/* ─── EBA DIGITAL ARCHIVE: SISTEMA DE DISEÑO MINIMALISTA PURO Y CLARO ─── */

:root {
  /* Paleta Pura y Jovial de Alta Exclusividad */
  --bg-color: #fbfcfa;          /* Blanco cálido/hueso puro */
  --bg-grid-line: #eaeaea;      /* Líneas de estructura claras de 1px */
  --bg-cell-hover: #ffffff;     /* Resalte a blanco puro en hover */
  --text-primary: #111111;      /* Gris carbón oscuro para lectura premium */
  --text-secondary: #707070;    /* Gris medio para metadatos y etiquetas */
  --text-muted: #aaaaaa;        /* Gris claro para bordes inactivos y códigos */
  
  --accent-carmine: #d12b2b;    /* Rojo carmín jovial para cursor e indicadores */
  --accent-corten: #8d5b4c;     /* Acero corten para acentos orgánicos */
  --accent-blue: #1e5ba0;       /* Azul técnico/blueprint refinado (en versión clara) */

  /* Tipografías */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'DM Mono', monospace;

  --transition-smooth: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ─── RESET & REGLAS GENERALES ─── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

html, body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scrollbar minimalista */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: #ddd;
  border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-corten);
}

/* ─── CURSOR SEGUIDOR REFINADO ─── */
.cursor-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-carmine);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9999;
  transition: width 0.3s, height 0.3s, background-color 0.3s;
}

.cursor-follower {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.1s cubic-bezier(0.25, 1, 0.5, 1), 
              width 0.3s, height 0.3s, border-color 0.3s;
}

/* Hover de cursor */
body.hover-link .cursor-dot {
  width: 3px;
  height: 3px;
  background-color: var(--accent-carmine);
}
body.hover-link .cursor-follower {
  width: 44px;
  height: 44px;
  border-color: rgba(0, 0, 0, 0.25);
  background-color: rgba(0, 0, 0, 0.01);
}

/* Ocultar cursor en móviles */
@media (pointer: coarse) {
  .cursor-dot, .cursor-follower {
    display: none;
  }
}

/* ─── ENLACES TÉCNICOS ─── */
a {
  color: inherit;
  text-decoration: none;
}

/* ─── CABECERA DEL ARCHIVO ─── */
.archive-header {
  border-bottom: 1px solid var(--bg-grid-line);
  padding: 3rem 4%;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.header-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: flex-start;
  gap: 2rem;
}

.logo-block {
  display: flex;
  flex-direction: column;
  line-height: 0.85;
}
.logo-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.logo-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.header-meta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  line-height: 1.8;
  justify-self: end;
}

.header-meta span {
  display: block;
}

.email-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
  margin-top: 0.2rem;
}

.email-link {
  color: var(--accent-carmine) !important;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: lowercase;
  letter-spacing: 0.05em;
  transition: opacity 0.3s;
}

.email-link:hover {
  opacity: 0.8;
}

.btn-copy-email {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--accent-carmine);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, color 0.2s ease;
  vertical-align: middle;
}

.btn-copy-email:hover {
  color: #fff;
  transform: scale(1.1);
}

.btn-copy-email:active {
  transform: scale(0.9);
}

.btn-copy-email.copied {
  color: #2bd154 !important;
}

.construction-status {
  justify-self: center;
  align-self: center;
  min-width: min(520px, 42vw);
  padding: 0.85rem 1.6rem 0.95rem;
  border-top: 1px solid rgba(209, 43, 43, 0.22);
  border-bottom: 1px solid rgba(209, 43, 43, 0.22);
  text-align: center;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background:
    linear-gradient(90deg, transparent, rgba(209, 43, 43, 0.05), transparent);
}

.construction-kicker {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--accent-corten);
  font-size: 0.56rem;
}

.construction-title {
  display: block;
  color: var(--text-secondary);
  font-size: clamp(0.78rem, 1.05vw, 1rem);
  font-weight: 600;
}

.construction-always {
  display: block;
  margin-top: 0.35rem;
  color: rgba(209, 43, 43, 0.65);
  font-size: clamp(0.72rem, 0.95vw, 0.9rem);
  font-weight: 600;
}

.header-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding-top: 1rem;
  position: relative;
}

.nav-slogan {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-align: center;
  max-width: 45%;
  line-height: 1.45;
  text-transform: uppercase;
  pointer-events: none;
}

