/* ===== Madater — Construcción & Impermeabilización ===== */

:root {
  --navy-950: #050a12;
  --navy-900: #0a1626;
  --navy-800: #0f3459;
  --navy-700: #154776;
  --blue-600: #1c5f8c;
  --blue-500: #2678ad;

  /* Acentos turquesa / verde menta (tomados del logo) */
  --orange-600: #0e9c8c;
  --orange-500: #14b8a6;
  --orange-400: #2dd6ac;
  --amber-400: #22d3ee;

  /* Texto y superficies (tema oscuro) */
  --gray-900: #e9eef3;
  --gray-700: #a9b5c4;
  --gray-500: #8593a6;
  --gray-300: rgba(255,255,255,0.14);
  --gray-100: #0d1626;
  --white: #ffffff;
  --void: #070c14;
  --card: #111b2c;

  --font-head: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --radius: 10px;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.45);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--void);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-head); margin: 0 0 .5em; line-height: 1.2; color: var(--white); }
p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-alt { background: var(--gray-100); }
.section-dark { background: var(--navy-900); color: var(--gray-300); }
.section-dark h2, .section-dark h3 { color: var(--white); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-600);
  margin-bottom: 14px;
}
.section-dark .eyebrow { color: var(--amber-400); }
.eyebrow::before {
  content: "";
  width: 26px;
  height: 3px;
  background: var(--orange-500);
  display: inline-block;
  border-radius: 2px;
}

.section-head { max-width: 720px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-head p { color: var(--gray-700); font-size: 1.05rem; }
.section-dark .section-head p { color: var(--gray-300); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--orange-500); color: var(--white); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--orange-600); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.55); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-navy { background: var(--navy-900); color: var(--white); }
.btn-navy:hover { background: var(--navy-800); }
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #1ebe5b; }
.btn-block { width: 100%; justify-content: center; }

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(5, 10, 18, 0.0);
  transition: background .25s ease, box-shadow .25s ease, padding .25s ease;
  padding: 18px 0;
}
.site-header.scrolled {
  background: rgba(5, 10, 18, 0.92);
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  padding: 10px 0;
  backdrop-filter: blur(6px);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark {
  height: 44px; width: auto;
  flex-shrink: 0;
  object-fit: contain;
}
.brand-text { line-height: 1.05; }
.brand-text strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.03em;
  color: var(--white);
}
.brand-text span {
  display: block;
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber-400);
  font-weight: 600;
}

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: rgba(255,255,255,0.88);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 10px 14px;
  border-radius: 8px;
  transition: background .18s ease, color .18s ease;
}
.main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,0.1); color: var(--amber-400); }

.nav-dropdown { position: relative; }
.nav-dropdown > a { display: inline-flex; align-items: center; gap: 6px; }
.nav-dropdown-menu {
  position: absolute;
  top: 100%; left: 0;
  min-width: 220px;
  background: var(--card);
  border: 1px solid var(--gray-300);
  border-radius: 10px;
  padding: 8px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
.nav-dropdown:hover .nav-dropdown-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
.nav-dropdown-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--gray-900) !important;
  font-size: 0.9rem;
  font-weight: 600;
}
.nav-dropdown-menu a:hover { background: rgba(20,184,166,0.14); color: var(--orange-400) !important; }

.header-cta { display: flex; align-items: center; gap: 12px; }
.btn-whatsapp-outline { border-color: rgba(37,211,102,0.6); color: var(--white); }
.btn-whatsapp-outline:hover { background: rgba(37,211,102,0.14); border-color: #25D366; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 8px;
  border: none;
  background: rgba(255,255,255,0.12);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: "";
  display: block;
  width: 20px; height: 2px;
  background: var(--white);
  position: relative;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle::before { transform: translateY(-6px); }
.nav-toggle::after { transform: translateY(4px); }
.nav-toggle.open span { opacity: 0; }
.nav-toggle.open::before { transform: rotate(45deg); }
.nav-toggle.open::after { transform: rotate(-45deg) translateY(0); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--white);
  overflow: hidden;
}
.hero-slideshow { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 65%;
  opacity: 0;
  transition: opacity 1.8s ease;
  animation: heroKenBurns 16s ease-in-out infinite;
}
.hero-slide.active { opacity: 1; z-index: 1; }
@keyframes heroKenBurns {
  0% { transform: scale(1) translate3d(0,0,0); }
  50% { transform: scale(1.1) translate3d(-1.2%,-1%,0); }
  100% { transform: scale(1) translate3d(0,0,0); }
}
.hero-overlay {
  position: absolute; inset: 0;
  z-index: 1;
  background-image: linear-gradient(180deg, rgba(5,10,18,0.6) 0%, rgba(5,10,18,0.76) 55%, rgba(5,10,18,0.96) 100%);
}
.hero .container { position: relative; z-index: 2; padding-top: 140px; padding-bottom: 90px; }
.hero-grid { position: relative; }
.hero-copy { max-width: 720px; }
.hero-eyebrow { color: var(--orange-400) !important; }
.hero-eyebrow::before { background: var(--orange-400); }
.hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 820px;
  font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  color: var(--orange-400);
}
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.88);
  max-width: 640px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(7,12,20,0.72);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(6px);
  border-radius: var(--radius);
  padding: 16px 22px;
  position: absolute;
  right: 0;
  bottom: 0;
  box-shadow: var(--shadow-lg);
}
.hero-badge-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: rgba(20,184,166,0.18);
  color: var(--orange-400);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.hero-badge strong { display: block; color: var(--white); font-size: 1rem; }
.hero-badge span { font-size: 0.85rem; color: var(--gray-700); }

