/* CSS #01 — Reset y variables */
:root {
  --color-text: #000;
  --color-bg: #fff;
  --font-main: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  /* Mantengo tus variables originales de ancho */
  --sidebar-left-width: 25%;
  --sidebar-right-width: 25%;
  --logo-block-width: 29%; /* ancho de referencia único */
    --logo-hover-width: 190px;

  /* Padding coherente y reutilizable */
  --content-padding: 2rem;

  --transition-speed: 0.3s;

/* === Variables editoriales === */
  --font-family: 'Inter', sans-serif;
  --font-size-base: 16px;
  --font-size-title: 1rem;
  --font-size-tags: 0.85rem;

  --color-bg: #ffffff;
  --color-text: #111111;
  --color-accent: #0077cc;

  --content-padding: 2rem;
  --gap-size: 2rem;
  --border-radius: 0px;

}

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

html { font-size: 16px; }
body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

/* CSS #02 — Columna izquierda (logo) */
.sidebar-left {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-left-width);
  height: 100vh;
  padding: var(--content-padding);

  display: flex;
  flex-direction: column;
  justify-content: center;   /* centra verticalmente */
  align-items: flex-end;     /* pega al borde interior derecho */
}

/* Contenedor del logo */
.logo-container {
  position: relative;
  width: 410px;
  display: flex;
  flex-direction: column;
  justify-content: center;   /* centro vertical interno */
  align-items: flex-end;     /* borde interior derecho */
  text-decoration: none;
  color: var(--color-text);
}

/* Logo */
.logo-img {
  max-width: var(--logo-block-width);
  height: auto;
  display: block;
  position: relative; /* mantiene el espacio aunque esté oculto */
  transition: opacity var(--transition-speed) ease;
}

/* Texto hover */
.logo-hover-text {
  position: absolute;
  top: 50%;
  left: 50%;
max-width: var(--logo-hover-width);
  transform: translate(0%, -50%); /* horizontal fija, vertical centrada */
  text-align: right;
  line-height: 1.3;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
  pointer-events: none;
}

.logo-container:hover .logo-img { opacity: 0; }
.logo-container:hover .logo-hover-text { opacity: 1; }


/* CSS #03 — Columna derecha (menú) centrada sin perder estilo */
.sidebar-right {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--sidebar-right-width);
  height: 100vh;
  padding: var(--content-padding);

  display: flex;
  flex-direction: column;
  justify-content: center;   /* centrado vertical */
  align-items: flex-start;   /* pegado al borde interior izquierdo */
}

/* Contenedor interno opcional */
.sidebar-right-inner {
  padding: 0; /* evita padding doble */
  width: 100%;
}

/* Panel-brand solo para móvil (oculto en desktop) */
.panel-brand { display: none; }
.panel-close { display: none; }

/* Mostrar solo en móvil */
@media (max-width: 900px) {
  .panel-brand {
    display: block;
    position: relative;
    margin-bottom: 2rem;
    padding-top: 1.5rem;
    padding-right: 2rem;
    text-align: left;
  }

  .panel-close {
    display: block;
    background: none;
    border: none;
    font-size: 1.5rem;
    position: absolute;
    top: 1rem;
    right: 1rem;
    cursor: pointer;
  }
}

/* En desktop, ocultar botón de cierre */
@media (min-width: 901px) {
  .panel-close { display: none; }
}


/* CSS #04 — Navegación y submenús */
.nav-list { list-style: none; margin-bottom: 2rem; }

.nav-link {
  display: block;
  margin-bottom: 0.4rem;
  text-decoration: none;
  color: var(--color-text);
  text-transform: lowercase;
  transition: color var(--transition-speed) ease, text-decoration var(--transition-speed) ease;
}

.nav-link:hover,
.nav-link:focus {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.nav-group { margin-top: 0.4rem; }

.nav-toggle {
  display: block;
  margin-bottom: 0.4rem;
  text-decoration: none;
  color: var(--color-text);
  text-transform: lowercase;
  transition: color var(--transition-speed) ease, text-decoration var(--transition-speed) ease;
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.nav-toggle:hover,
.nav-toggle:focus { color: #555; }

/* Submenús con microinteracción suave */
.nav-sublist {
  list-style: none;
  margin-left: 1rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--transition-speed) ease, opacity var(--transition-speed) ease;
}

.nav-sublist.open {
  max-height: 600px;
  opacity: 1;
}

.nav-sublink {
  display: block;
  margin-bottom: 0.3rem;
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition-speed) ease, text-decoration var(--transition-speed) ease;
}

.nav-sublink:hover,
.nav-sublink:focus {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* CSS #04 === Contenido central (posts) === */
.content {
  margin-left: var(--sidebar-left-width);
  margin-right: var(--sidebar-right-width);
  padding: var(--content-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.post {
  position: relative;
  width: 100%;
  overflow: hidden;
}

.post-image-container {
  position: relative;
  width: 100%;
  height: auto;
}

.post-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.post-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding: 1rem;
  text-align: center;
}

