@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&family=Nunito+Sans:wght@400;600;700&display=swap');

:root {
  --bs-body-font-family: "Nunito Sans", "Segoe UI", Arial, sans-serif;
  --bs-font-sans-serif: "Nunito Sans", "Segoe UI", Arial, sans-serif;
  --accent-magenta: #ff4fa3;
  --accent-magenta-soft: #d63384;
  --accent-violet: #8b5cf6;
  --accent-cyan: #7fd7ff;
  --panel-dark: rgba(18, 18, 22, 0.96);
  --panel-dark-2: rgba(28, 18, 30, 0.96);
  --border-soft: rgba(255, 79, 163, 0.22);
}

body {
  background:
    radial-gradient(circle at top left, rgba(255, 79, 163, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(139, 92, 246, 0.12), transparent 24%),
    linear-gradient(180deg, #060606 0%, #0c0710 48%, #090909 100%);
  color: #f5f5f5;
  font-family: "Nunito Sans", "Segoe UI", Arial, sans-serif !important;
  font-size: 18px;
  line-height: 1.72;
}

/* Widen overall site layout */
#quarto-content,
.quarto-container,
.page-columns {
  max-width: 1600px !important;
  margin: 0 auto;
}

#quarto-content {
  padding-left: 1.8rem;
  padding-right: 1.8rem;
}

main.content,
#quarto-document-content,
.content,
.column-page,
.column-body {
  max-width: 1240px !important;
}

.page-columns {
  column-gap: 2.3rem;
}

/* Main titles */
h1 {
  display: inline-block;
  color: #ffffff;
  font-family: "Montserrat", "Nunito Sans", Arial, sans-serif !important;
  font-weight: 800;
  font-size: 3.65rem;
  line-height: 1.06;
  letter-spacing: 0.2px;
  margin-top: 0.5rem;
  margin-bottom: 1.3rem;
  padding: 0.24rem 0.85rem 0.34rem 0.85rem;
  background: linear-gradient(90deg, rgba(255, 79, 163, 0.88), rgba(255, 79, 163, 0.28));
  border-radius: 18px;
  box-shadow: 0 0 18px rgba(255, 79, 163, 0.22);
  text-shadow: none;
}

h2 {
  color: #ffffff;
  font-family: "Montserrat", "Nunito Sans", Arial, sans-serif !important;
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1.18;
  letter-spacing: 0.1px;
  margin-top: 2.6rem;
  margin-bottom: 1.1rem;
  padding: 0.8rem 1.05rem;
  background: linear-gradient(90deg, rgba(214, 51, 132, 0.55), rgba(214, 51, 132, 0.10));
  border-left: 5px solid var(--accent-magenta);
  border-radius: 10px;
  box-shadow: 0 0 18px rgba(255, 79, 163, 0.10);
}

h3 {
  color: #ffffff;
  font-family: "Montserrat", "Nunito Sans", Arial, sans-serif !important;
  font-weight: 700;
  font-size: 1.62rem;
  line-height: 1.28;
  margin-top: 1.3rem;
  margin-bottom: 0.85rem;
}

h4, h5, h6 {
  color: #ffffff;
  font-family: "Montserrat", "Nunito Sans", Arial, sans-serif !important;
  font-weight: 700;
}

p, li {
  color: #ececec;
  font-size: 1.07rem;
  font-family: "Nunito Sans", "Segoe UI", Arial, sans-serif !important;
}

a {
  color: var(--accent-cyan);
}

a:hover {
  color: #ffffff;
}

/* Navbar */
.navbar {
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.98), rgba(18, 8, 20, 0.98)) !important;
  border-bottom: 1px solid rgba(255, 79, 163, 0.14);
  font-family: "Nunito Sans", "Segoe UI", Arial, sans-serif !important;
}

.navbar .navbar-brand,
.navbar .nav-link {
  color: #ffffff !important;
  font-family: "Nunito Sans", "Segoe UI", Arial, sans-serif !important;
}

.navbar .nav-link:hover,
.navbar .navbar-brand:hover {
  color: var(--accent-magenta) !important;
}

.sidebar,
.toc-active,
.sidebar .toc-title,
#quarto-margin-sidebar,
#quarto-margin-sidebar * {
  font-family: "Nunito Sans", "Segoe UI", Arial, sans-serif !important;
  color: #ffffff;
}

code {
  color: #9be7ff;
  background-color: #111;
  padding: 0.12rem 0.35rem;
  border-radius: 6px;
  font-size: 0.95em;
}

/* ===== TOP RIGHT-SIDE BANNER ===== */
.catalog-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.6rem;
  align-items: center;
  background: linear-gradient(135deg, rgba(24, 14, 26, 0.96), rgba(10, 10, 14, 0.96));
  border: 1px solid rgba(255, 79, 163, 0.28);
  border-left: 6px solid var(--accent-magenta);
  border-radius: 18px;
  padding: 1.35rem 1.4rem;
  margin: 1rem 0 2.2rem 0;
  box-shadow:
    0 14px 28px rgba(0, 0, 0, 0.22),
    0 0 28px rgba(255, 79, 163, 0.07);
}

.catalog-hero-text {
  min-width: 0;
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 0.85rem;
  padding: 0.32rem 0.72rem;
  border-radius: 999px;
  background: rgba(255, 79, 163, 0.12);
  border: 1px solid rgba(255, 79, 163, 0.24);
  color: #ffd7ea;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.catalog-hero-text p {
  font-size: 1.08rem;
  margin-bottom: 0.9rem;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0 1.1rem 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.78rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 79, 163, 0.18);
  color: #f7dceb;
  font-size: 0.94rem;
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1rem;
}

.hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.78rem 1.1rem;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease,
    color 0.18s ease;
}

.hero-button:hover {
  transform: translateY(-2px);
  color: #ffffff;
}

.hero-button-primary {
  background: linear-gradient(90deg, var(--accent-magenta), #ff78b8);
  color: #ffffff !important;
  box-shadow: 0 10px 22px rgba(255, 79, 163, 0.22);
}

.hero-button-primary:hover {
  box-shadow: 0 14px 28px rgba(255, 79, 163, 0.30);
}

.hero-button-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 79, 163, 0.24);
  color: #ffe6f2 !important;
}

.hero-button-secondary:hover {
  background: rgba(255, 79, 163, 0.10);
}

.catalog-hero-image {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.55rem;
}

.catalog-hero-photo {
  width: 100%;
  max-width: 390px;
  height: auto;
  display: block;
  border-radius: 16px;
  border: 1px solid rgba(255, 79, 163, 0.24);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.26),
    0 0 20px rgba(255, 79, 163, 0.10);
  object-fit: cover;
}

/* Generic content boxes */
.section-box {
  background: linear-gradient(180deg, rgba(24, 18, 28, 0.96), rgba(14, 14, 18, 0.96));
  border: 1px solid var(--border-soft);
  border-left: 6px solid var(--accent-magenta-soft);
  border-radius: 14px;
  padding: 1.15rem 1.2rem;
  margin: 1.3rem 0;
  box-shadow: 0 10px 24px rgba(214, 51, 132, 0.08);
}

/* Optional box for comparative summary section */
.catalog-summary-box {
  background: linear-gradient(180deg, rgba(24, 18, 28, 0.96), rgba(14, 14, 18, 0.96));
  border: 1px solid var(--border-soft);
  border-left: 6px solid var(--accent-magenta-soft);
  border-radius: 14px;
  padding: 1.15rem 1.2rem;
  margin: 1.3rem 0 2rem 0;
  box-shadow: 0 10px 24px rgba(214, 51, 132, 0.08);
}

/* Gallery and diagram boxes */
.disk-gallery,
.substructure-gallery,
.process-diagram {
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 79, 163, 0.32);
  border-radius: 14px;
  padding: 1.25rem;
  margin: 1.25rem 0 1.8rem 0;
  color: #dcdcdc;
}

/* Trace gallery */
.tracer-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
  margin: 1.6rem 0 2rem 0;
  align-items: start;
}

.tracer-card {
  background: linear-gradient(180deg, rgba(28, 20, 30, 0.97), rgba(14, 14, 16, 0.97));
  border: 1px solid rgba(255, 79, 163, 0.18);
  border-radius: 16px;
  padding: 1rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  height: 100%;
}

.tracer-card h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  font-size: 1.35rem;
}

.tracer-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  margin-bottom: 0.8rem;
}

.tracer-card p {
  font-size: 1rem;
  line-height: 1.6;
}

/* Ensure images inside galleries are visible and centered */
.disk-gallery img,
.substructure-gallery img,
.process-diagram img,
.quarto-figure img,
figure img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 10px;
}

/* Disk grid for Available disks */
.disk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 26px;
  margin: 1.5rem 0 2rem 0;
  align-items: stretch;
}

/* Disk card */
.disk-card {
  background: linear-gradient(180deg, rgba(28, 20, 30, 0.97), rgba(14, 14, 16, 0.97));
  border: 1px solid rgba(255, 79, 163, 0.18);
  border-radius: 16px;
  padding: 1.05rem;
  margin: 0;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.disk-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(214, 51, 132, 0.16);
}

.disk-card img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  margin-bottom: 0.85rem;
}

.disk-card h3 {
  margin-top: 0.9rem;
  margin-bottom: 0.55rem;
}

.disk-card p {
  margin-bottom: 0.85rem;
}

.disk-card p em {
  display: block;
  font-size: 0.95rem;
  line-height: 1.5;
  color: #d6d6d6;
  margin-top: 0.1rem;
  margin-bottom: 1rem;
}

/* Activity cards for index */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 24px;
  margin: 1.35rem 0 2rem 0;
}

.activity-card {
  background: linear-gradient(180deg, rgba(28, 18, 30, 0.96), rgba(14, 14, 18, 0.96));
  border: 1px solid rgba(255, 79, 163, 0.22);
  border-left: 5px solid var(--accent-magenta);
  border-radius: 15px;
  padding: 1.2rem 1.2rem;
  box-shadow: 0 10px 24px rgba(214, 51, 132, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.activity-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(214, 51, 132, 0.16);
}

