/* =========================================================
   Construmet · Prototipo
   ========================================================= */

:root {
  /* Marca */
  --azul: #143679;
  --azul-900: #0b1f4a;
  --azul-800: #102c63;
  --granate: #743d41;
  --granate-600: #8a4a4f;
  --granate-claro: #e9a9ad;

  /* Mismos colores en formato R, G, B para usarlos con transparencia */
  --azul-rgb: 20, 54, 121;
  --granate-rgb: 116, 61, 65;
  --oscuro-rgb: 11, 31, 74;

  /* Neutros (gris acero, ligeramente azulado) */
  --tinta: #121826;
  --texto: #3d4555;
  --gris: #6b7385;
  --linea: #dde2ea;
  --suave: #f1f3f7;
  --blanco: #ffffff;

  /* Tipografía */
  --f-titulo: "Outfit", system-ui, sans-serif;
  --f-texto: "Inter", system-ui, sans-serif;

  /* Medidas */
  --container: 1200px;
  --gutter: clamp(16px, 4vw, 32px);
  --radio: 14px;
  --radio-sm: 8px;
  --sombra: 0 10px 30px -12px rgba(var(--oscuro-rgb), .25);
  --header-h: 80px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
html:has(.lines) { scroll-padding-top: calc(var(--header-h) + 64px); }

body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--texto);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-titulo); color: var(--tinta); line-height: 1.1; margin: 0; }
p { margin: 0 0 1em; }

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

/* Dato pendiente de confirmar con el cliente */
.todo { background: rgba(255, 214, 0, .35); outline: 1px dashed rgba(180, 140, 0, .8); outline-offset: 2px; }

/* ---------- Placeholders de foto ---------- */
.ph {
  position: relative;
  background-color: #c9d0dc;
  background-image:
    repeating-linear-gradient(135deg, rgba(255,255,255,.18) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, #d6dce6, #aeb8c8);
  overflow: hidden;
}
.ph::after {
  content: attr(data-ph);
  position: absolute;
  left: 12px; bottom: 12px;
  max-width: calc(100% - 24px);
  padding: 6px 10px 6px 30px;
  font: 500 .75rem/1.3 var(--f-texto);
  color: var(--tinta);
  background: rgba(255,255,255,.85) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23143679' stroke-width='2'%3E%3Cpath d='M4 7h3l2-3h6l2 3h3v12H4z'/%3E%3Ccircle cx='12' cy='13' r='3.5'/%3E%3C/svg%3E") 9px center / 14px no-repeat;
  border-radius: 6px;
}
.ph--dark {
  background-color: #1a2440;
  background-image:
    repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 2px, transparent 2px 14px),
    radial-gradient(circle at 70% 60%, rgba(255,160,60,.35), transparent 35%),
    linear-gradient(160deg, #26324f, #0d1424);
}

/* ---------- Fotos reales: rellenan su caja igual que los huecos ---------- */
.media { position: relative; overflow: hidden; background: var(--suave); }
.media > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.media::before { z-index: 1; } /* degradados de las portadas, por encima de la foto */
/* En las portadas lo importante está a la derecha (el texto va a la izquierda): al recortar en móvil, que se vea */
.hero__bg > img, .page-hero__bg > img, .band__bg > img { object-position: 72% 50%; }
.hero__bg.media, .page-hero__bg.media, .band__bg.media, .doors__img.media { background: var(--azul-900); }

/* ---------- Botones y enlaces ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .8em 1.4em;
  font: 600 .95rem/1 var(--f-titulo);
  letter-spacing: .01em;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn--lg { padding: 1em 1.7em; font-size: 1.02rem; }
.btn--block { width: 100%; }
.btn--primary { background: var(--granate); color: var(--blanco); }
.btn--primary:hover { background: var(--granate-600); }
.btn--light { background: var(--blanco); color: var(--azul); }
.btn--light:hover { background: var(--suave); }
.btn--outline { border-color: var(--azul); color: var(--azul); }
.btn--outline:hover { background: var(--azul); color: var(--blanco); }
.btn--ghost-light { border-color: rgba(255,255,255,.6); color: var(--blanco); }
.btn--ghost-light:hover { background: var(--blanco); color: var(--azul); border-color: var(--blanco); }

