/* ==========================================================================
   Services & Subservices Sidebar Navigation & Layout
   Sciematics Insights Design System
   ========================================================================== */

/* Layout wrapper */
.service-layout-wrap {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
  padding-top: 32px;
  padding-bottom: 80px;
}

/* Mobile trigger bar (hidden on desktop) */
.services-sidebar-mobile-bar {
  display: none;
}

.services-sidebar-backdrop {
  display: none;
}

/* Sidebar container */
.services-sidebar {
  position: sticky;
  top: 86px;
  max-height: calc(100vh - 106px);
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.services-sidebar::-webkit-scrollbar {
  width: 5px;
}

.services-sidebar::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 4px;
}

/* Sidebar header */
.services-sidebar-header {
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.sidebar-hub-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--teal);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.15s ease;
}

.sidebar-hub-link:hover,
.sidebar-hub-link:focus-visible {
  color: var(--ink);
}

.sidebar-hub-link svg {
  flex-shrink: 0;
}

.sidebar-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.sidebar-title {
  font-family: var(--head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.sidebar-search-box {
  position: relative;
  margin-top: 6px;
}

.sidebar-search-box svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.sidebar-search-input {
  width: 100%;
  padding: 7px 10px 7px 32px;
  font-family: var(--body);
  font-size: 0.82rem;
  color: var(--ink);
  background: var(--pale);
  border: 1px solid var(--line);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.sidebar-search-input:focus {
  border-color: var(--teal);
  background: var(--white);
  box-shadow: 0 0 0 2px rgba(0, 127, 136, 0.15);
}

.sidebar-search-input::placeholder {
  color: var(--muted);
}

/* Sidebar tree navigation */
.services-sidebar-tree {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-service-group {
  border-radius: 6px;
  transition: background 0.15s ease;
}

.sidebar-service-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  gap: 6px;
  transition: background 0.15s ease;
}

.sidebar-service-summary::-webkit-details-marker {
  display: none;
}

.sidebar-service-summary:hover {
  background: var(--pale);
}

.sidebar-service-summary-link {
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--head);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  min-width: 0;
}

.sidebar-service-summary-link:hover,
.sidebar-service-summary-link:focus-visible {
  color: var(--teal);
}

.sidebar-service-summary-link.is-current-page {
  color: var(--teal);
  font-weight: 700;
}

.sidebar-service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--teal);
  flex-shrink: 0;
}

.sidebar-service-icon svg {
  width: 16px;
  height: 16px;
}

.sidebar-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.sidebar-service-group[open] > .sidebar-service-summary .sidebar-chevron {
  transform: rotate(90deg);
}

/* Subservice list */
.sidebar-subservice-list {
  list-style: none;
  margin: 2px 0 6px 18px;
  padding: 0 0 0 10px;
  border-left: 1.5px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sidebar-subservice-link {
  display: block;
  font-size: 0.82rem;
  line-height: 1.35;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 5px;
  transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-subservice-link:hover,
.sidebar-subservice-link:focus-visible {
  background: var(--pale);
  color: var(--ink);
}

.sidebar-subservice-link.is-current-page {
  background: rgba(0, 127, 136, 0.1);
  color: var(--teal);
  font-weight: 600;
  border-left: 2px solid var(--teal);
  margin-left: -12px;
  padding-left: 10px;
}

.sidebar-no-results {
  font-size: 0.82rem;
  color: var(--muted);
  padding: 12px 8px;
  text-align: center;
}

/* Main content styling within service-layout-wrap */
.service-main-content {
  min-width: 0;
}

.service-main-content .subnav {
  position: sticky;
  top: 80px;
  z-index: 20;
  margin-bottom: 28px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 16px;
}

.service-main-content .subnav .wrap {
  width: 100%;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.service-main-content .subnav .wrap::-webkit-scrollbar {
  display: none;
}

.service-block {
  margin-bottom: 36px;
}

.service-block.pale {
  background: var(--pale);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.service-block.dark {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.service-block.dark .eyebrow {
  color: var(--aqua);
}

.service-block.dark h2,
.service-block.dark h3 {
  color: var(--white);
}

.service-block.dark p {
  color: rgba(255, 255, 255, 0.85);
}

.service-block .section-head {
  margin-bottom: 24px;
}

.service-block .cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.service-block .capability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* Tablet & Mobile responsive styles */
@media (max-width: 1023px) {
  .service-layout-wrap {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 16px;
    padding-bottom: 60px;
  }

  .services-sidebar-mobile-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--pale);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 10px 14px;
    margin-bottom: 18px;
    position: sticky;
    top: 76px;
    z-index: 30;
  }

  .sidebar-mobile-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 8px 14px;
    font-family: var(--head);
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--ink);
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
  }

  .sidebar-mobile-toggle:hover,
  .sidebar-mobile-toggle:focus-visible {
    border-color: var(--teal);
    color: var(--teal);
  }

  .sidebar-mobile-current {
    font-size: 0.82rem;
    color: var(--muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 50%;
  }

  /* Drawer presentation on mobile */
  .services-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: min(320px, 85vw);
    height: 100vh;
    max-height: 100vh;
    z-index: 1050;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--line);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
    padding: 20px 16px;
  }

  .services-sidebar.is-open {
    display: block;
  }

  .sidebar-mobile-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--pale);
    border: 1px solid var(--line);
    border-radius: 6px;
    font-size: 1.2rem;
    line-height: 1;
    color: var(--ink);
    cursor: pointer;
    margin-bottom: 12px;
  }

  .services-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(7, 30, 44, 0.6);
    z-index: 1040;
    backdrop-filter: blur(2px);
  }

  .services-sidebar-backdrop.is-visible {
    display: block;
  }

  .service-block.pale,
  .service-block.dark {
    padding: 24px 20px;
  }
}

@media (min-width: 1024px) {
  .sidebar-mobile-close {
    display: none;
  }
}