.activity-card h3 {
  margin-top: 0.1rem;
  margin-bottom: 0.85rem;
  color: #ffffff;
  font-size: 1.45rem;
}

.activity-card p {
  font-size: 1.03rem;
  line-height: 1.65;
}

.disk-link {
  display: inline-block;
  margin-top: auto;
  padding-top: 0.45rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--accent-cyan);
}

.disk-link:hover {
  color: #ffffff;
}

/* Blockquotes for textual citations */
blockquote {
  background: linear-gradient(90deg, rgba(214, 51, 132, 0.16), rgba(214, 51, 132, 0.05));
  border-left: 5px solid var(--accent-magenta);
  border-radius: 10px;
  margin: 1rem 0 1.3rem 0;
  padding: 0.95rem 1rem;
  color: #f0f0f0;
}

blockquote p {
  color: #f0f0f0;
  margin-bottom: 0;
}

/* Figure captions */
.quarto-figure figcaption,
.figure-caption,
figcaption {
  color: #d8d8d8 !important;
  font-style: italic;
  font-size: 0.99rem;
  margin-top: 0.6rem;
  line-height: 1.5;
}

/* Keep figures centered and neat */
.quarto-figure,
figure {
  text-align: center;
  margin-top: 1.2rem;
  margin-bottom: 1.5rem;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

#quarto-document-content table,
main.content table,
.content table,
table {
  width: 100% !important;
  min-width: 100% !important;
  border-collapse: collapse;
  table-layout: fixed;
  margin: 1.3rem 0 1.8rem 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
  display: table !important;
  white-space: normal;
  font-family: "Nunito Sans", "Segoe UI", Arial, sans-serif !important;
}

thead th,
tbody td {
  padding: 0.9rem 1rem;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
  line-height: 1.58;
}

thead th {
  background-color: #b33d72 !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 122, 184, 0.55) !important;
  font-weight: 700;
}

tbody td {
  background-color: #6e2347 !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 122, 184, 0.32) !important;
}

tbody tr:nth-child(even) td {
  background-color: #812a54 !important;
}

tbody tr:hover td {
  background-color: #96315f !important;
  transition: background-color 0.2s ease;
}

/* 4-column tables */
thead tr > th:first-child:nth-last-child(4),
tbody tr > td:first-child:nth-last-child(4) {
  width: 18%;
}

thead tr > th:nth-child(2):nth-last-child(3),
tbody tr > td:nth-child(2):nth-last-child(3) {
  width: 16%;
}

thead tr > th:nth-child(3):nth-last-child(2),
tbody tr > td:nth-child(3):nth-last-child(2) {
  width: 44%;
}

thead tr > th:nth-child(4):last-child,
tbody tr > td:nth-child(4):last-child {
  width: 22%;
}

/* 3-column tables */
thead tr > th:first-child:nth-last-child(3),
tbody tr > td:first-child:nth-last-child(3) {
  width: 24%;
}

thead tr > th:nth-child(2):nth-last-child(2),
tbody tr > td:nth-child(2):nth-last-child(2) {
  width: 34%;
}

thead tr > th:nth-child(3):last-child,
tbody tr > td:nth-child(3):last-child {
  width: 42%;
}

/* Quarto / bootstrap table overrides */
.table {
  width: 100% !important;
  color: #ffffff !important;
  --bs-table-color: #ffffff;
  --bs-table-bg: #6e2347;
  --bs-table-border-color: rgba(255, 122, 184, 0.32);
  --bs-table-striped-bg: #812a54;
  --bs-table-striped-color: #ffffff;
  --bs-table-hover-bg: #96315f;
  --bs-table-hover-color: #ffffff;
}

.table th {
  background-color: #b33d72 !important;
  color: #ffffff !important;
}

.table td {
  color: #ffffff !important;
}

/* Improve included markdown summary table spacing */
table p,
table li,
table code {
  font-size: 0.98rem;
}

/* References / bibliography */
#refs,
.references {
  background: transparent !important;
  color: #ffffff !important;
  padding: 0 !important;
  border: none !important;
  box-shadow: none !important;
}

.csl-entry {
  background: transparent !important;
  color: #e8e8e8 !important;
  margin-bottom: 1rem;
  line-height: 1.65;
}

.csl-entry a,
#refs a,
.references a {
  color: var(--accent-cyan) !important;
}

.csl-entry i,
.csl-entry em {
  color: #dcdcdc !important;
}

/* Remove possible white bibliography blocks */
div#refs,
div.references,
#refs p,
.references p {
  background: transparent !important;
  color: #e8e8e8 !important;
}

/* Horizontal rules and section separators */
hr {
  border: 0;
  border-top: 1px solid rgba(255, 79, 163, 0.16);
  margin: 2rem 0;
}

/* Sidebar TOC: "On this page" */
.sidebar nav[role="doc-toc"] {
  border-left: 2px solid var(--accent-magenta);
  padding-left: 0.8rem;
}

.sidebar nav[role="doc-toc"] a {
  color: #ffd3e8;
  font-weight: 500;
  transition: color 0.2s ease;
}

.sidebar nav[role="doc-toc"] a:hover {
  color: #ffffff;
}

.sidebar nav[role="doc-toc"] .active {
  color: var(--accent-magenta) !important;
  font-weight: 700;
}

/* TOC title */
.sidebar .toc-title,
#quarto-margin-sidebar .toc-title {
  color: #ffd3e8;
  font-weight: 700;
  background: linear-gradient(90deg, rgba(214, 51, 132, 0.35), rgba(214, 51, 132, 0.08));
  border-radius: 8px;
  padding: 0.1rem 0.5rem;
  display: inline-block;
}

/* Slightly cleaner sidebar spacing */
#quarto-margin-sidebar .sidebar nav[role="doc-toc"] ul,
.sidebar nav[role="doc-toc"] ul {
  line-height: 1.45;
}

/* Lightbox / zoomed image appearance */
.glightbox-clean .gslide-description,
.glightbox-clean .gdesc-inner {
  color: #f5f5f5 !important;
  background: #111 !important;
}

.glightbox-clean .gclose,
.glightbox-clean .gnext,
.glightbox-clean .gprev {
  color: #ffffff !important;
}

/* Responsive adjustments */
@media (max-width: 1100px) {
  #quarto-content {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  main.content,
  #quarto-document-content,
  .content,
  .column-page,
  .column-body {
    max-width: 100% !important;
  }

  .catalog-hero {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .catalog-hero-photo {
    max-width: 360px;
  }

  .hero-actions {
    gap: 0.7rem;
  }

  .hero-button {
    width: 100%;
  }

  .tracer-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .disk-grid,
  .activity-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .disk-card,
  .activity-card,
  .tracer-card {
    padding: 0.95rem;
  }

  h1 {
    font-size: 2.7rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.35rem;
  }

  .catalog-hero {
    padding: 1.1rem 1rem;
    border-radius: 16px;
  }

  .hero-kicker {
    font-size: 0.8rem;
  }

  .hero-badge {
    font-size: 0.88rem;
  }

  .catalog-hero-photo {
    max-width: 100%;
  }

  table {
    font-size: 0.94rem;
    table-layout: auto;
  }

  thead th,
  tbody td {
    padding: 0.72rem;
  }
}

#how-to-use-catalog {
  color: #ffffff;
}

.catalog-use-box {
  margin: 1.25rem 0 2rem 0;
  padding: 1.35rem 1.5rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 79, 163, 0.30);
  border-left: 6px solid #ff4fc3;
  background: linear-gradient(135deg, rgba(255, 0, 150, 0.13), rgba(139, 92, 246, 0.10));
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.18),
    0 0 22px rgba(255, 79, 195, 0.12);
}

.catalog-use-box p {
  color: #ffd6f2 !important;
  font-size: 1.07rem;
  line-height: 1.9;
  margin-bottom: 1rem;
}

.catalog-use-box strong {
  color: #ffffff !important;
}

.catalog-use-box em {
  color: #ffb3ec !important;
}

.catalog-hero-image {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.65rem;
}

.hero-image-caption {
  max-width: 390px;
  text-align: center;
  opacity: 0.95;
}

.hero-image-caption p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.45;
  color: #d8bdd0 !important;
}

.hero-image-caption em {
  color: #f3d6e7 !important;
}

.hero-image-caption strong {
  color: #ffd7ea !important;
}

.hero-image-caption {
  max-width: 390px;
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.35;
  color: #d7c3cf;
  opacity: 0.92;
}

.hero-image-caption p {
  margin: 0;
  color: #d7c3cf !important;
  font-size: 0.78rem !important;
  line-height: 1.35;
}

.hero-image-caption em {
  color: #ead9e3 !important;
}

.hero-image-credit {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.72rem;
  color: #cdb4c0;
  font-style: normal;
}

.substructure-intro {
  margin: 1rem 0 1.4rem 0;
  padding: 1.2rem 1.35rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 79, 163, 0.16), rgba(139, 92, 246, 0.10));
  border: 1px solid rgba(255, 79, 163, 0.30);
  border-left: 6px solid #ff4fc3;
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.16),
    0 0 18px rgba(255, 79, 163, 0.10);
}

.substructure-intro p {
  margin: 0;
  color: #ffd9f1 !important;
  font-size: 1.02rem;
  line-height: 1.85;
}

.substructure-grid {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin: 1.1rem 0 1.8rem 0;
}

.substructure-card {
  padding: 0;
  border-radius: 18px;
  background: linear-gradient(90deg, rgba(255, 79, 163, 0.92), rgba(255, 79, 163, 0.42));
  border: 1px solid rgba(255, 79, 163, 0.34);
  box-shadow: 0 10px 22px rgba(255, 79, 163, 0.14);
  overflow: hidden;
}

/* Aquí está el arreglo real: aplicar la grilla al bloque interno que genera Quarto */
.substructure-card > * {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: start;
  gap: 1rem;
  padding: 1rem 1.15rem;
}

.substructure-card h4,
.substructure-card h3 {
  margin: 0;
  color: #ffffff !important;
  font-size: 1.15rem;
  line-height: 1.2;
}