.nav-links-group {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
  padding-bottom: 0.2rem;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--accent-corten);
  transition: var(--transition-fast);
}
.nav-link.active::after, .nav-link:hover::after {
  width: 100%;
}

.btn-exit {
  color: var(--accent-carmine);
  transition: var(--transition-fast);
  border: 1px solid rgba(209, 43, 43, 0.2);
  padding: 0.4rem 0.8rem;
}
.btn-exit:hover {
  background-color: var(--accent-carmine);
  color: #fff;
  border-color: var(--accent-carmine);
}

/* ─── SELECTOR DE IDIOMAS ─── */
.language-selector-wrapper {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  margin-top: 0.4rem;
}

.lang-label {
  color: var(--text-muted);
  text-transform: uppercase;
}

.btn-lang {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  cursor: pointer;
  padding: 0;
  transition: color var(--transition-fast);
  text-transform: uppercase;
}

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

.btn-lang.active {
  color: var(--accent-carmine);
  font-weight: 600;
}

.lang-divider {
  color: var(--text-muted);
}

/* ─── CONTENEDOR DE LA GRILLA PERIÓDICA ─── */
.eba-archive-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background-color: var(--bg-grid-line);
  gap: 1px;
  border-bottom: 1px solid var(--bg-grid-line);
}

/* ─── ESTRUCTURA DE CELDA BASE ─── */
.eba-archive-cell {
  background-color: var(--bg-color);
  min-height: 380px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.2rem;
  transition: background-color 0.4s ease, opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

/* Celdas con tamaño especial */
.cell-w2 {
  grid-column: span 2;
}
.cell-h2 {
  grid-row: span 2;
  min-height: 760px;
}

/* ─── CELDAS CONCEPTUALES (TEXTO / EDITORIAL) ─── */
.cell-conceptual {
  background-color: #faf9f6;    /* Fondo ligeramente hueso para dar ritmo */
}

.cell-code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 1.5rem;
}

.eba-archive-cell:hover .cell-code {
  color: var(--accent-carmine);
}

.cell-content-text {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cell-title-serif {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.5vw, 2.4rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.cell-paragraph-mono {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.6;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.cell-footer-meta {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 1.5rem;
}

/* ─── CELDAS DE PROYECTO (IMAGEN + INTERACCIÓN) ─── */
.cell-project {
  cursor: pointer;
}

.project-visuals-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.project-img-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1.0;                  /* Brillo original completo (opacidad 1.0) */
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  /* Removido filtro de escala de grises para conservar color y luz originales */
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  will-change: opacity;
}

.project-technical-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  mix-blend-mode: multiply;      /* Mezcla multiplicar para trazos oscuros */
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  filter: contrast(1.2) brightness(0.95) invert(1);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  will-change: opacity;
}

.project-tint-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: transparent; /* Fondo transparente por defecto */
  transition: background-color 0.4s ease;
  z-index: 2;
  pointer-events: none;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
}

.cell-project-content {
  position: relative;
  z-index: 3;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-chemical-symbol {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.0;
}

.project-index-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
}

.project-meta-bottom {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.project-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-transform: uppercase;
}

.project-tags {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── EFECTOS HOVER DE CELDA DE PROYECTO ─── */
.cell-project:hover {
  background-color: var(--bg-cell-hover);
}

.cell-project:hover .project-img-bg {
  opacity: 0.05;
  /* Removido transform: scale para prevenir el bug de parpadeo de mix-blend-mode en Chrome */
}

.cell-project:hover .project-technical-bg {
  opacity: 0.9;
  /* Removido transform: scale para prevenir el bug de parpadeo de mix-blend-mode en Chrome */
}

.cell-project:hover .project-tint-overlay {
  background-color: rgba(251, 251, 250, 0.95);
}

.cell-project:hover .project-chemical-symbol {
  color: var(--accent-carmine);
}

.cell-project:hover .project-title {
  color: var(--accent-carmine);
}

/* Hover específico para Like-E2 */
.cell-like-e2 {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.4s ease, opacity 0.6s, filter 0.6s;
}

.cell-like-e2 .project-img-bg,
.cell-like-e2 .project-technical-bg {
  object-fit: cover !important;
}

.cell-like-e2:hover {
  transform: scale(1.1) !important;
  z-index: 10 !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.cell-like-e2:hover .project-img-bg {
  opacity: 0.95 !important;
  filter: grayscale(0) !important;
  transform: scale(1.05) !important;
}

