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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* Navigation Menu */
.nav-menu {
    background: linear-gradient(90deg, #003473 0%, #425500 100%);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.nav-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5em;
    color: white;
}

.nav-links {
    display: flex;
    gap: 5px;
    align-items: center;
    justify-content: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 5px 15px;
    margin: 0 5px;
    border-radius: 20px;
    font-size: 0.9em;
    transition: all 0.3s ease;
    display: inline-block;
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(255, 255, 255, 0.2);
}

/* Container and Header */
.container {
    max-width: 1200px;
    margin: 30px auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #003473 0%, #425500 100%);
    color: white;
    padding: 40px;
    text-align: center;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.3em;
    opacity: 0.9;
}

/* Form Styles */
.ctc-form {
    padding: 40px;
}

.form-section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #e0e0e0;
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h2 {
    color: #003473;
    margin-bottom: 20px;
    font-size: 1.5em;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: #425500;
    margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 1em;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #003473;
    box-shadow: 0 0 0 3px rgba(0, 52, 115, 0.1);
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-row .full-width {
    grid-column: 1 / -1;
}

/* Checkbox and Radio Groups */
.checkbox-group,
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.checkbox-group.inline,
.radio-group.inline {
    gap: 20px;
}

.checkbox-group label,
.radio-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-group input[type="checkbox"],
.radio-group input[type="radio"] {
    margin-right: 8px;
    cursor: pointer;
}

/* Inline Input */
.inline-input {
    display: inline-block;
    width: 200px;
    margin-left: 10px;
    padding: 5px 10px;
    border: 1px solid #e0e0e0;
    border-radius: 3px;
}

/* Conditional Input */
.conditional-input {
    margin-top: 10px;
    display: none;
}

input[type="radio"][value="si"]:checked ~ .conditional-input {
    display: block;
}

/* Special conditional inputs */
.tipo-id-otro {
    width: 100%;
    margin-top: 10px;
}

.moneda-otra {
    width: 100%;
    margin-top: 10px;
}

/* Declaration Text */
.declaration-text {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #003473;
}

.declaration-text p {
    margin-bottom: 15px;
    text-align: justify;
    line-height: 1.8;
}

.declaration-text p:last-child {
    margin-bottom: 0;
}

/* Signature Section */
.signature-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 30px;
}

.signature-box {
    text-align: center;
}

.signature-box label {
    display: block;
    margin-bottom: 60px;
    font-weight: 600;
    color: #425500;
}

.signature-line {
    border-bottom: 2px solid #333;
    margin: 0 20px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.export-btn {
    background: linear-gradient(135deg, #003473 0%, #002050 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1em;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 52, 115, 0.3);
}

.export-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 52, 115, 0.4);
}

#exportWordBtn {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
}

#exportPDFBtn {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
}

#printFormBtn {
    background: linear-gradient(135deg, #425500 0%, #2a3600 100%);
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 40px 20px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-menu {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-menu a {
    color: #84bd00;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: #a4dd00;
}

.footer-credits {
    color: #999;
}

.footer-credits a {
    color: #84bd00;
    text-decoration: none;
}

.footer-credits a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(90deg, #003473 0%, #425500 100%);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .container {
        margin: 20px 10px;
    }
    
    .header h1 {
        font-size: 2em;
    }
    
    .ctc-form {
        padding: 20px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .signature-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .export-btn {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }
    
    .nav-menu,
    .action-buttons,
    .footer {
        display: none;
    }
    
    .container {
        box-shadow: none;
        margin: 0;
    }
    
    .header {
        background: none;
        color: black;
        padding: 20px 0;
    }
    
    .form-section {
        page-break-inside: avoid;
    }
    
    .declaration-text {
        border: 1px solid #ccc;
    }
}