.link-arrow {
  display: inline-flex;
  gap: .4em;
  font: 600 .95rem var(--f-titulo);
  color: var(--azul);
  text-decoration: none;
}
.link-arrow span { transition: transform .2s; }
.link-arrow:hover span { transform: translateX(4px); }

/* Antetítulo con la doble barra de color del logo */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font: 600 .8rem/1 var(--f-texto);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--granate);
}
.kicker::before {
  content: "";
  width: 28px; height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--granate) 50%, var(--azul) 50%);
}
.kicker--light { color: var(--granate-claro); }
.kicker--light::before { background: linear-gradient(90deg, var(--granate-claro) 50%, var(--blanco) 50%); }

/* ---------- Cabecera ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(8px);
  transition: box-shadow .2s;
}
.header.is-scrolled { box-shadow: 0 4px 20px -8px rgba(var(--oscuro-rgb), .2); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
}
.header__logo img { width: 180px; height: auto; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav__list { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__list > li > a,
.nav__sub-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font: 500 .98rem var(--f-titulo);
  color: var(--tinta);
  text-decoration: none;
  background: none;
  border: 0;
  border-radius: var(--radio-sm);
  cursor: pointer;
}
.nav__list > li > a:hover,
.nav__sub-toggle:hover { color: var(--azul); background: var(--suave); }
.nav__list > li > a.is-active { color: var(--azul); }

.nav__has-sub { position: relative; }
.nav__sub {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  margin: 0;
  padding: 8px;
  list-style: none;
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.nav__has-sub:hover .nav__sub,
.nav__has-sub.is-open .nav__sub { opacity: 1; visibility: visible; transform: none; }
.nav__sub a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  font: 500 .95rem var(--f-titulo);
  color: var(--tinta);
  text-decoration: none;
  border-radius: var(--radio-sm);
}
.nav__sub a:hover { background: var(--suave); color: var(--azul); }

.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot--hierro { background: #3a3f48; }
.dot--aluminio { background: #b9c1cd; }
.dot--acero { background: #7d8898; }
.dot--cristal { background: #9fd3e6; }
.dot--puertas { background: var(--granate); }

.burger {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 24px; height: 2.5px;
  margin: 5px auto;
  background: var(--azul);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--header-h));
  min-height: calc(100svh - var(--header-h));
  color: var(--blanco);
  isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(var(--oscuro-rgb), .92) 0%, rgba(var(--oscuro-rgb), .7) 45%, rgba(var(--oscuro-rgb), .15) 100%);
}
.hero__bg::after { left: auto; right: 12px; bottom: auto; top: 12px; }
.hero__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: 80px 60px;
}
.hero__title {
  max-width: 13ch;
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 6.5vw, 5rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--blanco);
}
.hero__text { max-width: 52ch; font-size: 1.15rem; color: rgba(255,255,255,.85); margin-bottom: 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__strip { background: rgba(var(--oscuro-rgb), .85); border-top: 1px solid rgba(255,255,255,.12); }
.hero__strip-inner {
  display: grid;
  grid-template-columns: repeat(3, auto);
  justify-content: space-between;
  gap: 24px;
  padding-block: 22px;
}
.hero__fact { display: flex; align-items: center; gap: 12px; font-size: .95rem; color: rgba(255,255,255,.8); }
.hero__fact strong { color: var(--blanco); font-weight: 600; }
.hero__fact svg {
  flex: none;
  width: 26px; height: 26px;
  fill: none;
  stroke: var(--blanco);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Secciones ---------- */
.section { padding-block: clamp(72px, 10vw, 120px); }
.section--soft { background: var(--suave); }
.section--dark { background: var(--azul-900); color: rgba(255,255,255,.8); }
.section--blue { background: var(--azul); color: rgba(255,255,255,.85); }
.section--dark .section__title,
.section--blue .section__title { color: var(--blanco); }

