/* ============================================================
   GRUPO MATRA — Sistema de diseño
   Ajusta :root para cambiar colores, tipografía y espaciado
   en un solo lugar.
   ============================================================ */

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

/* ── 1. TOKENS ─────────────────────────────────────────────── */
:root {
  /* Colores de marca */
  --red:          #e11313;
  --red-dark:     #b80e0e;
  --red-alpha:    rgba(225,19,19,.12);

  /* Escala de grises */
  --dark:         #111113;
  --charcoal:     #1e1e20;
  --gray-800:     #2c2c2e;
  --gray-700:     #3a3a3c;
  --gray-500:     #6b6b6d;
  --gray-300:     #c4c4c8;
  --gray-100:     #f5f5f7;
  --white:        #ffffff;

  /* Tipografía */
  --font-display: myriad-pro, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Escala tipográfica fluida */
  --text-xs:   .75rem;
  --text-sm:   .875rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.25rem;
  --text-xl:   1.5rem;
  --text-2xl:  clamp(1.5rem, 2.5vw, 2rem);
  --text-3xl:  clamp(1.875rem, 3.5vw, 2.75rem);
  --text-hero: clamp(2.25rem, 5vw, 4.25rem);

  /* Espaciado */
  --sp-1:  .25rem;
  --sp-2:  .5rem;
  --sp-3:  .75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-14: 3.5rem;
  --sp-16: 4rem;
  --sp-section: clamp(64px, 8vw, 96px);

  /* Sombras */
  --shadow-sm:  0 1px 4px rgba(0,0,0,.06);
  --shadow-md:  0 4px 20px rgba(0,0,0,.09);
  --shadow-lg:  0 12px 48px rgba(0,0,0,.13);
  --shadow-red: 0 6px 20px rgba(225,19,19,.30);

  /* Bordes redondeados */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-full: 9999px;

  /* Transiciones */
  --ease:      .26s cubic-bezier(.4,0,.2,1);
  --ease-slow: .46s cubic-bezier(.4,0,.2,1);

  /* Layout */
  --nav-h:      72px;
  --cont-max:   1260px;
  --cont-pad:   clamp(1rem, 4vw, 2.5rem);
}

/* ── 2. RESET LIGERO ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }

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

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

/* ── 3. UTILIDADES ─────────────────────────────────────────── */
.u-container {
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}

.u-section {
  padding-block: var(--sp-section);
}

.u-section-header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: var(--sp-12);
}

.u-eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: var(--sp-3);
}

.u-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.15;
  letter-spacing: -.025em;
  margin: 0 0 var(--sp-4);
}

.u-subtitle {
  font-size: var(--text-md);
  color: var(--gray-500);
  line-height: 1.7;
  margin: 0;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: .75rem 1.75rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--ease);
  white-space: nowrap;
}

.btn-red {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn-red:hover, .btn-red:focus {
  background: var(--red-dark);
  border-color: var(--red-dark);
  color: var(--white);
  box-shadow: var(--shadow-red);
  transform: translateY(-1px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.65);
}
.btn-outline-white:hover, .btn-outline-white:focus {
  background: var(--white);
  color: var(--dark);
  border-color: var(--white);
}

.btn-outline-red {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}
.btn-outline-red:hover, .btn-outline-red:focus {
  background: var(--red);
  color: var(--white);
}

/* ── 4. HEADER / NAVEGACIÓN ────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow var(--ease);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  height: var(--nav-h);
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}

/* Logo */
.site-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.site-logo img {
  height: 44px;
  width: auto;
  transition: opacity var(--ease);
}
.site-logo:hover img { opacity: .85; }

/* Nav principal (desktop) */
.main-nav {
  flex: 1;
}
.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.main-nav__item {
  position: relative;
}
.main-nav__link {
  display: flex;
  align-items: center;
  gap: .3em;
  padding: .5rem .9rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: var(--ease);
  white-space: nowrap;
}
.main-nav__link:hover,
.main-nav__link.is-active {
  color: var(--red);
  background: var(--red-alpha);
}
.main-nav__caret {
  font-size: .6em;
  transition: transform var(--ease);
}
.main-nav__item:hover .main-nav__caret {
  transform: rotate(180deg);
}

