:root {
    --green: #00D26A;
    --green-dark: #00B85C;
    --green-light: #E8FFF1;
    --green-glow: rgba(0, 210, 106, 0.15);
    --dark: #0F1A2E;
    --text: #1A2B4A;
    --text-muted: #5A6B8A;
    --white: #FFFFFF;
    --border: #E2E8F0;
  }

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

  body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
    overflow-x: hidden;
  }

  /* Removed decorative background halos to keep page purely white */

  .container {
    width: 100%;
    max-width: 480px;
    position: relative;
    z-index: 1;
    animation: fadeUp 0.7s cubic-bezier(.22,1,.36,1);
  }

  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
  }

  .header {
    text-align: center;
    margin-bottom: 20px;
  }

  .logos-section {
    margin: 30px 0 30px;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .logos-separator {
    flex: 1;
    height: 1px;
    background: #E5E7EB;
  }

  .logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
  }

  .logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .logo-img {
    height: 20px;
    width: auto;
    display: block;
    filter: drop-shadow(0 8px 20px rgba(15, 23, 42, 0.25));
  }

  .partnership {
    font-family: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 700;
    color: var(--green);
  }

  .badge {
    display: inline-block;
    background: var(--green-glow);
    color: var(--green);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
  }

  h1 {
    font-family: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 700;
    color: #262626;
    line-height: 1.2;
  }

  h1 span {
    color: #05B965;
  }

  .subtitle {
    margin-top: 20px;
    font-size: 16px;
    color: #262626;
    line-height: 1.6;
  }

  .event-meta {
    margin: 24px 0 28px;
    display: flex;
    justify-content: center;
    gap: 12px;
    font-size: 15px;
    color: #111827;
  }

  .event-meta-item {
    flex: 1 1 0;
    max-width: 150px;
    padding: 10px 14px;
    text-align: left;
    border-radius: 12px;
    background: #F9FAFB;
    border: 1px solid #E5E7EB;
  }

  .event-meta-label {
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    font-size: 11px;
    color: #9CA3AF;
    margin-bottom: 4px;
  }

  .event-meta-value {
    font-weight: 600;
    color: #111827;
  }

  /* ── Card ── */
  .card {
    background: var(--white);
    border-radius: 24px;
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
  }

  .form-group {
    margin-bottom: 16px;
  }

  label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
  }

  label.muted {
    color: var(--text-muted);
  }

  label .opt {
    font-weight: 400;
    color: var(--text-muted);
  }

  input {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    font-family: inherit;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--white);
    color: var(--text);
    outline: none;
    transition: border-color 0.2s;
  }

  input::placeholder { color: #B0BEC5; }
  input:focus { border-color: var(--green); }
  input.error { border-color: #EF4444; }

  .error-msg {
    font-size: 12px;
    color: #EF4444;
    margin-top: 4px;
    display: none;
  }

  .error-msg.show { display: block; }

  .btn {
    width: 100%;
    padding: 16px;
    margin-top: 12px;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    color: var(--white);
    background: #05B965;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 20px var(--green-glow);
  }

  .btn:hover {
    background: var(--green-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 30px var(--green-glow);
  }

  .disclaimer {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 16px;
    line-height: 1.6;
  }

  /* ── Success ── */
  .success {
    display: none;
    text-align: center;
    animation: fadeInScale 0.5s ease;
  }

  .success.show { display: block; }

  .success-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--green-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
  }

  .success h3 {
    font-family: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
  }

  .success p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  .success strong { color: var(--text); }

  @media (max-width: 520px) {
    .form-row { grid-template-columns: 1fr; }
    .card { padding: 28px 20px; }

    .event-meta {
      flex-direction: column;
      gap: 8px;
      align-items: flex-start;
    }

    .event-meta-item {
      max-width: none;
      width: 100%;
    }
  }