.substructure-card p {
  margin: 0;
  color: #fff4fb !important;
  font-size: 0.96rem;
  line-height: 1.65;
}

@media (max-width: 700px) {
  .substructure-card > * {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }
}

.activities-intro {
  margin: 1rem 0 1.1rem 0;
  padding: 1.15rem 1.35rem;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(255, 79, 163, 0.14), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(255, 79, 163, 0.28);
  border-left: 6px solid #ff4fc3;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
}

.activities-intro p {
  margin: 0;
  color: #ffd9f1 !important;
  line-height: 1.85;
  font-size: 1rem;
}

.activity-card {
  margin: 1.3rem 0 2rem 0;
  padding: 1.3rem 1.35rem;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255, 79, 163, 0.10), rgba(255, 79, 163, 0.03));
  border: 1px solid rgba(255, 79, 163, 0.22);
  box-shadow:
    0 14px 28px rgba(0, 0, 0, 0.15),
    0 0 18px rgba(255, 79, 163, 0.08);
}

.activity-card h3 {
  color: #ffffff !important;
  margin-top: 0.5rem;
}

.activity-card p {
  color: #f5dceb !important;
  line-height: 1.8;
}

.activity-subbox {
  margin: 0.9rem 0 1rem 0;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border-left: 5px solid rgba(255, 79, 163, 0.75);
}

.activity-subbox p,
.activity-subbox li {
  color: #f8e8f2 !important;
}

.download-box {
  margin: 1rem 0 1.1rem 0;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  background: linear-gradient(90deg, rgba(255, 79, 163, 0.22), rgba(255, 79, 163, 0.08));
  border: 1px solid rgba(255, 79, 163, 0.28);
}

.download-box p,
.download-box li {
  color: #fff1f8 !important;
}

.download-box a {
  font-weight: 600;
  color: #ffffff !important;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.35);
}

.download-box a:hover {
  color: #ffd6ef !important;
  border-bottom-color: #ffd6ef;
}

#activity-1-actividad-1,
#activity-2-actividad-2 {
  color: #ffffff;
}

.substructure-grid-clean {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin: 1.1rem 0 1.8rem 0;
}

.substructure-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  background: linear-gradient(90deg, rgba(255, 79, 163, 0.92), rgba(255, 79, 163, 0.42));
  border: 1px solid rgba(255, 79, 163, 0.34);
  box-shadow: 0 10px 22px rgba(255, 79, 163, 0.14);
}

.substructure-name {
  color: #ffffff !important;
  font-weight: 800;
  font-size: 1.08rem;
  line-height: 1.2;
}

.substructure-text {
  color: #fff4fb !important;
  font-size: 0.96rem;
  line-height: 1.65;
}

@media (max-width: 700px) {
  .substructure-row {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }
}

/* =====================================================
   MORPHOLOGY ACTIVITY PAGES
   Scoped styles for activity_morphology_en/es.qmd
   ===================================================== */

.morphology-activity {
  max-width: 980px;
  margin: 0 auto;
}

.morphology-activity .activity-hero-block {
  margin: 0.8rem 0 1.8rem 0;
  padding: 1.35rem 1.45rem;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255, 79, 163, 0.16), rgba(139, 92, 246, 0.08)),
    rgba(18, 12, 20, 0.96);
  border: 1px solid rgba(255, 79, 163, 0.32);
  border-left: 6px solid var(--accent-magenta);
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.20),
    0 0 20px rgba(255, 79, 163, 0.10);
}

.morphology-activity .activity-kicker {
  display: inline-block;
  margin-bottom: 0.85rem;
  padding: 0.34rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 79, 163, 0.15);
  border: 1px solid rgba(255, 79, 163, 0.35);
  color: #ffd7ea;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.morphology-activity .activity-hero-block p {
  color: #ffe9f4 !important;
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 0.9rem;
}

.morphology-activity .activity-back-link {
  display: inline-block;
  margin-top: 0.3rem;
  color: var(--accent-cyan) !important;
  font-weight: 800;
  text-decoration: none;
}

.morphology-activity .activity-back-link:hover {
  color: #ffffff !important;
}

.morphology-activity h2 {
  font-size: 1.9rem;
  margin-top: 2.2rem;
  margin-bottom: 1rem;
  padding: 0.68rem 0.95rem;
  border-radius: 14px;
  border-left: 5px solid var(--accent-magenta);
  background: linear-gradient(90deg, rgba(214, 51, 132, 0.62), rgba(214, 51, 132, 0.12));
}

.morphology-activity h3 {
  font-size: 1.35rem;
  margin-top: 0.1rem;
  margin-bottom: 0.7rem;
}

.morphology-activity p,
.morphology-activity li {
  font-size: 1rem;
  line-height: 1.7;
}

.activity-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.2rem 0;
}

.activity-info-card,
.activity-download-panel,
.activity-step-card,
.activity-result-card {
  border-radius: 18px;
  border: 1px solid rgba(255, 79, 163, 0.24);
  background: linear-gradient(180deg, rgba(28, 18, 30, 0.96), rgba(13, 11, 16, 0.96));
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.16),
    0 0 16px rgba(255, 79, 163, 0.06);
}

.activity-info-card {
  padding: 1.05rem 1.15rem;
}

.activity-info-card ul,
.activity-step-card ul,
.activity-result-card ul {
  margin-bottom: 0;
}

.activity-download-panel {
  margin: 1rem 0 1.7rem 0;
  padding: 1.1rem 1.2rem;
  background:
    linear-gradient(90deg, rgba(255, 79, 163, 0.24), rgba(139, 92, 246, 0.08)),
    rgba(22, 12, 24, 0.96);
}

.activity-download-panel h3 {
  margin-top: 0;
}

.activity-download-panel a {
  color: #ffffff !important;
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.38);
}

.activity-download-panel a:hover {
  color: #ffd6ef !important;
  border-bottom-color: #ffd6ef;
}

.activity-step-card {
  margin: 0.95rem 0;
  padding: 1rem 1.15rem;
  border-left: 5px solid rgba(255, 79, 163, 0.75);
}

.activity-step-card h3 {
  color: #ffffff !important;
}

.activity-result-card {
  padding: 1.05rem 1.15rem;
  background:
    linear-gradient(135deg, rgba(127, 215, 255, 0.08), rgba(255, 79, 163, 0.10)),
    rgba(18, 12, 20, 0.96);
  border-left: 5px solid var(--accent-cyan);
}

.morphology-activity table {
  table-layout: auto !important;
  margin-top: 0.9rem;
  margin-bottom: 1.5rem;
  font-size: 0.96rem;
}

.morphology-activity thead th,
.morphology-activity tbody td {
  padding: 0.85rem 0.95rem;
  line-height: 1.55;
}

.morphology-activity tbody td:first-child {
  font-weight: 800;
}

.morphology-activity .math.display,
.morphology-activity span.math.display {
  margin: 1.1rem 0;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 79, 163, 0.16);
  overflow-x: auto;
}

@media (max-width: 850px) {
  .morphology-activity {
    max-width: 100%;
  }

  .activity-overview-grid {
    grid-template-columns: 1fr;
  }

  .morphology-activity .activity-hero-block,
  .activity-info-card,
  .activity-download-panel,
  .activity-step-card,
  .activity-result-card {
    padding: 1rem;
  }
}

.download-list {
  list-style: none;
  padding-left: 0;
  margin: 0.8rem 0 1rem 0;
}

.download-list li {
  margin: 0.55rem 0;
}

.download-list a {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 79, 163, 0.28);
  color: #ffffff !important;
  font-weight: 800;
  text-decoration: none;
}

.download-list a:hover {
  background: rgba(255, 79, 163, 0.16);
  color: #ffd6ef !important;
}

.data-source-note {
  margin: 1.2rem 0 1.8rem 0;
  padding: 1.05rem 1.2rem;
  border-radius: 18px;
  border: 1px solid rgba(127, 215, 255, 0.28);
  border-left: 5px solid var(--accent-cyan);
  background:
    linear-gradient(135deg, rgba(127, 215, 255, 0.08), rgba(255, 79, 163, 0.08)),
    rgba(18, 12, 20, 0.96);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.14);
}

.data-source-note h3 {
  margin-top: 0;
}

.data-source-note p {
  color: #f1edf6 !important;
  line-height: 1.75;
}

/* =====================================================
   FROM DUST TO PLANETS SECTION
   ===================================================== */

.dust-planets-section {
  margin: 1.2rem 0 2.2rem 0;
}

.dust-intro-box {
  margin: 1.1rem 0 1.35rem 0;
  padding: 1.25rem 1.4rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 79, 163, 0.32);
  border-left: 6px solid var(--accent-magenta);
  background:
    linear-gradient(135deg, rgba(255, 79, 163, 0.16), rgba(139, 92, 246, 0.10)),
    rgba(18, 12, 20, 0.96);
  box-shadow:
    0 14px 28px rgba(0, 0, 0, 0.18),
    0 0 20px rgba(255, 79, 163, 0.10);
}

.dust-intro-box p {
  margin: 0;
  color: #ffe3f3 !important;
  font-size: 1.06rem;
  line-height: 1.85;
}

.dust-pathway-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 1.35rem 0;
}

.dust-pathway-card {
  padding: 1.1rem 1.15rem;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(28, 18, 30, 0.97), rgba(13, 11, 16, 0.97));
  border: 1px solid rgba(255, 79, 163, 0.22);
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.16),
    0 0 16px rgba(255, 79, 163, 0.06);
}

.dust-pathway-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: #ffffff !important;
  font-size: 1.22rem;
}

.dust-pathway-card p {
  color: #f4e3ee !important;
  font-size: 0.98rem;
  line-height: 1.68;
  margin-bottom: 0;
}

.dust-bridge-box {
  margin: 1.2rem 0 1.45rem 0;
  padding: 1rem 1.15rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px dashed rgba(127, 215, 255, 0.32);
  border-left: 5px solid var(--accent-cyan);
}

.dust-bridge-box p {
  margin: 0;
  color: #edf8ff !important;
  font-size: 1rem;
  line-height: 1.75;
}