.section__head { max-width: 680px; margin-bottom: 56px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__head--split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
}
.section__title {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -.015em;
  margin-bottom: 18px;
}
.section__head--split .section__title { margin-bottom: 0; }
.section__lead { font-size: 1.12rem; }

/* ---------- Materiales ---------- */
.materials {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.material {
  display: flex;
  flex-direction: column;
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.material:hover { transform: translateY(-4px); box-shadow: var(--sombra); border-color: transparent; }
.material__img { aspect-ratio: 4 / 3; }
.material__body { display: flex; flex-direction: column; flex: 1; padding: 24px; }
.material__num { font: 700 .85rem var(--f-titulo); color: var(--granate); letter-spacing: .05em; }
.material__title { font-size: 1.6rem; font-weight: 700; margin: 4px 0 14px; color: var(--azul); }
.material__list { list-style: none; margin: 0 0 20px; padding: 0; font-size: .97rem; flex: 1; }
.material__list li { padding: 7px 0; border-top: 1px solid var(--linea); }
.material__list li:last-child { border-bottom: 1px solid var(--linea); }

/* ---------- Puertas ---------- */
.doors {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.doors__intro .btn { margin-top: 8px; }
.doors__img { margin-top: 40px; aspect-ratio: 16 / 10; border-radius: var(--radio); }
.doors__list { list-style: none; margin: 0; padding: 0; counter-reset: none; }
.doors__list li {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 20px;
  padding: 20px 0;
  font: 600 clamp(1.15rem, 2vw, 1.4rem) var(--f-titulo);
  color: var(--blanco);
  border-bottom: 1px solid rgba(255,255,255,.14);
  transition: padding-left .2s, color .2s;
}
.doors__list li:first-child { border-top: 1px solid rgba(255,255,255,.14); }
.doors__list li:hover { padding-left: 8px; color: var(--granate-claro); }
.doors__list span { width: 2ch; font-size: .85rem; color: var(--granate-claro); }
.doors__list em {
  margin-left: auto;
  font: 400 .9rem var(--f-texto);
  font-style: normal;
  color: rgba(255,255,255,.55);
}

/* ---------- Empresa ---------- */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.about__media { position: relative; }
.about__img { aspect-ratio: 4 / 5; border-radius: var(--radio); }
.about__img::after { bottom: auto; top: 12px; }
.about__badge {
  position: absolute;
  right: -20px;
  bottom: 40px;
  display: flex;
  flex-direction: column;
  max-width: 200px;
  padding: 22px 26px;
  background: var(--granate);
  color: rgba(255,255,255,.85);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  font-size: .92rem;
  line-height: 1.35;
}
.about__badge strong { font: 800 2.6rem/1 var(--f-titulo); color: var(--blanco); margin-bottom: 6px; }
.checks { list-style: none; margin: 32px 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.checks li { position: relative; padding-left: 36px; display: flex; flex-direction: column; font-size: .97rem; }
.checks li::before {
  content: "";
  position: absolute;
  left: 0; top: 1px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--azul) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center / 14px no-repeat;
}
.checks strong { font: 600 1.08rem var(--f-titulo); color: var(--tinta); margin-bottom: 2px; }

/* ---------- Pasos ---------- */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.step { position: relative; padding: 32px 24px; background: var(--blanco); border-radius: var(--radio); }
.step__num {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  margin-bottom: 20px;
  font: 800 1.4rem var(--f-titulo);
  color: var(--blanco);
  background: var(--azul);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(var(--azul-rgb), .12);
}
.step:nth-child(even) .step__num { background: var(--granate); box-shadow: 0 0 0 6px rgba(var(--granate-rgb), .14); }
.step h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: .97rem; margin: 0; }

