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

        :root {
            --primary-color: #1a365d;
            --secondary-color: #2d5a87;
            --accent-color: #4299e1;
            --text-dark: #1a202c;
            --text-light: #4a5568;
            --background-light: #f7fafc;
            --background-white: #ffffff;
            --border-light: #e2e8f0;
            --success-color: #38a169;
            --warning-color: #d69e2e;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--background-white);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary-color);
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-light);
            font-weight: 500;
            font-size: 0.9rem;
            transition: color 0.3s ease;
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: width 0.3s ease;
        }

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

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, 
                rgba(26, 54, 93, 0.05) 0%, 
                rgba(45, 90, 135, 0.08) 50%, 
                rgba(66, 153, 225, 0.05) 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: 
                radial-gradient(circle at 20% 80%, rgba(26, 54, 93, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(66, 153, 225, 0.1) 0%, transparent 50%);
            animation: float 20s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: scale(1) rotate(0deg); }
            50% { transform: scale(1.1) rotate(2deg); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
            padding: 120px 0 80px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--accent-color);
            color: white;
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 2rem;
            animation: slideDown 0.8s ease;
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .hero h1 {
            font-family: 'Playfair Display', serif;
            font-size: clamp(3rem, 6vw, 4.5rem);
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            animation: slideUp 0.8s ease 0.2s both;
        }

        @keyframes slideUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--text-light);
            margin-bottom: 3rem;
            line-height: 1.7;
            animation: slideUp 0.8s ease 0.4s both;
        }

        .hero-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            background: var(--primary-color);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            animation: slideUp 0.8s ease 0.6s both;
            box-shadow: 0 4px 15px rgba(26, 54, 93, 0.2);
        }

        .hero-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(26, 54, 93, 0.3);
            background: var(--secondary-color);
        }

        /* Section Styling */
        .section {
            padding: 6rem 0;
        }

        .section-alt {
            background: var(--background-light);
        }

        .section-header {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 4rem;
        }

        .section-title {
            font-family: 'Playfair Display', serif;
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Presentation Section */
        .presentation-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .presentation-text {
            display: grid;
            gap: 2rem;
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-dark);
        }

        .presentation-text p {
            position: relative;
            padding-left: 2rem;
        }

        .presentation-text p::before {
            content: '"';
            position: absolute;
            left: 0;
            top: -0.5rem;
            font-size: 3rem;
            color: var(--accent-color);
            font-family: 'Playfair Display', serif;
            line-height: 1;
        }

        .presentation-text p:last-child::before {
            content: '';
        }

        /* Tools Section */
        .tools-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr); /* 2 columnas */
            gap: 2rem;
            margin-top: 3rem;
        }

        .tool-item {
            background: var(--background-white);
            padding: 2.5rem 2rem;
            border-radius: 20px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .tool-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: linear-gradient(to bottom, var(--accent-color), var(--primary-color));
            transition: height 0.4s ease;
        }

        .tool-item:hover::before {
            height: 100%;
        }

        .tool-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(26, 54, 93, 0.1);
        }

        .tool-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
            color: white;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 1.5rem;
        }

        .tool-item h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .tool-item p {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Quote Section */
        .quote-section {
            background: var(--primary-color);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .quote-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(66, 153, 225, 0.2) 0%, transparent 70%);
            animation: pulse 4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1) opacity(0.3); }
            50% { transform: scale(1.2) opacity(0.1); }
        }

        .quote-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .quote-text {
            font-family: 'Playfair Display', serif;
            font-size: clamp(1.5rem, 4vw, 2rem);
            line-height: 1.6;
            font-style: italic;
            margin-bottom: 2rem;
        }

        .quote-author {
            font-size: 1.3rem;
            opacity: 0.9;
            font-weight: 500;
        }

        /* Info Section */
        .info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .info-card {
            background: var(--background-white);
            border-radius: 20px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .info-card:hover {
            box-shadow: 0 15px 35px rgba(26, 54, 93, 0.1);
        }

