:root {
    --primary: #4A90E2;
    --primary-dark: #357abd;
    --secondary: #6c757d;
    --bg-light: #f0f2f5;
    --bg-white: #ffffff;
    --text-dark: #333333;
    --text-grey: #666666;
    --accent-green: #28a745;
    --shadow: 0 4px 15px rgba(0,0,0,0.1);
    --radius: 12px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
}

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

h1, h2, h3, h4 {
    color: var(--text-dark);
    margin-bottom: 15px;
}

a { text-decoration: none; color: inherit; }

img, video {
    max-width: 100%;
    height: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: 2px solid var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-dark);
    border: 2px solid var(--bg-light);
}

.btn-secondary:hover {
    background: #e2e6ea;
    border-color: #e2e6ea;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-large {
    font-size: 1.2rem;
    padding: 15px 35px;
}

/* Header / Hero */
.hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding-bottom: 80px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 60px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

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

.hero-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
}

.subheadline {
    font-size: 1.2rem;
    color: var(--text-grey);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.trust-badge {
    font-size: 0.9rem;
    color: var(--accent-green);
    font-weight: 500;
}

.hero-visual {
    flex: 1;
}

.video-placeholder {
    background: #ddd;
    height: 350px;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--text-grey);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-caption {
    position: absolute;
    left: 20px;
    bottom: 20px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
}

.play-button {
    font-size: 4rem;
    color: rgba(0,0,0,0.3);
    cursor: pointer;
    transition: 0.2s;
}

.video-placeholder:hover .play-button {
    color: var(--primary);
}

/* Value Prop */
.value-prop {
    padding: 80px 0;
}

.value-prop h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.card {
    padding: 40px;
    border-radius: var(--radius);
}

.problem {
    background: #fff5f5;
    border: 1px solid #fed7d7;
}

.problem h3 { color: #c53030; }

.solution {
    background: #f0fff4;
    border: 1px solid #c6f6d5;
}

.solution h3 { color: #2f855a; }

.card ul {
    list-style: none;
    padding: 0;
}

.card li {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

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

.features h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.2s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

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

/* Demonstration */
.demonstration {
    padding: 80px 0;
    text-align: center;
}

.demonstration h2 { font-size: 2.2rem; }
.section-desc { color: var(--text-grey); font-size: 1.2rem; margin-bottom: 50px; }

.steps {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 60px;
}

.step {
    max-width: 250px;
}

.step-num {
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin: 0 auto 15px;
}

.demo-visuals {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.visual-placeholder {
    background: #eee;
    height: 300px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-weight: bold;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
}

.pricing h2 { text-align: center; font-size: 2.2rem; }

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
    align-items: center; /* Align cards vertically */
}

.price-card {
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    border: 1px solid #eee;
}

.price-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--primary);
    z-index: 2;
}

.price-card.lifetime {
    border: 2px solid #ffd700;
}

.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.lifetime .badge {
    background: #ffd700;
    color: #333;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 20px 0;
    color: var(--text-dark);
}

.period {
    font-size: 1rem;
    color: var(--text-grey);
    font-weight: 400;
}

.features-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    text-align: left;
}

.features-list li {
    margin-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 10px;
}

.additional-options {
    text-align: center;
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 40px;
}

.option {
    background: white;
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.option span.note {
    display: block;
    font-size: 0.8rem;
    color: var(--text-grey);
    margin-top: 5px;
}

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

.faq h2 { text-align: center; font-size: 2.2rem; margin-bottom: 50px; }

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

.faq-item h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.faq-item p {
    color: var(--text-grey);
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 60px 0 20px;
}

.cta-final {
    text-align: center;
    margin-bottom: 60px;
    border-bottom: 1px solid #444;
    padding-bottom: 60px;
}

.cta-final h2 { color: white; margin-bottom: 30px; }

.footer-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer h4 { color: white; }
.footer a { color: var(--primary); }
.footer p { color: #bbb; }
.copyright { color: #777; font-size: 0.9rem; }

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .pricing-grid {
        gap: 20px;
    }
    
    .price-card {
        padding: 30px 20px;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 40px;
    }

    .nav-links {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
        padding: 0;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .comparison-grid, .pricing-grid, .faq-grid, .demo-visuals, .features-grid {
        grid-template-columns: 1fr;
    }

    .price-card.popular {
        transform: none;
        order: -1; /* Show popular first on mobile */
    }
    
    .steps {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .footer-info {
        flex-direction: column;
        align-items: center;
        gap: 30px;
        text-align: center;
    }
    
    .anim-container {
        width: 100%;
        max-width: 500px;
        height: auto;
        aspect-ratio: 500 / 350;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.8rem;
    }
    
    .subheadline {
        font-size: 1rem;
    }
    
    .btn-large {
        width: 100%;
        box-sizing: border-box;
    }
    
    .additional-options {
        flex-direction: column;
        gap: 20px;
    }
}