.cell-like-e2:hover .project-tint-overlay {
  background-color: rgba(255, 255, 255, 0.1) !important;
}

.cell-like-e2:hover .project-technical-bg {
  opacity: 0 !important;
}

.cell-like-e2:hover .cell-project-content {
  opacity: 0;
}

/* Título superpuesto en hover de Like-E2 */
.project-hover-desc {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.2rem;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.6) 100%);
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 4;
  pointer-events: none;
}

.cell-like-e2:hover .project-hover-desc {
  opacity: 1;
}

.project-hover-desc p {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-style: italic;
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-align: center;
  max-width: 90%;
}

.project-buy-icon {
  color: var(--text-secondary);
  opacity: 0.5;
  transition: color 0.3s ease, opacity 0.3s ease;
}

.cell-project:hover .project-buy-icon {
  color: var(--accent-corten);
  opacity: 1;
}

/* ─── FILTROS DE LA GRILLA (ESTADO APAGADO) ─── */
.eba-archive-cell.filtered-out {
  opacity: 0.15;
  filter: blur(1px);
  pointer-events: none;
}

/* Animación de parpadeo tecnológico */
.eba-archive-cell.flickering {
  animation: grid-flicker 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes grid-flicker {
  0% {
    opacity: 0.2;
    filter: blur(2px);
  }
  15% {
    opacity: 0.9;
    filter: none;
  }
  30% {
    opacity: 0.1;
    filter: blur(3px);
  }
  45% {
    opacity: 0.8;
    filter: none;
  }
  65% {
    opacity: 0.15;
    filter: blur(1px);
  }
  80% {
    opacity: 0.95;
    filter: none;
  }
  100% {
    opacity: 1;
    filter: none;
  }
}

/* ─── CELDA DE ACCESO PRIVADO ESPECIAL ─── */
.cell-private-access {
  background-color: #faf9f6;
  border: 1px solid var(--bg-grid-line);
}

.private-access-form {
  margin-top: 1rem;
}

.private-access-input {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--bg-grid-line);
  color: var(--text-primary);
  padding: 0.7rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  outline: none;
  letter-spacing: 0.08em;
  transition: var(--transition-fast);
}

.private-access-input:focus {
  border-color: var(--accent-carmine);
}

.private-access-btn {
  width: 100%;
  margin-top: 0.5rem;
  background: var(--accent-carmine);
  border: none;
  color: var(--bg-color);
  padding: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-fast);
}

.private-access-btn:hover {
  background-color: #b82222;
}

.private-status-msg {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  margin-top: 0.6rem;
  display: none;
}

.private-status-msg.error {
  color: var(--accent-carmine);
}

.private-status-msg.success {
  color: #2bd154;
}

/* ─── ELEMENTO MATRIZ DE PRINCIPIOS ─── */
.principles-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.principle-item {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #111;
  padding-bottom: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
}

.principle-item span.label {
  color: var(--text-muted);
}
.principle-item span.value {
  color: var(--text-secondary);
}

/* ─── FOOTER TÉCNICO ─── */
.archive-footer {
  border-top: 1px solid var(--bg-grid-line);
  padding: 4rem 4%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

/* ─── MODAL OSCURO DE DETALLE TÉCNICO (OVERLAY) ─── */
.project-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(251, 251, 250, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.6s;
  display: flex;
  justify-content: flex-end;
}

.project-modal.active {
  opacity: 1;
  visibility: visible;
}

.project-modal-content {
  width: 50%;
  height: 100%;
  background-color: var(--bg-color);
  border-left: 1px solid var(--bg-grid-line);
  padding: 4.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.project-modal.active .project-modal-content {
  transform: translateX(0);
}

.project-modal-close {
  position: absolute;
  top: 2rem;
  right: 2.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.project-modal-close:hover {
  color: var(--accent-carmine);
}

.modal-metadata {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-corten);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.modal-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 2.2rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.modal-desc-block {
  margin-bottom: 3rem;
}

.modal-desc-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  border-bottom: 1px solid var(--bg-grid-line);
  padding-bottom: 0.6rem;
  margin-bottom: 1.2rem;
}

.modal-description {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-weight: 300;
  text-align: justify;
  white-space: pre-line;
}

/* Galería del Modal: Stack vertical minimalista */
.modal-gallery {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 2rem;
}

