/* LinkedIn-inspired Design System */
:root {
    --linkedin-blue: #0A66C2;
    --linkedin-blue-hover: #004182;
    --linkedin-blue-light: #378FE9;
    --linkedin-bg: #F3F2EF;
    --linkedin-white: #FFFFFF;
    --linkedin-black: #000000;
    --linkedin-gray: #666666;
    --linkedin-gray-light: #E0E0E0;
    --linkedin-text: #191919;
    --linkedin-success: #057642;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--linkedin-text);
    background-color: var(--linkedin-bg);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    background: var(--linkedin-white);
    border-bottom: 1px solid var(--linkedin-gray-light);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 600;
    color: var(--linkedin-text);
    text-decoration: none;
}

.logo-text {
    color: var(--linkedin-text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links a {
    color: var(--linkedin-gray);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--linkedin-text);
}

.btn-github {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--linkedin-blue);
    color: white !important;
    border-radius: 16px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-github:hover {
    background: var(--linkedin-blue-hover);
}

/* Hero Section */
.hero {
    background: var(--linkedin-white);
    padding: 80px 0 120px;
    text-align: center;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(10, 102, 194, 0.1);
    color: var(--linkedin-blue);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--linkedin-text);
}

.linkedin-text {
    color: var(--linkedin-blue);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--linkedin-gray);
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--linkedin-blue);
    color: white;
    text-decoration: none;
    border-radius: 24px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(10, 102, 194, 0.2);
}

.btn-primary:hover {
    background: var(--linkedin-blue-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(10, 102, 194, 0.3);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: var(--linkedin-blue);
    text-decoration: none;
    border: 2px solid var(--linkedin-blue);
    border-radius: 24px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(10, 102, 194, 0.05);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--linkedin-blue);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--linkedin-gray);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--linkedin-bg);
}

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

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--linkedin-text);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--linkedin-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--linkedin-white);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--linkedin-gray-light);
    transition: all 0.3s;
}

.feature-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-4px);
    border-color: var(--linkedin-blue);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--linkedin-text);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--linkedin-gray);
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: var(--linkedin-white);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.step-card {
    background: var(--linkedin-bg);
    padding: 32px;
    border-radius: 8px;
    border: 2px solid var(--linkedin-gray-light);
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 32px;
    width: 40px;
    height: 40px;
    background: var(--linkedin-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.step-content {
    margin-top: 20px;
}

.step-content h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--linkedin-text);
    margin-bottom: 12px;
}

.step-content p {
    font-size: 15px;
    color: var(--linkedin-gray);
    margin-bottom: 16px;
}

.code-snippet {
    background: var(--linkedin-white);
    padding: 16px;
    border-radius: 6px;
    border: 1px solid var(--linkedin-gray-light);
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--linkedin-blue);
    overflow-x: auto;
}

/* Installation Section */
.installation {
    padding: 80px 0;
    background: var(--linkedin-bg);
}

.install-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.install-info h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--linkedin-text);
    margin-bottom: 20px;
}

.install-description {
    font-size: 18px;
    color: var(--linkedin-gray);
    margin-bottom: 32px;
}

.install-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--linkedin-text);
}

/* Terminal */
.terminal {
    background: #1E1E1E;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.terminal-header {
    background: #323232;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #FF5F57; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #28CA42; }

.terminal-title {
    color: #999;
    font-size: 12px;
}

.terminal-body {
    padding: 20px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.terminal-line {
    margin-bottom: 8px;
    color: #D4D4D4;
}

.prompt {
    color: #4EC9B0;
    margin-right: 8px;
}

.command {
    color: #DCDCAA;
}

.terminal-line.success {
    color: #4EC9B0;
    margin-top: 16px;
}

/* Documentation */
.docs {
    padding: 80px 0;
    background: var(--linkedin-white);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.doc-card {
    background: var(--linkedin-bg);
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--linkedin-gray-light);
    text-decoration: none;
    transition: all 0.3s;
    display: block;
}

.doc-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-4px);
    border-color: var(--linkedin-blue);
}

.doc-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.doc-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--linkedin-text);
    margin-bottom: 12px;
}

.doc-card p {
    font-size: 15px;
    color: var(--linkedin-gray);
    margin-bottom: 16px;
}

.doc-link {
    color: var(--linkedin-blue);
    font-weight: 600;
    font-size: 14px;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background: var(--linkedin-bg);
}

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

.faq-item {
    background: var(--linkedin-white);
    padding: 24px;
    border-radius: 8px;
    margin-bottom: 16px;
    border: 1px solid var(--linkedin-gray-light);
}

.faq-item summary {
    font-size: 18px;
    font-weight: 600;
    color: var(--linkedin-text);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 24px;
    color: var(--linkedin-blue);
    transition: transform 0.3s;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    margin-top: 16px;
    font-size: 15px;
    color: var(--linkedin-gray);
    line-height: 1.6;
}

/* CTA */
.cta {
    padding: 100px 0;
    background: var(--linkedin-blue);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-primary-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: white;
    color: var(--linkedin-blue);
    text-decoration: none;
    border-radius: 24px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
}

.btn-primary-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

.btn-secondary-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: transparent;
    color: white;
    text-decoration: none;
    border: 2px solid white;
    border-radius: 24px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.2s;
}

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

/* Footer */
.footer {
    background: var(--linkedin-white);
    padding: 60px 0 40px;
    border-top: 1px solid var(--linkedin-gray-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    color: var(--linkedin-text);
    margin-bottom: 16px;
}

.footer-description {
    font-size: 14px;
    color: var(--linkedin-gray);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--linkedin-text);
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    font-size: 14px;
    color: var(--linkedin-gray);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.2s;
}

.footer-column a:hover {
    color: var(--linkedin-blue);
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--linkedin-gray-light);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--linkedin-gray);
    margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .nav-links {
        display: none;
    }
}