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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            color: #000;
            line-height: 1.6;
        }

        /* Header */
        header {
            border-bottom: 1px solid #e5e5e5;
            background: #fff;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 300;
            letter-spacing: 2px;
        }

        .logo-img {
            width: 150px;
            height: auto;
        }

        nav a {
            margin-left: 2rem;
            text-decoration: none;
            color: #000;
            font-size: 0.9rem;
            transition: opacity 0.3s;
        }

        nav a:hover {
            opacity: 0.6;
        }

        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }

        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid #e5e5e5;
            flex-direction: column;
            z-index: 99;
        }

        .mobile-nav.active {
            display: flex;
        }

        .mobile-nav a {
            padding: 1rem 2rem;
            text-decoration: none;
            color: #000;
            font-size: 0.9rem;
            border-bottom: 1px solid #f0f0f0;
            transition: background 0.3s;
        }

        .mobile-nav a:hover {
            background: #f9f9f9;
        }

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

        .background-video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(59, 130, 246, 0.15);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 2rem;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 300;
            margin-bottom: 1rem;
            line-height: 1.2;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: 1.125rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
        }

        /* Botón CTA */
        .cta-button {
            display: inline-block;
            background: #000;
            color: #fff;
            margin-top: 5%;
            padding: 1rem 3rem;
            text-decoration: none;
            font-size: 0.9rem;
            letter-spacing: 1px;
            transition: background 0.3s, transform 0.2s;
            border-radius: 4px;
        }

        .cta-button:hover {
            background: #333;
            transform: scale(1.05);
        }

        /* Image Grid */
        .image-grid {
            max-width: 1200px;
            margin: 3rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }

        .image-item {
            position: relative;
            padding-bottom: 100%;
            overflow: hidden;
            background: #f5f5f5;
        }

        .image-item img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* About Section */
        .about {
            background: #f9f9f9;
            padding: 5rem 2rem;
        }

        .about-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-image {
            width: 100%;
            height: 400px;
            background: #e5e5e5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
        }

        .about-content h2 {
            font-size: 2rem;
            font-weight: 300;
            margin-bottom: 1.5rem;
        }

        .about-content p {
            color: #666;
            margin-bottom: 1rem;
        }

        /* Services */
        .services {
            padding: 5rem 2rem;
        }

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

        .services h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 300;
            margin-bottom: 3rem;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .service-card {
            background: #fff;
            padding: 2rem;
            border: 1px solid #e5e5e5;
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background: #000;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 400;
            margin-bottom: 1rem;
        }

        .service-card p {
            color: #666;
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .service-card ul {
            list-style: none;
            color: #666;
            font-size: 0.9rem;
        }

        .service-card li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f0f0f0;
        }

        .service-card li:before {
            content: "✓ ";
            margin-right: 0.5rem;
        }

        /* Process Section */
        .process {
            background: #f9f9f9;
            padding: 5rem 2rem;
        }

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

        .process h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 300;
            margin-bottom: 3rem;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .step {
            text-align: center;
            padding: 2rem;
            background: #fff;
            border: 1px solid #e5e5e5;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background: #000;
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 1rem;
        }

        .step h3 {
            font-size: 1.125rem;
            font-weight: 400;
            margin-bottom: 0.5rem;
        }

        .step p {
            color: #666;
            font-size: 0.9rem;
        }

        /* Calculator */
        .calculator {
            max-width: 800px;
            margin: 0 auto;
            padding: 5rem 2rem;
        }

        .calculator h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 300;
            margin-bottom: 3rem;
        }

        .calc-card {
            background: #fff;
            border: 1px solid #e5e5e5;
            padding: 3rem;
        }

        .calc-row {
            margin-bottom: 2rem;
        }

        .calc-row label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .calc-row input,
        .calc-row select {
            width: 100%;
            padding: 1rem;
            border: 1px solid #e5e5e5;
            font-size: 1rem;
        }

        .result {
            background: #000;
            color: #fff;
            padding: 2rem;
            text-align: center;
            margin-top: 2rem;
        }

        .result .amount {
            font-size: 2.5rem;
            font-weight: 300;
        }

        .result .label {
            font-size: 0.8rem;
            letter-spacing: 2px;
            opacity: 0.8;
        }

        /* Features */
        .features {
            background: #f9f9f9;
            padding: 5rem 2rem;
        }

        .features-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }

        .feature {
            text-align: center;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 1rem;
            border: 2px solid #000;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .feature h3 {
            font-size: 1.125rem;
            font-weight: 400;
            margin-bottom: 0.5rem;
        }

