/* ==========================================================================
   IAT TRICHOLOGY - TIMELINE & TRAYECTORIA STYLESHEET
   Works alongside page-layout.css
   Palette: Primary Blue #29176b, Navy #1b0861, Lavender #d4d1e1, Slate #6d619a
   ========================================================================== */

:root {
  --iat-blue-primary: #151F6D;
  --iat-blue-dark: #0d1450;
  --iat-blue-light: #233194;
  --iat-blue-subtle: #f0f3fa;
  --iat-slate: #5a6682;
  --iat-lavender: #d4d1e1;
  --iat-gold: #c88a00;
  --iat-gold-light: #fef5d8;
  --iat-dark: #222222;
  --iat-text: #3d4655;
  --iat-text-muted: #667085;
  --iat-white: #ffffff;
  --iat-border-radius: 12px;
  --iat-shadow: 0 4px 18px rgba(21, 31, 109, 0.08);
  --iat-shadow-hover: 0 10px 30px rgba(21, 31, 109, 0.16);
  --iat-transition: all 0.25s ease-in-out;
}

/* ── TIMELINE INTRO CARD ─────────────────────────────────────────── */
.timeline-intro-card {
  background: #ffffff;
  padding: 22px 26px;
  border-radius: var(--iat-border-radius);
  margin-bottom: 24px;
  box-shadow: var(--iat-shadow);
  border-top: 3px solid var(--iat-blue-primary);
}

.timeline-intro-card p {
  color: var(--iat-text);
  font-size: 13px;
  line-height: 1.65;
  margin: 0;
}

/* ── QUICK NAVIGATION / YEAR SELECTOR PILLS ─────────────────────── */
.year-pills-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid #eeeeee;
}

.year-pills-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--iat-slate);
  margin-right: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.year-pill,
a.year-pill,
a.year-pill:link,
a.year-pill:visited {
  padding: 5px 13px;
  font-size: 12px;
  font-weight: 600;
  color: var(--iat-blue-primary) !important;
  background-color: var(--iat-blue-subtle);
  border: 1px solid #d8d2ea;
  border-radius: 20px;
  text-decoration: none;
  cursor: pointer;
  transition: var(--iat-transition);
}

.year-pill:hover,
.year-pill.active,
a.year-pill:hover,
a.year-pill.active {
  background-color: var(--iat-blue-primary);
  color: #ffffff !important;
  border-color: var(--iat-blue-primary);
  text-decoration: none;
}

.year-pill-featured {
  font-weight: 700;
  border-color: var(--iat-blue-primary);
}

/* ── TIMELINE CONTAINER & SPINE ──────────────────────────────────── */
.timeline-container {
  position: relative;
  padding: 10px 0 30px 0;
}

/* Vertical spine */
.timeline-container::before {
  content: '';
  position: absolute;
  top: 15px;
  bottom: 20px;
  left: 20px;
  width: 3px;
  background: linear-gradient(to bottom, var(--iat-blue-primary) 0%, #6d619a 85%, #d4d1e1 100%);
  border-radius: 2px;
}

/* Timeline Item Entry */
.timeline-item {
  position: relative;
  margin-bottom: 28px;
  padding-left: 50px;
  transition: var(--iat-transition);
}

/* Node indicator circle */
.timeline-node {
  position: absolute;
  left: 11px;
  top: 20px;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--iat-blue-primary);
  border: 4px solid #ffffff;
  box-shadow: 0 0 0 2px var(--iat-blue-primary), 0 2px 6px rgba(0, 0, 0, 0.2);
  z-index: 2;
  transition: var(--iat-transition);
}

.timeline-item:hover .timeline-node {
  transform: scale(1.2);
  background-color: var(--iat-gold);
  box-shadow: 0 0 0 2px var(--iat-gold), 0 3px 8px rgba(200, 138, 0, 0.4);
}

/* Timeline Card */
.timeline-card {
  background: #ffffff;
  border-radius: var(--iat-border-radius);
  padding: 22px 24px;
  box-shadow: var(--iat-shadow);
  border: 1px solid rgba(41, 23, 107, 0.08);
  transition: var(--iat-transition);
}

.timeline-card:hover {
  box-shadow: var(--iat-shadow-hover);
  transform: translateY(-2px);
  border-color: rgba(41, 23, 107, 0.2);
}

