:root {
            --primary: #004a99;
            --primary-dark: #003366;
            --secondary: #64748b;
            --bg-light: #f1f5f9;
            --text-main: #1e293b;
            --border-color: #cbd5e1;
            --white: #ffffff;
        }

        * { box-sizing: border-box; }

        body {
            background-color: var(--bg-light);
            font-family: 'Inter', sans-serif;
            margin: 0;
            padding: 15px;
            color: var(--text-main);
            line-height: 1.6;
        }

        .logo-container-main {
            display: flex;
            justify-content: center;
            margin: 20px 0;
        }

        .logo-container-main img {
            max-width: 180px;
            height: auto;
        }

        .form-container {
            max-width: 750px;
            margin: 0 auto 50px auto;
            background: var(--white);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.08);
            border-top: 6px solid var(--primary);
        }

        .form-header {
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #e2e8f0;
        }

        .header-top {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }

        .header-text h2 {
            color: var(--primary);
            font-size: 1.4rem;
            margin: 0;
            letter-spacing: -0.5px;
        }

        .badge-hoja {
            color: var(--secondary);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }

        .info-empresa {
            background: #f8fafc;
            padding: 15px;
            border-radius: 8px;
            font-size: 0.85rem;
            margin-bottom: 25px;
            border: 1px solid #e2e8f0;
        }

        .form-section {
            margin-bottom: 30px;
            border: none;
            padding: 0;
        }

        .form-section legend {
            width: 100%;
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
        }

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

        label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: #475569;
        }

        input, select, textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            transition: all 0.2s ease;
            font-family: inherit;
        }

        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0,74,153,0.1);
        }

        .grid-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        /* Radio Cards Estilo Moderno */
        .radio-card-group {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 10px;
        }

        .radio-card {
            border: 2px solid #e2e8f0;
            padding: 15px;
            border-radius: 10px;
            cursor: pointer;
            display: flex;
            gap: 12px;
            transition: all 0.2s;
        }

        .radio-card:has(input:checked) {
            border-color: var(--primary);
            background: #f0f7ff;
        }

        .radio-card input { width: auto; }

        .card-title { font-weight: 700; font-size: 0.9rem; display: block; }
        .card-desc { font-size: 0.75rem; color: var(--secondary); line-height: 1.3; }

        /* Avisos */
        /* Aviso Institucional */
        .aviso-institucional-container {
            border-left: 6px solid #263238;
            background: #fff;
            margin: 25px 0;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        .aviso-header-formal {
            background: #eceff1;
            padding: 10px 20px;
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .aviso-cuerpo-formal { padding: 20px; }
        .aviso-footer-alerta {
            background: #fdf2f2;
            color: #b71c1c;
            padding: 12px;
            font-size: 0.85rem;
            display: flex;
            gap: 10px;
        }
        .aviso-footer-alerta {
            display: flex;
            align-items: center;      /* centra verticalmente */
            gap: 6px;                 /* espacio entre icono y texto */
            }

            .aviso-footer-alerta p {
            margin: 0;                /* quita el margen por defecto del <p> */
        }

        .seccion-declaraciones {
            background: #f8fafc;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 25px;
        }

        .opcion-check {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
            align-items: flex-start;
            cursor: pointer;
        }

        .opcion-check input { width: 18px; height: 18px; margin: 0; cursor: pointer; }
        .label-declaracion { font-size: 0.85rem; cursor: pointer; }

        .btn-corporate {
            background: var(--primary);
            color: white;
            padding: 16px;
            border: none;
            border-radius: 8px;
            width: 100%;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s;
            text-transform: uppercase;
        }

        .btn-corporate:hover { background: var(--primary-dark); }

        /* Responsive */
        @media (max-width: 600px) {
            .grid-row, .radio-card-group {
                grid-template-columns: 1fr;
            }
            .form-container { padding: 20px; }
            .header-text h2 { font-size: 1.2rem; }
        }