:root {
            --bg-dark: #0a0a0f;
            --bg-card: #111118;
            --primary: #ffd700;
            --secondary: #d4af37;
            --text-light: #f5f5f7;
            --text-gray: #a0a0b0;
            --transition: all 0.4s ease;
            --nav-height: 80px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
            position: relative;
            padding-top: var(--nav-height);
        }

        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 10% 20%, rgba(18, 18, 40, 0.9) 0%, rgba(10, 10, 15, 0.95) 100%);
            z-index: -1;
        }

        /* Barra de navegación mejorada */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            background: rgba(17, 17, 24, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            z-index: 1000;
            transition: var(--transition);
            display: flex;
            justify-content: center;
        }

        .navbar.scrolled {
            background: rgba(17, 17, 24, 0.98);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
            width: 90%;
            max-width: 1200px;
            padding: 0 20px;
        }

        .nav-logo {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }

        .nav-logo i {
            font-size: 1.8rem;
        }

        .nav-logo:hover {
            text-shadow: 0 0 15px rgba(255, 215, 0, 0.5);
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        .nav-link {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            position: relative;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            transition: var(--transition);
            font-size: 1.1rem;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(255, 215, 0, 0.1);
        }

        .nav-link.active {
            color: var(--primary);
            background: rgba(255, 215, 0, 0.15);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 80%;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
            border-radius: 5px;
            transition: var(--transition);
        }

        .mobile-menu-toggle:hover {
            color: var(--primary);
            background: rgba(255, 215, 0, 0.1);
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Estilos de encabezado */
        header {
            padding: 80px 0 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .header-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .profile-img {
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 4px solid var(--primary);
            margin: 0 auto 30px;
            background: linear-gradient(45deg, #1a1a2e, #16213e);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
            animation: float 6s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        .profile-img::before {
            content: "";
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, var(--primary), var(--secondary), transparent);
            z-index: -1;
            border-radius: 50%;
        }

        .profile-img i {
            font-size: 80px;
            color: var(--text-gray);
        }

        h1 {
            font-family: 'Orbitron', sans-serif;
            font-size: 3.2rem;
            margin-bottom: 15px;
            background: linear-gradient(to right, var(--primary), #ffffff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            animation: glow 2s ease-in-out infinite alternate;
        }

        @keyframes glow {
            from { text-shadow: 0 0 20px rgba(255, 215, 0, 0.3); }
            to { text-shadow: 0 0 30px rgba(255, 215, 0, 0.6); }
        }

        .subtitle {
            font-size: 1.5rem;
            color: var(--text-gray);
            margin-bottom: 30px;
            font-weight: 300;
        }

        .highlight {
            color: var(--primary);
            font-weight: 500;
        }

        .cta-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-top: 40px;
        }

        .btn {
            padding: 12px 30px;
            border: none;
            border-radius: 30px;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: var(--bg-dark);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255, 215, 0, 0.3);
        }

        /* Secciones */
        section {
            padding: 80px 0;
            position: relative;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title h2 {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.5rem;
            display: inline-block;
            position: relative;
            padding-bottom: 20px;
        }

        .section-title h2::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: linear-gradient(to right, transparent, var(--primary), transparent);
        }

        .card {
            background: var(--bg-card);
            border-radius: 15px;
            padding: 35px;
            margin-bottom: 30px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            border: 1px solid rgba(255, 215, 0, 0.1);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(255, 215, 0, 0.15);
        }

        .card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
        }

        /* Sección Acerca de */
        .about p {
            font-size: 1.15rem;
            margin-bottom: 25px;
            color: var(--text-gray);
            text-align: center;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Sección Habilidades */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 25px;
        }

        .skill-item {
            text-align: center;
            padding: 30px 20px;
            border-radius: 12px;
            transition: var(--transition);
            background: rgba(30, 30, 40, 0.6);
            border: 1px solid rgba(255, 215, 0, 0.05);
        }

        .skill-item:hover {
            background: rgba(255, 215, 0, 0.1);
            transform: scale(1.05) translateY(-5px);
        }

