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

:root {
    --primary-gradient: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --primary-gradient-subtle: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(124, 58, 237, 0.08));
    --primary-color: #4F46E5;
    --secondary-color: #7C3AED;
    --text-dark: #1a202c;
    --text-light: #4a5568;
    --background-light: #f7fafc;
    --background-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Dark mode colors */
    --dark-bg: #0a0a0f;
    --dark-surface: #1a1a2e;
    --dark-border: #2a2a3a;
    --dark-text: #e0e0e0;
    --dark-text-light: #a0a0b8;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
    overflow-x: hidden;
    transition: all 0.3s ease;
}

/* Demo dark mode for preview */
body.demo-dark {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

body.demo-dark .navbar {
    background: rgba(26, 26, 46, 0.95);
}

body.demo-dark .hero {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(124, 58, 237, 0.05));
}

body.demo-dark .section-title,
body.demo-dark .hero-title {
    color: var(--dark-text);
}

body.demo-dark .section-subtitle,
body.demo-dark .hero-subtitle {
    color: var(--dark-text-light);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    padding: 0.75rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

body.demo-dark .nav-links a {
    color: var(--dark-text);
}

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

.cta-button {
    background: var(--primary-gradient);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: var(--primary-gradient-subtle);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

/* Search Box */
.search-box-container {
    margin: 2rem 0 3rem;
}

.search-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 50px;
    box-shadow: 0 10px 40px rgba(79, 70, 229, 0.2);
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

body.demo-dark .search-form {
    background: var(--dark-surface);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.search-form:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 10px 50px rgba(79, 70, 229, 0.3);
}

.search-input {
    flex: 1;
    padding: 1.2rem 2rem;
    border: none;
    font-size: 1.1rem;
    outline: none;
    background: transparent;
    color: inherit;
}

body.demo-dark .search-input {
    color: var(--dark-text);
}

body.demo-dark .search-input::placeholder {
    color: var(--dark-text-light);
}

.search-button {
    background: var(--primary-gradient);
    border: none;
    padding: 0 2rem;
    cursor: pointer;
    color: white;
    transition: all 0.3s ease;
}

.search-button:hover {
    transform: scale(1.05);
}

.search-suggestions {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.search-suggestions span {
    color: var(--text-light);
    margin-right: 0.5rem;
}

body.demo-dark .search-suggestions span {
    color: var(--dark-text-light);
}

.search-suggestions a {
    color: var(--primary-color);
    text-decoration: none;
    margin: 0 0.5rem;
    transition: opacity 0.3s ease;
}

.search-suggestions a:hover {
    opacity: 0.8;
}

/* Theme Toggle Demo */
.theme-demo {
    margin-top: 3rem;
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

body.demo-dark .theme-toggle {
    background: var(--dark-surface);
    border-color: var(--dark-border);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.theme-toggle.active .theme-switch {
    transform: translateX(24px);
    background: var(--primary-gradient);
}

.theme-icon {
    font-size: 1.2rem;
}

.theme-text {
    font-weight: 500;
    color: var(--text-dark);
}

body.demo-dark .theme-text {
    color: var(--dark-text);
}

.theme-switch {
    width: 48px;
    height: 24px;
    background: var(--border-color);
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
}

.theme-switch:after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.demo-text {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

body.demo-dark .demo-text {
    color: var(--dark-text-light);
}

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

body.demo-dark .features {
    background-color: var(--dark-surface);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

body.demo-dark .feature-card {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    display: inline-flex;
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

body.demo-dark .feature-card h3 {
    color: var(--dark-text);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

body.demo-dark .feature-card p {
    color: var(--dark-text-light);
}

/* Comparison Section */
.comparison {
    padding: 80px 0;
    background: white;
}

body.demo-dark .comparison {
    background: var(--dark-bg);
}

.comparison-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.comparison-side {
    text-align: center;
}

.comparison-side h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

body.demo-dark .comparison-side h3 {
    color: var(--dark-text);
}

.mock-search {
    background: #f5f5f5;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.mock-search.dark {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
}

.mock-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.mock-logo {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-color);
}

.mock-search-bar {
    flex: 1;
    height: 32px;
    background: white;
    border-radius: 20px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.1);
}

.mock-search.dark .mock-search-bar {
    background: var(--dark-surface);
}

.mock-result {
    text-align: left;
    margin-bottom: 1rem;
}

.mock-title {
    height: 12px;
    background: #e0e0e0;
    border-radius: 4px;
    margin-bottom: 6px;
    width: 70%;
}

