/* ========================================================================= */
/* === [0] VARIABLES GLOBALES DE COLOR (INSTITUCIONAL y III CICLO) === */
/* ========================================================================= */
:root {
  --cecns-wine: #800020; /* Vino Oscuro (Color acento III Ciclo) */
  --cecns-gold: #ffc300; /* Amarillo/Oro (Acento Institucional) */
  --cecns-blue: #004aad; /* Azul Institucional (Principal del Header/Menú) */
  --bg-white: #ffffff;
  --text-color: #333;
  --text-color-light: #666;
  --bg-light: #f8f8f8;
  --iii-ciclo-color: var(--cecns-wine);
  --header-height: 65px;
}

/* ========================================================================= */
/* === [A] AJUSTES BASE Y TIPOGRAFÍA === */
/* ========================================================================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "Arial", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-white);
  scroll-behavior: smooth;
}
a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s;
}
p {
  margin-bottom: 1rem;
}

.section-padding {
  padding: 3rem 5%;
  text-align: center;
}
.bg-light {
  background-color: var(--bg-light);
}
.bg-white {
  background-color: var(--bg-white);
}
.content-wrapper {
  max-width: 1000px;
  margin: 0 auto;
}
.text-gold {
  color: var(--cecns-gold) !important;
}

/* Títulos y Listas */
.section-title {
  font-size: 2.2rem;
  color: var(--iii-ciclo-color);
  margin-bottom: 0.5rem;
  font-weight: 700;
}
.section-title i {
  color: var(--cecns-gold);
  margin-right: 10px;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-color-light);
  margin-bottom: 2rem;
}
.requirements-list-enhanced {
  list-style: none;
  padding: 0;
  margin-top: 15px;
  text-align: left;
}
.requirements-list-enhanced li {
  padding: 10px 0;
  font-size: 1.05rem;
  border-bottom: 1px dashed #eee;
}
.requirements-list-enhanced li i {
  margin-right: 10px;
  color: var(--cecns-blue);
}

/* Empuje del contenido principal */
main {
  padding-top: var(--header-height);
}

/* ========================================================================= */
/* === [B] HEADER Y NAVEGACIÓN (igual que style3ciclo.css) === */
/* ========================================================================= */
.main-header {
  background: var(--bg-white);
  padding: 0.5rem 5%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1001;
}
.logo-img {
  height: 45px;
}
.logo h1 {
  color: var(--cecns-blue);
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--cecns-blue);
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  margin-left: auto;
}
.main-nav {
  margin-left: auto;
}
.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
}
.main-nav a {
  text-decoration: none;
  color: var(--text-color);
  padding: 1rem 1rem;
  display: block;
  transition: color 0.3s, background-color 0.3s;
  font-weight: 500;
}
.main-nav a:hover {
  color: var(--cecns-blue);
  background-color: var(--bg-light);
}
.btn-cta-nav {
  background-color: var(--cecns-gold) !important;
  color: var(--cecns-blue) !important;
  border-radius: 5px;
  padding: 0.8rem 1.5rem !important;
  font-weight: bold;
  margin-left: 15px;
}
.btn-cta-nav:hover {
  background-color: var(--cecns-blue) !important;
  color: var(--cecns-gold) !important;
}

/* Dropdown */
.dropdown {
  position: relative;
  z-index: 2000;
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--cecns-blue);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  min-width: 350px;
  list-style: none;
  padding: 0;
  border-radius: 5px;
  z-index: 2001;
  display: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  pointer-events: none;
}
.dropdown-toggle i {
  margin-left: 5px;
  font-size: 0.8em;
  transition: transform 0.3s ease;
}
.dropdown-menu li a {
  color: white;
  padding: 10px 15px;
  font-weight: 400;
}
.dropdown-menu li a:hover {
  background-color: var(--cecns-gold);
  color: var(--cecns-blue);
}

/* ========================================================================= */
/* === [C] SECCIÓN HERO (III CICLO) === */
/* ========================================================================= */
.third-cycle-hero {
  background: var(--cecns-wine);
  padding: 4rem 5%;
  color: white;
  text-align: center;
}
.level-hero-title {
  color: var(--cecns-gold);
  font-size: 3.2rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.level-hero-slogan {
  font-size: 1.2rem;
  font-style: italic;
  font-weight: 300;
}

/* ========================================================================= */
/* === [H] PIE DE PÁGINA (si aplica en esta página) === */
/* ========================================================================= */
.main-footer {
  background: var(--cecns-blue);
  color: white;
  padding: 1.5rem 5%;
  text-align: center;
  font-size: 0.9rem;
}
.main-footer a {
  color: var(--cecns-gold);
  transition: color 0.3s;
}
.main-footer a:hover {
  color: var(--bg-white);
}

/* ========================================================================= */
/* === [I] RESPONSIVE Y MENÚ MÓVIL === */
/* ========================================================================= */

/* Desktop - Dropdown hover */
@media (min-width: 901px) {
  .dropdown:hover .dropdown-menu {
    display: block !important;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .dropdown.open .dropdown-menu {
    display: none !important;
    opacity: 0;
    visibility: hidden;
  }
}

/* Móvil */
@media (max-width: 900px) {
  .main-header {
    justify-content: space-between !important;
    position: fixed !important;
    height: 60px;
    padding: 5px 5%;
  }
  main {
    padding-top: 60px !important;
  }

  .nav-toggle {
    display: block !important;
  }

  .main-nav {
    display: none !important;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background-color: var(--cecns-blue);
    box-shadow: 0 8px 10px rgba(0, 0, 0, 0.2);
    z-index: 999;
    margin-left: 0;
    overflow-y: auto;
    max-height: calc(100vh - 60px);
  }
  .main-nav.active {
    display: block !important;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 0;
  }
  .main-nav ul li {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .main-nav a {
    color: var(--bg-white);
    padding: 12px 20px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .btn-cta-nav {
    display: none;
  }

  .dropdown-menu {
    position: static !important;
    background-color: #002c5c;
    box-shadow: none;
    min-width: unset;
    border-radius: 0;
    display: none !important;
    opacity: 1;
    visibility: visible;
  }
  .dropdown.open .dropdown-menu {
    display: block !important;
    padding: 0;
  }
  .dropdown-menu li a {
    padding: 10px 30px;
    background-color: #002c5c;
  }

  /* Tabs en una columna */
  .tabs-buttons {
    flex-direction: column;
  }
}