:root {
            --azul-oscuro: #1D1989;
            --azul-intenso: #0F0C66;
            --blanco: #FFFFFF;
            --verde-neon: #C9FF6D;      
            --negro: #0f0f0f;
            --border-radius: 12px;
            --box-shadow: 0 4px 6px #0f0f0f;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--blanco);
            background-color: var(--negro);
            line-height: 1.6;
            scroll-behavior: smooth;
        }

        .min-h-screen {
            min-height: 100vh;
        }

        /* NAVBAR */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: linear-gradient(to right, var(--negro), var(--azul-intenso), var(--negro));
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        header.scrolled {
            background: rgba(15, 12, 102, 0.95);
            box-shadow: 0 4px 20px #0f0f0f;
        }

        .header-container {
            max-width: 72rem;
            margin: 0 auto;
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand {
            font-weight: 600;
            letter-spacing: 0.025em;
            color: var(--blanco);
            text-decoration: none;
            font-size: 1.5rem;
        }

        .brand:hover {
            color: var(--verde-neon);
        }

        .desktop-nav {
            display: none;
            align-items: center;
            gap: 1.5rem;
        }

        @media (min-width: 768px) {
            .desktop-nav {
                display: flex;
            }
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--verde-neon);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--verde-neon);
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .cta-button {
            padding: 0.5rem 1rem;
            border-radius: 12px;
            background-color: var(--verde-neon);
            color: var(--negro);
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
        }

        .cta-button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(201, 255, 109, 0.3);
        }

        .mobile-menu-button {
            padding: 0.5rem;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: transparent;
            color: white;
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-menu-button:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        @media (min-width: 768px) {
            .mobile-menu-button {
                display: none;
            }
        }

        .mobile-menu {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            background: linear-gradient(to right, var(--negro), var(--azul-intenso), var(--negro));
            animation: slideDown 0.3s ease-out;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .mobile-menu-container {
            max-width: 72rem;
            margin: 0 auto;
            padding: 0.75rem 1rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .mobile-nav-link {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            padding: 0.5rem 0;
            transition: var(--transition);
        }

        .mobile-nav-link:hover {
            color: var(--verde-neon);
            padding-left: 0.5rem;
        }

        .mobile-cta-button {
            padding: 0.5rem 1rem;
            border-radius: 12px;
            background-color: var(--verde-neon);
            color: var(--negro);
            font-weight: 500;
            text-align: center;
            text-decoration: none;
            transition: var(--transition);
        }

        .mobile-cta-button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }

        /* HERO SECTION - AHORA OCUPA TODA LA PANTALLA */
        #inicio {
            position: relative;
            height: 100vh;
            overflow: hidden;
            background-color: var(--negro);
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            z-index: -10;
            background-color: var(--negro);
        }

        .hero-container {
            max-width: 72rem;
            margin: 0 auto;
            padding: 0 1rem;
            display: grid;
            gap: 2.5rem;
            align-items: center;
            width: 100%;
        }

        @media (min-width: 768px) {
            .hero-container {
                grid-template-columns: 1fr 1fr;
                padding: 0 1rem;
            }
        }

        .video-container {
            display: flex;
            justify-content: center;
            position: relative;
            flex-direction: column;
            align-items: center;
        }

        @media (min-width: 768px) {
            .video-container {
                justify-content: center;
            }
        }

        .video-wrapper {
            width: 20rem;
            height: 20rem;
            border-radius: 50%;
            overflow: hidden;
            border: 4px solid var(--blanco);
            box-shadow: 0 0 60px rgba(25, 21, 137, 0.8);
            background: linear-gradient(to right, var(--negro), var(--azul-intenso), var(--negro));
            position: relative;
            animation: pulse 4s infinite ease-in-out;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 60px rgba(25, 21, 137, 0.8); }
            50% { box-shadow: 0 0 80px rgba(25, 21, 137, 1); }
            100% { box-shadow: 0 0 60px rgba(25, 21, 137, 0.8); }
        }

