/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    font-size: 1.8rem;
    color: #f39c12;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

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

.hero-content .lead {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    text-align: center;
    font-size: 8rem;
    color: rgba(255,255,255,0.3);
}

/* Button Styles */
.btn {
    border-radius: 50px;
    padding: 0.75rem 2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(45deg, #f39c12, #e67e22);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(243, 156, 18, 0.4);
}

.btn-outline-primary {
    border: 2px solid #f39c12;
    color: #f39c12;
    background: transparent;
}

.btn-outline-primary:hover {
    background: #f39c12;
    color: white;
    transform: translateY(-2px);
}

.btn-outline-light {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.btn-outline-light:hover {
    background: white;
    color: #2c3e50;
}

/* Section Styles */
section {
    padding: 4rem 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* Benefits Section */
.benefits {
    background: #f8f9fa;
}

.benefit-card {
    text-align: center;
    padding: 2rem;
    height: 100%;
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(45deg, #3498db, #2980b9);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.benefit-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.benefit-card p {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* How It Works Section */
.step-card {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(45deg, #e74c3c, #c0392b);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.step-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.step-card p {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* Calculator Section */
.calculator-section {
    background: #f8f9fa;
}

.calculator-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

.form-group label {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
    display: block;
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 8px;
    padding: 0.75rem;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.input-group-text {
    background: #e9ecef;
    border: 2px solid #e9ecef;
    font-weight: 600;
}

.calculator-results {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    color: white;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.result-item {
    text-align: center;
}

.result-item.highlight {
    background: rgba(255,255,255,0.1);
    padding: 1rem;
    border-radius: 10px;
}

.result-label {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    font-size: 1.8rem;
    font-weight: bold;
}

/* Contact Section */
.contact-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 100px;
}

.form-check-input {
    margin-top: 0.25rem;
}

.form-check-label {
    font-size: 0.9rem;
    color: #6c757d;
}

.contact-success {
    text-align: center;
    padding: 2rem;
}

.success-icon {
    font-size: 4rem;
    color: #27ae60;
    margin-bottom: 1rem;
}

.contact-success h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.contact-success p {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* FAQ Section */
.faq-section {
    background: #f8f9fa;
}

.accordion-item {
    border: none;
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.accordion-button {
    background: white;
    border: none;
    padding: 1.5rem;
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1rem;
}

.accordion-button:not(.collapsed) {
    background: linear-gradient(45deg, #3498db, #2980b9);
    color: white;
}

.accordion-button:focus {
    box-shadow: none;
}

.accordion-body {
    padding: 1.5rem;
    background: white;
    color: #7f8c8d;
    font-size: 1rem;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.footer-brand i {
    font-size: 1.8rem;
    color: #f39c12;
}

.footer p {
    color: #bdc3c7;
    margin-bottom: 1rem;
}

.footer-disclaimer {
    margin-top: 1.5rem;
}

.footer-disclaimer p {
    font-size: 0.85rem;
    color: #95a5a6;
}

.footer-contact h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-contact p {
    color: #bdc3c7;
    margin-bottom: 1.5rem;
}

.footer-divider {
    border-color: #34495e;
    margin: 2rem 0 1rem;
}

.footer-legal {
    text-align: left;
}

.footer-credit {
    text-align: right;
}

.footer-credit a {
    color: #f39c12;
    text-decoration: none;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content .lead {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-image {
        font-size: 4rem;
        margin-top: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 1.1rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .result-value {
        font-size: 1.5rem;
    }
    
    .footer-legal,
    .footer-credit {
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .calculator-card,
    .contact-card {
        padding: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 2rem 0;
        min-height: auto;
    }
    
    section {
        padding: 2rem 0;
    }
    
    .benefit-card,
    .step-card {
        padding: 1.5rem;
    }
    
    .calculator-card,
    .contact-card {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Focus States for Accessibility */
.btn:focus,
.form-control:focus,
.accordion-button:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .hero-buttons,
    .contact-section {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
    
    .calculator-results {
        background: #f8f9fa;
        color: black;
    }
}