:root {
    --midnight-navy: #0B1F33;
    --slate-grey: #2F3A44;
    --muted-teal: #2C7A7B;
    --teal-hover: #236363;
    --light-bg: #F8F9FA;
    --white: #FFFFFF;
    --border-color: #E2E8F0;
    --text-primary: #0B1F33;
    --text-secondary: #2F3A44;
    --text-muted: #64748B;
    --accent-amber: #D97706;
    --teal-10: rgba(44, 122, 123, 0.10);
    --teal-5: rgba(44, 122, 123, 0.05);
    --navy-gradient: linear-gradient(135deg, #0B1F33 0%, #0F2940 50%, #122E45 100%);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }

  body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.8;
    color: var(--text-secondary);
    background: var(--white);
    font-size: 16px;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
  }

  .container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* Site Navigation */
  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--midnight-navy);
    border-bottom: 2px solid var(--muted-teal);
  }

  .site-nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 32px;
    max-width: 1100px;
    margin: 0 auto;
  }

  .site-nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--white);
  }

  .site-nav-logo-img {
    height: 57px;
    width: auto;
  }

  .site-footer-logo-img {
    height: 44px;
    width: auto;
  }

  .site-nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
  }

  .site-nav-links > a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
  }

  .site-nav-links > a:hover {
    color: var(--white);
  }

  .nav-login-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1.5px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.7);
    transition: all 0.2s ease;
    margin-left: 4px;
  }
  .nav-login-icon:hover {
    border-color: rgba(255,255,255,0.6);
    color: var(--white);
    background: rgba(255,255,255,0.08);
  }

  .site-nav-divider {
    width: 1px;
    height: 24px;
    background: rgba(255,255,255,0.15);
    margin-left: 8px;
    flex-shrink: 0;
  }

  .site-nav-portal-link {
    color: rgba(255,255,255,0.5) !important;
    font-size: 11px !important;
    font-weight: 500 !important;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
  }
  .site-nav-portal-link:hover {
    color: rgba(255,255,255,0.85) !important;
  }

  .site-nav-cta {
    background: var(--muted-teal) !important;
    color: var(--white) !important;
    padding: 10px 22px;
    border-radius: 4px;
    font-weight: 500;
  }

  .site-nav-cta:hover {
    background: var(--teal-hover) !important;
  }

  /* Dropdown Navigation */
  .nav-dropdown {
    position: relative;
  }

  .nav-dropdown-trigger {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
  }

  .nav-dropdown-trigger:hover {
    color: var(--white);
  }

  .dropdown-arrow {
    font-size: 0.625rem;
    transition: transform 0.2s ease;
  }

  .nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 0;
    min-width: 200px;
    box-shadow: 0 8px 30px rgba(11, 31, 51, 0.12);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    transform: translateX(-50%) translateY(4px);
  }

  .nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }

  .nav-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
  }

  .nav-dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .nav-dropdown-menu a:hover {
    background: var(--light-bg);
    color: var(--muted-teal);
  }

  /* Mobile Menu */
  .site-mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
  }

  .site-nav-links.mobile-open {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--midnight-navy);
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    z-index: 1000;
    padding: 80px 24px 24px;
    overflow-y: auto;
  }

  .site-nav-links.mobile-open > a,
  .site-nav-links.mobile-open .nav-dropdown-trigger {
    font-size: 1.125rem;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .site-nav-links.mobile-open .nav-dropdown-menu {
    position: static;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0 16px;
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease;
  }

  .site-nav-links.mobile-open .nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    max-height: 400px;
  }

  .site-nav-links.mobile-open .nav-dropdown-menu a {
    color: rgba(255,255,255,0.65);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }

  .site-nav-links.mobile-open .nav-dropdown-menu a:hover {
    background: transparent;
    color: var(--white);
  }

  .site-nav-links.mobile-open .site-nav-cta {
    margin-top: 16px;
    text-align: center;
    display: block;
  }

  .site-nav-links.mobile-open .site-nav-divider {
    display: none;
  }

  .site-nav-links.mobile-open .site-nav-portal-link {
    font-size: 0.875rem !important;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    text-align: left;
    letter-spacing: 0.3px;
  }

  .site-mobile-menu-btn.active {
    position: fixed;
    top: 18px;
    right: 32px;
  }

