:root {
  --brand: #0ea5e9;
  --brand-dark: #0284c7;
  --ink: #0b1220;
  --muted: #64748b;
  --border: rgba(15, 23, 42, 0.12);
}

html {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  scroll-behavior: smooth;
}

body {
  color: var(--ink);
}

body.overflow-hidden,
body.modal-open {
  overflow: hidden;
}

.container-tight {
  width: min(92%, 1160px);
  margin: 0 auto;
}

.glass {
  backdrop-filter: saturate(160%) blur(16px);
  background: rgba(255, 255, 255, 0.75);
}

.shadow-soft {
  box-shadow: 0 20px 60px rgba(2, 6, 23, 0.08), 0 8px 24px rgba(2, 6, 23, 0.06);
}

.hero-grid {
  background:
    radial-gradient(1200px 580px at 85% -10%, rgba(14, 165, 233, 0.16), transparent 70%),
    radial-gradient(880px 420px at 10% 20%, rgba(14, 165, 233, 0.08), transparent 70%),
    linear-gradient(180deg, rgba(2, 6, 23, 0.02), transparent 45%);
}

.anchor-offset {
  scroll-margin-top: 96px;
}

.hero-figure {
  position: relative;
}

.hero-figure::before {
  content: '';
  position: absolute;
  inset: -24px;
  border-radius: 32px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.24), rgba(14, 165, 233, 0));
  filter: blur(16px);
  z-index: -1;
}

.hero-metrics {
  gap: 16px;
}

.hero-metrics dt {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(100, 116, 139, 0.9);
}

.hero-metrics dd {
  font-size: medium;
  line-height: 1.2;
  margin-top: 6px;
  font-weight: 700;
  color: var(--ink);
}

.tag-badge {
  box-shadow: inset 0 0 0 1px rgba(14, 165, 233, 0.28);
}

.card-hover {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.dropdown {
  position: relative;
}

.dropdown button {
  font-weight: 500;
}

.dropdown.open > button {
  color: #0f172a;
}

.dropdown button svg {
  transition: transform 0.18s ease;
}

.dropdown-panel {
  position: absolute;
  inset-inline-start: 0;
  top: calc(100% + 12px);
  min-width: 260px;
  border-radius: 16px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: #fff;
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.12);
  opacity: 0;
  transform: translateY(6px);
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  z-index: 40;
}

.dropdown.open .dropdown-panel {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
  pointer-events: auto;
}

.dropdown.open button svg {
  transform: rotate(180deg);
}

.dropdown-panel--wide {
  min-width: 520px;
}

.dropdown-menu {
  list-style: none;
  margin: 0;
  padding: 18px 20px;
  display: grid;
  gap: 10px;
}

.dropdown-menu-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(241, 245, 249, 0.6);
  color: rgba(15, 23, 42, 0.82);
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.dropdown-menu-link::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(14, 165, 233, 0.75);
  flex-shrink: 0;
}

.dropdown-menu-link:hover,
.dropdown-menu-link:focus-visible {
  background: rgba(14, 165, 233, 0.12);
  color: #0f172a;
  transform: translateX(2px);
  outline: none;
}

.equipment-dropdown {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(240px, 2fr);
  gap: 24px;
  padding: 22px 24px;
}

.equipment-categories {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.equipment-category {
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: rgba(241, 245, 249, 0.5);
  color: rgba(15, 23, 42, 0.75);
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.equipment-category:hover,
.equipment-category:focus-visible {
  border-color: rgba(14, 165, 233, 0.4);
  color: #0f172a;
  outline: none;
}

.equipment-category.active {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.16), rgba(14, 165, 233, 0.04));
  border-color: rgba(14, 165, 233, 0.4);
  color: #0f172a;
}

.equipment-lists {
  display: grid;
}

.equipment-list {
  display: none;
  gap: 10px;
}

.equipment-list.active {
  display: grid;
}

.mobile-accordion {
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 0 14px;
  background-color: #f8fafc;
}

.mobile-accordion summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  padding: 14px 0;
  cursor: pointer;
}

.mobile-accordion summary::after {
  content: '⌄';
  font-size: 0.9rem;
  color: rgba(15, 23, 42, 0.6);
  transition: transform 0.18s ease;
}

.mobile-accordion[open] summary::after {
  transform: rotate(180deg);
}

.mobile-accordion summary::-webkit-details-marker {
  display: none;
}

.mobile-accordion-panel {
  padding-bottom: 14px;
  display: grid;
  gap: 12px;
}

.mobile-subaccordion {
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background-color: #fff;
  padding: 0 12px;
}

.mobile-subaccordion summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  cursor: pointer;
  font-weight: 600;
  color: rgba(15, 23, 42, 0.75);
}

.mobile-subaccordion summary::after {
  content: '⌄';
  font-size: 0.9rem;
  color: rgba(15, 23, 42, 0.6);
  transition: transform 0.18s ease;
}

.mobile-subaccordion[open] summary::after {
  transform: rotate(180deg);
}

.mobile-subaccordion summary::-webkit-details-marker {
  display: none;
}

.mobile-subaccordion .mobile-sublist {
  padding-bottom: 12px;
}

.mobile-section-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(15, 23, 42, 0.55);
  margin-bottom: 6px;
}

.mobile-sublist {
  display: grid;
  gap: 8px;
}

.mobile-link,
.mobile-link-root {
  display: block;
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.8);
  text-decoration: none;
  padding: 6px 0;
}