/* Dropdown */
.main-nav__dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 220px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
  z-index: 100;
  overflow: hidden;
}
.main-nav__item:hover .main-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.main-nav__dropdown li a {
  display: block;
  padding: .65rem 1.1rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--ease);
  border-bottom: 1px solid var(--gray-100);
}
.main-nav__dropdown li:last-child a { border-bottom: none; }
.main-nav__dropdown li a:hover {
  background: var(--red-alpha);
  color: var(--red);
  padding-left: 1.4rem;
}

/* Acciones (teléfono + CTA) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-shrink: 0;
}
.nav-phone {
  display: flex;
  align-items: center;
  gap: .5em;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
  transition: color var(--ease);
}
.nav-phone i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--red);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: .65rem;
}
.nav-phone:hover { color: var(--red); }

/* Redes en header */
.nav-social {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.nav-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: .7rem;
  color: var(--gray-500);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-full);
  transition: var(--ease);
}
.nav-social a:hover {
  color: var(--red);
  border-color: var(--red);
  background: var(--red-alpha);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  transition: background var(--ease);
}
.hamburger:hover { background: var(--gray-100); }
.hamburger__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--ease);
}
.hamburger.is-open .hamburger__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.is-open .hamburger__bar:nth-child(2) { opacity: 0; }
.hamburger.is-open .hamburger__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Menú móvil */
.mobile-menu {
  display: none;
  max-height: 0;
  overflow: hidden;
  overflow-y: auto;
  background: var(--white);
  border-top: 1px solid var(--gray-100);
  transition: max-height .4s cubic-bezier(.4,0,.2,1);
  -webkit-overflow-scrolling: touch;
}
.mobile-menu.is-open {
  max-height: calc(100svh - var(--nav-h));
}

.mobile-menu__list {
  padding: var(--sp-4) var(--cont-pad) var(--sp-4);
}
.mobile-menu__list > li {
  border-bottom: 1px solid var(--gray-100);
}
.mobile-menu__list > li > a,
.mobile-menu__group-label {
  display: block;
  padding: .875rem var(--sp-2);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--gray-700);
  transition: color var(--ease);
}
.mobile-menu__list > li > a:hover,
.mobile-menu__list > li > a.is-active { color: var(--red); }
.mobile-menu__group-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--gray-500);
  padding-bottom: .25rem;
  margin-top: .75rem;
}
.mobile-menu__sub { padding-left: var(--sp-4); }
.mobile-menu__sub li a {
  display: block;
  padding: .5rem var(--sp-2);
  font-size: var(--text-sm);
  color: var(--gray-600, var(--gray-500));
}
.mobile-menu__sub li a:hover { color: var(--red); }

.mobile-menu__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
  padding: var(--sp-6) var(--cont-pad);
  background: var(--gray-100);
  border-top: 1px solid var(--gray-300);
}
.mobile-menu__footer a {
  display: flex;
  align-items: center;
  gap: .5em;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--gray-700);
}
.mobile-menu__footer a:hover { color: var(--red); }

/* ── 5. HERO ───────────────────────────────────────────────── */
.hero-carousel {
  position: relative;
}

.hero-carousel .carousel-inner { overflow: hidden; }

.hero-slide {
  position: relative;
  width: 100%;
  min-height: clamp(400px, 65vh, 720px);
  overflow: hidden;
}

.hero-slide__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 8s ease;
}
.carousel-item.active .hero-slide__img {
  transform: scale(1.04);
}

.hero-slide__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10,10,12,.72) 0%,
    rgba(10,10,12,.40) 55%,
    rgba(10,10,12,.15) 100%
  );
  z-index: 1;
}

.hero-slide__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: clamp(400px, 65vh, 720px);
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
  padding-block: var(--sp-16);
}

