/* Estilos generales */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  scroll-behavior: smooth;
  line-height: 1.6;
}


/* HEADER */
header {
  position: relative;
  background-color: #ffffff;
  color: #004080;
  padding: 20px 0;
  text-align: center;
}

/* Contenedor del logo */
.logo-container {
  position: absolute;
  left: 40px; /* distancia del borde izquierdo */
  top: 50%;
  transform: translateY(-50%); /* centra verticalmente el logo */
}

/* Ajusta el tamaño del logo aquí */
.logo {
  height: 220px; 
    width: auto;
}

/* Texto centrado */
.header-text {
  display: inline-block;
  max-width: 700px;
}

.header-text h1 {
  font-size: 1.8em;
  margin: 5px 0;
  font-weight: bold;
}

.header-text h2 {
  font-size: 1.2em;
  margin: 5px 0;
  font-weight: normal;
}

/* NAV */
nav {
  background: #003366;
}

.menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.menu > li {
  position: relative;
}

.menu a {
  color: white;
  padding: 14px 20px;
  text-decoration: none;
  display: block;
  font-weight: bold;
}

.menu a:hover {
  background: #0066cc;
  transition: 0.3s;
}

nav {
  background: #003366;
  position: fixed;        /* ✅ Fija el nav en la parte superior */
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;          /* ✅ Asegura que quede encima del contenido */
}

/* Para que el contenido no quede tapado por el menú */
body {
  padding-top: 60px;      /* Ajusta según la altura del nav */
}


/* SUBMENÚ */
.submenu ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #004080;
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 220px;
  border-radius: 0 0 8px 8px;
  z-index: 1000;
}

.submenu ul li a {
  padding: 12px 16px;
  font-weight: normal;
}

.submenu:hover ul {
  display: block;
}

.submenu ul li a:hover {
  background: #0066cc;
}


/* SECCIÓN INICIO */
.inicio {
  background-image: url('https://images.unsplash.com/photo-1523240795612-9a054b0db644?auto=format&fit=crop&w=1200&q=80');
  background-size: cover;
  background-position: center;
  color: white;
  text-align: center;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.inicio-overlay {
  background-color: rgba(255, 255, 255, 0.7); /* fondo blanco semitransparente */
  color: #002b5c; /* texto azul oscuro para que contraste */
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2); /* un toque de sombra para resaltar */
}

.inicio h2 {
  color: #004080;
  font-weight: bold;
  margin-bottom: 15px;
}

/* SECCIONES */
section {
  padding: 60px 20px;
  max-width: 900px;
  margin: auto;
}

section h2 {
  color: #004080;
  border-bottom: 2px solid #004080;
  padding-bottom: 5px;
}

/* FOOTER */
footer {
  background: #f4f4f4;
  text-align: center;
  padding: 20px;
  color: #333;
  margin-top: 40px;
}

.model-card, .model-instrument, .red-card, .result-card, .analysis {
  background: rgba(255,255,255,0.95);
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 18px;
  margin: 18px auto;
  max-width: 960px;
}

.eval-table, .result-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.eval-table th, .eval-table td, .result-table th, .result-table td {
  border: 1px solid #ddd;
  padding: 8px;
  text-align: left;
}

.result-table th {
  background: #f2f7ff;
}

.result-table td {
  text-align: center;
}

.analysis p {
  margin: 10px 0;
}


.red-card {
  background: rgba(255,255,255,0.95);
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 20px;
  margin: 20px auto;
  max-width: 900px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.red-card h3 {
  margin-top: 0;
  color: #1a3d7c;
}

.red-card a {
  color: #2a6de8;
  text-decoration: none;
}

.red-card a:hover {
  text-decoration: underline;
}

.screenshot {
  text-align: center;
  margin-top: 12px;
}

#modelos {
  display: block !important;
}

#modelos * {
  display: block;
  float: none;
  width: auto;
  text-align: left;
}

#seleccionando-modelos {
  padding: 40px;
  background-color: #f9f9f9;
}

.modelo-evaluacion {
  background: #fff;
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.modelo-evaluacion h3 {
  color: #004080;
  margin-bottom: 15px;
}

.modelo-evaluacion table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
  margin-bottom: 20px;
}

.modelo-evaluacion th,
.modelo-evaluacion td {
  border: 1px solid #ccc;
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

.modelo-evaluacion th {
  background-color: #f0f4f8;
  width: 35%;
}


#aplicacion {
  padding: 40px;
  background-color: #f9f9f9;
}

.red-aplicacion {
  background: #fff;
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 30px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.red-aplicacion h3 {
  color: #003366;
  margin-bottom: 10px;
}

.red-aplicacion h4 {
  margin-top: 20px;
  color: #004080;
}

.eval-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  margin-bottom: 20px;
}

.eval-table th, .eval-table td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
  vertical-align: top;
}

.eval-table th {
  background-color: #f0f4f8;
}

.analysis {
  background: #e9f2ff;
  border-left: 5px solid #004080;
  padding: 20px;
  border-radius: 8px;
}


