/* ===================================================
   VARIABLES DE TEMA (MODO OSCURO Y CLARO)
   =================================================== */
:root {
  --bg-color: #0b0c10;
  --surface-color: #1f2833;
  --surface-card: #151a21;
  --text-color: #ffffff;
  --text-secondary: #c5c6c7;
  --accent-color: #66fcf1;
  --accent-hover: #45a29e;
  --border-color: #2a3441;
  --header-bg: rgba(11, 12, 16, 0.95);
}

[data-theme="light"] {
  --bg-color: #f4f6f9;
  --surface-color: #ffffff;
  --surface-card: #ffffff;
  --text-color: #111111;
  --text-secondary: #555555;
  --accent-color: #0066ff;
  --accent-hover: #0044cc;
  --border-color: #e1e4e8;
  --header-bg: rgba(255, 255, 255, 0.95);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { 
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
  background-color: var(--bg-color); 
  color: var(--text-color); 
  transition: background-color 0.3s, color 0.3s;
  overflow-x: hidden;
}

/* ===================================================
   HEADER Y MENÚ NAVEGACIÓN (ESCRITORIO)
   =================================================== */
.main-header { 
  position: fixed; 
  top: 0; 
  width: 100%; 
  z-index: 1000; 
  background: var(--header-bg); 
  border-bottom: 1px solid var(--border-color); 
  backdrop-filter: blur(5px); 
}

.header-container { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  padding: 0.8rem 2rem; 
  max-width: 1400px; 
  margin: 0 auto; 
}

.brand-logo img { height: 45px; width: auto; display: block; }
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-name {
    color: var(--text-color, #ffffff);
    font-size: 1.25rem;
    font-weight: 800;
    white-space: nowrap;
    transition: color 0.3s ease;
}

/* Tema claro */
body.light-theme .brand-name,
html[data-theme="light"] .brand-name {
    color: #111111;
}

/* Tema oscuro */
body.dark-theme .brand-name,
html[data-theme="dark"] .brand-name {
    color: #ffffff;
}

@media (max-width: 600px) {
    .brand-name {
        font-size: 0.95rem;
    }

    .brand-logo {
        gap: 8px;
    }
}

.menu-list { display: flex; list-style: none; gap: 1rem; }
.menu-list a { 
  color: var(--text-color); 
  text-decoration: none; 
  font-size: 0.9rem; 
  font-weight: 700; 
  padding: 0.5rem; 
  transition: color 0.2s; 
  text-transform: uppercase; 
}
.menu-list a:hover { color: var(--accent-color); }

/* Submenús */
.has-submenu { position: relative; }
.submenu { 
  display: none; 
  position: absolute; 
  top: 100%; 
  left: 0; 
  background: var(--surface-color); 
  min-width: 220px; 
  list-style: none; 
  border: 1px solid var(--border-color); 
  box-shadow: 0 4px 10px rgba(0,0,0,0.5); 
  z-index: 1001; 
}
.has-submenu:hover > .submenu { display: block; }
.submenu li { position: relative; }
.submenu a { 
  display: block; 
  padding: 0.75rem 1rem; 
  color: var(--text-color); 
  text-transform: none; 
  font-weight: 500; 
  font-size: 0.9rem; 
}
.submenu a:hover { background: var(--accent-color); color: #000; }

/* Submenú Nivel 3: Despliegue Estándar (Derecha) */
.sub-level { top: 0; left: 100%; }

/* Submenú Nivel 3: Despliegue Hacia la Izquierda (Emprendedor / Radiante) */
.sub-level-left { top: 0; left: auto; right: 100%; }

.menu-divider { 
  padding: 0.4rem 1rem; 
  font-size: 0.75rem; 
  color: var(--accent-color); 
  font-weight: bold; 
  text-transform: uppercase; 
  background: rgba(0,0,0,0.15); 
}

/* Botones del Header */
.theme-btn { 
  background: none; 
  border: 1px solid var(--border-color); 
  color: var(--text-color); 
  font-size: 1.2rem; 
  cursor: pointer; 
  padding: 0.3rem 0.6rem; 
  border-radius: 4px; 
  margin-left: auto; 
  margin-right: 1rem; 
}

.hamburger-btn { 
  display: none; 
  background: none; 
  border: none; 
  cursor: pointer; 
  flex-direction: column; 
  gap: 4px; 
}
.hamburger-btn span { width: 25px; height: 3px; background-color: var(--text-color); border-radius: 2px; }

/* ===================================================
   HERO CAROUSEL FULLSCREEN (INDEX)
   =================================================== */
.hero-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 500px;
  background-color: #000;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide.active { opacity: 1; }

.slide-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.85) 100%);
}

.slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #ffffff;
  max-width: 900px;
  padding: 0 1.5rem;
  margin-top: 40px;
}

