/* Reset, variables globales y estilos base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(-120%);
  background-color: var(--color-dark);
  color: var(--color-light);
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  text-decoration: none;
  z-index: 50;
  transition: transform var(--transition-standard);
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--color-light);
}

:root {
  --font-serif: 'Cardo', serif;
  --color-light: #fafaf8;
  --color-dark: #111111;
  --color-muted: #888580;
  --color-soft: #b0aea9;
  --color-border: #e8e6e0;
  --color-input-bg-dark: #1a1a1a;
  --color-input-border-dark: #666;

  --bg-color: var(--color-light);
  --text-color: var(--color-dark);
  --muted-text-color: var(--color-muted);
  --nav-width: 220px;
  --nav-bg: var(--color-light);
  --nav-text: var(--color-muted);
  --nav-hover: var(--color-dark);
  --section-bg: var(--color-light);
  --footer-bg: var(--color-light);

  --transition-duration: 0.3s;
  --transition-timing: ease;
  --transition-standard: var(--transition-duration) var(--transition-timing);
  --loader-fade-duration: 0.6s;
}

html, body {
  height: 100vh;
  overflow: hidden;
}

body {
  font-family: var(--font-serif);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  transition: background-color var(--transition-standard), color var(--transition-standard);
}

body.theme-switching,
body.theme-switching * {
  transition: none !important;
}

/* Variables que sustituyen los colores globales en modo oscuro */
.dark-mode {
  --bg-color: var(--color-dark);
  --text-color: var(--color-light);
  --muted-text-color: var(--color-soft);
  --nav-bg: var(--color-dark);
  --nav-text: var(--color-muted);
  --nav-hover: var(--color-light);
  --section-bg: var(--color-dark);
  --footer-bg: var(--color-dark);
}

/* Navegación lateral para escritorio */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-width);
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.5rem;
  padding: 3rem 2rem;
  background-color: var(--nav-bg);
  z-index: 20;
}

.nav-links {
  display: contents;
}

.nav-nombre {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
  text-decoration: none;
  color: var(--nav-text);
}

nav a {
  text-decoration: none;
  color: var(--nav-text);
  font-style: normal;
  font-size: 1rem;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  transition: all var(--transition-standard);
}

nav a:hover {
  color: var(--nav-hover);
}

nav a.activo {
  font-weight: 700;
  color: var(--nav-hover);
  letter-spacing: 0.15em;
}

/* Área fija de contenido que acompaña a la navegación lateral */
section {
  position: fixed;
  left: calc(var(--nav-width) - 1px);
  top: 0;
  width: calc(100vw - var(--nav-width) + 1px);
  height: calc(100vh - 120px);
  padding: 3rem 4rem;
  background-color: var(--section-bg);
  visibility: hidden;
  overflow-y: auto;
  z-index: 10;
  transition: opacity var(--transition-standard);
}

section h1 {
  color: var(--text-color);
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

section p {
  font-size: 1rem;
  color: var(--text-color);
}

.nav-nombre:visited {
  color: var(--nav-text);
}

.nav-nombre:hover,
.nav-nombre:active {
  color: var(--nav-hover);
}

/* Listas de proyectos y metadata asociada */
.proyectos {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.proyectos li {
  font-size: 1rem;
  color: var(--text-color);
  letter-spacing: 0.05em;
}

.proyecto-meta {
  font-size: 0.85rem;
  color: var(--muted-text-color);
  margin-left: 0.8rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* Footer fijo en escritorio y estático en móvil */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: flex-end;
  background-color: var(--footer-bg);
  transition: background-color var(--transition-standard), color var(--transition-standard);
  z-index: 40;
  pointer-events: none;
}

footer * {
  pointer-events: all;
}

.footer-centro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  padding: 0.5rem 2rem;
  flex-shrink: 0;
}

