/* ========================================
   infrafi.map — Impact page styles
   ======================================== */

/* ---- Hero ---- */

.impact-hero {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}

.impact-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.impact-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.7;
}

/* ---- Section headings ---- */

.section-heading {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 4px;
}

.section-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* ---- Counters ---- */

.counters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 48px;
}

.counter-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color var(--transition);
}

.counter-card:hover {
  border-color: var(--border-light);
}

.counter-value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
}

.counter-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.counter-source {
  font-size: 0.6rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- Vertical Impact Cards ---- */

.impact-verticals {
  margin-bottom: 48px;
}

.vertical-cards {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.v-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.v-card:hover {
  border-color: var(--border-light);
}

.v-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  cursor: pointer;
  user-select: none;
}

.v-card-icon {
  flex-shrink: 0;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.v-card[data-vertical="Wireless"] .v-card-icon { color: #f472b6; }
.v-card[data-vertical="Compute"] .v-card-icon { color: #818cf8; }
.v-card[data-vertical="Sensors"] .v-card-icon { color: #34d399; }
.v-card[data-vertical="Energy"] .v-card-icon { color: #fbbf24; }
.v-card[data-vertical="Storage"] .v-card-icon { color: #a78bfa; }
.v-card[data-vertical="Bandwidth"] .v-card-icon { color: #22d3ee; }

.v-card-title {
  flex: 1;
  min-width: 0;
}

.v-card-name {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.v-card-stat {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.v-card-toggle {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: transform 200ms ease, color 200ms ease;
  font-weight: 300;
}

.v-card.open .v-card-toggle {
  transform: rotate(45deg);
  color: var(--accent);
}

/* Card body */
.v-card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 350ms ease, padding 200ms ease;
  padding: 0 20px;
}

.v-card.open .v-card-body {
  max-height: 1200px;
  padding: 0 20px 20px;
}

.v-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.impact-item {
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.impact-num {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.impact-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.v-card-quote {
  border-left: 2px solid var(--border-light);
  padding-left: 16px;
}

.v-card-quote blockquote {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 4px;
}

.v-card-quote cite {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-style: normal;
}

/* ---- Timeline ---- */

.timeline-section {
  margin-bottom: 48px;
}

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--border);
}

.tl-item {
  position: relative;
  padding-bottom: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.tl-item:last-child {
  padding-bottom: 0;
}

.tl-marker {
  position: absolute;
  left: -30px;
  top: 4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-light);
  border: 2px solid var(--bg);
  z-index: 1;
}

.tl-current .tl-marker {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-dim);
}

.tl-date {
  flex-shrink: 0;
  width: 70px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  padding-top: 1px;
  font-variant-numeric: tabular-nums;
}

.tl-current .tl-date {
  color: var(--accent);
}

.tl-content {
  flex: 1;
}

.tl-content strong {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.tl-content p {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 600px;
}

/* ---- Economic Impact ---- */

.econ-section {
  margin-bottom: 48px;
}

.econ-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.econ-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition);
}

.econ-card:hover {
  border-color: var(--border-light);
}

.econ-icon {
  color: var(--text-muted);
}

.econ-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.econ-label {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- Partnerships ---- */

.partnerships-section {
  margin-bottom: 48px;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 8px;
}

.partner-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.partner-card:hover {
  border-color: var(--accent);
}

.partner-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.partner-desc {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .impact-hero {
    padding: 24px 0;
  }

  .impact-title {
    font-size: 1.5rem;
  }

  .counters {
    grid-template-columns: repeat(2, 1fr);
  }

  .counter-value {
    font-size: 1.2rem;
  }

  .v-card-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 24px;
  }

  .tl-date {
    width: 58px;
    font-size: 0.65rem;
  }
}

@media (max-width: 480px) {
  .counters {
    grid-template-columns: 1fr;
  }

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

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