/* === MEDIA QUERIES RESPONSIVE === */

/* 📱 Dispositivos pequeños (móviles, menos de 768px) */
@media (max-width: 768px) {

  /* --- HEADER --- */
  header {
    text-align: center;
    padding: 10px 0;
  }

  .logo-container {
    position: static;
    transform: none;
    margin-bottom: 10px;
  }

  .logo {
    height: 120px;
  }

  .header-text {
    max-width: 100%;
    padding: 0 10px;
  }

  .header-text h1 {
    font-size: 1.2em;
  }

  .header-text h2 {
    font-size: 1em;
  }

  /* --- NAV --- */
  .menu {
    flex-direction: column;
    align-items: stretch;
  }

  .menu a {
    text-align: center;
    padding: 10px;
    border-top: 1px solid #004080;
  }

  /* Evita que el submenú se salga de pantalla */
  .submenu ul {
    position: static;
  }

  /* --- SECCIONES GENERALES --- */
  section {
    padding: 30px 15px;
  }

  /* --- INICIO --- */
  .inicio {
    height: auto;
    padding: 40px 10px;
    flex-direction: column;
  }

  .inicio-overlay {
    padding: 20px;
    width: 100%;
  }

  /* --- TARJETAS / CARDS --- */
  .model-card, .red-card, .result-card, .modelo-evaluacion, .red-aplicacion {
    margin: 10px;
    padding: 15px;
  }

  /* --- TABLAS --- */
  table {
    font-size: 0.9em;
    display: block;
    overflow-x: auto; /* permite desplazamiento horizontal */
    white-space: nowrap;
  }

  /* --- FOOTER --- */
  footer {
    font-size: 0.9em;
    padding: 15px;
  }
}

/* 📱 Dispositivos muy pequeños (menos de 480px) */
@media (max-width: 480px) {

  .logo {
    height: 100px;
  }

  .header-text h1 {
    font-size: 1em;
  }

  .header-text h2 {
    font-size: 0.9em;
  }

  .inicio-overlay {
    padding: 15px;
  }

  section h2 {
    font-size: 1.1em;
  }
}


.video-container {
  text-align: center;
  margin-top: 20px;
}

.video-container video {
  width: 100%;
  max-width: 720px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

/* === SECCIÓN REDISEÑO === */

#redisenio {
  background-color: #f9f9f9;
  padding: 50px 25px;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  margin-top: 40px;
}

#redisenio h2 {
  color: #004080;
  border-bottom: 3px solid #004080;
  padding-bottom: 8px;
  margin-bottom: 25px;
}

#redisenio h3 {
  color: #003366;
  margin-top: 30px;
  margin-bottom: 10px;
  font-size: 1.4em;
}

#redisenio h4 {
  color: #004080;
  margin-top: 20px;
  margin-bottom: 10px;
}

/* Tarjetas internas (si deseas aplicarlas en cada sección dentro del rediseño) */
.redisenio-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 22px;
  border: 1px solid #e0e0e0;
  margin-bottom: 25px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
}

/* Párrafos */
#redisenio p {
  margin-bottom: 14px;
  color: #333;
  font-size: 1em;
  line-height: 1.6;
}

/* Tablas del modelo */
#redisenio table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
  margin-bottom: 30px;
  background: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
}

#redisenio th {
  background-color: #e8f0ff;
  color: #003366;
  padding: 10px;
  font-weight: bold;
  border: 1px solid #ccc;
}

#redisenio td {
  padding: 10px;
  border: 1px solid #ccc;
}

/* Listas */
#redisenio ul {
  margin-left: 20px;
  margin-bottom: 20px;
}

#redisenio ul li {
  margin-bottom: 8px;
}

/* BLOQUE DE ANÁLISIS / CONTENIDO DESTACADO */
.redisenio-highlight {
  background: #eaf2ff;
  border-left: 5px solid #004080;
  padding: 18px;
  border-radius: 8px;
  margin: 25px 0;
}

/* ENLACES */
#redisenio a {
  color: #0066cc;
  text-decoration: none;
}

#redisenio a:hover {
  text-decoration: underline;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  #redisenio {
    padding: 30px 15px;
  }

  #redisenio table {
    font-size: 0.9em;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  #redisenio h3 {
    font-size: 1.2em;
  }
}
.pdf-container {
    width: 100%;
    max-width: 1200px;
    margin: 20px auto;
    border: 2px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    background: #f5f5f5;
}

.pdf-container embed {
    display: block;
    width: 100%;
    min-height: 800px;
}

.download-link {
    text-align: center;
    margin: 20px auto;
    max-width: 1200px;
}

.download-link a {
    display: inline-block;
    margin: 0 10px;
    padding: 12px 25px;
    background-color: #e4e4e4;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
    font-weight: 500;
}

.download-link a:hover {
    background-color: #5568d3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102,126,234,0.3);
}

@media (max-width: 768px) {
    .pdf-container embed {
        min-height: 500px;
    }
    
    .download-link a {
        display: block;
        margin: 10px auto;
        max-width: 250px;
    }
}