*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  :root {
    --navy: #1E2563;
    --navy-dark: #131852;
    --amber: #F5A623;
    --white: #FFFFFF;
    --cream: #F8F7F4;
    --light-gray: #EEF0F5;
    --text-dark: #1A1C2E;
    --text-mid: #4A5068;
    --text-light: #7B82A0;
    --border: #D8DCE8;
  }

  html { scroll-behavior: smooth; }

  body {
    font-family: 'Barlow', sans-serif;
    background: var(--cream);
    color: var(--text-dark);
    overflow-x: hidden;
  }

  /* ===== NAV ===== */
  nav {
  position: relative !important;
  top: auto !important;
  left: auto !important;
  right: auto !important;
  z-index: 10;

  width: 100%;
  height: 68px;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--border);

  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  }

  .nav-links { display: flex; gap: 36px; list-style: none; }
  .nav-links a {
    text-decoration: none; color: var(--text-mid);
    font-size: 14px; font-weight: 600; letter-spacing: 0.04em;
    text-transform: uppercase; transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--navy); }
  .nav-cta {
    background: var(--navy); color: white;
    padding: 10px 24px; border-radius: 4px;
    font-size: 13px; font-weight: 700; letter-spacing: 0.05em;
    text-transform: uppercase; text-decoration: none; transition: background 0.2s;
  }
  .nav-cta:hover { background: var(--amber); color: var(--navy); }

  /* ===== HERO ===== */
  .hero {
    position: relative; height: 100vh; min-height: 640px;
    display: flex; flex-direction: column; justify-content: center;
    padding: 0 64px; padding-top: 68px; overflow: hidden;
  }
  .hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: linear-gradient(135deg, #0d1140 0%, #1a2580 40%, #2056c0 70%, #4a9ae8 100%);
  }
  /* SVG train & landscape illustration */
  .hero-illustration {
    position: absolute; right: 0; bottom: 0; z-index: 1;
    width: 65%; height: 100%; pointer-events: none;
  }
  .hero-overlay {
    position: absolute; inset: 0; z-index: 2;
    background: linear-gradient(90deg, rgba(13,17,64,0.92) 30%, rgba(13,17,64,0.5) 60%, transparent 80%);
  }
  .hero-content {
    position: relative; z-index: 3; max-width: 620px;
  }
  .hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(245,166,35,0.2); border: 1px solid rgba(245,166,35,0.5);
    color: var(--amber); padding: 6px 14px; border-radius: 2px;
    font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
    margin-bottom: 28px;
  }
  .hero-tag::before { content: ""; width: 6px; height: 6px; background: var(--amber); border-radius: 50%; }
  .hero-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(48px, 6vw, 80px);
    font-weight: 800; line-height: 1.0;
    color: white; letter-spacing: -0.01em;
    margin-bottom: 20px;
  }
  .hero-title span { color: var(--amber); display: block; }
  .hero-sub {
    font-size: 17px; font-weight: 300; line-height: 1.6;
    color: rgba(255,255,255,0.8); max-width: 500px; margin-bottom: 40px;
  }
  .hero-cta-group { display: flex; gap: 16px; flex-wrap: wrap; }
  .btn-primary {
    background: var(--amber); color: var(--navy);
    padding: 14px 32px; font-size: 14px; font-weight: 700;
    letter-spacing: 0.06em; text-transform: uppercase;
    border: none; border-radius: 4px; cursor: pointer;
    text-decoration: none; transition: all 0.2s;
    display: inline-flex; align-items: center; gap: 8px;
  }
  .btn-primary:hover { background: white; transform: translateY(-1px); }
  .btn-outline {
    background: transparent; color: white;
    padding: 14px 32px; font-size: 14px; font-weight: 600;
    letter-spacing: 0.06em; text-transform: uppercase;
    border: 1.5px solid rgba(255,255,255,0.4); border-radius: 4px;
    cursor: pointer; text-decoration: none; transition: all 0.2s;
  }
  .btn-outline:hover { border-color: white; background: rgba(255,255,255,0.1); }

