/* ============================================================
   Infrastructure Page Styles
   ============================================================ */

:root {
  --infra-primary:  #2e3192;
  --infra-accent:   #f39c12;
  --infra-light:    #f0f2ff;
  --infra-border:   #dde2f5;
  --infra-text:     #1c1f3a;
  --infra-muted:    #5a6380;
  --infra-white:    #ffffff;
  --infra-radius:   14px;
  --infra-shadow:   0 4px 24px rgba(46,49,146,.10);
}

/* ── Layout ─────────────────────────────────────── */
main {
  padding-top: 160px;
  background: #f4f5fb;
  min-height: 100vh;
}

/* ── Hero ───────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, #1a1e6e 0%, #2e3192 55%, #4a54c4 100%);
  padding: 72px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,.80);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.20);
  border-radius: 12px;
  padding: 20px 36px;
  backdrop-filter: blur(8px);
  min-width: 140px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--infra-accent);
  line-height: 1;
}

.stat-label {
  font-size: .82rem;
  color: rgba(255,255,255,.75);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: .6px;
}

/* ── Section wrapper ────────────────────────────── */
.content-section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 64px 24px;
}

.section-heading {
  text-align: center;
  margin-bottom: 48px;
}

.section-heading h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--infra-primary);
  margin-bottom: 10px;
}

.section-heading p {
  color: var(--infra-muted);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 20px;
  line-height: 1.7;
}

.divider {
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--infra-primary), var(--infra-accent));
  border-radius: 2px;
  margin: 0 auto;
}

/* ── Workspace amenity cards ────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
}

.info-card {
  background: var(--infra-white);
  border: 1px solid var(--infra-border);
  border-radius: var(--infra-radius);
  padding: 28px 22px;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
}

.info-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--infra-primary), var(--infra-accent));
  transform: scaleX(0);
  transition: transform .25s ease;
}

.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(46,49,146,.14);
  border-color: transparent;
}

.info-card:hover::after {
  transform: scaleX(1);
}

.info-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}

.info-title {
  font-size: .98rem;
  font-weight: 700;
  color: var(--infra-primary);
  margin-bottom: 8px;
}

.info-text {
  font-size: .84rem;
  color: var(--infra-muted);
  line-height: 1.65;
}

/* ── Labs section ───────────────────────────────── */
#labs {
  background: var(--infra-white);
  border-radius: 20px;
  box-shadow: var(--infra-shadow);
  padding: 56px 40px;
  max-width: 1240px;
  margin: 0 auto 64px;
}

.labs-wrapper {
  margin-top: 0;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
  border-bottom: 2px solid var(--infra-border);
  padding-bottom: 0;
}

.tab-btn {
  padding: 11px 26px;
  border: none;
  background: none;
  font-size: .9rem;
  font-weight: 600;
  color: var(--infra-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color .2s, border-color .2s;
  border-radius: 0;
}

.tab-btn.active,
.tab-btn:hover {
  color: var(--infra-primary);
  border-bottom-color: var(--infra-primary);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Lab cards grid */
.labs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.lab-card {
  background: var(--infra-light);
  border: 1px solid var(--infra-border);
  border-radius: 12px;
  padding: 22px 18px;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, background .22s ease;
  position: relative;
}

.lab-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(46,49,146,.13);
  background: var(--infra-primary);
}

.lab-card:hover .lab-count,
.lab-card:hover .lab-title,
.lab-card:hover .lab-text {
  color: #fff;
}

.lab-count {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  color: var(--infra-accent);
  background: rgba(243,156,18,.12);
  border-radius: 20px;
  padding: 3px 10px;
  margin-bottom: 10px;
  letter-spacing: .3px;
  transition: color .22s;
}

.lab-card:hover .lab-count {
  background: rgba(255,255,255,.2);
  color: var(--infra-accent);
}

.lab-title {
  font-size: .92rem;
  font-weight: 700;
  color: var(--infra-primary);
  margin-bottom: 6px;
  line-height: 1.35;
  transition: color .22s;
}

.lab-text {
  font-size: .78rem;
  color: var(--infra-muted);
  line-height: 1.5;
  transition: color .22s;
}

/* ── Equipment pills ────────────────────────────── */
.tools-panel {
  padding: 8px 0;
}

.tools-heading {
  margin-bottom: 28px;
}

.tools-heading h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--infra-primary);
  margin-bottom: 8px;
}

.tools-heading p {
  font-size: .88rem;
  color: var(--infra-muted);
  line-height: 1.65;
}

.tools-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tool-pill {
  background: var(--infra-light);
  border: 1.5px solid var(--infra-border);
  color: var(--infra-primary);
  font-size: .82rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 30px;
  cursor: default;
  transition: background .18s, border-color .18s, color .18s;
}

.tool-pill:hover {
  background: var(--infra-primary);
  border-color: var(--infra-primary);
  color: #fff;
}

/* ── Card hint label ────────────────────────────── */
.card-hint {
  display: inline-block;
  margin-top: 12px;
  font-size: .74rem;
  font-weight: 600;
  color: var(--infra-accent);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity .2s, transform .2s;
}

.info-card:hover .card-hint {
  opacity: 1;
  transform: translateX(0);
}

/* ── Modal ──────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10,12,40,.55);
  backdrop-filter: blur(4px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}

.modal-backdrop.show {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--infra-white);
  border-radius: 18px;
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0,0,0,.22);
  transform: translateY(16px) scale(.97);
  transition: transform .25s ease;
}

.modal-backdrop.show .modal {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 28px 20px;
  border-bottom: 1px solid var(--infra-border);
  position: sticky;
  top: 0;
  background: var(--infra-white);
  border-radius: 18px 18px 0 0;
  z-index: 1;
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--infra-primary);
  margin-bottom: 4px;
}

.modal-header p {
  font-size: .84rem;
  color: var(--infra-muted);
}

.modal-close {
  background: var(--infra-light);
  border: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--infra-text);
  transition: background .18s;
}

.modal-close:hover {
  background: #dde2f5;
}

.modal-body {
  padding: 24px 28px 32px;
  font-size: .9rem;
  color: var(--infra-text);
  line-height: 1.75;
}

.modal-body p { margin-bottom: 14px; }

.modal-body ul {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-body li { color: var(--infra-muted); }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 768px) {
  main { padding-top: 130px; }

  .hero { padding: 52px 20px 60px; }

  .hero-stats { gap: 16px; }
  .stat { padding: 16px 24px; min-width: 110px; }

  .content-section { padding: 48px 16px; }

  #labs { padding: 36px 20px; border-radius: 14px; }

  .tabs { overflow-x: auto; padding-bottom: 0; }
  .tab-btn { white-space: nowrap; padding: 10px 18px; }

  .labs-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }

  .modal-header, .modal-body { padding-left: 20px; padding-right: 20px; }
}