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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a2e;
    background: #ffffff;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    font-size: 1.1rem;
    color: #64748b;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 32px;
    height: 32px;
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a2e;
}

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

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #1a1a2e;
}

/* Buttons */
.cta-button-primary, .cta-button-nav {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 1rem;
}

.cta-button-primary:hover, .cta-button-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.cta-button-nav {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.chrome-icon {
    width: 20px;
    height: 20px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23e2e8f0" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
    z-index: 0;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.hero-title {
    margin-bottom: 0;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 0;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
}

.cta-subtitle {
    font-size: 0.9rem;
    color: #94a3b8;
    margin: 0;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 20px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

/* Extension Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.extension-mockup {
    position: relative;
    transform: perspective(1000px) rotateY(-15deg) rotateX(10deg);
}

.mockup-window {
    background: white;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    width: 320px;
}

.mockup-header {
    background: #f8fafc;
    padding: 12px 20px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #e2e8f0;
}

.mockup-dots span:nth-child(1) {
    background: #ef4444;
}

.mockup-dots span:nth-child(2) {
    background: #f59e0b;
}

.mockup-dots span:nth-child(3) {
    background: #10b981;
}

.mockup-content {
    padding: 20px;
}

.mockup-extension {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.season-selector {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
}

.color-palette {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 2px solid #e2e8f0;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.test-color-btn {
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.test-color-btn:hover {
    background: #e2e8f0;
}

.analysis-result {
    display: flex;
    gap: 12px;
    align-items: center;
    background: #f0f9ff;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #bae6fd;
}

.result-color {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 2px solid white;
}

.result-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.match-status {
    font-weight: 600;
    color: #059669;
    font-size: 0.9rem;
}

.confidence-bar {
    width: 100%;
    height: 6px;
    background: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981 0%, #059669 100%);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.confidence-text {
    font-size: 0.8rem;
    color: #64748b;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.25rem;
    color: #64748b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    margin-bottom: 16px;
    color: #1a1a2e;
}

.feature-card p {
    color: #64748b;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 40px;
    align-items: center;
}

.step:nth-child(even) {
    grid-template-columns: auto 1fr auto;
}

.step:nth-child(even) .step-number {
    order: 3;
}

.step:nth-child(even) .step-content {
    order: 2;
    text-align: right;
}

.step:nth-child(even) .step-visual {
    order: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 12px;
    color: #1a1a2e;
}

.step-content p {
    color: #64748b;
}

.step-visual {
    width: 200px;
    height: 150px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.dropdown-demo {
    width: 80%;
}

.demo-select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    background: white;
    font-size: 1rem;
}

.eyedropper-demo {
    position: relative;
    width: 100px;
    height: 100px;
}

.crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: #667eea;
    font-weight: bold;
}

.magnifier {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    border: 3px solid #667eea;
    border-radius: 50%;
    background: rgba(102, 126, 234, 0.1);
}

.result-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.match-badge {
    background: #10b981;
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.confidence-bar-demo {
    width: 120px;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill-demo {
    width: 90%;
    height: 100%;
    background: linear-gradient(90deg, #10b981 0%, #059669 100%);
    border-radius: 4px;
}

/* Social Proof Section */
.social-proof {
    padding: 100px 0;
    background: white;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.testimonial {
    background: #f8fafc;
    padding: 40px 30px;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
}

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

.testimonial-content p {
    font-size: 1.1rem;
    color: #1a1a2e;
    font-style: italic;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.2rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: #1a1a2e;
}

.author-title {
    font-size: 0.9rem;
    color: #64748b;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-question {
    width: 100%;
    padding: 24px 30px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1a1a2e;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background: #f8fafc;
}

.faq-icon {
    font-size: 1.5rem;
    color: #667eea;
    transition: transform 0.2s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 30px 24px;
}

.faq-answer p {
    color: #64748b;
    line-height: 1.6;
}

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

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

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

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 32px;
}

.final-cta .cta-button-primary {
    background: white;
    color: #667eea;
    margin-bottom: 16px;
}

.final-cta .cta-button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin: 0;
}

/* Footer */
.footer {
    background: #1a1a2e;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-logo {
    width: 40px;
    height: 40px;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.footer-tagline {
    color: #94a3b8;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.link-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-group h4 {
    font-weight: 600;
    margin-bottom: 8px;
}

.link-group a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s ease;
}

.link-group a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 20px;
    text-align: center;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: #94a3b8;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-link {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .extension-mockup {
        transform: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .step {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 20px;
    }
    
    .step:nth-child(even) {
        grid-template-columns: 1fr;
    }
    
    .step:nth-child(even) .step-number {
        order: 1;
    }
    
    .step:nth-child(even) .step-content {
        order: 2;
        text-align: center;
    }
    
    .step:nth-child(even) .step-visual {
        order: 3;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .footer-links {
        gap: 40px;
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .mockup-window {
        width: 280px;
    }
    
    .faq-question {
        padding: 20px;
        font-size: 1rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 20px 20px;
    }
}