/* === RESET & BASE === */
body {
    font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #181a20;
    color: #f5f6fa;
    line-height: 1.6;
  }
  
  /* === HEADER === */
  .header {
    background: #f9f9f9;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  .logo img {
    max-width: 140px;
    display: block;
    margin: 0 auto;
  }
  
  .nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 1rem 0 0 0;
    padding: 0;
  }
  .nav ul li a {
    color: #181a20;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s, border-bottom 0.2s;
    border-bottom: 2px solid transparent;
  }
  .nav ul li a:hover {
    color: #ff6f3c;
    border-bottom: 2px solid #ff6f3c;
  }
  
  /* === SECTIONS === */
  .section {
    padding: 5rem 2rem;
    text-align: center;
  }
  .section h2 {
    color: #ff6f3c;
    font-size: 2rem;
    margin-bottom: 2rem;
  }
  
  /* === HERO === */
  .hero {
    background: #23242a;
  }
  .hero-content {
    max-width: 900px;
    margin: 0 auto;
  }
  .hero h1 {
    color: #ff6f3c;
    font-size: 2.8rem;
    margin-bottom: 1rem;
  }
  .hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
  }
  .hero-img {
    width: 100%;
    max-width: 600px;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.2);
  }
  
  /* === CARDS (Soluciones) === */
  .cards {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
  }
  .card {
    background: #23242a;
    border: 1px solid #ff6f3c;
    border-radius: 14px;
    padding: 2rem 1.5rem;
    max-width: 300px;
    text-align: center;
    transition: transform 0.25s, box-shadow 0.25s;
  }
  .card:hover {
    transform: translateY(-6px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  }
  .card img {
    width: 100%;
    max-width: 200px;
    border-radius: 10px;
    margin-bottom: 1rem;
    object-fit: cover;
  }
  
  /* === CONTACTO === */
  .contacto form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0 auto;
  }
  .contacto input,
  .contacto textarea {
    padding: 0.9rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
  }
  .contacto textarea {
    min-height: 120px;
    resize: vertical;
  }
  .contacto button {
    background: #ff6f3c;
    color: #fff;
    font-weight: 700;
    border: none;
    border-radius: 6px;
    padding: 0.9rem;
    cursor: pointer;
    transition: background 0.2s;
  }
  .contacto button:hover {
    background: #e04a18;
  }
  
  /* === FOOTER === */
  .footer {
    background: #181a20;
    color: #fff;
    text-align: center;
    padding: 1.2rem;
    border-top: 2px solid #ff6f3c;
  }
  
  /* === RESPONSIVE === */
  @media (max-width: 900px) {
    .hero h1 {
      font-size: 2.2rem;
    }
    .cards {
      flex-direction: column;
      align-items: center;
    }
  }