:root {
            --primary-color: #00d2ff; /* Cyan brillante como en la imagen */
            --secondary-color: #9d50bb; /* Púrpura neón */
            --text-color: #ffffff;
            --bg-overlay: rgba(10, 11, 24, 0.75); /* Oscuro para legibilidad */
            --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }

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

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: #000;
            overflow-x: hidden;
            color: var(--text-color);
        }

        /* Contenedor Hero */
        .hero {
            position: relative;
            height: 100vh;
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
        }

        /* Estilos del Video de Fondo */
        .video-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -2;
        }

        .video-background video {
            width: 100%;
            height: 100%;
            object-fit: cover;
            /* Filtro opcional para potenciar los azules/púrpuras de la imagen */
            filter: saturate(1.2) brightness(0.8);
        }

        /* Capa superpuesta (Overlay) con gradiente */
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(15, 23, 42, 0.4) 0%, rgba(5, 5, 15, 0.9) 100%);
            z-index: -1;
        }

        /* Contenido Principal */
        .hero-content {
            z-index: 1;
            padding: 0 20px;
            max-width: 900px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s forwards ease-out 0.5s;
        }

        .hero-content h1 {
            font-size: clamp(2.5rem, 8vw, 5rem);
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: -2px;
            line-height: 1;
            margin-bottom: 1rem;
            background: linear-gradient(to right, #fff, var(--primary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            drop-shadow: 0 5px 15px rgba(0,210,255,0.3);
        }

        .hero-content h2 {
            font-family: 'JetBrains Mono', monospace;
            font-size: clamp(1rem, 3vw, 1.5rem);
            font-weight: 300;
            color: var(--primary-color);
            margin-bottom: 2.5rem;
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        /* Estilo de las Skills */
        .skills-container {
            margin-bottom: 3rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }

        .skill-tag {
            padding: 5px 15px;
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 4px;
            font-size: 0.8rem;
            font-family: 'JetBrains Mono', monospace;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(5px);
        }

        /* Botones de Llamada a la Acción */
        .cta-group {
            display: flex;
            gap: 20px;
            justify-content: center;
            align-items: center;
        }

        .btn {
            padding: 16px 35px;
            font-size: 0.9rem;
            font-weight: 700;
            text-transform: uppercase;
            text-decoration: none;
            letter-spacing: 1px;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: #000;
            border: 2px solid var(--primary-color);
        }

        .btn-primary:hover {
            background-color: transparent;
            color: var(--primary-color);
            box-shadow: 0 0 30px rgba(0, 210, 255, 0.5);
            transform: translateY(-3px);
        }

        .btn-secondary {
            background-color: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(10px);
        }

        .btn-secondary:hover {
            border-color: #fff;
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        /* Animación de entrada */
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Decoración inspirada en la imagen (líneas de datos) */
        .grid-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 210, 255, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 210, 255, 0.05) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: -1;
            pointer-events: none;
        }

        /* Seccion de proyectos 3D */
        .projects-section {
            position: relative;
            padding: 90px 20px;
            background: radial-gradient(circle at top, #111631 0%, #05060f 65%, #020308 100%);
        }

        .projects-wrapper {
            max-width: 1280px;
            margin: 0 auto;
        }

        .projects-header {
            text-align: center;
            margin-bottom: 45px;
        }

        .projects-header h3 {
            font-size: clamp(1.8rem, 4.5vw, 3rem);
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
            background: linear-gradient(to right, #fff, var(--primary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .projects-header p {
            color: #9ab4cf;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.95rem;
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 300px));
            justify-content: center;
            gap: 26px;
            align-items: stretch;
        }

        .project-card {
            position: relative;
            width: 300px;
            max-width: 100%;
            min-height: auto;
            display: flex;
            flex-direction: column;
            border-radius: 18px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: linear-gradient(160deg, rgba(157, 80, 187, 0.18) 0%, rgba(0, 210, 255, 0.1) 100%);
            transform-style: preserve-3d;
            transition: var(--transition);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
        }

        .project-card:hover {
            transform: translateY(-8px) rotateX(4deg) rotateY(-4deg);
            box-shadow: 0 25px 50px rgba(0, 210, 255, 0.18);
            border-color: rgba(0, 210, 255, 0.35);
        }

        .project-card .project-image,
        .project-card > img {
            display: none !important;
        }

        .project-content {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .project-content .features-list {
            flex: 1;
        }

        .project-content .btn-github {
            margin-top: auto;
            flex-shrink: 0;
        }

        .project-content h4 {
            font-size: 1.1rem;
            font-weight: 800;
            text-transform: uppercase;
            color: #fff;
        }

        .project-description {
            color: #d8e5f3;
            font-size: 0.92rem;
            line-height: 1.55;
        }