.modal-gallery-img-wrap {
  width: 100%;
  position: relative;
  background-color: transparent;
  border: 1px solid var(--bg-grid-line);
  overflow: hidden;
}

.modal-gallery-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  opacity: 1;
  transition: var(--transition-smooth);
}

.modal-gallery-img-wrap:hover img {
  opacity: 1;
}

.modal-footer {
  margin-top: 4rem;
  border-top: 1px solid var(--bg-grid-line);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* ─── TOAST DE ACCESO PRIVADO ─── */
#private-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--text-primary);
  color: var(--bg-color);
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 10005;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.btn-inquire {
  background: none;
  border: 1px solid var(--text-secondary);
  color: var(--text-primary);
  padding: 0.6rem 1.2rem;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-fast);
  margin-top: 0.8rem;
  width: fit-content;
  align-self: flex-start;
  text-align: center;
}
.btn-inquire:hover {
  background-color: var(--text-primary);
  color: var(--bg-color);
  border-color: var(--text-primary);
}

/* ─── RESPONSIVIDAD ─── */

@media screen and (max-width: 1200px) {
  .eba-archive-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media screen and (max-width: 900px) {
  .nav-slogan {
    display: none;
  }
  .eba-archive-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cell-w2 {
    grid-column: span 2;
  }
  .project-modal-content {
    width: 80%;
    padding: 3rem;
  }
}

@media screen and (max-width: 600px) {
  .eba-archive-grid {
    grid-template-columns: 1fr;
  }
  .cell-w2 {
    grid-column: span 1;
  }
  .cell-h2 {
    min-height: 400px;
  }
  .project-modal-content {
    width: 100%;
    padding: 2.2rem;
  }
  .archive-header {
    padding: 2.2rem 6%;
  }
  .header-top {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .construction-status {
    justify-self: stretch;
    min-width: 0;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .header-meta {
    text-align: left;
    justify-self: start;
  }
  .language-selector-wrapper {
    justify-content: flex-start;
    margin-top: 0.5rem;
  }
  .header-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .nav-links-group {
    flex-wrap: wrap;
    gap: 1.2rem;
  }
  .archive-footer {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 3rem 6%;
  }
}

/* ─── 10. ESTILOS DE LA PANTALLA DE INTRODUCCIÓN AMBIENTAL ─── */
body.intro-active {
  overflow: hidden !important;
}

.intro-landing {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10000;
  overflow: hidden;
  background-color: #fbfcfa;
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 1.2s;
  opacity: 1;
  visibility: visible;
}

.intro-landing.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-bg-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.intro-bg-img {
  width: 108%;
  height: 108%;
  object-fit: cover;
  position: absolute;
  top: -4%;
  left: -4%;
  filter: url(#wind-sway) brightness(0.88) contrast(1.02) saturate(0.95);
  animation: cameraDrift 40s ease-in-out infinite;
}

.intro-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, transparent 20%, rgba(251, 251, 250, 0.8) 100%),
              linear-gradient(to bottom, rgba(251, 251, 250, 0.3) 0%, transparent 40%, transparent 60%, rgba(251, 251, 250, 0.8) 100%);
  z-index: 1;
}

/* Partículas de Polen */
.pollen-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

.pollen-particle {
  position: absolute;
  background-color: rgba(209, 43, 43, 0.25);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(0.75px);
}

@keyframes pollenFloat {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  5% {
    opacity: 0.35;
  }
  50% {
    transform: translateY(-60vh) translateX(-25px);
  }
  95% {
    opacity: 0.35;
  }
  100% {
    transform: translateY(-120vh) translateX(15px);
    opacity: 0;
  }
}

/* Contenido Principal de Intro */
.intro-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 4rem 6%;
}

.intro-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.intro-logo-block {
  display: flex;
  flex-direction: column;
  line-height: 0.85;
}

.intro-logo-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.intro-logo-subtitle {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
  text-transform: uppercase;
}

.intro-header-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
}

/* Centro: Botón de Acción Principal y Metadatos */
.intro-center {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-grow: 1;
}

.intro-center-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3.5rem;
  text-align: center;
}

.btn-intro-action {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(0, 0, 0, 0.15);
  padding: 1.4rem 3.5rem;
  font-family: var(--font-mono);
  font-size: clamp(0.8rem, 1.8vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-intro-action::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.04), transparent);
  transition: 0.6s;
}

.btn-intro-action:hover {
  background-color: var(--text-primary);
  color: var(--bg-color);
  border-color: var(--text-primary);
  transform: scale(1.03);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05), 0 0 2px rgba(0, 0, 0, 0.1);
}