/* ===== Servicios rápidos ===== */
.quick-services { padding-top: 56px; padding-bottom: 56px; background: var(--void); }
.quick-services-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
}
.qs-card {
  background: var(--card);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 22px 18px;
  position: relative;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.qs-card:hover { transform: translateY(-4px); border-color: rgba(20,184,166,0.5); box-shadow: var(--shadow-md); }
.qs-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(20,184,166,0.4);
  color: var(--orange-400);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
.qs-card:hover .qs-icon { transform: scale(1.1) rotate(-6deg); }
.qs-card h4 { font-size: 0.98rem; margin-bottom: 6px; }
.qs-card p { font-size: 0.82rem; color: var(--gray-700); margin: 0 0 14px; }
.qs-card::after {
  content: "";
  display: block;
  width: 24px; height: 3px;
  border-radius: 2px;
  background: var(--orange-500);
  position: absolute;
  left: 18px; bottom: 16px;
}

/* ===== Barra de confianza ===== */
.trust-bar { background: var(--gray-100); border-top: 1px solid var(--gray-300); border-bottom: 1px solid var(--gray-300); padding: 28px 0; }
.trust-bar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr) auto;
  gap: 24px;
  align-items: center;
}
.trust-item { display: flex; align-items: flex-start; gap: 12px; }
.trust-item svg { color: var(--orange-400); flex-shrink: 0; margin-top: 2px; }
.trust-item strong { display: block; font-size: 0.92rem; color: var(--white); margin-bottom: 2px; }
.trust-item span { font-size: 0.8rem; color: var(--gray-700); }
.trust-phone {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--card);
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--white);
  white-space: nowrap;
  transition: border-color .2s ease, color .2s ease;
}
.trust-phone svg { color: var(--orange-400); }
.trust-phone:hover { border-color: var(--orange-500); color: var(--orange-400); }

/* ===== Cifras ===== */
.stats-strip { background: var(--void); padding: 48px 0; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.hero-stats div strong { display: block; font-size: 1.8rem; font-weight: 800; color: var(--orange-400); }
.hero-stats div span { font-size: 0.82rem; color: var(--gray-700); }

/* ===== Services grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--card);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card.minor { background: var(--navy-900); border-color: var(--navy-900); }
.service-card.minor h3, .service-card.minor p, .service-card.minor .tag { color: var(--gray-300) !important; }
.service-card.minor h3 { color: var(--white) !important; }
.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  margin-bottom: 20px;
  transition: transform .35s cubic-bezier(.34,1.56,.64,1);
}
.service-card:hover .service-icon { transform: rotate(-8deg) scale(1.1); }
.service-card.minor .service-icon { background: linear-gradient(135deg, var(--blue-500), var(--blue-600)); }
.service-card h3 { font-size: 1.15rem; }
.service-card p { color: var(--gray-700); font-size: 0.94rem; margin-bottom: 0; }
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--orange-400);
  background: rgba(20, 184, 166, 0.14);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

/* ===== Sectores ===== */
.sectores-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sector-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.sector-card::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5,10,18,0.2), rgba(5,10,18,0.94));
}
.sector-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; transition: transform .6s ease; }
.sector-card:hover img { transform: scale(1.1); }
.sector-body { position: relative; z-index: 1; padding: 26px; transition: transform .3s ease; }
.sector-card:hover .sector-body { transform: translateY(-4px); }
.sector-body h3 { color: var(--white); font-size: 1.2rem; }
.sector-body p { color: rgba(255,255,255,0.85); font-size: 0.9rem; margin: 0; }