.post-image-container:hover .post-overlay {
  opacity: 1;
}

.post-overlay h2 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.post-tags {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-tags li {
  font-size: 0.9rem;
  line-height: 1.4;
}

/* === Footer === */
.site-footer {
  text-align: center;
  padding: var(--content-padding);
  font-size: 0.85rem;
  border-top: 1px solid #ddd;
  max-width: calc(100% - (var(--sidebar-left-width) + var(--sidebar-right-width) + (var(--content-padding) * 2)));
  margin: 0 auto;
}


/* CSS #07 — Topbar móvil */
.topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid #ddd;
  padding: 0.5rem 1rem;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}

.topbar-brand {
  font-weight: bold;
  text-decoration: none;
  color: var(--color-text);
}

.topbar-toggle {
  background: none;
  border: none;
  cursor: pointer;
}

/* Icono hamburguesa + animación a “X” */
.topbar-toggle-icon {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  display: block;
  position: relative;
  transition: background var(--transition-speed) ease;
}

.topbar-toggle-icon::before,
.topbar-toggle-icon::after {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-text);
  position: absolute;
  left: 0;
  transition: transform var(--transition-speed) ease;
}

.topbar-toggle-icon::before { top: -6px; }
.topbar-toggle-icon::after { top: 6px; }

.topbar-toggle.open .topbar-toggle-icon { background: transparent; }
.topbar-toggle.open .topbar-toggle-icon::before {
  transform: rotate(45deg) translate(5px, 5px);
}
.topbar-toggle.open .topbar-toggle-icon::after {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* CSS #08 — Iconos sociales */
.social-icons {
  list-style: none;
  display: flex;
  gap: 0.5rem;
}

.social-icons a {
  color: var(--color-text);
  font-size: 1.2rem;
  transition: opacity var(--transition-speed) ease;
}

.social-icons a:hover { opacity: 0.7; }

/* CSS #09 — Accesibilidad mínima */
a:focus-visible,
button:focus-visible {
  outline: 1px dotted #999;
  outline-offset: 2px;
}

/* CSS #10 — Responsive */
@media (max-width: 900px) {
  .sidebar-left { display: none; }

  /* Panel lateral móvil (off-canvas) */
  .sidebar-right {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100%;
    background: var(--color-bg);
    transition: right var(--transition-speed) ease;
    z-index: 999;
  }

  .sidebar-right.open { right: 0; }

  /* En móvil, el contenido interno vuelve a flujo normal */
  .sidebar-right-inner {
    position: static;
    transform: none;
    padding: 2rem; /* en móvil sí queremos padding interno */
    height: 100%;
    overflow-y: auto;
  }

  .panel-brand {
    display: block;
    position: relative;
    margin-bottom: 2rem;
    padding-right: 2rem; /* espacio para el botón de cierre */
  }

  .topbar { display: flex; }

  .content {
    margin: 0;
    padding: 4rem 1rem 2rem; /* deja lugar para la topbar */
  }

  .site-footer {
    margin: 0;
    padding: 1.5rem;
    max-width: none; /* En móvil, ocupa el ancho completo útil */
  }
}

/* DEBUG opcional: activar cuando quieras verificar bordes
body,
.sidebar-left,
.sidebar-right,
.content,
.site-footer { outline: 1px dashed red; }
*/


/* ==== GRID CENTRAL DE 3 POSTS ==== */

.content {
  margin-left: var(--sidebar-left-width);
  margin-right: var(--sidebar-right-width);
  padding: var(--content-padding);

  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 columnas iguales */
  gap: 2rem; /* espacio entre posts */
}

.post {
  display: flex;
  flex-direction: column;
  align-items: center; /* centra imagen y texto */
  text-align: center;  /* texto centrado */
}

.post img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* recorte limpio si las imágenes no son proporcionales */
  border-radius: 4px; /* opcional */
}

.post h2 {
  margin-top: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.post p {
  font-size: 0.9rem;
  line-height: 1.4;
  margin-top: 0.3rem;
}

/* Ajuste responsivo: 2 columnas en tablet */
@media (max-width: 1200px) {
  .content {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Ajuste responsivo: 1 columna en mobile */
@media (max-width: 700px) {
  .content {
    grid-template-columns: 1fr;
  }
}



/* === Estilos base para espacialxyz === */

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--gap-size);
  padding: var(--content-padding);
}

.post {
  text-align: left;
}

.post img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.post h2 {
  margin-top: 0.5rem;
  font-size: var(--font-size-title);
}

.post-tags {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0 0;
  font-size: var(--font-size-tags);
}

.post-tags li {
  margin-bottom: 0.2rem;










.hover-wrapper {
  position: relative;
  display: inline-block;
}

.hover-wrapper img {
  display: block;
  width: 100%;
  height: auto;
}

.image-link {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  text-decoration: none;
}

.hover-title {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 0.5rem 1rem;
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-title);
  opacity: 0;
  transition: opacity 0.3s ease;
  text-align: left;
  width: 100%;
  pointer-events: none;
  z-index: 1;
}

.hover-wrapper:hover .hover-title {
  opacity: 1;
}