:root {
      --bg: #fcfbf8;
      --bg-soft: #f7f4ee;
      --surface: rgba(255,255,255,0.92);
      --surface-border: rgba(15, 23, 42, 0.08);
      --text: #111827;
      --muted: #5b6472;
      --accent: #1d4ed8;
      --accent-strong: #1e40af;
      --ring: #93c5fd;
      --shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(191, 219, 254, 0.30), transparent 30%),
        radial-gradient(circle at 85% 12%, rgba(219, 234, 254, 0.55), transparent 24%),
        linear-gradient(180deg, var(--bg), var(--bg-soft));
      line-height: 1.6;
      min-height: 100vh;
    }

    a {
      color: inherit;
      text-decoration-thickness: 0.08em;
      text-underline-offset: 0.18em;
    }

    a:hover { color: var(--accent-strong); }

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid var(--ring);
      outline-offset: 3px;
      border-radius: 0.4rem;
    }

    .skip-link {
      position: absolute;
      left: 1rem;
      top: -100px;
      padding: 0.75rem 1rem;
      background: #ffffff;
      color: #0f172a;
      border-radius: 0.75rem;
      box-shadow: var(--shadow);
      z-index: 100;
      transition: top 500ms;
    }

    .skip-link:focus {
      top: 20px;
    }

    .site-wrap {
      width: min(100% - 2rem, 72rem);
      margin: 0 auto;
      padding: 1rem 0 3rem;
    }

    .site-header {
      padding: 1.25rem 0 0.5rem;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 0.75rem;
      text-decoration: none;
      font-weight: 700;
      letter-spacing: 0.01em;
    }

    .brand-mark {
      inline-size: 2.5rem;
      block-size: 2.5rem;
      border-radius: 0.9rem;
      background: linear-gradient(135deg, var(--accent), #7c3aed);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      box-shadow: 0 14px 32px rgba(29, 78, 216, 0.28);
    }

    main {
      display: grid;
      gap: 1.5rem;
      padding-top: 2rem;
    }

    .panel {
      background: var(--surface);
      border: 1px solid var(--surface-border);
      border-radius: 1.5rem;
      backdrop-filter: blur(10px);
      box-shadow: var(--shadow);
    }

    .hero {
      padding: clamp(1.5rem, 4vw, 3rem);
    }

    .eyebrow,
    .pill {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      border: 1px solid var(--surface-border);
      border-radius: 999px;
      padding: 0.45rem 0.8rem;
      color: var(--muted);
      font-size: 0.95rem;
      background: rgba(255,255,255,0.82);
    }

    h1, h2 {
      line-height: 1.1;
      letter-spacing: -0.03em;
      margin: 0;
    }

    h1 {
      margin-top: 1rem;
      font-size: clamp(2.3rem, 8vw, 4.8rem);
      max-width: 12ch;
    }

    .lead {
      max-width: 58ch;
      margin: 1rem 0 0;
      font-size: clamp(1.05rem, 2vw, 1.2rem);
      color: var(--muted);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-top: 1.5rem;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 2.9rem;
      padding: 0.8rem 1.1rem;
      border-radius: 999px;
      font-weight: 600;
      text-decoration: none;
      border: 1px solid transparent;
    }

    .button-primary {
      background: var(--accent);
      color: #ffffff;
    }

    .button-primary:hover {
      background: var(--accent-strong);
      color: #ffffff;
    }

    .button-secondary {
      border-color: var(--surface-border);
      color: var(--text);
      background: transparent;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 1rem;
    }

    .card {
      grid-column: span 12;
      padding: 1.35rem;
    }

    .card h2 {
      font-size: 1.15rem;
      margin-bottom: 0.5rem;
    }

    .card p,
    .card li,
    .faq p {
      color: var(--muted);
      margin: 0;
    }

    .feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 0.7rem;
    }

    .feature-list li::before {
      content: "• ";
      color: var(--accent);
      font-weight: 700;
    }

    .faq {
      padding: 1.5rem;
    }

    .faq-list {
      display: grid;
      gap: 1rem;
      margin-top: 1rem;
    }

    .faq-item {
      padding-top: 1rem;
      border-top: 1px solid var(--surface-border);
    }

    .faq-item:first-child { padding-top: 0; border-top: 0; }

    .faq-item h3 {
      margin: 0 0 0.35rem;
      font-size: 1rem;
    }

    .site-footer {
      padding: 1.5rem 0 0.5rem;
      color: var(--muted);
      font-size: 0.95rem;
    }

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

    @media (min-width: 48rem) {
      .card.span-4 { grid-column: span 4; }
      .card.span-6 { grid-column: span 6; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }