align-content: start; }
.prodsec__no { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .17em; color: var(--brand-ink); }
.prodsec__desc { color: var(--muted); font-size: 15.5px; line-height: 1.62; }
.specs { border-top: 1px solid var(--rule); }
.specs__row { display: grid; grid-template-columns: 96px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.specs__row dt { font-family: var(--f-mono); font-size: 10px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.specs__row dd { margin: 0; font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .06em; color: var(--ink); line-height: 1.5; }

.gal { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: clamp(12px, 1.5vw, 20px); }
.gal__item { display: block; width: 100%; }

/* ---------- 21. NOSOTROS ---------- */
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--rule-2); margin-top: var(--sp-block); position: relative; }
.timeline__item { padding: 30px clamp(16px,2vw,30px) 0 0; position: relative; }
.timeline__item::before { content: ""; position: absolute; top: -1px; left: 0; width: 1px; height: 15px; background: var(--brand); }
.timeline__year { font-family: var(--f-display); font-weight: 700; font-size: clamp(1.7rem, 3.2vw, 2.6rem); line-height: 1; letter-spacing: -.03em; color: var(--brand-ink); }
.timeline__item p { margin-top: 14px; color: var(--muted); font-size: 15px; line-height: 1.58; max-width: 34ch; }

.leader { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 3.6vw, 68px); padding-block: clamp(44px, 5vw, 76px); border-top: 1px solid var(--rule); align-items: start; }
.leader__mark {
  position: relative; aspect-ratio: 4/5; background: var(--paper-2);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--rule);
}
.leader__initials {
  font-family: var(--f-display); font-weight: 800;
  font-size: clamp(4.5rem, 12vw, 9.5rem); line-height: .8;
  letter-spacing: -.06em; color: var(--ink);
}
.leader__mark .label { position: absolute; left: 20px; bottom: 18px; }
.leader__mark .regmark { top: 14px; left: 14px; }
.leader__body { display: grid; gap: 22px; }
.leader__name { display: grid; gap: 8px; }
.leader__facts { border-top: 1px solid var(--rule); }
.leader__fact { display: grid; grid-template-columns: 124px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.leader__fact dt { font-family: var(--f-mono); font-size: 10px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.leader__fact dd { margin: 0; font-size: 14.5px; line-height: 1.5; }

.pullquote { padding: clamp(34px,4vw,56px) 0; border-block: 1px solid var(--rule-2); margin-block: var(--sp-block); }
.pullquote p { font-family: var(--f-display); font-weight: 600; text-transform: uppercase; letter-spacing: -.024em; line-height: 1.06; font-size: clamp(1.5rem, 3.6vw, 3rem); max-width: 26ch; }
.pullquote p em { font-style: normal; color: var(--brand-ink); }

/* ---------- 22. LIGHTBOX ---------- */
.lb {
  position: fixed; inset: 0; z-index: 90;
  background: #0a0b0d;
  display: flex; flex-direction: column;
  visibility: hidden; opacity: 0;
  transition: opacity .28s var(--ease), visibility .28s;
}
.lb.is-open { visibility: visible; opacity: 1; }
.lb__bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px var(--gutter); border-bottom: 1px solid var(--rule-dark); color: #fff; }
.lb__title { display: grid; gap: 4px; min-width: 0; }
.lb__name { font-family: var(--f-display); font-weight: 700; text-transform: uppercase; letter-spacing: -.018em; font-size: clamp(.95rem,1.6vw,1.25rem); line-height: 1.1; }
.lb__count { font-family: var(--f-mono); font-size: 11px; font-weight: 500; letter-spacing: .16em; color: var(--brand); flex: none; }
.lb__close { width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--rule-dark); flex: none; color: #fff; }
.lb__close:hover { background: #fff; color: var(--ink); }
.lb__stage {
  flex: 1 1 auto; min-height: 0; position: relative;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(14px,2.4vw,34px) var(--gutter);
  overflow: hidden;
}
/* width/height al 100% + object-fit:contain evita depender de que un
   max-height porcentual resuelva contra un contenedor de alto automático */
.lb__img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.lb__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; display: grid; place-items: center;
  background: rgba(20,22,26,.72); border: 1px solid var(--rule-dark); color: #fff;
}
.lb__nav:hover { background: var(--brand); border-color: var(--brand); color: var(--ink); }
.lb__nav--prev { left: max(12px, calc(var(--gutter) - 46px)); }
.lb__nav--next { right: max(12px, calc(var(--gutter) - 46px)); }
.lb__foot { padding: 14px var(--gutter) 22px; border-top: 1px solid var(--rule-dark); }
.lb__caption { font-family: var(--f-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); }

/* ---------- 23. REVELADO AL SCROLL ---------- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: .08s; } .rv-d2 { transition-delay: .16s; } .rv-d3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.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;
}