  /* Stats strip */
  .hero-stats {
    position: absolute; bottom: 0; left: 0; right: 0; z-index: 3;
    display: flex; background: rgba(255,255,255,0.06); border-top: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(4px);
  }
  .hero-stat {
    flex: 1; padding: 20px 32px; border-right: 1px solid rgba(255,255,255,0.1);
    display: flex; align-items: center; gap: 16px;
  }
  .hero-stat:last-child { border-right: none; }
  .stat-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 36px; font-weight: 800; color: var(--amber); line-height: 1;
  }
  .stat-label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.08em; line-height: 1.4; }

  /* scroll indicator */
  .scroll-hint {
    position: absolute; bottom: 80px; left: 64px; z-index: 4;
    display: flex; align-items: center; gap: 10px;
    color: rgba(255,255,255,0.4); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  }
  .scroll-line { width: 40px; height: 1px; background: rgba(255,255,255,0.3); }

  /* ===== SECTION TEMPLATE ===== */
  section { padding: 96px 64px; }
  .section-tag {
    font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--amber); margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px;
  }
  .section-tag::before { content: ""; width: 24px; height: 2px; background: var(--amber); }
  h2.section-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: clamp(32px, 4vw, 52px); font-weight: 800;
    color: var(--navy); line-height: 1.1; margin-bottom: 16px;
  }
  .section-lead { font-size: 17px; color: var(--text-mid); line-height: 1.6; max-width: 1000px; }

  /* ===== WHY SECTION ===== */
  .why-section { background: var(--white); }
  .why-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 0; border: 1px solid var(--border); margin-top: 56px;
    border-radius: 8px; overflow: visible;
  }
  .why-card {
    padding: 32px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
    transition: background 0.25s; overflow: visible;
    display: flex; flex-direction: row; gap: 20px; align-items: flex-start;
  }
  .why-card:nth-child(2n) { border-right: none; }
  .why-card:nth-last-child(-n+2) { border-bottom: none; }
  .why-card:hover { background: #f0f3fa; }
  .why-card-img {
    width: 100px; height: 100px; flex-shrink: 0;
    background: var(--light-gray); border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden; border: 1px solid var(--border);
  }
  .why-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .why-card-img-placeholder {
    font-size: 10px; font-weight: 700; color: #a0a8c0;
    text-transform: uppercase; letter-spacing: 0.06em; text-align: center;
    line-height: 1.4;
  }
  .why-card-content { flex: 1; }
  .why-icon {
    width: 40px; height: 40px; border-radius: 6px;
    background: var(--navy); display: flex; align-items: center; justify-content: center;
    margin-bottom: 12px; font-size: 18px; flex-shrink: 0;
  }
  .why-card h3 { font-size: 18px; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
  .why-card p { font-size: 15px; color: var(--text-mid); line-height: 1.6; }

