/* Texas No Income Tax Calculator CSS */
:root {
    --primary-color: #204080;
    --secondary-color: #5AC8FA;
    --dark-color: #0056CC;
    --light-color: #E3F2FD;
    --error-color: #e53e3e;
    --success-color: #48bb78;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --border-color: #e2e8f0;
    --shadow-light: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-heavy: 0 10px 25px rgba(0,0,0,0.15);
    --gradient-primary: linear-gradient(135deg, #204080 0%, #5AC8FA 100%);
    
    /* Texas-specific colors */
    --texas-red: #bf0a30;
    --texas-blue: #002868;
    --texas-white: #ffffff;
    --texas-gold: #ffd700;
    --texas-orange: #ff6b35;
    --texas-green: #228b22;
    --texas-gradient: linear-gradient(135deg, #bf0a30 0%, #002868 50%, #ffd700 100%);
    --savings-green: #10b981;
    --savings-light: #d1fae5;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Breadcrumb */
.breadcrumb {
    background-color: #f8fafc;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-content a:hover {
    color: var(--dark-color);
}

.breadcrumb-content span {
    color: var(--text-secondary);
}

/* Hero Section */
.hero {
    background: var(--texas-gradient);
    color: white;
    padding: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon fill="rgba(255,255,255,0.05)" points="0,0 100,20 100,80 0,100"/><polygon fill="rgba(255,255,255,0.03)" points="0,20 100,0 100,60 0,80"/></svg>') repeat;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(0px); }
    50% { transform: translateX(20px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.95;
    margin-bottom: 2rem;
}

/* Calculator Section */
.calculator-section {
    padding: 4rem 0;
    background-color: #f8fafc;
}

.calculator-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.calculator-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-heavy);
    border: 1px solid var(--border-color);
}

.calculator-header {
    text-align: center;
    margin-bottom: 3rem;
}

.calculator-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.calculator-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Form Styling */
.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-section {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 16px;
    border-left: 4px solid var(--texas-blue);
}

.form-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--texas-blue);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section h3::before {
    content: '🤠';
    font-size: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.input-label.required::after {
    content: ' *';
    color: var(--error-color);
    font-weight: bold;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-field {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: white;
}

.input-field:focus {
    outline: none;
    border-color: var(--texas-blue);
    box-shadow: 0 0 0 3px rgba(0, 40, 104, 0.1);
}

.input-field:hover:not(:focus) {
    border-color: #cbd5e0;
}

.input-prefix {
    position: absolute;
    left: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    z-index: 2;
}

.input-wrapper:has(.input-prefix) .input-field {
    padding-left: 2rem;
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 200px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: white;
    color: var(--texas-blue);
    border: 2px solid var(--texas-blue);
}

.btn-secondary:hover {
    background: var(--texas-blue);
    color: white;
    transform: translateY(-2px);
}

/* Results Section */
.results-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    animation: slideUp 0.6s ease-out;
}

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

.results-container {
    max-width: 1100px;
    margin: 0 auto;
}

.results-title {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.result-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--texas-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.result-card:hover::before {
    transform: scaleX(1);
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-heavy);
}

.result-card.highlight {
    border-color: var(--savings-green);
    background: var(--savings-light);
}

.result-card.highlight .card-value {
    color: var(--savings-green);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-icon {
    font-size: 1.5rem;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--texas-blue);
    margin-bottom: 0.5rem;
}

.card-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Comparison Section */
.comparison-section {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-medium);
}

.comparison-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.comparison-table-container {
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--light-color);
    font-weight: 600;
    color: var(--primary-color);
}

.comparison-table tr:hover {
    background: #f8fafc;
}

.comparison-table .savings-row {
    background: var(--savings-light);
    font-weight: 600;
}

/* Analysis Section */
.analysis-section,
.recommendations-section {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-medium);
}

.analysis-section h3,
.recommendations-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    text-align: center;
}

.analysis-content ul,
.recommendations-grid {
    display: grid;
    gap: 1rem;
    list-style: none;
}

.analysis-content li,
.recommendation-card {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--texas-blue);
}

.analysis-content li::before,
.recommendation-card::before {
    content: '🤠';
    margin-right: 0.5rem;
}

/* Info Section */
.info-section {
    padding: 4rem 0;
    background-color: white;
}

.info-content {
    max-width: 1000px;
    margin: 0 auto;
}

.info-content h2 {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

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

.info-card {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 16px;
    border-left: 4px solid var(--texas-blue);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
}

.info-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--texas-blue);
    margin-bottom: 1rem;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background-color: #f8fafc;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-container h2 {
    text-align: center;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.faq-grid {
    display: grid;
    gap: 1rem;
}

.faq-item {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    transition: background-color 0.3s ease;
    border-left: 4px solid var(--texas-blue);
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Related Calculators */
.related-calculators {
    padding: 4rem 0;
    background-color: white;
}

.related-calculators h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 3rem;
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.calculator-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
}

.calculator-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-heavy);
}

.calculator-card .calculator-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.calculator-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.calculator-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.related-link {
    color: var(--texas-blue);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.related-link:hover {
    color: var(--texas-red);
}

/* Validation Modal */
.validation-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--primary-color);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    text-align: right;
}

/* Form Validation States */
.form-group.error .input-field {
    border-color: var(--error-color);
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.form-group.success .input-field {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(72, 187, 120, 0.1);
}

.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

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

    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        min-width: unset;
    }

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

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

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

@media (max-width: 480px) {
    .hero {
        padding: 2rem 0;
    }

    .calculator-section,
    .results-section,
    .info-section,
    .faq-section,
    .related-calculators {
        padding: 2rem 0;
    }

    .calculator-card {
        padding: 1.5rem;
    }

    .results-title,
    .info-content h2,
    .faq-container h2,
    .related-calculators h2 {
        font-size: 1.75rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero::before {
        animation: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
    }

    .result-card {
        border: 2px solid #000000;
    }

    .btn-primary {
        border: 2px solid #000000;
    }
}

/* Print Styles */
@media print {
    .hero,
    .form-section,
    .form-actions,
    .related-calculators,
    .validation-modal {
        display: none !important;
    }

    .results-section,
    .comparison-section,
    .analysis-section {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .results-container,
    .info-content {
        box-shadow: none;
        border: 1px solid #000000;
    }

    .result-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000000;
    }
}