/* ── Tokens ────────────────────────────────────────────── */
  :root {
    --teal:       #00A896;
    --teal-dark:  #007A6D;
    --teal-deep:  #004D44;
    --teal-light: #E6F7F5;
    --teal-pale:  #F0FBFA;
    --yellow:     #FFD700;
    --white:      #FFFFFF;
    --gray-1:     #F7F9F9;
    --gray-2:     #E8F0EF;
    --gray-3:     #B0C8C5;
    --text:       #1A2E2B;
    --text-soft:  #4A6560;
    --red:        #D93025;

    --radius:     12px;
    --shadow:     0 4px 24px rgba(0,168,150,.13);
    --shadow-sm:  0 2px 8px  rgba(0,168,150,.10);
  }

  /* ── Reset ─────────────────────────────────────────────── */
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--white);
    color: var(--text);
    line-height: 1.6;
  }
  img { display: block; max-width: 100%; }
  a { color: var(--teal); text-decoration: none; }
  a:hover { text-decoration: underline; }

  /* ── Header ────────────────────────────────────────────── */
  header {
    background: var(--teal-deep);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0,0,0,.2);
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -.3px;
  }
  .logo-badge {
    background: var(--teal);
    color: var(--white);
    border-radius: 6px;
    padding: 3px 9px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .5px;
  }
  .logo-sub {
    color: var(--gray-3);
    font-size: 12px;
    font-weight: 400;
  }
  .header-right {
    color: var(--gray-3);
    font-size: 13px;
    text-align: right;
  }
  .header-right strong { color: var(--white); font-size: 15px; display: block; }

  /* ── Hero ──────────────────────────────────────────────── */
  .hero {
    background: linear-gradient(135deg, var(--teal-deep) 0%, var(--teal-dark) 60%, var(--teal) 100%);
    padding: 72px 24px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.2);
    color: rgba(255,255,255,.85);
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .8px;
    text-transform: uppercase;
    margin-bottom: 20px;
  }
  .hero h1 {
    font-size: clamp(28px, 5vw, 52px);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 10px;
  }
  .hero h1 .ne {
    color: var(--yellow);
    font-style: italic;
    position: relative;
  }
  .hero-sub {
    font-size: clamp(15px, 2vw, 19px);
    color: rgba(255,255,255,.75);
    max-width: 560px;
    margin: 0 auto 36px;
  }
  .hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 44px;
  }
  .chip {
    background: rgba(255,255,255,.13);
    border: 1px solid rgba(255,255,255,.22);
    color: rgba(255,255,255,.9);
    border-radius: 20px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
  }
  .hero-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,.5);
    font-size: 12px;
    letter-spacing: .5px;
    animation: bounce 2s infinite;
  }
  @keyframes bounce {
    0%,100%{ transform: translateY(0)   }
    50%     { transform: translateY(6px) }
  }
  .arrow-icon { font-size: 22px; }

  /* ── Form section ──────────────────────────────────────── */
  .form-section {
    background: var(--teal-pale);
    padding: 64px 24px 72px;
  }
  .form-wrap {
    max-width: 640px;
    margin: 0 auto;
  }
  .section-label {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 8px;
  }
  .section-title {
    font-size: clamp(22px, 3.5vw, 32px);
    font-weight: 800;
    color: var(--teal-deep);
    margin-bottom: 8px;
    line-height: 1.2;
  }
  .section-desc {
    color: var(--text-soft);
    margin-bottom: 36px;
    font-size: 15px;
  }

  /* card */
  .form-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px 40px 40px;
  }
  @media(max-width:520px){ .form-card{ padding: 24px 18px 28px; } }

  /* VIN input – the hero element */
  .vin-group {
    margin-bottom: 28px;
  }
  .vin-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
  }
  .vin-label label {
    font-size: 13px;
    font-weight: 700;
    color: var(--teal-deep);
    letter-spacing: .3px;
  }
  .vin-hint { font-size: 11px; color: var(--gray-3); }
  .vin-input-wrap { position: relative; }
  #vin {
    width: 100%;
    height: 60px;
    border: 2px solid var(--teal);
    border-radius: 10px;
    padding: 0 52px 0 16px;
    font-size: 22px;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--teal-deep);
    text-transform: uppercase;
    background: var(--teal-light);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
  }
  #vin:focus {
    border-color: var(--teal-dark);
    box-shadow: 0 0 0 4px rgba(0,168,150,.15);
    background: var(--white);
  }
  #vin::placeholder { color: var(--gray-3); letter-spacing: 2px; font-size: 16px; }
  .vin-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 22px;
    pointer-events: none;
  }
  .vin-counter {
    text-align: right;
    font-size: 11px;
    color: var(--gray-3);
    margin-top: 5px;
  }
  .vin-counter.ok { color: var(--teal); font-weight: 700; }
  .vin-counter.err { color: var(--red); }

  /* divider */
  .form-divider {
    border: none;
    border-top: 1px solid var(--gray-2);
    margin: 24px 0;
  }

  /* field grid */
  .field-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
  }
  @media(max-width:480px){ .field-grid{ grid-template-columns: 1fr; } }
  .field-full { grid-column: 1 / -1; }

