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

        :root {
            --bg: #ffffff;
            --bg-secondary: #f7f7f7;
            --text: #000000;
            --text-secondary: #666666;
            --text-tertiary: #999999;
            --border: #e5e5e5;
            --accent: #0066ff;
        }

        @media (prefers-color-scheme: dark) {
            :root {
                --bg: #0a0a0a;
                --bg-secondary: #1a1a1a;
                --text: #ffffff;
                --text-secondary: #b0b0b0;
                --text-tertiary: #707070;
                --border: #2a2a2a;
                --accent: #6ba3ff;
            }
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
        }

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

        @media (prefers-color-scheme: dark) {
            nav {
                background-color: rgba(10, 10, 10, 0.95);
            }
        }

        nav .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .nav-brand {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            text-decoration: none;
            letter-spacing: -0.5px;
        }

        .nav-links {
            display: flex;
            gap: 40px;
            align-items: center;
            list-style: none;
        }

        .nav-links a {
            color: var(--text);
            text-decoration: none;
            font-size: 15px;
            transition: color 0.2s;
        }

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

        .lang-toggle {
            width: 32px;
            height: 32px;
            border: none;
            background: transparent;
            color: var(--text-secondary);
            cursor: pointer;
            font-size: 13px;
            font-weight: 500;
            transition: color 0.2s;
            border-radius: 4px;
        }

        .lang-toggle:hover {
            color: var(--text);
            background: var(--bg-secondary);
        }

        /* Main content */
        main {
            margin-top: 70px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 40px;
        }

        /* Hero section */
        .hero {
            padding: 100px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: calc(100vh - 70px);
        }

        .hero h1 {
            font-size: 56px;
            font-weight: 600;
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: -1px;
            max-width: 700px;
        }

        .hero p {
            font-size: 20px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 600px;
            margin-bottom: 40px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            padding: 12px 28px;
            border-radius: 4px;
            border: none;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.2s;
        }

        .btn-primary {
            background-color: var(--accent);
            color: white;
        }

        .btn-primary:hover {
            opacity: 0.9;
        }

        .btn-secondary {
            border: 1px solid var(--border);
            background-color: transparent;
            color: var(--text);
        }

        .btn-secondary:hover {
            background-color: var(--bg-secondary);
        }

        /* Sections */
        .section {
            padding: 80px 0;
            border-top: 1px solid var(--border);
        }

        .section-title {
            font-size: 42px;
            font-weight: 600;
            margin-bottom: 60px;
            letter-spacing: -0.5px;
            max-width: 700px;
        }

        /* Grid layout */
        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .grid-2 {
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
        }

        .grid-3 {
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        }

        /* Card */
        .card {
            padding: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background-color: var(--bg-secondary);
            transition: all 0.2s;
        }

        .card:hover {
            border-color: var(--accent);
        }

        .card-title {
            font-size: 14px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .card-value {
            font-size: 18px;
            color: var(--text);
            font-weight: 500;
        }

        .card-mono {
            font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
            color: var(--accent);
            font-size: 16px;
            letter-spacing: 0.5px;
        }

        /* Services grid */
        .service-card {
            padding: 48px 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background-color: var(--bg-secondary);
            text-decoration: none;
            color: var(--text);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            transition: all 0.2s;
        }

        .service-card:hover {
            border-color: var(--accent);
            background-color: var(--bg);
            transform: translateY(-4px);
        }

        .service-icon {
            font-size: 48px;
            margin-bottom: 24px;
        }

        .service-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .service-desc {
            color: var(--text-secondary);
            font-size: 14px;
        }

        /* Status */
        .status {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background-color: rgba(76, 175, 80, 0.1);
            border: 1px solid rgba(76, 175, 80, 0.2);
            border-radius: 4px;
            font-size: 14px;
            color: #2e7d32;
            margin-bottom: 40px;
        }

        @media (prefers-color-scheme: dark) {
            .status {
                color: #81c784;
            }
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background-color: currentColor;
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        /* Specs table */
        .specs-table {
            width: 100%;
            border-collapse: collapse;
        }

        .specs-table tr {
            border-bottom: 1px solid var(--border);
        }

        .specs-table tr:last-child {
            border-bottom: none;
        }

        .specs-table td {
            padding: 16px 0;
            vertical-align: middle;
        }

        .specs-table .label {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            width: 35%;
        }

        .specs-table .value {
            color: var(--text);
            font-size: 15px;
        }

        /* Footer */
        footer {
            background-color: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 60px 0;
            margin-top: 100px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-section h3 {
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            color: var(--text);
        }

        .footer-section a {
            display: block;
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            margin-bottom: 12px;
            transition: color 0.2s;
        }

        .footer-section a:hover {
            color: var(--text);
        }

        .footer-bottom {
            text-align: center;
            color: var(--text-tertiary);
            font-size: 13px;
            padding-top: 40px;
            border-top: 1px solid var(--border);
        }

        /* Content visibility */
        .content-es, .content-en {
            display: none;
        }

        .content-es.active, .content-en.active {
            display: block;
        }

        /* Responsive */
        @media (max-width: 768px) {
            nav .nav-container {
                padding: 0 20px;
                height: 60px;
            }

            .nav-links {
                gap: 20px;
            }

            .nav-links a {
                font-size: 14px;
            }

            main {
                margin-top: 60px;
            }

            .container {
                padding: 0 20px;
            }

            .hero {
                padding: 60px 0;
                min-height: auto;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero p {
                font-size: 18px;
            }

            .section {
                padding: 60px 0;
            }

            .section-title {
                font-size: 32px;
                margin-bottom: 40px;
            }

            .grid, .grid-2, .grid-3 {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .card, .service-card {
                padding: 24px;
            }

            .service-icon {
                font-size: 36px;
            }

            .service-title {
                font-size: 18px;
            }

            .footer-content {
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .nav-links {
                display: none;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .cta-buttons .btn {
                width: 100%;
                text-align: center;
            }
        }