/* ============================================================================
   RESPONSIVE
   ========================================================================== */

/* --- ≤1180px: tablet horizontal --- */
@media (max-width: 1180px) {
  .header__tel { display: none; }
  .nav { gap: 20px; }
  .footer__top { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: span 3; }
}

/* --- ≤1024px: tablet --- */
@media (max-width: 1024px) {
  :root { --header-h: 66px; }
  .figures__in { grid-template-columns: 1fr; align-items: start; }
  .nav, .header__cta { display: none; }
  .burger { display: flex; }

  .hero__inner {
    min-height: clamp(440px, calc(100vh - var(--header-h) - 100px), 880px);
    min-height: clamp(440px, calc(100svh - var(--header-h) - 100px), 880px);
  }
  .hero__content { max-width: 100%; }
  .hero__text { max-width: 60ch; }
  .datastrip__cell { font-size: 10px; letter-spacing: .1em; }

  .figures__row { gap: 0; }
  .principles { grid-template-columns: 1fr 1fr; }
  .principles__item:nth-child(3) { border-left: 0; padding-left: 0; }
  .principles__item:nth-child(-n+2) { border-bottom: 1px solid var(--rule); padding-bottom: 26px; }

  .pfeat__main, .pfeat__row--flip .pfeat__main { grid-column: 1 / -1; grid-row: auto; }
  .pfeat__side, .pfeat__row--flip .pfeat__side { grid-column: 1 / -1; grid-row: auto; }
  .pfeat__side { grid-template-columns: 1fr 1fr; align-items: start; }
  .pfeat__meta { grid-column: 1 / -1; }
  .pfeat__thumbs { grid-column: 1 / -1; }

  .prodfeat { grid-template-columns: 1fr 1fr; }
  .prodfeat__item:nth-child(3) { grid-column: 1 / -1; }
  .prodfeat__item:nth-child(3) .prodfeat__lead .fig { aspect-ratio: 16/9; }

  .quotes { grid-template-columns: 1fr; }
  .quotes__item { border-left: 0; padding-left: 0; padding-block: 30px; border-top: 1px solid var(--rule-2); }
  .quotes__item:first-child { border-top: 0; padding-top: 30px; }

  .contact { grid-template-columns: 1fr; }
  .contact__map { min-height: 340px; height: 44vh; }

  .prodsec__in, .prodsec--flip .prodsec__in { grid-template-columns: 1fr; }
  .prodsec__aside { position: static; }
  .prodsec--flip .prodsec__aside { order: 0; }
  .gal { grid-template-columns: repeat(4, minmax(0,1fr)); }

  .leader { grid-template-columns: 1fr; }
  .leader__mark { aspect-ratio: 16/7; }

  .cta__in { grid-template-columns: 1fr; align-items: start; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: span 2; }
}

/* --- ≤820px: tablet vertical / móvil grande --- */
@media (max-width: 820px) {
  body { font-size: 16px; }
  .figures__row { grid-template-columns: 1fr; }
  .figures__cell { border-left: 0; padding-left: 0; }
  .figures__cell + .figures__cell { margin-top: 34px; padding-top: 30px; border-top: 1px solid rgba(20,22,26,.28); }
  .clients { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .timeline__item { padding: 26px 0 0; border-top: 1px solid var(--rule); }
  .timeline__item:first-child { border-top: 0; }
  .timeline__item p { max-width: 46ch; }
  .contact__row { grid-template-columns: 1fr; gap: 6px; }
}

/* --- ≤640px: móvil --- */
@media (max-width: 640px) {
  :root { --sp-section: 64px; --sp-block: 34px; }
  .sechead { grid-template-columns: 1fr; gap: 14px; }
  .sechead__no { padding-top: 0; }

  .hero__inner {
    min-height: clamp(400px, calc(100vh - var(--header-h) - 116px), 880px);
    min-height: clamp(400px, calc(100svh - var(--header-h) - 116px), 880px);
  }
  .hero__media::after {
    background: linear-gradient(180deg, rgba(12,13,16,.58) 0%, rgba(12,13,16,.47) 22%, rgba(12,13,16,.80) 50%, rgba(12,13,16,.93) 100%);
  }
  .hero__actions .btn { flex: 1 1 100%; justify-content: center; }
  .datastrip__in { grid-template-columns: 1fr; }
  .datastrip__cell { border-left: 0; padding-left: 0; padding-block: 13px; border-bottom: 1px solid var(--rule-dark); }
  .datastrip__cell:last-child { border-bottom: 0; }

  .principles { grid-template-columns: 1fr; }
  .principles__item { border-left: 0; padding: 22px 0; border-bottom: 1px solid var(--rule); }
  .principles__item:last-child { border-bottom: 0; }