  /* Page Hero */
  .page-hero {
    padding: 160px 0 80px;
    background: var(--white);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
  }

  .page-hero-with-visual {
    background:
      radial-gradient(circle at top right, rgba(44, 122, 123, 0.10), transparent 34%),
      linear-gradient(180deg, #F8FBFC 0%, #FFFFFF 74%);
  }

  .page-hero-shell {
    max-width: 760px;
    margin: 0 auto;
  }

  .page-hero-shell-visual {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: center;
    text-align: left;
  }

  .page-hero-copy,
  .page-hero-visual {
    min-width: 0;
  }

  .page-hero-label {
    display: inline-block;
    background: var(--light-bg);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted-teal);
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
  }

  .page-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--midnight-navy);
    line-height: 1.15;
    letter-spacing: -0.035em;
    margin-bottom: 20px;
  }

  .page-hero p {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.8;
  }

  .page-hero-with-visual .page-hero-label {
    margin-bottom: 20px;
  }

  .page-hero-with-visual .page-hero p {
    margin: 0;
  }

  .hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 32px;
  }

  .page-hero-with-visual .hero-actions {
    justify-content: flex-start;
  }

  .hero-actions-centered {
    margin-top: 24px;
  }

  .btn-primary,
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  }

  .btn-primary {
    background: var(--muted-teal);
    color: var(--white);
    border: 1px solid var(--muted-teal);
  }

  .btn-primary:hover {
    background: var(--teal-hover);
    border-color: var(--teal-hover);
  }

  .btn-secondary {
    background: var(--white);
    color: var(--midnight-navy);
    border: 1px solid var(--border-color);
  }

  .btn-secondary:hover {
    border-color: var(--muted-teal);
    color: var(--muted-teal);
  }

  .btn-secondary-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.28);
  }

  .btn-secondary-light:hover {
    border-color: rgba(255,255,255,0.6);
    color: var(--white);
  }

  /* Content Sections */
  .page-section {
    padding: 100px 0;
  }

  .page-section-compact {
    padding: 72px 0;
  }

  .page-section:nth-child(even) {
    background: var(--light-bg);
  }

  .page-section-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted-teal);
    margin-bottom: 12px;
  }

  .page-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--midnight-navy);
    margin-bottom: 16px;
    letter-spacing: -0.03em;
    line-height: 1.2;
  }

  .page-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--midnight-navy);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
  }

  .page-section p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 16px;
  }

  .section-intro {
    max-width: 700px;
    margin-bottom: 60px;
  }

  .section-intro p {
    color: var(--text-muted);
    font-size: 1.0625rem;
  }

  /* Cards */
  .page-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 36px;
    transition: box-shadow 0.2s ease;
  }

  .page-card:hover {
    box-shadow: 0 4px 20px rgba(11, 31, 51, 0.06);
  }

  .page-card-icon {
    width: 48px;
    height: 48px;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--muted-teal);
  }

  .page-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--midnight-navy);
    margin-bottom: 10px;
  }

  .page-card p {
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 0;
  }

  .page-card-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted-teal);
    margin-bottom: 12px;
  }

  .page-card-list {
    margin: 16px 0 0;
    padding-left: 18px;
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.7;
  }

  .page-card-list li {
    margin-bottom: 8px;
  }

  .page-card-action {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    color: var(--muted-teal);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
  }

  .page-card-action:hover {
    color: var(--teal-hover);
  }

  .product-visual {
    margin: 0;
  }

  .product-visual-frame {
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 28px 70px rgba(11, 31, 51, 0.14);
  }

  .product-visual-toolbar {
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 16px;
    background: linear-gradient(180deg, #F8FBFD 0%, #EEF3F8 100%);
    border-bottom: 1px solid rgba(148, 163, 184, 0.22);
  }

  .product-visual-dots {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .product-visual-dots span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #CFD8E3;
  }

  .product-visual-toolbar-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
  }

  .product-visual-screen {
    position: relative;
    background: #E8EEF5;
    overflow: hidden;
  }

  .product-visual-image {
    display: block;
    width: 100%;
    height: auto;
  }

  .product-visual-chips {
    position: absolute;
    left: 16px;
    bottom: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-width: calc(100% - 32px);
  }