.card-accent {
  border-left: 4px solid var(--iat-blue-primary);
}

.card-featured {
  border-left: 5px solid var(--iat-blue-primary);
}

/* Badges */
.timeline-badge-group {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.badge-year {
  background: linear-gradient(135deg, var(--iat-blue-dark), var(--iat-blue-primary));
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
}

.badge-year-featured {
  background: var(--iat-blue-primary);
  font-size: 13px;
}

.badge-location {
  background: var(--iat-blue-subtle);
  color: var(--iat-blue-primary);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid #d4cde7;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge-highlight {
  background: var(--iat-gold-light);
  color: var(--iat-gold);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid #ffe194;
}

.badge-gold {
  background: #fef0cd;
  color: #9c6200;
}

/* Card Content */
.timeline-title {
  color: var(--iat-blue-primary);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 10px 0;
  line-height: 1.35;
}

.timeline-desc {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--iat-text);
  margin-bottom: 14px;
}

.timeline-desc:last-child {
  margin-bottom: 0;
}

.timeline-desc strong {
  color: var(--iat-blue-primary);
}

.timeline-desc-muted {
  font-size: 12px;
  color: #555555;
}

/* Media Showcase */
.timeline-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 15px;
  margin-bottom: 10px;
}

.timeline-media-single {
  margin-top: 15px;
  margin-bottom: 10px;
}

.timeline-img-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid #e2def0;
  background-color: #f7f6fc;
  cursor: pointer;
  transition: var(--iat-transition);
}

.timeline-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.timeline-img-wrap:hover {
  border-color: var(--iat-blue-primary);
  box-shadow: 0 4px 14px rgba(41, 23, 107, 0.15);
}

.timeline-img-wrap:hover img {
  transform: scale(1.02);
}

.timeline-img-caption {
  font-size: 11px;
  color: var(--iat-slate);
  padding: 6px 10px;
  background: #f9f8fd;
  border-top: 1px solid #eee;
  text-align: center;
  font-weight: 500;
}

/* Congress Callout Box */
.congress-callout {
  background: #f7f6fb;
  border-radius: 8px;
  padding: 18px 20px;
  border-left: 3px solid var(--iat-slate);
  margin-top: 15px;
}

.congress-callout-lead {
  color: var(--iat-blue-primary);
  font-weight: bold;
  font-size: 13.5px;
  margin-top: 0;
  line-height: 1.5;
}

/* Signature Block */
.signature-box {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed #d8d3e6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
}

.signature-info {
  font-size: 12px;
  line-height: 1.45;
  color: var(--iat-text);
}

.signature-info strong {
  font-size: 13px;
  color: var(--iat-blue-primary);
}

.signature-subtitle {
  font-size: 11px;
  color: #666666;
}

.signature-img-wrap img {
  max-width: 140px;
  height: auto;
  display: block;
}

/* Action Links */
.timeline-actions {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn-iat-outline,
a.btn-iat-outline,
a.btn-iat-outline:link,
a.btn-iat-outline:visited {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--iat-blue-primary) !important;
  background: transparent;
  border: 1.5px solid var(--iat-blue-primary);
  border-radius: 5px;
  text-decoration: none;
  transition: var(--iat-transition);
}

.btn-iat-outline:hover,
a.btn-iat-outline:hover {
  background: var(--iat-blue-primary);
  color: #ffffff !important;
  text-decoration: none;
}

/* ── LIGHTBOX MODAL ──────────────────────────────────────────────── */
.iat-modal {
  display: none;
  position: fixed;
  z-index: 99999;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(18, 8, 50, 0.88);
  backdrop-filter: blur(4px);
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
}

.iat-modal.open {
  display: flex;
  animation: fadeIn 0.2s ease-in-out;
}

.iat-modal-content {
  position: relative;
  max-width: 90%;
  max-height: 90vh;
  text-align: center;
}

.iat-modal-content img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.lightbox-caption {
  color: #ffffff;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 500;
}

.iat-modal-close {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 36px;
  height: 36px;
  background: var(--iat-blue-primary);
  color: #ffffff;
  border-radius: 50%;
  border: 2px solid #ffffff;
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: var(--iat-transition);
}

.iat-modal-close:hover {
  background: #cc0000;
  transform: scale(1.1);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ── RESPONSIVE TIMELINE ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .timeline-container::before {
    left: 15px;
  }

  .timeline-node {
    left: 6px;
  }

  .timeline-item {
    padding-left: 40px;
    margin-bottom: 22px;
  }

  .timeline-card {
    padding: 16px 18px;
  }

  .timeline-title {
    font-size: 15.5px;
  }
}