* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
  }
  
  .container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
  }
  
  /* HEADER */
  .header {
    background: #111;
    padding: 15px 0;
  }
  .logo {
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
  }
  .logo span {
    color: #ff4b2b;
  }
  .nav a {
    margin-left: 20px;
    text-decoration: none;
    color: white;
    font-weight: 500;
  }
  .nav a:hover {
    color: #ff4b2b;
  }
  .header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  /* HERO */
  .hero {
    position: relative;
    background: url('img/hero-background.jpg') center/cover no-repeat;
    height: 80vh;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
  }
  .overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
  }
  .hero .container {
    position: relative;
    z-index: 2;
  }
  .hero h2 {
    font-size: 2.5rem;
    color: #ff4b2b;
  }
  .hero p {
    margin: 15px 0;
    font-size: 1.2rem;
  }
  .btn {
    display: inline-block;
    background: #ff4b2b;
    color: white;
    padding: 12px 25px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
  }
  .btn:hover {
    background: #e04324;
  }
  
  /* SECTIONS */
  section {
    padding: 50px 20px;
  }
  section h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 2rem;
    color: #111;
  }
  .about p {
    max-width: 700px;
    margin: auto;
    text-align: center;
    color: #555;
  }
  
  /* GRID */
  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }
  .card {
    background: #f8f8f8;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  }
  .card h3 {
    margin-bottom: 10px;
    color: #ff4b2b;
  }
  .card p {
    color: #555;
  }
  .user-info {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
  }
  .user-face {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 0.8rem;
  }
  .user-details strong {
    font-size: 1rem;
    color: #333;
  }
  .user-role {
    font-size: 0.85rem;
    color: #777;
  }
  .user-message {
    font-style: italic;
    color: #444;
    margin: 0;
  }
  /* CONTACT */
  form {
    display: grid;
    gap: 15px;
    max-width: 500px;
    margin: auto;
  }
  form input, form textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  input:focus,
  textarea:focus,
  select:focus {
    outline: none;
    border-color: #ff6600;
    background-color: #fff5eb;
    box-shadow: 0 0 5px rgba(255, 102, 0, 0.5);
    transition: all 0.3s ease;
  }  
  form button {
    border: none;
    cursor: pointer;
  }
  
  /* FOOTER */
  .footer {
    background: #111;
    text-align: center;
    padding: 15px 0;
    color: white;
  }

  /* BACK TO TOP */
  .back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #ff6600;
    color: #fff;
    font-size: 1.5rem;
    padding: 10px 15px;
    border-radius: 50%;
    text-align: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
  }
  
  .back-to-top:hover {
    background-color: #e04324;
  }
  
  .back-to-top.show {
    opacity: 1;
    visibility: visible;
  }