  .product-visual-chip {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(11, 31, 51, 0.78);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    backdrop-filter: blur(10px);
  }

  .product-visual-caption {
    margin-top: 16px;
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.7;
  }

  .product-visual-caption-eyebrow {
    display: block;
    margin-bottom: 6px;
    color: var(--muted-teal);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .product-visual-hero,
  .product-visual-feature {
    max-width: 980px;
    margin: 0 auto;
  }

  .product-visual-secondary {
    max-width: 920px;
    margin: 0 auto;
  }

  .product-visual-feature .product-visual-screen,
  .product-visual-secondary .product-visual-screen {
    max-height: 760px;
  }

  .product-visual-tall-crop .product-visual-screen,
  .product-visual-hero-overview .product-visual-screen {
    max-height: 620px;
  }

  .page-section-visual .container,
  .section-visual-wrap {
    position: relative;
  }

  .section-visual-wrap {
    margin-top: 40px;
  }

  .proof-item-visual {
    padding: 0;
    overflow: hidden;
  }

  .proof-item-media {
    aspect-ratio: 4 / 3;
    background: #E8EEF5;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
  }

  .proof-item-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top left;
  }

  .proof-item-copy {
    padding: 24px 28px 28px;
  }

  .product-collage {
    position: relative;
    min-height: 620px;
  }

  .product-collage-main {
    position: relative;
    width: 84%;
    z-index: 2;
  }

  .product-collage-secondary {
    position: absolute;
    right: 0;
    bottom: 84px;
    width: 56%;
    z-index: 3;
  }

  .product-collage-floating {
    position: absolute;
    left: 36px;
    bottom: -12px;
    width: 42%;
    z-index: 4;
  }

  .product-visual-floating .product-visual-frame {
    box-shadow: 0 24px 55px rgba(11, 31, 51, 0.18);
  }

  .product-visual-collage .product-visual-caption {
    display: none;
  }

  .page-note {
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 0.875rem;
  }

  .proof-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }

  .proof-item {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 28px;
  }

  .proof-item h3 {
    font-size: 1rem;
    margin-bottom: 10px;
  }

  .proof-item p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0;
  }

  .homepage-stat-row {
    margin-top: 28px;
  }

  .page-hero-with-visual .homepage-stat-row {
    margin: 32px 0 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-hero-with-visual .homepage-stat-row .stat-item {
    text-align: left;
    padding: 22px 24px;
    background: rgba(255,255,255,0.94);
    border: 1px solid rgba(44, 122, 123, 0.15);
    border-left: 3px solid var(--muted-teal);
    border-radius: 10px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(11, 31, 51, 0.07);
  }
  .page-hero-with-visual .homepage-stat-row .stat-value {
    font-size: 2.5rem;
  }

  /* Grid Layouts */
  .grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  /* Stats */
  .stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 32px;
    margin: 48px 0;
  }

  .stat-item {
    text-align: center;
    padding: 24px;
  }

  .stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--muted-teal);
    margin-bottom: 6px;
    letter-spacing: -0.02em;
  }

  .stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 400;
  }

  /* Tier Badge */
  .tier-badge {
    display: inline-block;
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 16px;
  }

  .tier-badge-network {
    background: #E8F5E9;
    color: #2E7D32;
  }

  .tier-badge-platform {
    background: #E3F2FD;
    color: #1565C0;
  }

  .tier-badge-equity {
    background: #F3E5F5;
    color: #7B1FA2;
  }

  /* Team Cards */
  .team-card {
    text-align: center;
    padding: 40px 24px;
  }

  .team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--light-bg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--muted-teal);
  }

  .team-card h3 {
    font-size: 1.0625rem;
    margin-bottom: 4px;
  }

  .team-role {
    font-size: 0.8125rem;
    color: var(--muted-teal);
    font-weight: 500;
    margin-bottom: 12px;
  }

  .team-card p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.7;
  }

  /* Timeline */
  .journey-timeline {
    position: relative;
    padding-left: 40px;
  }

  .journey-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
  }

  .journey-step {
    position: relative;
    margin-bottom: 48px;
  }

  .journey-step::before {
    content: '';
    position: absolute;
    left: -33px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--muted-teal);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 2px var(--muted-teal);
  }