.planet-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
  margin: 1.3rem 0 1.8rem 0;
}

.planet-example-card {
  position: relative;
  padding: 1.25rem 1.25rem 1.15rem 1.25rem;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(31, 20, 34, 0.98), rgba(12, 12, 17, 0.98));
  border: 1px solid rgba(255, 79, 163, 0.25);
  box-shadow:
    0 16px 30px rgba(0, 0, 0, 0.20),
    0 0 18px rgba(255, 79, 163, 0.08);
  overflow: hidden;
}

.planet-example-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--accent-magenta), var(--accent-violet));
}

.example-label {
  display: inline-block;
  margin-bottom: 0.8rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 79, 163, 0.13);
  border: 1px solid rgba(255, 79, 163, 0.28);
  color: #ffd8ec !important;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.planet-example-card h3 {
  margin-top: 0;
  margin-bottom: 0.85rem;
  color: #ffffff !important;
  font-size: 1.35rem;
}

.planet-example-card p {
  color: #f2e4ee !important;
  font-size: 0.99rem;
  line-height: 1.72;
}

.planet-example-card strong {
  color: #ffffff !important;
}

@media (max-width: 1000px) {
  .dust-pathway-grid,
  .planet-example-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .dust-intro-box,
  .dust-pathway-card,
  .dust-bridge-box,
  .planet-example-card {
    padding: 1rem;
  }

  .planet-example-card h3 {
    font-size: 1.22rem;
  }
}

/* =====================================================
   AFTER THE PROTOPLANETARY PHASE
   ===================================================== */

.after-phase-section {
  margin: 1.2rem 0 2.4rem 0;
}

.after-phase-hero {
  margin: 1rem 0 1.4rem 0;
  padding: 1.25rem 1.4rem;
  border-radius: 22px;
  border: 1px solid rgba(255, 79, 163, 0.32);
  border-left: 6px solid var(--accent-magenta);
  background:
    radial-gradient(circle at top left, rgba(255, 79, 163, 0.20), transparent 34%),
    linear-gradient(135deg, rgba(28, 18, 32, 0.98), rgba(10, 10, 16, 0.98));
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.22),
    0 0 24px rgba(255, 79, 163, 0.10);
}

.after-phase-kicker {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 79, 163, 0.14);
  border: 1px solid rgba(255, 79, 163, 0.30);
  color: #ffd7ea !important;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.after-phase-hero p {
  margin: 0;
  color: #ffe8f4 !important;
  font-size: 1.05rem;
  line-height: 1.8;
}

.debris-showcase {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
  align-items: stretch;
  margin: 1.35rem 0 1.45rem 0;
}

.debris-figure-card,
.debris-definition-card,
.hybrid-study-card {
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(31, 20, 34, 0.98), rgba(12, 12, 18, 0.98));
  border: 1px solid rgba(255, 79, 163, 0.24);
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.22),
    0 0 20px rgba(255, 79, 163, 0.07);
}

.debris-figure-card {
  padding: 1rem;
}

.debris-image {
  display: block;
  width: 100%;
  border-radius: 18px;
  margin: 0 auto 0.85rem auto;
  box-shadow:
    0 14px 28px rgba(0, 0, 0, 0.30),
    0 0 18px rgba(255, 155, 60, 0.10);
}

.debris-caption {
  padding: 0.75rem 0.85rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  border-left: 4px solid rgba(255, 179, 90, 0.85);
}

.debris-caption p {
  margin: 0;
  color: #f4e5dc !important;
  font-size: 0.9rem;
  line-height: 1.55;
  text-align: center;
}

.debris-caption strong {
  color: #ffffff !important;
}

.debris-definition-card {
  padding: 1.15rem 1.2rem;
}

.debris-definition-card h3,
.hybrid-study-card h3 {
  margin-top: 0;
  margin-bottom: 0.9rem;
  color: #ffffff !important;
  font-size: 1.38rem;
}

.debris-point {
  margin: 0.85rem 0;
  padding: 0.85rem 0.95rem;
  border-radius: 16px;
  background:
    linear-gradient(90deg, rgba(127, 215, 255, 0.09), rgba(255, 79, 163, 0.05));
  border: 1px solid rgba(127, 215, 255, 0.20);
  border-left: 4px solid var(--accent-cyan);
}

.debris-point p {
  margin: 0;
  color: #eef8ff !important;
  font-size: 0.96rem;
  line-height: 1.62;
}

.hybrid-study-card {
  margin-top: 1.25rem;
  padding: 1.25rem;
  border-left: 6px solid var(--accent-magenta);
}

.hybrid-study-card > p {
  color: #f3e5ee !important;
  font-size: 1rem;
  line-height: 1.75;
}

.hybrid-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.hybrid-mini-card {
  padding: 1rem 1.05rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 79, 163, 0.18);
}

.hybrid-mini-card h4 {
  margin-top: 0;
  margin-bottom: 0.65rem;
  color: #ffffff !important;
  font-size: 1.08rem;
}

.hybrid-mini-card p {
  margin-bottom: 0;
  color: #f2e6ef !important;
  font-size: 0.97rem;
  line-height: 1.68;
}

.after-phase-takeaway {
  margin-top: 1.1rem;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(127, 215, 255, 0.12), rgba(255, 79, 163, 0.06));
  border: 1px dashed rgba(127, 215, 255, 0.35);
  border-left: 5px solid var(--accent-cyan);
}

.after-phase-takeaway p {
  margin: 0;
  color: #edf8ff !important;
  font-size: 1rem;
  line-height: 1.72;
}

@media (max-width: 1000px) {
  .debris-showcase,
  .hybrid-mini-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .after-phase-hero,
  .debris-figure-card,
  .debris-definition-card,
  .hybrid-study-card,
  .hybrid-mini-card,
  .after-phase-takeaway {
    padding: 1rem;
  }

  .debris-definition-card h3,
  .hybrid-study-card h3 {
    font-size: 1.22rem;
  }
}

/* =====================================================
   DISK EVOLUTION AND SUBSTRUCTURES SECTION
   ===================================================== */

.disk-evolution-section {
  margin: 1.2rem 0 2.4rem 0;
}

.evolution-intro-box {
  margin: 1rem 0 1.35rem 0;
  padding: 1.25rem 1.4rem;
  border-radius: 22px;
  border: 1px solid rgba(255, 79, 163, 0.32);
  border-left: 6px solid var(--accent-magenta);
  background:
    radial-gradient(circle at top left, rgba(255, 79, 163, 0.18), transparent 36%),
    linear-gradient(135deg, rgba(28, 18, 32, 0.98), rgba(10, 10, 16, 0.98));
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.22),
    0 0 22px rgba(255, 79, 163, 0.09);
}

.evolution-intro-box p {
  margin: 0;
  color: #ffe8f4 !important;
  font-size: 1.04rem;
  line-height: 1.8;
}

.evolution-mechanism-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 1.45rem 0;
}

.evolution-mechanism-card {
  padding: 1.05rem 1.1rem;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(31, 20, 34, 0.98), rgba(12, 12, 18, 0.98));
  border: 1px solid rgba(255, 79, 163, 0.22);
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.18),
    0 0 16px rgba(255, 79, 163, 0.06);
}

.evolution-mechanism-card h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  color: #ffffff !important;
  font-size: 1.18rem;
}

.evolution-mechanism-card p {
  margin-bottom: 0;
  color: #f3e5ee !important;
  font-size: 0.96rem;
  line-height: 1.65;
}

.evolution-example-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.15rem;
  margin: 1.35rem 0 1.55rem 0;
}

.evolution-example-card {
  position: relative;
  padding: 1.25rem 1.25rem 1.15rem 1.25rem;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(31, 20, 34, 0.98), rgba(12, 12, 18, 0.98));
  border: 1px solid rgba(255, 79, 163, 0.25);
  box-shadow:
    0 16px 30px rgba(0, 0, 0, 0.20),
    0 0 18px rgba(255, 79, 163, 0.08);
  overflow: hidden;
}

.evolution-example-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: linear-gradient(180deg, var(--accent-magenta), var(--accent-violet));
}

.evolution-example-card h3 {
  margin-top: 0;
  margin-bottom: 0.85rem;
  color: #ffffff !important;
  font-size: 1.32rem;
}

.evolution-example-card p {
  color: #f2e4ee !important;
  font-size: 0.98rem;
  line-height: 1.7;
}

.evolution-takeaway {
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(127, 215, 255, 0.12), rgba(255, 79, 163, 0.06));
  border: 1px dashed rgba(127, 215, 255, 0.35);
  border-left: 5px solid var(--accent-cyan);
}

.evolution-takeaway p {
  margin: 0;
  color: #edf8ff !important;
  font-size: 1rem;
  line-height: 1.72;
}

@media (max-width: 1000px) {
  .evolution-mechanism-grid,
  .evolution-example-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .evolution-intro-box,
  .evolution-mechanism-card,
  .evolution-example-card,
  .evolution-takeaway {
    padding: 1rem;
  }

  .evolution-example-card h3 {
    font-size: 1.2rem;
  }
}

/* Special card for contributing new disks */
.add-disk-card {
  justify-content: center;
  text-align: center;
  border: 1px dashed rgba(255, 79, 163, 0.45);
  background: linear-gradient(180deg, rgba(42, 24, 45, 0.92), rgba(14, 14, 16, 0.96));
}

.add-disk-card:hover {
  border-color: rgba(255, 79, 163, 0.75);
  box-shadow: 0 14px 30px rgba(214, 51, 132, 0.22);
}

.add-disk-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid rgba(255, 79, 163, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem auto;
  font-size: 2.2rem;
  line-height: 1;
  color: #ff7fbd;
  background: rgba(255, 79, 163, 0.08);
}

.add-disk-card h3 {
  margin-top: 0.3rem;
}

.add-disk-card p {
  max-width: 92%;
  margin-left: auto;
  margin-right: auto;
}

/* =====================================================
   SIMULATION GUIDE — guía de uso de simulation.qmd
   ===================================================== */

