:root {
    --primary-color: #0069FF;
    --primary-hover: #0052CC;
    --secondary-color: #6B7280;
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --background-white: #FFFFFF;
    --background-gray: #F9FAFB;
    --border-color: #E5E7EB;
    --header-height: 72px;
    --container-max-width: 1200px;
    --border-radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--background-white);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Epilogue', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 {
    font-size: 48px;
    line-height: 56px;
}

h2 {
    font-size: 28px;
    margin-bottom: 24px;
}

h3 {
    font-size: 20px;
    margin-bottom: 16px;
}

h4 {
    font-size: 16px;
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-link {
    color: var(--primary-color);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.btn-link:hover {
    background-color: rgba(0, 105, 255, 0.1);
}

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: white;
    border-bottom: 1px solid var(--border-color);
}

.header-banner {
    background-color: var(--primary-color);
    color: white;
    padding: 8px 0;
    font-size: 13px;
}

.header-banner .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-links {
    display: flex;
    gap: 24px;
}

.header-links a {
    color: white;
    opacity: 0.9;
    transition: opacity 0.2s ease;
}

.header-links a:hover {
    opacity: 1;
}

.navbar {
    height: var(--header-height);
    display: flex;
    align-items: center;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Epilogue', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 0;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--primary-color);
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.2s ease;
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    z-index: 100;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

.dropdown-menu a:hover {
    background-color: var(--background-gray);
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.2s ease;
}

.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text h1 {
    color: white;
    margin-bottom: 24px;
}

.hero-text p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 32px;
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 400px;
}

.hero-visual {
    position: relative;
}

.hero-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
}

.features-overview {
    padding: 80px 0;
    background-color: var(--background-gray);
}

.features-overview h2 {
    text-align: center;
    margin-bottom: 48px;
}

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

.feature-card {
    background-color: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

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

.feature-icon {
    margin-bottom: 24px;
}

.feature-card h3 {
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.feature-link {
    color: var(--primary-color);
    font-weight: 500;
    transition: color 0.2s ease;
}

.feature-link:hover {
    color: var(--primary-hover);
}

.testimonials {
    padding: 80px 0;
    background-color: white;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: 48px;
}

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

.testimonial-card {
    background-color: var(--background-gray);
    padding: 32px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-content p {
    font-style: italic;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.author-info h4 {
    margin-bottom: 4px;
}

.author-info p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 0;
}

.cta-section {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

.cta-actions .btn-link {
    color: white;
}

.cta-actions .btn-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 48px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 32px;
}

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

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

.footer-section h4 {
    color: white;
    margin-bottom: 16px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s ease;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    font-size: 13px;
}

.footer-contact a {
    color: white;
}

.footer-legal {
    text-align: right;
}

.footer-legal p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
    font-size: 13px;
}

.legal-links {
    display: flex;
    gap: 16px;
}

.legal-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    transition: color 0.2s ease;
}

.legal-links a:hover {
    color: white;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 48px 32px;
    background-color: white;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 105, 255, 0.1);
}

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

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.pricing-card {
    background-color: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 2px solid transparent;
    transition: all 0.2s ease;
    text-align: center;
}

.pricing-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    position: relative;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: white;
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.pricing-header h3 {
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.pricing-period {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-features li:last-child {
    border-bottom: none;
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    h1 {
        font-size: 36px;
        line-height: 44px;
    }
    
    h2 {
        font-size: 24px;
    }
    
    .header-banner {
        display: none;
    }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero {
        padding: 48px 0;
    }
    
    .hero-actions {
        max-width: 100%;
    }
    
    .features-overview,
    .testimonials,
    .cta-section {
        padding: 48px 0;
    }
    
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        gap: 16px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 28px;
        line-height: 36px;
    }
    
    .feature-card,
    .testimonial-card {
        padding: 24px;
    }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 14px;
    }
}
