* {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
      background: #f8f9fa;
      color: #1f2937;
    }

    a {
      color: inherit;
    }

    .nav {
      position: sticky;
      top: 0;
      z-index: 20;
      min-height: 76px;
      padding: 0 7%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(229, 231, 235, 0.9);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      background: #6A0DAD;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 12px 24px rgba(86, 40, 100, 0.18);
    }

    .brand-mark img {
      width: 24px;
      height: 24px;
      border-radius: 8px;
    }

    .brand-name {
      font-weight: 900;
      font-size: 23px;
      color: #1F1F1F;
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .nav-links a {
      text-decoration: none;
      font-size: 14px;
      font-weight: 700;
      color: #4b5563;
    }

    .nav-links a:hover {
      color: #6A0DAD;
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 95px 7% 80px;
      background:
        radial-gradient(circle at 82% 20%, rgba(106, 13, 173, 0.22), transparent 28%),
        radial-gradient(circle at 12% 30%, rgba(246, 66, 139, 0.12), transparent 24%),
        linear-gradient(135deg, #ffffff 0%, #f7edff 100%);
    }

    .hero::after {
      content: "";
      position: absolute;
      width: 420px;
      height: 420px;
      right: -140px;
      bottom: -170px;
      border-radius: 50%;
      background: rgba(106, 13, 173, 0.08);
      animation: floatOrb 7s ease-in-out infinite alternate;
    }

    @keyframes floatOrb {
      from {
        transform: translateY(0) scale(1);
      }
      to {
        transform: translateY(-24px) scale(1.05);
      }
    }

    .hero-content {
      position: relative;
      max-width: 980px;
      z-index: 2;
      animation: none;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 15px;
      border-radius: 999px;
      background: #f3e8ff;
      color: #6A0DAD;
      font-weight: 900;
      font-size: 13px;
      margin-bottom: 22px;
    }

    .badge-dot {
      width: 8px;
      height: 8px;
      background: #6A0DAD;
      border-radius: 50%;
      box-shadow: 0 0 0 6px rgba(106, 13, 173, 0.14);
    }

    .hero h1 {
      margin: 0;
      max-width: 920px;
      font-size: clamp(42px, 6vw, 76px);
      line-height: 0.98;
      letter-spacing: -2.6px;
      color: #1F1F1F;
    }

    .hero p {
      margin: 26px 0 0;
      max-width: 780px;
      font-size: 21px;
      line-height: 1.75;
      color: #4b5563;
    }

    .hero-actions {
      margin-top: 34px;
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 14px 24px;
      border-radius: 999px;
      text-decoration: none;
      font-weight: 900;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn-primary {
      color: #ffffff;
      background: #6A0DAD;
      box-shadow: 0 16px 34px rgba(106, 13, 173, 0.24);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 20px 40px rgba(106, 13, 173, 0.3);
    }

    .btn-secondary {
      background: #ffffff;
      color: #6A0DAD;
      border: 1px solid #eadcf3;
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: #fbf7ff;
    }

    .container {
      width: 86%;
      max-width: 1120px;
      margin: 0 auto;
      padding: 70px 0;
    }

    .article-shell {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 290px;
      gap: 34px;
      align-items: start;
    }

    .article {
      background: #ffffff;
      border: 1px solid #eef0f3;
      border-radius: 30px;
      padding: 44px;
      box-shadow: 0 22px 60px rgba(36, 16, 47, 0.06);
      animation: none;
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(18px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .meta {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 26px;
      color: #6b7280;
      font-size: 14px;
      font-weight: 700;
    }

    .meta span {
      padding: 8px 12px;
      background: #f8f9fa;
      border-radius: 999px;
    }

    .article h2 {
      margin: 42px 0 14px;
      font-size: 34px;
      line-height: 1.15;
      letter-spacing: -0.8px;
      color: #1F1F1F;
    }

    .article h3 {
      margin: 30px 0 12px;
      font-size: 24px;
      color: #1F1F1F;
    }

