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

:root {
    --primary-color: #10a37f;
    --primary-hover: #0d8c6a;
    --secondary-color: #1a7f64;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-tertiary: #edf2f7;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --max-width: 1200px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #10a37f 0%, #0d8c6a 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
}

.hero-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Page Header */
.page-header {
    background-color: var(--bg-primary);
    padding: 3rem 0;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* Main Content */
main {
    padding-bottom: 4rem;
}

.content {
    background-color: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.content section {
    margin-bottom: 3rem;
}

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

.content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.content p {
    margin-bottom: 1.25rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.intro-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    background-color: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

/* Lists */
.feature-list {
    list-style: none;
    margin: 1.5rem 0;
}

.feature-list li {
    padding: 0.75rem 0 0.75rem 2rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.simple-list {
    margin: 1.5rem 0 1.5rem 2rem;
    color: var(--text-secondary);
}

.simple-list li {
    margin-bottom: 0.75rem;
}

/* Info Boxes */
.info-box {
    background-color: #e6f7f1;
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: var(--border-radius);
}

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

.info-box ul {
    list-style: none;
    margin-top: 1rem;
}

.info-box li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.warning-box {
    background-color: #fff5e6;
    border-left: 4px solid #f59e0b;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: var(--border-radius);
    color: #92400e;
}

.tip-box {
    background-color: #eff6ff;
    border-left: 4px solid #3b82f6;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: var(--border-radius);
}

.tip-box strong {
    color: #1e40af;
}

/* Grids */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.comparison-item {
    background-color: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.comparison-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.comparison-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.comparison-item p {
    margin-bottom: 0;
    font-size: 1rem;
}

/* Pros and Cons */
.pros-cons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.pros,
.cons {
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.pros {
    background-color: #e6f7f1;
    border: 2px solid var(--primary-color);
}

.cons {
    background-color: #fef2f2;
    border: 2px solid #f87171;
}

.pros h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cons h3 {
    color: #dc2626;
    margin-bottom: 1rem;
}

.pros ul,
.cons ul {
    list-style: none;
}

.pros li,
.cons li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
}

.pros li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.cons li:before {
    content: "×";
    position: absolute;
    left: 0;
    color: #dc2626;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Numbered Steps */
.numbered-steps {
    margin: 2rem 0;
}

.step-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.step-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.step-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

.step-content p {
    margin-bottom: 0;
}

/* Accordion Items */
.accordion-item {
    background-color: var(--bg-tertiary);
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

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

.accordion-item p,
.accordion-item ol {
    margin-bottom: 0.5rem;
}

/* FAQ Items */
.faq-category {
    margin-bottom: 3rem;
}

.faq-item {
    background-color: var(--bg-tertiary);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

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

.faq-item p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

/* Workflow Items */
.workflow-item {
    background-color: var(--bg-tertiary);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.workflow-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #10a37f 0%, #0d8c6a 100%);
    color: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 3rem;
}

.cta-section h2 {
    color: white;
    border-bottom: none;
    margin-bottom: 1rem;
}

.cta-section p {
    color: white;
    opacity: 0.95;
    font-size: 1.1rem;
}

.cta-section .btn {
    margin-top: 1rem;
}

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

.cta-section .btn-primary:hover {
    background-color: var(--bg-tertiary);
}

.cta-section .btn-secondary {
    border-color: white;
    color: white;
}

.cta-section .btn-secondary:hover {
    background-color: white;
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: var(--text-primary);
    color: white;
    padding: 3rem 0;
    margin-top: 4rem;
    text-align: center;
}

footer p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

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

    .hero .subtitle {
        font-size: 1.2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-end;
    }

    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .content {
        padding: 1.5rem;
    }

    .content h2 {
        font-size: 1.5rem;
    }

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

    .pros-cons {
        grid-template-columns: 1fr;
    }

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

    .btn {
        text-align: center;
        display: block;
    }
}

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

    .hero h1 {
        font-size: 1.75rem;
    }

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

    .content h2 {
        font-size: 1.35rem;
    }

    .content h3 {
        font-size: 1.15rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    footer,
    .cta-section {
        display: none;
    }

    .content {
        box-shadow: none;
        padding: 0;
    }

    body {
        background-color: white;
    }
}