/* CSS personalizado */
      html {
          font-family: 'Poppins', sans-serif;
      }
      
      body {
          scroll-behavior: smooth;
          background-image: url('img/mesh-gradient.png'); 
          background-repeat: no-repeat;
          background-size: cover;
          background-position: center;
          background-attachment: fixed;
      }
      
      :root {
          --primary-color: #b2d8d7;
          --secondary-color: #475b5d;
          --accent-color: #779c9c;
          --dark-bg: #14141c;
          --text-light: #d1d1d1;
      }
      
      body {
          color: var(--text-light);
      }
      
      /* Header mejorado */
      .header-bg {
          background: rgba(20, 20, 28, 0.95);
          backdrop-filter: blur(12px);
          border-bottom: 1px solid rgba(178, 216, 215, 0.1);
          transition: all 0.3s ease;
      }
      
      .header-scrolled {
          background: rgba(20, 20, 28, 0.98);
          box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
      }
      
      .logo-gradient {
          background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
          background-clip: text;
      }
      
      .nav-link {
          position: relative;
          color: var(--text-light);
          padding: 0.5rem 1rem;
          border-radius: 0.5rem;
          transition: all 0.3s ease;
          font-weight: 500;
          letter-spacing: 0.025em;
      }
      
      .nav-link::before {
          content: '';
          position: absolute;
          bottom: 0;
          left: 50%;
          width: 0;
          height: 2px;
          background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
          transition: all 0.3s ease;
          transform: translateX(-50%);
      }
      
      .nav-link:hover {
          color: var(--primary-color);
          background-color: rgba(178, 216, 215, 0.1);
          transform: translateY(-2px);
      }
      
      .nav-link:hover::before {
          width: 70%;
      }
      
      /* Animaciones mejoradas */
      @keyframes float {
          0%, 100% { transform: translateY(0px) translateX(-50%); }
          50% { transform: translateY(-10px) translateX(-50%); }
      }
      
      .floating {
          animation: float 3s ease-in-out infinite;
      }
      
      @keyframes fadeInUp {
          from {
              opacity: 0;
              transform: translateY(30px);
          }
          to {
              opacity: 1;
              transform: translateY(0);
          }
      }
      
      .fade-in-up {
          opacity: 0;
          animation: fadeInUp 0.8s ease-out forwards;
      }
      
      .delay-200 { animation-delay: 0.2s; }
      .delay-400 { animation-delay: 0.4s; }
      .delay-600 { animation-delay: 0.6s; }
      .delay-800 { animation-delay: 0.8s; }
      
      .hover-glow:hover {
          box-shadow: 0 0 20px rgba(178, 216, 215, 0.4);
      }
      
      @keyframes pulse-glow {
          0%, 100% { box-shadow: 0 0 20px rgba(178, 216, 215, 0.3); }
          50% { box-shadow: 0 0 30px rgba(178, 216, 215, 0.5); }
      }
      
      .pulse-glow {
          animation: pulse-glow 2s ease-in-out infinite;
      }
      
      .bg-orb {
          position: absolute;
          border-radius: 50%;
          filter: blur(40px);
          opacity: 0.3;
          animation: drift 6s ease-in-out infinite;
      }
      
      @keyframes drift {
          0%, 100% { transform: translateY(0px) rotate(0deg); }
          33% { transform: translateY(-20px) rotate(120deg); }
          66% { transform: translateY(10px) rotate(240deg); }
      }
      
      /* Skills mejoradas */
      .skill-card {
          background: linear-gradient(145deg, rgba(178, 216, 215, 0.08) 0%, rgba(119, 156, 156, 0.03) 100%);
          border: 1px solid rgba(178, 216, 215, 0.15);
          padding: 1rem;
          border-radius: 0.75rem;
          display: flex;
          flex-direction: column;
          align-items: center;
          gap: 0.5rem;
          transition: all 0.3s ease;
          backdrop-filter: blur(10px);
      }
      
      .skill-card:hover { 
          transform: translateY(-8px) scale(1.05); 
          background: linear-gradient(145deg, rgba(178, 216, 215, 0.15) 0%, rgba(119, 156, 156, 0.08) 100%);
          border-color: rgba(178, 216, 215, 0.3);
          box-shadow: 0 10px 25px rgba(178, 216, 215, 0.2);
      }
      
      .icon-skill { 
          width: 32px; 
          height: 32px; 
          color: #b2d8d7;
          transition: all 0.3s ease;
      }
      
      .skill-card:hover .icon-skill {
          color: #ffffff;
          transform: rotate(5deg);
      }
      
      .skill-name { 
          font-size: 0.9rem; 
          color: #b2d8d7; 
          font-weight: 600;
          transition: color 0.3s ease;
      }
      
      .skill-card:hover .skill-name {
          color: #ffffff;
      }
      
      /* Proyectos mejorados */
      .project-card {
          background: linear-gradient(145deg, rgba(178, 216, 215, 0.08) 0%, rgba(119, 156, 156, 0.03) 100%);
          border: 1px solid rgba(178, 216, 215, 0.2);
          backdrop-filter: blur(10px);
          transition: all 0.3s ease;
      }
      
