/* ===================================
       CSS OPTIMIZADO - GEOSCIENCES S.A.C.
       =================================== */

    /* VARIABLES CSS */
    :root {
      /* Colores principales */
      --primary-color: #012e40;
      --primary-dark: #0b2a3d;
      --primary-darker: #071d2b;
      --accent-color: #f1c40f;
      --accent-hover: #0089a8;
      --text-light: #ffffff;
      --text-dark: #333333;
      --text-muted: #555555;
      --background-light: #f4f4f4;
      --background-white: #ffffff;
      --background-card: #f8f8f8;
      --whatsapp-green: #25d366;
      
      /* Espaciado */
      --spacing-xs: 0.25rem;
      --spacing-sm: 0.5rem;
      --spacing-md: 1rem;
      --spacing-lg: 1.5rem;
      --spacing-xl: 2rem;
      --spacing-xxl: 3rem;
      
      /* Typography */
      --font-family-primary: 'Arial', sans-serif;
      --font-size-sm: 0.85rem;
      --font-size-base: 1rem;
      --font-size-lg: 1.1rem;
      --font-size-xl: 1.2rem;
      --font-size-xxl: 1.8rem;
      --line-height-base: 1.6;
      --line-height-tight: 1.4;
      
      /* Bordes y sombras */
      --border-radius-sm: 5px;
      --border-radius-md: 8px;
      --border-radius-lg: 20px;
      --border-radius-full: 50%;
      --box-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
      --box-shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
      --box-shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
      
      /* Transiciones */
      --transition-fast: 0.15s ease;
      --transition-base: 0.3s ease;
      --transition-slow: 0.5s ease;
      
      /* Z-index */
      --z-fixed: 1030;
      --z-toast: 9999;
    }

    /* RESET BÁSICO */
    *, *::before, *::after {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-family-primary);
      background-color: var(--background-light);
      color: var(--text-dark);
      line-height: var(--line-height-base);
      overflow-x: hidden;
    }

    /* UTILIDADES */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-md);
    }

    /* HEADER PRINCIPAL */
    .main-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background-color: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      transition: background-color var(--transition-base), padding var(--transition-base);
      z-index: var(--z-fixed);
      padding: var(--spacing-sm) 0;
      color: var(--text-light);
    }

    .main-header.scrolled {
      background-color: rgba(0, 0, 0, 0.9);
      padding: var(--spacing-xs) 0;
    }

    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: var(--spacing-md);
    }

    /* CONTACTO EN HEADER */
    .header-top {
      display: flex;
      justify-content: flex-end;
      margin-bottom: var(--spacing-xs);
    }

    .header-contact {
      display: flex;
      align-items: center;
      gap: var(--spacing-sm);
      font-size: var(--font-size-sm);
    }

    .header-contact a {
      color: var(--text-light);
      text-decoration: none;
      transition: color var(--transition-base);
      display: flex;
      align-items: center;
      gap: var(--spacing-xs);
    }

    .header-contact a:hover {
      color: var(--accent-color);
    }

    .divider {
      opacity: 0.5;
    }

    /* NAVEGACIÓN PRINCIPAL */
    .main-navigation {
      margin-left: auto;
    }

    .nav-list {
      display: flex;
      list-style: none;
      gap: var(--spacing-lg);
      margin: 0;
      padding: 0;
    }

    .nav-link {
      color: var(--text-light);
      text-decoration: none;
      font-weight: 600;
      padding: var(--spacing-xs) var(--spacing-sm);
      border-radius: var(--border-radius-sm);
      transition: color var(--transition-base), background-color var(--transition-base);
    }

    .nav-link:hover, .nav-link:focus {
      color: var(--accent-color);
      background-color: rgba(255, 255, 255, 0.1);
      outline: none;
    }