.simulation-guide {
  max-width: 1080px;
  margin: 0 auto;
}

/* ── Tarjeta base ─────────────────────────────────────────── */
.guide-card {
  padding: 1.35rem 1.5rem;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(28, 18, 30, 0.97), rgba(13, 11, 16, 0.97));
  border: 1px solid rgba(255, 79, 163, 0.18);
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.20),
    0 0 18px rgba(255, 79, 163, 0.06);
  margin-bottom: 1.35rem;
}

.guide-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.38rem;
  color: #ffffff !important;
  border-bottom: 1px solid rgba(255, 79, 163, 0.22);
  padding-bottom: 0.5rem;
}

.guide-card h4 {
  margin-top: 1.2rem;
  margin-bottom: 0.55rem;
  font-size: 1.08rem;
  color: #ffd3e8 !important;
}

.guide-card p,
.guide-card li {
  color: #ecdae5 !important;
  font-size: 1.02rem;
  line-height: 1.78;
}

.guide-card strong {
  color: #ffffff !important;
}

.guide-card em {
  color: #ffc8e6 !important;
}

/* ── Tarjeta de introducción ──────────────────────────────── */
.guide-intro {
  background:
    radial-gradient(circle at top left, rgba(255, 79, 163, 0.18), transparent 38%),
    linear-gradient(135deg, rgba(32, 18, 34, 0.98), rgba(12, 10, 18, 0.98));
  border: 1px solid rgba(255, 79, 163, 0.32);
  border-left: 6px solid var(--accent-magenta);
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.22),
    0 0 24px rgba(255, 79, 163, 0.10);
}

.guide-intro h3 {
  border-bottom-color: rgba(255, 79, 163, 0.35);
}

.guide-intro ol {
  padding-left: 1.3rem;
  margin: 0.6rem 0 0 0;
}

.guide-intro ol li {
  margin-bottom: 0.7rem;
  color: #f5dded !important;
  line-height: 1.72;
}

/* ── Grid de dos columnas ─────────────────────────────────── */
.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 1.35rem;
}

@media (max-width: 780px) {
  .guide-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Badges de componente ─────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.16rem 0.58rem;
  border-radius: 999px;
  font-size: 0.79rem;
  font-weight: 700;
  margin-right: 0.28rem;
  vertical-align: middle;
  letter-spacing: 0.01em;
}

.badge-gas {
  background: rgba(75, 135, 255, 0.18);
  color: #90c6ff;
  border: 1px solid rgba(75, 135, 255, 0.38);
}

.badge-fine {
  background: rgba(255, 235, 180, 0.14);
  color: #ffe8b8;
  border: 1px solid rgba(255, 220, 150, 0.32);
}

.badge-mm {
  background: rgba(255, 176, 78, 0.16);
  color: #ffbd64;
  border: 1px solid rgba(255, 176, 78, 0.38);
}

.badge-pres {
  background: rgba(90, 255, 150, 0.14);
  color: #80ffaa;
  border: 1px solid rgba(90, 255, 150, 0.32);
}

/* ── Ecuaciones destacadas ────────────────────────────────── */
.guide-card .math.display,
.guide-card span.math.display {
  display: block;
  margin: 1.1rem 0;
  padding: 0.85rem 1.1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 79, 163, 0.18);
  border-left: 4px solid var(--accent-magenta);
  overflow-x: auto;
  text-align: center;
}

/* ── Separador interno de secciones ──────────────────────── */
.guide-card hr {
  border: 0;
  border-top: 1px solid rgba(255, 79, 163, 0.16);
  margin: 1.3rem 0;
}

/* ── Tarjeta de parámetros fijos ──────────────────────────── */
.guide-card.guide-fixed {
  border-left: 5px solid var(--accent-cyan);
  background:
    linear-gradient(135deg, rgba(127, 215, 255, 0.06), rgba(255, 79, 163, 0.06)),
    rgba(18, 12, 20, 0.97);
}

.guide-card.guide-fixed h3 {
  color: var(--accent-cyan) !important;
  border-bottom-color: rgba(127, 215, 255, 0.22);
}

.guide-card.guide-fixed p,
.guide-card.guide-fixed li {
  color: #ddf2ff !important;
}

/* ── Tarjeta de limitaciones ──────────────────────────────── */
.guide-limit {
  background:
    linear-gradient(135deg, rgba(255, 140, 50, 0.10), rgba(255, 79, 163, 0.06)),
    rgba(18, 12, 16, 0.97);
  border: 1px solid rgba(255, 160, 60, 0.26);
  border-left: 6px solid #ff9f43;
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.18),
    0 0 16px rgba(255, 140, 50, 0.08);
}

.guide-limit h3 {
  color: #ffc87a !important;
  border-bottom-color: rgba(255, 160, 60, 0.28) !important;
}

.guide-limit p,
.guide-limit li {
  color: #f5e6d5 !important;
}

.guide-limit strong {
  color: #ffffff !important;
}

/* ── Tabla dentro de guide-card ───────────────────────────── */
/* Hereda el sistema de tablas global del styles.css,
   solo ajustamos tamaño de fuente para que sea más compacta
   dentro de las tarjetas */
.guide-card table {
  font-size: 0.95rem !important;
  margin: 0.8rem 0 1rem 0 !important;
}

.guide-card thead th {
  font-size: 0.92rem !important;
}

.guide-card tbody td {
  line-height: 1.55 !important;
}

/* Primera columna de la tabla de controles: monospace */
.guide-card tbody td:first-child {
  font-family: "Courier New", monospace !important;
  font-size: 0.88rem !important;
  color: #ffc8e6 !important;
  white-space: nowrap;
}

/* Make bibliography/references use the same width as the simulation guide */
#quarto-appendix,
.quarto-appendix,
.quarto-appendix-contents,
#refs,
.references,
.csl-bib-body {
  max-width: none !important;
  width: min(100%, 1240px) !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

main.content,
#quarto-content,
#quarto-document-content {
  max-width: none !important;
}

/* ============================================================
   Página: Sobre el proyecto - versión brillante
   ============================================================ */

.pagina-sobre-proyecto .quarto-title-block {
  display: none;
}

.pagina-sobre-proyecto {
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 79, 174, 0.26), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(100, 217, 255, 0.16), transparent 30%),
    radial-gradient(circle at 50% 85%, rgba(186, 82, 255, 0.18), transparent 35%),
    #050308;
}

.pagina-sobre-proyecto main {
  max-width: 1250px;
  margin: 0 auto;
  padding: 1.5rem 2rem 4rem 2rem;
}

.about-hero {
  position: relative;
  overflow: hidden;
  margin: 2rem 0 3.5rem 0;
  padding: 4rem;
  border-radius: 34px;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 135, 210, 0.58), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(110, 222, 255, 0.25), transparent 30%),
    linear-gradient(135deg, rgba(172, 28, 117, 0.96), rgba(72, 14, 78, 0.95), rgba(15, 8, 24, 0.98));
  border: 1px solid rgba(255, 160, 220, 0.55);
  box-shadow:
    0 0 45px rgba(255, 79, 174, 0.38),
    0 0 100px rgba(186, 82, 255, 0.16),
    inset 0 0 55px rgba(255, 255, 255, 0.06);
}

.about-hero::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.38) 0 1px, transparent 2px);
  background-size: 42px 42px;
  opacity: 0.18;
  transform: rotate(12deg);
  pointer-events: none;
}

.about-hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -120px;
  bottom: -150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 79, 174, 0.48), transparent 65%);
  filter: blur(8px);
  opacity: 0.75;
  pointer-events: none;
}

.about-hero > * {
  position: relative;
  z-index: 2;
}

.about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  color: #ffe2f5;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.08);
}

.about-hero h1 {
  max-width: 950px;
  margin: 1rem 0 1.4rem 0;
  font-size: clamp(3rem, 6vw, 6.2rem);
  line-height: 0.95;
  color: #ffffff;
  letter-spacing: -0.06em;
  text-shadow:
    0 0 18px rgba(255, 255, 255, 0.18),
    0 0 34px rgba(255, 79, 174, 0.35);
}

.about-hero p {
  max-width: 950px;
  font-size: 1.12rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.93);
}

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.3rem;
}

.about-button,
.about-button-secondary {
  display: inline-block;
  padding: 0.95rem 1.35rem;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.about-button {
  background: linear-gradient(135deg, #ff4fae, #ff8acb);
  color: #ffffff !important;
  box-shadow:
    0 0 24px rgba(255, 79, 174, 0.65),
    0 8px 30px rgba(255, 79, 174, 0.28);
}

.about-button-secondary {
  background: rgba(255, 255, 255, 0.13);
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.28);
  box-shadow: 0 0 22px rgba(255, 255, 255, 0.06);
}

.about-button:hover,
.about-button-secondary:hover {
  transform: translateY(-3px);
  text-decoration: none;
}

.about-button:hover {
  box-shadow:
    0 0 35px rgba(255, 79, 174, 0.9),
    0 12px 40px rgba(255, 79, 174, 0.35);
}

.about-button-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 30px rgba(100, 217, 255, 0.22);
}

.pagina-sobre-proyecto h2 {
  margin-top: 3.8rem;
  margin-bottom: 1.4rem;
  padding: 1rem 1.3rem;
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(209, 39, 142, 0.96), rgba(87, 18, 80, 0.82), rgba(18, 8, 26, 0.25));
  border-left: 6px solid #ff66bd;
  color: #ffffff;
  font-size: 2rem;
  letter-spacing: -0.03em;
  box-shadow:
    0 0 25px rgba(255, 79, 174, 0.2),
    inset 0 0 24px rgba(255, 255, 255, 0.04);
}

.about-grid,
.about-grid-two {
  display: grid;
  gap: 1.4rem;
  margin: 1.3rem 0 2.3rem 0;
}

.about-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-card,
.about-card-wide,
.about-highlight,
.citation-box {
  border-radius: 24px;
  padding: 1.6rem;
  background:
    radial-gradient(circle at top left, rgba(255, 79, 174, 0.13), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.028));
  border: 1px solid rgba(255, 145, 215, 0.28);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.32),
    inset 0 0 22px rgba(255, 255, 255, 0.035);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.about-card:hover,
.about-card-wide:hover,
.about-highlight:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 130, 205, 0.55);
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.38),
    0 0 30px rgba(255, 79, 174, 0.18);
}