        .video-element {
            width: 100%;
            height: 100%;
            object-fit: cover;
            /* Ocultar controles nativos */
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            -khtml-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            user-select: none;
            pointer-events: none;
        }

        .video-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #0f0f0f;
            opacity: 0;
            transition: opacity 0.3s ease;
            cursor: pointer;
            border-radius: 50%;
        }

        .video-overlay:hover {
            opacity: 1;
        }

        .play-icon {
            font-size: 3rem;
            color: white;
            background-color: rgba(0, 0, 0, 0.5);
            border-radius: 50%;
            width: 80px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .play-icon:hover {
            transform: scale(1.1);
            background-color: rgba(0, 0, 0, 0.7);
        }

        /* ICONOS DE REDES SOCIALES */
        .social-icons {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .social-icon {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            color: var(--blanco);
            font-size: 1.2rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .social-icon:hover {
            transform: translateY(-5px);
            background: var(--verde-neon);
            color: var(--negro);
            box-shadow: 0 5px 15px rgba(201, 255, 109, 0.4);
        }

        .social-icon.linkedin:hover { background: #0A66C2; color: white; }
        .social-icon.instagram:hover { background: #E4405F; color: white; }
        .social-icon.youtube:hover { background: #FF0000; color: white; }
        .social-icon.spotify:hover { background: #1ED760; color: white; }

        .hero-content {
            text-align: center;
        }

        @media (min-width: 768px) {
            .hero-content {
                text-align: left;
            }
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            border: 1px solid rgba(245, 245, 245, 0.15);
            background-color: rgba(201, 255, 109, 0.1);
            color: var(--verde-neon);
            font-size: 0.75rem;
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }

        .hero-title {
            margin-top: 1.5rem;
            font-size: 2.25rem;
            font-weight: 600;
            letter-spacing: -0.025em;
            line-height: 1.2;
            color: var(--blanco);
            animation: fadeInUp 1s ease-out;
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @media (min-width: 768px) {
            .hero-title {
                font-size: 3.75rem;
            }
        }

        .hero-description {
            margin-top: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 36rem;
            animation: fadeInUp 1s ease-out 0.2s both;
        }

        .cta-buttons {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            animation: fadeInUp 1s ease-out 0.4s both;
        }

        @media (min-width: 640px) {
            .cta-buttons {
                flex-direction: row;
            }
        }

        @media (min-width: 768px) {
            .cta-buttons {
                justify-content: flex-start;
            }
        }

        .cta-primary {
            padding: 0.75rem 1.5rem;
            border-radius: 16px;
            background-color: var(--verde-neon);
            color: var(--negro);
            font-weight: 500;
            text-decoration: none;
            text-align: center;
            transition: var(--transition);
        }

        .cta-primary:hover {
            opacity: 0.9;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(201, 255, 109, 0.4);
        }

        .cta-secondary {
            padding: 0.75rem 1.5rem;
            border-radius: 16px;
            border: 1px solid var(--blanco);
            color: var(--blanco);
            text-decoration: none;
            text-align: center;
            transition: var(--transition);
        }

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

        /* VIDEO YOUTUBE SECTION (SECCIÓN 2) */
        .video-section {
            padding: 5rem 1rem;
            background: linear-gradient(to bottom, var(--negro), var(--azul-oscuro));
        }

        .video-section-container {
            max-width: 72rem;
            margin: 0 auto;
            text-align: center;
        }

        .section-title {
            text-align: center;
            font-size: 2.25rem;
            font-weight: 600;
            margin-bottom: 3rem;
            color: var(--blanco);
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--verde-neon);
        }

        .video-wrapper-yt {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 aspect ratio */
            height: 0;
            overflow: hidden;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            max-width: 800px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .video-wrapper-yt iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        .video-titles {
            margin-top: 2rem;
            text-align: left;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .video-main-title {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--blanco);
        }

        .video-subtitles {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
        }