  .journey-step h3 {
    margin-bottom: 8px;
  }

  .journey-step p {
    color: var(--text-muted);
    font-size: 0.9375rem;
  }

  /* Embedded Calculator */
  .embedded-calc {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 36px;
    margin-bottom: 24px;
  }

  .embedded-calc h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--midnight-navy);
    margin-bottom: 8px;
  }

  .embedded-calc .calc-desc {
    color: var(--text-muted);
    font-size: 0.9375rem;
    margin-bottom: 24px;
  }

  .embedded-calc .form-group {
    margin-bottom: 20px;
  }

  .embedded-calc label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
  }

  .embedded-calc input[type="number"],
  .embedded-calc input[type="text"],
  .embedded-calc select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--white);
    transition: border-color 0.2s ease;
  }

  .embedded-calc input:focus,
  .embedded-calc select:focus {
    outline: none;
    border-color: var(--muted-teal);
    box-shadow: 0 0 0 3px rgba(44, 122, 123, 0.12);
  }

  .embedded-calc .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
  }

  .embedded-calc button {
    background: var(--muted-teal);
    color: var(--white);
    border: none;
    padding: 12px 28px;
    font-size: 0.9375rem;
    font-weight: 500;
    font-family: inherit;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
  }

  .embedded-calc button:hover {
    background: var(--teal-hover);
  }

  .embedded-calc .results {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 24px;
    margin-top: 24px;
  }

  .embedded-calc .results h4 {
    color: var(--midnight-navy);
    margin-bottom: 12px;
    font-size: 1rem;
  }

  .embedded-calc .result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
  }

  .embedded-calc .result-item:last-child {
    border-bottom: none;
  }

  .embedded-calc .result-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
  }

  .embedded-calc .result-value {
    font-weight: 600;
    color: var(--midnight-navy);
  }

  .embedded-calc .result-value.highlight {
    color: var(--muted-teal);
    font-size: 1.0625rem;
  }

  .embedded-calc .disclaimer {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--slate-grey);
    border-radius: 4px;
    padding: 14px 18px;
    margin-top: 20px;
  }

  .embedded-calc .disclaimer h4 {
    color: var(--slate-grey);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
  }

  .embedded-calc .disclaimer p {
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.6;
    margin-bottom: 0;
  }

  /* CTA Section */
  .cta-section {
    background: var(--midnight-navy);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
  }

  .cta-section h2 {
    color: var(--white);
    margin-bottom: 16px;
  }

  .cta-section p {
    color: rgba(255,255,255,0.65);
    max-width: 560px;
    margin: 0 auto 32px;
  }

  .cta-section .btn-primary {
    display: inline-block;
    background: var(--muted-teal);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: background 0.2s ease;
  }

  .cta-section .btn-primary:hover {
    background: var(--teal-hover);
  }

  /* Fade Animations */
  .fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .fade-in.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* Hero entrance animation */
  .hero-entrance .page-hero-label {
    opacity: 0;
    transform: translateY(16px);
    animation: heroFadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
  }
  .hero-entrance h1 {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.2s forwards;
  }
  .hero-entrance .page-hero-copy > p {
    opacity: 0;
    transform: translateY(16px);
    animation: heroFadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
  }
  .hero-entrance .homepage-stat-row {
    opacity: 0;
    transform: translateY(16px);
    animation: heroFadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.45s forwards;
  }
  .hero-entrance .hero-actions {
    opacity: 0;
    transform: translateY(16px);
    animation: heroFadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.55s forwards;
  }
  .hero-entrance .page-hero-visual {
    opacity: 0;
    transform: translateY(30px) scale(0.97);
    animation: heroVisualIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.4s forwards;
  }
  @keyframes heroFadeUp {
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes heroVisualIn {
    to { opacity: 1; transform: translateY(0) scale(1); }
  }

  /* Trust / credential band */
  .trust-band {
    background: var(--midnight-navy);
    padding: 36px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .trust-band-label {
    text-align: center;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.35);
    margin-bottom: 20px;
  }
  .trust-band-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
  }
  .trust-band-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.5);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    line-height: 1.4;
  }
  .trust-band-badge svg {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    opacity: 0.5;
    stroke: rgba(255,255,255,0.55);
  }
  .trust-band-partner-logo {
    height: 28px;
    width: auto;
    opacity: 0.5;
    flex-shrink: 0;
    filter: brightness(1.2);
  }