  .field label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-soft);
    margin-bottom: 6px;
    letter-spacing: .3px;
    text-transform: uppercase;
  }
  .field input {
    width: 100%;
    height: 46px;
    border: 1.5px solid var(--gray-2);
    border-radius: 8px;
    padding: 0 14px;
    font-size: 15px;
    color: var(--text);
    background: var(--white);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
  }
  .field input:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(0,168,150,.12);
  }
  .field input.error { border-color: var(--red); }
  .field-err {
    font-size: 11px;
    color: var(--red);
    margin-top: 4px;
    min-height: 16px;
  }
  .field input::placeholder { color: var(--gray-3); }

  /* consent */
  .consent {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin: 20px 0 24px;
  }
  .consent input[type=checkbox] {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--teal);
    cursor: pointer;
  }
  .consent label {
    font-size: 12px;
    color: var(--text-soft);
    cursor: pointer;
    line-height: 1.5;
  }
  .consent label a { font-weight: 600; }

  /* submit */
  .btn-submit {
    width: 100%;
    height: 56px;
    background: var(--teal);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s, transform .1s, box-shadow .2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(0,168,150,.35);
  }
  .btn-submit:hover { background: var(--teal-dark); box-shadow: 0 6px 20px rgba(0,168,150,.4); }
  .btn-submit:active { transform: scale(.99); }
  .btn-submit:disabled { background: var(--gray-3); cursor: not-allowed; box-shadow: none; }

  /* Spinner */
  .spinner {
    width: 20px; height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
    display: none;
  }
  @keyframes spin { to { transform: rotate(360deg); } }
  .btn-submit.loading .spinner { display: block; }
  .btn-submit.loading .btn-text { display: none; }

  /* Success state */
  .success-box {
    display: none;
    text-align: center;
    padding: 40px 20px;
  }
  .success-box.visible { display: block; }
  .success-icon {
    font-size: 56px;
    margin-bottom: 16px;
    animation: pop .4s ease;
  }
  @keyframes pop {
    0%  { transform: scale(0); }
    70% { transform: scale(1.15); }
    100%{ transform: scale(1); }
  }
  .success-box h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--teal-deep);
    margin-bottom: 8px;
  }
  .success-box p {
    color: var(--text-soft);
    font-size: 15px;
    max-width: 380px;
    margin: 0 auto 20px;
  }
  .success-vin {
    display: inline-block;
    background: var(--teal-light);
    border: 1.5px solid var(--teal);
    border-radius: 8px;
    padding: 8px 20px;
    font-family: monospace;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--teal-deep);
    margin-bottom: 24px;
  }
  .btn-reset {
    background: transparent;
    border: 2px solid var(--teal);
    color: var(--teal);
    border-radius: 8px;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background .2s, color .2s;
  }
  .btn-reset:hover { background: var(--teal); color: var(--white); }

  /* ── How it works ──────────────────────────────────────── */
  .steps-section {
    padding: 72px 24px;
    background: var(--white);
  }
  .steps-section .section-label,
  .steps-section .section-title { text-align: center; }
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 48px auto 0;
    position: relative;
  }
  .step {
    text-align: center;
    position: relative;
  }
  .step-num {
    width: 56px; height: 56px;
    background: var(--teal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    color: var(--white);
    margin: 0 auto 16px;
    box-shadow: 0 4px 16px rgba(0,168,150,.35);
  }
  .step h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--teal-deep);
    margin-bottom: 8px;
  }
  .step p {
    font-size: 14px;
    color: var(--text-soft);
    line-height: 1.55;
  }

  /* ── What you get ─────────────────────────────────────── */
  .report-section {
    background: var(--teal-pale);
    padding: 72px 24px;
  }
  .report-wrap {
    max-width: 860px;
    margin: 0 auto;
  }
  .report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 40px;
  }
  .report-card {
    background: var(--white);
    border-radius: var(--radius);
    border-left: 4px solid var(--teal);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
    transition: transform .15s;
  }
  .report-card:hover { transform: translateY(-2px); }
  .report-card.warn { border-left-color: #E07800; }
  .report-card.crit { border-left-color: var(--red); }
  .card-icon { font-size: 20px; margin-bottom: 8px; }
  .report-card h4 { font-size: 14px; font-weight: 700; color: var(--teal-deep); margin-bottom: 4px; }
  .report-card p  { font-size: 13px; color: var(--text-soft); }

  /* ── Trust bar ─────────────────────────────────────────── */
  .trust-bar {
    background: var(--teal-deep);
    padding: 40px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
    align-items: center;
  }
  .trust-item {
    text-align: center;
    color: var(--white);
  }
  .trust-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--yellow);
    line-height: 1;
    margin-bottom: 4px;
  }
  .trust-label {
    font-size: 13px;
    color: rgba(255,255,255,.7);
    max-width: 120px;
    margin: 0 auto;
  }
  .trust-divider {
    width: 1px; height: 48px;
    background: rgba(255,255,255,.15);
  }
  @media(max-width:600px){ .trust-divider{ display: none; } }

  /* ── Footer ────────────────────────────────────────────── */
  footer {
    background: var(--text);
    padding: 32px 24px;
    text-align: center;
    color: rgba(255,255,255,.45);
    font-size: 13px;
  }
  footer strong { color: rgba(255,255,255,.75); }

  /* ── Utility ───────────────────────────────────────────── */
  .center { text-align: center; }
  .mt-8  { margin-top: 8px; }
  .mt-16 { margin-top: 16px; }