.desierto-lado {
  width: 400px;
  height: 80px;
  opacity: 0.5;
  flex-shrink: 0;
}

footer p,
footer a {
  font-family: var(--font-serif);
  letter-spacing: 0.1em;
  color: var(--muted-text-color);
}

footer p {
  font-size: 0.85rem;
}

footer a {
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-standard);
}

footer a:hover {
  color: var(--text-color);
}

/* Layout de la biografía */
.bio-contenido {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.bio-foto-img {
  width: 200px;
  height: 260px;
  flex-shrink: 0;
  object-fit: cover;
}

.bio-texto {
  flex: 1 1 640px;
  max-width: 760px;
  min-width: 300px;
}

.bio-texto p {
  font-size: 1rem;
  color: var(--text-color);
  line-height: 1.9;
}

.bio-texto p + p {
  margin-top: 1.5rem;
}

/* Formulario de contacto */
form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 500px;
}

.campo {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

label {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  color: var(--text-color);
}

input, textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  padding: 0.3rem 0;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--text-color);
  outline: none;
  transition: background-color var(--transition-standard), color var(--transition-standard), border-color var(--transition-standard);
}

input:focus, textarea:focus {
  border-bottom: 1px solid var(--text-color);
}

textarea {
  resize: none;
}

.btn-enviar {
  background: transparent;
  border: none;
  padding: 0.6rem 0;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  color: var(--muted-text-color);
  cursor: pointer;
  transition: color var(--transition-standard);
  display: block;
  text-align: left;
  width: 100%;
}

.btn-enviar:hover {
  color: var(--text-color);
}

.dark-mode input,
.dark-mode textarea {
  background-color: var(--color-input-bg-dark);
  color: var(--color-light);
  border-bottom-color: var(--color-input-border-dark);
}

.dark-mode input:focus,
.dark-mode textarea:focus {
  border-bottom-color: var(--color-light);
}

.ubicacion {
  font-size: 0.8rem;
  color: var(--color-soft);
  letter-spacing: 0.1em;
}

.espiral-container {
  width: 40px;
  height: 40px;
  margin-bottom: -0.3rem;
  opacity: 0.5;
  color: var(--nav-text);
  animation: girar 8s linear infinite;
}

.espiral-container svg {
  width: 100%;
  height: 100%;
}

/* Selector de idioma y control de modo oscuro */
.idioma {
  position: fixed;
  top: 3rem;
  right: 2rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  z-index: 100;
}

.idioma-btn {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--muted-text-color);
  cursor: pointer;
  transition: color var(--transition-standard);
  text-transform: lowercase;
}

.idioma-btn:hover {
  color: var(--text-color);
}

.modo-oscuro-btn {
  background: none;
  border: none;
  padding: 0;
  width: 1.35rem;
  height: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--nav-text);
  transition: color var(--transition-standard);
}

.modo-oscuro-btn:hover {
  color: var(--nav-hover);
}

.modo-oscuro-icono {
  width: 100%;
  height: 100%;
}

.modo-oscuro-icono-path {
  transition: opacity var(--transition-standard);
}

.activo-idioma {
  color: var(--text-color);
  font-weight: 700;
}

.dark-mode .activo-idioma {
  color: var(--color-light);
}

.separador-idioma {
  font-size: 0.8rem;
  color: var(--color-soft);
}

/* Layout de listas de proyectos y sus visores */
.foto-layout {
  display: flex;
  gap: 4rem;
  align-items: flex-start;
}

.video-layout {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.video-layout .proyectos {
  min-width: 420px;
  max-width: max-content;
  flex-shrink: 0;
}

.foto-layout .proyectos {
  min-width: 280px;
}

.proyecto-item {
  cursor: pointer;
  transition: color var(--transition-standard);
}

.assistant-proyecto-item {
  cursor: pointer;
  transition: color var(--transition-standard);
  white-space: nowrap;
  overflow: visible;
  text-overflow: clip;
}

.proyecto-item:hover,
.assistant-proyecto-item:hover {
  color: var(--muted-text-color);
}

