/* ======================================= */
        /* VARIABLES & RESET */
        /* ======================================= */
        :root {
            --color-bg-dark: #0A0A0A;
            --color-primary: #9CA3AF;
            --color-secondary: #1F2937;
            --color-bg-form: #141414;
            --color-text-light: #F9FAFB;
            --color-text-muted: #6B7280;
            --font-heading: 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'Helvetica Neue', Arial, sans-serif;
            --transition-speed: 0.5s;
            --padding-desktop: 120px;
            --h1-desktop: 4.5rem;
            --h2-desktop: 3rem;
        }

        /* Variables para tema claro */
        .light-theme {
            --color-bg-dark: #F9FAFB;
            --color-primary: #4B5563;
            --color-secondary: #E5E7EB;
            --color-bg-form: #FFFFFF;
            --color-text-light: #1F2937;
            --color-text-muted: #6B7280;
        }

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

        body {
            font-family: var(--font-body);
            line-height: 1.6;
            color: var(--color-text-light);
            background-color: var(--color-bg-dark);
            overflow-x: hidden;
            transition: background-color var(--transition-speed), color var(--transition-speed);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 50px;
        }

        /* ======================================= */
        /* BOTÓN DE CAMBIO DE TEMA */
        /* ======================================= */
        .theme-toggle {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-bg-dark);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            z-index: 1000;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .theme-toggle:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
        }

        .theme-toggle::before {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
            top: 0;
            left: -100%;
            transition: left 0.5s ease;
        }

        .theme-toggle:hover::before {
            left: 100%;
        }

        .theme-toggle .fa-sun {
            display: none;
        }

        .light-theme .theme-toggle .fa-moon {
            display: none;
        }

        .light-theme .theme-toggle .fa-sun {
            display: block;
        }

        /* ======================================= */
        /* UTILITIES */
        /* ======================================= */
        .ao-e {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 1s ease-out, transform 1s ease-out;
        }

        .ao-e.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* ======================================= */
        /* HEADER & NAVIGATION */
        /* ======================================= */
        .main-header {
            position: fixed;
            width: 100%;
            z-index: 1000;
            background-color: transparent;
            transition: background-color 0.3s, box-shadow 0.3s;
        }

        .main-header.sticky {
            background-color: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(5px);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
        }

        .light-theme .main-header.sticky {
            background-color: rgba(249, 250, 251, 0.95);
            backdrop-filter: blur(5px);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.1);
        }

        .main-nav a {
            color: #F9FAFB;
            /* Siempre blanco cuando el header es transparente */
            text-decoration: none;
            margin-left: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.3s;
        }

        .main-nav a:hover {
            color: #9CA3AF;
            /* Plateado en hover cuando header transparente */
        }


        /* Asegurar que la navegación en header sticky sea visible en ambos temas */
        .main-header.sticky .main-nav a {
            color: #F9FAFB;
        }

        .light-theme .main-header.sticky .main-nav a {
            color: #1F2937;
        }

        .main-header.sticky .main-nav a:hover {
            color: #9CA3AF;
        }

        .light-theme .main-header.sticky .main-nav a:hover {
            color: #4B5563;
        }

        .main-header.sticky .btn-cta {
            color: #9CA3AF;
            border-color: #9CA3AF;
        }

        .light-theme .main-header.sticky .btn-cta {
            color: #4B5563;
            border-color: #4B5563;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            width: 150px;
            height: 120px;
            margin: 0;
        }

        .logo img {
            width: 100%;
            height: 100%;
        }

        /* ======================================= */
        /* HEADER & NAVIGATION */
        /* ======================================= */
        .main-header {
            position: fixed;
            width: 100%;
            z-index: 1000;
            background-color: transparent;
            transition: background-color 0.3s, box-shadow 0.3s;
        }

        .main-header.sticky {
            background-color: rgba(10, 10, 10, 0.95);
            backdrop-filter: blur(5px);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.5);
        }

        .light-theme .main-header.sticky {
            background-color: rgba(249, 250, 251, 0.95);
            box-shadow: 0 1px 10px rgba(0, 0, 0, 0.1);
        }

        /* Desktop Navigation */
        .main-nav {
            display: flex;
            align-items: center;
        }

        /* Navegación cuando el header NO es sticky (transparente) */
        .main-nav a {
            color: #F9FAFB;
            /* SIEMPRE BLANCO cuando header transparente */
            text-decoration: none;
            margin-left: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.3s;
        }

        .main-nav a:hover {
            color: #9CA3AF;
            /* Plateado en hover cuando header transparente */
        }