    /* ===== HERO SECTION MEJORADA ===== */
    .hero-section {
      min-height: 100vh;
      background: linear-gradient(
        135deg, 
        rgba(1, 46, 64, 0.7) 0%, 
        rgba(0, 0, 0, 0.5) 100%
      ),
      url('imagenes/quienes-somos.png') center center/cover no-repeat;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        135deg, 
        rgba(1, 46, 64, 0.6) 0%, 
        rgba(0, 0, 0, 0.4) 100%
      );
    }

    .hero-content {
      position: relative;
      z-index: 2;
      color: var(--text-light);
      max-width: 900px;
      text-align: center;
      padding: var(--spacing-xl);
    }

    .hero-title {
      font-size: clamp(2.5rem, 6vw, 5rem);
      font-weight: 700;
      margin-bottom: var(--spacing-lg);
      text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
      letter-spacing: 2px;
      animation: fadeInUp 1s ease-out;
    }

    .hero-subtitle {
      font-size: clamp(1.2rem, 3vw, 2rem);
      font-weight: 300;
      margin-bottom: var(--spacing-xxl);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
      opacity: 0.95;
      animation: fadeInUp 1s ease-out 0.3s both;
    }

    /* CONTENEDOR DE IMAGEN HERO */
    .hero-image-container {
      display: flex;
      justify-content: center;
      align-items: center;
      margin-top: var(--spacing-xl);
    }

    .hero-logo-image {
      max-width: 350px;
      width: 100%;
      height: auto;
      border-radius: var(--border-radius-lg);
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
      transition: transform var(--transition-slow), box-shadow var(--transition-slow);
      background: rgba(255, 255, 255, 0.1);
      padding: var(--spacing-lg);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      animation: fadeInUp 1s ease-out 0.6s both;
    }

    .hero-logo-image:hover {
      transform: translateY(-10px) scale(1.05);
      box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
    }

    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(40px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* SECCIONES GENERALES */
    .section-title {
      color: var(--primary-color);
      font-size: var(--font-size-xxl);
      font-weight: 700;
      margin-bottom: var(--spacing-xl);
      text-align: center;
      position: relative;
    }

    .section-title::after {
      content: '';
      position: absolute;
      bottom: -var(--spacing-sm);
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
      border-radius: var(--border-radius-sm);
    }

    /* SECCIÓN NOSOTROS */
    .about-section {
      padding: var(--spacing-xxl) var(--spacing-xl);
      background-color: var(--background-white);
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1fr 2fr;
      gap: var(--spacing-xxl);
      align-items: start;
    }

    .about-image {
      position: sticky;
      top: calc(80px + var(--spacing-md));
      height: fit-content;
    }

    .about-img {
      width: 100%;
      height: 800px;
      object-fit: cover;
      object-position: center top;
      border-radius: var(--border-radius-md);
      box-shadow: var(--box-shadow-lg);
      transition: transform var(--transition-slow);
    }

    .about-img:hover {
      transform: scale(1.02);
    }

    .about-description {
      margin-bottom: var(--spacing-xl);
      line-height: var(--line-height-base);
      color: var(--text-muted);
    }

    .section-divider {
      width: 80px;
      height: 3px;
      background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
      border: none;
      margin: var(--spacing-md) auto;
      border-radius: var(--border-radius-sm);
    }

    /* VALORES DE LA EMPRESA */
    .company-values {
      margin-top: var(--spacing-xxl);
    }

    .value-box {
      display: flex;
      gap: var(--spacing-lg);
      margin-bottom: var(--spacing-xl);
      padding: var(--spacing-xl);
      background-color: var(--background-white);
      border-radius: var(--border-radius-md);
      box-shadow: var(--box-shadow-sm);
      transition: transform var(--transition-base), box-shadow var(--transition-base);
    }

    .value-box:hover {
      transform: translateY(-4px);
      box-shadow: var(--box-shadow-md);
    }

    .value-icon {
      width: 60px;
      height: 60px;
      border-radius: var(--border-radius-md);
      object-fit: cover;
      flex-shrink: 0;
    }

