        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-dark: #1e3a8a;
            --primary: #3b82f6;
            --primary-light: #60a5fa;
            --accent: #6366f1;
            --accent-light: #818cf8;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --white: #ffffff;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Header */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 1rem 2rem;
            transition: all 0.3s ease;
            background: transparent;
        }

        .header.scrolled {
            background: var(--white);
            box-shadow: var(--shadow);
            padding: 0.5rem 2rem;
        }

        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .logo img {
            height: 50px;
            width: auto;
            transition: all 0.3s ease;
            filter: brightness(0) invert(1);
        }
        .logof {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .logof img {
            height: 50px;
            width: auto;
            transition: all 0.3s ease;
           
        }

        .header.scrolled .logo img {
            height: 45px;
            filter: none;
        }

        .nav {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-link {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .header.scrolled .nav-link {
            color: var(--text-dark);
        }

        .nav-link:hover {
            color: var(--accent-light);
        }

        .header.scrolled .nav-link:hover {
            color: var(--accent);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-light);
            transition: width 0.3s ease;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 5px;
            z-index: 1001;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--white);
            transition: all 0.3s ease;
            border-radius: 2px;
        }

        .header.scrolled .hamburger span {
            background: var(--primary-dark);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent) 100%);
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 2rem;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-nav.active {
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav .nav-link {
            font-size: 1.5rem;
            color: var(--white);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            /* 
            justify-content: center;
            text-align: center; */
            position: relative;
            overflow: hidden;
            padding: 6rem 2rem 4rem;
        }

        .hero-background {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
           /* z-index: -2;   */
        }

        .hero-background img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.85) 0%, rgba(45, 58, 140, 0.8) 25%, rgba(99, 102, 241, 0.75) 50%, rgba(124, 58, 237, 0.8) 75%, rgba(30, 58, 138, 0.85) 100%);
            background-size: 400% 400%;
            animation: gradientShift 15s ease infinite;
            z-index: -1;
        }

        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 1;
            background: rgba(0, 0, 0, 0.5);
        }

        .hero-content {
            max-width: 900px;
            z-index: 1;
            padding-left: 100px;
        }

        .hero-title {
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 800;
            color: var(--white);
            margin-bottom: 1.5rem;
            line-height: 1.1;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
        }

        .hero-title span {
            display: block;
            background: linear-gradient(90deg, var(--white) 0%, var(--accent-light) 100%);
            -webkit-background-clip: text;
           
            background-clip: text;
        }

        .hero-subtitle {
            font-size: clamp(1.1rem, 2.5vw, 1.5rem);
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 2.5rem;
            font-weight: 400;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2.5rem;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: rgb(250 204 21 / var(--tw-bg-opacity, 1));
            color: rgb(17 24 39 / var(--tw-text-opacity, 1));
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
            background: var(--gray-100);
        }

        .btn-secondary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-secondary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* Sections */
        .section {
            padding: 5rem 2rem;
        }

        .section-gray {
            background: var(--gray-50);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 700;
            color: rgb(17 24 39 / var(--tw-text-opacity, 1));
            margin-bottom: 1rem;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: rgb(202 138 4 / var(--tw-text-opacity, 1));
            max-width: 700px;
            margin: 0 auto;
        }

        /* What is CE360 */
        .what-is-content {
            text-align: center;
            margin-bottom: 3rem;
        }

        .what-is-description {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 900px;
            margin: 0 auto 3rem;
            line-height: 1.8;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 16px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid var(--gray-200);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: var(--accent);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background: rgb(250 204 21 / var(--tw-bg-opacity, 1));
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2rem;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 0.5rem;
        }

        /* Characteristics */
        .characteristic-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            margin-bottom: 5rem;
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .characteristic-block.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .characteristic-block:nth-child(even) {
            direction: rtl;
        }

        .characteristic-block:nth-child(even) > * {
            direction: ltr;
        }

        .characteristic-block:last-child {
            margin-bottom: 0;
        }

        .characteristic-content h3 {
            font-size: 1.75rem;
            font-weight: 700;
            color: rgb(17 24 39 / var(--tw-text-opacity, 1));
            margin-bottom: 1rem;
        }

        .characteristic-content p {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        .characteristic-image {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .characteristic-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            display: block;
        }

        .characteristic-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(59, 130, 246, 0.1) 100%);
            pointer-events: none;
        }

        /* Modules */
        .modules-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .module-card {
            background: var(--white);
            border-radius: 16px;
            padding: 2rem;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            border: 1px solid var(--gray-200);
            position: relative;
            overflow: hidden;
        }

        .module-card:hover {


           /*   background: linear-gradient(135deg, #0d1f3c 0%, #1a365d 100%);*/

            background:  #ffd861;
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 40px rgba(10, 22, 40, 0.25);
        }
/* Textos en hover - blancos */
        .module-card:hover h3 { color: rgb(17 24 39 / var(--tw-text-opacity, 1)); }
        .module-card:hover p { color: rgb(17 24 39 / var(--tw-text-opacity, 1)); }
        .module-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: rgb(250 204 21 / var(--tw-bg-opacity, 1));
        }

