* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html, body {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('images/fondo.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #f0f0f0;
    line-height: 1.5;
  }
  
  header {
    background-color: rgba(8, 20, 42, 0.9);
    padding: 15px 1rem;     
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    height: auto;
    min-height: 80px;       
    width: 100%;
    top: 0;
    z-index: 1000;
  }
  

  .logo {
    height: 60px;           
    cursor: pointer;
  }
  
  .menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;       
    cursor: pointer;
    color: white;
  }
  
  /* Nav links */
  .nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
    align-items: center;
  }
  
  .nav-links li a {
    text-decoration: none;
    font-weight: 600;
    color: #4da6ff;
  }
  .btn-login {
    background-color: #1a73e8;
    color: white !important;
    padding: 12px 24px;    
    border-radius: 25px;
    text-decoration: none;
  }

  @media (max-width: 768px) {
    header {
      justify-content: center; 
    }
  
  
    .menu-toggle {
      display: block;
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      z-index: 1000;
    }
  

    .logo {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
    }
  

    .nav-links {
      display: none;
      flex-direction: column;
      align-items: center;
      text-align: center;
      position: absolute;
      top: 60px;
      left: 0;
      width: 100%;
      background-color: rgba(8, 20, 42, 0.95);
      padding: 1rem 0;
      z-index: 999;
      margin-top: 15px;
    }
  
  
    .nav-links.show {
      display: flex;
    }

  }

  .footer {
    background-color: #031626;
    color: #f0f0f0;
    padding: 20px 20px; 
    font-size: 0.95rem;
    margin-top: 60px;
    text-align: center;
  }
  
  .footer-top {
    max-width: 1000px;
    margin: auto;
    display: flex;
    flex-direction: column;  
    align-items: center;
    gap: 15px;
    text-align: center;
  }
  
 
  .footer-left,
  .footer-center,
  .footer-right,
  .footer-login {
    flex: 1 1 100%;
    display: flex;
    justify-content: center;
    flex-wrap: nowrap;  
    gap: 20px;
    white-space: nowrap; 
  }
  
  .footer-left p {
    margin-top: 15px;
    margin-bottom: 15px;
    font-weight: bold;
  }
  
  .footer-center a,
  .footer-right a {
    color: #4da6ff;
    text-decoration: none;
    transition: color 0.3s ease;
    padding: 5px 10px;
    white-space: nowrap; 
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .footer-center a:hover,
  .footer-right a:hover {
    color: #1a8cff;
  }
  
  .footer-right i {
    font-size: 1.2rem;
  }
  
  .contact-button {
    background-color: #4da6ff;
    color: white;
    padding: 6px 15px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 1rem;
    display: inline-block;
    transition: background-color 0.3s ease;
    cursor: pointer;
    white-space: nowrap;
  }
  
  .contact-button :hover {
    background-color: #285a8e;
  }
  

  @media (min-width: 601px) {
    .footer-top {
      flex-direction: row;       
      justify-content: center;  
      gap: 40px;
      text-align: center;
    }
    
    .footer-left,
    .footer-center,
    .footer-right,
    .footer-login {
      flex: 1;                  
      justify-content: center;  
    }
  }

  

  .language-dropdown {
    position: fixed;
    bottom: 50px; 
    right: 20px;  
    z-index: 10000;
    user-select: none;
  }
  
  .language-dropdown button {
    background: transparent;
    border: none;
    color: #4da6ff;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
  }
  

  .language-dropdown .lang-menu {
    position: absolute;
    bottom: 130%;  
    right: 0;
    background-color: rgba(8, 20, 42, 0.95);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgb(0 0 0 / 0.15);
    padding: 0.5rem 0;
    min-width: 130px;
    list-style: none;
    z-index: 1000;
  }
  
  .language-dropdown .lang-menu li a {
    color: #4da6ff;
    text-decoration: none;
    display: block;
    padding: 8px 16px;
    font-weight: 600;
  }
  
  .language-dropdown .lang-menu li a:hover {
    background-color: #4da6ff;
    color: #08142a;
    border-radius: 6px;
  }
  
  h1 {
    text-align: center;
    margin-top: 100px;
    font-size: 2.8rem;
    text-shadow: 0 0 8px rgba(0,0,0,0.3);
  }
  
  main {
    max-width: 900px;
    margin: 40px auto 0;
  }

  @keyframes fadeInUp {
    0% {
      opacity: 0;
      transform: translateY(20px);
    }
    100% {
      opacity: 1;
      transform: translateY(0);
    }
  }
  

  @media (max-width: 600px) {
    main {
      padding: 0 10px;
    }
    section.skill {
      padding: 15px 20px;
    }
  }

  .btn-profil {
    background: rgba(30, 41, 59, 0.7); 
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: inherit;
    font-size: 1rem;
    backdrop-filter: blur(6px);
    box-shadow: 0 0 10px rgba(0, 204, 255, 0.3);
  }
  
  .btn-profil i {
    font-size: 1rem;
    color: rgb(12, 110, 215);
  }
  
  .btn-profil:hover {
    background: rgba(30, 41, 59, 0.9);
    box-shadow: 0 0 14px rgba(0, 204, 255, 0.5);
  }
  
  

  .dropdown {
    position: relative;
  }
  
  .dropdown-menu {
    position: absolute;
    top: 110%;
    right: 0;
    background: rgba(30, 41, 59, 0.85);
    border-radius: 16px;
    padding: 0.5rem 0;
    margin-top: 10px;
    list-style: none;
    box-shadow: 0 8px 16px rgba(0, 204, 255, 0.1);
    backdrop-filter: blur(8px);
    z-index: 999;
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-width: 180px;
  }
  
  .dropdown-menu li {
    text-align: center;
  }
  
  .dropdown-menu li a {
    display: block;
    padding: 10px 16px;
    text-decoration: none;
    color: #e0f2fe;
    font-weight: 500;
    border-radius: 8px;
  }
  
  .dropdown-menu li a:hover {
    background-color: rgba(14, 165, 233, 0.2);
    color: #1a73e8;;
  }
  
  .skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
  }
  
  .skill-card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 0 10px rgba(0,0,0,0.4);
    text-align: left;
    transition: transform 0.3s ease;
  }
  
  .skill-card:hover {
    transform: translateY(-5px);
  }
  
  .skill-card i {
    font-size: 1.5rem;
    margin-right: 0.5rem;
    vertical-align: middle;
    color: #4da5ff;
  }


  @media (min-width: 768px) {
    .skills-grid {
      grid-template-columns: 1fr 1fr;
    }
  }