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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.nav {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
}

.logo-icon {
    background: #2563eb;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #666;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #2563eb;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-secondary:hover {
    background: #2563eb;
    color: white;
}

.btn-outline {
    background: transparent;
    color: #374151;
    border: 2px solid #d1d5db;
}

.btn-outline:hover {
    background: #f9fafb;
    border-color: #9ca3af;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.pricing-btn {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #fdf4ff 100%);
    padding: 120px 0 80px 0;
}

.hero-content {
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content .highlight {
    color: #2563eb;
}

.hero-content p {
    font-size: 1.25rem;
    color: #666;
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* User Type Selector */
.user-type-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.user-type-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.user-type-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0,0,0,0.1);
    border-color: #2563eb;
}

.user-type-card.selected {
    border-color: #2563eb;
    background: #f0f9ff;
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(37, 99, 235, 0.15);
}

.user-type-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.user-type-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.user-type-card p {
    color: #6b7280;
    font-size: 1rem;
    margin: 0;
}

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

.section-gray {
    background: #f9fafb;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: #1f2937;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: #6b7280;
    margin-bottom: 3rem;
}

/* Selected Plan Section */
.selected-plan-section {
    background: white;
    min-height: 60vh;
}

.selected-plan-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.back-btn {
    position: absolute;
    left: 0;
    top: 0;
    background: none;
    border: none;
    color: #2563eb;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 0;
    transition: color 0.3s;
}

.back-btn:hover {
    color: #1d4ed8;
}

#selected-plan-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

#selected-plan-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    margin: 0;
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    border: 2px solid #e5e7eb;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0,0,0,0.1);
}

.pricing-card.featured {
    background: #2563eb;
    color: white;
    border-color: #2563eb;
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #0ea5e9;
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.pricing-amount {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.pricing-amount span {
    font-size: 1rem;
    font-weight: 400;
    opacity: 0.7;
}

.plan-description {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.pricing-features li::before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    margin-right: 12px;
    flex-shrink: 0;
}

.pricing-card.featured .pricing-features li::before {
    color: #93c5fd;
}

/* Comparison Section */
.comparison-section {
    background: #f9fafb;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.comparison-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid #e5e7eb;
    text-align: center;
    transition: all 0.3s ease;
}

.comparison-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px rgba(0,0,0,0.1);
}

.comparison-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.comparison-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.comparison-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.comparison-card ul li {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: #6b7280;
}

.comparison-card ul li::before {
    content: "•";
    color: #2563eb;
    font-weight: bold;
    margin-right: 12px;
}

/* FAQ Section */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.faq-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.faq-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

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

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 2rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: #9ca3af;
    font-size: 1.5rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Animation for smooth transitions */
.pricing-grid {
    transition: opacity 0.3s ease;
}

.pricing-grid[style*="none"] {
    opacity: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    .user-type-selector {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .user-type-card {
        padding: 2rem 1.5rem;
    }

    .selected-plan-header {
        text-align: left;
    }

    .back-btn {
        position: static;
        margin-bottom: 1rem;
    }

    #selected-plan-title {
        font-size: 2rem;
        text-align: center;
    }

    #selected-plan-subtitle {
        text-align: center;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-5px);
    }

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

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

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hamburger-container {
        display: none;
    }
    .nav-links {
        display: flex;
    }
}

@media (max-width: 767px) {
    .nav-links {
        display: none;
    }
    .hamburger-container {
        display: block;
    }
}