.hero-slide__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #fff;
  background: var(--red);
  padding: .35rem .85rem;
  border-radius: var(--radius-full);
  margin: 0 0 var(--sp-4);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease .1s, transform .5s ease .1s;
}
.carousel-item.active .hero-slide__eyebrow {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -.03em;
  margin: 0 0 var(--sp-6);
  max-width: 620px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s ease .25s, transform .55s ease .25s;
}
.carousel-item.active .hero-slide__title {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide__subtitle {
  font-size: var(--text-md);
  color: rgba(255,255,255,.82);
  line-height: 1.65;
  margin: 0 0 var(--sp-8);
  max-width: 480px;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s ease .40s, transform .55s ease .40s;
}
.carousel-item.active .hero-slide__subtitle {
  opacity: 1;
  transform: translateY(0);
}

.hero-slide__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s ease .55s, transform .55s ease .55s;
}
.carousel-item.active .hero-slide__actions {
  opacity: 1;
  transform: translateY(0);
}

/* Indicadores del carousel */
.hero-indicators {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--sp-2);
  z-index: 10;
  padding: 0;
  margin: 0;
  list-style: none;
}
.hero-indicator {
  width: 36px;
  height: 3px;
  border: none;
  border-radius: 2px;
  background: rgba(255,255,255,.38);
  cursor: pointer;
  transition: background var(--ease), width var(--ease);
  padding: 0;
}
.hero-indicator.active {
  background: var(--red);
  width: 52px;
}

/* Controles prev/next */
.hero-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(10,10,12,.45);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 1.1rem;
  transition: background var(--ease);
  backdrop-filter: blur(4px);
}
.hero-control:hover { background: var(--red); color: var(--white); }
.hero-control.prev { left: var(--sp-6); }
.hero-control.next { right: var(--sp-6); }

/* ── 6. BARRA DE ESTADÍSTICAS ──────────────────────────────── */
.stats-bar {
  background: var(--charcoal);
  padding-block: var(--sp-8);
}
.stats-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--sp-6) clamp(1.5rem, 4vw, 3.5rem);
}
.stat + .stat {
  border-left: 1px solid rgba(255,255,255,.12);
}
.stat__number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  letter-spacing: -.03em;
}
.stat__number sup {
  font-size: .5em;
  vertical-align: super;
}
.stat__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-top: var(--sp-2);
}

/* ── 7. SECCIÓN SERVICIOS ──────────────────────────────────── */
.services-section {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-6);
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover .service-card__bar { width: 100%; }

.service-card__bar {
  height: 3px;
  background: var(--red);
  width: 0;
  transition: width var(--ease-slow);
}

.service-card__image-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.service-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ease-slow);
}
.service-card:hover .service-card__image { transform: scale(1.06); }

.service-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: var(--sp-6);
}

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.25;
  letter-spacing: -.02em;
  margin: 0 0 var(--sp-3);
}

.service-card__text {
  font-size: var(--text-sm);
  color: var(--gray-500);
  line-height: 1.7;
  margin: 0;
  flex: 1;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  margin-top: var(--sp-6);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--red);
  transition: gap var(--ease), color var(--ease);
}
.service-card__link:hover { gap: .7em; color: var(--red-dark); }
.service-card__link i { font-size: .75em; transition: transform var(--ease); }
.service-card__link:hover i { transform: translateX(3px); }

/* ── 8. SECCIÓN EMPRESA ────────────────────────────────────── */
.about-section {
  background: var(--dark);
  padding-block: var(--sp-section);
}
.about-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}
.about-eyebrow { color: var(--red); }
.about-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -.03em;
  margin: 0 0 var(--sp-6);
}
.about-body {
  font-size: var(--text-md);
  color: rgba(255,255,255,.65);
  line-height: 1.75;
  margin: 0 0 var(--sp-8);
}
.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
  border: 1px solid rgba(255,255,255,.08);
}
.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ── 9. SECCIÓN PROYECTOS ──────────────────────────────────── */
.projects-section {
  background: var(--gray-100);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--ease), box-shadow var(--ease);
}
.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.project-card__link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.project-card__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}
.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ease-slow);
}
.project-card:hover .project-card__image { transform: scale(1.06); }