.mobile-link:hover,
.mobile-link:focus-visible,
.mobile-link-root:hover,
.mobile-link-root:focus-visible {
  color: #0f172a;
  outline: none;
}

.mobile-link-root {
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 12px 14px;
  background-color: #f8fafc;
}

@media (max-width: 1024px) {
  .equipment-dropdown {
    grid-template-columns: 1fr;
  }

  .equipment-categories {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .equipment-category {
    flex: 1 1 calc(50% - 10px);
  }
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(8px);
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  width: min(100%, 420px);
  border-radius: 24px;
  background: #fff;
  padding: 28px;
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.2), 0 12px 32px rgba(15, 23, 42, 0.12);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: #fff;
  color: #0f172a;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.modal-close:hover,
.modal-close:focus-visible {
  background: rgba(148, 163, 184, 0.08);
  border-color: rgba(14, 165, 233, 0.4);
  outline: none;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #0f172a;
}

.modal-subtitle {
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.7);
  margin-bottom: 20px;
}

.modal-form .form-field {
  display: grid;
  gap: 6px;
}

.modal-form label {
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(15, 23, 42, 0.85);
}

.modal-form input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 12px 14px;
  font-size: 0.95rem;
  color: #0f172a;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.modal-form input:focus {
  outline: none;
  border-color: rgba(14, 165, 233, 0.9);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.18);
}

.modal-form button {
  margin-top: 8px;
  width: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  border-radius: 14px;
  background: #0f172a;
  color: #fff;
  font-weight: 600;
  padding: 12px 16px;
  transition: background 0.18s ease, transform 0.18s ease;
}

.modal-form button:hover,
.modal-form button:focus-visible {
  background: #101c3a;
  transform: translateY(-1px);
  outline: none;
}

.modal-footnote {
  margin-top: 12px;
  font-size: 0.75rem;
  color: rgba(100, 116, 139, 0.8);
  text-align: center;
}


.equipment-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.equipment-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-radius: 1.6rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background:
    linear-gradient(160deg, rgba(14, 165, 233, 0.08), transparent 65%),
    #ffffff;
  padding: 1.75rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  min-height: 100%;
}

.equipment-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 56px rgba(15, 23, 42, 0.12);
}

.equipment-icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.equipment-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
}

.equipment-card p {
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.7);
}

.equipment-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.equipment-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(15, 23, 42, 0.75);
  font-size: 0.9rem;
  transition: color 0.18s ease, transform 0.18s ease;
}

.equipment-links a::before {
  content: '•';
  color: currentColor;
  opacity: 0.5;
}

.equipment-links a:hover,
.equipment-links a:focus-visible {
  color: #0f172a;
  transform: translateX(2px);
  outline: none;
}

.equipment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 0.875rem;
  padding: 0.75rem 1.2rem;
  font-size: 0.95rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.95), rgba(56, 189, 248, 0.85));
  color: #fff;
  box-shadow: 0 14px 32px rgba(14, 165, 233, 0.22);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(14, 165, 233, 0.26);
  outline: none;
}

.btn-secondary {
  background: #fff;
  color: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.1);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(15, 23, 42, 0.05);
  border-color: rgba(14, 165, 233, 0.3);
  color: #0f172a;
  outline: none;
}

.equipment-accordion {
  display: none;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.equipment-item {
  border-radius: 1.5rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.equipment-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.3rem 1.6rem;
  font-weight: 600;
  color: #0f172a;
  transition: background 0.2s ease, color 0.2s ease;
}

.equipment-item summary::-webkit-details-marker {
  display: none;
}

.equipment-item summary:hover,
.equipment-item summary:focus-visible {
  background: rgba(14, 165, 233, 0.08);
  outline: none;
}

.equipment-item summary::after {
  content: '▾';
  font-size: 1rem;
  color: rgba(15, 23, 42, 0.45);
  transition: transform 0.2s ease;
}

.equipment-item[open] summary::after {
  transform: rotate(180deg);
}

.equipment-summary {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}

.equipment-panel {
  padding: 0 1.6rem 1.6rem;
  display: grid;
  gap: 1rem;
}

.equipment-panel p {
  margin: 0;
  font-size: 0.95rem;
  color: rgba(15, 23, 42, 0.7);
}

.equipment-panel .equipment-links {
  gap: 0.45rem;
}

.equipment-panel .equipment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (max-width: 1024px) {
  .equipment-grid {
    display: none;
  }

  .equipment-accordion {
    display: flex;
  }
}

@media (max-width: 768px) {
  .equipment-panel {
    padding: 0 1.2rem 1.2rem;
  }
}

.muted-border {
  border-color: var(--border);
}

.footer-list a {
  transition: color 0.2s ease;
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--ink);
}

@media (max-width: 1024px) {
  .anchor-offset {
    scroll-margin-top: 80px;
  }
}

@media (max-width: 768px) {
  .hero-grid {
    background:
      radial-gradient(820px 400px at 90% -20%, rgba(14, 165, 233, 0.18), transparent 68%),
      linear-gradient(180deg, rgba(2, 6, 23, 0.04), transparent 55%);
  }

  .topbar-stack {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .topbar-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .topbar-actions a {
    width: 100%;
    justify-content: center;
  }

  .anchor-offset {
    scroll-margin-top: 72px;
  }
}

@media (max-width: 480px) {
  .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}