        /* Navegación cuando el header ES sticky en tema oscuro */
        .main-header.sticky .main-nav a {
            color: #F9FAFB;
            /* Blanco en tema oscuro sticky */
        }

        .main-header.sticky .main-nav a:hover {
            color: #9CA3AF;
            /* Plateado en hover en tema oscuro sticky */
        }

        /* Navegación cuando el header ES sticky en tema claro */
        .light-theme .main-header.sticky .main-nav a {
            color: #4B5563;
            /* Gris oscuro en tema claro sticky */
        }

        .light-theme .main-header.sticky .main-nav a:hover {
            color: #1F2937;
            /* Gris más oscuro en hover en tema claro sticky */
        }

        /* Botón CTA cuando el header NO es sticky */
        .btn-cta {
            color: #F9FAFB;
            /* Plateado cuando header transparente */
            border-color: #F9FAFB;
        }

        .btn-cta:hover {
            color: #F9FAFB;
            /* Blanco en hover cuando header transparente */
            border-color: #F9FAFB;
        }

        /* Botón CTA cuando el header ES sticky en tema oscuro */
        .main-header.sticky .btn-cta {
            color: #F9FAFB;
            /* Plateado en tema oscuro sticky */
            border-color: #F9FAFB;
        }

        .main-header.sticky .btn-cta:hover {
            color: #F9FAFB;
            /* Blanco en hover en tema oscuro sticky */
            border-color: #F9FAFB;
        }

        /* Botón CTA cuando el header ES sticky en tema claro */
        .light-theme .main-header.sticky .btn-cta {
            color: #4B5563;
            /* Gris oscuro en tema claro sticky */
            border-color: #4B5563;
        }

        .light-theme .main-header.sticky .btn-cta:hover {
            color: #1F2937;
            /* Gris más oscuro en hover en tema claro sticky */
            border-color: #1F2937;
        }

        /* Mobile Navigation */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #F9FAFB;
            /* SIEMPRE BLANCO cuando header transparente */
            font-size: 1.5rem;
            cursor: pointer;
            z-index: 1001;
            transition: color 0.3s;
        }

        /* Mobile menu toggle en header sticky tema claro */
        .light-theme .main-header.sticky .mobile-menu-toggle {
            color: #4B5563;
            /* Gris oscuro en tema claro sticky */
        }

        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background-color: var(--color-bg-dark);
            z-index: 1000;
            transition: right 0.4s ease;
            padding: 80px 30px 30px;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
        }

        .mobile-nav.active {
            right: 0;
        }

        .mobile-nav a {
            display: block;
            color: var(--color-text-light);
            text-decoration: none;
            padding: 15px 0;
            font-size: 1.1rem;
            border-bottom: 1px solid var(--color-secondary);
            transition: color 0.3s;
        }

        .mobile-nav a:hover {
            color: var(--color-primary);
        }

        .mobile-nav-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: var(--color-text-light);
            font-size: 1.5rem;
            cursor: pointer;
        }

        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.4s, visibility 0.4s;
        }

        .mobile-overlay.active {
            opacity: 1;
            visibility: visible;
        }



        /* ======================================= */
        /* BUTTONS */
        /* ======================================= */
        .btn {
            padding: 14px 35px;
            border: 2px solid var(--color-primary);
            border-radius: 4px;
            font-size: 0.9rem;
            font-weight: 700;
            text-decoration: none;
            cursor: pointer;
            transition: all var(--transition-speed);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .btn-primary {
            background-color: transparent;
            color: var(--color-primary);
            box-shadow: 0 0 10px rgba(156, 163, 175, 0.3);
        }

        .btn-primary:hover {
            background-color: transparent;
            color: var(--color-primary);
            box-shadow: 0 0 10px rgba(156, 163, 175, 0.3);
        }

        /* ======================================= */
        /* HERO SECTION - SIEMPRE EN ESTILO OSCURO */
        /* ======================================= */
        .hero-section {
            position: relative;
            height: 100vh;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(14, 71, 82, 0.3)),
                url('https://gpoein.com/assets/images/header.jpg') center/cover no-repeat;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        /* Asegurar que el Hero siempre mantenga el estilo oscuro */
        .light-theme .hero-section {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(14, 71, 82, 0.3)),
                url('https://gpoein.com/assets/images/header.jpg') center/cover no-repeat;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 800px;
            padding-top: 80px;
            /* Espacio para el header fijo */
        }

        .hero-title {
            font-size: var(--h1-desktop);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 25px;
            color: #F9FAFB;
            /* Siempre texto claro en el hero */
        }