.about-card h3 {
  margin-top: 0;
  color: #ff9bd3;
  font-size: 1.28rem;
  letter-spacing: -0.015em;
}

.about-card p,
.about-card-wide p,
.about-highlight p,
.citation-box p {
  line-height: 1.75;
}

.about-card-wide {
  margin: 1.2rem 0 2.4rem 0;
}

.about-highlight {
  margin: 1.2rem 0 2.4rem 0;
  background:
    radial-gradient(circle at top left, rgba(255, 79, 174, 0.25), transparent 32%),
    radial-gradient(circle at bottom right, rgba(100, 217, 255, 0.12), transparent 35%),
    linear-gradient(135deg, rgba(92, 18, 76, 0.88), rgba(18, 10, 24, 0.92));
}

.citation-box {
  margin: 1.1rem 0 1.8rem 0;
  border-left: 6px solid #ff66bd;
  background:
    linear-gradient(135deg, rgba(255, 79, 174, 0.18), rgba(255, 255, 255, 0.045));
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.96);
}

.about-link {
  font-weight: 900;
}

.pagina-sobre-proyecto a {
  color: #75e3ff;
}

.pagina-sobre-proyecto a:hover {
  color: #b6f2ff;
}

@media (max-width: 1050px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-grid-two {
    grid-template-columns: 1fr;
  }

  .about-hero {
    padding: 2.4rem;
  }
}

@media (max-width: 650px) {
  .pagina-sobre-proyecto main {
    padding: 1rem;
  }

  .about-hero {
    padding: 1.6rem;
    border-radius: 24px;
  }

  .about-actions {
    flex-direction: column;
  }

  .about-button,
  .about-button-secondary {
    width: 100%;
    text-align: center;
  }
}

/* ============================================================
   Decoración espacial visible para Sobre el proyecto
   ============================================================ */

.pagina-sobre-proyecto {
  position: relative;
  overflow-x: hidden;
}

/* Capas espaciales laterales */
.space-side {
  position: fixed;
  top: 0;
  bottom: 0;
  width: 28vw;
  pointer-events: none;
  z-index: 1;
  opacity: 0.95;
}

.space-left {
  left: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 90, 190, 0.55), transparent 18%),
    radial-gradient(circle at 42% 68%, rgba(150, 80, 255, 0.38), transparent 22%),
    radial-gradient(circle at 75% 35%, rgba(90, 220, 255, 0.24), transparent 18%),
    radial-gradient(circle at 25% 35%, rgba(255,255,255,0.95) 0 1.3px, transparent 2.4px),
    radial-gradient(circle at 55% 22%, rgba(255,255,255,0.85) 0 1px, transparent 2px),
    radial-gradient(circle at 70% 78%, rgba(255,255,255,0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 15% 82%, rgba(255,255,255,0.9) 0 1.2px, transparent 2.2px),
    radial-gradient(circle at 82% 55%, rgba(255,255,255,0.7) 0 1px, transparent 2px);
  animation: spaceFloatLeft 14s ease-in-out infinite alternate,
             spaceTwinkle 4s ease-in-out infinite;
}

.space-right {
  right: 0;
  background:
    radial-gradient(circle at 82% 20%, rgba(255, 90, 190, 0.50), transparent 18%),
    radial-gradient(circle at 58% 72%, rgba(150, 80, 255, 0.38), transparent 22%),
    radial-gradient(circle at 25% 34%, rgba(90, 220, 255, 0.24), transparent 18%),
    radial-gradient(circle at 75% 38%, rgba(255,255,255,0.95) 0 1.3px, transparent 2.4px),
    radial-gradient(circle at 40% 18%, rgba(255,255,255,0.85) 0 1px, transparent 2px),
    radial-gradient(circle at 30% 80%, rgba(255,255,255,0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 88% 76%, rgba(255,255,255,0.9) 0 1.2px, transparent 2.2px),
    radial-gradient(circle at 18% 55%, rgba(255,255,255,0.7) 0 1px, transparent 2px);
  animation: spaceFloatRight 16s ease-in-out infinite alternate,
             spaceTwinkle 5s ease-in-out infinite;
}

/* Nebulosas grandes decorativas */
.space-left::before,
.space-right::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(35px);
  opacity: 0.55;
}

.space-left::before {
  left: -150px;
  top: 25%;
  background: rgba(255, 70, 180, 0.55);
}

.space-right::before {
  right: -150px;
  top: 45%;
  background: rgba(120, 80, 255, 0.50);
}

/* Estrella fugaz izquierda */
.space-left::after {
  content: "";
  position: absolute;
  top: 18%;
  left: 8%;
  width: 130px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.95), transparent);
  box-shadow: 0 0 18px rgba(255,255,255,0.85);
  transform: rotate(-28deg);
  animation: shootingStarLeft 6s ease-in-out infinite;
}

/* Estrella fugaz derecha */
.space-right::after {
  content: "";
  position: absolute;
  top: 62%;
  right: 8%;
  width: 130px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.95), transparent);
  box-shadow: 0 0 18px rgba(255,255,255,0.85);
  transform: rotate(28deg);
  animation: shootingStarRight 7s ease-in-out infinite;
}

/* El contenido siempre queda encima */
.pagina-sobre-proyecto main,
.pagina-sobre-proyecto .navbar,
.pagina-sobre-proyecto .about-hero,
.pagina-sobre-proyecto h2,
.pagina-sobre-proyecto .about-grid,
.pagina-sobre-proyecto .about-grid-two,
.pagina-sobre-proyecto .about-card,
.pagina-sobre-proyecto .about-card-wide,
.pagina-sobre-proyecto .about-highlight,
.pagina-sobre-proyecto .citation-box {
  position: relative;
  z-index: 5;
}

@keyframes spaceFloatLeft {
  0% {
    transform: translateY(0) translateX(0) scale(1);
  }
  100% {
    transform: translateY(-18px) translateX(8px) scale(1.04);
  }
}

@keyframes spaceFloatRight {
  0% {
    transform: translateY(0) translateX(0) scale(1);
  }
  100% {
    transform: translateY(18px) translateX(-8px) scale(1.04);
  }
}

@keyframes spaceTwinkle {
  0%, 100% {
    opacity: 0.72;
  }
  50% {
    opacity: 1;
  }
}

@keyframes shootingStarLeft {
  0%, 70%, 100% {
    opacity: 0;
    transform: translateX(-40px) translateY(20px) rotate(-28deg);
  }
  78% {
    opacity: 1;
  }
  88% {
    opacity: 0;
    transform: translateX(120px) translateY(-55px) rotate(-28deg);
  }
}

@keyframes shootingStarRight {
  0%, 62%, 100% {
    opacity: 0;
    transform: translateX(40px) translateY(20px) rotate(28deg);
  }
  72% {
    opacity: 1;
  }
  84% {
    opacity: 0;
    transform: translateX(-120px) translateY(-55px) rotate(28deg);
  }
}

/* En pantallas pequeñas bajamos la intensidad */
@media (max-width: 900px) {
  .space-side {
    width: 16vw;
    opacity: 0.45;
  }

  .space-left::after,
  .space-right::after {
    display: none;
  }
}

/* ============================================================
   Página principal: Index en español con estética espacial
   ============================================================ */

.pagina-index-catalogo {
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 79, 174, 0.20), transparent 28%),
    radial-gradient(circle at 90% 20%, rgba(100, 217, 255, 0.12), transparent 30%),
    radial-gradient(circle at 50% 90%, rgba(186, 82, 255, 0.16), transparent 35%),
    #050308;
}

/* Oculta título automático duplicado */
.pagina-index-catalogo .quarto-title-block {
  display: none;
}

.pagina-index-catalogo main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 2rem 4rem 2rem;
}

/* Capas espaciales laterales */
.pagina-index-catalogo .space-side {
  position: fixed;
  top: 0;
  bottom: 0;
  width: 26vw;
  pointer-events: none;
  z-index: 1;
  opacity: 0.9;
}

.pagina-index-catalogo .space-left {
  left: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 90, 190, 0.55), transparent 18%),
    radial-gradient(circle at 38% 64%, rgba(150, 80, 255, 0.34), transparent 22%),
    radial-gradient(circle at 75% 35%, rgba(90, 220, 255, 0.20), transparent 18%),
    radial-gradient(circle at 25% 35%, rgba(255,255,255,0.95) 0 1.3px, transparent 2.4px),
    radial-gradient(circle at 55% 22%, rgba(255,255,255,0.85) 0 1px, transparent 2px),
    radial-gradient(circle at 70% 78%, rgba(255,255,255,0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 15% 82%, rgba(255,255,255,0.9) 0 1.2px, transparent 2.2px);
  animation: indexSpaceFloatLeft 16s ease-in-out infinite alternate,
             indexSpaceTwinkle 5s ease-in-out infinite;
}

.pagina-index-catalogo .space-right {
  right: 0;
  background:
    radial-gradient(circle at 82% 20%, rgba(255, 90, 190, 0.46), transparent 18%),
    radial-gradient(circle at 58% 72%, rgba(150, 80, 255, 0.34), transparent 22%),
    radial-gradient(circle at 25% 34%, rgba(90, 220, 255, 0.20), transparent 18%),
    radial-gradient(circle at 75% 38%, rgba(255,255,255,0.95) 0 1.3px, transparent 2.4px),
    radial-gradient(circle at 40% 18%, rgba(255,255,255,0.85) 0 1px, transparent 2px),
    radial-gradient(circle at 30% 80%, rgba(255,255,255,0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 88% 76%, rgba(255,255,255,0.9) 0 1.2px, transparent 2.2px);
  animation: indexSpaceFloatRight 18s ease-in-out infinite alternate,
             indexSpaceTwinkle 6s ease-in-out infinite;
}

