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

  /* Reset & basic */
    body {
      font-family: Arial, sans-serif;
      margin: 0;
      background: #f9f9f9;
      color: #333;
      line-height: 1.5;
    }

  /* Header & Navbar */
  header {
    background-color: #f8f9fa;
    padding: 15px 5%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
  }

  .navbar-container {
    max-width: 1366px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* Logo */
  .navbar-brand {
    height: 50px;         /* Fix tinggi logo */
    width: auto;          /* Biar proporsional */
    max-height: 60px;
    display: block;       /* Hindari extra space bawah */
  }

  /* Menu Desktop */
  .navbar-nav {
    list-style: none;
    display: flex;
    gap: 25px;
  }

  .navbar-nav .nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: color 0.3s ease;
  }

  .navbar-nav .nav-link:hover,
  .navbar-nav .nav-link:focus {
    color: #28a745;
    outline: none;
  }

  /* Hamburger Menu */
  .menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    width: 30px;
  }

  .menu-toggle .bar {
    height: 3px;
    width: 100%;
    background-color: #0056b3; /* garis warna biru */
    margin: 5px 0;
    border-radius: 2px;
    transition: 0.3s;
  }

  /* Responsive */
  @media (min-width: 768px) {
    .navbar-nav {
      flex-direction: row !important;
      gap: 20px;
    }
  }

  /* Warna teks menu */
  .navbar-nav .nav-link {
    color: #004d00 !important;
    font-weight: bold;
  }

  .navbar-nav .nav-link:hover {
    color: #009900 !important;
  }

  /* Hamburger warna hijau */
  .navbar-toggler {
    border-color: #28a745 !important;
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='green' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }
  
  @media (max-width: 768px) {
    .navbar-nav {
      display: none;
      position: absolute;
      top: 60px; /* di bawah header */
      right: 5%; /* sebelah kanan */
      background-color: #f8f9fa;
      flex-direction: column;
      padding: 10px 15px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.15);
      border-radius: 6px;
      min-width: 150px;
      z-index: 9999;
    }

    .navbar-nav.active {
      display: flex;
    }

    .navbar-nav .nav-link {
      padding: 8px 0;
    }

    .menu-toggle {
      display: flex;
      order: 2; /* posisi di kanan */
      margin-left: 15px;
    }

    .navbar-brand {
      order: 1; /* posisi di kiri */
    }

    .navbar-container {
      justify-content: space-between; /* kiri-kanan */
      position: relative;
    }
  }

  /* supaya smooth */
  html {
  scroll-behavior: smooth;
  }

  /* ini Footer */
  footer {
    background-color: #f0f0f0; /* terang, tapi tetap beda dari putih */
    padding: 1rem 0;
    margin-top: 1rem;
  }
  footer a {
    color: #007bff;
    text-decoration: none;
  }
  footer a:hover {
    text-decoration: underline;
  }
  footer hr {
    border-color: #90caf9; /* garis pemisah biru muda */
    margin-bottom: 10px;
  }
  /* ini Footer */

  /* Container main */
    main.container {
      max-width: 1100px;
      margin: 2rem auto 4rem;
      padding: 0 1rem;
      background: white;
      box-shadow: 0 0 10px rgb(0 0 0 / 0.1);
      border-radius: 8px;
      padding-top: 1.5rem;
    }

    /* Dua kolom utama program detail */
    .program-detail {
      display: flex;
      flex-wrap: wrap;
      gap: 2rem;
      margin-bottom: 3rem;
    }
    .program-header {
      flex: 1 1 40%;
      min-width: 280px;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      gap: 1rem;
    }
    .program-header .program-img {
      width: 100%;
      border-radius: 12px;
      object-fit: cover;
      max-height: 300px;
      box-shadow: 0 4px 6px rgb(0 0 0 / 0.1);
    }
    .program-header h1 {
      margin: 0.5rem 0;
      font-size: 2rem;
      color: #0077cc;
    }
    .program-info {
      display: flex;
      justify-content: center;
      gap: 1.5rem;
      font-weight: 600;
      font-size: 1rem;
      color: #444;
    }
    .program-info div i {
      margin-right: 0.4rem;
      color: #0077cc;
    }

    .program-description-modules {
      flex: 1 1 55%;
      min-width: 280px;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }
    .long-desc {
      text-align: justify;
      line-height: 1.6;
      font-size: 1rem;
      color: #333;
      padding-right: 1rem;
    }
    .program-modules h2 {
      margin-bottom: 0.8rem;
      color: #0077cc;
      border-bottom: 2px solid #0077cc;
      padding-bottom: 0.3rem;
      font-weight: 700;
    }
    .program-modules ul {
      list-style-type: disc;
      padding-left: 1.5rem;
      color: #444;
    }

    .cta-daftar {
      text-align: center;
      margin: 3rem 0;
    }
    .btn-daftar {
      background: #0077cc;
      color: white;
      padding: 0.9rem 2.2rem;
      font-weight: 700;
      font-size: 1.1rem;
      border-radius: 6px;
      text-decoration: none;
      box-shadow: 0 3px 8px rgb(0 119 204 / 0.5);
      transition: background 0.3s;
      display: inline-block;
    }
    .btn-daftar:hover {
      background: #005fa3;
    }

    #other-programs {
      margin-top: 4rem;
    }
    #other-programs h2 {
      color: #0077cc;
      margin-bottom: 1rem;
      border-bottom: 2px solid #0077cc;
      padding-bottom: 0.3rem;
    }
    .programs-list {
      display: flex;
      gap: 2rem;
      flex-wrap: wrap;
    }
    .program-card {
      background: #f2f9ff;
      border-radius: 10px;
      box-shadow: 0 2px 6px rgb(0 0 0 / 0.1);
      padding: 1rem;
      flex: 1 1 45%;
      min-width: 280px;
      text-align: center;
    }
    .program-card img {
      width: 100%;
      border-radius: 8px;
      max-height: 180px;
      object-fit: cover;
      margin-bottom: 1rem;
    }
    .program-card h3 {
      margin: 0.5rem 0;
      color: #0077cc;
    }
    .program-card p {
      font-size: 0.95rem;
      color: #555;
      margin-bottom: 1rem;
    }
    .program-card .btn-detail {
      background: #0077cc;
      color: white;
      padding: 0.5rem 1.5rem;
      border-radius: 6px;
      text-decoration: none;
      font-weight: 600;
      box-shadow: 0 3px 8px rgb(0 119 204 / 0.5);
      transition: background 0.3s;
    }
    .program-card .btn-detail:hover {
      background: #005fa3;
    }
    /* Dua kolom utama program detail */