/* ===== Carrusel de proyectos ===== */
.carousel {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.carousel-track {
  display: flex;
  transition: transform .7s cubic-bezier(.65,0,.35,1);
}
.carousel-slide { flex: 0 0 100%; aspect-ratio: 16/8; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.85);
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--navy-900);
  box-shadow: var(--shadow-sm);
  transition: background .2s ease, transform .2s ease;
}
.carousel-arrow:hover { background: var(--white); transform: translateY(-50%) scale(1.08); }
.carousel-arrow.prev { left: 18px; }
.carousel-arrow.next { right: 18px; }
.carousel-dots {
  position: absolute;
  bottom: 18px; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 8px;
}
.carousel-dots button {
  width: 10px; height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.55);
  cursor: pointer;
  padding: 0;
  transition: background .2s ease, width .2s ease;
}
.carousel-dots button.active { background: var(--white); width: 26px; border-radius: 6px; }

@media (max-width: 640px) {
  .carousel-slide { aspect-ratio: 4/5; }
}

/* ===== Nosotros ===== */
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.nosotros-media { position: relative; }
.nosotros-media-inner { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.nosotros-media-inner img { transition: transform .6s ease; }
.nosotros-media:hover .nosotros-media-inner img { transform: scale(1.06); }
.nosotros-badge {
  position: absolute;
  bottom: -24px; left: -24px;
  background: var(--orange-500);
  color: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.nosotros-badge strong { display: block; font-size: 2rem; font-weight: 800; }
.nosotros-badge span { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }

.mvv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 20px; }
.mvv-card { background: var(--gray-100); border-radius: var(--radius); padding: 24px; }
.mvv-card h4 { font-size: 1rem; color: var(--orange-600); margin-bottom: 8px; }
.mvv-card p { font-size: 0.9rem; color: var(--gray-700); margin: 0; }

.checklist li {
  display: flex; align-items: flex-start; gap: 12px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--gray-700);
}
.checklist li svg { flex-shrink: 0; margin-top: 3px; color: var(--orange-500); }

.values-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 20px; }
.value-pill {
  background: var(--card);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
}
.value-pill h4 { font-size: 0.92rem; margin-bottom: 6px; }
.value-pill p { font-size: 0.8rem; color: var(--gray-700); margin: 0; }

/* ===== Proceso constructivo ===== */
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { position: relative; }
.process-step figure {
  margin: 0 0 18px;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
  box-shadow: var(--shadow-sm);
}
.process-step img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.process-step:hover img { transform: scale(1.1); }
.process-num {
  position: absolute;
  top: 12px; left: 12px;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--orange-500);
  color: var(--white);
  font-weight: 800;
  font-size: 0.9rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
}
.process-step h4 { font-size: 1.02rem; margin-bottom: 6px; }
.process-step p { font-size: 0.88rem; color: var(--gray-700); margin: 0; }

/* ===== Impermeabilización (sección menor) ===== */
.impermeabilizacion { background: var(--navy-950); color: var(--gray-300); }
.impermeabilizacion h2, .impermeabilizacion h3, .impermeabilizacion h4 { color: var(--white); }
.impermeabilizacion .eyebrow { color: var(--amber-400); }
.imper-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: start; }
.imper-types { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.imper-type {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 18px;
}
.imper-type h4 { color: var(--amber-400); font-size: 0.95rem; margin-bottom: 6px; }
.imper-type p { font-size: 0.85rem; color: rgba(255,255,255,0.75); margin: 0; }

.imper-why { list-style: none; margin: 0; padding: 0; }
.imper-why li {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
}
.imper-why li:last-child { border-bottom: none; }
.imper-why svg { flex-shrink: 0; color: var(--amber-400); margin-top: 2px; }

.imper-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 28px;
}

/* ===== Materiales / marcas (marquee) ===== */
.brands-marquee {
  overflow: hidden;
  padding: 36px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.brands-track {
  display: flex;
  align-items: center;
  gap: 72px;
  width: max-content;
  animation: brandsMarquee 24s linear infinite;
}
.brands-marquee:hover .brands-track { animation-play-state: paused; }
@keyframes brandsMarquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.brands-track img { max-height: 46px; width: auto; flex-shrink: 0; filter: grayscale(1); opacity: 0.75; transition: opacity .2s ease, filter .2s ease, transform .2s ease; }
.brands-track img:hover { filter: grayscale(0); opacity: 1; transform: scale(1.08); }
.brand-badge-text {
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--gray-500);
  letter-spacing: 0.02em;
  flex-shrink: 0;
  transition: color .2s ease;
}
.brand-badge-text:hover { color: var(--white); }

/* ===== Galería ===== */
.gallery-filters { display: flex; gap: 10px; margin-bottom: 32px; flex-wrap: wrap; }
.gallery-filters button {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--gray-300);
  background: var(--card);
  font-weight: 600;
  font-size: 0.86rem;
  cursor: pointer;
  color: var(--gray-700);
  transition: all .18s ease;
}
.gallery-filters button.active, .gallery-filters button:hover { background: var(--navy-900); color: var(--white); border-color: var(--navy-900); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1/1;
  background: var(--gray-100);
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .35s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(5,10,18,0.65));
  opacity: 0;
  transition: opacity .2s ease;
}
.gallery-item:hover::after { opacity: 1; }
.gallery-item[hidden] { display: none; }