    .value-title {
      color: var(--primary-color);
      font-size: var(--font-size-xl);
      margin-bottom: var(--spacing-sm);
      font-weight: 600;
    }

    .value-description {
      color: var(--text-muted);
      line-height: var(--line-height-base);
    }

    .values-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: var(--spacing-md);
      margin-top: var(--spacing-md);
    }

    .value-item {
      display: flex;
      align-items: center;
      gap: var(--spacing-sm);
      color: var(--primary-color);
      font-weight: 500;
    }

    /* SECCIÓN SERVICIOS */
    .services-section {
      background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
      padding: var(--spacing-xxl) var(--spacing-xl);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: var(--spacing-xl);
      margin-top: var(--spacing-xl);
    }

    .service-card {
      position: relative;
      background-color: var(--background-white);
      border-radius: var(--border-radius-md);
      overflow: hidden;
      box-shadow: var(--box-shadow-sm);
      transition: transform var(--transition-base), box-shadow var(--transition-base);
      height: 350px;
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--box-shadow-lg);
    }

    .service-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      transition: transform var(--transition-slow);
    }

    .service-card:hover .service-image {
      transform: scale(1.05);
    }

    .service-content {
      padding: var(--spacing-lg);
      flex-grow: 1;
    }

    .service-header {
      margin-bottom: var(--spacing-md);
    }

    .service-title {
      color: var(--primary-color);
      font-size: var(--font-size-xl);
      font-weight: 700;
      margin-bottom: var(--spacing-sm);
      text-align: center;
    }

    .service-divider {
      width: 60%;
      height: 2px;
      background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
      border: none;
      margin: 0 auto var(--spacing-md);
      border-radius: var(--border-radius-sm);
    }

    .service-description {
      color: var(--text-muted);
      line-height: var(--line-height-base);
      text-align: center;
    }

    /* SECCIONES DE CONTENIDO */
    .laboratory-section, .topography-section {
      padding: var(--spacing-xxl) var(--spacing-xl);
      text-align: center;
    }

    .section-description {
      max-width: 800px;
      margin: 0 auto var(--spacing-xl);
      text-align: center;
      color: var(--text-muted);
      line-height: var(--line-height-base);
      font-size: var(--font-size-lg);
    }

    .section-image {
      width: 100%;
      max-width: 800px;
      height: auto;
      max-height: 400px;
      object-fit: cover;
      border-radius: var(--border-radius-md);
      box-shadow: var(--box-shadow-md);
      margin: var(--spacing-xl) auto 0;
      display: block;
    }

    /* LISTAS DE PROYECTOS Y STAFF */
    .projects-section, .staff-section {
      padding: var(--spacing-xxl) var(--spacing-xl);
    }

    .projects-list, .staff-list {
      list-style: none;
      max-width: 600px;
      margin: var(--spacing-xl) auto 0;
    }

    .project-item, .staff-member {
      display: flex;
      align-items: center;
      gap: var(--spacing-md);
      padding: var(--spacing-lg);
      margin-bottom: var(--spacing-md);
      background-color: var(--background-white);
      border-radius: var(--border-radius-md);
      box-shadow: var(--box-shadow-sm);
      transition: transform var(--transition-base), box-shadow var(--transition-base);
    }

    .project-item:hover, .staff-member:hover {
      transform: translateX(8px);
      box-shadow: var(--box-shadow-md);
    }

    .project-item i, .staff-member i {
      color: var(--primary-color);
      font-size: var(--font-size-xl);
      width: 24px;
      flex-shrink: 0;
    }

    /* FORMULARIO DE CONTACTO */
    .contact-section {
      background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
      color: var(--text-light);
      padding: var(--spacing-xxl) var(--spacing-xl);
    }

    .contact-form-wrapper {
      max-width: 600px;
      margin: 0 auto;
    }

    .contact-form {
      display: grid;
      gap: var(--spacing-lg);
      margin-top: var(--spacing-xl);
    }