        .module-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--gray-200);
            position: relative;
            left: 16rem;
            top: 2rem;
        }

        .module-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: rgb(17 24 39 / var(--tw-text-opacity, 1));
            margin-bottom: 0.75rem;
            padding-right: 3rem;
        }

        .module-card p {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Clients */
        .clients-grid {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 4rem;
            flex-wrap: wrap;
        }

        .client-logo {
       
        }

        .client-logo:hover {
            transform: scale(1.05);
            box-shadow: var(--shadow-lg);
        }

        .client-logo img {
            height: 80px;
            width: auto;
            object-fit: contain;
            filter: grayscale(10);
            transition: filter 0.3s ease;

        }

        /* FAQ */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            margin-bottom: 1rem;
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--gray-200);
        }

        .faq-question {
            width: 100%;
            padding: 1.5rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: rgb(31 41 55 / var(--tw-text-opacity, 1));
            transition: all 0.3s ease;
            font-family: inherit;
        }

        .faq-question:hover {
            background: var(--gray-50);
        }

        .faq-icon {
            font-size: 1.5rem;
            color: var(--accent);
            transition: transform 0.3s ease;
            font-weight: 300;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 2rem 1.5rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Contact */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .contact-form {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--text-dark);
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--gray-200);
            border-radius: 10px;
            font-size: 1rem;
            font-family: inherit;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
        }

        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }

        .contact-info {
            padding: 2rem;
        }

        .contact-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: vrgb(17 24 39 / var(--tw-text-opacity, 1));
            margin-bottom: 1.5rem;
        }

        .whatsapp-buttons {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .whatsapp-btn {
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.5rem;
            background: #25D366;
            color: var(--white);
            text-decoration: none;
            border-radius: 12px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }

        .whatsapp-btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            background: #20bd5a;
        }

        .whatsapp-icon {
            width: 24px;
            height: 24px;
        }

        /* Footer */
        .footer {
            background: var(--primary-dark);
            color: var(--white);
            padding: 2rem;
            text-align: center;
        }

        .footer p {
            opacity: 0.8;
            font-size: 0.9rem;
        }

        /* Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Responsive */
        @media (max-width: 968px) {
            .hamburger {
                display: flex;
            }

            .nav {
                display: none;
            }

            .mobile-nav {
                display: flex;
            }

            .characteristic-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .characteristic-block:nth-child(even) {
                direction: ltr;
            }

            .contact-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 3rem 1.5rem;
            }

            .hero {
                padding: 5rem 1.5rem 3rem;
            }

            .header {
                padding: 1rem 1.5rem;
            }

            .logo img {
                height: 40px;
            }

            .header.scrolled .logo img {
                height: 35px;
            }

            .modules-grid {
                grid-template-columns: 1fr;
            }

            .clients-grid {
                gap: 2rem;
            }

            .client-logo {
                padding: 1.5rem 2rem;
            }

            .client-logo img {
                height: 60px;
            }
        }

        /* Scroll to top button */
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-lg);
            z-index: 100;
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
        }
        .text-yellow-400 {
            --tw-text-opacity: 1;
            color: rgb(250 204 21 / var(--tw-text-opacity, 1));
        }

        .card1:hover {
          p {
            transition: all 0.3s ease-out;
            color: rgba(255, 255, 255, 0.8);
          }
          h3 {
            transition: all 0.3s ease-out;
            color: #ffffff;
          }
        }
               .footer {
            background: #ffffff;
            padding: 3rem 2rem 2rem;
            border-top: 1px solid #e5e7eb;
        }
        .footer-container {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }
        /* Columnas del Footer */
        .footer-column {
            display: flex;
            flex-direction: column;
        }
        .footer-column h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #111827;
            margin-bottom: 1.25rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .footer-column ul li a {
            font-size: 0.9rem;
            color: #6b7280;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-column ul li a:hover {
            color: #374151;
        }
        /* Enlaces de Legal en Teal */
        .footer-column.legal ul li a {
            color: #0d9488;
        }
        .footer-column.legal ul li a:hover {
            color: #0f766e;
        }
        /* Columna del Logo */
        .footer-logo-column {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.1rem;
            margin-bottom: 1rem;
        }
        .footer-logo-text {
            font-size: 1.75rem;
            font-weight: 700;
            color: #111827;
            letter-spacing: -0.5px;
        }
        /* Círculo SVG Multicolor */
        .logo-circle {
            width: 28px;
            height: 28px;
            margin-left: -2px;
        }
        .footer-copyright {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.5;
        }
        /* Responsive */
        @media (max-width: 900px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 2.5rem 2rem;
            }
            .footer-logo-column {
                grid-column: span 2;
                align-items: center;
                text-align: center;
                margin-top: 1rem;
                padding-top: 1.5rem;
                border-top: 1px solid #e5e7eb;
            }
        }
        @media (max-width: 500px) {
            .footer-container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer-column {
                align-items: center;
            }
            .footer-logo-column {
                grid-column: span 1;
            }
        }