  /* Stock section visuals */
  .section-accent-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 40px;
    opacity: 0.9;
  }

  /* Staggered card animations */
  .grid-2 .page-card,
  .grid-3 .page-card,
  .grid-4 .page-card,
  .proof-grid .proof-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s ease, border-color 0.25s ease;
  }
  .fade-in.visible .page-card,
  .fade-in.visible .proof-item {
    opacity: 1;
    transform: translateY(0);
  }
  .fade-in.visible .page-card:nth-child(1),
  .fade-in.visible .proof-item:nth-child(1) { transition-delay: 0s; }
  .fade-in.visible .page-card:nth-child(2),
  .fade-in.visible .proof-item:nth-child(2) { transition-delay: 0.08s; }
  .fade-in.visible .page-card:nth-child(3),
  .fade-in.visible .proof-item:nth-child(3) { transition-delay: 0.16s; }
  .fade-in.visible .page-card:nth-child(4),
  .fade-in.visible .proof-item:nth-child(4) { transition-delay: 0.24s; }
  .fade-in.visible .page-card:nth-child(5) { transition-delay: 0.32s; }
  .fade-in.visible .page-card:nth-child(6) { transition-delay: 0.40s; }

  /* Enhanced card hover */
  .page-card {
    transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  }
  .page-card:hover {
    box-shadow: 0 8px 32px rgba(11, 31, 51, 0.09);
    border-color: rgba(44, 122, 123, 0.22);
    transform: translateY(-3px);
  }

  /* Enhanced proof-item hover */
  .proof-item {
    transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  }
  .proof-item:hover {
    box-shadow: 0 8px 28px rgba(11, 31, 51, 0.08);
    border-color: rgba(44, 122, 123, 0.18);
    transform: translateY(-2px);
  }

  /* Card action arrow */
  .page-card-action::after {
    content: '\2192';
    display: inline-block;
    transition: transform 0.2s ease;
  }
  .page-card:hover .page-card-action::after {
    transform: translateX(4px);
  }

  /* CTA section gradient polish */
  .cta-section {
    background: linear-gradient(135deg, var(--midnight-navy) 0%, #0F2940 50%, #122E45 100%);
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(44, 122, 123, 0.12) 0%, transparent 70%);
    pointer-events: none;
  }

  /* Section accent line */
  .section-intro::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--muted-teal);
    border-radius: 2px;
    margin-top: 20px;
    opacity: 0.6;
  }

  /* Refined hero gradient */
  .page-hero-with-visual {
    background:
      radial-gradient(circle at 85% 15%, rgba(44, 122, 123, 0.08), transparent 40%),
      radial-gradient(circle at 10% 80%, rgba(44, 122, 123, 0.04), transparent 35%),
      linear-gradient(180deg, #F8FBFC 0%, #FFFFFF 74%);
  }

  /* Product visual subtle float */
  .page-hero-visual .product-visual-hero {
    animation: gentleFloat 6s ease-in-out infinite;
  }
  @keyframes gentleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
  }

  /* Footer */
  .site-footer {
    background: var(--midnight-navy);
    color: rgba(255,255,255,0.65);
    padding: 80px 0 40px;
  }

  .site-footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
  }

  .site-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .site-footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 16px;
  }

  .site-footer-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
  }

  .site-footer-col h4 {
    color: var(--white);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
  }

  .site-footer-col a {
    display: block;
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 5px 0;
    transition: color 0.2s ease;
  }

  .site-footer-col a:hover {
    color: var(--white);
  }

  .site-footer-address {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    margin-bottom: 20px;
  }
  .site-footer-address p {
    color: rgba(255,255,255,0.5);
    font-size: 0.75rem;
    line-height: 1.6;
    margin-bottom: 8px;
  }
  .site-footer-address p:first-child {
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    font-size: 0.8125rem;
    margin-bottom: 10px;
  }

  .site-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
  }

  .site-footer-legal {
    display: flex;
    gap: 24px;
  }

  .site-footer-legal a {
    color: rgba(255,255,255,0.4);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .site-footer-legal a:hover {
    color: var(--white);
  }

