<style>
    :root{
      --primary:#2563eb;
      --text:#1f2933;
      --muted:#6b7280;
      --bg:#f9fafb;
      --card:#ffffff;
    }
    *{box-sizing:border-box;}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial;
      background:var(--bg);
      color:var(--text);
      line-height:1.7;
    }
    .container{
      max-width:900px;
      margin:auto;
      padding:20px;
    }
    .card{
      background:var(--card);
      border-radius:12px;
      padding:28px;
      box-shadow:0 10px 25px rgba(0,0,0,0.05);
    }
    h1{
      font-size:clamp(1.6rem,4vw,2.2rem);
      margin-bottom:10px;
      color:var(--primary);
    }
    h2{
      font-size:1.2rem;
      margin-top:30px;
      color:#111827;
    }
    p,li{
      font-size:0.95rem;
      color:var(--text);
    }
    ul{padding-left:18px;}
    .updated{
      font-size:0.85rem;
      color:var(--muted);
      margin-bottom:20px;
    }
    footer{
      text-align:center;
      font-size:0.85rem;
      color:var(--muted);
      margin-top:40px;
    }
    a{color:var(--primary);text-decoration:none;}
    a:hover{text-decoration:underline;}

    /* footer */
    .footer {
  background: radial-gradient(
      at top left,
      #ff6ec4,
      transparent 40%
    ),
    radial-gradient(at bottom right, #7873f5, transparent 40%),
    linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  padding: 60px 20px 20px;
  font-family: "Poppins", sans-serif;
}

.footer-container {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}

.footer-box h3,
.footer-box h4 {
  margin-bottom: 15px;
}

.footer-box p {
  font-size: 14px;
  line-height: 1.6;
  opacity: 0.9;
}

.footer-box ul {
  list-style: none;
  padding: 0;
}

.footer-box ul li {
  margin-bottom: 10px;
}

.footer-box ul li a {
  color: #ddd;
  text-decoration: none;
  transition: 0.3s;
}

.footer-box ul li a:hover {
  color: #ff6ec4;
  padding-left: 5px;
}

.social-icons {
  display: flex;
  gap: 12px;
}

.social-icons a {
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  transition: 0.4s;
}

.social-icons a:hover {
  transform: translateY(-5px) scale(1.05);
  background: linear-gradient(135deg, #ff6ec4, #7873f5);
}

.footer-bottom {
  margin-top: 40px;
  text-align: center;
  font-size: 13px;
  opacity: 0.8;
}