/* ---------- Trabajos ---------- */
.works {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 24px;
  height: 560px;
}
.work { position: relative; margin: 0; border-radius: var(--radio); overflow: hidden; }
.work--big { grid-row: span 2; }
.work__img { position: absolute; inset: 0; transition: transform .5s; }
.work__img::after { bottom: auto; top: 12px; }
.work:hover .work__img { transform: scale(1.03); }
.work figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 60px 24px 22px;
  display: flex;
  flex-direction: column;
  font: 600 1.15rem var(--f-titulo);
  color: var(--blanco);
  background: linear-gradient(transparent, rgba(var(--oscuro-rgb), .85));
}
.work figcaption span {
  font: 600 .75rem var(--f-texto);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--granate-claro);
  margin-bottom: 4px;
}

/* ---------- Contacto ---------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.contact__data { list-style: none; margin: 40px 0 0; padding: 0; display: grid; gap: 20px; }
.contact__data li { display: flex; gap: 16px; align-items: flex-start; }
.contact__data a { color: var(--blanco); text-decoration: none; font-weight: 500; }
.contact__data a:hover { text-decoration: underline; }
.contact__data .todo { color: var(--tinta); }
.contact__data svg {
  flex: none;
  width: 42px; height: 42px;
  padding: 10px;
  fill: none;
  stroke: var(--blanco);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  background: rgba(255,255,255,.1);
  border-radius: 50%;
}
.contact__data li > span, .contact__data li > a { padding-top: 8px; }

.form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 40px);
  background: var(--blanco);
  border-radius: calc(var(--radio) + 4px);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.35);
  color: var(--texto);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 6px; font: 500 .9rem var(--f-texto); color: var(--tinta); }
.form input:not([type="checkbox"]),
.form select,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  font: 400 1rem var(--f-texto);
  color: var(--tinta);
  background: var(--suave);
  border: 1.5px solid transparent;
  border-radius: var(--radio-sm);
  transition: border-color .2s, background-color .2s;
}
.form input:focus,
.form select:focus,
.form textarea:focus { outline: none; border-color: var(--azul); background: var(--blanco); }
.form textarea { resize: vertical; }
.form__check { grid-template-columns: auto 1fr !important; align-items: start; font-weight: 400 !important; font-size: .88rem !important; color: var(--gris) !important; }
.form__check input { margin-top: 3px; accent-color: var(--azul); width: 16px; height: 16px; }
.form__check a { color: var(--azul); }
.form .is-invalid { border-color: #c0392b !important; }
.form__ok { margin: 0; padding: 12px 16px; background: #e8f5ec; color: #1e6b3a; border-radius: var(--radio-sm); font-weight: 500; }

.map { line-height: 0; }
.map iframe { width: 100%; height: 380px; border: 0; filter: grayscale(.6) contrast(1.05); }

/* ---------- Pie ---------- */
.footer { background: var(--azul-900); color: rgba(255,255,255,.65); font-size: .95rem; }
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-block: 72px 48px;
}
.footer__brand img { width: 200px; height: auto; margin-bottom: 20px; }
.footer__brand p { max-width: 34ch; }
.footer__title { font: 600 1rem var(--f-titulo); color: var(--blanco); margin-bottom: 16px; }
.footer__links { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--blanco); }
.footer .todo { color: var(--blanco); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-block: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: .85rem;
}
.footer__bottom p { margin: 0; }
.footer__bottom ul { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; }

/* =========================================================
   Páginas de producto
   ========================================================= */
.nav__sub-toggle.is-active { color: var(--azul); }
.nav__sub a[aria-current="page"] { background: var(--suave); color: var(--azul); }