    .article p {
      margin: 0 0 20px;
      font-size: 18px;
      line-height: 1.86;
      color: #374151;
    }

    .article strong {
      color: #1F1F1F;
    }

    .article ul {
      margin: 10px 0 26px;
      padding-left: 22px;
    }

    .article li {
      margin-bottom: 12px;
      font-size: 17px;
      line-height: 1.75;
      color: #4b5563;
    }

    .quote-card {
      margin: 34px 0;
      padding: 30px;
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(106, 13, 173, 0.96), rgba(106, 13, 173, 0.88));
      color: #ffffff;
      position: relative;
      overflow: hidden;
    }

    .quote-card::after {
      content: "";
      position: absolute;
      width: 160px;
      height: 160px;
      right: -50px;
      top: -50px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.12);
    }

    .quote-card p {
      position: relative;
      color: #ffffff;
      font-size: 23px;
      line-height: 1.55;
      font-weight: 800;
      margin: 0;
      z-index: 1;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
      margin: 28px 0;
    }

    .feature-card {
      padding: 24px;
      border-radius: 24px;
      background: #fbf7ff;
      border: 1px solid #efe2f7;
      transition: transform 0.22s ease, box-shadow 0.22s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 34px rgba(106, 13, 173, 0.12);
    }

    .feature-icon {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      background: #6A0DAD;
      color: white;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .feature-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
    }

    .feature-card p {
      font-size: 16px;
      line-height: 1.7;
      margin: 0;
      color: #5b6472;
    }

    .toc {
      position: sticky;
      top: 100px;
      background: #ffffff;
      border: 1px solid #eef0f3;
      border-radius: 26px;
      padding: 24px;
      box-shadow: 0 18px 44px rgba(36, 16, 47, 0.05);
      animation: none;
    }

    .toc h2 {
      margin: 0 0 14px;
      font-size: 18px;
      color: #1F1F1F;
    }

    .toc a {
      display: block;
      padding: 10px 0;
      color: #4b5563;
      text-decoration: none;
      font-weight: 700;
      font-size: 14px;
      border-bottom: 1px solid #f1f3f5;
    }

    .toc a:hover {
      color: #6A0DAD;
    }

    .cta {
      margin-top: 38px;
      padding: 36px;
      border-radius: 30px;
      background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.18), transparent 26%),
        linear-gradient(135deg, #1F1F1F, #6A0DAD);
      color: #ffffff;
      overflow: hidden;
      position: relative;
    }

    .cta h2 {
      color: #ffffff;
      margin: 0 0 12px;
    }

    .cta p {
      color: #f3e8ff;
      margin-bottom: 0;
    }

    .footer {
      padding: 38px 7%;
      background: #1F1F1F;
      color: #f3e8ff;
    }

    .footer a {
      color: #ffffff;
      text-decoration: none;
      font-weight: 700;
    }

    .footer p {
      margin: 8px 0;
      color: #f3e8ff;
    }

    @media (prefers-reduced-motion: reduce) {
      * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
      }
    }

    @media (max-width: 980px) {
      .article-shell {
        grid-template-columns: 1fr;
      }

      .toc {
        position: relative;
        top: auto;
        order: -1;
      }
    }

    @media (max-width: 760px) {
      .nav {
        padding: 18px 24px;
        align-items: flex-start;
        flex-direction: column;
      }

      .nav-links {
        margin-top: 16px;
        flex-wrap: wrap;
        gap: 14px;
      }

      .hero {
        padding: 64px 24px 58px;
      }

      .hero h1 {
        letter-spacing: -1.5px;
      }

      .hero p {
        font-size: 18px;
      }

      .container {
        width: 90%;
        padding: 42px 0;
      }

      .article {
        padding: 28px;
        border-radius: 24px;
      }

      .article h2 {
        font-size: 28px;
      }

      .feature-grid {
        grid-template-columns: 1fr;
      }
    }
