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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #0ea5e9;
    --dark: #0f172a;
    --gray-900: #1e293b;
    --gray-700: #334155;
    --gray-500: #64748b;
    --gray-300: #cbd5e1;
    --gray-100: #f1f5f9;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background: var(--white);
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-100);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    font-size: 28px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.3s;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
    text-align: center;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--dark);
}

.hero .highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-500);
    max-width: 700px;
    margin: 0 auto 40px;
}

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

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
}

/* Sections */
section {
    padding: 100px 0;
}

section h2 {
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--dark);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 18px;
    margin-bottom: 60px;
}

/* Pain Points */
.pain-points {
    background: var(--gray-100);
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.pain-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.pain-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.pain-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--dark);
}

.pain-card p {
    color: var(--gray-500);
    font-size: 14px;
}


/* Solution */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.solution-card {
    background: var(--white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    transition: all 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.solution-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.solution-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--dark);
}

.solution-card p {
    color: var(--gray-500);
    font-size: 16px;
}

/* Integrations */
.integrations {
    background: var(--dark);
    color: var(--white);
}

.integrations h2 {
    color: var(--white);
}

.integrations .section-subtitle {
    color: var(--gray-300);
}

.integration-logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.integration-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px 40px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 18px;
}

/* CTA Section */
.cta-section {
    background: var(--gradient);
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    color: var(--white);
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.9;
}

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

.cta-section .btn-primary:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
}

.footer-links h4 {
    color: var(--white);
    font-size: 16px;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-300);
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 24px;
    text-align: center;
    font-size: 14px;
}

/* Features Page */
.page-header {
    padding: 140px 0 60px;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.page-header p {
    font-size: 20px;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.feature-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    padding: 80px 0;
    border-bottom: 1px solid var(--gray-100);
}

.feature-detail:nth-child(even) {
    direction: rtl;
}

.feature-detail:nth-child(even) > * {
    direction: ltr;
}

.feature-content h3 {
    font-size: 32px;
    margin-bottom: 16px;
    color: var(--dark);
}

.feature-content p {
    color: var(--gray-500);
    font-size: 18px;
    margin-bottom: 24px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 12px;
}

.feature-list li::before {
    content: "✓";
    color: var(--primary);
    font-weight: 700;
}

.feature-visual {
    background: var(--gray-100);
    border-radius: 16px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
}

/* Pricing Page */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--dark);
}

.pricing-card .price {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    margin: 24px 0;
}

.pricing-card .price span {
    font-size: 16px;
    color: var(--gray-500);
    font-weight: 400;
}

.pricing-features {
    text-align: left;
    margin: 32px 0;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.pricing-card .btn {
    width: 100%;
}

/* Docs Page */
.docs-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 60px;
    padding: 40px 0 100px;
}

.docs-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.docs-sidebar h4 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.docs-sidebar ul {
    margin-bottom: 32px;
}

.docs-sidebar li {
    margin-bottom: 8px;
}

.docs-sidebar a {
    color: var(--gray-700);
    font-size: 14px;
    padding: 8px 12px;
    display: block;
    border-radius: 6px;
    transition: all 0.3s;
}

.docs-sidebar a:hover,
.docs-sidebar a.active {
    background: var(--gray-100);
    color: var(--primary);
}

.docs-content h2 {
    text-align: left;
    font-size: 32px;
    margin-bottom: 24px;
}

.docs-content h3 {
    font-size: 24px;
    margin: 40px 0 16px;
    color: var(--dark);
}

.docs-content p {
    color: var(--gray-700);
    margin-bottom: 16px;
}

.docs-content pre {
    background: var(--gray-900);
    color: var(--gray-100);
    padding: 24px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 24px 0;
}

.docs-content code {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 14px;
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-top: 60px;
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--dark);
}

.contact-info p {
    color: var(--gray-500);
    margin-bottom: 32px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-100);
}

.contact-method-icon {
    width: 48px;
    height: 48px;
    background: var(--gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.contact-method h4 {
    font-size: 16px;
    color: var(--dark);
    margin-bottom: 4px;
}

.contact-method p {
    font-size: 14px;
    color: var(--gray-500);
    margin: 0;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-100);
    border-radius: 10px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
    .pain-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .navbar .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 32px;
    }
    
    .pain-grid,
    .solution-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-detail {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .feature-detail:nth-child(even) {
        direction: ltr;
    }
    
    .docs-layout {
        grid-template-columns: 1fr;
    }
    
    .docs-sidebar {
        position: static;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    section h2 {
        font-size: 32px;
    }
}