/* Cabecera de página */
/* Foto a sangre con degradado azul para leer el texto */
.page-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(520px, 78vh, 760px);
  color: rgba(255,255,255,.88);
  isolation: isolate;
}
.page-hero__bg { position: absolute; inset: 0; z-index: -1; }
.page-hero__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(var(--oscuro-rgb), .75) 0%, rgba(var(--oscuro-rgb), 0) 45%),
    linear-gradient(90deg, rgba(var(--oscuro-rgb), .88) 0%, rgba(var(--oscuro-rgb), .55) 45%, rgba(var(--oscuro-rgb), 0) 80%);
}
.page-hero__bg::after { left: auto; right: 12px; bottom: auto; top: 12px; }
.page-hero__inner { padding-block: clamp(56px, 8vw, 96px); }
.page-hero__text { max-width: 640px; }
.page-hero__title {
  margin-bottom: 20px;
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--blanco);
}
.page-hero__lead { max-width: 54ch; font-size: 1.12rem; margin-bottom: 32px; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
  font-size: .88rem;
  color: rgba(255,255,255,.55);
}
.breadcrumb a { color: rgba(255,255,255,.75); text-decoration: none; }
.breadcrumb a:hover { color: var(--blanco); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--blanco); }

/* Barra para saltar entre materiales */
.lines {
  position: sticky;
  top: var(--header-h);
  z-index: 40;
  background: var(--blanco);
  border-bottom: 1px solid var(--linea);
}
.lines__inner {
  display: flex;
  gap: 8px;
  padding-block: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.lines__inner::-webkit-scrollbar { display: none; }
.lines a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 8px 16px;
  font: 500 .95rem var(--f-titulo);
  color: var(--tinta);
  text-decoration: none;
  border: 1.5px solid var(--linea);
  border-radius: 999px;
  transition: border-color .2s, background-color .2s, color .2s;
}
.lines a:hover { border-color: var(--azul); color: var(--azul); }
.lines a[aria-current="page"] { background: var(--azul); border-color: var(--azul); color: var(--blanco); }

/* Rejilla de productos */
.products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 24px;
}
.product { display: flex; flex-direction: column; }
.product__img { aspect-ratio: 4 / 3; border-radius: var(--radio); transition: transform .3s; }
.product:hover .product__img { transform: translateY(-4px); }
.product__body { display: flex; flex-direction: column; flex: 1; padding: 22px 4px 0; }
.product__title { font-size: 1.45rem; font-weight: 700; color: var(--azul); margin-bottom: 10px; }
.product__body p { font-size: .98rem; flex: 1; margin-bottom: 16px; }

/* Ventajas */
.benefits {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.benefits__intro p:last-child { margin: 0; }
.benefits__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.benefits__list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 28px 24px;
  background: var(--blanco);
  border-radius: var(--radio);
  font-size: .95rem;
}
.benefits__list svg {
  width: 44px; height: 44px;
  margin-bottom: 12px;
  padding: 10px;
  fill: none;
  stroke: var(--blanco);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  background: var(--azul);
  border-radius: 50%;
}
.benefits__list li:nth-child(2) svg,
.benefits__list li:nth-child(3) svg { background: var(--granate); }
.benefits__list strong { font: 600 1.15rem var(--f-titulo); color: var(--tinta); }

/* Otros materiales */
.others {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.other {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-decoration: none;
}
.other__img { aspect-ratio: 1; border-radius: var(--radio); transition: transform .3s; }
.other:hover .other__img { transform: translateY(-4px); }
.other__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 600 1.15rem var(--f-titulo);
  color: var(--tinta);
}
.other__arrow { margin-left: auto; color: var(--azul); transition: transform .2s; }
.other:hover .other__arrow { transform: translateX(4px); }

/* =========================================================
   Empresa
   ========================================================= */
.intro {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}
.intro__text .section__lead { color: var(--tinta); }
.stats { margin: 0; display: grid; gap: 16px; }
.stat {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "dd dt" "dd span";
  align-items: center;
  column-gap: 24px;
  padding: 24px 28px;
  background: var(--suave);
  border-left: 4px solid var(--azul);
  border-radius: 0 var(--radio) var(--radio) 0;
}
.stat:nth-child(2) { border-color: var(--granate); }
.stat dt { grid-area: dt; align-self: end; font: 600 .78rem var(--f-texto); letter-spacing: .12em; text-transform: uppercase; color: var(--gris); }
.stat dd { grid-area: dd; margin: 0; min-width: 3.4ch; font: 800 clamp(2.4rem, 4vw, 3.2rem)/1 var(--f-titulo); color: var(--azul); }
.stat:nth-child(2) dd { color: var(--granate); }
.stat span { grid-area: span; align-self: start; font-size: .95rem; }