        .hero-title strong {
            color: #9CA3AF;
            /* Siempre color plateado en el hero */
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: #F9FAFB;
            /* Siempre texto claro en el hero */
            margin-bottom: 40px;
            max-width: 600px;
        }

        .hero-stats {
            display: flex;
            align-items: center !important;
            gap: 15px;
        }

        .stat-number,
        .stat-symbol {
            font-size: 3.5rem;
            font-weight: 900;
            color: #9CA3AF;
            /* Siempre color plateado en el hero */
        }

        .stat-text {
            font-size: 1.2rem;
            color: #F9FAFB;
            /* Siempre texto claro en el hero */
            max-width: 200px;
        }

        /* ======================================= */
        /* GENERAL SECTION STYLES */
        /* ======================================= */
        section {
            padding: var(--padding-desktop) 0;
            position: relative;
        }

        .section-title {
            font-size: var(--h2-desktop);
            font-weight: 900;
            color: var(--color-text-light);
            margin-bottom: 20px;
        }

        .section-subtitle {
            font-size: 1.2rem;
            color: var(--color-text-muted);
            max-width: 800px;
            margin-bottom: 50px;
        }

        /* ======================================= */
        /* ABOUT SECTION */
        /* ======================================= */
        .about-section {
            background: linear-gradient(rgba(0, 0, 0, 1), rgba(0, 0, 0, .9)),
                url('https://gpoein.com/assets/images/trama.png') top/cover;
        }

        .light-theme .about-section {
            background: linear-gradient(rgba(255, 255, 255, 98), rgba(255, 255, 255, .94)),
                url('https://gpoein.com/assets/images/trama-p.png') top/cover;
        }

        .mission-vision-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            margin-top: 40px;
            border-top: 5px solid var(--color-secondary);
            padding-top: 50px;
        }

        .mv-card h4 {
            color: var(--color-primary);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .mv-card p {
            font-size: 1.1rem;
            line-height: 1.7;
        }

        /* ======================================= */
        /* VALUES SECTION */
        /* ======================================= */
        .values-section {
            background: linear-gradient(rgba(10, 10, 10, 0.8), rgba(20, 20, 30, 0.9)),
                url('https://gpoein.com/assets/images/valores.jpg') center/cover no-repeat;
            padding: 100px 0;
        }

        .light-theme .values-section {
            background: linear-gradient(rgba(249, 250, 251, 0.8), rgba(230, 230, 240, 0.9)),
                url('https://gpoein.com/assets/images/valores.jpg') center/cover no-repeat;
        }

        .values-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
            margin-top: 60px;
        }

        /* App Card Styles */
        .app-card {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(255, 255, 255, .02);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .light-theme .app-card {
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        }

        .app-card-content {
            display: flex;
            flex-grow: 1;
        }

        .app-card-image {
            background-color: rgba(0, 0, 0, .6);
            width: 25%;
            height: 100%;
            padding: 1rem;
            overflow: hidden;
            position: relative;
        }

        .light-theme .app-card-image {
            background-color: rgba(255, 255, 255, 1);
        }

        .app-card-image img {
            width: 100%;
            height: 100%;
            display: block;
        }

        .app-card-info {
            flex: 1;
            background-color: rgba(0, 0, 0, .4);
            color: white;
            padding: 20px;
            display: flex;
            flex-direction: column;
        }

        .light-theme .app-card-info {
            background-color: rgba(255, 255, 255, 0.8);
            color: var(--color-text-light);
        }

        .app-card-info h2 {
            font-size: 1.5em;
            margin-top: 0;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .app-card-info ul {
            list-style: none;
            padding: 0;
            margin-bottom: 25px;
        }

        .app-card-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
            font-size: 0.95em;
            line-height: 1.4;
        }

        .check-icon {
            color: #4CAF50;
            font-weight: bold;
            margin-right: 10px;
            font-size: 1.2em;
            line-height: 1;
        }

        /* ======================================= */
        /* SERVICES SECTION - MEJORADO PARA MÓVIL */
        /* ======================================= */
        .services-section {
            background: linear-gradient(rgba(0, 0, 0, 1), rgba(0, 0, 0, 0.5)),
                url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            margin-bottom: 0 !important;
            padding-bottom: 0 !important;
        }

        .light-theme .services-section {
            background: linear-gradient(rgba(255, 255, 255, .8), rgba(0, 0, 0, 0.5)),
                url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
        }

        .slider-container {
            width: 100%;
            height: auto;
            min-height: 70vh;
            position: relative;
            overflow: visible;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        .accordion-slider {
            display: flex;
            height: 100%;
            position: relative;
        }

        .slide {
            flex: 1;
            position: relative;
            cursor: pointer;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            min-height: 70vh;
            overflow: visible;
        }

