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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-title {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
}

.logo-subtitle {
    font-size: 12px;
    color: #6b7280;
}

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

.nav-link {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #667eea;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: #667eea;
    border-radius: 1px;
}

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

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: #4b5563;
    border-radius: 1px;
    transition: all 0.3s ease;
}

.mobile-nav {
    display: none;
    flex-direction: column;
    gap: 8px;
    padding: 20px 0;
    border-top: 1px solid #e5e7eb;
}

.mobile-nav .nav-link {
    padding: 12px 16px;
    border-radius: 8px;
}

.mobile-nav .nav-link:hover,
.mobile-nav .nav-link.active {
    background: #f3f4f6;
}

/* Main Content */
main {
    margin-top: 70px;
}

.section {
    display: none;
    min-height: calc(100vh - 70px);
}

.section.active {
    display: block;
}

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

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

.hero-icon {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.5;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.btn-primary {
    background: white;
    color: #667eea;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: #f9fafb;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 60px;
    color: #1f2937;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1f2937;
}

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

/* Page Content Styles */
.page-header {
    text-align: center;
    padding: 60px 0 40px;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 8px;
}

.last-updated {
    color: #6b7280;
    font-size: 14px;
}

.content {
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 60px;
}

.privacy-section,
.terms-section {
    margin-bottom: 40px;
}

.privacy-section h2,
.terms-section h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
}

.privacy-section h3,
.terms-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 12px;
    margin-top: 20px;
}

.privacy-section p,
.terms-section p {
    margin-bottom: 16px;
    line-height: 1.7;
    color: #4b5563;
}

.privacy-section ul,
.terms-section ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.privacy-section li,
.terms-section li {
    margin-bottom: 8px;
    line-height: 1.6;
    color: #4b5563;
}

.terms-intro {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 40px;
}

.terms-intro p {
    color: #92400e;
    margin-bottom: 12px;
}

.info-table {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    margin: 20px 0;
}

.table-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    border-bottom: 1px solid #e5e7eb;
}

.table-row:last-child {
    border-bottom: none;
}

.table-header {
    background: #f9fafb;
    padding: 12px 16px;
    font-weight: 600;
    color: #374151;
    border-right: 1px solid #e5e7eb;
}

.table-cell {
    padding: 12px 16px;
    color: #4b5563;
    border-right: 1px solid #e5e7eb;
}

.table-cell:last-child,
.table-header:last-child {
    border-right: none;
}

/* Contact Section */
.contact-content {
    padding: 40px 0 60px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.contact-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1f2937;
}

.contact-card p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 20px;
}

.contact-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.contact-link:hover {
    text-decoration: underline;
}

/* Uninstall Section */
.uninstall-content {
    padding: 40px 0 60px;
}

.uninstall-steps {
    margin-bottom: 60px;
}

.uninstall-steps h2 {
    font-size: 28px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 40px;
    text-align: center;
}

.step-list {
    max-width: 600px;
    margin: 0 auto;
}

.uninstall-step {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    padding: 24px;
    background: #f9fafb;
    border-radius: 12px;
    border-left: 4px solid #667eea;
}

.uninstall-step .step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    margin: 0;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}

.step-content p {
    color: #4b5563;
    line-height: 1.6;
}

.step-content code {
    background: #e5e7eb;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 14px;
}

.uninstall-help {
    text-align: center;
}

.help-card {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    max-width: 400px;
    margin: 0 auto;
}

.help-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
}

.help-card p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 24px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand .logo-title,
.footer-brand .logo-subtitle {
    color: white;
}

.footer-description {
    color: #9ca3af;
    line-height: 1.6;
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

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

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

.footer-section a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-section p {
    color: #9ca3af;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-nav.active {
        display: flex;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .table-row {
        grid-template-columns: 1fr;
    }
    
    .table-header,
    .table-cell {
        border-right: none;
        border-bottom: 1px solid #e5e7eb;
    }
    
    .uninstall-step {
        flex-direction: column;
        text-align: center;
    }
    
    .page-header h1 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .features,
    .how-it-works {
        padding: 60px 0;
    }
    
    .feature-card,
    .contact-card {
        padding: 32px 24px;
    }
}