:root {
  --primary-color: #0f4c81;
  /* Classic Blue */
  --accent-color: #ff7a18;
  /* Orange */
  --text-color: #333333;
  --text-light: #666666;
  --bg-color: #f7f9fc;
  --card-bg: #ffffff;
  --border-radius: 12px;
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.15);
  --font-heading: 'Merriweather', serif;
  --font-body: 'Roboto', sans-serif;
  --spacing-section: 60px;
  --modal-z-index: 1000;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.vnb-interactive {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  position: relative;
  /* overflow: hidden; Removed to allow modal full screen */
}

/* Typography */
h1,
h2,
h3 {
  font-family: var(--font-heading);
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.section-title {
  font-size: 28px;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--accent-color);
  border-radius: 2px;
}

/* Old subtitle rule removed */

/* HERO SECTION */
.hero-section {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, #ffffff 0%, #eef2f5 100%);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-section);
}

.hero-title {
  font-size: 36px;
  line-height: 1.3;
  margin-bottom: 30px;
}

.highlight-text {
  color: var(--accent-color);
  font-weight: 700;
  font-size: 1.2em;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  margin-top: 30px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
}

.stat-label {
  font-size: 16px;
  color: var(--text-light);
  margin-top: 5px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-separator {
  width: 2px;
  height: 60px;
  background-color: #ddd;
}

.hero-subtitle {
  margin-top: 40px;
  color: var(--text-light);
  font-style: italic;
  font-size: 14px;
}

/* LIST SECTION */
.list-section {
  margin-bottom: var(--spacing-section);
}

.info-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.info-card {
  flex: 1 1 300px;
  max-width: 380px;
  width: 100%;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: 25px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #eee;
  display: flex;
  flex-direction: column;
  gap: 15px;
  position: relative;
  overflow: hidden;
}

.info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.card-icon {
  color: var(--accent-color);
  background: rgba(255, 122, 24, 0.1);
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
}

.card-content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--primary-color);
  min-height: 54px;
  /* Align titles usually 2 lines */
}

.card-data {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.data-row {
  font-size: 14px;
  display: flex;
  justify-content: space-between;
}

.data-row .label {
  color: var(--text-light);
}

.data-row .value {
  font-weight: 700;
  color: var(--text-color);
}

/* Subtitles Highlighting */
.section-title .subtitle {
  display: block;
  font-family: var(--font-body);
  font-size: 20px;
  color: #e74c3c;
  /* Red color */
  font-weight: 700;
  margin-top: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Modal Trigger Specifics */
.modal-trigger {
  cursor: pointer;
}

.modal-trigger::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 76, 129, 0.0);
  transition: background 0.3s;
}

.modal-trigger:hover::after {
  background: rgba(15, 76, 129, 0.02);
}

.click-hint {
  display: block;
  margin-top: auto;
  padding-top: 15px;
  font-size: 13px;
  color: var(--accent-color);
  font-weight: 700;
  text-align: center;
  opacity: 1;
  /* Always visible */
  transform: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* FOOTER */
.main-footer {
  text-align: center;
  color: var(--text-light);
  font-size: 14px;
  border-top: 1px solid #ddd;
  padding-top: 20px;
  margin-bottom: 20px;
}

/* ANIMATIONS */
.fade-in {
  opacity: 0;
  animation: fadeIn 1s forwards;
}

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

.scroll-trigger {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-trigger.visible {
  opacity: 1;
  transform: translateY(0);
}

/* MODAL STYLES */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: var(--modal-z-index);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  backdrop-filter: blur(4px);
  padding: 20px;
}

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

.modal-container {
  background: #fff;
  width: 100%;
  max-width: 600px;
  border-radius: var(--border-radius);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 15px;
  right: 15px;
  background: transparent;
  border: none;
  font-size: 28px;
  line-height: 1;
  color: #999;
  cursor: pointer;
  z-index: 10;
  transition: color 0.2s;
}

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

.modal-header {
  padding: 24px 24px 0 24px;
}

.modal-header h3 {
  margin: 0;
  padding-right: 20px;
  font-size: 22px;
  color: var(--primary-color);
}

.modal-body {
  padding: 24px;
  color: var(--text-color);
  font-size: 16px;
  line-height: 1.7;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-title {
    font-size: 24px;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 32px;
  }

  .stat-separator {
    height: 40px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .card-content h3 {
    min-height: auto;
  }

  .section-title {
    font-size: 24px;
  }

  .section-title .subtitle {
    font-size: 14px;
  }
}