:root {
  --bg: #0e0d0c;
  --bg-elevated: #161513;
  --ink: #f4efe5;
  --ink-soft: #cfc8b9;
  --ink-muted: #a59f91;
  --ink-faint: #6b6558;
  --accent-sangre: #d8463a;
  --accent-cielo: #9fb1c8;
  --accent-humo: #c8b48f;
  --accent-insomnio: #8b7fae;
  --line: rgba(244, 239, 229, 0.08);
  --line-strong: rgba(244, 239, 229, 0.2);
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter Tight', -apple-system, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
}

::selection { background: var(--accent-sangre); color: var(--ink); }

header.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  background: linear-gradient(to bottom, var(--bg) 60%, transparent);
  pointer-events: none;
}

header.site-header .brand,
header.site-header nav {
  pointer-events: auto;
}

.brand {
  font-family: var(--sans);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  cursor: pointer;
}
.brand:hover { color: var(--ink); }

nav.main-nav {
  display: flex;
  gap: 2.2rem;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
}
nav.main-nav a {
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.3s;
  cursor: pointer;
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--ink); }

.view { display: none; min-height: 100vh; }
.view.active { display: block; }

#view-home {
  padding: 7rem 3rem 5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.intro {
  margin-bottom: 4rem;
  max-width: 780px;
}

.intro h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 5.2vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.intro h1 em {
  font-style: italic;
  color: var(--ink-soft);
}

.intro p {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 560px;
  line-height: 1.7;
}

.grafo-section { margin-bottom: 5rem; }

.grafo-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.grafo-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
}

.grafo-hint {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-style: italic;
}

.grafo-wrap {
  position: relative;
  width: 100%;
  background: radial-gradient(ellipse at center, rgba(244, 239, 229, 0.015) 0%, transparent 70%);
}

#grafo { width: 100%; height: auto; display: block; }

.nodo { cursor: pointer; transition: r 0.25s, opacity 0.25s; }
.nodo:hover { opacity: 0.7; }

.nodo-label {
  font-family: var(--serif);
  font-size: 14px;
  font-style: italic;
  pointer-events: none;
  transition: opacity 0.3s;
}
.nodo-label.faint { opacity: 0.6; }

.conexion {
  stroke: var(--line-strong);
  stroke-width: 0.6;
  fill: none;
}

.const-aura { opacity: 0.05; }

.const-name {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.constelaciones-lista h2 {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 2rem;
  font-weight: 500;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
}

.constelaciones-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.constelacion-item {
  padding: 2.5rem 2rem 2.5rem 0;
  cursor: pointer;
  transition: padding-left 0.4s;
  border-right: 1px solid var(--line);
}
.constelacion-item:last-child { border-right: none; }
.constelacion-item:not(:first-child) { padding-left: 2rem; }
.constelacion-item:hover { background: rgba(244, 239, 229, 0.02); }

.constelacion-item .num {
  font-family: var(--sans);
  font-size: 0.74rem;
  color: var(--ink-faint);
  letter-spacing: 0.16em;
  font-weight: 400;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.constelacion-item h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 2.6rem;
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.constelacion-item.sangre h3 { color: var(--accent-sangre); }
.constelacion-item.cielo h3 { color: var(--accent-cielo); }
.constelacion-item.humo h3 { color: var(--accent-humo); }
.constelacion-item.insomnio h3 { color: var(--accent-insomnio); }

.constelacion-item .descripcion {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.constelacion-item .count {
  font-family: var(--sans);
  font-size: 0.72rem;
  color: var(--ink-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

#view-constelacion {
  padding: 7rem 3rem 5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.const-header {
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

.const-back, .texto-back {
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  text-decoration: none;
  cursor: pointer;
  margin-bottom: 2.5rem;
  display: inline-block;
  transition: color 0.3s;
  font-weight: 500;
}
.const-back:hover, .texto-back:hover { color: var(--ink); }

.const-header h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3rem, 7vw, 5.4rem);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

#view-constelacion[data-current="sangre"] .const-header h1 { color: var(--accent-sangre); }
#view-constelacion[data-current="cielo"] .const-header h1 { color: var(--accent-cielo); }
#view-constelacion[data-current="humo"] .const-header h1 { color: var(--accent-humo); }
#view-constelacion[data-current="insomnio"] .const-header h1 { color: var(--accent-insomnio); }

.const-header .descripcion {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.25rem;
  max-width: 620px;
}

.textos-grid { display: grid; gap: 0; }

.texto-card {
  display: block;
  padding: 2.6rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: padding-left 0.4s;
}
.texto-card:hover { padding-left: 1.5rem; }

.texto-card .meta {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.7rem;
  font-weight: 400;
}

.texto-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 2.1rem;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
}

.texto-card .preview {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.5;
  max-width: 620px;
}

#view-texto {
  padding: 7rem 3rem 6rem;
  max-width: 720px;
  margin: 0 auto;
}

.texto-header {
  margin-bottom: 4rem;
  text-align: center;
}

.texto-header .const-tag {
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

#view-texto[data-current="sangre"] .const-tag { color: var(--accent-sangre); }
#view-texto[data-current="cielo"] .const-tag { color: var(--accent-cielo); }
#view-texto[data-current="humo"] .const-tag { color: var(--accent-humo); }

.texto-header h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--ink);
}

.texto-header .fecha {
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.texto-body {
  font-family: var(--serif);
  font-size: 1.22rem;
  line-height: 1.75;
  color: var(--ink);
  text-align: left;
}

.texto-body p {
  margin-bottom: 0;
  text-indent: 2em;
}

.texto-body p.first-para,
.texto-body > p:first-child {
  text-indent: 0;
}

.texto-body .ornament {
  text-align: center;
  margin: 2.2rem 0;
  color: var(--ink-faint);
  font-size: 1rem;
  letter-spacing: 0.5em;
}

.texto-footer {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.texto-footer .firma {
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
}

#view-about {
  padding: 7rem 3rem 6rem;
  max-width: 720px;
  margin: 0 auto;
}

.about-wrap .about-epigrafe {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--ink-muted);
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.01em;
}

.about-wrap h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1;
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
}

.about-wrap p {
  font-size: 1.18rem;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.about-wrap p.about-contacto {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.about-wrap a {
  color: var(--ink);
  border-bottom: 1px solid var(--accent-sangre);
  text-decoration: none;
  transition: color 0.3s;
  padding-bottom: 2px;
}
.about-wrap a:hover { color: var(--accent-sangre); }

@media (max-width: 880px) {
  header.site-header { padding: 1.2rem 1.5rem; }
  .brand { font-size: 0.74rem; }
  nav.main-nav { gap: 1.2rem; font-size: 0.72rem; }
  #view-home, #view-constelacion, #view-texto, #view-about { padding: 6rem 1.5rem 3rem; }
  .constelaciones-grid { grid-template-columns: 1fr; }
  .constelacion-item {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 2rem 0 !important;
  }
  .constelacion-item:last-child { border-bottom: none; }
  .constelacion-item h3 { font-size: 2.2rem; }
  .texto-body { font-size: 1.1rem; }
  .nodo-label { font-size: 11px; }
}

@media (max-width: 600px) {
  header.site-header {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
  nav.main-nav { gap: 0.9rem; font-size: 0.66rem; }
}