/* Las fuentes Inter y Oswald se cargan con <link> en el <head> de cada pagina */

:root {

  --gech-black: #0a0a0a;
  --gech-dark: #1a1a1a;
  --gech-gray-900: #212121;
  --gech-gray-800: #2d2d2d;
  --gech-gray-700: #3a3a3a;
  --gech-gray-600: #555555;
  --gech-gray-400: #9e9e9e;
  --gech-gray-200: #e0e0e0;
  --gech-gray-100: #f5f5f5;
  --gech-white: #ffffff;

  --gech-blue: #0077c8;
  --gech-blue-light: #3399db;
  --gech-blue-dark: #005a9c;

  --gech-orange: #ff6b00;
  --gech-orange-dark: #cc5500;
  --gech-yellow: #ffc107;

  --gech-success: #28a745;
  --gech-whatsapp: #25d366;
  --gech-danger: #dc3545;

  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  --transition-fast: 200ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

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

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

html, body {
  overflow-x: hidden;
  width: 100%;
  max-width: 100%;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--gech-white);
  color: var(--gech-gray-900);
  line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color var(--transition-base),
    box-shadow var(--transition-base);
}

.navbar.scrolled {
  background-color: rgba(10, 10, 10, 0.97) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.nav-link {
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--theme-primary, var(--gech-blue));
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow) ease-in-out;
}

.mobile-menu.open {
  max-height: 600px;
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(10, 10, 10, 0.92) 0%,
      rgba(0, 119, 200, 0.35) 50%,
      rgba(10, 10, 10, 0.88) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-bg-placeholder {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.section-dark {
  background-color: var(--gech-dark);
  color: var(--gech-white);
}

.section-gray {
  background-color: var(--gech-gray-100);
}

.section-accent {
  background: linear-gradient(135deg, var(--theme-dark, var(--gech-blue-dark)) 0%, var(--theme-primary, var(--gech-blue)) 100%);
  color: var(--gech-white);
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-title-bar {
  display: inline-block;
  width: 60px;
  height: 4px;
  background-color: var(--theme-primary, var(--gech-blue));
  margin-bottom: 1rem;
}

.section-title-bar--orange {
  background-color: var(--theme-dark, var(--gech-orange));
}

.card {
  background-color: var(--gech-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
  transition: transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.card-dark {
  background-color: var(--gech-gray-800);
  color: var(--gech-white);
}

.card-dark:hover {
  box-shadow: 0 12px 24px rgba(0, 119, 200, 0.2);
}

.card-img-placeholder {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--gech-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Marcas: 2 columnas en movil, 3 en tablet, 6 en escritorio.
   Las filas incompletas quedan centradas. */
.brand-grid {
  --brand-cols: 2;
  --brand-gap: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--brand-gap);
  max-width: 68rem;
  margin-inline: auto;
}

.brand-card {
  flex: 0 0 calc((100% - (var(--brand-cols) - 1) * var(--brand-gap)) / var(--brand-cols));
  aspect-ratio: 3 / 2;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--gech-white);
  border: 1px solid var(--gech-gray-200);
  border-radius: var(--radius-md);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  transition: transform var(--transition-base),
    border-color var(--transition-fast),
    box-shadow var(--transition-base);
}

.brand-card:hover {
  transform: translateY(-4px);
  border-color: var(--theme-primary, var(--gech-blue));
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

/* --logo-scale compensa logos con mucho margen transparente o muy alargados */
.brand-card img {
  width: auto;
  height: auto;
  max-width: calc(72% * var(--logo-scale, 1));
  max-height: calc(52% * var(--logo-scale, 1));
  object-fit: contain;
}

@media (min-width: 640px) {
  .brand-grid {
    --brand-cols: 3;
    --brand-gap: 1rem;
  }
}

@media (min-width: 1024px) {
  .brand-grid {
    --brand-cols: 6;
    --brand-gap: 1.25rem;
  }
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background-color: var(--theme-primary, var(--gech-blue));
  color: var(--gech-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast),
    transform var(--transition-fast);
  text-decoration: none;
}

.btn-primary:hover {
  background-color: var(--theme-dark, var(--gech-blue-dark));
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  background-color: transparent;
  color: var(--gech-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 2px solid var(--gech-white);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-secondary:hover {
  background-color: var(--gech-white);
  color: var(--gech-dark);
}

.btn-orange {
  background-color: var(--theme-primary, var(--gech-orange));
}

.btn-orange:hover {
  background-color: var(--theme-dark, var(--gech-orange-dark));
}

.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--gech-whatsapp);
  color: var(--gech-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.45);
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.whatsapp-pulse {
  animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }

  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.map-container {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 3px solid var(--gech-gray-200);
  background-color: #d1d5db;
  position: relative;
}

.map-container::before {
  content: '';
  display: block;
  padding-top: 56.25%;
}

.map-container iframe,
.map-container .map-placeholder {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.map-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--gech-gray-600);
  font-size: 0.875rem;
}

.footer-dark {
  background-color: var(--gech-black);
  color: var(--gech-gray-400);
}

.footer-link {
  color: var(--gech-gray-400);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--gech-white);
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--gech-gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gech-gray-400);
  transition: background-color var(--transition-fast),
    color var(--transition-fast);
  text-decoration: none;
}

.social-icon:hover {
  background-color: var(--theme-primary, var(--gech-blue));
  color: var(--gech-white);
}

.stat-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 3rem;
  line-height: 1;
  color: var(--theme-primary, var(--gech-blue));
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease-out;
}

.fade-in.visible {
  opacity: 1;
}

.taller-hero {
  background: linear-gradient(135deg,
      rgba(10, 10, 10, 0.94) 0%,
      rgba(255, 107, 0, 0.3) 50%,
      rgba(10, 10, 10, 0.9) 100%);
}

.service-step {
  position: relative;
  padding-left: 2rem;
}

.service-step::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--theme-primary, var(--gech-orange)), transparent);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--theme-primary, var(--gech-blue));
  color: var(--gech-white);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.badge--orange {
  background-color: var(--theme-dark, var(--gech-orange));
}

@media (max-width: 768px) {
  .stat-number {
    font-size: 2.25rem;
  }

  .hero {
    min-height: 90vh;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 16px;
    right: 16px;
  }

  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }
}