  /* Section background variants — compound selector overrides nth-child(even) */
  .page-section.page-section-tinted {
    background: var(--light-bg);
    border-top: 1px solid var(--border-color);
  }

  .page-section.page-section-navy {
    background: var(--navy-gradient);
    position: relative;
    overflow: hidden;
  }
  .page-section-navy::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--teal-10) 0%, transparent 70%);
    pointer-events: none;
  }
  .page-section-navy .section-intro,
  .page-section-navy h2,
  .page-section-navy h3 {
    color: var(--white);
  }
  .page-section-navy .section-intro p,
  .page-section-navy p {
    color: rgba(255,255,255,0.65);
  }
  .page-section-navy .page-section-label {
    color: rgba(44, 122, 123, 0.9);
  }
  .page-section-navy .section-intro::after {
    background: rgba(44, 122, 123, 0.5);
  }

  .page-section.page-section-gradient {
    background:
      radial-gradient(circle at 80% 20%, var(--teal-5), transparent 50%),
      linear-gradient(180deg, var(--light-bg) 0%, var(--white) 100%);
  }

  /* Card accent borders */
  .page-card-accent-teal { border-left: 3px solid var(--muted-teal); }
  .page-card-accent-navy { border-left: 3px solid var(--midnight-navy); }
  .page-card-accent-amber { border-left: 3px solid var(--accent-amber); }

  /* Navy section overrides for cards and proof items inside dark sections */
  .page-section-navy .page-card {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.12);
  }
  .page-section-navy .page-card h3 { color: var(--white); }
  .page-section-navy .page-card p { color: rgba(255,255,255,0.65); }
  .page-section-navy .page-card-eyebrow { color: rgba(44, 122, 123, 0.9); }
  .page-section-navy .page-card-action { color: var(--muted-teal); }
  .page-section-navy .page-card-icon {
    background: rgba(44, 122, 123, 0.15);
    border-color: rgba(44, 122, 123, 0.25);
    color: var(--muted-teal);
  }
  .page-section-navy .page-card:hover {
    border-color: rgba(44, 122, 123, 0.3);
    background: rgba(255,255,255,0.09);
  }

  /* Large stat cards (social proof) */
  .stat-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .stat-card-large {
    display: block;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 12px;
    padding: 40px 32px;
    text-align: center;
    text-decoration: none;
    transition: border-color 0.3s ease, background 0.3s ease;
  }
  .stat-card-large:hover {
    border-color: rgba(44, 122, 123, 0.4);
    background: rgba(255,255,255,0.09);
  }
  .stat-card-large-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--muted-teal);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 12px;
  }
  .stat-card-large-label {
    font-size: 0.9375rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.5;
    margin-bottom: 16px;
  }
  .stat-card-large-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--muted-teal);
    font-size: 0.8125rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
  }
  .stat-card-large-link:hover {
    color: #3BA3A4;
  }
  .stat-card-large-link::after {
    content: '\2192';
    transition: transform 0.2s ease;
  }
  .stat-card-large:hover .stat-card-large-link::after {
    transform: translateX(3px);
  }

  /* Trust logos placeholder (hidden until populated) */
  .trust-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .trust-logos-label {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.3);
    white-space: nowrap;
  }
  .trust-logos-list {
    display: flex;
    align-items: center;
    gap: 32px;
  }
  .trust-logos-list img {
    height: 28px;
    width: auto;
    opacity: 0.45;
    filter: grayscale(1) brightness(2);
    transition: opacity 0.3s ease;
  }
  .trust-logos-list img:hover {
    opacity: 0.7;
  }

  /* Compact CTA band (mid-page) */
  .cta-band-compact {
    background: var(--navy-gradient);
    padding: 48px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .cta-band-compact::before {
    content: '';
    position: absolute;
    top: -60%;
    left: -10%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--teal-10) 0%, transparent 70%);
    pointer-events: none;
  }
  .cta-band-compact h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
  }
  .cta-band-compact .hero-actions {
    margin-top: 0;
  }

  /* Stepper timeline */
  .stepper-timeline {
    display: flex;
    position: relative;
    gap: 0;
  }
  .stepper-timeline::before {
    content: '';
    position: absolute;
    top: 24px;
    left: calc(12.5% + 24px);
    right: calc(12.5% + 24px);
    height: 2px;
    background: var(--border-color);
  }
  .stepper-step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 16px;
  }
  .stepper-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--muted-teal);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 12px rgba(44, 122, 123, 0.25);
  }
  .stepper-step h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--midnight-navy);
    margin-bottom: 8px;
    line-height: 1.35;
  }
  .stepper-step p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 0;
  }