/* Franja con foto a sangre */
.band {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(420px, 60vh, 600px);
  color: rgba(255,255,255,.88);
  isolation: isolate;
}
.band__bg { position: absolute; inset: 0; z-index: -1; }
.band__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(var(--oscuro-rgb), .88) 0%, rgba(var(--oscuro-rgb), .5) 50%, rgba(var(--oscuro-rgb), 0) 85%);
}
.band__bg::after { left: auto; right: 12px; bottom: auto; top: 12px; }
.band__inner { padding-block: 72px 128px; } /* abajo deja sitio a la galería que se monta encima */
.band__inner > * { max-width: 560px; }
.band__title {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--blanco);
}
.band p:last-child { font-size: 1.1rem; margin: 0; }

.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: -64px;
  position: relative;
}
.gallery__img { aspect-ratio: 4 / 3; border-radius: var(--radio); box-shadow: var(--sombra); border: 6px solid var(--blanco); }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value {
  padding: 36px 32px;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  transition: border-color .25s, box-shadow .25s;
}
.value:hover { border-color: transparent; box-shadow: var(--sombra); }
.value svg, .audience__body svg, .contact-card svg {
  width: 52px; height: 52px;
  padding: 12px;
  fill: none;
  stroke: var(--blanco);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  background: var(--azul);
  border-radius: 50%;
}
.value:nth-child(2) svg { background: var(--granate); }
.value h3 { margin: 22px 0 10px; font-size: 1.35rem; font-weight: 700; }
.value p { margin: 0; font-size: .98rem; }

.audience { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.audience__item { background: var(--blanco); border-radius: var(--radio); overflow: hidden; }
.audience__img { aspect-ratio: 16 / 10; }
.audience__img::after { bottom: auto; top: 12px; }
.audience__body { position: relative; padding: 0 28px 30px; }
.audience__body svg { margin-top: -26px; position: relative; box-shadow: 0 0 0 5px var(--blanco); }
.audience__body h3 { margin: 16px 0 8px; font-size: 1.3rem; font-weight: 700; }
.audience__body p { margin: 0; font-size: .97rem; }

/* Llamada a la acción final */
.cta { background: var(--granate); color: rgba(255,255,255,.85); }
.cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px 48px;
  padding-block: clamp(48px, 7vw, 72px);
}
.cta__title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; color: var(--blanco); margin-bottom: 6px; }
.cta p { margin: 0; font-size: 1.1rem; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.cta .btn--light { color: var(--granate); }
.btn__icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.cta .todo { color: var(--tinta); }

/* =========================================================
   Contacto
   ========================================================= */
.page-hero--short { min-height: clamp(420px, 56vh, 560px); }

.contact-page {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.contact-cards { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 14px; }
.contact-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 22px;
  background: var(--suave);
  border-radius: var(--radio);
}
.contact-card svg { flex: none; width: 46px; height: 46px; padding: 11px; }
.contact-card:nth-child(even) svg { background: var(--granate); }
.contact-card div { display: flex; flex-direction: column; gap: 2px; }
.contact-card__label { font: 600 .75rem var(--f-texto); letter-spacing: .12em; text-transform: uppercase; color: var(--gris); }
.contact-card__value { font: 600 1.12rem/1.4 var(--f-titulo); color: var(--tinta); }
.contact-card__value a { text-decoration: none; }
.contact-card__value a:hover { color: var(--azul); }
.contact-card .link-arrow { margin-top: 6px; font-size: .9rem; }

.contact-page__form .form { margin-top: 32px; box-shadow: var(--sombra); border: 1px solid var(--linea); }

