:root {
      --tn-blue: #1e5eff;
      --tn-blue-dark: #1247d6;
      --tn-blue-soft: #eef3ff;
      --tn-blue-light: #f5f8ff;
      --tn-ink: #0f1c3f;
      --tn-muted: #6b7590;
      --tn-border: #e8edf7;
    }

    * {
      font-family: "Plus Jakarta Sans", sans-serif;
    }

    body {
      color: var(--tn-ink);
      background: #ffffff;
    }

    /* ---------- Utilities ---------- */
    .text-blue { color: var(--tn-blue) !important; }
    .bg-blue { background-color: var(--tn-blue) !important; }
    .bg-blue-soft { background-color: var(--tn-blue-soft) !important; }
    .bg-blue-light { background-color: var(--tn-blue-light) !important; }
    .text-muted-tn { color: var(--tn-muted) !important; }
    .fw-800 { font-weight: 800 !important; }
    .section-label {
      color: var(--tn-blue);
      font-weight: 700;
      font-size: 0.78rem;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    .btn-tn-primary {
      background-color: var(--tn-blue);
      color: #fff;
      border-radius: 10px;
      padding: 0.7rem 1.4rem;
      font-weight: 600;
      border: none;
      transition: background-color 0.2s ease;
    }
    .btn-tn-primary:hover { background-color: #fff; color: var(--tn-blue-dark);border: 2px solid var(--tn-blue-dark); }

    .btn-tn-outline {
      background-color: #fff;
      color: var(--tn-blue);
      border: 1.5px solid var(--tn-border);
      border-radius: 10px;
      padding: 0.7rem 1.4rem;
      font-weight: 600;
      transition: all 0.2s ease;
    }
    .btn-tn-outline:hover { border-color: var(--tn-blue); color: var(--tn-blue); }

    /* ---------- Navbar ---------- */
    .navbar {
      background: #fff;
      box-shadow: 0 2px 20px rgba(15, 28, 63, 0.04);
      padding-top: 0.9rem;
      padding-bottom: 0.9rem;
    }
    .brand-mark {
      width: 34px; height: 34px;
      background: var(--tn-blue);
      border-radius: 9px;
      display: grid; place-items: center;
      color: #fff; font-size: 1rem;
    }
    .navbar .nav-link {
      color: var(--tn-ink);
      font-weight: 500;
      font-size: 0.94rem;
      margin: 0 0.55rem;
    }
    .navbar .nav-link.active { color: var(--tn-blue); font-weight: 600; }
    .navbar .nav-link:hover { color: var(--tn-blue); }
    .brand-sub { font-size: 0.6rem; letter-spacing: 0.05em; color: var(--tn-muted); }

    /* ---------- Hero ---------- */
    .hero { background: linear-gradient(180deg, #f6f9ff 0%, #ffffff 100%); }
    .hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.12; }

    /* ---------- Info cards ---------- */
    .info-card {
      background: #fff;
      border: 1px solid var(--tn-border);
      border-radius: 16px;
      padding: 1.5rem;
      height: 100%;
      box-shadow: 0 8px 30px rgba(15, 28, 63, 0.04);
    }
    .icon-badge {
      width: 46px; height: 46px;
      border-radius: 12px;
      background: var(--tn-blue-soft);
      color: var(--tn-blue);
      display: grid; place-items: center;
      font-size: 1.2rem;
    }
    .social-dot {
      width: 32px; height: 32px;
      border-radius: 50%;
      background: var(--tn-blue-soft);
      color: var(--tn-blue);
      display: grid; place-items: center;
      font-size: 0.85rem;
      transition: all 0.2s ease;
    }
    .social-dot:hover { background: var(--tn-blue); color: #fff; }

    /* ---------- Form ---------- */
    .form-card {
      background: #fff;
      border: 1px solid var(--tn-border);
      border-radius: 18px;
      padding: 2rem;
      box-shadow: 0 10px 40px rgba(15, 28, 63, 0.05);
    }
    .form-control {
      background: var(--tn-blue-light);
      border: 1px solid var(--tn-border);
      border-radius: 10px;
      padding: 0.75rem 0.9rem;
      font-size: 0.9rem;
    }
    .form-control:focus {
      border-color: var(--tn-blue);
      box-shadow: 0 0 0 3px rgba(30, 94, 255, 0.12);
      background: #fff;
    }
    .title-underline {
      width: 46px; height: 3px;
      background: var(--tn-blue);
      border-radius: 2px;
      margin-top: 0.5rem;
    }

    /* ---------- Why cards ---------- */
    .why-section { background: var(--tn-blue-light); }
    .why-card {
      background: #fff;
      border: 1px solid var(--tn-border);
      border-radius: 14px;
      padding: 1.4rem;
      height: 100%;
    }

    /* ---------- Map ---------- */
    .map-wrap {
      border-radius: 18px;
      overflow: hidden;
      border: 1px solid var(--tn-border);
      box-shadow: 0 10px 40px rgba(15, 28, 63, 0.06);
    }
    .map-detail {
      background: #fff;
      border-top: 1px solid var(--tn-border);
      padding: 1.1rem 1.25rem;
    }

    /* ---------- FAQ ---------- */
    .faq-item {
      border: 1px solid var(--tn-border);
      border-radius: 12px;
      margin-bottom: 0.75rem;
      overflow: hidden;
    }
    .faq-item .accordion-button {
      background: #fff;
      color: var(--tn-ink);
      font-weight: 600;
      font-size: 0.95rem;
      box-shadow: none;
    }
    .faq-item .accordion-button:not(.collapsed) { color: var(--tn-blue); }
    .faq-item .accordion-button::after { display: none; }
    .faq-q-icon {
      width: 26px; height: 26px;
      border-radius: 50%;
      background: var(--tn-blue-soft);
      color: var(--tn-blue);
      display: grid; place-items: center;
      font-size: 0.75rem;
      margin-right: 0.75rem;
      flex: none;
    }
    .faq-plus { color: var(--tn-blue); font-size: 1.2rem; margin-left: auto; }

    /* ---------- CTA ---------- */
    .cta-banner {
      background: linear-gradient(120deg, var(--tn-blue) 0%, var(--tn-blue-dark) 100%);
      border-radius: 20px;
      color: #fff;
      overflow: hidden;
      position: relative;
    }
    .cta-icon {
      width: 60px; height: 60px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.15);
      display: grid; place-items: center;
      font-size: 1.5rem;
    }
    .btn-cta-light {
      background: #fff; color: var(--tn-blue);
      border-radius: 10px; font-weight: 600;
      padding: 0.7rem 1.3rem; border: none;
    }
    .btn-cta-outline {
      background: transparent; color: #fff;
      border: 1.5px solid rgba(255,255,255,0.6);
      border-radius: 10px; font-weight: 600;
      padding: 0.7rem 1.3rem;
    }
    .btn-cta-outline:hover { background: rgba(255,255,255,0.12); color: #fff; }

    /* ---------- Footer ---------- */
    footer { border-top: 1px solid var(--tn-border); }
    footer .foot-link {
      color: var(--tn-muted);
      text-decoration: none;
      font-size: 0.9rem;
      display: block;
      margin-bottom: 0.6rem;
    }
    footer .foot-link:hover { color: var(--tn-blue); }
    footer h6 { font-weight: 700; font-size: 0.95rem; margin-bottom: 1rem; }

    @media (max-width: 767.98px) {
      .hero h1 { font-size: 2.1rem; }
    }