* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    background: #e6f7ff; /* biru muda */
    color: #333;
    scroll-behavior: smooth;
  }
  
  .container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
  }
  
  .center {
    text-align: center;
  }
  
  .section {
    padding: 60px 0;
  }
  
  /* Navbar */
  .navbar {
    position: sticky;
    top: 0;
    background-color: #ffffff;
    border-bottom: 1px solid #ddd;
    z-index: 1000;
  }
  
  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
  }
  
  .logo {
    font-size: 1.8rem;
    color: #007acc;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
  }
  
  .nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s ease;
  }
  
  .nav-links a:hover {
    color: #007acc;
  }
  
  /* Profile */
  .profile-pic {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 50%;
    margin-bottom: 20px;
    border: 4px solid #007acc;
  }
  
  /* Grid Layout */
  .grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
  }
  
  /* Cards */
  .card {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
  }
  
  .card:hover {
    transform: translateY(-5px);
  }


  .card ul {
    list-style-type: none; /* hapus bullet default */
    padding-left: 1.5rem;
  }
  
  .card ul li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
  }
  
  .card ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #00AEEF; /* biru muda estetik */
    font-size: 1.2rem;
    line-height: 1;
  }

  
  
  /* Tabs */
  .tabs {
    display: flex;
    gap: 10px;
    margin: 30px 0 10px;
    justify-content: center;
  }
  
  .tab-button {
    background-color: #ffffff;
    border: 2px solid #007acc;
    padding: 10px 20px;
    cursor: pointer;
    font-weight: bold;
    border-radius: 5px;
    color: #007acc;
    transition: background 0.3s;
  }
  
  .tab-button:hover,
  .tab-button.active {
    background-color: #007acc;
    color: white;
  }
  
  .tab-content {
    display: none;
    animation: fade 0.3s ease;
  }
  
  .tab-content.active {
    display: block;
  }
  
  @keyframes fade {
    from {opacity: 0;}
    to {opacity: 1;}
  }
  
  /* Footer */
  .footer {
    background: #d0eaff;
    padding: 20px;
    font-size: 0.9rem;
  }
  
  /* Responsive tweaks */
  @media (max-width: 600px) {
    .nav-links {
      flex-direction: column;
      gap: 10px;
    }
  }