  /* Sticky nav CTA enhancement on scroll */
  .site-nav-cta {
    transition: padding 0.3s ease, box-shadow 0.3s ease;
  }
  .site-nav-scrolled .site-nav-cta {
    padding: 10px 26px;
    box-shadow: 0 0 16px rgba(44, 122, 123, 0.35), 0 0 4px rgba(44, 122, 123, 0.2);
  }

  /* Prefers reduced motion */
  @media (prefers-reduced-motion: reduce) {
    .fade-in { transition: none; opacity: 1; transform: none; }
    .hero-entrance .page-hero-label,
    .hero-entrance h1,
    .hero-entrance .page-hero-copy > p,
    .hero-entrance .hero-actions,
    .hero-entrance .homepage-stat-row,
    .hero-entrance .page-hero-visual {
      animation: none;
      opacity: 1;
      transform: none;
    }
    .grid-2 .page-card,
    .grid-3 .page-card,
    .grid-4 .page-card,
    .proof-grid .proof-item {
      opacity: 1;
      transform: none;
      transition: box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .page-hero-visual .product-visual-hero { animation: none; }
    .stepper-step, .stat-card-large { opacity: 1; transform: none; }
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .proof-grid { grid-template-columns: repeat(2, 1fr); }
    .page-hero { padding: 140px 0 64px; }
    .page-hero h1 { font-size: 2.5rem; }
    .page-section { padding: 80px 0; }
    .page-hero-shell-visual { grid-template-columns: 1fr; gap: 40px; }
    .stat-cards-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .stepper-timeline::before { left: calc(12.5% + 20px); right: calc(12.5% + 20px); }
    .page-hero-with-visual { text-align: center; }
    .page-hero-with-visual .page-hero p { margin: 0 auto; }
    .page-hero-with-visual .hero-actions { justify-content: center; }
    .product-collage { min-height: 0; display: grid; gap: 20px; }
    .product-collage-main,
    .product-collage-secondary,
    .product-collage-floating {
      position: relative;
      inset: auto;
      width: 100%;
    }
  }

  @media (max-width: 768px) {
    .site-nav-links { display: none; }
    .site-mobile-menu-btn { display: block; }
    .trust-band-inner { gap: 16px; justify-content: center; }
    .trust-band-badge { font-size: 0.625rem; }
    .trust-band-badge svg { width: 22px; height: 22px; }
    .trust-band-partner-logo { height: 22px; }
    .trust-band { padding: 24px 0; }
    .trust-band-label { font-size: 0.625rem; margin-bottom: 14px; }
    .section-accent-img { height: 180px; }
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-4 { grid-template-columns: 1fr; }
    .proof-grid { grid-template-columns: 1fr; }
    .page-hero h1 { font-size: 2rem; }
    .page-hero p { font-size: 1rem; }
    .stat-row { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .site-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .site-footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .container { padding: 0 24px; }
    .page-card { padding: 28px; }
    .page-section { padding: 64px 0; }
    .embedded-calc { padding: 24px; }
    .product-visual-toolbar { padding: 0 12px; }
    .product-visual-toolbar-label { font-size: 0.6875rem; }
    .product-visual-chips { left: 12px; right: 12px; bottom: 12px; max-width: calc(100% - 24px); }
    .product-visual-chip { font-size: 0.6875rem; min-height: 24px; padding: 5px 10px; }
    .page-hero-with-visual .homepage-stat-row { grid-template-columns: 1fr; }
    .section-visual-wrap { margin-top: 32px; }
    .embedded-calc .result-item {
      flex-direction: column;
      align-items: flex-start;
      gap: 4px;
    }
    .embedded-calc .form-row {
      grid-template-columns: 1fr;
    }
    .section-intro h2 { font-size: 1.5rem; }
    .tier-comparison-table { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .stat-cards-grid { grid-template-columns: 1fr; gap: 16px; }
    .stat-card-large { padding: 32px 24px; }
    .stat-card-large-value { font-size: 2.25rem; }
    .stepper-timeline {
      flex-direction: column;
      gap: 0;
      padding-left: 32px;
    }
    .stepper-timeline::before {
      top: 24px;
      bottom: 24px;
      left: 23px;
      right: auto;
      width: 2px;
      height: auto;
    }
    .stepper-step {
      text-align: left;
      padding: 0 0 32px 24px;
      position: relative;
    }
    .stepper-number {
      position: absolute;
      left: -56px;
      top: 0;
      margin: 0;
    }
    .cta-band-compact { padding: 36px 0; }
    .cta-band-compact h3 { font-size: 1.25rem; }
  }

