:root {
    --primary-color: #007bff;
    --primary-light: #e3f2fd;
    --secondary-color: #6c757d;
    --accent-color: #00b4d8;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    --box-shadow: 0 10px 30px rgba(0, 123, 255, 0.1);
    --box-shadow-lg: 0 20px 60px rgba(0, 123, 255, 0.15);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

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

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

.gradient-text {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    padding: 16px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

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

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

/* Header */
.sticky-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--dark-color);
}

.logo img {
    height: 40px;
    width: auto;
}

.desktop-nav {
    display: flex;
    gap: 30px;
}

.desktop-nav a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.desktop-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.desktop-nav a:hover::after {
    width: 100%;
}

.btn-header {
    padding: 10px 24px;
}

.price-old {
    text-decoration: line-through;
    color: var(--gray);
    font-size: 0.9rem;
    margin-right: 8px;
}

.price-new {
    color: var(--danger-color);
    font-weight: 700;
    font-size: 1.1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
}

.mobile-nav {
    display: none;
    background: var(--white);
    padding: 20px;
    flex-direction: column;
    gap: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.mobile-nav.active {
    display: flex;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="%23007bff" opacity="0.03"/></svg>');
    background-size: cover;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 30px;
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.highlight-item i {
    color: var(--success-color);
    font-size: 1.1rem;
}

.price-display {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.price-display .price-old {
    font-size: 1.5rem;
}

.price-display .price-new {
    font-size: 3rem;
    font-weight: 800;
}

.discount-badge {
    background: var(--danger-color);
    color: var(--white);
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.2rem;
}

.countdown-container {
    margin-bottom: 30px;
}

.urgency-text {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--danger-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.countdown {
    display: flex;
    gap: 15px;
}

.countdown-item {
    background: var(--white);
    padding: 15px;
    border-radius: var(--border-radius);
    text-align: center;
    min-width: 80px;
    box-shadow: var(--box-shadow);
}

.countdown-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    display: block;
}

.countdown-label {
    font-size: 0.9rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-hero {
    padding: 20px 40px;
    font-size: 1.2rem;
    margin-bottom: 30px;
    width: 100%;
    max-width: 400px;
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.trust-badge i {
    color: var(--primary-color);
}

.hero-image {
    position: relative;
}

.product-showcase {
    position: relative;
    height: 400px;
}

.showcase-item {
    position: absolute;
    width: 200px;
    height: 200px;
    background: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-color);
    box-shadow: var(--box-shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.showcase-1 {
    top: 0;
    left: 0;
    animation-delay: 0s;
}

.showcase-2 {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    animation-delay: 1s;
}

.showcase-3 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Features */
.features {
    padding: 100px 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--primary-color);
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.compatibility {
    text-align: center;
    margin: 50px 0;
}

.software-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.software-logos span {
    background: var(--light-gray);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 500;
}

.bonus-section {
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-top: 50px;
}

.bonus-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.bonus-header i {
    font-size: 2rem;
    color: var(--warning-color);
}

.bonus-content {
    text-align: center;
}

.bonus-details {
    margin-top: 20px;
    text-align: left;
}

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

.bonus-details li {
    padding: 10px 0;
    border-bottom: 1px solid var(--light-gray);
}

.bonus-details li:last-child {
    border-bottom: none;
}

.hidden {
    display: none;
}

/* Audience */
.audience {
    padding: 80px 0;
    background: var(--light-color);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.audience-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

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

.audience-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Workflow */
.workflow {
    padding: 80px 0;
    background: var(--white);
}

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

.step {
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background: var(--light-color);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.testimonial-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.testimonial-rating {
    color: var(--warning-color);
}

.testimonial-author {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: var(--white);
}

.pricing-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--box-shadow-lg);
    border: 2px solid var(--primary-light);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.price-container {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
}

.price-container .price-old {
    font-size: 2rem;
}

.price-container .price-new {
    font-size: 4rem;
    font-weight: 800;
}

.price-container .discount {
    background: var(--danger-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 50px;
    font-weight: 700;
}

.limited-text {
    color: var(--danger-color);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 15px 0;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    gap: 15px;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li i {
    color: var(--success-color);
}

.countdown-small {
    justify-content: center;
    margin: 20px 0;
}

.countdown-small .countdown-item {
    min-width: 60px;
    padding: 10px;
}

.countdown-small .countdown-number {
    font-size: 1.5rem;
}

.btn-pricing {
    width: 100%;
    padding: 20px;
    font-size: 1.2rem;
    margin: 20px 0;
}

.guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--success-color);
    margin-top: 20px;
}

/* Requirements */
.requirements {
    padding: 80px 0;
    background: var(--light-color);
}

.requirements-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.req-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.file-access {
    text-align: center;
    margin-top: 40px;
    font-weight: 600;
    color: var(--success-color);
}

/* FAQ */
.faq {
    padding: 80px 0;
    background: var(--white);
}

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

.faq-item {
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--light-gray);
}

.faq-question {
    width: 100%;
    padding: 20px;
    background: var(--white);
    border: none;
    text-align: left;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--light-color);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.active {
    padding: 20px;
    max-height: 500px;
}

/* Contact */
.contact {
    padding: 80px 0;
    background: var(--light-color);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
}

.contact-item i {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray);
}

.modal-title {
    text-align: center;
    margin-bottom: 10px;
}

.modal-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.order-summary {
    background: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 30px 0;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--light-gray);
}

.summary-total {
    display: flex;
    justify-content: space-between;
    padding: 15px 0 0;
    font-weight: 700;
    font-size: 1.2rem;
}

.btn-submit {
    width: 100%;
    padding: 20px;
    font-size: 1.1rem;
    margin: 20px 0;
}

.secure-checkout {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--success-color);
    font-size: 0.9rem;
}

.success-content {
    text-align: center;
}

.success-icon {
    font-size: 5rem;
    color: var(--success-color);
    margin-bottom: 20px;
}

.success-details {
    text-align: left;
    background: var(--light-color);
    padding: 20px;
    border-radius: var(--border-radius);
    margin: 30px 0;
}

.success-details ol {
    padding-left: 20px;
    margin-top: 10px;
}

/* Sticky Mobile CTA */
.sticky-mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
    padding: 15px 20px;
    z-index: 999;
}

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

.cta-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.btn-cta {
    padding: 12px 24px;
    white-space: nowrap;
}

/* Footer */
footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 30px;
    text-align: center;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

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

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px 0;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
}

.copyright {
    margin-top: 30px;
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-highlights {
        justify-content: center;
    }
    
    .trust-badges {
        justify-content: center;
    }
    
    .product-showcase {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .btn-header {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .price-display {
        flex-direction: column;
        gap: 10px;
    }
    
    .sticky-mobile-cta {
        display: block;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        padding: 20px;
    }
    
    .price-container {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .countdown-item {
        min-width: 60px;
        padding: 10px;
    }
    
    .countdown-number {
        font-size: 1.5rem;
    }
    
    .modal-content {
        padding: 20px;
    }
}