.pagina-index-catalogo .space-left::before,
.pagina-index-catalogo .space-right::before {
  content: "";
  position: absolute;
  width: 430px;
  height: 430px;
  border-radius: 50%;
  filter: blur(38px);
  opacity: 0.55;
}

.pagina-index-catalogo .space-left::before {
  left: -160px;
  top: 18%;
  background: rgba(255, 70, 180, 0.56);
}

.pagina-index-catalogo .space-right::before {
  right: -160px;
  top: 44%;
  background: rgba(120, 80, 255, 0.52);
}

.pagina-index-catalogo .space-left::after,
.pagina-index-catalogo .space-right::after {
  content: "";
  position: absolute;
  width: 145px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.95), transparent);
  box-shadow: 0 0 20px rgba(255,255,255,0.9);
}

.pagina-index-catalogo .space-left::after {
  top: 18%;
  left: 7%;
  transform: rotate(-28deg);
  animation: indexShootingStarLeft 7s ease-in-out infinite;
}

.pagina-index-catalogo .space-right::after {
  top: 62%;
  right: 8%;
  transform: rotate(28deg);
  animation: indexShootingStarRight 8s ease-in-out infinite;
}

/* Contenido por encima de las animaciones */
.pagina-index-catalogo main,
.pagina-index-catalogo .catalog-hero,
.pagina-index-catalogo h2,
.pagina-index-catalogo .disk-grid,
.pagina-index-catalogo .activity-grid,
.pagina-index-catalogo .tracer-gallery,
.pagina-index-catalogo .substructure-grid-clean,
.pagina-index-catalogo .dust-planets-section,
.pagina-index-catalogo .after-phase-section,
.pagina-index-catalogo .disk-evolution-section,
.pagina-index-catalogo .catalog-use-box,
.pagina-index-catalogo .substructure-gallery {
  position: relative;
  z-index: 5;
}

/* Hero principal */
.pagina-index-catalogo .catalog-hero {
  position: relative;
  overflow: hidden;
  margin: 2.2rem 0 3.5rem 0;
  padding: 3.2rem;
  border-radius: 34px;
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 135, 210, 0.55), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(110, 222, 255, 0.22), transparent 30%),
    linear-gradient(135deg, rgba(172, 28, 117, 0.96), rgba(72, 14, 78, 0.95), rgba(15, 8, 24, 0.98));
  border: 1px solid rgba(255, 160, 220, 0.55);
  box-shadow:
    0 0 45px rgba(255, 79, 174, 0.36),
    0 0 100px rgba(186, 82, 255, 0.14),
    inset 0 0 55px rgba(255, 255, 255, 0.06);
}

.pagina-index-catalogo .catalog-hero::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.34) 0 1px, transparent 2px);
  background-size: 40px 40px;
  opacity: 0.16;
  transform: rotate(12deg);
  pointer-events: none;
}

.pagina-index-catalogo .catalog-hero > * {
  position: relative;
  z-index: 2;
}

.pagina-index-catalogo .catalog-hero-text {
  max-width: 760px;
}

.pagina-index-catalogo .catalog-hero h1 {
  margin: 1rem 0 1.3rem 0;
  font-size: clamp(3rem, 6vw, 6.4rem);
  line-height: 0.95;
  color: #ffffff;
  letter-spacing: -0.06em;
  text-shadow:
    0 0 18px rgba(255, 255, 255, 0.18),
    0 0 34px rgba(255, 79, 174, 0.35);
}

.pagina-index-catalogo .catalog-hero p {
  font-size: 1.08rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.93);
}

.pagina-index-catalogo .hero-kicker {
  display: inline-flex;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.15);
  color: #ffe2f5;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.pagina-index-catalogo .hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.3rem 0 2rem 0;
}

.pagina-index-catalogo .hero-badge {
  padding: 0.48rem 0.78rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffe6f5;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-weight: 750;
  font-size: 0.9rem;
}

.pagina-index-catalogo .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.pagina-index-catalogo .hero-button {
  display: inline-block;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.pagina-index-catalogo .hero-button-primary {
  background: linear-gradient(135deg, #ff4fae, #ff8acb);
  color: #ffffff !important;
  box-shadow:
    0 0 24px rgba(255, 79, 174, 0.65),
    0 8px 30px rgba(255, 79, 174, 0.28);
}

.pagina-index-catalogo .hero-button-secondary {
  background: rgba(255, 255, 255, 0.13);
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.pagina-index-catalogo .hero-button:hover {
  transform: translateY(-3px);
  text-decoration: none;
}

.pagina-index-catalogo .catalog-hero-image {
  align-self: center;
}

.pagina-index-catalogo .catalog-hero-photo {
  border-radius: 24px;
  border: 1px solid rgba(255, 160, 220, 0.35);
  box-shadow:
    0 0 28px rgba(255, 79, 174, 0.22),
    0 18px 42px rgba(0, 0, 0, 0.35);
}

.pagina-index-catalogo .hero-image-caption {
  margin-top: 0.8rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
}

/* Títulos de sección */
.pagina-index-catalogo h2 {
  margin-top: 3.8rem;
  margin-bottom: 1.4rem;
  padding: 1rem 1.3rem;
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(209, 39, 142, 0.96), rgba(87, 18, 80, 0.82), rgba(18, 8, 26, 0.25));
  border-left: 6px solid #ff66bd;
  color: #ffffff;
  font-size: 2rem;
  letter-spacing: -0.03em;
  box-shadow:
    0 0 25px rgba(255, 79, 174, 0.2),
    inset 0 0 24px rgba(255, 255, 255, 0.04);
}

.pagina-index-catalogo h3 {
  color: #ff9bd3;
}

/* Bloques y tarjetas */
.pagina-index-catalogo .section-intro,
.pagina-index-catalogo .index-highlight,
.pagina-index-catalogo .catalog-use-box,
.pagina-index-catalogo .dust-intro-box,
.pagina-index-catalogo .dust-bridge-box,
.pagina-index-catalogo .after-phase-hero,
.pagina-index-catalogo .after-phase-takeaway,
.pagina-index-catalogo .evolution-intro-box,
.pagina-index-catalogo .evolution-takeaway {
  border-radius: 24px;
  padding: 1.6rem;
  background:
    radial-gradient(circle at top left, rgba(255, 79, 174, 0.18), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.028));
  border: 1px solid rgba(255, 145, 215, 0.28);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.32),
    inset 0 0 22px rgba(255, 255, 255, 0.035);
}

.pagina-index-catalogo .disk-card,
.pagina-index-catalogo .activity-card,
.pagina-index-catalogo .tracer-card,
.pagina-index-catalogo .dust-pathway-card,
.pagina-index-catalogo .planet-example-card,
.pagina-index-catalogo .debris-figure-card,
.pagina-index-catalogo .debris-definition-card,
.pagina-index-catalogo .hybrid-study-card,
.pagina-index-catalogo .hybrid-mini-card,
.pagina-index-catalogo .evolution-mechanism-card,
.pagina-index-catalogo .evolution-example-card {
  border-radius: 24px;
  padding: 1.3rem;
  background:
    radial-gradient(circle at top left, rgba(255, 79, 174, 0.13), transparent 36%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.028));
  border: 1px solid rgba(255, 145, 215, 0.28);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.32),
    inset 0 0 22px rgba(255, 255, 255, 0.035);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.pagina-index-catalogo .disk-card:hover,
.pagina-index-catalogo .activity-card:hover,
.pagina-index-catalogo .tracer-card:hover,
.pagina-index-catalogo .dust-pathway-card:hover,
.pagina-index-catalogo .planet-example-card:hover,
.pagina-index-catalogo .evolution-example-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 130, 205, 0.55);
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.38),
    0 0 34px rgba(255, 79, 174, 0.22);
}

.pagina-index-catalogo .disk-card img,
.pagina-index-catalogo .tracer-card img,
.pagina-index-catalogo .debris-image,
.pagina-index-catalogo .substructure-gallery img {
  border-radius: 18px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.36);
}

/* Grillas */
.pagina-index-catalogo .disk-grid,
.pagina-index-catalogo .activity-grid,
.pagina-index-catalogo .tracer-gallery,
.pagina-index-catalogo .dust-pathway-grid,
.pagina-index-catalogo .planet-example-grid,
.pagina-index-catalogo .evolution-mechanism-grid,
.pagina-index-catalogo .evolution-example-grid,
.pagina-index-catalogo .hybrid-mini-grid {
  display: grid;
  gap: 1.35rem;
}

.pagina-index-catalogo .disk-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pagina-index-catalogo .activity-grid,
.pagina-index-catalogo .planet-example-grid,
.pagina-index-catalogo .evolution-example-grid,
.pagina-index-catalogo .hybrid-mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pagina-index-catalogo .tracer-gallery,
.pagina-index-catalogo .dust-pathway-grid,
.pagina-index-catalogo .evolution-mechanism-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Subestructuras */
.pagina-index-catalogo .substructure-grid-clean {
  display: grid;
  gap: 1rem;
}

.pagina-index-catalogo .substructure-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1rem;
  align-items: stretch;
  padding: 1.1rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 145, 215, 0.22);
}

.pagina-index-catalogo .substructure-name {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, #ff4fae, #8d45ff);
  color: #ffffff;
  font-weight: 900;
  font-size: 1.15rem;
}

.pagina-index-catalogo .substructure-text {
  line-height: 1.7;
}

/* Enlaces */
.pagina-index-catalogo a {
  color: #75e3ff;
}

.pagina-index-catalogo a:hover {
  color: #b6f2ff;
}

.pagina-index-catalogo .disk-link {
  font-weight: 900;
}

/* Animaciones */
@keyframes indexSpaceFloatLeft {
  0% {
    transform: translateY(0) translateX(0) scale(1);
  }
  100% {
    transform: translateY(-18px) translateX(8px) scale(1.04);
  }
}

@keyframes indexSpaceFloatRight {
  0% {
    transform: translateY(0) translateX(0) scale(1);
  }
  100% {
    transform: translateY(18px) translateX(-8px) scale(1.04);
  }
}

@keyframes indexSpaceTwinkle {
  0%, 100% {
    opacity: 0.72;
  }
  50% {
    opacity: 1;
  }
}

