:root {
    --primary: #00c3ff;
    --secondary: #7c5fff;
    --dark-bg: #0c0c0c;
    --card-bg: #1a1a1a;
    --text-light: #f0f0f0;
    --text-gray: #bbb;
    --navbar-height: 70px;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    background-color: var(--dark-bg);
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    padding-top: var(--navbar-height);
    line-height: 1.6;
  }
  
  /* Navbar - Mantenuta come da richiesta */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--navbar-height);
    background-color: #111;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0,0,0,0.6);
  }
  
  .logo {
    font-size: 1.6rem;
    font-weight: bold;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
  }
  
  .nav-links li a {
    text-decoration: none;
    color: #fff;
    font-size: 1rem;
    position: relative;
    transition: color 0.3s ease;
    font-weight: 500;
  }
  
  .nav-links li a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    background: var(--primary);
    left: 0;
    bottom: -5px;
    transition: 0.3s;
  }
  
  .nav-links li a:hover::after {
    width: 100%;
  }
  
  .nav-links li a:hover {
    color: var(--primary);
  }
  
  .burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
  }
  
  .burger div {
    width: 25px;
    height: 3px;
    background-color: #fff;
    transition: all 0.3s ease;
  }
  
  @media (max-width: 768px) {
    .nav-links {
      position: absolute;
      top: var(--navbar-height);
      right: 0;
      height: calc(100vh - var(--navbar-height));
      width: 200px;
      background-color: #111;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 20px;
      transform: translateX(100%);
      transition: transform 0.3s ease-in-out;
    }
  
    .nav-links.active {
      transform: translateX(0%);
    }
  
    .burger {
      display: flex;
    }
  }
  
  /* Sezione Competenze Migliorata */
  .skills-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
  }
  
  .skills-header {
    text-align: center;
    margin-bottom: 3rem;
  }
  
  .skills-header h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
  }
  
  .skills-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
  }
  
  .skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
  }
  
  .skill-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
  }
  
  .skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 195, 255, 0.1), rgba(124, 95, 255, 0.1));
    z-index: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  .skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 195, 255, 0.1);
    border-color: rgba(0, 195, 255, 0.2);
  }
  
  .skill-card:hover::before {
    opacity: 1;
  }
  
  .skill-card i {
    width: 48px;
    height: 48px;
    color: var(--primary);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
  }
  
  .skill-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #fff;
    position: relative;
    z-index: 1;
    font-weight: 600;
  }
  
  .skill-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    position: relative;
    z-index: 1;
  }
  
  .skill-card ul {
    margin-top: 0.5rem;
    padding-left: 1.2rem;
    color: var(--text-gray);
    font-size: 0.95rem;
  }
  
  .skill-card li {
    margin-bottom: 0.3rem;
  }
  
  /* Card speciali */
  .wide-card {
    grid-column: span 2;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .skills-header h1 {
      font-size: 2.2rem;
    }
    
    .skills-header p {
      font-size: 1rem;
    }
    
    .wide-card {
      grid-column: span 1;
    }
  }
  
  /* Animazioni */
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  .skill-card {
    animation: fadeIn 0.6s ease forwards;
    opacity: 0;
  }
  
  .skill-card:nth-child(1) { animation-delay: 0.1s; }
  .skill-card:nth-child(2) { animation-delay: 0.2s; }
  .skill-card:nth-child(3) { animation-delay: 0.3s; }
  .skill-card:nth-child(4) { animation-delay: 0.4s; }
  .skill-card:nth-child(5) { animation-delay: 0.5s; }
  .skill-card:nth-child(6) { animation-delay: 0.6s; }
  .skill-card:nth-child(7) { animation-delay: 0.7s; }