* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-align: center;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  background: #ffffff;
  color: #333;
}

/* ================================================
   VARIABLES
:root {
  --azul: #003A70;
  --azul-claro: #005A9C;
  --gris-suave: #F4F6FA;
  --gris-texto: #555;
}

/* ================================================
   HEADER
.nav {
  width: 100%;
  background: white;
  padding: 16px 0;
  box-shadow: 0 3px 10px rgba(0,0,0,0.06);
  position: fixed;
  top: 0;
  z-index: 1000;
}

.nav-container {
  width: 90%;
  max-width: 1300px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 26px;
  font-weight: 700;
  color: var(--azul);
  letter-spacing: 1px;
}

.menu a {
  margin-left: 25px;
  text-decoration: none;
  font-size: 16px;
  color: var(--azul);
  font-weight: 600;
  transition: .3s;
}

.menu a:hover {
  color: var(--azul-claro);
}

/* ================================================
   SECCIONES
.seccion {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  padding: 100px 0;
}

.titulo-seccion {
  font-size: 32px;
  font-weight: 800;
  color: var(--azul);
  margin-bottom: 10px;
}

/* ================================================
   FOOTER
.footer {
  background: var(--azul);
  color: white;
  padding: 30px 0;
  text-align: center;
  margin-top: 80px;
}

/* ================================================
   TARJETAS Y CONTENEDORES REUTILIZABLES
.card {
  background: white;
  padding: 25px;
  border-radius: 16px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.06);
  transition: .3s;
}

.card:hover {
  transform: translateY(-4px);
}

/* ================================================
   BOTONES
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: .3s;
}

.btn-primario {
  background: var(--azul);
  color: white;
}

.btn-primario:hover {
  background: var(--azul-claro);
}

/* ================================================
   HERO GLOBAL
.hero {
  padding: 160px 20px 120px 20px;
  text-align: center;
  color: white;
}

/* ================================================
   RESPONSIVE
@media (max-width: 768px) {
  .menu a {
    margin-left: 15px;
  }
}

/* ==== Ajustes específicos para la sección del mapa ==== */

#mapa {
  padding-top: 40px;
  padding-bottom: 40px;
  margin-top: -20px;
}

.mapa-contenedor {
  width: 100%;
  height: 350px;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 5px 18px rgba(0,0,0,0.08);
}

.mapa-contenedor iframe {
  width: 100%;
  height: 100%;
  border: none;
}