        .video-subtitle {
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            border-left: 3px solid var(--verde-neon);
        }

        .video-subtitle h4 {
            color: var(--verde-neon);
            margin-bottom: 0.5rem;
        }

        /* CALENDARIO SECTION (SECCIÓN 3) */
        .calendar-section {
            padding: 5rem 1rem;
            background: linear-gradient(to bottom, var(--azul-oscuro), var(--negro));
        }

        .calendar-container {
            max-width: 72rem;
            margin: 0 auto;
        }

        .calendar {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
            padding: 2rem;
            border: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 800px;
            margin: 0 auto;
        }

        .calendar-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .calendar-title {
            font-size: 1.5rem;
            color: var(--blanco);
        }

        .calendar-nav {
            display: flex;
            gap: 0.5rem;
        }

        .calendar-nav button {
            background: var(--verde-neon);
            color: var(--negro);
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }

        .calendar-nav button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }

        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 0.5rem;
        }

        .calendar-day {
            text-align: center;
            padding: 0.5rem;
            font-weight: bold;
            color: rgba(255, 255, 255, 0.7);
        }

        .calendar-date {
            text-align: center;
            padding: 0.75rem;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }

        .calendar-date:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .calendar-date.today {
            background: var(--verde-neon);
            color: var(--negro);
            font-weight: bold;
        }

        .calendar-date.event {
            position: relative;
            border: 1px solid var(--verde-neon);
        }

        .calendar-date.event::after {
            content: '';
            position: absolute;
            bottom: 5px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--verde-neon);
        }

        .event-details {
            margin-top: 2rem;
            padding: 1.5rem;
            background: rgba(201, 255, 109, 0.1);
            border-radius: var(--border-radius);
            border-left: 4px solid var(--verde-neon);
        }

        .event-title {
            color: var(--verde-neon);
            margin-bottom: 0.5rem;
        }

        /* PROYECTOS DE INVESTIGACIÓN SECTION */
        .research-projects {
            padding: 5rem 1rem;
            background: linear-gradient(to bottom, var(--negro), var(--azul-oscuro));
        }

        .research-container {
            max-width: 72rem;
            margin: 0 auto;
        }

        .research-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            
        }

         .research-grid2 {    /* Esto aqui, es porque hay un recuadro que es uno solo y quiero que quede en el medio */
       
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            justify-items: center;
            
        }

        .research-grid_3 {
            display: grid;
            grid-template-columns: repeat(2, 1fr); /* 2 columnas iguales */
            gap: 2rem;
            justify-items: center; /* centra cada card dentro de su columna */
        }

        @media (min-width: 768px) {
            .research-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .research-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
            padding: 2rem;
            text-align: center;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0;
            transform: translateY(20px);
        }

        .research-card.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .research-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(201, 255, 109, 0.3);
            border-color: var(--verde-neon);
        }

        .research-icon {
            font-size: 2.5rem;
            color: var(--verde-neon);
            margin-bottom: 1rem;
        }

        .research-title {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--blanco);
        }

        .research-description {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 1.5rem;
        }

        .research-button {
            padding: 0.75rem 1.5rem;
            border-radius: 16px;
            background-color: var(--verde-neon);
            color: var(--negro);
            font-weight: 500;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
        }

        .research-button:hover {
            opacity: 0.9;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(201, 255, 109, 0.4);
        }

        .research-cta {
            text-align: center;
            margin-top: 3rem;
        }

        .research-cta-button {
            padding: 1rem 2rem;
            border-radius: 16px;
            background-color: var(--verde-neon);
            color: var(--negro);
            font-weight: 600;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
            display: inline-block;
        }

        .research-cta-button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(201, 255, 109, 0.4);
        }

        /* MODAL */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 1000;
            overflow: auto;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .modal.show {
            display: flex;
            justify-content: center;
            align-items: center;
            opacity: 1;
        }