        .feature p {
            color: #666;
            font-size: 0.9rem;
        }

        /* Testimonials */
        .testimonials {
            padding: 5rem 2rem;
        }

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

        .testimonials h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 300;
            margin-bottom: 3rem;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .testimonial {
            background: #f9f9f9;
            padding: 2rem;
            border-left: 3px solid #000;
        }

        .testimonial-text {
            color: #333;
            font-size: 0.95rem;
            margin-bottom: 1rem;
            font-style: italic;
        }

        .testimonial-author {
            font-weight: 500;
            color: #000;
        }

        .testimonial-role {
            font-size: 0.85rem;
            color: #666;
        }

        /* Loan Table */
        .loan-table {
            max-width: 1000px;
            margin: 0 auto;
            padding: 5rem 2rem;
        }

        .loan-table h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 300;
            margin-bottom: 3rem;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            border: 1px solid #e5e5e5;
        }

        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid #e5e5e5;
        }

        th {
            background: #f9f9f9;
            font-weight: 400;
            text-transform: uppercase;
            font-size: 0.85rem;
            letter-spacing: 1px;
        }

        td {
            font-size: 0.95rem;
        }

        /* Requirements */
        .requirements {
            background: #f9f9f9;
            padding: 5rem 2rem;
        }

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

        .requirements h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 300;
            margin-bottom: 3rem;
        }

        .requirements-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }

        .requirement-box {
            background: #fff;
            padding: 2rem;
            border: 1px solid #e5e5e5;
        }

        .requirement-box h3 {
            font-size: 1.25rem;
            font-weight: 400;
            margin-bottom: 1.5rem;
        }

        .requirement-box ul {
            list-style: none;
        }

        .requirement-box li {
            padding: 0.75rem 0;
            border-bottom: 1px solid #f0f0f0;
            color: #666;
        }

        .requirement-box li:before {
            content: "→ ";
            margin-right: 0.5rem;
            color: #000;
        }

        /* CTA Section */
        .cta-section {
            background: #000;
            color: #fff;
            padding: 5rem 2rem;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.5rem;
            font-weight: 300;
            margin-bottom: 1rem;
        }

        .cta-section p {
            font-size: 1.125rem;
            opacity: 0.8;
            margin-bottom: 2rem;
        }

        .cta-button-white {
            display: inline-block;
            background: #fff;
            color: #000;
            padding: 1rem 3rem;
            text-decoration: none;
            font-size: 0.9rem;
            letter-spacing: 1px;
            transition: opacity 0.3s;
            border-radius: 4px;
        }

        .cta-button-white:hover {
            opacity: 0.8;
        }

        /* Footer */
        footer {
            background: #f9f9f9;
            padding: 3rem 2rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .footer-section h4 {
            font-size: 1rem;
            font-weight: 400;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .footer-section p,
        .footer-section a {
            color: #666;
            font-size: 0.9rem;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
        }

        .footer-section a:hover {
            color: #000;
        }

        .footer-bottom {
            max-width: 1200px;
            margin: 2rem auto 0;
            padding-top: 2rem;
            border-top: 1px solid #e5e5e5;
            text-align: center;
            color: #666;
            font-size: 0.85rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .header-content {
                padding: 1rem;
            }

            .logo-img {
                width: 100px;
            }

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

            nav {
                display: none;
            }

            .hero {
                height: 70vh;
            }

            .hero h1 {
                font-size: 1.75rem;
            }

            .hero p {
                font-size: 1rem;
                padding: 0 1rem;
            }

            .cta-button {
                margin-top: 10%;
                padding: 0.875rem 2rem;
                font-size: 0.85rem;
            }

            .calc-card {
                padding: 2rem 1.5rem;
            }

            .about-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .about-image {
                height: 300px;
            }

            .image-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.5rem;
                padding: 0 1rem;
                margin: 2rem auto;
            }

            .services-grid,
            .process-steps,
            .features-container,
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

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

            .cta-section h2 {
                font-size: 1.75rem;
            }

            .cta-section p {
                font-size: 1rem;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            table {
                font-size: 0.85rem;
            }

            th, td {
                padding: 0.75rem 0.5rem;
            }

            .result .amount {
                font-size: 2rem;
            }

            .services h2,
            .process h2,
            .testimonials h2,
            .loan-table h2,
            .requirements h2,
            .calculator h2 {
                font-size: 1.5rem;
            }

            .about-content h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.5rem;
            }

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

            .cta-button,
            .cta-button-white {
                padding: 0.75rem 1.5rem;
                font-size: 0.8rem;
            }

            .logo-img {
                width: 80px;
            }
        }