:root {
    /* Colores base */
    --negro: #000000;
    --gris-oscuro: #1e1e1e;
    --gris-medio: #333333;
    --gris-claro: #e0e0e0;
    --blanco: #FFFFFF;
    --fondo: #f9f9f9;
    --azul-manbal: #1a1a1a;
    --naranja-manbal: #FF6B35;
    
    /* Espaciado */
    --espacio-xs: 0.5rem;
    --espacio-sm: 1rem;
    --espacio-md: 1.5rem;
    --espacio-lg: 2rem;
    --espacio-xl: 3rem;
}
  
/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
  
body {
    font-family: 'Segoe UI', sans-serif;
    color: var(--gris-oscuro);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
  
html {
    scroll-behavior: smooth;
}
  
/* Header - Manteniendo TU estilo original */
header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    background-color: var(--blanco);
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--gris-oscuro);
    position: relative;
    z-index: 100;
}
  
.logo img {
    height: 60px;
}
  
.logo h1 {
    font-size: 1.5rem;
    color: var(--negro);
}
  
.logo p {
    font-size: 0.9rem;
    color: var(--gris-oscuro);
}
  
/* NAV ORIGINAL - Conservando exactamente tu estilo de menú */
nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}
  
nav a {
    text-decoration: none;
    color: var(--gris-oscuro);
    font-weight: 500;
    transition: color 0.3s ease, border-bottom 0.3s ease;
}
  
nav a:hover, 
nav a.selected {
    color: var(--negro);
    border-bottom: 2px solid var(--negro);
}
  
.hamburger {
    display: none;
    font-size: 2rem;
    color: var(--gris-oscuro);
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 20px;
}
  
.social a {
    margin-left: 1rem;
    color: var(--gris-oscuro);
    font-size: 1.2rem;
    transition: color 0.3s;
}
  
.social a:hover {
    color: var(--negro);
}
  
.contact-info {
    margin-top: 0.5rem;
    color: var(--gris-oscuro);
    font-size: 0.9rem;
    text-align: center;
}
  
/* Versión responsiva del menú ORIGINAL */
@media (max-width: 768px) {
    nav ul {
        display: flex;
        flex-direction: column;
        background-color: var(--blanco);
        position: fixed;
        top: 0;
        right: -250px;
        height: 100%;
        width: 250px;
        padding: 2rem;
        box-shadow: 2px 0 5px rgba(0, 0, 0, 0.3);
        transition: right 0.3s ease;
        z-index: 1000;
    }
  
    nav ul.show {
        right: 0;
    }
  
    .hamburger {
        display: block;
        z-index: 1001;
    }
  
    .hamburger.open {
        color: var(--negro);
    }
  
    header {
        flex-direction: column;
        align-items: flex-start;
    }
  
    .logo {
        margin-bottom: 1rem;
    }
  
    .social {
        display: flex;
        justify-content: flex-end;
        width: 100%;
        margin-top: 1rem;
        padding-right: 1rem;
    }
  
    .contact-info {
        display: none;
    }
}
/* Footer */
footer {
    text-align: center;
    padding: var(--espacio-lg);
    background-color: var(--gris-oscuro);
    color: var(--blanco);
}
  
/* Responsive para el formulario */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: var(--espacio-md);
    }
  
    .minimal-form {
        padding: var(--espacio-md);
    }

    .contact-intro h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .contact-intro h1 {
        font-size: 1.8rem;
    }

    .contact-intro p {
        font-size: 1rem;
    }
}
  /* Estilos para el hero con carrusel vertical */
  .blog-hero {
    position: relative;
    height: 85vh;
    overflow: hidden;
    margin-bottom: 3rem;
  }
  
  .hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-end;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    background-blend-mode: overlay;
  }
  
  .hero-slide.active {
    opacity: 1;
  }
  
  .slide-content {
    width: 100%;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
  }
  
  .slide-content h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    color: var(--blanco);
  }
  
  .slide-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--gris-claro);
  }
  
  .read-more {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: var(--gris-medio);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
  }
  
  .read-more:hover {
    background-color:var(--gris-claro);
    transform: translateY(-2px);
  }
  
  .hero-nav {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 15px;
    z-index: 10;
  }
  
  .hero-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.3);
  }
  
  .hero-dot.active {
    background-color: var(--gris-medio);
    transform: scale(1.3);
    border-color: var(--gris-medio);
  }
  
  /* Galería de proyectos */
  .projects-gallery {
    padding: 4rem 2rem;
    background-color: var(--gris-claro);
  }
  
  .gallery-container {
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.2rem;
    color: var(--azul-manbal);
    position: relative;
  }
  
  .section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--gris-medio);
    margin: 1rem auto 0;
  }
  
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
  }
  
  .gallery-item {
    position: relative;
    height: 400px;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
  }
  
  .gallery-item:hover {
    transform: translateY(-5px);
  }
  
  .gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  
  .gallery-item:hover .gallery-img {
    transform: scale(1.05);
  }
  
  .gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
  }
  
  .gallery-caption h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
  }
  
  /* Sección de documentos */
  .documents-section {
    padding: 4rem 2rem;
    background-color: var(--blanco);
  }
  
  .documents-container {
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
  }
  
  .document-card {
    background: var(--blanco);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--gris-claro);
  }
  
  .document-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  }
  
  .document-icon {
    background-color: var(--azul-manbal);
    color: white;
    text-align: center;
    padding: 2rem;
    font-size: 3rem;
  }
  
  .document-info {
    padding: 1.5rem;
  }
  
  .document-title {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--azul-manbal);
  }
  
  .document-description {
    color: var(--gris-medio);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
  }
  
  .download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.7rem 1.2rem;
    background-color: var(--gris-medio);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
  }
  
  .download-btn:hover {
    background-color: var(--negro);
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    .blog-hero {
      height: 70vh;
    }
    
    .slide-content h2 {
      font-size: 1.8rem;
    }
    
    .section-title {
      font-size: 1.8rem;
    }
    
    .gallery-grid {
      grid-template-columns: 1fr;
    }
    
    .gallery-item {
      height: 350px;
    }
  }