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(17,17,19,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--ease);
}
.project-card:hover .project-card__overlay { opacity: 1; }
.project-card__view {
  display: inline-flex;
  align-items: center;
  gap: .5em;
  padding: .6rem 1.2rem;
  background: var(--red);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
}

.project-card__body {
  display: flex;
  align-items: stretch;
  gap: 0;
  padding: 0;
  border-top: 1px solid var(--gray-100);
}
.project-card__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4) var(--sp-6);
  min-width: 72px;
  background: var(--red);
  color: var(--white);
  text-align: center;
  border-radius: 0;
  flex-shrink: 0;
}
.project-card__day {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  display: block;
}
.project-card__month {
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  opacity: .85;
  margin-top: .2em;
  display: block;
}
.project-card__info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-4) var(--sp-6);
}
.project-card__category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: .25rem;
}
.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin: 0;
  transition: color var(--ease);
}
.project-card:hover .project-card__title { color: var(--red); }

/* ── 10. FOOTER ────────────────────────────────────────────── */
.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,.65);
}

.footer-map {
  display: block;
  line-height: 0;
}
.footer-map iframe {
  display: block;
  width: 100%;
  height: clamp(200px, 30vw, 420px);
  border: none;
  filter: grayscale(20%) brightness(.85);
}

.footer-body {
  padding-block: var(--sp-12) var(--sp-10);
}
.footer-container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 5rem);
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}
.footer-logo {
  height: 40px;
  width: auto;
  margin-bottom: var(--sp-6);
  /* Filtro para logo claro sobre fondo oscuro */
  filter: brightness(0) invert(1);
  opacity: .9;
}
.footer-tagline {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255,255,255,.5);
  margin: 0 0 var(--sp-8);
  max-width: 300px;
}
.footer-social {
  display: flex;
  gap: var(--sp-3);
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: .85rem;
  color: rgba(255,255,255,.55);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius-full);
  transition: var(--ease);
}
.footer-social a:hover {
  color: var(--white);
  border-color: var(--red);
  background: var(--red);
}
.footer-heading {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--white);
  margin: 0 0 var(--sp-6);
}
.footer-nav li + li { margin-top: var(--sp-3); }
.footer-nav a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.55);
  transition: color var(--ease);
}
.footer-nav a:hover { color: var(--red); }

.footer-contact { display: flex; flex-direction: column; gap: var(--sp-4); }
.footer-contact li {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  font-size: var(--text-sm);
  line-height: 1.6;
}
.footer-contact i {
  color: var(--red);
  font-size: .85rem;
  margin-top: .2em;
  flex-shrink: 0;
}
.footer-contact a { color: rgba(255,255,255,.55); transition: color var(--ease); }
.footer-contact a:hover { color: var(--red); }
.footer-contact span { color: rgba(255,255,255,.55); }

.footer-cta {
  margin-top: var(--sp-8);
  align-self: flex-start;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: var(--sp-6);
}
.footer-bottom .footer-container {
  grid-template-columns: 1fr;
  gap: 0;
}
.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.38);
  margin: 0;
  letter-spacing: .04em;
}

/* ── 11. MODALES (Bootstrap) ───────────────────────────────── */
.modal-content {
  border: none;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.modal-dialog.modal-lg { max-width: 860px; }
.modal .embed-responsive { border: none; }

/* ── 12. PÁGINAS INTERIORES ────────────────────────────────── */

/* Héroe de página / breadcrumb */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(240px, 32vw, 380px);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(10,10,12,.80) 0%,
    rgba(10,10,12,.50) 60%,
    rgba(10,10,12,.20) 100%
  );
}
.page-hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
  padding-block: var(--sp-16);
}
.page-hero__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: var(--sp-3);
}
.page-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -.03em;
  margin: 0 0 var(--sp-6);
}
.breadcrumb-path {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  list-style: none;
  padding: 0;
  margin: 0;
}
.breadcrumb-path li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.55);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.breadcrumb-path li + li::before {
  content: '/';
  opacity: .4;
}
.breadcrumb-path a { color: rgba(255,255,255,.7); transition: color var(--ease); }
.breadcrumb-path a:hover { color: var(--red); }
.breadcrumb-path .is-current { color: var(--white); }

