/* ===== CSS COMPARTIDO =====
   Estilos base, menú hamburguesa, sidebar, overlay y fade-in.
   Se carga en varias páginas antes del CSS de cada una. */

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

/* Base del cuerpo */
body {
  background-color: #111;
  font-family: "Source Sans Pro", Arial, sans-serif;
  color: #fff;
  transition: filter 0.3s ease;
  overflow-x: hidden;
}

/* Títulos con Playfair Display */
h1, h2 {
  font-family: "Playfair Display", serif;
}

/* ===== MENÚ HAMBURGUESA ===== */
.menu-bar {
  position: fixed;
  top: 20px;
  left: 20px;
  cursor: pointer;
  z-index: 100;
}

.menu-bar .bar {
  width: 30px;
  height: 4px;
  background-color: #fff;
  margin: 6px 0;
  transition: 0.3s;
}

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: -250px;
  width: 250px;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.95);
  padding-top: 60px;
  transition: left 0.3s ease;
  z-index: 99;
  overflow-y: auto;
}

.sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar ul li {
  padding: 15px;
}

.sidebar ul li a {
  color: #ccc;
  text-decoration: none;
  font-size: 1.2em;
  display: block;
  transition: color 0.3s;
}

.sidebar ul li:hover {
  background: #333;
}

.sidebar ul li a:hover {
  color: #fff;
}

/* Clase para mostrar la barra (según el JS de cada página) */
.sidebar.active,
.sidebar.open {
  left: 0;
}

/* ===== OVERLAY (fondo borroso) ===== */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  z-index: 98;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  pointer-events: none;
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ===== DESENFOQUE DEL CONTENIDO ===== */
.blurred {
  filter: blur(5px);
}

/* ===== EFFECTOS FADE-IN ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fade-in de la página completa (body) */
body.fade-in {
  opacity: 0;
  animation: fadeIn 1s ease-in-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== FOOTER ===== */
.site-footer {
  background-color: #1a1a1a;
  border-top: 1px solid #333;
  padding: 20px 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 15px;
  text-align: center;
}

.site-footer .copyright {
  color: #888;
  font-size: 0.9em;
}

.site-footer .social-icons-footer {
  display: flex;
  gap: 15px;
  align-items: center;
}

.site-footer .social-icons-footer a {
  text-decoration: none;
  display: inline-block;
}

.site-footer .social-icons-footer svg {
  width: 20px;
  height: 20px;
  transition: transform 0.2s, fill 0.3s, stroke 0.3s;
}

.site-footer .social-icons-footer svg:hover {
  transform: scale(1.1);
}

.site-footer .social-icons-footer svg[fill="#fff"]:hover {
  fill: #26CFD2;
}

.site-footer .social-icons-footer svg[stroke="#fff"]:hover {
  stroke: #26CFD2;
}

@media (max-width: 768px) {
  .site-footer {
    flex-direction: column;
    text-align: center;
  }
}