.btn-intro-action:hover::before {
  left: 100%;
}

.btn-intro-action:active {
  transform: scale(0.98);
}

.intro-meta-block {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-family: var(--font-sans);
  line-height: 1.05;
  align-items: center;
  text-transform: uppercase;
}

.intro-coords {
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  font-weight: 700;
  color: rgba(17, 17, 17, 0.4);
  letter-spacing: -0.03em;
}

.intro-season-time {
  font-size: clamp(1.7rem, 3.8vw, 2.7rem);
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.04em;
}

/* Animación de deriva de cámara Ken Burns */
@keyframes cameraDrift {
  0% {
    transform: scale(1.08) translate(-1%, -1%);
  }
  50% {
    transform: scale(1.13) translate(1%, 1%);
  }
  100% {
    transform: scale(1.08) translate(-1%, -1%);
  }
}

/* Responsividad para la Intro */
@media (max-width: 768px) {
  .intro-container {
    padding: 2.5rem 6%;
  }
  
  .intro-header {
    align-items: flex-start;
  }
  
  .intro-header-tag {
    display: none;
  }
  
  .btn-intro-action {
    padding: 1.2rem 2.2rem;
    width: 100%;
    max-width: 320px;
    text-align: center;
  }

  .intro-center-block {
    gap: 2.5rem;
  }

  .intro-coords {
    font-size: 1.15rem;
    letter-spacing: -0.02em;
  }

  .intro-season-time {
    font-size: 1.50rem;
    letter-spacing: -0.03em;
  }
}

/* ─── ESTILOS DE FORMULARIO MINIMALISTA (CLARO Y PURE) ─── */
.minimal-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.minimal-form .form-group {
  position: relative;
}

.minimal-form input,
.minimal-form textarea {
  width: 100% !important;
  background: none !important;
  border: none !important;
  border-bottom: 1px solid var(--bg-grid-line) !important;
  padding: 0.6rem 0 !important;
  color: var(--text-primary) !important;
  outline: none !important;
  font-size: 0.9rem !important;
  font-family: var(--font-sans) !important;
  transition: border-color var(--transition-fast) !important;
}

.minimal-form input::placeholder,
.minimal-form textarea::placeholder {
  color: var(--text-muted) !important;
}

.minimal-form input:focus,
.minimal-form textarea:focus {
  border-bottom-color: var(--accent-carmine) !important;
}

/* Carga de archivo técnico */
.file-upload-group {
  border: 1px dashed var(--bg-grid-line) !important;
  background-color: #faf9f6 !important;
  padding: 1.5rem !important;
  text-align: center !important;
  transition: border-color var(--transition-fast) !important;
}

.file-upload-group:hover {
  border-color: var(--accent-carmine) !important;
}

.file-upload-group span,
#exp-upload-trigger-text {
  color: var(--text-secondary) !important;
}

.btn-submit {
  background-color: var(--text-primary) !important;
  color: var(--bg-color) !important;
  border: none !important;
  padding: 1.2rem !important;
  font-family: var(--font-sans) !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
  cursor: pointer !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  width: 100% !important;
  transition: background-color var(--transition-fast), transform var(--transition-fast) !important;
}

.btn-submit:hover {
  background-color: var(--accent-carmine) !important;
  color: #fff !important;
}

.btn-submit:active {
  transform: scale(0.98) !important;
}

#private-toast {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06) !important;
}

/* ─── CINTA DE CATEGORÍA (BANNER SEPARADOR DE GRILLA) ─── */
.cell-category-ribbon {
  grid-column: 1 / -1; /* Spans the full width of the grid */
  background-color: #f2efea !important; /* Soft warm pastel beige/sand */
  color: var(--text-primary) !important; /* Dark charcoal text */
  padding: 0.55rem 2.2rem !important; /* Thinner vertical padding */
  min-height: auto !important; /* Overrides the 380px min-height of base cells */
  display: flex;
  justify-content: flex-end; /* Aligns categories to the right of the bar */
  align-items: center;
  font-family: var(--font-mono); /* Technical monospace font */
  font-weight: 600;
  font-size: 0.65rem; /* Smaller technical text size */
  letter-spacing: 0.15em; /* Elegantly spaced out */
  text-transform: uppercase;
  border-bottom: 1px solid var(--bg-grid-line);
}