  /* ===== PRODUCTS ===== */
  .products-section { background: var(--cream); }
  .filter-bar {
    display: flex; gap: 8px; flex-wrap: wrap; margin: 40px 0 32px;
  }
  .filter-btn {
    padding: 8px 20px; border-radius: 20px;
    border: 1.5px solid var(--border); background: transparent;
    font-size: 13px; font-weight: 600; color: var(--text-mid);
    cursor: pointer; transition: all 0.2s; white-space: nowrap;
  }
  .filter-btn.active, .filter-btn:hover {
    background: var(--navy); border-color: var(--navy); color: white;
  }
  .products-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px;
  }
  .product-card {
    background: white; border-radius: 8px; overflow: hidden;
    border: 1px solid var(--border); transition: all 0.25s;
  }
  .product-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(30,37,99,0.1); border-color: #b0b8d0; }
  .product-card.hidden { display: none; }
  .product-img {
    background: linear-gradient(135deg, #e8ecf8, #d0d7ec);
    height: 180px; display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
  }
  .product-img-label {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 26px; font-weight: 800; color: var(--navy); letter-spacing: -0.02em;
    text-align: center; padding: 16px;
  }
  .product-badge {
    position: absolute; top: 12px; right: 12px;
    background: var(--amber); color: var(--navy);
    font-size: 10px; font-weight: 800; letter-spacing: 0.1em;
    text-transform: uppercase; padding: 4px 10px; border-radius: 2px;
  }
  .product-body { padding: 24px; }
  .product-category {
    font-size: 11px; font-weight: 700; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--amber); margin-bottom: 8px;
  }
  .product-name { font-size: 18px; font-weight: 700; color: var(--navy); margin-bottom: 8px; line-height: 1.25; }
  .product-desc { font-size: 14px; color: var(--text-mid); line-height: 1.55; margin-bottom: 16px; }
  .product-features { list-style: none; margin-bottom: 20px; }
  .product-features li {
    font-size: 13px; color: var(--text-mid); padding: 4px 0;
    display: flex; align-items: flex-start; gap: 8px;
  }
  .product-features li::before {
    content: ""; width: 6px; height: 6px; background: var(--amber);
    border-radius: 50%; margin-top: 5px; flex-shrink: 0;
  }
  .product-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 13px; font-weight: 700; color: var(--navy); text-decoration: none;
    text-transform: uppercase; letter-spacing: 0.06em;
    border-bottom: 2px solid var(--amber); padding-bottom: 2px; transition: color 0.2s;
  }
  .product-link:hover { color: var(--amber); }

  /* ===== STANDARDS ===== */
  .standards-section { background: var(--navy); }
  .standards-section .section-tag { color: var(--amber); }
  .standards-section h2.section-title { color: white; }
  .standards-section .section-lead { color: rgba(255,255,255,0.6); }
  .standards-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 56px; }
  .standard-card {
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px; padding: 32px;
    transition: border-color 0.2s; overflow: visible;
  }
  .standard-card:hover { border-color: var(--amber); }
  .standard-card h3 { font-family: 'Barlow Condensed', sans-serif; font-size: 28px; font-weight: 800; color: var(--amber); margin-bottom: 10px; }
  .standard-card p { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.6; }

  /* ===== SUCCESS STORIES ===== */
  .stories-section { background: white; }
  .stories-carousel { position: relative; margin-top: 56px; }
  .story-tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 40px; }
  .story-tab {
    padding: 12px 28px; font-size: 13px; font-weight: 700;
    letter-spacing: 0.05em; text-transform: uppercase;
    color: var(--text-light); border: none; background: none;
    cursor: pointer; border-bottom: 2px solid transparent;
    margin-bottom: -2px; transition: all 0.2s;
  }
  .story-tab.active { color: var(--navy); border-bottom-color: var(--navy); }
  .story-panel { display: none; }
  .story-panel.active { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
  .story-flag {
    font-family: 'Barlow Condensed', sans-serif; font-size: 40px; font-weight: 800;
    color: var(--navy); margin-bottom: 6px;
  }
  .story-sub { font-size: 13px; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 24px; }
  .story-text { font-size: 16px; color: var(--text-mid); line-height: 1.7; margin-bottom: 24px; }
  .story-model {
    background: var(--light-gray); border-radius: 6px; padding: 20px 24px;
    border-left: 3px solid var(--amber); margin-bottom: 12px;
  }
  .story-model-label { font-size: 11px; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
  .story-model-val { font-size: 15px; font-weight: 600; color: var(--navy); }
  .story-visual {
    background: linear-gradient(135deg, #e8ecf8, #c8d0e8);
    border-radius: 8px; padding: 40px;
    display: flex; flex-direction: column; gap: 16px;
    align-items: center; justify-content: center; min-height: 280px;
  }
  .story-stat-big {
    text-align: center;
  }
  .story-stat-big .n {
    font-family: 'Barlow Condensed', sans-serif; font-size: 56px; font-weight: 800; color: var(--navy);
  }
  .story-stat-big .l { font-size: 13px; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.1em; }