        .slide:hover {
            filter: grayscale(0);
        }

        .slide.active {
            flex: 2.5;
            filter: grayscale(0);
            min-height: auto;
        }

        .slide::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent -100%, rgba(0, 0, 0, 1) 100%);
        }

        .light-theme .slide::before {
            background: linear-gradient(180deg, transparent -100%, rgba(255, 255, 255, .8) 100%);
        }

        .slide-content {
            position: absolute;
            top: 5rem;
            bottom: 50px;
            left: 30px;
            right: 30px;
            color: white;
            z-index: 2;
            display: flex;
            flex-direction: column;
        }

        .light-theme .slide-content {
            color: var(--color-text-light);
        }

        .slide.active .slide-content {
            margin-left: auto;
            margin-right: auto;
            width: 70%;
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
            position: relative;
            height: auto;
        }

        .slide-number {
            font-size: 40px;
            font-weight: 300;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1;
            position: absolute;
            bottom: 30px;
            left: 0px;
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .light-theme .slide-number {
            color: rgba(31, 41, 55, 0.6);
            font-weight: 400;
        }

        .slide.active .slide-number {
            bottom: auto;
            top: -50px;
            font-size: 48px;
            left: 0;
            display: none;
        }

        .car-name {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 8px;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            transition-delay: 0s;
        }

        .slide.active .car-name {
            opacity: 1;
            transform: translateY(0);
            transition-delay: 0.3s;
        }

        .car-subtitle {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            transition-delay: 0s;
            flex: 1;
            overflow: visible;
            max-height: none;
        }

        .light-theme .car-subtitle {
            color: rgba(31, 41, 55, 0.8);
        }

        .slide.active .car-subtitle {
            opacity: 1;
            transform: translateY(0);
            transition-delay: 0.4s;
        }

        /* ======================================= */
        /* SERVICES ACCORDION - SIN SCROLL */
        /* ======================================= */
        .services-accordion {
            width: 100%;
            overflow: visible;
            padding-right: 0;
        }

        .accordion-item {
            margin-bottom: 10px;
            border: 1px solid rgba(156, 163, 175, 0.3);
            border-radius: 8px;
            overflow: hidden;
            background: rgba(20, 20, 20, 0.7);
            transition: all 0.3s ease;
        }

        .light-theme .accordion-item {
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(75, 85, 99, 0.3);
        }

        .accordion-item:hover {
            border-color: var(--color-primary);
            background: rgba(20, 20, 20, 0.9);
        }

        .light-theme .accordion-item:hover {
            background: rgba(255, 255, 255, 1);
        }

        .accordion-header {
            width: 100%;
            padding: 15px 20px;
            background: transparent;
            border: none;
            color: var(--color-text-light);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 15px;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .accordion-header:hover {
            background: rgba(156, 163, 175, 0.1);
        }

        .accordion-icon {
            color: #4CAF50;
            font-weight: bold;
            font-size: 1.2rem;
            transition: transform 0.3s ease;
            min-width: 20px;
            text-align: center;
        }

        .accordion-header.active .accordion-icon {
            transform: rotate(45deg);
            color: #ff6b6b;
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease-out;
            background: rgba(10, 10, 10, 0.9);
        }

        .light-theme .accordion-content {
            background: rgba(249, 250, 251, 0.9);
        }

        .accordion-content.active {
            max-height: 2000px;
        }

        .accordion-body {
            padding: 20px;
            border-top: 1px solid rgba(156, 163, 175, 0.2);
        }

        .accordion-body p {
            margin-bottom: 10px;
            line-height: 1.5;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .accordion-body p:last-child {
            margin-bottom: 0;
        }

        .accordion-body .check-icon {
            color: #4CAF50;
            font-weight: bold;
            margin-right: 8px;
            font-size: 1rem;
            line-height: 1.4;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ======================================= */
        /* SLIDE BUTTONS - COLOR PLATEADO */
        /* ======================================= */
        .add-button {
            position: absolute;
            bottom: 30px;
            right: 30px;
            background: transparent;
            border: 2px solid var(--color-primary);
            /* Color plateado */
            border-radius: 25px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.4s ease;
            z-index: 3;
            padding: 8px 16px;
            min-width: 100px;
            height: 40px;
        }

        .add-button::before {
            content: "Ver más";
            color: var(--color-primary);
            /* Color plateado */
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all 0.4s ease;
        }

        .add-button::after {
            content: "";
            position: absolute;
            background: var(--color-primary);
            /* Color plateado */
            transition: all 0.4s ease;
            opacity: 0;
            width: 0;
            height: 0;
        }