@keyframes indexShootingStarLeft {
  0%, 70%, 100% {
    opacity: 0;
    transform: translateX(-40px) translateY(20px) rotate(-28deg);
  }
  78% {
    opacity: 1;
  }
  88% {
    opacity: 0;
    transform: translateX(120px) translateY(-55px) rotate(-28deg);
  }
}

@keyframes indexShootingStarRight {
  0%, 62%, 100% {
    opacity: 0;
    transform: translateX(40px) translateY(20px) rotate(28deg);
  }
  72% {
    opacity: 1;
  }
  84% {
    opacity: 0;
    transform: translateX(-120px) translateY(-55px) rotate(28deg);
  }
}

/* Responsive */
@media (max-width: 1100px) {
  .pagina-index-catalogo .disk-grid,
  .pagina-index-catalogo .tracer-gallery,
  .pagina-index-catalogo .dust-pathway-grid,
  .pagina-index-catalogo .evolution-mechanism-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .pagina-index-catalogo main {
    padding: 1rem;
  }

  .pagina-index-catalogo .catalog-hero {
    padding: 2rem;
  }

  .pagina-index-catalogo .disk-grid,
  .pagina-index-catalogo .activity-grid,
  .pagina-index-catalogo .tracer-gallery,
  .pagina-index-catalogo .dust-pathway-grid,
  .pagina-index-catalogo .planet-example-grid,
  .pagina-index-catalogo .evolution-mechanism-grid,
  .pagina-index-catalogo .evolution-example-grid,
  .pagina-index-catalogo .hybrid-mini-grid {
    grid-template-columns: 1fr;
  }

  .pagina-index-catalogo .substructure-row {
    grid-template-columns: 1fr;
  }

  .pagina-index-catalogo .hero-actions {
    flex-direction: column;
  }

  .pagina-index-catalogo .hero-button {
    text-align: center;
  }

  .pagina-index-catalogo .space-side {
    width: 14vw;
    opacity: 0.42;
  }
}

/* ============================================================
   Más estrellas fugaces para la portada
   ============================================================ */

.pagina-index-catalogo .index-hero {
  position: relative;
}

/* Estrellas fugaces dentro del hero principal */
.pagina-index-catalogo .index-hero::after {
  content: "";
  position: absolute;
  top: 18%;
  left: -20%;
  width: 180px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.95), transparent);
  box-shadow:
    0 0 18px rgba(255,255,255,0.9),
    0 0 32px rgba(255, 120, 210, 0.7);
  transform: rotate(-24deg);
  opacity: 0;
  animation: heroShootingStar 8s ease-in-out infinite;
}

/* Segunda estrella fugaz en el hero */
.pagina-index-catalogo .index-hero::before {
  content: "";
  position: absolute;
  top: 68%;
  right: -25%;
  width: 150px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.95), transparent);
  box-shadow:
    0 0 18px rgba(255,255,255,0.85),
    0 0 30px rgba(120, 220, 255, 0.65);
  transform: rotate(22deg);
  opacity: 0;
  animation: heroShootingStarReverse 10s ease-in-out infinite;
}

/* Estrellas extra en los costados */
.pagina-index-catalogo .space-left {
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 90, 190, 0.55), transparent 18%),
    radial-gradient(circle at 38% 64%, rgba(150, 80, 255, 0.34), transparent 22%),
    radial-gradient(circle at 75% 35%, rgba(90, 220, 255, 0.20), transparent 18%),
    radial-gradient(circle at 25% 35%, rgba(255,255,255,0.95) 0 1.3px, transparent 2.4px),
    radial-gradient(circle at 55% 22%, rgba(255,255,255,0.85) 0 1px, transparent 2px),
    radial-gradient(circle at 70% 78%, rgba(255,255,255,0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 15% 82%, rgba(255,255,255,0.9) 0 1.2px, transparent 2.2px),
    radial-gradient(circle at 42% 12%, rgba(255,255,255,0.95) 0 1px, transparent 2px),
    radial-gradient(circle at 88% 48%, rgba(255,255,255,0.85) 0 1px, transparent 2px),
    radial-gradient(circle at 12% 55%, rgba(255,255,255,0.75) 0 1px, transparent 2px);
}

.pagina-index-catalogo .space-right {
  background:
    radial-gradient(circle at 82% 20%, rgba(255, 90, 190, 0.46), transparent 18%),
    radial-gradient(circle at 58% 72%, rgba(150, 80, 255, 0.34), transparent 22%),
    radial-gradient(circle at 25% 34%, rgba(90, 220, 255, 0.20), transparent 18%),
    radial-gradient(circle at 75% 38%, rgba(255,255,255,0.95) 0 1.3px, transparent 2.4px),
    radial-gradient(circle at 40% 18%, rgba(255,255,255,0.85) 0 1px, transparent 2px),
    radial-gradient(circle at 30% 80%, rgba(255,255,255,0.75) 0 1px, transparent 2px),
    radial-gradient(circle at 88% 76%, rgba(255,255,255,0.9) 0 1.2px, transparent 2.2px),
    radial-gradient(circle at 62% 10%, rgba(255,255,255,0.95) 0 1px, transparent 2px),
    radial-gradient(circle at 12% 52%, rgba(255,255,255,0.8) 0 1px, transparent 2px),
    radial-gradient(circle at 92% 44%, rgba(255,255,255,0.75) 0 1px, transparent 2px);
}

@keyframes heroShootingStar {
  0%, 58%, 100% {
    opacity: 0;
    transform: translateX(0) translateY(0) rotate(-24deg);
  }
  64% {
    opacity: 1;
  }
  74% {
    opacity: 0;
    transform: translateX(520px) translateY(-210px) rotate(-24deg);
  }
}

@keyframes heroShootingStarReverse {
  0%, 38%, 100% {
    opacity: 0;
    transform: translateX(0) translateY(0) rotate(22deg);
  }
  45% {
    opacity: 1;
  }
  56% {
    opacity: 0;
    transform: translateX(-520px) translateY(-190px) rotate(22deg);
  }
}

/* ============================================================
   Estrellas fugaces visibles en la portada
   ============================================================ */

.pagina-index-catalogo .shooting-stars-index {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 2;
}

.pagina-index-catalogo .shooting-star-index {
  position: absolute;
  display: block;
  width: 190px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 1),
    rgba(255, 160, 220, 0.95),
    transparent
  );
  box-shadow:
    0 0 14px rgba(255, 255, 255, 0.95),
    0 0 28px rgba(255, 100, 200, 0.9),
    0 0 42px rgba(120, 220, 255, 0.45);
  opacity: 0;
}

/* Estrella 1 */
.pagina-index-catalogo .star-a {
  top: 16%;
  left: -12%;
  transform: rotate(-24deg);
  animation: shootingAcrossA 6s ease-in-out infinite;
}

/* Estrella 2 */
.pagina-index-catalogo .star-b {
  top: 32%;
  right: -15%;
  transform: rotate(24deg);
  animation: shootingAcrossB 8s ease-in-out infinite;
  animation-delay: 1.5s;
}

/* Estrella 3 */
.pagina-index-catalogo .star-c {
  top: 58%;
  left: -18%;
  transform: rotate(-20deg);
  animation: shootingAcrossA 9s ease-in-out infinite;
  animation-delay: 3s;
}

/* Estrella 4 */
.pagina-index-catalogo .star-d {
  top: 74%;
  right: -16%;
  transform: rotate(22deg);
  animation: shootingAcrossB 7s ease-in-out infinite;
  animation-delay: 4.3s;
}

/* Estrella 5 */
.pagina-index-catalogo .star-e {
  top: 10%;
  right: -20%;
  transform: rotate(18deg);
  animation: shootingAcrossB 11s ease-in-out infinite;
  animation-delay: 5.5s;
}

@keyframes shootingAcrossA {
  0%, 55%, 100% {
    opacity: 0;
    transform: translateX(0) translateY(0) rotate(-24deg);
  }

  62% {
    opacity: 1;
  }

  78% {
    opacity: 0;
    transform: translateX(135vw) translateY(-45vh) rotate(-24deg);
  }
}

@keyframes shootingAcrossB {
  0%, 50%, 100% {
    opacity: 0;
    transform: translateX(0) translateY(0) rotate(24deg);
  }

  58% {
    opacity: 1;
  }

  76% {
    opacity: 0;
    transform: translateX(-135vw) translateY(-42vh) rotate(24deg);
  }
}

/* Asegura que el contenido quede encima de las estrellas */
.pagina-index-catalogo main,
.pagina-index-catalogo .catalog-hero,
.pagina-index-catalogo h2,
.pagina-index-catalogo .disk-grid,
.pagina-index-catalogo .activity-grid,
.pagina-index-catalogo .tracer-gallery,
.pagina-index-catalogo .substructure-grid-clean,
.pagina-index-catalogo .dust-planets-section,
.pagina-index-catalogo .after-phase-section,
.pagina-index-catalogo .disk-evolution-section,
.pagina-index-catalogo .catalog-use-box,
.pagina-index-catalogo .substructure-gallery {
  position: relative;
  z-index: 5;
}

/* Ocultar título automático de Quarto en la portada */
.pagina-index-catalogo .quarto-title-block,
.pagina-index-catalogo header.quarto-title-block,
.pagina-index-catalogo .quarto-title,
.pagina-index-catalogo .quarto-title-banner {
  display: none !important;
}

/* Título interno más pequeño en Sobre el proyecto */
.pagina-sobre-proyecto .about-hero-title-small {
  font-size: clamp(2rem, 4.2vw, 4rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #fff7fb;
  max-width: 760px;
  margin: 1rem 0 1.4rem 0;
  padding: 0.75rem 1rem;
  border-radius: 18px;
  background: linear-gradient(
    135deg,
    rgba(255, 74, 170, 0.72),
    rgba(120, 50, 160, 0.35)
  );
  box-shadow:
    0 0 18px rgba(255, 83, 180, 0.22),
    inset 0 0 18px rgba(255, 255, 255, 0.04);
}