/* ============================================================
   Gestión de la Información y Gobernanza de Datos — EAFIT
   Design System v2
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Source+Code+Pro:wght@400;500&display=swap');

/* --- Design Tokens --- */
:root {
  --eafit-blue:       #003366;
  --eafit-blue-mid:   #00509e;
  --eafit-blue-light: #e8f0fb;
  --eafit-gold:       #f0a500;
  --eafit-gold-light: #fff8e6;
  --text-primary:     #1a1a2e;
  --text-secondary:   #4a5568;
  --text-muted:       #718096;
  --border:           #e2e8f0;
  --surface:          #f8fafc;
  --white:            #ffffff;
  --shadow-sm:        0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:        0 4px 16px rgba(0,51,102,0.10), 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg:        0 10px 40px rgba(0,51,102,0.14), 0 4px 12px rgba(0,0,0,0.08);
  --radius-sm:        6px;
  --radius-md:        12px;
  --radius-lg:        20px;
  --transition:       0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Typography --- */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  color: var(--eafit-blue);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.2rem; font-weight: 800; }
h2 { font-size: 1.6rem; margin-top: 2.5rem; }
h3 { font-size: 1.2rem; font-weight: 600; }

p { color: var(--text-secondary); margin-bottom: 1rem; }

a { color: var(--eafit-blue-mid); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--eafit-blue); text-decoration: underline; }

code, pre {
  font-family: 'Source Code Pro', 'Courier New', monospace;
  font-size: 0.88em;
}

/* --- Navbar --- */
.navbar {
  font-weight: 500;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
  padding: 0.6rem 0;
}

.navbar .navbar-brand {
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.navbar-nav .nav-link {
  padding: 0.4rem 0.9rem !important;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.navbar-nav .nav-link:hover {
  background: rgba(255,255,255,0.15);
}

/* --- Page Layout --- */
#quarto-content {
  padding-top: 0;
}

.quarto-title-block {
  margin-bottom: 2rem;
}

/* --- Hero Section (index page) --- */
.hero {
  background: linear-gradient(135deg, var(--eafit-blue) 0%, var(--eafit-blue-mid) 60%, #1a6bb5 100%);
  color: var(--white);
  padding: 5rem 3rem 4rem;
  margin: -1.5rem -1.5rem 3rem;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(240,165,0,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  color: var(--white);
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.hero .hero-subtitle {
  color: rgba(255,255,255,0.85);
  font-size: 1.15rem;
  font-weight: 400;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat .stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--eafit-gold);
  line-height: 1.1;
  display: block;
}

.hero-stat .stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* --- Unit Cards --- */
.unit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

.unit-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.unit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--eafit-blue), var(--eafit-blue-mid));
  opacity: 0;
  transition: opacity var(--transition);
}

.unit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.unit-card:hover::before {
  opacity: 1;
}

.unit-card .unit-number {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--eafit-blue-mid);
  margin-bottom: 0.5rem;
}

.unit-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
}

.unit-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.unit-card .unit-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-blue {
  background: var(--eafit-blue-light);
  color: var(--eafit-blue);
}

.badge-gold {
  background: var(--eafit-gold-light);
  color: #b37800;
}

.badge-percentage {
  background-color: var(--eafit-blue);
  color: white;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

/* --- Resource Cards (resources.qmd hub) --- */
.resource-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 1.5rem;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.resource-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--eafit-blue-mid);
}

.resource-card h3 {
  font-size: 1.15rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

/* --- Tables --- */
.table {
  font-size: 0.9rem;
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
}

.table thead th {
  background: var(--eafit-blue);
  color: var(--white);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.75rem 1rem;
  border: none;
}

.table thead th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.table thead th:last-child  { border-radius: 0 var(--radius-sm) 0 0; }

.table tbody tr {
  transition: background var(--transition);
}

.table tbody tr:nth-child(even) {
  background-color: var(--surface);
}

.table tbody tr:hover {
  background-color: var(--eafit-blue-light);
}

.table tbody td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-secondary);
}

.schedule-table td {
  vertical-align: middle;
  padding: 0.6rem 0.8rem;
}

/* --- Callouts --- */
.callout {
  border-radius: var(--radius-md);
  border: none;
  box-shadow: var(--shadow-sm);
  margin: 1.5rem 0;
}

.callout-note {
  background: var(--eafit-blue-light);
  border-left: 4px solid var(--eafit-blue) !important;
}

.callout-tip {
  background: #f0faf4;
  border-left: 4px solid #38a169 !important;
}

.callout-warning {
  background: var(--eafit-gold-light);
  border-left: 4px solid var(--eafit-gold) !important;
}

.callout-important {
  background: #fff5f5;
  border-left: 4px solid #e53e3e !important;
}

.callout .callout-title {
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
}

/* --- TOC (Table of Contents) --- */
#TOC {
  font-size: 0.85rem;
  border-left: 3px solid var(--eafit-blue-light);
  padding-left: 1rem;
}

#TOC .active {
  color: var(--eafit-blue);
  font-weight: 600;
}

/* --- Glossary definition lists --- */
dl dt {
  font-weight: 700;
  color: var(--eafit-blue);
  font-size: 0.95rem;
  margin-top: 1.5rem;
  padding-bottom: 0.2rem;
  border-bottom: 2px solid var(--eafit-blue-light);
}

dl dd {
  margin-left: 0;
  padding: 0.6rem 0 0.2rem 1rem;
  border-left: 3px solid var(--eafit-blue-light);
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.65;
}

/* --- Activity sections --- */
.activity {
  background: linear-gradient(135deg, var(--eafit-blue-light), #f0f7ff);
  border-radius: var(--radius-md);
  padding: 0.1rem 1.5rem 1rem;
  margin: 2rem 0;
  border: 1px solid rgba(0,80,158,0.15);
}

/* --- Page footer --- */
.nav-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 1.25rem 0;
}

/* --- Buttons / links in materials --- */
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--eafit-blue);
  color: var(--white) !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: background var(--transition), transform var(--transition);
}

.btn-primary-custom:hover {
  background: var(--eafit-blue-mid);
  transform: translateY(-1px);
}

/* --- Section dividers --- */
hr {
  border: none;
  border-top: 2px solid var(--eafit-blue-light);
  margin: 2.5rem 0;
}

/* --- Slides Embed --- */
.slides-container {
  margin: 1.5rem 0 2rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.slides-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--eafit-blue);
  padding: 0.55rem 1rem;
  gap: 1rem;
}

.slides-toolbar .slides-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.slides-toolbar .slides-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.slides-toolbar a {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: rgba(255,255,255,0.9);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.15);
  text-decoration: none;
  transition: background var(--transition);
}

.slides-toolbar a:hover {
  background: rgba(255,255,255,0.28);
  text-decoration: none;
  color: white;
}

.slides-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  background: #0a0a0a;
}

.slides-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.slides-tip {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 0.4rem 1rem;
  font-size: 0.76rem;
  color: var(--text-muted);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero {
    padding: 3rem 1.5rem 2.5rem;
    margin: -1rem -1rem 2rem;
  }
  .hero h1 { font-size: 1.9rem; }
  .hero-stats { gap: 1.5rem; }
  .unit-grid { grid-template-columns: 1fr; }
}