.story-image-frame {
  padding: 0;
  background: none;
  border-radius: 10px;
  overflow: hidden;
  min-height: auto;
  align-items: stretch;
  justify-content: flex-start;
}
.story-case-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: white;
}
.story-placeholder-frame {
  min-height: 320px;
  background: var(--light-gray);
  border: 1px dashed var(--border);
  align-items: center;
  justify-content: center;
}
.story-image-placeholder {
  color: var(--text-light);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.6;
  text-align: center;
  text-transform: uppercase;
}


  /* ===== CTA SECTION ===== */
  .cta-section {
    background: linear-gradient(135deg, var(--navy) 0%, #2a3a8a 100%);
    text-align: center; padding: 80px 64px;
  }
  .cta-section h2 {
    font-family: 'Barlow Condensed', sans-serif; font-size: 48px; font-weight: 800;
    color: white; margin-bottom: 16px;
  }
  .cta-section p { font-size: 18px; color: rgba(255,255,255,0.7); max-width: 540px; margin: 0 auto 36px; }
  .cta-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

  


  /* ===== GLOBE MAP ===== */
  .globe-section { background: var(--white); }
  .globe-map-wrap { margin: 40px auto 0; max-width: 1180px; }
  .world-map-svg {
    width: 100%; border-radius: 12px;
    border: 1px solid var(--border);
    background: #EEF2FA;
    display: block;
  }
  .map-pin { cursor: default; transition: none; transform: none; pointer-events: none; }
  .map-pin:hover { transform: none; }
  .pin-label { font-family: 'Barlow', sans-serif; pointer-events: none; }

  .globe-chips {
    display: flex; flex-wrap: wrap; gap: 10px;
    margin-top: 18px; justify-content: center;
  }
  .chip {
    padding: 7px 16px; border-radius: 20px;
    border: 1.5px solid var(--border);
    background: var(--light-gray);
    font-size: 13px; font-weight: 600; color: var(--text-mid);
    cursor: default; transition: all 0.2s;
  }
  .chip:hover { background: var(--navy); color: white; border-color: var(--navy); }
  .chip.chip-home {
    background: var(--navy); color: white; border-color: var(--navy);
  }

  /* ===== POE CATEGORIES ===== */
  .poe-section { background: var(--light-gray); }
  .poe-section .section-tag { color: var(--amber); }

  .poe-layout {
    margin-top: 52px;
    display: flex; flex-direction: column; gap: 20px;
  }

  /* PSE row - 3 columns */
  .poe-pse-row {
    display: grid; grid-template-columns: repeat(3,1fr); gap: 20px;
  }

  /* PD row - full width accent card */
  .poe-pd-row { display: grid; grid-template-columns: 1fr; }

  .poe-card {
    background: white; border-radius: 10px;
    border: 1px solid var(--border);
    padding: 28px 28px 24px;
    display: flex; flex-direction: column;
    transition: all 0.25s;
    position: relative; overflow: hidden;
  }
  .poe-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--navy);
  }
  .poe-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(30,37,99,0.1);
    border-color: #b0b8d0;
  }
  .poe-card.pd-card {
    flex-direction: row; align-items: center; gap: 40px;
    background: linear-gradient(135deg, #1E2563 0%, #2a3a8a 100%);
    border-color: transparent; color: white;
  }
  .poe-card.pd-card::before { background: var(--amber); }
  .poe-card.pd-card:hover { box-shadow: 0 12px 36px rgba(30,37,99,0.25); }

