/* 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;
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    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-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: bold;
    font-size: 1.25rem;
    color: #2563eb;
}

.logo-icon {
    font-size: 1.5rem;
}

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

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #2563eb;
}

.cta-button {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.gradient-text {
    background: linear-gradient(135deg, #2563eb, #3b82f6, #6366f1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-weight: 500;
}

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

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.primary-cta {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.4);
}

.primary-cta.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

.secondary-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #2563eb;
    text-decoration: none;
    padding: 1rem 1.5rem;
    border: 2px solid #2563eb;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.2s ease;
}

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

.play-icon {
    font-size: 0.9rem;
}

.social-proof {
    text-align: center;
}

.proof-text {
    color: #64748b;
    margin-bottom: 0.5rem;
}

.proof-stars {
    color: #fbbf24;
    font-size: 1.2rem;
}

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

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #1e293b;
    border-radius: 40px;
    padding: 20px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.phone-mockup:hover {
    transform: rotate(0deg) scale(1.05);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #fff;
    border-radius: 25px;
    overflow: hidden;
}

.app-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

.preview-title {
    font-weight: bold;
    color: #2563eb;
}

.preview-timer {
    font-family: monospace;
    color: #64748b;
}

.preview-video {
    flex: 1;
    background: linear-gradient(45deg, #f1f5f9, #e2e8f0);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pose-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 120px;
    border: 3px solid #22c55e;
    border-radius: 10px;
    opacity: 0.7;
}

.rep-counter {
    text-align: center;
}

.rep-count {
    font-size: 3rem;
    font-weight: bold;
    color: #2563eb;
    display: block;
}

.rep-label {
    color: #64748b;
    font-size: 0.9rem;
}

.preview-controls {
    display: flex;
    padding: 1rem;
    gap: 0.5rem;
}

.control-btn {
    flex: 1;
    padding: 0.5rem;
    text-align: center;
    background: #f1f5f9;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Demo Section */
.demo {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.demo-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.demo-text p {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.demo-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.demo-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.check-icon {
    color: #22c55e;
    font-weight: bold;
    font-size: 1.2rem;
}

.demo-cta {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    display: inline-block;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.demo-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.4);
}

.demo-video {
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-placeholder {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #1e293b, #334155);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.video-placeholder:hover {
    transform: scale(1.05);
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: background 0.3s ease;
}

.play-button:hover {
    background: rgba(255, 255, 255, 0.3);
}

.play-icon-large {
    font-size: 2rem;
    margin-left: 5px;
}

/* Live App Section */
.live-app {
    padding: 80px 0;
    background: white;
}

.app-header {
    text-align: center;
    margin-bottom: 3rem;
}

.app-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.app-header p {
    font-size: 1.2rem;
    color: #64748b;
}

.app-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.app-iframe-container {
    background: #f8fafc;
    border-radius: 20px;
    padding: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.app-iframe-container iframe {
    width: 100%;
    border-radius: 15px;
}

.app-instructions h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.instruction-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.instruction-list li {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.step-number {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content strong {
    color: #1e293b;
    display: block;
    margin-bottom: 0.25rem;
}

.step-content p {
    color: #64748b;
    font-size: 0.95rem;
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

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

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: #4b5563;
    line-height: 1.6;
    font-size: 1.1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: #f3f4f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.author-info strong {
    display: block;
    color: #1e293b;
    font-weight: 600;
}

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

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

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faq-item {
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid #e2e8f0;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
    border-color: #2563eb;
    box-shadow: 0 5px 15px rgba(37, 99, 235, 0.1);
}

.faq-question {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.75rem;
}

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

/* Final CTA */
.final-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e293b, #334155);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.cta-features {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    opacity: 0.8;
}

.cta-features span {
    font-size: 0.95rem;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: bold;
    font-size: 1.25rem;
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.8;
}

.footer-legal {
    display: flex;
    gap: 1rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    
    .nav-link {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .app-container {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .cta-features {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .phone-mockup {
        width: 250px;
        height: 500px;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
}