  @media (max-width: 480px) {
    .grid-2 { grid-template-columns: 1fr; }
    .stat-row { grid-template-columns: 1fr; }
    .site-footer-grid { grid-template-columns: 1fr; }
    .page-hero h1 { font-size: 1.75rem; }
    .page-hero { padding: 120px 0 48px; }
    .container { padding: 0 16px; }
    .page-card { padding: 20px; }
    .embedded-calc { padding: 16px; }
    .page-hero-with-visual .homepage-stat-row { grid-template-columns: 1fr; }
    .proof-item-copy { padding: 20px; }
    .embedded-calc button { width: 100%; }
    .page-section { padding: 48px 0; }
    .cta-band-compact .hero-actions { flex-direction: column; align-items: center; }
    .cta-band-compact .hero-actions .btn-primary,
    .cta-band-compact .hero-actions .btn-secondary { width: 100%; max-width: 280px; }
    .stepper-step:last-child { padding-bottom: 0; }
    .trust-logos { flex-direction: column; gap: 16px; }
    .trust-logos-list { gap: 20px; }
  }

  .tier-nav-layout {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 48px;
    position: relative;
  }

  .tier-nav-sidebar {
    position: sticky;
    top: 88px;
    align-self: start;
    padding: 24px 0;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
  }

  .tier-nav-sidebar-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted-teal);
    margin-bottom: 16px;
    padding-left: 16px;
  }

  .tier-nav-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .tier-nav-sidebar li {
    margin: 0;
  }

  .tier-nav-link {
    display: block;
    padding: 10px 16px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: color 0.2s, border-color 0.2s, background 0.2s;
    line-height: 1.4;
  }

  .tier-nav-link:hover {
    color: var(--midnight-navy);
    background: rgba(44, 122, 123, 0.04);
  }

  .tier-nav-link.active {
    color: var(--midnight-navy);
    font-weight: 600;
    border-left-color: var(--muted-teal);
    background: rgba(44, 122, 123, 0.06);
  }

  .tier-nav-main {
    min-width: 0;
  }

  .tier-nav-section {
    padding: 48px 0;
    border-bottom: 1px solid var(--border-color);
  }

  .tier-nav-section:last-child {
    border-bottom: none;
  }

  .tier-nav-mobile {
    display: none;
  }

  @media (max-width: 900px) {
    .tier-nav-layout {
      grid-template-columns: 1fr;
      gap: 0;
      padding: 0;
    }

    .tier-nav-sidebar {
      display: none;
    }

    .tier-nav-mobile {
      display: block;
      position: sticky;
      top: 64px;
      z-index: 90;
      background: var(--light-bg);
      border-bottom: 2px solid var(--border-color);
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }

    .tier-nav-mobile::-webkit-scrollbar { display: none; }

    .tier-nav-mobile-inner {
      display: flex;
      gap: 0;
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 16px;
    }

    .tier-nav-mobile-link {
      display: block;
      padding: 14px 16px;
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--text-muted);
      text-decoration: none;
      white-space: nowrap;
      border-bottom: 3px solid transparent;
      transition: color 0.2s, border-color 0.2s;
    }

    .tier-nav-mobile-link:hover {
      color: var(--midnight-navy);
    }

    .tier-nav-mobile-link.active {
      color: var(--midnight-navy);
      border-bottom-color: var(--muted-teal);
    }

    .tier-nav-main {
      padding: 0 24px;
    }
  }

  @media (max-width: 480px) {
    .tier-nav-mobile { top: 56px; }
    .tier-nav-mobile-link { padding: 12px 12px; font-size: 0.7rem; }
    .tier-nav-main { padding: 0 16px; }
  }