.proyecto-item.activo-proyecto,
.assistant-proyecto-item.activo-proyecto {
  font-weight: 700;
}

/* Visores de fotografías y previews de video */
.foto-visor {
  flex: 1;
}

.visor-oculto {
  display: none;
}

.video-visor {
  flex: 2.6;
  min-width: 0;
  width: 100%;
}

.video-visor-media {
  width: clamp(380px, 72vw, 585px);
  max-width: none;
  aspect-ratio: 16 / 9;
  background: #000;
  cursor: pointer;
  overflow: hidden;
  border-radius: 4px;
}

.foto-visor-img {
  width: 100%;
  max-width: 500px;
  max-height: 60vh;
  height: auto;
  display: block;
  object-fit: contain;
}

.video-visor-thumb {
  width: 100%;
  max-width: 100%;
  max-height: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  cursor: pointer;
  background: transparent;
}

.video-visor-embed {
  width: 100%;
  height: 100%;
  display: none;
  border: 0;
  pointer-events: none;
}

.foto-visor-info {
  display: flex;
  justify-content: space-between;
  margin-top: 0.8rem;
}

.video-visor-info {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  width: clamp(380px, 72vw, 585px);
}

.foto-visor-titulo {
  font-size: 0.9rem;
  color: var(--text-color);
  letter-spacing: 0.05em;
}

.video-visor-titulo {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-color);
  letter-spacing: 0.05em;
  flex: 1;
  min-width: 0;
}

.foto-visor-meta {
  font-size: 0.8rem;
  color: var(--muted-text-color);
  letter-spacing: 0.05em;
}

.video-visor-meta {
  font-size: 0.8rem;
  color: var(--muted-text-color);
  letter-spacing: 0.05em;
  margin-left: auto;
  text-align: right;
  white-space: nowrap;
}

.foto-visor-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 0.8rem;
}

.btn-prev, .btn-next {
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  color: var(--muted-text-color);
  cursor: pointer;
  transition: color var(--transition-standard);
  width: auto;
}

.btn-prev:hover, .btn-next:hover {
  color: var(--text-color);
}

.foto-visor-contador {
  font-size: 0.8rem;
  color: var(--color-soft);
  letter-spacing: 0.1em;
}

/* Lightbox y navegación de fotografías ampliadas */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  flex-direction: column;
}

.lightbox.activo {
  display: flex;
}

.lightbox-img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  cursor: zoom-in;
  transition: transform var(--transition-standard);
}

.lightbox-img.zoomed {
  cursor: zoom-out;
  transform: scale(1.5);
}

.lightbox-cerrar {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-light);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-standard);
}

.lightbox-cerrar:hover {
  opacity: 1;
}

.lightbox-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.2rem;
}

.lightbox-prev, .lightbox-next {
  background: transparent;
  border: none;
  padding: 0;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  color: var(--muted-text-color);
  cursor: pointer;
  transition: color var(--transition-standard);
  width: auto;
}

.lightbox-prev:hover, .lightbox-next:hover {
  color: var(--color-light);
}

.lightbox-contador {
  font-size: 0.8rem;
  color: var(--muted-text-color);
  letter-spacing: 0.1em;
}

/* Lightbox para reproducción de videos */
.video-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.video-lightbox.activo {
  display: flex;
}

.video-lightbox-player {
  width: 85vw;
  max-width: 1000px;
  max-height: 78vh;
  background: #000;
}

.video-lightbox-embed {
  width: 85vw;
  max-width: 1000px;
  height: 78vh;
  max-height: 78vh;
  background: #000;
  display: none;
  border: 0;
}

.video-lightbox-link {
  margin-top: 0.8rem;
  color: var(--color-soft);
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  text-decoration: none;
  display: none;
}

.video-lightbox-link:hover {
  color: var(--color-light);
}

.video-lightbox-cerrar {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-light);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-standard);
}