    .form-group {
      display: flex;
      flex-direction: column;
    }

    .form-label {
      font-weight: 600;
      margin-bottom: var(--spacing-xs);
      color: var(--text-light);
    }

    .form-input, .form-textarea {
      padding: var(--spacing-md);
      border: 2px solid transparent;
      border-radius: var(--border-radius-sm);
      font-family: inherit;
      font-size: var(--font-size-base);
      transition: border-color var(--transition-base), box-shadow var(--transition-base);
      background-color: rgba(255, 255, 255, 0.95);
    }

    .form-input:focus, .form-textarea:focus {
      outline: none;
      border-color: var(--accent-color);
      box-shadow: 0 0 0 3px rgba(241, 196, 15, 0.2);
    }

    .form-help {
      margin-top: var(--spacing-xs);
      font-size: var(--font-size-sm);
      color: rgba(255, 255, 255, 0.8);
    }

    .form-submit-btn {
      background: linear-gradient(135deg, var(--accent-color), #e67e22);
      color: var(--text-dark);
      border: none;
      padding: var(--spacing-lg) var(--spacing-xl);
      border-radius: var(--border-radius-sm);
      font-size: var(--font-size-base);
      font-weight: 600;
      cursor: pointer;
      transition: transform var(--transition-base), box-shadow var(--transition-base);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--spacing-sm);
      margin-top: var(--spacing-md);
    }

    .form-submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--box-shadow-lg);
    }

    /* CARRUSEL DE CLIENTES */
    .clients-section {
      padding: var(--spacing-xxl) var(--spacing-xl);
      background-color: var(--background-white);
      overflow: hidden;
    }

    .clients-carousel {
      position: relative;
      margin-top: var(--spacing-xl);
    }

    .clients-track {
      display: flex;
      gap: var(--spacing-xl);
      animation: scrollClientes 30s linear infinite;
      will-change: transform;
    }

    .client-item {
      flex: 0 0 auto;
      width: 180px;
      height: 120px;
      background-color: var(--background-card);
      border-radius: var(--border-radius-md);
      padding: var(--spacing-md);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform var(--transition-base), box-shadow var(--transition-base);
    }

    .client-item:hover {
      transform: scale(1.05);
      box-shadow: var(--box-shadow-md);
      animation-play-state: paused;
    }

    .client-item img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      border-radius: var(--border-radius-sm);
      transition: filter var(--transition-base);
    }

    @keyframes scrollClientes {
      from { transform: translateX(0); }
      to { transform: translateX(-50%); }
    }

    /* FOOTER */
    .main-footer {
      background: linear-gradient(135deg, var(--primary-dark), var(--primary-darker));
      color: var(--text-light);
      font-size: var(--font-size-sm);
    }

    .footer-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--spacing-xxl);
      padding: var(--spacing-xxl) var(--spacing-xl);
    }

    .footer-column {
      display: flex;
      flex-direction: column;
    }

    .footer-logo {
      max-width: 150px;
      margin-bottom: var(--spacing-lg);
      filter: brightness(1.1);
    }

    .footer-title {
      font-size: var(--font-size-lg);
      font-weight: 700;
      margin-bottom: var(--spacing-lg);
      color: var(--text-light);
      position: relative;
      padding-left: var(--spacing-md);
    }

    .footer-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 4px;
      background: linear-gradient(180deg, var(--accent-color), #e67e22);
      border-radius: var(--border-radius-sm);
    }

    .footer-description, .footer-trademark {
      color: rgba(255, 255, 255, 0.8);
      line-height: var(--line-height-base);
      margin-bottom: var(--spacing-md);
    }

    .footer-contact-list {
      list-style: none;
    }

    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: var(--spacing-sm);
      margin-bottom: var(--spacing-md);
      color: rgba(255, 255, 255, 0.9);
    }

