/* ==========================================================================
   LECABESÓN — ESTILO EDITORIAL PURO, FONDO BLANCO CONTINUO Y TIPOGRAFÍA SERIF
   ========================================================================== */

:root {
  --color-bg: #FFFFFF;
  --color-text-main: #111827;
  --color-text-muted: #4B5563;
  --color-text-subtle: #9CA3AF;
  --color-border: #E5E7EB;
  --color-border-subtle: #F3F4F6;
  --color-accent: #0A0A0A;
  --font-serif: "Iowan Old Style", "Apple Garamond", "Baskerville", "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  background-color: #FFFFFF;
}

body {
  width: 100%;
  min-height: 100%;
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   CANVAS DE CIELO EXCLUSIVO DEL HERO (PARTE SUPERIOR)
   -------------------------------------------------------------------------- */
#skyCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 12;
  pointer-events: none;
  background: transparent;
}

/* --------------------------------------------------------------------------
   CABECERA FIJA SUPERIOR
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 18px 40px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.7);
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}

.site-header.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  text-decoration: none;
  color: var(--color-accent);
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.header-nav {
  display: flex;
  gap: 32px;
}

.nav-link {
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 15px;
  font-style: italic;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   SECCIÓN HERO (PORTADA CON FIRMA MANUSCRITA ORIGINAL)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  z-index: 10;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  overflow: hidden; /* Confinar los vencejos estrictamente al cielo superior del Hero */
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px;
  max-width: 720px;
  width: 100%;
}

.signature-wrapper {
  position: relative;
  width: 100%;
  max-width: 580px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.signature-canvas {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.03));
}

/* Barra de acciones de la firma (Repetir vuelo) */
.signature-actions-row {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

.signature-actions-row.visible {
  opacity: 1;
  pointer-events: auto;
}

.signature-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid rgba(203, 213, 225, 0.5);
  border-radius: 9999px;
  padding: 5px 14px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13.5px;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.25s ease;
}

.signature-action-btn:hover {
  color: var(--color-accent);
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(148, 163, 184, 0.8);
  transform: translateY(-1px);
}


/* Subtítulo idéntico a la imagen querida por el usuario */
.hero-subtitle {
  font-family: var(--font-serif);
  font-size: 19px;
  font-style: italic;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-top: 16px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-subtitle.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Guía de desplazamiento sutil */
.scroll-down-hint {
  position: absolute;
  bottom: 38px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--color-text-subtle);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 0.8s ease, color 0.2s ease;
}

.scroll-down-hint.visible {
  opacity: 0.85;
}

.scroll-down-hint:hover {
  color: var(--color-accent);
  opacity: 1;
}

.scroll-arrow-line {
  animation: floatArrow 2.4s infinite ease-in-out;
}

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

/* --------------------------------------------------------------------------
   CONTENIDO PRINCIPAL: ESTUDIO Y GALERÍA (FONDO BLANCO PURO SIN VENCEJOS)
   -------------------------------------------------------------------------- */
.main-content {
  position: relative;
  z-index: 20;
  background: #FFFFFF;
  width: 100%;
}

/* Rótulos de sección en elegante tipografía serif (sustituyen a las píldoras) */
.section-label-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15.5px;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

/* --------------------------------------------------------------------------
   MANIFIESTO
   -------------------------------------------------------------------------- */
.manifesto-section {
  padding: 140px 28px 100px;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.manifesto-quote {
  font-family: var(--font-serif);
  font-size: 28px;
  line-height: 1.5;
  color: #1F2937;
  font-weight: 400;
  margin: 24px 0 28px;
  letter-spacing: -0.01em;
}

.manifesto-author {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14.5px;
  letter-spacing: 0.05em;
  color: var(--color-text-subtle);
}

/* --------------------------------------------------------------------------
   GALERÍA DE OBRAS (LIENZOS SUSPENDIDOS SOBRE BLANCO)
   -------------------------------------------------------------------------- */
.gallery-section {
  max-width: 1320px;
  margin: 0 auto;
  padding: 40px 32px 140px;
}

.gallery-header {
  margin-bottom: 60px;
  max-width: 720px;
}

.gallery-title {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  margin-top: 4px;
}

.gallery-intro {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-top: 14px;
}

.artworks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 64px 48px;
}

@media (max-width: 900px) {
  .artworks-grid {
    grid-template-columns: 1fr;
    gap: 52px;
  }
}

.artwork-card {
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.artwork-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.artwork-image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #FAFAFA;
  overflow: hidden;
}

.artwork-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.artwork-card:hover .artwork-img {
  transform: scale(1.03);
}

.artwork-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.artwork-card:hover .artwork-overlay {
  opacity: 1;
}