        .skill-item i {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .skill-item h3 {
            font-size: 1.2rem;
            font-weight: 500;
        }

        /* Sección Proyectos */
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 35px;
        }

        .project-card {
            padding: 0;
            overflow: hidden;
        }

        .project-img {
            height: 200px;
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            display: flex;
            align-items: center;
            justify-content: center;
            border-bottom: 3px solid var(--primary);
            position: relative;
        }

        .project-img::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, rgba(255, 215, 0, 0.1), transparent);
        }

        .project-img i {
            font-size: 4.5rem;
            color: rgba(255, 215, 0, 0.3);
            z-index: 1;
        }

        .project-content {
            padding: 30px;
        }

        .project-content h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .project-content p {
            color: var(--text-gray);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .tech-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .tech-tag {
            background: rgba(255, 215, 0, 0.1);
            color: var(--primary);
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .project-links {
            display: flex;
            gap: 15px;
        }

        .project-link {
            padding: 8px 20px;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            text-decoration: none;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .project-link:hover {
            background: var(--primary);
            color: var(--bg-dark);
        }

        /* Pie de página */
        footer {
            background: var(--bg-card);
            padding: 80px 0 40px;
            text-align: center;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 35px;
            margin-bottom: 50px;
        }

        .contact-card {
            padding: 30px;
        }

        .contact-card i {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 25px;
        }

        .contact-card h3 {
            margin-bottom: 15px;
            font-size: 1.4rem;
        }

        .contact-card p, .contact-card a {
            color: var(--text-gray);
            text-decoration: none;
            transition: var(--transition);
        }

        .contact-card a:hover {
            color: var(--primary);
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 25px;
            margin-top: 30px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            color: var(--primary);
            font-size: 1.8rem;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--primary);
            color: var(--bg-dark);
            transform: translateY(-8px) scale(1.1);
        }

        .copyright {
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            color: var(--text-gray);
            font-size: 0.95rem;
        }

        /* Efectos de partículas */
        .particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            overflow: hidden;
        }

        .particle {
            position: absolute;
            background: rgba(255, 215, 0, 0.5);
            border-radius: 50%;
            animation: float-particles 15s infinite linear;
        }

        @keyframes float-particles {
            0% {
                transform: translateY(0) translateX(0) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 1;
            }
            90% {
                opacity: 1;
            }
            100% {
                transform: translateY(-1000px) translateX(1000px) rotate(720deg);
                opacity: 0;
            }
        }

        /* Scroll to top button */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: var(--primary);
            color: var(--bg-dark);
            border: none;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scroll-top.show {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 215, 0, 0.3);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .nav-menu {
                gap: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: -100%;
                width: 100%;
                height: calc(100vh - var(--nav-height));
                background: rgba(17, 17, 24, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                justify-content: flex-start;
                align-items: center;
                padding-top: 50px;
                transition: var(--transition);
            }

            .nav-menu.active {
                left: 0;
            }

            .nav-menu li {
                margin: 20px 0;
            }

            .nav-link {
                font-size: 1.2rem;
                padding: 15px 30px;
            }

            .mobile-menu-toggle {
                display: block;
            }

            h1 {
                font-size: 2.5rem;
            }
            
            .subtitle {
                font-size: 1.3rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .skills-grid {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            }
            
            .projects-grid {
                grid-template-columns: 1fr;
            }
            
            .contact-grid {
                grid-template-columns: 1fr;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .profile-img {
                width: 150px;
                height: 150px;
            }

            .profile-img i {
                font-size: 60px;
            }
        }

        @media (max-width: 480px) {
            .container {
                width: 95%;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            .profile-img {
                width: 120px;
                height: 120px;
            }
            
            .profile-img i {
                font-size: 50px;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .skills-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .nav-container {
                padding: 0 15px;
            }

            .nav-logo {
                font-size: 1.5rem;
            }
            
            .nav-logo i {
                font-size: 1.5rem;
            }
        }