        .modal-content {
            background: linear-gradient(to bottom right, var(--azul-intenso), var(--azul-oscuro));
            border-radius: var(--border-radius);
            padding: 2rem;
            width: 90%;
            max-width: 800px;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            animation: modalFadeIn 0.3s ease;
        }

        @keyframes modalFadeIn {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .close-modal {
            position: absolute;
            top: 1rem;
            right: 1rem;
            font-size: 1.5rem;
            color: var(--blanco);
            background: none;
            border: none;
            cursor: pointer;
            z-index: 10;
        }

        .modal-video-container {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
        }

        .modal-video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        .modal-text {
            color: rgba(255, 255, 255, 0.8);
        }

        /* TESTIMONIALS */
        .testimonials {
            padding: 5rem 1rem;
            background: linear-gradient(to bottom, var(--azul-oscuro), var(--negro));
        }

        .testimonials-container {
            max-width: 72rem;
            margin: 0 auto;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 768px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(20px);
        }

        .testimonial-card.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(201, 255, 109, 0.2);
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 1rem;
            color: var(--blanco);
            position: relative;
        }

        .testimonial-text::before,
        .testimonial-text::after {
            content: '"';
            font-size: 2rem;
            color: var(--verde-neon);
            position: absolute;
        }

        .testimonial-text::before {
            top: -10px;
            left: -15px;
        }

        .testimonial-text::after {
            bottom: -20px;
            right: -15px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .author-avatar {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: var(--azul-intenso);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            font-weight: bold;
            color: var(--blanco);
            transition: var(--transition);
        }

        .testimonial-card:hover .author-avatar {
            transform: scale(1.1);
            background: var(--verde-neon);
            color: var(--negro);
        }

        .author-name {
            font-weight: 600;
            color: var(--blanco);
        }

        .author-role {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
        }

        /* NEWSLETTER SECTION */
        .newsletter {
            padding: 5rem 1rem;
            background: linear-gradient(to right, var(--azul-intenso), var(--azul-oscuro));
            text-align: center;
        }

        .newsletter-container {
            max-width: 36rem;
            margin: 0 auto;
        }

        .newsletter-title {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--blanco);
        }

        .newsletter-description {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 2rem;
        }

        .newsletter-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        @media (min-width: 640px) {
            .newsletter-form {
                flex-direction: row;
            }
        }

        .newsletter-input {
            flex: 1;
            padding: 0.75rem 1rem;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: var(--blanco);
            transition: var(--transition);
        }

        .newsletter-input:focus {
            outline: none;
            border-color: var(--verde-neon);
            background: rgba(255, 255, 255, 0.15);
        }

        .newsletter-button {
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            background-color: var(--verde-neon);
            color: var(--negro);
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .newsletter-button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }

        /* QUANTUM LEAP SECTION */
        .quantum-leap {
            padding: 5rem 1rem;
            background: linear-gradient(to right, var(--azul-intenso), var(--azul-oscuro));
            text-align: center;
        }

        .quantum-container {
            max-width: 72rem;
            margin: 0 auto;
        }

        .quantum-title {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: var(--blanco);
        }

        .quantum-title span {
            color: var(--verde-neon);
            text-shadow: 0 0 10px rgba(201, 255, 109, 0.5);
        }

        .quantum-list {
            list-style: none;
            max-width: 40rem;
            margin: 0 auto;
            text-align: left;
        }

        .quantum-item {
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--blanco);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .quantum-item:hover {
            transform: translateX(10px);
            color: var(--verde-neon);
        }

        .quantum-item:before {
            content: "→";
            color: var(--verde-neon);
            margin-right: 1rem;
            font-weight: bold;
        }

        .quantum-cta {
            display: inline-block;
            margin-top: 2rem;
            padding: 1rem 2rem;
            border-radius: 16px;
            background-color: var(--verde-neon);
            color: var(--negro);
            font-weight: 600;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
        }

        .quantum-cta:hover {
            opacity: 0.9;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(201, 255, 109, 0.4);
        }

