:root {
        color-scheme: light;
        --bg: #eef4ff;
        --surface: rgba(255, 255, 255, 0.9);
        --surface-solid: #ffffff;
        --text: #0f172a;
        --muted: #475569;
        --line: #d6e4ff;
        --accent: #2563eb;
        --accent-strong: #1d4ed8;
        --shadow: 0 20px 45px -28px rgba(15, 23, 42, 0.35);
      }

      * {
        box-sizing: border-box;
      }

      body {
        margin: 0;
        font-family: "Segoe UI", "Nunito", "Avenir Next", Arial, sans-serif;
        color: var(--text);
        background:
          radial-gradient(circle at 95% 8%, rgba(37, 99, 235, 0.22), transparent 36%),
          radial-gradient(circle at 10% 95%, rgba(56, 189, 248, 0.15), transparent 32%),
          var(--bg);
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
      }

      .wrap {
        width: min(960px, calc(100% - 32px));
        margin: 0 auto;
      }

      .hero {
        padding: clamp(52px, 8vw, 92px) 0 clamp(44px, 6vw, 64px);
      }

      .hero-card {
        border: 1px solid var(--line);
        border-radius: 24px;
        background: var(--surface);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
        padding: clamp(24px, 4vw, 42px);
        box-shadow: var(--shadow);
      }

      .eyebrow {
        display: inline-block;
        border-radius: 999px;
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(29, 78, 216, 0.08));
        color: var(--accent-strong);
        border: 1px solid rgba(37, 99, 235, 0.18);
        padding: 8px 13px;
        font-size: 12px;
        font-weight: 800;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }

      h1 {
        margin: 18px 0 12px;
        font-size: clamp(30px, 5vw, 48px);
        line-height: 1.08;
        letter-spacing: -0.02em;
      }

      p {
        margin: 0;
        color: var(--muted);
        line-height: 1.7;
        max-width: 62ch;
      }

      .actions {
        margin-top: 28px;
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
      }

      .btn {
        border-radius: 12px;
        padding: 12px 18px;
        font-weight: 700;
        text-decoration: none;
        transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
      }

      .btn:focus-visible {
        outline: 3px solid rgba(37, 99, 235, 0.3);
        outline-offset: 2px;
      }

      .btn-primary {
        background: linear-gradient(135deg, var(--accent), var(--accent-strong));
        color: #fff;
        box-shadow: 0 12px 20px -14px rgba(29, 78, 216, 0.9);
      }

      .btn-primary:hover {
        transform: translateY(-1px);
        box-shadow: 0 14px 24px -14px rgba(29, 78, 216, 0.95);
      }

      .btn-secondary {
        border: 1px solid var(--line);
        color: var(--text);
        background: var(--surface-solid);
      }

      .btn-secondary:hover {
        transform: translateY(-1px);
        border-color: #bfdbfe;
        background: #f8fbff;
      }

      .meta {
        margin-top: 22px;
        font-size: 14px;
      }

      @media (max-width: 640px) {
        .wrap {
          width: min(960px, calc(100% - 22px));
        }

        .hero-card {
          border-radius: 18px;
        }

        .actions {
          gap: 10px;
        }

        .btn {
          flex: 1 1 100%;
          text-align: center;
          padding: 13px 16px;
        }
      }