      .project-card:hover {
          border-color: rgba(178, 216, 215, 0.4);
          box-shadow: 0 20px 40px rgba(178, 216, 215, 0.15);
          background: linear-gradient(145deg, rgba(178, 216, 215, 0.12) 0%, rgba(119, 156, 156, 0.06) 100%);
      }
      
      .modal-backdrop {
          background: rgba(20, 20, 28, 0.9);
          backdrop-filter: blur(15px);
      }
      
      /* Servicios mejorados */
      .service-card {
          background: linear-gradient(145deg, rgba(71, 91, 93, 0.2) 0%, rgba(58, 74, 76, 0.15) 100%);
          border: 1px solid rgba(178, 216, 215, 0.2);
          backdrop-filter: blur(10px);
          transition: all 0.4s ease;
      }
      
      .service-card:hover {
          background: linear-gradient(145deg, rgba(71, 91, 93, 0.3) 0%, rgba(58, 74, 76, 0.2) 100%);
          border-color: rgba(178, 216, 215, 0.4);
          box-shadow: 0 25px 50px rgba(178, 216, 215, 0.15);
      }
      
      /* Formulario mejorado */
      .contact-form {
          background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.9) 100%);
          backdrop-filter: blur(10px);
          border: 1px solid rgba(178, 216, 215, 0.2);
      }
      
      .form-input {
          transition: all 0.3s ease;
          background: rgba(255, 255, 255, 0.9);
          backdrop-filter: blur(5px);
      }
      
      .form-input:focus {
          background: rgba(255, 255, 255, 1);
          transform: translateY(-2px);
          box-shadow: 0 8px 25px rgba(178, 216, 215, 0.15);
      }
      
      /* Mobile menu mejorado */
      .mobile-menu-btn {
          display: none;
          flex-direction: column;
          justify-content: center;
          cursor: pointer;
          padding: 0.75rem;
          border-radius: 0.5rem;
          background-color: rgba(178, 216, 215, 0.1);
          border: 1px solid rgba(178, 216, 215, 0.2);
          transition: all 0.3s ease;
          width: 44px;
          height: 44px;
          position: relative;
      }
      
      .mobile-menu-btn:hover {
          background-color: rgba(178, 216, 215, 0.2);
          transform: scale(1.05);
      }
      
      .mobile-menu-btn span {
          width: 24px;
          height: 2.5px;
          background-color: var(--primary-color);
          margin: 2px 0;
          transition: all 0.3s ease;
          border-radius: 2px;
          transform-origin: center;
      }
      
      /* Animación del icono hamburguesa a X */
      .mobile-menu-btn.active span:nth-child(1) {
          transform: rotate(45deg) translate(6px, 6px);
      }
      
      .mobile-menu-btn.active span:nth-child(2) {
          opacity: 0;
          transform: scale(0);
      }
      
      .mobile-menu-btn.active span:nth-child(3) {
          transform: rotate(-45deg) translate(6px, -6px);
      }
      
      .mobile-menu {
          display: none;
          position: absolute;
          top: 100%;
          left: 0;
          right: 0;
          background: rgba(20, 20, 28, 0.98);
          backdrop-filter: blur(16px);
          border-top: 1px solid rgba(178, 216, 215, 0.1);
          box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
          transform: translateY(-10px);
          opacity: 0;
          transition: all 0.3s ease;
      }
      
      .mobile-menu.active {
          display: block;
          transform: translateY(0);
          opacity: 1;
      }
      
      .mobile-nav-link {
          display: block;
          padding: 1.25rem 2rem;
          color: var(--text-light);
          border-bottom: 1px solid rgba(178, 216, 215, 0.1);
          transition: all 0.3s ease;
          font-weight: 500;
          text-decoration: none;
          position: relative;
          overflow: hidden;
      }
      
      .mobile-nav-link::before {
          content: '';
          position: absolute;
          left: 0;
          top: 0;
          height: 100%;
          width: 0;
          background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
          opacity: 0.1;
          transition: width 0.3s ease;
      }
      
      .mobile-nav-link:hover {
          background-color: rgba(178, 216, 215, 0.1);
          color: var(--primary-color);
          padding-left: 2.5rem;
      }
      
      .mobile-nav-link:hover::before {
          width: 100%;
      }
      
      .mobile-nav-link:last-child {
          border-bottom: none;
      }
      
      /* Responsive breakpoints mejorados */
      @media (max-width: 1024px) {
          .desktop-nav {
              display: none !important;
          }
          
          .mobile-menu-btn {
              display: flex !important;
          }
      }
      
      @media (min-width: 1025px) {
          .mobile-menu-btn {
              display: none !important;
          }
          
          .mobile-menu {
              display: none !important;
          }
          
          .desktop-nav {
              display: flex;
          }
      }
      
      /* Mejoras para tablets */
      @media (max-width: 768px) {
          .header-bg .max-w-6xl {
              padding-left: 1rem;
              padding-right: 1rem;
          }
          
          .logo-gradient {
              font-size: 1.75rem;
          }
      }