.video-lightbox-cerrar:hover {
  opacity: 1;
}

#assistantcamera {
  padding: 3rem 1rem 0;
}

/* Collage inicial y posiciones individuales de sus fotografías */
#inicio {
  padding: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
}

#inicio::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 100%;
  background-color: var(--section-bg);
  pointer-events: none;
}

.collage {
  --collage-top-offset: clamp(95px, 13vh, 165px);
  position: relative;
  width: 100%;
  height: 100%;
  top: var(--collage-top-offset);
  left: clamp(34px, 4vw, 72px);
}

.inicio-proyectos-movil {
  display: none;
}

.inicio-proyecto-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-color);
  font-family: var(--font-serif);
  text-align: left;
  cursor: pointer;
}

.inicio-proyecto-imagen {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.inicio-proyecto-titulo {
  font-size: 0.95rem;
}

.collage-foto {
  position: absolute;
  cursor: pointer;
  opacity: 0.85;
  transition: opacity var(--transition-standard), transform var(--transition-standard);
  object-fit: contain;
  background: transparent;
  border: none;
  height: auto;
  animation: float 8s ease-in-out infinite;
}

.collage-foto-1 { width: 220px; top: 20px; left: 80px; }
.collage-foto-2 { width: 300px; top: 60px; left: 350px; }
.collage-foto-3 { width: 180px; top: 180px; left: 150px; }
.collage-foto-4 { width: 260px; top: 250px; left: 480px; }
.collage-foto-5 { width: 200px; top: 100px; left: 700px; }
.collage-foto-6 {
  width: 280px;
  top: auto;
  bottom: calc(var(--collage-top-offset) + 20px);
  left: 280px;
}

.collage-foto:hover {
  opacity: 1;
  transform: scale(1.05);
  animation-play-state: paused;
}

/* Loader visual mostrado durante la carga inicial */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity var(--loader-fade-duration) ease;
}

.loader.oculto {
  opacity: 0;
  pointer-events: none;
}

.loader-espiral {
  width: 80px;
  height: 80px;
}

@keyframes girar {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-5px); }
}

/* ============================================================
   RESPONSIVE - Tablet (max-width: 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --nav-width: 180px;
  }

  section {
    padding: 2.5rem 2rem;
  }

  #inicio {
    align-items: flex-start;
    overflow-y: auto;
    padding: 2rem;
  }

  .collage {
    display: none;
  }

  .inicio-proyectos-movil {
    display: grid;
    width: 100%;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.75rem;
  }

  .foto-layout {
    flex-direction: column;
    gap: 2rem;
  }

  .foto-visor-titulo,
  .video-visor-titulo,
  .foto-visor-meta,
  .video-visor-meta {
    display: none;
  }

  .video-layout {
    flex-direction: column;
    gap: 2rem;
  }

  .video-layout .proyectos {
    min-width: unset;
    max-width: 100%;
  }

  .assistant-proyecto-item {
    white-space: normal;
  }

  .proyecto-meta {
    display: block;
    margin-left: 0;
    margin-top: 0.15rem;
    white-space: normal;
  }

  .video-visor-media {
    width: 100%;
    max-width: 100%;
  }

  .video-visor-info {
    width: 100%;
  }

  .bio-contenido {
    gap: 2rem;
  }

  .desierto-lado {
    width: 200px;
  }
}

/* ============================================================
   RESPONSIVE - Móvil (max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
  /* Permitir desplazamiento natural en móvil. */
  html, body {
    height: auto;
    overflow: auto;
  }

  /* Nav: estático, flujo normal del documento */
  nav {
    position: static;
    width: 100%;
    height: auto;
    padding: 2rem 1.5rem 0;
    flex-direction: column;
    gap: 0;
  }

  .nav-nombre {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
  }

  /* Links en cuadrícula horizontal que se envuelve */
  .nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem 1.5rem;
  }

  .nav-links a {
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    padding: 0.2rem 0;
  }