/* ── Sección de contenido genérica ── */
.content-section {
  padding-block: var(--sp-section);
}
.content-section--light { background: var(--white); }
.content-section--gray  { background: var(--gray-100); }
.content-section--dark  { background: var(--charcoal); }
.content-section--darker { background: var(--dark); }

/* ── Empresa: Experiencia ── */
.exp-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: start;
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}
.exp-text h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -.02em;
  margin: 0 0 var(--sp-3);
}
.exp-text h4 + h4 { margin-top: var(--sp-8); }
.exp-text p {
  font-size: var(--text-base);
  color: var(--gray-500);
  line-height: 1.75;
  margin: 0 0 var(--sp-4);
}
.exp-text p:last-child { margin-bottom: 0; }

/* Collage de fotos */
.photos-collage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--sp-3);
}
.photos-collage__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
}
.photos-collage__left {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.photos-collage__right {
  grid-column: 2;
  grid-row: 1 / span 2;
}
.photos-collage__right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
}

/* ── Historia / Timeline ── */
.history-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
  position: relative;
}
.history-grid::before {
  content: '';
  position: absolute;
  top: 20px;
  left: calc(var(--cont-pad) + 16.5%);
  right: calc(var(--cont-pad) + 16.5%);
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(225,19,19,.4), rgba(225,19,19,.4), transparent);
}
.history-card {}
.history-card__year {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: var(--white);
  padding: .4rem 1.25rem;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-6);
  position: relative;
  z-index: 1;
}
.history-card__image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-4);
  display: block;
}
.history-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.02em;
  margin: 0 0 var(--sp-3);
}
.history-card__text {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.60);
  line-height: 1.7;
  margin: 0;
}

/* ── Sección visión / certificados ── */
.vision-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}
.vision-col h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -.02em;
  margin: 0 0 var(--sp-4);
}
.vision-col p {
  font-size: var(--text-base);
  color: var(--gray-500);
  line-height: 1.75;
  margin: 0 0 var(--sp-8);
}
.img-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}
.img-grid-3 img {
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
  transition: transform var(--ease);
}
.img-grid-3 img:hover { transform: scale(1.03); }

/* ── 13. RESPONSIVE ────────────────────────────────────────── */

/* ── Formularios (compartido) ── */
.form-input {
  display: block;
  width: 100%;
  padding: .875rem 1rem;
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200, #e0e0e4);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
  -webkit-appearance: none;
}
.form-input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-alpha);
  background: var(--white);
}
textarea.form-input {
  min-height: 140px;
  resize: vertical;
  line-height: 1.6;
}
.form-validation {
  display: block;
  font-size: var(--text-xs);
  color: #dc2626;
  margin-top: .3rem;
}
.has-error .form-input { border-color: #dc2626; }

/* ── Página Contacto ── */
.contact-section {
  background: var(--white);
  padding-block: var(--sp-section);
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}

/* Columna del formulario */
.contact-form-col {}
.contact-form-col .u-eyebrow { margin-bottom: var(--sp-3); }
.contact-form-col h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -.025em;
  margin: 0 0 var(--sp-3);
}
.contact-form-col > p {
  font-size: var(--text-base);
  color: var(--gray-500);
  line-height: 1.7;
  margin: 0 0 var(--sp-8);
}

/* Campos del formulario */
.contact-field {
  margin-bottom: var(--sp-5);
}
.contact-field label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: var(--sp-2);
}
.contact-field.has-error .form-input { border-color: #dc2626; }

.contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}

.contact-submit {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-top: var(--sp-6);
  flex-wrap: wrap;
}
.contact-submit .btn {
  padding: .875rem 2.25rem;
  font-size: var(--text-sm);
}
.contact-submit-note {
  font-size: var(--text-xs);
  color: var(--gray-500);
  line-height: 1.5;
}

