/* GENERAL */

    html {
      font-family: Arial, Helvetica, sans-serif;
      line-height: 1.6;
    }

    body {
      margin: 0;
      color: #333;
    }

    /* NAVBAR */
    .navbar {
      position: fixed;
      top: 0;
      width: 100%;
      background: rgba(255, 255, 255, 0.95);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      z-index: 1000;
    }

    .nav-container {
      max-width: 1100px;
      margin: auto;
      padding: 15px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .nav-logo {
      font-weight: bold;
      font-size: 20px;
      color: #0a4f6e;
      text-decoration: none;
    }

    .nav-menu {
      list-style: none;
      display: flex;
      gap: 20px;
      margin: 0;
      padding: 0;
    }

    .nav-menu a {
      text-decoration: none;
      color: #333;
      font-weight: 500;
      transition: color 0.3s;
    }

    .nav-menu a:hover {
      color: #0aa1dd;
    }

    .hamburger {
      display: none;
      flex-direction: column;
      cursor: pointer;
      gap: 4px;
    }

    .hamburger div {
      width: 25px;
      height: 3px;
      background-color: #333;
      transition: all 0.3s;
    }

    /* HEADER */
    header {
      margin-top: 70px;
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1553621042-f6e147245754');
      background-size: cover;
      background-position: center;
      color: #fff;
      padding: 120px 20px;
      text-align: center;
      animation: fadeIn 1.5s ease-in-out;
    }

    header img {
      width: 120px;
      margin-bottom: 20px;
      animation: float 4s ease-in-out infinite;
    }

    header h1 {
      margin: 10px 0;
    }

    header p {
      margin: 5px 0;
    }

    .header-phone {
      margin: 15px 0;
      font-weight: bold;
      font-size: 16px;
    }

    .header-phone a {
      color: #fff;
      text-decoration: underline;
      margin: 0 5px;
    }

    /* BUTTONS */
    .btn {
      background: #0aa1dd;
      color: #fff;
      padding: 12px 25px;
      text-decoration: none;
      border-radius: 5px;
      margin: 5px;
      display: inline-block;
      transition: transform 0.3s, box-shadow 0.3s;
    }

    .btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    }

    /* SECTIONS */
    section {
      padding: 60px 20px;
      max-width: 1100px;
      margin: auto;
    }

    h2 {
      text-align: center;
      margin-bottom: 40px;
      color: #0a4f6e;
    }

    .features,
    .products,
    .services {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .card {
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      transition: transform 0.3s, box-shadow 0.3s;
      text-align: center;
    }

    .card:hover {
      transform: translateY(-8px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    }

    .card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }

    .card-content {
      padding: 20px;
    }

    /* CONTACT */
    .contact {
      background: #f3f8fb;
      padding: 80px 20px;
    }

    .contact p {
      text-align: center;
    }

    .contact form {
      background: #ffffff;
      padding: 40px;
      border-radius: 8px;
      max-width: 650px;
      margin: auto;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .contact input,
    .contact textarea {
      width: 100%;
      padding: 14px 16px;
      border-radius: 6px;
      border: 1px solid #cfd8dc;
      font-size: 16px;
      font-family: inherit;
      margin-bottom: 18px;
    }

    .contact input:focus,
    .contact textarea:focus {
      outline: none;
      border-color: #0aa1dd;
    }

    .contact textarea {
      min-height: 160px;
      resize: vertical;
    }

    .contact button.btn {
      width: 100%;
      padding: 14px;
      font-size: 16px;
      border-radius: 6px;
      cursor: pointer;
    }

    /* FOOTER */
    footer {
      background: #0a4f6e;
      color: #fff;
      text-align: center;
      padding: 20px;
    }

    .social-links a {
      color: #fff;
      margin: 0 8px;
      text-decoration: none;
      font-weight: bold;
    }

    /* FLOATING CONTACT & WHATSAPP */
    .whatsapp {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background: #25d366;
      color: #fff;
      padding: 15px 18px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .floating-contact {
      position: fixed;
      bottom: 90px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      z-index: 1000;
    }

    .floating-contact a {
      background: #0aa1dd;
      color: #fff;
      padding: 10px;
      border-radius: 6px;
      text-decoration: none;
      text-align: center;
    }

    /* FLOATING SOCIAL BAR - DESKTOP */
    .floating-social-desktop {
      position: fixed;
      top: 50%;
      left: 0;
      transform: translateY(-50%);
      display: flex;
      flex-direction: column;
      gap: 15px;
      background: rgba(0, 0, 0, 0.1);
      padding: 10px;
      border-radius: 0 8px 8px 0;
      z-index: 999;
    }

    .floating-social-desktop a {
      color: #0aa1dd;
      font-weight: bold;
      text-decoration: none;
      background: #fff;
      padding: 8px 12px;
      border-radius: 5px;
      transition: transform 0.3s, background 0.3s;
    }

    .floating-social-desktop a:hover {
      background: #0aa1dd;
      color: #fff;
      transform: translateX(5px);
    }

    /* ANIMATIONS */
    @keyframes fadeIn {
      from {
        opacity: 0;
      }

      to {
        opacity: 1;
      }
    }

    @keyframes float {

      0%,
      100% {
        transform: translateY(0);
      }

      50% {
        transform: translateY(-10px);
      }
    }

    /* RESPONSIVE */
    @media (max-width: 1024px) {
      .floating-social-desktop {
        display: none;
      }

      .contact p {
        text-align: left;
      }
    }

    @media (max-width: 768px) {
      header {
        padding: 80px 10px;
      }

      header h1 {
        font-size: 24px;
      }

      .btn {
        padding: 10px 20px;
        font-size: 14px;
      }

      .floating-contact {
        bottom: 130px;
      }

      .hamburger {
        display: flex;
      }

      .nav-menu {
        display: none;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.95);
        position: absolute;
        top: 60px;
        right: 0;
        width: 200px;
        padding: 10px 0;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      }

      .nav-menu.show {
        display: flex;
      }
    }