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

:root {
    --primary: #6C5CE7;
    --primary-dark: #5F4ED4;
    --secondary: #A29BFE;
    --accent: #00CEC9;
    --text-dark: #2D3436;
    --text-gray: #636E72;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --border: #DFE6E9;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(108, 92, 231, 0.3);
}

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

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

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
}

/* Top Banner */
.top-banner {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 12px 0;
    text-align: center;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

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

.banner-link {
    text-decoration: underline;
    font-weight: 600;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.arrow {
    font-size: 10px;
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 24px;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.dropdown-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.dropdown-section h4 {
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 12px;
}

.dropdown-section a {
    display: block;
    padding: 8px 0;
    color: var(--text-dark);
    transition: color 0.2s;
}

.dropdown-section a:hover {
    color: var(--primary);
}

.dropdown-desc {
    font-size: 14px;
    color: var(--text-gray);
    margin-top: 4px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 100px 0 80px;
    background: linear-gradient(180deg, #F8F9FA 0%, #FFFFFF 100%);
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 66px;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 28px;
    color: var(--text-gray);
    margin-bottom: 5px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.hero-benefits-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-width: 1000px;
    margin: 40px auto 0;
    border: 2px solid var(--border);
}

/* Section Styles */
.section-title {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 60px;
}

.section-cta {
    text-align: center;
    margin-top: 60px;
}

/* Calculator Section */
.calculator-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.calculator-section em {
    font-style: italic;
    color: var(--primary);
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
    align-items: center;
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.input-group input[type="number"] {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.input-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.calculator-result {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.calculator-result h3 {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.result-amount {
    font-size: 64px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
}

.result-image {
    width: 120px;
    height: auto;
    margin: 20px auto;
}

.disclaimer {
    font-size: 14px;
    color: var(--text-gray);
    margin-top: 20px;
}

/* Benefits Section */
.benefits-section {
    padding: 100px 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto 60px;
}

.benefit-card {
    text-align: center;
}

.benefit-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.benefit-card p {
    font-size: 20px;
    line-height: 1.4;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.features-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 24px;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

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

.tab-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.feature-panel {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-panel.active {
    display: grid;
}

.feature-text h3 {
    font-size: 36px;
    margin-bottom: 20px;
}

.feature-text p {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.feature-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.feature-visual video,
.feature-visual img {
    width: 100%;
    display: block;
}

.overlay-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
}

/* Testimonial Section */
.testimonial-section {
    padding: 100px 0;
}

.testimonial-label {
    text-align: center;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.highlight {
    color: var(--primary);
}

.testimonial-card {
    max-width: 800px;
    margin: 60px auto;
    padding: 60px;
    background: var(--bg-light);
    border-radius: 20px;
}

.testimonial-tag {
    font-size: 14px;
    text-transform: uppercase;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 24px;
    line-height: 1.6;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.author-role {
    font-weight: 600;
    font-size: 16px;
}

.author-company {
    color: var(--text-gray);
}

/* Stats Section */
.stats-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.stats-subtitle {
    text-align: center;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto 60px;
}

.stat-card {
    text-align: center;
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.stat-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.stat-number {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.stat-text {
    font-size: 16px;
    color: var(--text-gray);
}

/* Comparison Section */
.comparison-section {
    padding: 100px 0;
}

.comparison-subtitle {
    text-align: center;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.comparison-table {
    max-width: 900px;
    margin: 60px auto;
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
    font-weight: 700;
    font-size: 18px;
}

.comparison-col {
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 16px;
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: var(--white);
    border-radius: 10px;
    border: 2px solid var(--border);
}

.comparison-item img {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.comparison-item.with {
    border-color: #00B894;
}

.comparison-item.without {
    border-color: #FF7675;
}

/* Steps Section */
.steps-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.steps-subtitle {
    text-align: center;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 60px auto;
}

.step-card {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.step-card img {
    width: 50px;
    height: 50px;
    margin-bottom: 20px;
}

.step-card h3 {
    font-size: 16px;
    line-height: 1.4;
}

/* Integrations Section */
.integrations-section {
    padding: 100px 0;
}

.integrations-subtitle {
    text-align: center;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.marquee {
    overflow: hidden;
    margin-top: 60px;
}

.marquee-content {
    display: flex;
    gap: 60px;
    animation: scroll 30s linear infinite;
}

.marquee-content img {
    height: 40px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all 0.3s;
}

.marquee-content img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Process Section */
.process-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.process-subtitle {
    text-align: center;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-gray);
    margin-bottom: 16px;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1000px;
    margin: 60px auto;
}

.process-step {
    text-align: center;
}

.process-step img {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
}

.process-step h3 {
    font-size: 24px;
    margin-bottom: 16px;
}

.process-step p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* Pricing Section */
.pricing-section {
    padding: 100px 0;
}

.pricing-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 60px auto;
}

.pricing-feature {
    text-align: center;
}

.pricing-feature img {
    width: 50px;
    height: 50px;
    margin-bottom: 16px;
}

.pricing-feature p {
    font-size: 16px;
    line-height: 1.4;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 60px auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    background: none;
    border: none;
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s;
}

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

.faq-icon {
    font-size: 24px;
    color: var(--primary);
    transition: transform 0.3s;
}

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

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

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

.faq-answer p {
    padding: 0 32px 24px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-gray);
}

/* Final CTA Section */
.final-cta-section {
    padding: 100px 0;
    text-align: center;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 16px;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    padding: 8px 0;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 968px) {
    .hero-title {
        font-size: 42px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .calculator-wrapper,
    .feature-panel {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid,
    .stats-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid,
    .pricing-features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparison-table {
        overflow-x: auto;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-center,
    .nav-right .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .steps-grid,
    .pricing-features {
        grid-template-columns: 1fr;
    }
}