        /* Estado cuando el slide está activo - BOTÓN CIRCULAR */
        .slide.active .add-button {
            background: transparent;
            border-color: var(--color-primary);
            /* Color plateado */
            border-radius: 50%;
            min-width: 40px;
            width: 40px;
            height: 40px;
            padding: 0;
        }

        .slide.active .add-button::before {
            content: "×";
            color: var(--color-primary);
            /* Color plateado */
            font-size: 1.8rem;
            font-weight: 300;
            line-height: 1;
            margin-top: -4px;
        }

        .slide.active .add-button:hover {
            background: rgba(156, 163, 175, 0.1);
            /* Color plateado con transparencia */
            transform: scale(1.1);
        }

        .add-button:hover {
            background: rgba(156, 163, 175, 0.1);
            /* Color plateado con transparencia */
            transform: scale(1.05);
        }

        /* Efectos de hover mejorados */
        .add-button:hover::before {
            color: #ffffff;
        }

        .light-theme .add-button:hover::before {
            color: #1F2937;
        }

        .slide.active .add-button:hover::before {
            color: #ffffff;
        }

        .light-theme .slide.active .add-button:hover::before {
            color: #1F2937;
        }

        .navigation-arrows {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.1);
            border: none;
            border-radius: 50%;
            color: white;
            cursor: pointer;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            z-index: 4;
            backdrop-filter: blur(10px);
        }

        .light-theme .navigation-arrows {
            background: rgba(31, 41, 55, 0.1);
            color: var(--color-text-light);
        }

        .nav-prev {
            left: 20px;
        }

        .nav-next {
            right: 20px;
        }

        .navigation-arrows:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .light-theme .navigation-arrows:hover {
            background: rgba(31, 41, 55, 0.2);
        }

        /* ======================================= */
        /* DIFFERENTIATORS SECTION - CORREGIDO */
        /* ======================================= */
        .differentiators-section {
            background: linear-gradient(rgba(0, 0, 0, .95), rgba(0, 0, 0, 0.96)),
                url('https://gpoein.com/assets/images/patrones.png') center/cover no-repeat;
            padding: 100px 0;
        }

        .light-theme .differentiators-section {
            background: linear-gradient(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.95)),
                url('https://gpoein.com/assets/images/patrones.png') center/cover no-repeat;
        }

        .differentiators-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 60px;
        }

        .diff-card {
            background: linear-gradient(145deg, rgba(26, 26, 26, 0.8), rgba(31, 31, 31, 0.9));
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s, border-color 0.4s;
            border: 1px solid rgba(156, 163, 175, 0.1);
            height: 100%;
            display: flex;
            flex-direction: column;
            opacity: 0;
            transform: translateY(30px);
        }

        .light-theme .diff-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(240, 240, 240, 0.95));
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(75, 85, 99, 0.1);
        }

        .diff-card.active {
            opacity: 1;
            transform: translateY(0);
        }

        .diff-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
            border-color: rgba(156, 163, 175, 0.3);
        }

        .light-theme .diff-card:hover {
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
            border-color: rgba(75, 85, 99, 0.3);
        }

        .diff-card-content {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .diff-card-image {
            width: 100%;
            overflow: hidden;
            position: relative;
            height: 240px;
            ;
        }

        .diff-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease, filter 0.4s ease;
            display: block;
        }

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

        /* overlay title shown on top of image */
        .diff-card-image .overlay-title {
            position: absolute;
            left: 20px;
            bottom: 18px;
            z-index: 2;
            transition: transform 0.35s ease, opacity 0.35s ease;
        }

        .diff-card-image .overlay-title h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
        }

        /* darken the image on hover to reveal full content */
        .diff-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0) 30%, rgba(0, 0, 0, 0.45) 100%);
            transition: background 0.4s ease, backdrop-filter 0.4s ease;
            pointer-events: none;
        }

        .diff-card:hover .diff-card-image::after {
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.6) 100%);
        }

        .light-theme .diff-card-image::after {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0) 30%, rgba(255, 255, 255, 0.3) 100%);
        }

        .light-theme .diff-card:hover .diff-card-image::after {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.5) 100%);
        }

        /* Hover only on image: darken image and show info overlay above title */
        .diff-card-image:hover img,
        .diff-card-image:focus-within img {
            transform: scale(1.04);
            filter: brightness(0.45) contrast(0.95);
        }

        .light-theme .diff-card-image:hover img,
        .light-theme .diff-card-image:focus-within img {
            filter: brightness(0.8) contrast(1.05);
        }