  .poe-role-badge {
    display: inline-flex; align-items: center;
    padding: 4px 12px; border-radius: 3px;
    font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
    margin-bottom: 14px; align-self: flex-start;
  }
  .poe-role-badge.pse { background: rgba(30,37,99,0.08); color: var(--navy); }
  .poe-role-badge.pd  { background: rgba(245,166,35,0.25); color: var(--amber); }

  .poe-card-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 22px; font-weight: 800; color: var(--navy);
    margin-bottom: 6px; line-height: 1.2;
  }
  .poe-card.pd-card .poe-card-title { color: white; font-size: 26px; }

  .poe-card-mode {
    font-size: 13px; font-weight: 600; color: var(--amber);
    margin-bottom: 18px; text-transform: uppercase; letter-spacing: 0.06em;
  }
  .poe-card.pd-card .poe-card-mode { color: rgba(245,166,35,0.8); }

  .poe-diagram {
    flex: 1; display: flex; align-items: center;
    justify-content: center; min-height: 120px;
    background: var(--light-gray); border-radius: 8px;
    margin-top: auto; padding: 16px;
  }
  .poe-card.pd-card .poe-diagram {
    background: rgba(255,255,255,0.08); min-height: 100px; flex: 0 0 auto; width: 280px;
  }

  .poe-features {
    list-style: none; margin-top: 14px; margin-bottom: 18px;
  }
  .poe-features li {
    font-size: 13px; color: var(--text-mid);
    padding: 3px 0; display: flex; gap: 8px; align-items: flex-start;
  }
  .poe-features li::before {
    content: ""; width: 5px; height: 5px; border-radius: 50%;
    background: var(--amber); flex-shrink: 0; margin-top: 5px;
  }
  .poe-card.pd-card .poe-features li { color: rgba(255,255,255,0.7); }
  .poe-card.pd-card .poe-features li::before { background: var(--amber); }

  .poe-pd-text { flex: 1; }

  @media (max-width: 900px) {
    .poe-pse-row { grid-template-columns: 1fr; }
    .poe-card.pd-card { flex-direction: column; }
    .poe-card.pd-card .poe-diagram { width: 100%; }
  }

  /* ===== ONBOARD & WAYSIDE ===== */
  .ob-ws-section { background: var(--cream); }
  .ob-ws-grid {
    display: grid; grid-template-columns: 1fr;
    gap: 28px; margin-top: 52px;
  }
  .ob-ws-card {
    background: white; border-radius: 10px;
    border: 1px solid var(--border); padding: 32px;
    display: flex; flex-direction: column; gap: 22px;
    transition: box-shadow 0.25s;
  }
  .ob-ws-card:hover { box-shadow: 0 10px 32px rgba(30,37,99,0.09); }
  .ob-ws-header { display: flex; align-items: flex-start; gap: 16px; }
  .ob-ws-icon {
    width: 52px; height: 52px; border-radius: 10px;
    background: var(--light-gray); display: flex;
    align-items: center; justify-content: center; flex-shrink: 0;
  }
  .ob-ws-tag {
    font-size: 11px; font-weight: 800; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--navy);
    background: rgba(30,37,99,0.07); padding: 3px 10px;
    border-radius: 3px; display: inline-block; margin-bottom: 6px;
  }
  .ob-ws-tag.wayside { color: #0a6e4f; background: rgba(10,110,79,0.08); }
  .ob-ws-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 26px; font-weight: 800; color: var(--navy); line-height: 1.2;
  }
  .ob-ws-desc { font-size: 16px; color: var(--text-mid); line-height: 1.65; }
  .ob-ws-why {
    background: var(--light-gray); border-radius: 8px;
    padding: 18px 20px; border-left: 3px solid var(--amber);
  }
  .ob-ws-why-title {
    font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-light); margin-bottom: 10px;
  }
  .ob-ws-why-list { list-style: none; display: flex; flex-direction: column; gap: 7px; }
  .ob-ws-why-list li {
    font-size: 15px; color: var(--text-mid); display: flex; gap: 8px; align-items: flex-start;
  }
  .ob-ws-why-list li::before {
    content: ""; width: 5px; height: 5px; background: var(--amber);
    border-radius: 50%; flex-shrink: 0; margin-top: 5px;
  }
  .ob-ws-products-title {
    font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--text-light); margin-bottom: 10px;
  }
  .ob-ws-product-chips { display: flex; flex-wrap: wrap; gap: 8px; }
  .ob-chip {
    font-size: 12px; font-weight: 600; color: var(--navy);
    background: rgba(30,37,99,0.06); border: 1px solid rgba(30,37,99,0.15);
    padding: 5px 12px; border-radius: 20px;
  }
  @media (max-width: 900px) { .ob-ws-grid { grid-template-columns: 1fr; } }