        .features-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .features-list li {
            font-family: 'JetBrains Mono', monospace;
            color: #bcddff;
            font-size: 0.78rem;
            border-left: 2px solid rgba(0, 210, 255, 0.5);
            padding-left: 8px;
        }

        .video-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }

        .video-links a {
            text-decoration: none;
            font-size: 0.74rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 700;
            color: #021526;
            background: var(--primary-color);
            border: 1px solid transparent;
            padding: 8px 10px;
            border-radius: 999px;
            transition: var(--transition);
        }

        .video-links a:hover {
            background: transparent;
            color: var(--primary-color);
            border-color: var(--primary-color);
        }

        /* Navegacion fija */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            padding: 14px clamp(20px, 4vw, 48px);
            background: #05070a;
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .site-nav a {
            color: #fff;
            text-decoration: none;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 8px 14px;
            border-radius: 999px;
            transition: var(--transition);
        }

        .site-nav a:hover,
        .site-nav a.active {
            color: var(--primary-color);
            background: rgba(0, 210, 255, 0.12);
        }

        /* Seccion CV */
        .cv-section,
        .contact-section {
            position: relative;
            padding: 90px 20px;
            background: linear-gradient(180deg, #05060f 0%, #0a0f1f 50%, #05060f 100%);
        }

        .cv-wrapper,
        .contact-wrapper {
            max-width: 1100px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h3 {
            font-size: clamp(1.8rem, 4.5vw, 3rem);
            font-weight: 900;
            text-transform: uppercase;
            background: linear-gradient(to right, #fff, var(--primary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-header p {
            color: #9ab4cf;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.9rem;
            margin-top: 8px;
        }

        .cv-profile-card {
            text-align: center;
            margin-bottom: 36px;
            padding: 28px;
            background: rgba(0, 210, 255, 0.06);
            border: 1px solid rgba(0, 210, 255, 0.2);
            border-radius: 16px;
        }

        .cv-profile-card h2 {
            font-size: clamp(1.5rem, 4vw, 2.2rem);
            font-weight: 900;
            margin-bottom: 8px;
        }

        .cv-role {
            color: var(--primary-color);
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            margin-bottom: 10px;
        }

        .cv-contact-line {
            color: #9ab4cf;
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .cv-contact-line a {
            color: var(--primary-color);
            text-decoration: none;
        }

        .cv-contact-line a:hover {
            text-decoration: underline;
        }

        .cv-card .timeline-item ul {
            list-style: none;
            padding-left: 0;
        }

        .cv-card .timeline-item ul li {
            border-left: none;
            padding-left: 0;
            color: #b8c9db;
            font-size: 0.85rem;
        }

        .cv-download {
            display: inline-block;
            padding: 10px 22px;
            background: var(--primary-color);
            color: #000;
            text-decoration: none;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            border-radius: 50px;
            transition: var(--transition);
        }

        .cv-download:hover {
            box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
        }

        .cv-highlights {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
            margin-bottom: 32px;
        }

        .cv-highlight {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 16px;
        }

        .cv-highlight strong {
            display: block;
            color: var(--primary-color);
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .cv-highlight p {
            color: #d8e5f3;
            font-size: 0.88rem;
            line-height: 1.5;
        }

        .cv-card.full-width {
            grid-column: 1 / -1;
        }

        .competency-group {
            margin-bottom: 18px;
        }

        .competency-group strong {
            display: block;
            color: var(--secondary-color);
            font-size: 0.8rem;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .cv-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .cv-tag {
            padding: 5px 10px;
            background: rgba(0, 210, 255, 0.1);
            border: 1px solid rgba(0, 210, 255, 0.25);
            border-radius: 6px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.72rem;
            color: #bcddff;
        }

        .cv-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .cv-tab {
            padding: 10px 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.05);
            color: #9ab4cf;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            cursor: pointer;
            border-radius: 8px;
            transition: var(--transition);
        }

        .cv-tab:hover,
        .cv-tab.active {
            color: var(--primary-color);
            border-color: var(--primary-color);
            background: rgba(0, 210, 255, 0.1);
        }

        .cv-panel {
            display: none;
            animation: fadeInUp 0.5s ease forwards;
        }

        .cv-panel.active {
            display: block;
        }

        .cv-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .cv-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 22px;
            transition: var(--transition);
        }

        .cv-card:hover {
            border-color: rgba(0, 210, 255, 0.3);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }

        .cv-card h4 {
            font-size: 1rem;
            color: var(--primary-color);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .cv-card ul {
            list-style: none;
        }

        .cv-card li {
            color: #d8e5f3;
            font-size: 0.88rem;
            line-height: 1.6;
            padding: 4px 0;
            border-left: 2px solid rgba(157, 80, 187, 0.5);
            padding-left: 10px;
            margin-bottom: 6px;
        }

        .cv-card .timeline-item {
            margin-bottom: 12px;
        }

        .cv-card .year {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            color: var(--secondary-color);
            font-weight: 700;
        }