        /* When hovering the image (or focusing it), show the info overlay. We use + selector because
   .diff-card-image and .diff-card-info are siblings in the markup. Also allow .diff-card:hover so
   overlay persists if user moves pointer into it. */
        .diff-card-image:hover+.diff-card-info,
        .diff-card-image:focus-within+.diff-card-info,
        .diff-card:hover .diff-card-info {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        /* Ensure overlay sits above title */
        .diff-card-info {
            z-index: 4;
        }

        /* Keep overlay hidden on small screens unless tapped (JS toggle can be added later) */
        @media (hover: none) {
            .diff-card-image:hover img {
                transform: none;
                filter: none;
            }
        }

        /* Hide full info by default, reveal on hover */
        .diff-card-info {
            /* overlay that appears on hover, covers image and title */
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: flex-start;
            background: linear-gradient(180deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.78));
            padding: 30px;
            gap: 12px;
            color: var(--color-text-light);
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.35s ease, transform 0.35s ease, backdrop-filter 0.35s ease;
            pointer-events: none;
            z-index: 3;
            backdrop-filter: blur(2px);
        }

        .light-theme .diff-card-info {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.9));
            color: var(--color-text-light);
        }

        .diff-card:hover .diff-card-info {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        /* when overlay is visible, slightly lift/fade the bottom overlay title */
        .diff-card:hover .diff-card-image .overlay-title {
            transform: translateY(-8px);
            opacity: 0.9;
        }

        /* ======================================= */
        /* CONTACT SECTION */
        /* ======================================= */
        .contact-section {
            background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.9)),
                url('https://gpoein.com/assets/images/contacto.jpg') center/cover no-repeat;
            padding: 100px 0;
        }

        .light-theme .contact-section {
            background: linear-gradient(rgba(249, 250, 251, 1), rgba(249, 250, 251, 0.5)),
                url('https://gpoein.com/assets/images/contacto.jpg') center/cover no-repeat;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: flex-start;
        }

        .cta-title {
            font-size: 3rem;
            color: var(--color-text-light);
            font-weight: 900;
            margin-bottom: 15px;
        }

        .cta-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-muted);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .contact-details {
            margin-top: 30px;
            padding-top: 30px;
            border-top: 1px solid var(--color-secondary);
        }

        .detail-item {
            margin-bottom: 15px;
            color: var(--color-text-light);
            font-size: 1rem;
        }

        .detail-item i {
            color: var(--color-primary);
            margin-right: 10px;
        }

        .detail-item a {
            color: var(--color-text-light);
            text-decoration: none;
        }

        .detail-item a:hover {
            color: var(--color-primary);
        }

        .contact-form {
            background-color: var(--color-secondary);
            padding: 40px;
            border-radius: 4px;
        }

        .light-theme .contact-form {
            background-color: var(--color-bg-form);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .contact-form h4 {
            color: var(--color-primary);
            font-size: 1.5rem;
            margin-bottom: 30px;
            font-weight: 700;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            color: var(--color-primary);
            font-size: 0.9rem;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .contact-form input[type="text"],
        .contact-form input[type="email"],
        .contact-form select,
        .contact-form textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--color-text-muted);
            background-color: var(--color-bg-dark);
            color: var(--color-text-light);
            border-radius: 4px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .light-theme .contact-form input[type="text"],
        .light-theme .contact-form input[type="email"],
        .light-theme .contact-form select,
        .light-theme .contact-form textarea {
            background-color: #cfcfcf;
        }

        .contact-form input:focus,
        .contact-form select:focus,
        .contact-form textarea:focus {
            border-color: var(--color-primary);
            outline: none;
        }

        .contact-form select {
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%239CA3AF'%3e%3cpath d='M9.293 12.95l.707.707L15.657 8l-1.414-1.414L10 10.828 5.757 6.586 4.343 8z'/%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 10px top 50%;
            background-size: 0.8rem auto;
        }

        .light-theme .contact-form select {
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%234B5563'%3e%3cpath d='M9.293 12.95l.707.707L15.657 8l-1.414-1.414L10 10.828 5.757 6.586 4.343 8z'/%3e%3c/svg%3e");
        }

        .btn-submit {
            width: 100%;
            margin-top: 10px;
        }

        /* ======================================= */
        /* FOOTER */
        /* ======================================= */
        .main-footer {
            padding-top: 60px;
            padding-bottom: 30px;
            background-color: var(--color-bg-dark);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            border-top: 1px solid var(--color-secondary);
            padding-top: 40px;
        }

        .footer-info h4 {
            color: var(--color-primary);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .contact-detail {
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        .footer-legal h4 {
            color: var(--color-primary);
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        .footer-legal p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid var(--color-secondary);
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }

