{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
  }
  
  body {
    background-color: #fefefe;
    color: #333;
  }
  
  header.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1a1a1a;
    color: #fff;
    padding: 15px 8%;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  .logo span {
    font-weight: bold;
    font-size: 1.3em;
    color: #ff6b81;
  }
  
  nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s;
  }
  
  nav a:hover, nav a.active {
    color: #ff6b81;
  }
  
  .buttons button {
    background: #ff6b81;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    margin-left: 10px;
    transition: 0.3s;
  }
  
  .buttons button:hover {
    background: #ff3d5c;
  }
  
  .hero {
    text-align: center;
    padding: 70px 20px 30px;
    background: linear-gradient(180deg, #ffeaea, #fff);
  }
  
  .hero h1 {
    font-size: 2.3em;
    color: #c0392b;
  }
  
  .hero p {
    color: #555;
    margin-top: 10px;
    font-size: 1.1em;
  }
  
  .tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 50px 8%;
  }
  
  .tip-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
  }
  
  .tip-card:hover {
    transform: translateY(-5px);
  }
  .tip-card {
    position: relative;
    overflow: hidden;
  }
  
  .tip-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 70%, rgba(71, 47, 47, 0.032));
    pointer-events: none;
  }
  .tip-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    margin-top: 5
    px;
    border-radius: 50px;
    display: block;
  }
  .tip-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
  }
  
  .tip-card h3 {
    color: #c0392b;
    font-size: 1.2em;
    margin: 15px;
  }
  
  .tip-card p {
    color: #555;
    font-size: 0.95em;
    margin: 0 15px 20px;
    line-height: 1.5;
  }
  
  footer {
    background: #1a1a1a;
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 0.9em;
  }
  
  @media (max-width: 768px) {
    nav {
      display: none;
    }
    .buttons {
      display: none;
    }
    header.navbar {
      justify-content: center;
    }
  }