        /* FAQ */
        .faq {
            padding: 5rem 1rem;
            background: linear-gradient(to bottom, var(--negro), var(--azul-oscuro));
        }

        .faq-container {
            max-width: 72rem;
            margin: 0 auto;
        }

        .accordion {
            margin-top: 2rem;
        }

        .accordion-item {
            margin-bottom: 1rem;
            border-radius: var(--border-radius);
            overflow: hidden;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--verde-neon);
        }

        .accordion-header {
            padding: 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .accordion-title {
            font-weight: 500;
            color: var(--blanco);
        }

        .accordion-icon {
            transition: transform 0.3s ease;
            color: var(--verde-neon);
            font-weight: bold;
        }

        .accordion-item.active .accordion-icon {
            transform: rotate(45deg);
        }

        .accordion-content {
            padding: 0 1.5rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .accordion-item.active .accordion-content {
            max-height: 300px;
            padding: 0 1.5rem 1.5rem;
        }

        /* FOOTER */
        footer {
            padding: 3rem 1rem;
            background: var(--negro);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-container {
            max-width: 72rem;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-link:hover {
            color: var(--verde-neon);
            transform: translateY(-2px);
        }

        .footer-social {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .footer-social-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            color: var(--blanco);
            transition: var(--transition);
        }

        .footer-social-icon:hover {
            background: var(--verde-neon);
            color: var(--negro);
            transform: translateY(-3px);
        }

        .copyright {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.875rem;
        }

        /* Toast notification */
        .toast {
            position: fixed;
            bottom: 20px;
            right: 20px;
            padding: 1rem 1.5rem;
            background: var(--verde-neon);
            color: var(--negro);
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transform: translateY(100px);
            opacity: 0;
            transition: transform 0.3s ease, opacity 0.3s ease;
            z-index: 1000;
        }

        .toast.show {
            transform: translateY(0);
            opacity: 1;
        }

        /* Animations for scroll */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }
    
        /* LÍNEA DE AGRADECIMIENTOS */
.acknowledgments-line {
    background: linear-gradient(to right, var(--azul-intenso), var(--azul-oscuro));
    padding: 1.5rem 1rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    position: relative;
    overflow: hidden;
}

/*.acknowledgments-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--verde-neon);
    box-shadow: 0 0 10px var(--verde-neon);
} */

.sponsor-logo {
            /* La imagen se ajustará al contenedor sin distorsionarse */
            max-width: 100%;
            max-height: 100%;
            object-fit: contain; /* Mantiene la proporción de la imagen */
            filter: grayscale(100%) brightness(1.5);
            opacity: 0.8;
            transition: var(--transition);
        }


.line-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0.5rem 0;
    gap: 2rem;
}

.line-container::-webkit-scrollbar {
    height: 5px;
}

.line-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.line-container::-webkit-scrollbar-thumb {
    background: var(--verde-neon);
    border-radius: 10px;
}

.line-title {
    color: var(--blanco);
    font-size: 1.2rem;
    font-weight: 600;
    white-space: nowrap;
    display: flex;
    align-items: center;
    margin-right: 1rem;
}

.line-title i {
    color: var(--verde-neon);
    margin-right: 0.5rem;
    font-size: 1.5rem;
}

.sponsor-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    min-width: 180px;
    justify-content: center;
}

.sponsor-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(201, 255, 109, 0.2);
    border-color: var(--verde-neon);
}

.sponsor-logo {
    max-width: 150px;
    height: 80px;
    filter: grayscale(100%) brightness(1.5);
    opacity: 0.8;
    transition: var(--transition);
    object-fit: contain;
}

.sponsor-item:hover .sponsor-logo {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
    transform: scale(1.05);
}

/* Responsive */
@media (max-width: 768px) {
    .line-container {
        justify-content: flex-start;
        padding-bottom: 1rem;
    }
    
    .line-title {
        font-size: 1rem;
    }
    
    .sponsor-item {
        min-width: 150px;
        padding: 0.5rem 1rem;
    }
}