        /* ======================================= */
        /* MODALES - ESTILOS */
        /* ======================================= */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            backdrop-filter: blur(5px);
        }

        .modal-overlay.active {
            display: flex;
        }

        .modal-container {
            background-color: var(--color-bg-dark);
            border-radius: 12px;
            width: 90%;
            max-width: 80%;
            max-height: 80vh;
            overflow: hidden;
            text-align: justify;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            border: 1px solid var(--color-secondary);
            animation: modalSlideIn 0.3s ease-out;
        }

        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translateY(-50px) scale(0.9);
            }

            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .modal-header {
            background-color: var(--color-secondary);
            padding: 25px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(156, 163, 175, 0.2);
        }

        .modal-header h3 {
            color: var(--color-primary);
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0;
        }

        .modal-close {
            background: none;
            border: none;
            color: var(--color-text-light);
            font-size: 1.3rem;
            cursor: pointer;
            transition: color 0.3s ease;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .modal-close:hover {
            color: var(--color-primary);
            background-color: rgba(255, 255, 255, 0.1);
        }

        .modal-body {
            padding: 30px;
            color: var(--color-text-light);
            line-height: 1.7;
            max-height: calc(80vh - 100px);
            overflow-y: auto;
        }

        .modal-body h4 {
            color: var(--color-primary);
            margin: 25px 0 15px 0;
            font-size: 1.2rem;
        }

        .modal-body h4:first-child {
            margin-top: 0;
        }

        .modal-body p {
            margin-bottom: 15px;
        }

        .modal-body ul {
            margin: 15px 0;
            padding-left: 20px;
        }

        .modal-body li {
            margin-bottom: 8px;
        }

        /* ======================================= */
        /* ALERTAS PERSONALIZADAS */
        /* ======================================= */
        .custom-alert {
            position: fixed;
            top: 20px;
            right: 20px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(76, 175, 80, 0.3);
            display: none;
            z-index: 3000;
            max-width: 400px;
            animation: alertSlideIn 0.5s ease-out;
            backdrop-filter: blur(10px);
        }

        .light-theme .custom-alert {
            background: linear-gradient(135deg, #ffffff, #f0f0f0);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        @keyframes alertSlideIn {
            from {
                opacity: 0;
                transform: translateX(100%);
            }

            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .custom-alert.success {
            border-color: rgba(76, 175, 80, 0.5);
        }

        .custom-alert.error {
            border-color: rgba(244, 67, 54, 0.5);
        }

        .alert-content {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .alert-icon {
            font-size: 2rem;
            flex-shrink: 0;
        }

        .custom-alert.success .alert-icon {
            color: #4CAF50;
        }

        .custom-alert.error .alert-icon {
            color: #f44336;
        }

        .alert-text {
            flex: 1;
        }

        .alert-text h3 {
            margin: 0 0 8px 0;
            font-size: 1.2rem;
            color: var(--color-text-light);
        }

        .alert-text p {
            margin: 0;
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .alert-close {
            background: none;
            border: none;
            color: var(--color-text-muted);
            cursor: pointer;
            font-size: 1rem;
            transition: color 0.3s ease;
            align-self: flex-start;
            padding: 5px;
        }

        .alert-close:hover {
            color: var(--color-text-light);
        }

        /* ======================================= */
        /* CHECKBOX GROUP EN FORMULARIO */
        /* ======================================= */
        .checkbox-group {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 20px;
        }

        .checkbox-group input[type="checkbox"] {
            margin-top: 3px;
            flex-shrink: 0;
        }

        .checkbox-group label {
            font-size: 0.9rem;
            line-height: 1.4;
            color: var(--color-text-muted);
        }

        .modal-link {
            color: var(--color-primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .modal-link:hover {
            color: var(--color-text-light);
            text-decoration: underline;
        }

        /* ======================================= */
        /* RESPONSIVE DESIGN - MEJORADO PARA MÓVIL */
        /* ======================================= */
        @media (max-width: 1024px) {
            .container {
                padding: 0 30px;
            }

            .hero-title {
                font-size: 3.5rem;
            }

            .section-title {
                font-size: 2.5rem;
            }

            .cta-title {
                font-size: 2.5rem;
            }

            .main-nav {
                display: none;
            }

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

            .header-content {
                justify-content: space-between;
            }

            .btn-cta {
                display: none !important;
            }

            .contact-grid {
                grid-template-columns: 1fr;
                gap: 50px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            /* Diferenciadores en tablet */
            .diff-card-content {
                flex-direction: column;
            }

            .diff-card-image {
                width: 100%;
                height: 250px;
            }