.view-artwork-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #0A0A0A;
  color: #FFFFFF;
  border: none;
  padding: 11px 22px;
  border-radius: 9999px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, background 0.2s ease;
}

.view-artwork-btn:hover {
  background: #262626;
  transform: scale(1.03);
}

.artwork-info {
  padding: 26px 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.artwork-year {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-subtle);
}

/* Estado de la obra en elegante serif cursiva */
.artwork-status-serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13.5px;
  color: #059669;
  letter-spacing: 0.02em;
}

.artwork-status-serif.muted {
  color: var(--color-text-subtle);
}

.artwork-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: -0.01em;
}

.artwork-technique {
  font-size: 13px;
  color: var(--color-text-muted);
  font-style: italic;
}

.artwork-excerpt {
  font-size: 14px;
  line-height: 1.6;
  color: #374151;
  margin-top: 6px;
}

/* --------------------------------------------------------------------------
   SECCIÓN ADQUISICIÓN Y CONTACTO (FONDO BLANCO PURO)
   -------------------------------------------------------------------------- */
.contact-section {
  position: relative;
  background: transparent;
  color: var(--color-accent);
  padding: 120px 28px 100px;
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  position: relative;
  z-index: 3;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.contact-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--color-accent);
}

.contact-desc {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 36px;
}

/* Botón estilo galería de arte */
.btn-clean-serif {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #0A0A0A;
  color: #FFFFFF;
  padding: 14px 34px;
  border-radius: 9999px;
  text-decoration: none;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  transition: all 0.25s ease;
  border: 1px solid #0A0A0A;
  cursor: pointer;
}

.btn-clean-serif:hover {
  background: #262626;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.btn-full {
  width: 100%;
}

/* --------------------------------------------------------------------------
   PIE DE PÁGINA Y ESTRATO DE TIERRA (RAÍCES DE ÁRBOL)
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  background: transparent;
  color: var(--color-text-subtle);
  padding: 44px 32px 56px;
  border-top: 1px solid var(--color-border-subtle);
  overflow: visible; /* Permite que las raíces se eleven de forma natural hacia la zona de adquisición */
}

/* Lienzo orgánico de raíces de árbol fijado a la base del documento */
.roots-canvas {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 360px;
  pointer-events: none;
  z-index: 1;
}

.footer-container {
  position: relative;
  z-index: 3;
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13.5px;
}

/* --------------------------------------------------------------------------
   MODAL DE DETALLE DE OBRA (DIMENSIONES FIJAS Y ESTABILIDAD VISUAL)
   -------------------------------------------------------------------------- */
.artwork-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s;
}

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

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.modal-window {
  position: relative;
  z-index: 10;
  width: 960px;
  max-width: 92vw;
  height: 82vh;
  min-height: 540px;
  background: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--color-accent);
}

.modal-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 2px;
}

.close-modal-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-subtle);
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease;
}

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

.modal-body {
  flex: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  overflow: hidden;
  min-height: 0;
}

@media (max-width: 820px) {
  .modal-body {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
}

.modal-image-col {
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: hidden;
}

.modal-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.modal-info-col {
  padding: 34px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #FFFFFF;
  overflow-y: auto;
}

.modal-subheading {
  font-family: var(--font-serif);
  font-size: 15px;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.modal-description {
  font-size: 15px;
  line-height: 1.7;
  color: #334155;
}

.modal-actions-block {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border-subtle);
}

/* --------------------------------------------------------------------------
   PANEL FLOTANTE DE CONTROL DE VENCEJOS
   -------------------------------------------------------------------------- */
.controls-panel {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-size: 13px;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.controls-panel.scrolled-out {
  opacity: 0;
  pointer-events: none !important;
  transform: translateY(14px);
}

.controls-panel > * {
  pointer-events: auto;
}

.toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(203, 213, 225, 0.85);
  border-radius: 9999px;
  padding: 7px 14px;
  color: var(--color-accent);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
  transition: var(--transition-smooth);
}

.toggle-btn:hover {
  background: #FFFFFF;
  border-color: #94A3B8;
  transform: translateY(-2px);
}

.panel-content {
  width: 260px;
  margin-bottom: 12px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.25s;
}

.controls-panel.collapsed .panel-content {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.96);
  pointer-events: none;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #F1F5F9;
  padding-bottom: 8px;
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-accent);
}

.species-badge {
  font-size: 11px;
  font-style: italic;
  color: #64748B;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--color-text-muted);
}

.value-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #0284C7;
  font-weight: 600;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 9999px;
  background: #E2E8F0;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #0A0A0A;
  cursor: pointer;
  border: 2px solid #FFFFFF;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  transition: transform 0.1s ease;
}

.action-buttons-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 4px;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 6px 8px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 12px;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
}

.action-btn:hover {
  background: #F1F5F9;
  color: #0A0A0A;
}