/* Energy Credit Calculator Styles */
:root {
    --primary-color: #204080;
    --secondary-color: #5AC8FA;
    --accent-color: #FF6B35;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --dark-color: #0056CC;
    --light-color: #E3F2FD;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --background-light: #f8fafc;
    --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%);
    --gradient-success: linear-gradient(135deg, #28A745 0%, #20C997 100%);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

* {
    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 1rem;
}

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

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

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

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Calculator Section */
.calculator-section {
    padding: 3rem 0;
    background: var(--background-light);
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.calculator-form {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
}

.form-grid {
    display: grid;
    gap: 2rem;
}

.form-section {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    background: #fafbfc;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--secondary-color);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.input-label.required::after {
    content: " *";
    color: var(--danger-color);
}

.input-field {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(32, 64, 128, 0.1);
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
    line-height: 1.4;
}

/* Form Actions */
.form-actions {
    text-align: center;
    margin-top: 2rem;
}

.calculate-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-medium);
}

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

.btn-icon {
    font-size: 1.2rem;
}

/* Results Section */
.results-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    margin-top: 2rem;
}

.results-header {
    text-align: center;
    margin-bottom: 2rem;
}

.results-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-card {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.result-card.primary {
    background: var(--gradient-success);
    color: white;
    border: none;
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.result-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.result-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: inherit;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: inherit;
    margin-bottom: 0.5rem;
}

.result-description {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Breakdown and Analysis Sections */
.breakdown-section,
.carryforward-section,
.recommendations-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.breakdown-section h3,
.carryforward-section h3,
.recommendations-section h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.breakdown-content,
.carryforward-content,
.recommendations-content {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

/* Info Section */
.info-section {
    padding: 3rem 0;
    background: white;
}

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

.info-card {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 2rem;
    border: 1px solid var(--border-color);
}

.info-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-card ul {
    list-style: none;
}

.info-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.info-card li:last-child {
    border-bottom: none;
}

.info-card strong {
    color: var(--text-primary);
}

/* FAQ Section */
.faq-section {
    padding: 3rem 0;
    background: var(--background-light);
}

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

.faq-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
}

.faq-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Related Calculators */
.related-calculators {
    padding: 3rem 0;
    background: white;
}

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

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

.related-card {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.related-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.related-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.related-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.related-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Disclaimer Section */
.disclaimer-section {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    padding: 2rem 0;
    margin-top: 2rem;
}

.disclaimer-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.disclaimer-content h4 {
    color: #856404;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.disclaimer-content p {
    color: #856404;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.disclaimer-content p:last-child {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .calculator-form {
        padding: 1.5rem;
    }
    
    .form-section {
        padding: 1rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 0.75rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 0;
    }
    
    .calculator-section {
        padding: 2rem 0;
    }
    
    .info-section,
    .faq-section,
    .related-calculators {
        padding: 2rem 0;
    }
}