/* Barra lateral de contacto */
.contact-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + var(--sp-8));
}
.contact-info-card {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  margin-bottom: var(--sp-6);
}
.contact-info-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -.02em;
  margin: 0 0 var(--sp-6);
}
.contact-info-items {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}
.contact-info-item {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
}
.contact-info-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--red);
  color: var(--white);
  border-radius: var(--radius-md);
  font-size: .875rem;
  flex-shrink: 0;
}
.contact-info-item__body {}
.contact-info-item__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: .25rem;
}
.contact-info-item__value {
  font-size: var(--text-sm);
  color: var(--gray-700);
  line-height: 1.6;
}
.contact-info-item__value a {
  color: var(--gray-700);
  transition: color var(--ease);
}
.contact-info-item__value a:hover { color: var(--red); }

.contact-social-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: var(--sp-3);
  display: block;
}
.contact-social-icons {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.contact-social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  font-size: .85rem;
  color: var(--gray-600, var(--gray-500));
  background: var(--white);
  border: 1px solid var(--gray-200, #e0e0e4);
  border-radius: var(--radius-full);
  transition: var(--ease);
}
.contact-social-icons a:hover {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.whatsapp-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  width: 100%;
  padding: 1rem;
  background: #25d366;
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--ease), transform var(--ease);
}
.whatsapp-cta i { font-size: 1.2rem; }
.whatsapp-cta:hover {
  background: #1ebe5d;
  color: var(--white);
  transform: translateY(-1px);
}

/* Mapa en página de contacto (standalone, sin footer encima) */
.contact-map {
  display: block;
  line-height: 0;
}
.contact-map iframe {
  display: block;
  width: 100%;
  height: clamp(250px, 35vw, 480px);
  border: none;
}

/* ── Páginas de productos y servicios ── */

.products-section {
  background: var(--white);
  padding-block: var(--sp-section);
}
.products-section-header {
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
  margin-bottom: var(--sp-12);
  text-align: center;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}
.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.05);
  border: 1px solid rgba(0,0,0,.06);
  transition: box-shadow var(--ease), transform var(--ease);
}
.product-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,.12);
  transform: translateY(-3px);
}
.product-card__image-wrap {
  overflow: hidden;
  aspect-ratio: 4/3;
}
.product-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .45s ease;
}
.product-card:hover .product-card__img { transform: scale(1.06); }
.product-card__body {
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}
.product-card__name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -.01em;
  margin: 0;
}
.product-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--red-alpha);
  color: var(--red);
  font-size: .75rem;
  flex-shrink: 0;
  transition: background var(--ease), color var(--ease);
}
.product-card:hover .product-card__icon {
  background: var(--red);
  color: var(--white);
}

.products-cta {
  text-align: center;
  padding-top: var(--sp-14);
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);
}
.products-cta p {
  font-size: var(--text-base);
  color: var(--gray-500);
  margin: 0;
}

/* Sección video + texto reutilizable para productos */
.product-feature {
  background: var(--gray-100);
  padding-block: var(--sp-section);
}
.product-feature__container {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}
.product-feature__text {}
.product-feature__text h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -.025em;
  margin: 0 0 var(--sp-4);
}
.product-feature__text h2 em {
  color: var(--gray-500);
  font-style: normal;
}
.product-feature__text p {
  font-size: var(--text-base);
  color: var(--gray-500);
  line-height: 1.75;
  margin: 0 0 var(--sp-8);
}
.video-embed {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.14);
}
.video-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ── Asfaltos: lista numerada de productos ── */
.asfaltos-section {
  background: var(--white);
  padding-block: var(--sp-section);
}
.asfaltos-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  max-width: var(--cont-max);
  margin-inline: auto;
  padding-inline: var(--cont-pad);
}
.asfaltos-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -.025em;
  margin: 0 0 var(--sp-4);
}
.asfaltos-text p {
  font-size: var(--text-base);
  color: var(--gray-500);
  line-height: 1.75;
  margin: 0 0 var(--sp-8);
}
.products-numbered-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  counter-reset: product;
}
.products-numbered-list li {
  counter-increment: product;
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5);
  background: var(--gray-100);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--dark);
  border-left: 3px solid var(--red);
  transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
}
.products-numbered-list li:hover {
  background: var(--white);
  transform: translateX(4px);
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
.products-numbered-list li::before {
  content: counter(product, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--red);
  min-width: 2rem;
  flex-shrink: 0;
}