.gallery-more { text-align: center; margin-top: 36px; }

.photo-disclaimer {
  max-width: 720px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--gray-300);
  text-align: center;
  font-size: 0.8rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--gray-500);
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(5, 15, 25, 0.94);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 6px; box-shadow: 0 20px 60px rgba(0,0,0,0.5); }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .18s ease;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.22); }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }

/* ===== Clientes ===== */
.clientes-columns {
  columns: 3;
  column-gap: 40px;
}
.clientes-columns li {
  padding: 10px 0 10px 26px;
  position: relative;
  font-size: 0.92rem;
  color: var(--gray-700);
  border-bottom: 1px dashed var(--gray-300);
  break-inside: avoid;
}
.clientes-columns li::before {
  content: "";
  position: absolute; left: 0; top: 16px;
  width: 10px; height: 10px;
  border-radius: 2px;
  background: var(--orange-500);
}

/* ===== Contacto ===== */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; }
.contact-info-card {
  background: var(--navy-900);
  color: var(--white);
  border-radius: var(--radius);
  padding: 40px;
}
.contact-info-card h3 { color: var(--white); }
.contact-row { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,0.12); }
.contact-row:last-of-type { border-bottom: none; }
.contact-row .icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(34,211,238,0.15);
  color: var(--amber-400);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-row strong { display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--amber-400); margin-bottom: 4px; }
.contact-row span, .contact-row a { color: rgba(255,255,255,0.9); font-size: 0.95rem; }
.contact-row a:hover { color: var(--amber-400); }
.contact-map { margin-top: 24px; border-radius: var(--radius); overflow: hidden; border: 1px solid rgba(255,255,255,0.15); }
.contact-map iframe { width: 100%; height: 220px; border: 0; display: block; filter: grayscale(0.2) contrast(1.05); }

.contact-form {
  background: var(--card);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 0.82rem; font-weight: 700; color: var(--gray-700); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--gray-900);
  background: var(--card);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(20,184,166,0.18);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 0.8rem; color: var(--gray-500); margin-top: 12px; }

/* ===== CTA banda ===== */
.cta-band {
  background: linear-gradient(120deg, var(--orange-600), var(--orange-500));
  color: var(--white);
  padding: 56px 0;
}
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band h3 { color: var(--white); font-size: 1.5rem; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,0.9); margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--navy-950); color: rgba(255,255,255,0.6); padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.55); max-width: 300px; }
.footer-col h4 { color: var(--white); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: color .18s ease; }
.footer-col a:hover { color: var(--amber-400); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 0.82rem;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
}
.footer-social a:hover { background: var(--orange-500); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-50px); transition: opacity .7s ease, transform .7s ease; }
.reveal-left.is-visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(50px); transition: opacity .7s ease, transform .7s ease; }
.reveal-right.is-visible { opacity: 1; transform: translateX(0); }

/* Back to top */
.back-to-top {
  position: fixed;
  right: 24px; bottom: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  border: none;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 900;
}
.back-to-top.show { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px); }

.whatsapp-float {
  position: fixed;
  left: 24px; bottom: 24px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.45);
  z-index: 900;
  animation: pulse 2.4s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 0 0 14px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-services-grid { grid-template-columns: repeat(4, 1fr); }
  .trust-bar-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-phone { grid-column: 1 / -1; justify-content: center; }
  .sectores-grid { grid-template-columns: 1fr; }
  .nosotros-grid { grid-template-columns: 1fr; }
  .mvv-grid { grid-template-columns: 1fr; }
  .values-row { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .imper-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .clientes-columns { columns: 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-badge { position: static; margin-top: 28px; }

  .main-nav.mobile-open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--navy-900);
    flex-direction: column;
    padding: 12px;
    box-shadow: var(--shadow-md);
  }
  .main-nav.mobile-open a { padding: 14px; }
  .main-nav.mobile-open .nav-dropdown-menu { display: none; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .brand-text span { display: none; }
  .brand-mark { height: 36px; }
  .btn-whatsapp-outline { font-size: 0; padding: 10px; gap: 0; }
  .btn-whatsapp-outline svg { width: 20px; height: 20px; }
  .header-cta { gap: 8px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .quick-services-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-bar-grid { grid-template-columns: 1fr; text-align: center; }
  .trust-item { flex-direction: column; align-items: center; }
  .services-grid { grid-template-columns: 1fr; }
  .imper-types { grid-template-columns: 1fr; }
  .values-row { grid-template-columns: 1fr 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .clientes-columns { columns: 1; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-band .container { flex-direction: column; text-align: center; }
  .brands-track { gap: 44px; }
}