  /* Secciones ocultas no ocupan espacio en móvil */
  section {
    position: static;
    width: 100%;
    height: auto;
    padding: 2rem 1.5rem 3rem;
    overflow-y: visible;
    display: none;
  }

  /* La sección visible se muestra como bloque */
  section[style*="visibility: visible"] {
    display: block;
  }

  /* #inicio tiene altura propia para el collage */
  #inicio {
    position: static;
    width: 100%;
    height: auto;
    min-height: 0;
    padding: 1.5rem 1.5rem 2.5rem;
    display: none;
    overflow: visible;
    align-items: stretch;
  }

  /* Cuando inicio sea visible */
  #inicio[style*="visibility: visible"] {
    display: flex;
  }

  #inicio::before {
    display: none;
  }

  #assistantcamera {
    padding: 2rem 1.5rem 3rem;
  }

  .inicio-proyectos-movil {
    gap: 1.5rem 1rem;
  }

  /* Idioma: posición relativa al viewport pero no tapa el nav */
  .idioma {
    position: fixed;
    top: 2rem;
    right: 1.5rem;
  }

  /* Foto layout vertical */
  .foto-layout {
    flex-direction: column;
    gap: 2rem;
  }

  .foto-layout .proyectos {
    min-width: unset;
  }

  .foto-visor {
    width: 100%;
  }

  .foto-visor-img {
    max-width: 100%;
    max-height: 50vh;
  }

  /* Video layout vertical */
  .video-layout {
    flex-direction: column;
    gap: 2rem;
  }

  .video-layout .proyectos {
    min-width: unset;
  }

  .video-visor {
    width: 100%;
  }

  .video-visor-media {
    width: 100%;
  }

  .video-visor-info {
    width: 100%;
    flex-direction: column;
    gap: 0.3rem;
  }

  /* Bio vertical */
  .bio-contenido {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .bio-foto-img {
    width: 160px;
    height: 210px;
  }

  .bio-texto {
    min-width: unset;
    max-width: 100%;
  }

  /* Footer: estático, al final de la página */
  footer {
    position: static;
    width: 100%;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
  }

  .desierto-lado {
    display: none;
  }

  /* Proyecto meta en nueva línea */
  .proyecto-meta {
    display: block;
    margin-left: 0;
    margin-top: 0.15rem;
  }

  .assistant-proyecto-item {
    white-space: normal;
  }

  /* Lightbox móvil */
  .lightbox-img {
    max-width: 95%;
    max-height: 80vh;
  }

  .video-lightbox-player {
    width: 95vw;
  }

  .video-lightbox-embed {
    width: 95vw;
    height: 55vh;
  }

  /* Form full width */
  form {
    max-width: 100%;
  }
}

/* ============================================================
   RESPONSIVE - Móvil pequeño (max-width: 480px)
   ============================================================ */
@media (max-width: 480px) {
  nav {
    padding: 1.5rem 1.2rem 0;
  }

  .nav-nombre {
    font-size: 1rem;
    margin-bottom: 1rem;
  }

  .nav-links {
    gap: 0.15rem 1.2rem;
  }

  .nav-links a {
    font-size: 0.85rem;
  }

  section {
    padding: 1.5rem 1.2rem 2.5rem;
  }

  #assistantcamera {
    padding: 1.5rem 1.2rem 2.5rem;
  }

  #inicio {
    padding: 1.5rem 1.2rem 2.5rem;
  }

  .bio-foto-img {
    width: 130px;
    height: 170px;
  }

  .idioma {
    top: 1.5rem;
    right: 1.2rem;
    gap: 0.3rem;
  }

  .idioma-btn {
    font-size: 0.7rem;
  }

  .separador-idioma {
    font-size: 0.7rem;
  }

  .modo-oscuro-btn {
    width: 1.1rem;
    height: 1.1rem;
  }

  .video-lightbox-embed {
    height: 45vh;
  }
}

#nl-badge-frame {
  display: none !important;
}