/* ── RESPONSIVE: páginas interiores ── */
@media (max-width: 768px) {
  .exp-container   { grid-template-columns: 1fr; }
  .photos-collage  { grid-template-columns: 1fr 1fr; }
  .photos-collage__right { grid-column: 2; grid-row: 1; }
  .photos-collage__left  { grid-column: 1; grid-row: 1; }
  .history-grid    { grid-template-columns: 1fr; gap: var(--sp-10); }
  .history-grid::before { display: none; }
  .vision-container { grid-template-columns: 1fr; }
  .img-grid-3 { grid-template-columns: repeat(3, 1fr); }

  .contact-layout  { grid-template-columns: 1fr; }
  .contact-sidebar { position: static; }
  .contact-row     { grid-template-columns: 1fr; }

  .products-grid              { grid-template-columns: 1fr 1fr; }
  .product-feature__container { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
@media (max-width: 480px) {
  .photos-collage { grid-template-columns: 1fr; }
  .photos-collage__right { grid-column: 1; }
}

/* ════════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════════ */

/* Desktop grande */
@media (min-width: 1200px) {
  .services-grid { gap: var(--sp-8); }
  .projects-grid { gap: var(--sp-8); }
}

/* Desktop intermedio: ocultar redes del header, ajustar gaps */
@media (max-width: 1280px) {
  .nav-social { display: none; }
  .site-header__inner { gap: var(--sp-5); }
}

/* Tablet landscape / desktop angosto → hamburger a partir de 1100px */
@media (max-width: 1100px) {
  :root { --nav-h: 64px; }

  /* Ocultar nav y teléfono, dejar solo el botón CTA */
  .main-nav  { display: none; }
  .nav-phone { display: none; }
  .nav-social { display: none; }
  .nav-actions { gap: var(--sp-3); }

  /* Mostrar hamburger y menú móvil */
  .hamburger    { display: flex; }
  .mobile-menu  { display: block; }

  /* Reducir gap del inner para que logo + CTA + hamburger quepan */
  .site-header__inner { gap: var(--sp-4); }

  /* Hero */
  .hero-slide__subtitle { display: none; }
  .hero-control { display: none; }

  /* Layouts de contenido */
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .about-container { grid-template-columns: 1fr; gap: var(--sp-10); }
  .about-video { order: -1; }
  .footer-container { grid-template-columns: 1fr 1fr; }
  .footer-col--brand { grid-column: span 2; }
}

/* Tablet vertical */
@media (max-width: 768px) {
  /* En pantallas muy pequeñas, ocultar el botón CTA del header
     (ya está disponible en el menú móvil) */
  .nav-actions .btn { display: none; }

  .hero-slide__content { padding-block: var(--sp-12); }
  .hero-slide__title { max-width: 100%; }

  .stats-bar__inner {
    gap: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .stat { padding: var(--sp-6); }
  .stat + .stat { border-left: none; }
  .stat:nth-child(2) { border-left: 1px solid rgba(255,255,255,.12); }
  .stat:nth-child(3) { border-top: 1px solid rgba(255,255,255,.12); }
  .stat:nth-child(4) {
    border-top: 1px solid rgba(255,255,255,.12);
    border-left: 1px solid rgba(255,255,255,.12);
  }

  .services-grid { grid-template-columns: 1fr; gap: var(--sp-4); }
  .projects-grid { grid-template-columns: 1fr; }

  .footer-container { grid-template-columns: 1fr; }
  .footer-col--brand { grid-column: auto; }
  .footer-tagline { max-width: 100%; }
}

/* Móvil pequeño */
@media (max-width: 480px) {
  .hero-slide__actions { flex-direction: column; }
  .hero-slide__actions .btn { text-align: center; justify-content: center; }
  .hero-slide__eyebrow { display: none; }
}