  /* Onboard product cards */
  .ob-prod-grid {
    display: grid; grid-template-columns: repeat(5, 1fr);
    gap: 20px; margin-top: 20px;
  }
  .ob-prod-card {
    display: flex; flex-direction: column; gap: 8px;
    background: var(--light-gray); border-radius: 10px;
    border: 1px solid var(--border); overflow: visible;
    transition: box-shadow 0.2s; position: relative;
    margin-top: 16px;
  }
  .ob-prod-card:hover { box-shadow: 0 4px 16px rgba(30,37,99,0.1); }
  .ob-prod-img {
    width: 100%; aspect-ratio: 4 / 3;
    background: white; display: flex;
    align-items: center; justify-content: center;
    border-bottom: 1px solid var(--border);
    padding: 20px;
    box-sizing: border-box;
    border-radius: 10px 10px 0 0;
    overflow: hidden;
  }
  .ob-prod-img img { width: 85%; height: 85%; object-fit: contain; display: block; mix-blend-mode: multiply; }
  .ob-prod-placeholder {
    font-size: 13px; font-weight: 600; color: #a0a8c0;
    text-transform: uppercase; letter-spacing: 0.08em;
  }
  .ob-prod-name {
    font-size: 15px; font-weight: 700; color: var(--navy);
    padding: 10px 12px 0; line-height: 1.3;
  }
  .ob-prod-desc {
    font-size: 13px; color: var(--text-mid); line-height: 1.5;
    padding: 0 12px 14px;
  }
  @media (max-width: 1100px) { .ob-prod-grid { grid-template-columns: repeat(3, 1fr); } }
  @media (max-width: 700px) { .ob-prod-grid { grid-template-columns: repeat(2, 1fr); } }

  /* Tooltip */
  .tooltip-term {
    color: var(--navy); font-weight: 700;
    border-bottom: 1.5px dashed var(--amber);
    cursor: pointer; position: relative; display: inline-block;
  }
  .tooltip-box {
    display: none;
    position: absolute; top: calc(100% + 10px); left: 50%;
    transform: translateX(-50%);
    background: var(--navy); color: white;
    font-size: 13px; font-weight: 400; line-height: 1.6;
    padding: 14px 16px; border-radius: 8px;
    width: 300px; z-index: 200;
    box-shadow: 0 8px 24px rgba(30,37,99,0.3);
    pointer-events: none;
  }
  .tooltip-box strong { color: var(--amber); display: block; margin-bottom: 4px; font-size: 13px; }
  /* Arrow pointing up */
  .tooltip-box::before {
    content: ""; position: absolute; bottom: 100%; left: 50%;
    transform: translateX(-50%);
    border: 7px solid transparent;
    border-bottom-color: var(--navy);
  }
  .tooltip-term:hover .tooltip-box,
  .tooltip-term.active .tooltip-box { display: block; }

  .standards-section .tooltip-term { color: white; border-bottom-color: var(--amber); }
  .standards-section .tooltip-box { top: calc(100% + 10px); }

