:root {
  --primary-color: #001F3F; /* Azul Marino Profundo */
  --accent-color: #229954; /* Verde corporativo más oscuro */
  --accent-alt: #4A90E2; /* Azul Claro Elegante para Index */
  --bg-color: #F8F9FA; /* Off-white cálido elegante */
  --card-bg: #FFFFFF;
  --text-dark: #1E2B3C; /* Azul grisáceo muy oscuro */
  --text-muted: #54627B; /* Azul grisáceo medio para subtítulos */
  --border-color: #E5E7EB;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  background-color: var(--bg-color);
  line-height: 1.6;
}

/* Global Typography Overrides */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6,
.text-dark {
  color: var(--text-dark) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

/* Industrial Tech Background */
.bg-industrial {
  background-color: var(--bg-color);
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg stroke='%23001F3F' stroke-width='1.5' stroke-opacity='0.15' fill='none'%3E%3Cpath d='M40 0 V80 M0 40 H80' stroke-dasharray='4 8'/%3E%3Ccircle cx='40' cy='40' r='10'/%3E%3Ccircle cx='40' cy='40' r='4'/%3E%3Ccircle cx='0' cy='0' r='5'/%3E%3Ccircle cx='80' cy='0' r='5'/%3E%3Ccircle cx='0' cy='80' r='5'/%3E%3Ccircle cx='80' cy='80' r='5'/%3E%3Cpath d='M30 30 L40 40 L50 30 M30 50 L40 40 L50 50' stroke-opacity='0.1'/%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
}

/* Industrial Tech Background Header Only */
.bg-industrial-header {
  background-color: var(--bg-color);
  background-image: 
    linear-gradient(180deg, rgba(244, 247, 246, 0.4) 0%, rgba(244, 247, 246, 1) 100%),
    url("data:image/svg+xml,%3Csvg width='80' height='80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg stroke='%23001F3F' stroke-width='1.5' stroke-opacity='0.15' fill='none'%3E%3Cpath d='M40 0 V80 M0 40 H80' stroke-dasharray='4 8'/%3E%3Ccircle cx='40' cy='40' r='10'/%3E%3Ccircle cx='40' cy='40' r='4'/%3E%3Ccircle cx='0' cy='0' r='5'/%3E%3Ccircle cx='80' cy='0' r='5'/%3E%3Ccircle cx='0' cy='80' r='5'/%3E%3Ccircle cx='80' cy='80' r='5'/%3E%3Cpath d='M30 30 L40 40 L50 30 M30 50 L40 40 L50 50' stroke-opacity='0.1'/%3E%3C/g%3E%3C/svg%3E") !important;
  background-attachment: scroll, fixed !important;
}

h1, h2, h3, h4, h5, h6, .display-4, .display-3 {
  font-family: 'Space Grotesk', sans-serif;
  letter-spacing: -0.03em;
  color: var(--primary-color);
  font-weight: 700;
}

/* Navbar Corporate Blue */
.navbar-custom {
  background-color: rgba(0, 31, 63, 1) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: none;
  transition: all 0.4s ease;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.navbar-custom.navbar-scrolled {
  background-color: rgba(0, 31, 63, 0.75) !important;
  padding-top: 0.4rem !important;
  padding-bottom: 0.4rem !important;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.navbar-custom .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
  margin-left: 1rem;
}

.navbar-custom .nav-link:hover, .navbar-custom .nav-link.active {
  color: #ffffff !important;
}

.navbar-toggler-icon {
  filter: invert(1);
}

.logo-brand {
  max-height: 45px;
  transition: transform 0.3s ease;
}

.logo-brand:hover {
  transform: scale(1.02);
}

/* Premium Buttons */
.btn {
  font-family: 'Space Grotesk', sans-serif;
  border-radius: 8px;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-accent {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
}

.btn-accent:hover {
  background-color: #1D8348;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(80, 200, 120, 0.3), 0 4px 6px -2px rgba(80, 200, 120, 0.15);
}

.btn-primary-custom {
  background-color: var(--primary-color);
  color: #fff;
  border: none;
}

.btn-primary-custom:hover {
  background-color: #001226;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 31, 63, 0.3);
}