.faq {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.faq__list { display: grid; gap: 12px; }
.faq details { background: var(--blanco); border-radius: var(--radio); }
.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font: 600 1.08rem var(--f-titulo);
  color: var(--tinta);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  font: 500 1.3rem/1 var(--f-titulo);
  color: var(--blanco);
  background: var(--azul);
  border-radius: 50%;
  transition: transform .2s, background-color .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); background: var(--granate); }
.faq details p { margin: 0; padding: 0 24px 22px; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .materials { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .products { grid-template-columns: repeat(2, 1fr); }
  .others { grid-template-columns: repeat(2, 1fr); }
  .other__img { aspect-ratio: 16 / 10; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  :root { --header-h: 68px; }
  .header__logo img { width: 150px; }
  .burger { display: block; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    padding: 24px var(--gutter) 40px;
    background: var(--blanco);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s, transform .25s, visibility .25s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list > li { border-bottom: 1px solid var(--linea); }
  .nav__list > li > a,
  .nav__sub-toggle { width: 100%; justify-content: space-between; padding: 16px 4px; font-size: 1.2rem; border-radius: 0; }
  .nav__list > li > a:hover, .nav__sub-toggle:hover { background: none; }
  .nav__sub {
    position: static;
    display: none;
    min-width: 0;
    padding: 0 0 12px;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav__has-sub:hover .nav__sub { display: none; }
  .nav__has-sub.is-open .nav__sub { display: block; }
  .nav__has-sub.is-open .nav__sub-toggle svg { transform: rotate(180deg); }
  .nav__cta { padding: 1em; font-size: 1.05rem; }

  .doors, .about, .contact, .benefits, .intro, .contact-page, .faq { grid-template-columns: 1fr; }
  .values, .audience { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .band__bg::before { background: linear-gradient(0deg, rgba(var(--oscuro-rgb), .92) 0%, rgba(var(--oscuro-rgb), .55) 70%, rgba(var(--oscuro-rgb), .3) 100%); }
  .band { align-items: flex-end; }
  .page-hero__bg::before { background: linear-gradient(0deg, rgba(var(--oscuro-rgb), .92) 0%, rgba(var(--oscuro-rgb), .6) 60%, rgba(var(--oscuro-rgb), .25) 100%); }
  .about__badge { right: 16px; }
  .about__img { aspect-ratio: 4 / 3; }
  .works { grid-template-columns: 1fr 1fr; grid-template-rows: 320px 220px; height: auto; }
  .work--big { grid-row: auto; grid-column: span 2; }
}

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .hero__content { padding-block: 56px 40px; }
  .hero__actions .btn { width: 100%; }
  .hero__strip-inner { grid-template-columns: 1fr; gap: 14px; padding-block: 20px; }
  .hero__fact { font-size: .85rem; gap: 10px; }
  .hero__fact svg { width: 22px; height: 22px; }
  .materials, .steps, .products, .benefits__list { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; margin-top: -40px; gap: 12px; }
  .gallery__img:first-child { grid-column: span 2; }
  .gallery__img { border-width: 4px; }
  .stat { padding: 20px; column-gap: 18px; }
  .cta__actions, .cta__actions .btn { width: 100%; }
  .contact-card { padding: 16px; gap: 14px; }
  .contact-card__value { font-size: 1.02rem; }
  .faq summary { padding: 18px; font-size: 1rem; }
  .faq details p { padding: 0 18px 18px; }  .checks { grid-template-columns: 1fr; }
  .section__head--split { flex-direction: column; align-items: flex-start; }
  .works { grid-template-columns: 1fr; grid-template-rows: none; }
  .work { aspect-ratio: 4 / 3; }
  .work--big { grid-column: auto; }
  .form__row { grid-template-columns: 1fr; }
  .doors__list em { margin-left: 2ch; flex-basis: 100%; padding-left: 20px; }
  .footer__grid { grid-template-columns: 1fr; padding-block: 56px 32px; }
  .map iframe { height: 300px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}