/* Section Styles */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    margin-bottom: 16px;
}

.section-title p {
    font-size: 20px;
    line-height: 1.4;
    max-width: 700px;
    margin: 0 auto;
}

/* Feature Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 80px;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 20px;
    transition: var(--transition-default);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 16px;
    color: var(--color-white);
    font-size: 28px;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 24px;
}

.feature-card p {
    font-size: 16px;
    line-height: 1.5;
}

/* Stage Showcase */
.stage-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

.stage-showcase:nth-child(even) {
    direction: rtl;
}

.stage-showcase:nth-child(even) > * {
    direction: ltr;
}

.stage-content h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--color-blue);
    font-size: 20px;
    font-weight: 600;
}

.stage-content h4 {
    margin-bottom: 16px;
    font-size: 36px;
    line-height: 1.1;
}

.stage-content p {
    font-size: 18px;
    line-height: 1.5;
    margin-bottom: 24px;
}

.stage-features {
    list-style: none;
}

.stage-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 16px;
    color: var(--text-secondary);
}

.stage-features i {
    color: var(--color-green);
    margin-top: 2px;
}

.stage-visual {
    position: relative;
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 40px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.stage-visual svg {
    width: 100%;
    height: 100%;
    max-width: 300px;
    max-height: 300px;
}

/* SVG Dark Mode Support - Using CSS Custom Properties */
.stage-visual svg {
    --svg-bg-primary: var(--svg-fill-primary);
    --svg-bg-secondary: var(--svg-fill-secondary);
    --svg-border-primary: var(--svg-stroke-primary);
    --svg-border-secondary: var(--svg-stroke-secondary);
}

/* SVG elements will inherit theme colors through CSS custom properties */
.stage-visual svg text {
    fill: var(--text-primary);
}

/* Ensure SVG contrast in dark mode */
html[data-theme="dark"] .stage-visual svg {
    filter: brightness(0.9) contrast(1.1);
}

@media (prefers-color-scheme: dark) {
    html:not([data-theme]) .stage-visual svg {
        filter: brightness(0.9) contrast(1.1);
    }
}

/* Quick Start Section */
#quickstart {
    padding-top: 40px;
}

.quickstart-content {
    margin: 3rem 0;
}

.quickstart-step {
    margin-bottom: 3rem;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--card-border);
    position: relative;
}

.step-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    background: var(--gradient-primary);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.quickstart-step h3 {
    margin-bottom: 1rem;
    color: var(--color-blue);
}

.code-block {
    background: var(--code-bg);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
    font-family: 'Monaco', 'Menlo', monospace;
    overflow-x: auto;
}

.code-block code {
    color: var(--code-text);
    font-size: 0.9rem;
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.quickstart-examples {
    margin-top: 4rem;
}

.quickstart-examples h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.example-card {
    background: var(--bg-secondary);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.example-card:hover {
    border-color: var(--color-blue);
    transform: translateY(-2px);
}

.example-card h4 {
    color: var(--color-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.example-card code {
    display: block;
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
    overflow-x: auto;
    font-family: 'Monaco', 'Menlo', monospace;
}

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

.self-hosted-note {
    background: var(--hover-bg);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 3rem;
    text-align: center;
}

.self-hosted-note h3 {
    color: var(--color-blue);
    margin-bottom: 1rem;
}

.self-hosted-note .code-block {
    max-width: 600px;
    margin: 1rem auto;
}

.self-hosted-note a {
    color: var(--color-blue);
    text-decoration: underline;
}

.api-key-note {
    background: var(--hover-bg);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 3rem;
    text-align: center;
}

.api-key-note h3 {
    color: var(--color-blue);
    margin-bottom: 1rem;
}

.api-key-note .code-block {
    max-width: 600px;
    margin: 1rem auto;
    text-align: left;
}

.api-key-note p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: var(--color-white);
    text-align: center;
    border-radius: 24px;
    padding: 80px 40px;
    margin: 80px 0;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 20px;
    margin-bottom: 32px;
}

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

.cta-section .btn:hover {
    background: var(--bg-secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .stage-showcase {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .stage-showcase:nth-child(even) {
        direction: ltr;
    }
    
    .stage-visual {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    h2 {
        font-size: 36px;
    }
}