    .contact-item i {
      color: var(--accent-color);
      font-size: var(--font-size-base);
      margin-top: 2px;
      flex-shrink: 0;
    }

    .contact-item a {
      color: rgba(255, 255, 255, 0.9);
      text-decoration: none;
      transition: color var(--transition-base);
    }

    .contact-item a:hover {
      color: var(--accent-color);
    }

    .footer-certifications-text {
      color: rgba(255, 255, 255, 0.8);
      margin-bottom: var(--spacing-lg);
      line-height: var(--line-height-base);
    }

    .certifications-container {
      display: flex;
      gap: var(--spacing-md);
      align-items: center;
    }

    .certification-logo {
      height: 50px;
      width: auto;
      filter: brightness(1.1);
      transition: transform var(--transition-base);
    }

    .certification-logo:hover {
      transform: scale(1.05);
    }

    .schedule-info {
      margin-bottom: var(--spacing-lg);
    }

    .schedule-days {
      color: rgba(255, 255, 255, 0.8);
      font-weight: 500;
    }

    .schedule-hours {
      color: var(--accent-color);
      font-weight: 700;
      font-size: var(--font-size-lg);
    }

    .complaints-book-image {
      height: 60px;
      width: auto;
      border-radius: var(--border-radius-sm);
    }

    /* FOOTER BOTTOM */
    .footer-bottom {
      background-color: var(--primary-darker);
      padding: var(--spacing-lg) var(--spacing-xl);
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-bottom-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: var(--spacing-md);
    }

    .copyright {
      color: rgba(255, 255, 255, 0.7);
      font-size: var(--font-size-sm);
    }

    .social-media-links {
      display: flex;
      gap: var(--spacing-md);
    }

    .social-link {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background-color: rgba(255, 255, 255, 0.1);
      border-radius: var(--border-radius-full);
      color: var(--text-light);
      text-decoration: none;
      transition: background-color var(--transition-base), transform var(--transition-base), color var(--transition-base);
    }

    .social-link:hover {
      background-color: var(--accent-color);
      transform: translateY(-2px);
      color: var(--text-dark);
    }

    /* BOTÓN FLOTANTE WHATSAPP */
    .whatsapp-float {
      position: fixed;
      bottom: var(--spacing-xl);
      right: var(--spacing-xl);
      z-index: var(--z-toast);
      width: 60px;
      height: 60px;
      background: linear-gradient(135deg, var(--whatsapp-green), #128c7e);
      border-radius: var(--border-radius-full);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: var(--box-shadow-lg);
      transition: transform var(--transition-base), box-shadow var(--transition-base);
      text-decoration: none;
      animation: pulse 2s infinite;
    }

    .whatsapp-float:hover {
      transform: scale(1.1);
      box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
      animation-play-state: paused;
    }

    .whatsapp-float img {
      width: 35px;
      height: 35px;
      filter: brightness(1.1);
    }

    @keyframes pulse {
      0% { box-shadow: var(--box-shadow-lg), 0 0 0 0 rgba(37, 211, 102, 0.7); }
      70% { box-shadow: var(--box-shadow-lg), 0 0 0 10px rgba(37, 211, 102, 0); }
      100% { box-shadow: var(--box-shadow-lg), 0 0 0 0 rgba(37, 211, 102, 0); }
    }

    /* RESPONSIVE DESIGN */
    @media (max-width: 992px) {
      .header-container {
        flex-direction: column;
        gap: var(--spacing-sm);
      }
      
      .header-top {
        justify-content: center;
      }
      
      .hero-section {
        min-height: 70vh;
      }
      
      .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
      }
      
      .about-image {
        position: static;
        order: -1;
      }
      
      .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--spacing-lg);
      }
      
      .values-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
      }
      
      .footer-container {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-xl);
      }
    }

    @media (max-width: 768px) {
      .nav-list {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
      }
      
      .hero-section {
        min-height: 60vh}}