        .info-header {
            background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
            color: white;
            padding: 1.5rem 2rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .info-header h3 {
            font-size: 1.2rem;
            font-weight: 600;
        }

        .info-content {
            padding: 2rem;
        }

        .info-list {
            list-style: none;
            display: grid;
            gap: 1rem;
        }

        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-light);
        }

        .info-list li:last-child {
            border-bottom: none;
        }

        .info-list li::before {
            content: '✓';
            color: var(--success-color);
            font-weight: bold;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .warning-card .info-header {
            background: linear-gradient(135deg, #ed8936, var(--warning-color));
        }

        .warning-card .info-list li::before {
            content: '!';
            color: var(--warning-color);
            background: rgba(214, 158, 46, 0.1);
            border-radius: 50%;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }

        /* Contact Section */
        .contact-container {
            max-width: 700px;
            margin: 0 auto;
        }

        .contact-form {
            background: var(--background-white);
            border-radius: 20px;
            border: 1px solid var(--border-light);
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(26, 54, 93, 0.08);
        }

        .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .form-group {
            position: relative;
        }

        .form-group label {
            position: absolute;
            left: 1rem;
            top: 1rem;
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            pointer-events: none;
            transition: all 0.3s ease;
            background: var(--background-white);
            padding: 0 0.5rem;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 1rem 1.5rem;
            border: 2px solid var(--border-light);
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            background: var(--background-white);
            transition: all 0.3s ease;
            appearance: none; /* Remover el estilo por defecto del select */
            cursor: pointer;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
        }

        .form-group input:focus + label,
        .form-group textarea:focus + label,
        .form-group select:focus + label,
        .form-group input:not(:placeholder-shown) + label,
        .form-group textarea:not(:placeholder-shown) + label,
        .form-group select:not([value=""]) + label,
        .form-group select.has-value + label {
            top: -0.5rem;
            left: 0.75rem;
            font-size: 0.75rem;
            color: var(--accent-color);
        }

        /* Estilos específicos para el select */
        .form-group select {
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234a5568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 1rem center;
            background-size: 1rem;
            padding-right: 3rem; /* Espacio para la flecha */
        }

        .form-group select option {
            padding: 0.5rem;
            background: var(--background-white);
            color: var(--text-dark);
        }

        .form-group select option:first-child {
            color: var(--text-light);
        }

        .submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 1.25rem 2rem;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(26, 54, 93, 0.2);
        }

        /* Footer */
        .footer {
            background: var(--text-dark);
            color: white;
            padding: 4rem 0 2rem;
        }

        .footer-content {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .footer-logo {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .footer-tagline {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            color: #a0aec0;
            line-height: 2;
        }

        .footer-contact {
            margin-bottom: 2rem;
        }

        .footer-email {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 500;
            font-size: 1.1rem;
        }

        .footer-email:hover {
            color: white;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
            color: #718096;
        }

        .footer-copyright {
            text-align: center;
            margin-top: 1.5rem;
            font-size: 1rem;
            color: #a0aec0;
        }

        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            cursor: pointer;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .nav-links {
                display: none;
            }

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

            .hero-content {
                padding: 100px 0 60px;
            }

            .section {
                padding: 4rem 0;
            }

            .tools-container {
                grid-template-columns: 1fr; /* 1 columna en móvil */
                gap: 1.5rem;
            }

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

            .form-row {
                grid-template-columns: 1fr;
            }

            .contact-form {
                padding: 2rem;
            }

            .presentation-text p {
                padding-left: 1.5rem;
            }

            .presentation-text p::before {
                font-size: 2rem;
                top: -0.25rem;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .hero-content {
                padding: 80px 0 40px;
            }

            .contact-form {
                padding: 1.5rem;
            }

            .tool-item {
                padding: 2rem 1.5rem;
            }

            .info-content {
                padding: 1.5rem;
            }
        }

        /* Scroll animations */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }

        .stagger-1 { transition-delay: 0.1s; }
        .stagger-2 { transition-delay: 0.2s; }
        .stagger-3 { transition-delay: 0.3s; }
        .stagger-4 { transition-delay: 0.4s; }