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

  :root {
    --green: #2D9B6E;
    --blue: #2563EB;
    --dark: #0F172A;
    --gray: #64748B;
    --light: #F8FAFC;
    --accent: #C97C2B;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark);
    color: #E2E8F0;
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* Animated mountain background */
  .bg-mountains {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40vh;
    z-index: 0;
    opacity: 0.08;
  }
  .bg-mountains svg { width: 100%; height: 100%; }

  .container {
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
    padding: 80px 24px 48px;
    text-align: center;
  }

  /* Logo */
  .logo {
    display: inline-block;
    margin-bottom: 48px;
  }
  .logo svg { height: 56px; width: auto; }

  /* Hero */
  .tagline {
    font-size: 1.1rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    margin-bottom: 16px;
  }

  h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--green), var(--blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .subtitle {
    font-size: 1.25rem;
    color: #94A3B8;
    line-height: 1.6;
    margin-bottom: 48px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Feature pills */
  .features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
  }
  .pill {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 100px;
    padding: 8px 20px;
    font-size: 0.9rem;
    color: #CBD5E1;
    backdrop-filter: blur(8px);
    transition: all 0.2s;
  }
  .pill:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--green);
    color: white;
  }
  .pill-icon { margin-right: 6px; }

  /* Email form */
  .signup-section {
    margin-bottom: 32px;
  }
  .signup-label {
    font-size: 0.95rem;
    color: var(--gray);
    margin-bottom: 16px;
    font-weight: 500;
  }
  .form-row {
    display: flex;
    gap: 8px;
    max-width: 440px;
    margin: 0 auto;
  }
  .form-row input {
    flex: 1;
    padding: 14px 18px;
    border-radius: 12px;
    border: 2px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.05);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
  }
  .form-row input::placeholder { color: #475569; }
  .form-row input:focus { border-color: var(--green); }

  .form-row button {
    padding: 14px 28px;
    border-radius: 12px;
    border: none;
    background: linear-gradient(135deg, var(--green), var(--blue));
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
  }
  .form-row button:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(45,155,110,0.3);
  }
  .form-row button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
  }

  /* Feedback message */
  .feedback {
    margin-top: 12px;
    font-size: 0.9rem;
    min-height: 24px;
    transition: all 0.3s;
  }
  .feedback.success { color: var(--green); }
  .feedback.error { color: #EF4444; }
  .feedback.info { color: var(--accent); }

  /* Social proof counter */
  .social-proof {
    margin-top: 8px;
    font-size: 0.85rem;
    color: #475569;
  }
  .social-proof strong { color: var(--gray); }

  /* Score preview mockup */
  .preview {
    margin-top: 64px;
    margin-bottom: 48px;
    position: relative;
  }
  .preview-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #475569;
    margin-bottom: 20px;
    font-weight: 600;
  }
  .mock-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 32px;
    max-width: 400px;
    margin: 0 auto;
    backdrop-filter: blur(12px);
    text-align: left;
  }
  .mock-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
  }
  .mock-route-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #E2E8F0;
  }
  .mock-route-meta {
    font-size: 0.85rem;
    color: #64748B;
    margin-top: 4px;
  }
  .mock-score {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    color: var(--accent);
  }
  .mock-score-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #64748B;
    text-align: right;
    margin-top: 4px;
  }
  .mock-score-desc {
    font-size: 0.8rem;
    color: var(--accent);
    text-align: right;
    font-weight: 600;
  }
  .mock-profile {
    height: 60px;
    margin-bottom: 16px;
    position: relative;
  }
  .mock-profile svg {
    width: 100%;
    height: 100%;
  }
  .mock-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .mock-stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: #CBD5E1;
  }
  .mock-stat-label {
    font-size: 0.75rem;
    color: #475569;
  }

  /* Glow effect behind card */
  .preview::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(45,155,110,0.15), transparent 70%);
    border-radius: 50%;
    z-index: -1;
  }

  /* Footer */
  .footer {
    margin-top: 64px;
    font-size: 0.8rem;
    color: #334155;
  }
  .footer a { color: #475569; text-decoration: none; }
  .footer a:hover { color: var(--green); }

  /* Responsive */
  @media (max-width: 480px) {
    .container { padding: 48px 16px 32px; }
    h1 { font-size: 2.4rem; }
    .form-row { flex-direction: column; }
    .form-row button { width: 100%; }
    .mock-card { padding: 24px; }
  }

  /* Subtle entrance animation */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .container > * {
    animation: fadeUp 0.6s ease-out both;
  }
  .container > :nth-child(2) { animation-delay: 0.1s; }
  .container > :nth-child(3) { animation-delay: 0.15s; }
  .container > :nth-child(4) { animation-delay: 0.2s; }
  .container > :nth-child(5) { animation-delay: 0.25s; }
  .container > :nth-child(6) { animation-delay: 0.3s; }
  .container > :nth-child(7) { animation-delay: 0.4s; }