        .skill-bar-wrap {
            margin-bottom: 14px;
        }

        .skill-bar-wrap span {
            display: block;
            font-size: 0.8rem;
            color: #bcddff;
            margin-bottom: 4px;
        }

        .skill-bar {
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 4px;
            overflow: hidden;
        }

        .skill-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
            border-radius: 4px;
            width: 0;
            transition: width 1.2s ease;
        }

        .social-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-top: 32px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            color: #fff;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .social-links a:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        .social-links img {
            height: 28px;
            width: auto;
            object-fit: contain;
        }

        /* Contacto */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: start;
        }

        .contact-info-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(0, 210, 255, 0.2);
            border-radius: 16px;
            padding: 28px;
        }

        .contact-info-card p {
            color: #d8e5f3;
            font-size: 1rem;
            margin-bottom: 12px;
        }

        .contact-info-card strong {
            color: var(--primary-color);
        }

        .contact-info-card a {
            color: var(--primary-color);
            text-decoration: none;
        }

        .contact-info-card a:hover {
            text-decoration: underline;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .contact-form label {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #9ab4cf;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            color: #fff;
            font-family: inherit;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.15);
        }

        .contact-form textarea {
            min-height: 140px;
            resize: vertical;
        }

        .form-alert {
            padding: 12px;
            border-radius: 8px;
            font-size: 0.9rem;
            display: none;
        }

        .form-alert.error {
            display: block;
            background: rgba(220, 53, 69, 0.2);
            border: 1px solid #dc3545;
            color: #ff8a95;
        }

        .form-alert.success {
            display: block;
            background: rgba(0, 210, 255, 0.15);
            border: 1px solid var(--primary-color);
            color: var(--primary-color);
        }

        .btn-submit {
            padding: 16px;
            background: var(--primary-color);
            color: #000;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-submit:hover {
            box-shadow: 0 0 25px rgba(0, 210, 255, 0.4);
            transform: translateY(-2px);
        }

        /* Mobile responsiveness */
        @media (max-width: 600px) {
            .cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn { width: 100%; }
            .projects-section { padding: 70px 15px; }
            .cards-grid {
                grid-template-columns: 1fr;
                justify-content: stretch;
            }
            .project-card {
                width: 100%;
                min-height: auto;
            }
            .contact-grid { grid-template-columns: 1fr; }
            .site-nav { padding: 10px; }
        }
    
body.page-inner { padding-top: 72px; }
.hero-compact { height: 42vh; min-height: 280px; }
.hero-compact .hero-content { animation: none; opacity: 1; transform: none; }

.filter-panel {
    max-width: 900px;
    margin: 0 auto 28px;
    padding: 20px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(0,210,255,0.2);
    border-radius: 14px;
}
.filter-search {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: 16px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
}
.filter-search:focus { outline: none; border-color: var(--primary-color); }
.filter-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: #9ab4cf;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}
.system-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.system-chip {
    padding: 8px 14px;
    border: 1px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.05);
    color: #bcddff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition);
}
.system-chip:hover { border-color: var(--primary-color); color: var(--primary-color); }
.system-chip.active {
    background: rgba(0,210,255,0.15);
    border-color: var(--primary-color);
    color: var(--primary-color);
}
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; min-height: 32px; }
.active-filters.empty::before {
    content: 'Sin filtros activos — muestra todos los proyectos';
    color: #6a7a8f;
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', monospace;
}
.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px 6px 12px;
    background: rgba(157,80,187,0.25);
    border: 1px solid rgba(157,80,187,0.5);
    border-radius: 999px;
    font-size: 0.75rem;
    color: #fff;
}
.filter-pill button {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    padding: 0 2px;
}
.btn-clear-filters {
    margin-left: auto;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.25);
    color: #9ab4cf;
    border-radius: 8px;
    font-size: 0.72rem;
    cursor: pointer;
    text-transform: uppercase;
    font-family: 'JetBrains Mono', monospace;
}
.btn-clear-filters:hover { border-color: #fff; color: #fff; }
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: #9ab4cf;
    font-family: 'JetBrains Mono', monospace;
}
.project-card.hidden { display: none; }
.site-nav a.nav-brand {
    color: #fff;
    font-weight: 900;
    margin-right: 0;
    letter-spacing: 3px;
    font-size: 0.85rem;
    padding-left: 0;
}
.site-nav a.nav-brand:hover,
.site-nav a.nav-brand.active {
    background: transparent;
    color: var(--primary-color);
}

.btn-github {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    margin-top: 4px;
    padding: 12px 16px;
    background: #24292f;
    color: #fff !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    transition: var(--transition);
}

.btn-github:hover {
    background: #000;
    color: #fff !important;
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.2);
    transform: translateY(-2px);
}

.btn-github .fa {
    font-size: 1.1rem;
}