/* 
 * Control Sanitario Total
 * Hoja de Estilos Principal
 */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&display=swap');

:root {
  /* Paleta Extraída y Solicitada */
  --primary: #0a2342;       /* Azul Marino - Confianza/Profesionalismo */
  --secondary: #0056b3;     /* Azul Eléctrico - Acento */
  --accent: #28a745;        /* Verde Vibrante - Salud/Ecológico/Seguridad */
  --accent-hover: #218838;
  --white: #ffffff;         /* Limpieza */
  --light-gray: #f8f9fa;
  --metallic-gray: #6c757d; /* Rigor Sanitario */
  --dark-text: #212529;

  /* UI Tokens - "Escudos de Protección" */
  --border-radius: 12px;
  --border-radius-pill: 50px;
  --box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  --box-shadow-hover: 0 12px 40px rgba(0, 86, 179, 0.15);
  
  --transition-speed: 0.3s;
}

/* Reset Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: var(--dark-text);
  background-color: var(--light-gray);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-speed);
}

ul {
  list-style: none;
}

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

/* Estilos de Utilidad */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--border-radius-pill);
  cursor: pointer;
  border: none;
  transition: all var(--transition-speed) ease;
  text-align: center;
}

.btn i {
  margin-right: 8px;
}

.btn-accent {
  background-color: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

/* --- Componentes --- */

/* Header & Navbar */
.main-header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--box-shadow);
  padding: 15px 0;
  transition: all var(--transition-speed) ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container img {
  height: 60px; /* Ajustar según logo real */
}

.main-nav {
  display: flex;
  gap: 25px;
}

.nav-link {
  font-weight: 600;
  color: var(--primary);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--secondary);
  transition: width var(--transition-speed);
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 15px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--primary);
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--primary) 0%, #1a3a60 100%);
  color: var(--white);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: 20px;
}

.hero-section h1 {
  color: var(--white);
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

/* Formulario Hero (Above the Fold) */
.hero-form-card {
  background: var(--white);
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  color: var(--dark-text);
}

.hero-form-card h3 {
  margin-bottom: 20px;
  font-size: 1.5rem;
  text-align: center;
}

.form-group {
  margin-bottom: 15px;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ced4da;
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-speed);
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

/* Cards de Servicios / "Escudos" */
.services-section {
  padding: 80px 0;
  background-color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.service-card {
  background: var(--white);
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  transition: all var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card p {
  flex-grow: 1;
  margin-bottom: 20px;
}

.service-card .btn {
  margin-top: auto;
  align-self: center;
}

/* Simular forma de escudo sutil en el borde superior */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 4px;
  background-color: var(--secondary);
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
  transition: width var(--transition-speed);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-hover);
}

.service-card:hover::before {
  width: 100%;
  background-color: var(--accent);
}

.service-icon {
  font-size: 3rem;
  color: var(--secondary);
  margin-bottom: 20px;
}

/* Diferenciadores */
.features-section {
  padding: 80px 0;
  background-color: var(--light-gray);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.feature-item i {
  color: var(--accent);
  font-size: 1.5rem;
  margin-top: 5px;
}

/* WhatsApp Flotante */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: 2px 2px 15px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  transition: transform var(--transition-speed);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  color: white;
}

/* Footer */
.main-footer {
  background-color: var(--primary);
  color: var(--white);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 2px;
  background-color: var(--accent);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none; /* Se manejará con JS para mobile */
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
  }

  .main-nav.active {
    display: flex;
  }

  .mobile-menu-btn {
    display: block;
  }

  .header-cta .btn {
    display: none; /* Ocultar botón de header en móvil para dar espacio al menú, el sticky wpp compensa */
  }

  h1 { font-size: 2rem; }
}