.mock-search.dark .mock-title {
    background: #4a4a6a;
}

.mock-url {
    height: 8px;
    background: #b0b0b0;
    border-radius: 4px;
    margin-bottom: 6px;
    width: 50%;
}

.mock-search.dark .mock-url {
    background: #3a3a5a;
}

.mock-snippet {
    height: 8px;
    background: #d0d0d0;
    border-radius: 4px;
    width: 90%;
}

.mock-search.dark .mock-snippet {
    background: #2a2a4a;
}

.comparison-points {
    list-style: none;
    text-align: left;
    max-width: 300px;
    margin: 0 auto;
}

.comparison-points li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

body.demo-dark .comparison-points li {
    color: var(--dark-text-light);
}

.comparison-points li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: var(--background-light);
}

body.demo-dark .benefits {
    background: var(--dark-surface);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

body.demo-dark .benefit-card {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

body.demo-dark .benefit-card h3 {
    color: var(--dark-text);
}

.benefit-card p {
    color: var(--text-light);
    line-height: 1.7;
}

body.demo-dark .benefit-card p {
    color: var(--dark-text-light);
}

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

body.demo-dark .how-it-works {
    background: var(--dark-bg);
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

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

.step-number {
    display: inline-flex;
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

body.demo-dark .step h3 {
    color: var(--dark-text);
}

.step p {
    color: var(--text-light);
    line-height: 1.7;
}

body.demo-dark .step p {
    color: var(--dark-text-light);
}

/* Extension Preview */
.extension-preview {
    text-align: center;
    margin-top: 3rem;
}

.browser-mockup {
    display: inline-block;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    max-width: 400px;
}

body.demo-dark .browser-mockup {
    background: var(--dark-surface);
}

.browser-bar {
    background: #f0f0f0;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

body.demo-dark .browser-bar {
    background: var(--dark-bg);
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #d0d0d0;
}

body.demo-dark .browser-dots span {
    background: #4a4a6a;
}

.browser-address {
    flex: 1;
    background: white;
    padding: 0.25rem 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
    color: var(--text-light);
}

body.demo-dark .browser-address {
    background: var(--dark-surface);
    color: var(--dark-text-light);
}

.extension-popup {
    background: white;
    padding: 1.5rem;
    text-align: left;
}

body.demo-dark .extension-popup {
    background: var(--dark-surface);
}

.popup-header {
    background: var(--primary-gradient);
    margin: -1.5rem -1.5rem 1.5rem;
    padding: 1rem;
    text-align: center;
}

.popup-header h4 {
    color: white;
    font-size: 1.1rem;
    margin: 0;
}

.toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
}

.toggle-row span {
    color: var(--text-dark);
}

body.demo-dark .toggle-row span {
    color: var(--dark-text);
}

.mini-toggle {
    width: 40px;
    height: 22px;
    background: #e5e7eb;
    border-radius: 11px;
    position: relative;
    cursor: pointer;
}

.mini-toggle:after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.mini-toggle.active {
    background: var(--primary-gradient);
}

.mini-toggle.active:after {
    transform: translateX(18px);
}

.popup-status {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

body.demo-dark .popup-status {
    color: var(--dark-text-light);
}

/* Use Cases */
.use-cases {
    padding: 80px 0;
    background: var(--background-light);
}

body.demo-dark .use-cases {
    background: var(--dark-surface);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.case-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

body.demo-dark .case-card {
    background: var(--dark-bg);
    border: 1px solid var(--dark-border);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.case-time {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.case-card p {
    color: var(--text-light);
    line-height: 1.7;
}

body.demo-dark .case-card p {
    color: var(--dark-text-light);
}

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

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.cta-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: white;
}

body.demo-dark .faq {
    background: var(--dark-bg);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faq-item {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 12px;
}

body.demo-dark .faq-item {
    background: var(--dark-surface);
    border: 1px solid var(--dark-border);
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

body.demo-dark .faq-item h3 {
    color: var(--dark-text);
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

body.demo-dark .faq-item p {
    color: var(--dark-text-light);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

body.demo-dark .footer {
    background: var(--dark-surface);
    border-top: 1px solid var(--dark-border);
}

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

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: #a0aec0;
    line-height: 1.7;
}

.footer-links h4,
.footer-resources h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-links ul,
.footer-resources ul {
    list-style: none;
}

.footer-links li,
.footer-resources li {
    margin-bottom: 0.75rem;
}

.footer-links a,
.footer-resources a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-resources a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
    color: #a0aec0;
}

body.demo-dark .footer-bottom {
    border-color: var(--dark-border);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .features-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-container {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .download-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
}