  /* Product cert badge */
  .ob-prod-badge {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: #FFF3CD; color: #7A4F00;
    border: 1.5px solid #F5A623;
    font-size: 9px; font-weight: 800; letter-spacing: 0.05em;
    padding: 3px 9px; border-radius: 20px; line-height: 1.4;
    text-align: center; z-index: 10; pointer-events: none;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(245,166,35,0.25);
  }

  /* Product more info button */
  .ob-prod-btn {
    display: inline-block; margin: 0 12px 14px;
    padding: 6px 14px; background: var(--navy); color: white;
    font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
    text-transform: uppercase; text-decoration: none;
    border-radius: 4px; transition: background 0.2s;
    align-self: flex-start;
  }
  .ob-prod-btn:hover { background: var(--amber); color: var(--navy); }

  /* PoE flow diagram */
  .poe-flow-wrap { margin-top: 52px; }
  .poe-flow-labels {
    display: flex; gap: 16px; margin-bottom: 16px; align-items: center;
  }
  .poe-flow-label {
    display: flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 700; color: var(--text-mid);
    text-transform: uppercase; letter-spacing: 0.06em;
  }
  .poe-flow-label.pd-label { margin-left: auto; }
  .poe-flow-diagram {
    width: 100%; border-radius: 10px; overflow: hidden;
    border: 1px solid var(--border); background: white; padding: 20px;
  }
  .poe-flow-svg { width: 100%; display: block; }

  /* animations */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .hero-content > * {
    animation: fadeUp 0.6s ease forwards; opacity: 0;
  }
  .hero-tag { animation-delay: 0.1s; }
  .hero-title { animation-delay: 0.25s; }
  .hero-sub { animation-delay: 0.4s; }
  .hero-cta-group { animation-delay: 0.55s; }


/* ===== ARCHITECTURE SECTION ===== */
.architecture-section { background: var(--cream); }
.architecture-board {
  margin-top: 52px; background: white; border: 1px solid var(--border);
  border-radius: 12px; padding: 32px; box-shadow: 0 12px 32px rgba(30,37,99,0.06);
}
.arch-zone {
  border: 1px solid rgba(30,37,99,0.16); border-radius: 10px;
  background: linear-gradient(135deg, #f8f9fd, #eef2fa); padding: 24px;
}
.arch-zone-label {
  font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--amber); margin-bottom: 18px;
}
.arch-train { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.arch-car {
  min-height: 92px; border-radius: 10px; background: var(--navy); color: white;
  padding: 18px; font-size: 18px; font-weight: 800; display: flex; flex-direction: column;
  justify-content: center; position: relative; overflow: hidden;
}
.arch-car::after {
  content: ""; position: absolute; right: -24px; top: 0; bottom: 0; width: 70px;
  background: rgba(245,166,35,0.18); transform: skewX(-18deg);
}
.arch-car span { font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.68); margin-top: 6px; z-index: 1; }
.arch-products {
  margin-top: 16px; color: var(--text-mid); font-size: 14px; font-weight: 600;
  background: white; border-radius: 8px; padding: 12px 16px; border-left: 3px solid var(--amber);
}
.arch-link-row {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: center; margin: 26px 0;
}
.arch-link-card {
  border: 1px solid var(--border); background: #fff; border-radius: 10px; padding: 22px;
}
.arch-link-card strong { display: block; color: var(--navy); font-size: 19px; margin-bottom: 8px; }
.arch-link-card span { color: var(--text-mid); font-size: 14px; line-height: 1.55; }
.arch-flow {
  width: 52px; height: 52px; border-radius: 50%; background: var(--amber); color: var(--navy);
  display: flex; align-items: center; justify-content: center; font-size: 26px; font-weight: 800;
}
.arch-control-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.arch-control-card {
  background: var(--navy); color: white; border-radius: 8px; padding: 18px;
  text-align: center; font-size: 14px; font-weight: 700; letter-spacing: 0.04em;
}
.architecture-takeaway {
  margin-top: 22px; padding: 18px 22px; border-left: 4px solid var(--amber);
  background: rgba(245,166,35,0.1); color: var(--text-mid); line-height: 1.6; border-radius: 0 8px 8px 0;
}
.architecture-takeaway strong { color: var(--navy); }