            /* grid: 2 columnas en tablets */
            .differentiators-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .diff-card-info {
                padding: 30px;
            }

            /* Services accordion en tablet */
            .slide.active .slide-content {
                width: 85%;
            }
        }

        @media (max-width: 768px) {
            :root {
                --padding-desktop: 80px;
                --h1-desktop: 3rem;
                --h2-desktop: 2.5rem;
            }

            .container {
                padding: 0 20px;
            }

            /* HERO SECTION - MEJORADO PARA MÓVIL */
            .hero-section {
                height: 80vh;
                min-height: 600px;
                background-position: center 30%;
            }

            .hero-content {
                padding-top: 100px;
                text-align: center;
            }

            .hero-title {
                font-size: 2.5rem;
                margin-bottom: 20px;
            }

            .hero-subtitle {
                font-size: 1.1rem;
                margin-bottom: 30px;
            }

            .hero-stats {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }

            .stat-number,
            .stat-symbol {
                font-size: 2.8rem;
            }

            .stat-text {
                font-size: 1.1rem;
                text-align: center;
            }

            .mission-vision-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .values-grid {
                grid-template-columns: 1fr;
            }

            /* SERVICES SECTION - MEJORADO PARA MÓVIL */
            .accordion-slider {
                flex-direction: column;
            }

            .slide {
                flex: 1;
                min-height: 100px;
            }

            .slide.active {
                flex: 2;
                min-height: 500px;
            }

            .slide-content {
                top: 2rem;
                left: 20px;
                right: 20px;
                bottom: 20px;
            }

            .slide.active .slide-content {
                width: 90%;
                margin: 0 auto;
            }

            .slide-number {
                font-size: 28px;
                bottom: 20px;
            }

            .car-name {
                font-size: 24px;
            }

            .car-subtitle {
                font-size: 14px;
            }

            .add-button {
                bottom: 20px;
                right: 20px;
                min-width: 80px;
                height: 35px;
            }

            .slide.active .add-button {
                min-width: 35px;
                width: 35px;
                height: 35px;
            }

            .slide.active .add-button::before {
                font-size: 1.5rem;
            }

            .navigation-arrows {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }

            .nav-prev {
                left: 10px;
            }

            .nav-next {
                right: 10px;
            }

            .app-card-content {
                flex-direction: column;
            }

            .app-card-image {
                flex: none;
                width: 100%;
                height: 200px;
            }

            .app-card-info {
                padding: 20px 25px;
            }

            .app-card-info h2 {
                font-size: 1.3em;
            }

            /* Diferenciadores en móvil */
            .diff-card-image {
                height: 200px;
            }

            .diff-card-info {
                padding: 20px;
            }

            .diff-card-info h3 {
                font-size: 1.4rem;
            }

            /* grid: 1 columna en móviles */
            .differentiators-grid {
                grid-template-columns: 1fr;
            }

            /* Services accordion en móvil */
            .accordion-header {
                padding: 12px 15px;
                font-size: 0.9rem;
            }

            .accordion-body {
                padding: 15px;
            }

            .accordion-body p {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 480px) {
            :root {
                --padding-desktop: 60px;
                --h1-desktop: 2.2rem;
                --h2-desktop: 1.8rem;
            }

            .container {
                padding: 0 15px;
            }

            .hero-section {
                height: 70vh;
                min-height: 500px;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .stat-number {
                font-size: 2.2rem;
            }

            .cta-title {
                font-size: 1.8rem;
            }

            .contact-form {
                padding: 25px 20px;
            }

            .btn {
                padding: 12px 25px;
                font-size: 0.8rem;
            }

            /* Diferenciadores en móvil pequeño */
            .diff-card-image {
                height: 180px;
            }

            .diff-card-info {
                padding: 15px;
            }

            .diff-card-info h3 {
                font-size: 1.2rem;
            }

            .diff-card-info p {
                font-size: 0.9rem;
            }

            /* Services accordion en móvil pequeño */
            .services-accordion {
                max-height: none;
            }

            .accordion-header {
                font-size: 0.85rem;
                padding: 10px 12px;
            }

            .accordion-body p {
                font-size: 0.85rem;
            }

            .slide.active {
                min-height: 600px;
            }
        }

        /* ======================================= */
        /* RESPONSIVE PARA MODALES Y ALERTAS */
        /* ======================================= */
        @media (max-width: 768px) {
            .modal-container {
                width: 95%;
                max-width: 95%;
                margin: 20px;
            }

            .modal-header {
                padding: 20px;
            }

            .modal-body {
                padding: 20px;
            }

            .custom-alert {
                right: 10px;
                left: 10px;
                max-width: none;
            }
        }