.btn-outline-custom {
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
  background: transparent;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline-custom:hover {
  background-color: #1D8348;
  border-color: #1D8348;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(34, 153, 84, 0.25);
}

/* Hero Sections Minimal */
.hero-minimal {
  padding: 5.5rem 0 6rem; /* Reducido ~1/3 del espacio superior */
  background: linear-gradient(180deg, rgba(244, 247, 246, 0.4) 0%, rgba(226, 232, 240, 0.7) 100%); /* Gradiente translúcido para mostrar el fondo */
  text-align: center;
}

.hero-minimal h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero-subtitle {
  font-size: clamp(1.4rem, 2.2vw, 1.7rem); /* Reducido ~5px (aprox 1.65rem) */
  line-height: 1.4;
  color: var(--text-muted);
  max-width: 900px;
  margin: 0 auto;
}

/* Feature Cards */
.card-clean {
  background-color: #F0F2F5; /* Gris claro, sin ser blanco */
  border: 1px solid var(--border-color);
  border-top: 8px solid var(--primary-color); /* Adorno azul superior */
  border-radius: 16px;
  padding: 2rem 2.5rem;
  height: 100%;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.card-clean:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 31, 63, 0.1); /* Subtle blue shadow */
  border-top: 8px solid #6C757D !important; /* Gris oscuro claro muy notorio */
}

.card-clean.card-accent {
  border-top-color: var(--accent-color);
}

.card-clean.card-accent:hover {
  border-top-color: #1D8348 !important; /* Verde más oscuro al hacer hover */
}

.card-clean h1, .card-clean h2, .card-clean h3, .card-clean h4, .card-clean h5, .card-clean h6, 
.card-clean .text-dark {
  color: #111827 !important; /* Original casi negro */
}

.card-clean .text-muted {
  color: #4B5563 !important; /* Original gris medio */
}

.icon-wrapper-clean {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background-color: var(--bg-color);
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.icon-wrapper-clean svg {
  width: 24px;
  height: 24px;
}

/* Trust Ribbon */
.trust-ribbon-clean {
  padding: 2rem 0;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.carousel-container {
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.carousel-track {
  display: inline-flex;
  align-items: center;
  gap: 4rem;
  animation: scroll-carousel 30s linear infinite;
}

.carousel-track:hover {
  animation-play-state: paused;
}

@keyframes scroll-carousel {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.client-logo-clean {
  max-width: 120px;
  height: auto;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.client-logo-clean:hover {
  filter: grayscale(0%) opacity(1);
}

/* Forms Premium */
.form-control-minimal {
  background-color: #F3F4F6;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  color: var(--text-dark);
}

.form-control-minimal:focus {
  background-color: #fff;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(80, 200, 120, 0.1);
}

.form-control-minimal::placeholder {
  color: #9CA3AF;
}

/* Footer Clean */
.footer-clean {
  background-color: var(--bg-color);
  border-top: 1px solid #9CA3AF;
  padding: 3rem 0 1.5rem;
  color: var(--text-muted);
}

.footer-clean h5 {
  color: var(--text-dark);
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-clean a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-clean a:hover {
  color: var(--primary-color);
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 40px;
  right: 40px;
  background-color: #25d366;
  color: #FFF;
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 25px rgba(37, 211, 102, 0.4);
  color: #fff;
}

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

/* Fin del documento CSS */

/* =========================================
   Responsive Design (Mobile First & Tweaks)
   ========================================= */
@media (max-width: 768px) {
  /* Hero adjustments for mobile */
  .hero-minimal {
    padding: 3rem 0 4rem; /* Menos espacio muerto en pantallas pequeñas */
  }
  
  .hero-subtitle {
    font-size: 1.25rem; /* Ajuste fino para móviles */
    padding: 0 1rem;
  }

  /* Cards adjustments for mobile */
  .card-clean {
    padding: 1.5rem; /* Margen interno más compacto en celulares */
  }

  /* Navbar adjustments */
  .navbar-custom {
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
  }
  
  /* SVG Shapes mobile */
  .shape-1 { width: 150px; }
  .shape-2 { width: 200px; }
  .shape-3 { width: 100px; }