/* ===== CUSTOMER CHALLENGES ===== */
.challenge-section { background: var(--white); }
.challenge-grid { margin-top: 48px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.challenge-card {
  border: 1px solid var(--border); border-radius: 10px; background: white;
  padding: 22px; transition: all 0.25s; min-height: 240px; display: flex; flex-direction: column;
}
.challenge-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(30,37,99,0.09); }
.challenge-problem {
  color: var(--navy); font-size: 16px; font-weight: 800; line-height: 1.35; margin-bottom: 18px;
}
.challenge-problem::before {
  content: "Customer Question"; display: inline-block; background: rgba(30,37,99,0.08); color: var(--navy);
  font-size: 10px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 8px; border-radius: 3px; margin-bottom: 12px;
}
.challenge-answer {
  color: var(--text-mid); font-size: 14px; line-height: 1.55; padding-top: 16px;
  border-top: 2px solid rgba(245,166,35,0.45); margin-top: auto;
}
.challenge-answer::before {
  content: "ORing Solution"; display: block; color: var(--amber); font-size: 10px; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px;
}

/* ===== SOLUTION GUIDE ===== */
.solution-guide-section { background: var(--light-gray); }
.solution-table-wrap {
  margin-top: 48px; overflow-x: auto; border-radius: 10px;
  border: 1px solid var(--border); background: white;
}
.solution-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.solution-table th {
  background: var(--navy); color: white; text-align: left; padding: 18px 20px;
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
}
.solution-table td {
  padding: 18px 20px; border-bottom: 1px solid var(--border);
  color: var(--text-mid); font-size: 14px; line-height: 1.45;
}
.solution-table tr:last-child td { border-bottom: none; }
.solution-table td:nth-child(2) { color: var(--navy); font-weight: 700; }
.solution-table tr:hover td { background: #f8f9fd; }
.pitch-box {
  margin-top: 28px; background: var(--navy); color: white; border-radius: 10px;
  padding: 28px 32px; border-left: 5px solid var(--amber);
}
.pitch-label {
  color: var(--amber); font-size: 12px; font-weight: 800; letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 10px;
}
.pitch-box p { color: rgba(255,255,255,0.78); font-size: 16px; line-height: 1.65; }

@media (max-width: 1100px) {
  .challenge-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .architecture-board { padding: 20px; }
  .arch-train, .arch-link-row, .arch-control-row { grid-template-columns: 1fr; }
  .arch-flow { margin: 0 auto; transform: rotate(90deg); }
  .challenge-grid { grid-template-columns: 1fr; }
}

/* Final update refinements */
.railway-application-figure {
  margin: 36px 0 48px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 10px 28px rgba(30,37,99,0.06);
}
.railway-application-figure img { width: 100%; display: block; border-radius: 8px; }
.ob-prod-card { min-height: 100%; }
.ob-prod-desc { flex: 1; }
.ob-prod-btn { margin-top: auto; }
.story-model-list { display: flex; flex-direction: column; gap: 4px; line-height: 1.45; }
.world-map-svg { max-height: 520px; object-fit: contain; }
.map-pins, .map-pin, .pin-label { pointer-events: none; }
footer { justify-content: center; }


/* Force this landing page full width */
.item-page,
.com-content-article,
.article-body,
.orings-railway-page {
  width: 100% !important;
  max-width: none !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

.oring-railway-page {
  width: 100vw !important;
  max-width: 100vw !important;
  margin-left: calc(50% - 50vw) !important;
  margin-right: calc(50% - 50vw) !important;
  overflow-x: hidden;
}