  .pfeat__side { grid-template-columns: 1fr; }
  .pfeat__thumbs { grid-template-columns: 1fr 1fr; }
  .prodfeat { grid-template-columns: 1fr; gap: 40px; }
  .prodfeat__item:nth-child(3) .prodfeat__lead .fig { aspect-ratio: 3/4; }

  .clients { grid-template-columns: 1fr; }
  .clients__cell { min-height: 0; padding: 20px 0; border-right: 0; }
  .clients { border-left: 0; }

  .contact__panel { padding-inline: var(--gutter); }
  .contact__map { height: 60vw; min-height: 260px; }

  .gal { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .pgrid { gap: 34px 16px; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__brand { grid-column: span 1; }
  .lb__nav--prev { left: 8px; } .lb__nav--next { right: 8px; }
  .lb__nav { width: 44px; height: 44px; }
}

/* ============================================================================
   24. TRAMOS DE RETÍCULA (fichas de proyecto y galerías de producto)
   ========================================================================== */
.pcard__desc { color: var(--muted); font-size: 15px; line-height: 1.58; max-width: 46ch; }

.pcard[data-s="5"]  { grid-column: span 5; }
.pcard[data-s="6"]  { grid-column: span 6; }
.pcard[data-s="7"]  { grid-column: span 7; }
.pcard[data-s="12"] { grid-column: span 12; }

.gal__item[data-s="2"] { grid-column: span 2; }
.gal__item[data-s="3"] { grid-column: span 3; }
.gal__item[data-s="6"] { grid-column: span 6; }

@media (max-width: 1024px) {
  .pcard[data-s]      { grid-column: span 6; }
  .pcard[data-s="12"] { grid-column: span 12; }
  .gal__item[data-s="2"] { grid-column: span 2; }
  .gal__item[data-s="3"] { grid-column: span 2; }
  .gal__item[data-s="6"] { grid-column: span 4; }
}
@media (max-width: 640px) {
  .pcard[data-s] { grid-column: span 12; }
  .gal__item[data-s="2"], .gal__item[data-s="3"] { grid-column: span 1; }
  .gal__item[data-s="6"] { grid-column: span 2; }
}

/* Bloque de texto de dos columnas -> una sola en pantallas medias */
@media (max-width: 900px) {
  .grid12 > [style*="span 6"] { grid-column: 1 / -1 !important; }
  .grid12 > [style*="span 5"],
  .grid12 > [style*="span 4"],
  .grid12 > [style*="span 3"] { grid-column: 1 / -1 !important; }
}

/* Tira editorial de nosotros.html: escalonado deliberado, no accidental */
.striprow { align-items: end; }
@media (max-width: 900px) { .striprow { align-items: stretch; } }

/* ============================================================================
   25. REGLA VERTICAL ENTRE COLUMNAS DE TEXTO
   El padding izquierdo iguala el gap de la retícula, de modo que el hairline
   queda centrado entre ambos bloques.
   ========================================================================== */
.grid12--rule > * + * {
  border-left: 1px solid var(--rule);
  padding-left: clamp(20px, 2.4vw, 40px);
}
.section--ink .grid12--rule > * + * { border-left-color: var(--rule-dark); }

@media (max-width: 900px) {
  /* Al apilarse, la separación pasa a ser horizontal */
  .grid12--rule > * + * {
    border-left: 0;
    border-top: 1px solid var(--rule);
    padding-left: 0;
    padding-top: clamp(24px, 4vw, 34px);
  }
  .section--ink .grid12--rule > * + * { border-top-color: var(--rule-dark); }
}

/* ============================================================================
   26. DESTINOS DE ANCLA
   Sin scroll-margin, al saltar a un #id el contenido queda debajo de las
   cabeceras fijas (header + barra de filtros o subnav).
   ========================================================================== */
#contacto        { scroll-margin-top: calc(var(--header-h) + 20px); }
#main            { scroll-margin-top: calc(var(--header-h) + 88px); }
.catgroup        { scroll-margin-top: calc(var(--header-h) + 88px); } /* header + filtros */

/* ============================================================================
   27. ÁREAS TÁCTILES EN PANTALLAS TÁCTILES
   Varios enlaces de texto medían 15-25px de alto, por debajo del mínimo
   de 24px de WCAG 2.5.8. Se amplía la zona activa sin mover el diseño.
   ========================================================================== */
@media (max-width: 1024px) {
  .footer__col a,
  .contact__row dd a,
  .mnav__foot a       { display: inline-block; padding-block: 7px; }
  .footer__col li + li { margin-top: 2px; }
  .footer__col h3      { margin-bottom: 11px; }

  .arrow-link          { padding-top: 10px; }

  .crumb a             { display: inline-block; padding: 9px 6px; margin: -9px -6px; }

  .pcard__strip button { width: 72px; }
}