.slide-tag {
  display: inline-block;
  background: var(--accent-color);
  color: #000;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  letter-spacing: 1px;
}

.slide-content h2 {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1rem;
  text-transform: uppercase;
  text-shadow: 0 4px 15px rgba(0,0,0,0.9);
}

.slide-content p {
  font-size: 1.25rem;
  color: #e0e0e0;
  margin-bottom: 2rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}

.btn-action {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  background: var(--accent-color);
  color: #000;
  font-weight: 800;
  text-decoration: none;
  border-radius: 50px;
  text-transform: uppercase;
  transition: all 0.3s ease;
  box-shadow: 0 0 15px rgba(102, 252, 241, 0.4);
}

.btn-action:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(102, 252, 241, 0.7);
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: 1px solid var(--border-color);
  padding: 1rem 1.2rem;
  cursor: pointer;
  font-size: 1.5rem;
  z-index: 10;
  border-radius: 4px;
  transition: background 0.3s;
}

.carousel-control:hover { background: var(--accent-color); color: #000; }
.carousel-control.prev { left: 20px; }
.carousel-control.next { right: 20px; }

/* ===================================================
   CONTENIDO PRINCIPAL Y TARJETAS (INDEX)
   =================================================== */
.main-content {
  max-width: 1300px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.section-block { margin-bottom: 4rem; }

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-color);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-color);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.3rem; margin-bottom: 0.8rem; color: var(--text-color); }
.card p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; margin-bottom: 1.5rem; flex-grow: 1; }
.card-link { color: var(--accent-color); text-decoration: none; font-weight: 700; transition: color 0.2s; }
.card-link:hover { color: var(--accent-hover); }

/* Banner CTA */
.cta-banner {
  background: linear-gradient(135deg, var(--surface-color) 0%, rgba(0,0,0,0.9) 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem 2rem;
  text-align: center;
  margin-top: 2rem;
}

.cta-content h2 { font-size: 2rem; margin-bottom: 0.8rem; color: var(--text-color); }
.cta-content p { color: var(--text-secondary); font-size: 1.1rem; margin-bottom: 1.8rem; }

.btn-secondary {
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--accent-color);
  border: 2px solid var(--accent-color);
  font-weight: 800;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-secondary:hover { background: var(--accent-color); color: #000; }

/* ===================================================
   ADAPTACIÓN MÓVIL DEFINITIVA (SOPORTE COMPLETO MENÚ & SLIDER)
   =================================================== */
@media screen and (max-width: 1024px) {
  
  /* Botón Hamburguesa */
  .hamburger-btn {
    display: flex !important;
    z-index: 10001;
  }

  /* Menú Responsive con Scroll e Integración */
  .main-header .nav-menu {
    display: none;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    width: 100% !important;
    max-height: 80vh !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    background-color: var(--surface-color) !important;
    border-bottom: 3px solid var(--accent-color) !important;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.8) !important;
    z-index: 10000 !important;
  }

  .main-header .nav-menu.is-active {
    display: block !important;
  }

  .main-header .menu-list {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 0 2rem 0 !important;
  }

  /* HOMOLOGACIÓN DE LETRA GRANDE (MENÚ Y SUBMENÚS) */
  .main-header .menu-list li a,
  .main-header .menu-list .submenu li a {
    font-size: 1.25rem !important; /* Mismo tamaño grande para todo en móvil */
    font-weight: 700 !important;
    line-height: 1.3 !important;
    padding: 1.1rem 1.4rem !important;
    color: var(--text-color) !important;
    display: block !important;
    width: 100% !important;
    border-bottom: 1px solid var(--border-color) !important;
    text-align: left !important;
    box-sizing: border-box !important;
  }

  /* Submenús en Acordeón para Celular */
  .main-header .submenu {
    position: static !important;
    float: none !important;
    width: 100% !important;
    box-shadow: none !important;
    border: none !important;
    background: rgba(0, 0, 0, 0.35) !important;
    display: none;
  }

  .main-header .has-submenu.open > .submenu {
    display: block !important;
  }

  .main-header .submenu .submenu {
    background: rgba(0, 0, 0, 0.55) !important;
    padding-left: 1rem !important;
  }

  .main-header .menu-divider {
    font-size: 0.95rem !important;
    padding: 0.8rem 1.4rem !important;
    background: rgba(0, 0, 0, 0.6) !important;
    color: var(--accent-color) !important;
  }

  /* Ajustes Visuales para la Portada en Móviles */
  .slide-content h2 { font-size: 2rem; }
  .slide-content p { font-size: 1rem; }
  .main-content { padding: 2.5rem 1rem; }
  .carousel-control { padding: 0.6rem 0.8rem; font-size: 1.2rem; }
}