:root {
      color-scheme: light;
      font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      --bg: #f7f8fb;
      --card: #fff;
      --text-dark: #1f2933;
      --text-muted: #5f6c80;
      --border: #e1e4eb;
      --tier-high: #ff4d6d;
      --tier-low: #2563eb;
      --tier-none: #8ddea7;
    }
    * {
      box-sizing: border-box;
    }
    body {
      margin: 0;
      min-height: 100vh;
      background: var(--bg);
      color: var(--text-dark);
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 32px 16px 64px;
      gap: 16px;
    }
    .app {
      width: min(1200px, 100%);
      display: grid;
      gap: 24px;
    }
    header {
      text-align: center;
    }
    .brand-logo {
      align-self: flex-start;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.9);
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.15);
      margin-left: 16px;
    }
    .brand-logo img {
      height: 34px;
      width: auto;
      display: block;
    }
    h1 {
      margin-bottom: 8px;
      font-size: clamp(1.8rem, 3vw, 2.6rem);
    }
    .search-bar {
      margin-top: 24px;
      position: relative;
      max-width: 520px;
      margin-left: auto;
      margin-right: auto;
    }
    .search-bar input {
      width: 100%;
      padding: 14px 16px;
      border-radius: 12px;
      border: 1px solid var(--border);
      font-size: 1rem;
      background: var(--card);
      color: inherit;
      box-shadow: 0 10px 35px rgba(15, 23, 42, 0.08);
    }
    .results {
      display: grid;
      gap: 16px;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    .company-card {
      background: var(--card);
      border-radius: 16px;
      padding: 20px;
      border: 1px solid var(--border);
      box-shadow: 0 20px 35px rgba(15, 23, 42, 0.08);
      cursor: pointer;
      transition: transform 200ms ease, box-shadow 200ms ease;
    }
    .company-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 30px 45px rgba(15, 23, 42, 0.15);
      background: #a0bafc;
      border-color: rgba(37, 99, 235, 0.25);
    }
    .company-card h3 {
      margin: 0;
      font-size: 1.2rem;
    }
    .company-card p {
      margin: 8px 0 0;
      color: var(--text-muted);
    }
    .tier-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-top: 12px;
      background: rgba(0, 0, 0, 0.05);
      color: var(--text-dark);
    }
    .tier-high {
      border-left: 4px solid var(--tier-high);
    }
    .tier-low {
      border-left: 4px solid var(--tier-low);
    }
    .tier-none {
      border-left: 4px solid var(--tier-none);
    }
    .location-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin: 12px 0 0;
      padding: 6px 12px;
      border-radius: 999px;
      background: rgba(37, 99, 235, 0.12);
      color: var(--tier-low);
      font-weight: 600;
      font-size: 0.9rem;
    }
    .location-badge svg {
      width: 16px;
      height: 16px;
      flex-shrink: 0;
      fill: currentColor;
    }
    .keyword-list {
      margin: 16px 0 0;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .keyword-chip {
      padding: 6px 12px;
      border-radius: 20px;
      font-size: 0.85rem;
      border: 1px solid var(--border);
      background: #f5f7ff;
      color: var(--text-muted);
    }
    .keyword-chip[data-tier="high"] {
      border-color: var(--tier-high);
      color: var(--tier-high);
    }
    .keyword-chip[data-tier="low"] {
      border-color: var(--tier-low);
      color: var(--tier-low);
    }
    .keyword-chip[data-tier="none"] {
      border-color: var(--tier-none);
      color: var(--tier-none);
    }
    .empty-state,
    .no-results {
      text-align: center;
      padding: 40px 20px;
      background: var(--card);
      border-radius: 20px;
      border: 1px dashed var(--border);
      color: var(--text-muted);
      font-size: 1.1rem;
    }
    .details-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.5);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 200ms ease;
    }
    .details-overlay.open {
      opacity: 1;
      pointer-events: auto;
    }
    .details-card {
      width: min(640px, 100%);
      background: var(--card);
      border-radius: 24px;
      padding: 32px;
      position: relative;
      box-shadow: 0 40px 70px rgba(15, 23, 42, 0.3);
      max-height: 90vh;
      overflow-y: auto;
    }
    .enquiry-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      margin-top: 20px;
      padding: 12px 18px;
      border-radius: 14px;
      background: var(--tier-low);
      color: #fff;
      font-weight: 600;
      text-decoration: none;
      border: none;
      transition: transform 150ms ease, box-shadow 150ms ease;
      box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
    }
    .enquiry-button:hover,
    .enquiry-button:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 18px 28px rgba(37, 99, 235, 0.35);
    }
    .enquiry-card {
      margin-top: 20px;
      width: 100%;
      background: #fff;
      border-radius: 20px;
      padding: 24px;
      box-shadow: 0 15px 35px rgba(15, 23, 42, 0.15);
      display: none;
      flex-direction: column;
      gap: 16px;
      border: 1px solid var(--border);
    }
    .enquiry-card.open {
      display: flex;
    }
    .enquiry-card__header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .enquiry-card__header h3 {
      margin: 0;
      font-size: 1.1rem;
    }
    .enquiry-card .close-enquiry {
      border: none;
      background: transparent;
      font-size: 1.2rem;
      cursor: pointer;
      color: var(--text-muted);
    }
    .enquiry-company {
      margin: 0;
      font-weight: 600;
      color: var(--tier-low);
    }
    .enquiry-field {
      display: flex;
      flex-direction: column;
      gap: 6px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .enquiry-field input,
    .enquiry-field textarea {
      border-radius: 12px;
      border: 1px solid var(--border);
      padding: 10px 12px;
      font-size: 0.95rem;
      font-family: inherit;
      resize: vertical;
    }
    .enquiry-card__actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .enquiry-card__actions button,
    .enquiry-card__actions a {
      flex: 1;
      min-width: 140px;
    }
    .primary-button {
      border: none;
      border-radius: 14px;
      padding: 12px 16px;
      background: var(--tier-high);
      color: #fff;
      font-weight: 600;
      cursor: pointer;
      box-shadow: 0 12px 24px rgba(255, 77, 109, 0.25);
      transition: transform 150ms ease, box-shadow 150ms ease;
    }
    .primary-button:hover,
    .primary-button:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 18px 30px rgba(255, 77, 109, 0.35);
    }
    .call-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 12px 16px;
      border-radius: 14px;
      border: 1px solid var(--tier-low);
      color: var(--tier-low);
      font-weight: 600;
      text-decoration: none;
      transition: background 150ms ease, color 150ms ease;
      cursor: default;
      user-select: text;
    }
    .close-button {
      position: absolute;
      top: 16px;
      right: 16px;
      border: none;
      background: transparent;
      font-size: 1.4rem;
      cursor: pointer;
      color: var(--text-muted);
    }
    @media (max-width: 600px) {
      body {
        padding: 16px;
      }
      .details-card {
        padding: 24px 20px;
      }
    }