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

    body {
      font-family: 'Segoe UI', sans-serif;
      background: #f4f7fb;
      color: #222;
    }

    /* =========================
   HERO SECTION
========================= */

    .hero {
      background: linear-gradient(135deg, #0f172a, #1e3a8a, #2563eb);
      color: #fff;
      text-align: center;
      padding: 100px 20px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      width: 350px;
      height: 350px;
      background: rgba(255, 255, 255, 0.07);
      border-radius: 50%;
      top: -120px;
      left: -100px;
    }

    .hero::after {
      content: '';
      position: absolute;
      width: 400px;
      height: 400px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 50%;
      bottom: -160px;
      right: -120px;
    }

    .hero h1 {
      font-size: 3.5rem;
      margin-bottom: 20px;
      position: relative;
      z-index: 2;
    }

    .hero p {
      max-width: 950px;
      margin: auto;
      font-size: 1.15rem;
      position: relative;
      z-index: 2;
    }

    /* =========================
   MAIN CONTAINER
========================= */

    .container {
      width: 95%;
      max-width: 1200px;
      margin: 50px auto;
    }

    /* =========================
   CONTENT CARD
========================= */

    .card {
      background: #fff;
      padding: 5%;
      border-radius: 20px;
      margin-bottom: 35px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }

    .card h2 {
      color: #1e3a8a;
      margin-bottom: 20px;
      border-left: 6px solid #2563eb;
      padding-left: 14px;
      font-size: 2rem;
    }

    .card h3 {
      margin-top: 25px;
      margin-bottom: 12px;
      color: #2563eb;
    }

    .highlight {
      background: #eff6ff;
      border-left: 5px solid #2563eb;
      padding: 20px;
      border-radius: 12px;
      margin: 20px 0;
    }

    /* =========================
   PREAMBLE BOX
========================= */

    /* =========================
   PREAMBLE CARD
========================= */

    .card-preamble {
      background: #ffffff;
      padding: 4%;
      border-radius: 28px;
      margin-bottom: 40px;
      box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(37, 99, 235, 0.08);
      position: relative;
      overflow: hidden;
    }

    .card-preamble::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 6px;
      background: linear-gradient(90deg, #f97316, #2563eb, #16a34a);
    }

    /* =========================
   HEADING
========================= */

    .card-preamble h2 {
      text-align: center;
      font-size: 2.4rem;
      color: #0f172a;
      margin-bottom: 35px;
      font-weight: 800;
      position: relative;
      padding-bottom: 15px;
    }

    .card-preamble h2::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 140px;
      height: 4px;
      border-radius: 20px;
      background: linear-gradient(90deg, #2563eb, #f97316);
    }

    /* =========================
   PREAMBLE BOX
========================= */

    .preamble-box {
      background:
        linear-gradient(rgba(255, 255, 255, 0.96),
          rgba(255, 255, 255, 0.96)),
        url('https://www.transparenttextures.com/patterns/cream-paper.png');

      border: 2px solid #dbeafe;
      border-radius: 24px;

      padding:6% 2% 6% 2%;

      color: #111827;

      font-size: 1.45rem;
      line-height: 45px;

      text-align: center;

      box-shadow:
        inset 0 0 25px rgba(37, 99, 235, 0.05),
        0 10px 25px rgba(0, 0, 0, 0.06);

      position: relative;
    }

    /* Decorative Quotes */

    .preamble-box::before {
      content: '“';
      position: absolute;
      top: 10px;
      left: 12px;
      font-size: 6rem;
      color: rgba(37, 99, 235, 0.12);
      font-weight: bold;
      line-height: 1;
    }

    .preamble-box::after {
      content: '”';
      position: absolute;
      bottom: -25px;
      right: 25px;
      font-size: 6rem;
      color: rgba(249, 115, 22, 0.12);
      font-weight: bold;
      line-height: 1;
    }

    /* =========================
   PARAGRAPH STYLE
========================= */

    .preamble-box p {
      margin-bottom: 18px;
      transition: 0.3s ease;
    }

    .preamble-box p:hover {
      transform: scale(1.01);
    }

    /* =========================
   BOLD WORDS
========================= */

    .preamble-box strong {
      color: #0f172a;
      font-weight: 800;
      background: linear-gradient(120deg,
          rgba(37, 99, 235, 0.15),
          rgba(249, 115, 22, 0.15));
      padding: 2px 8px;
      border-radius: 8px;
    }

    /* =========================
   RESPONSIVE DESIGN
========================= */

    @media(max-width:768px) {

      .card-preamble {
        padding: 25px;
        border-radius: 22px;
      }

      .card-preamble h2 {
        font-size: 1.8rem;
        line-height: 1.4;
      }

      .preamble-box {
        padding: 35px 20px;
        font-size: 1.08rem;
        line-height: 1.8;
      }

      .preamble-box::before,
      .preamble-box::after {
        font-size: 4rem;
      }

    }

    /* =========================
      preamble end 
    ========================= */

    /* =========================
   TABLE
========================= */

    table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 20px;
    }

    table th {
      background: #1e3a8a;
      color: #fff;
      padding: 14px;
      text-align: left;
    }

    table td {
      padding: 14px;
      border: 1px solid #dbeafe;
    }

    tr:nth-child(even) {
      background: #f8fbff;
    }

    /* =========================
   LIST
========================= */

    ul {
      padding-left: 25px;
    }

    li {
      margin-bottom: 12px;
    }

    /* =========================
   TAGS
========================= */

    .tags {
      margin-top: 20px;
    }

    .tag {
      display: inline-block;
      background: #dbeafe;
      color: #1e40af;
      padding: 10px 16px;
      border-radius: 30px;
      margin: 6px;
      font-weight: 600;
    }

    /* =========================
   RESPONSIVE
========================= */

    @media(max-width:768px) {

      .hero h1 {
        font-size: 2.3rem;
      }

      .card {
        padding: 22px;
      }

      .card h2 {
        font-size: 1.5rem;
      }

      .preamble-box {
        padding: 25px;
      }

    }