/* Tax Estimator - Global Styles */
:root {
    --primary: #C62E2E;
    --secondary: #1e1e1e;
    --accent: #C1E172;
    --background: #f8f9fa;
    --text: #1e1e1e;
    --text-muted: #6c757d;
    --white: #ffffff;
    --border: #e0e0e0;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 20px rgba(0,0,0,0.12);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--background);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #C62E2E 0%, #8B1F1F 100%);
    padding: 4rem 0 3rem;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.hero-description {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-icon {
    margin-top: 2rem;
}

/* Tool Section */
.tool-section {
    padding: 4rem 0;
}

.tool-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
}

.tool-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--secondary);
}

.tax-form {
    margin-bottom: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary);
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    padding: 0.875rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(198, 46, 46, 0.1);
}

.form-group small {
    margin-top: 0.375rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.form-note {
    background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 100%);
    border-left: 4px solid #ffc107;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: #856404;
}

.form-note strong {
    display: block;
    margin-bottom: 0.25rem;
}

.button-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: #a32525;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(198, 46, 46, 0.3);
}

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

.btn-secondary:hover {
    background: var(--border);
}

/* Results */
.results {
    margin-top: 2.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

.results.hidden {
    display: none;
}

.results h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.result-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.result-card.highlight {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, #fff5f5 0%, #ffffff 100%);
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

/* Breakdown */
.breakdown {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.breakdown h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.breakdown-item:last-child {
    border-bottom: none;
}

.breakdown-item.total {
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 2px solid var(--secondary);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Payment Schedule */
.payment-schedule {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.payment-schedule h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--secondary);
}

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

.schedule-item {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 1.25rem;
    border-radius: 8px;
    border: 2px solid var(--border);
    text-align: center;
    transition: all 0.3s ease;
}

.schedule-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.quarter {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.date {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary);
}

.disclaimer {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #856404;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: var(--white);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--secondary);
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--secondary);
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* How to Use Section */
.how-to-section {
    padding: 4rem 0;
}

.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

.step-content p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Content Section */
.content-section {
    padding: 4rem 0;
    background: var(--white);
}

.content-article {
    max-width: 900px;
    margin: 0 auto;
}

.content-article h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.content-article h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.content-article p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--text);
}

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

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

.faq-item {
    background: var(--white);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: var(--white);
    border: none;
    text-align: left;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: var(--background);
}

.faq-question svg {
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #C62E2E 0%, #8B1F1F 100%);
    padding: 4rem 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn-cta-primary {
    background: var(--white);
    color: var(--primary);
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

.btn-cta-primary:hover {
    background: var(--background);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-cta-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

.btn-cta-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.cta-features {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.95rem;
}

.cta-feature svg {
    stroke: var(--accent);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2rem;
    }

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

    .tool-card {
        padding: 1.5rem;
    }

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

    .button-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

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

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

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

    .step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .cta-content h2 {
        font-size: 1.75rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn-cta-primary,
    .btn-cta-secondary {
        width: 100%;
    }

    .cta-features {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .content-article h2 {
        font-size: 1.75rem;
    }

    .content-article h3 {
        font-size: 1.35rem;
    }
}

@media (max-width: 480px) {
    .hero-section h1 {
        font-size: 1.75rem;
    }

    .tool-title {
        font-size: 1.5rem;
    }

    .result-value {
        font-size: 1.75rem;
    }

    .amount {
        font-size: 1.25rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results {
    animation: fadeIn 0.5s ease;
}

/* Print Styles */
@media print {
    .hero-section,
    .features-section,
    .how-to-section,
    .content-section,
    .faq-section,
    .cta-section,
    .button-group {
        display: none;
    }

    .tool-card {
        box-shadow: none;
        border: 1px solid var(--border);
    }

    .results {
        page-break-inside: avoid;
    }
}