/* Import Pretendard font (similar to original) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables for exact color matching */
:root {
    --primary-bg: rgb(33, 40, 51);
    --secondary-bg: rgb(42, 50, 67);
    --tertiary-bg: rgb(26, 26, 37);
    --text-primary: rgb(225, 231, 250);
    --text-secondary: rgb(255, 255, 255);
    --text-muted: rgb(115, 125, 145);
    --accent-purple: rgb(106, 48, 229);
    --accent-light: rgb(231, 225, 245);
    --border-color: rgba(217, 217, 217, 0.1);
    --gradient-bg: linear-gradient(135deg, rgb(106, 48, 229) 0%, rgb(42, 50, 67) 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    background-color: transparent;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.navbar-brand .logo i {
    margin-right: 0.5rem;
    color: var(--accent-purple);
    font-size: 1.8rem;
}

.navbar-nav .nav-link {
    color: var(--text-primary) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--accent-light) !important;
}

.free-credits {
    background: var(--gradient-bg);
    border-radius: 20px;
    padding: 0.5rem 1rem !important;
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0 1rem;
}

.dropdown-menu {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.dropdown-item {
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: var(--tertiary-bg);
    color: var(--accent-light);
}

/* Purple Banner */
.purple-banner {
    background: var(--gradient-bg);
    padding: 1rem 0;
    text-align: center;
    position: relative;
    z-index: 1000;
    margin-top: 76px;
}

.banner-content {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
}

/* Hero Section */
.hero-section {
    padding: 4rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
}

.service-tag {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-btn {
    background: var(--gradient-bg);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.hero-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(106, 48, 229, 0.3);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: var(--gradient-bg);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--text-secondary);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.scroll-text {
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

/* Introduction Section */
.introduction-section {
    padding: 4rem 0;
    background-color: var(--secondary-bg);
}

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

.intro-content .lead {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.intro-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.intro-features {
    margin-top: 3rem;
}

.feature-item {
    text-align: center;
    padding: 2rem 1rem;
}

.feature-item i {
    font-size: 3rem;
    color: var(--accent-purple);
    margin-bottom: 1rem;
}

.feature-item h5 {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.feature-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Power Section */
.power-section {
    padding: 4rem 0;
}

.power-title {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.power-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--accent-purple);
    margin-bottom: 3rem;
    text-align: center;
}

/* Advantage Section */
.advantage-section {
    padding: 4rem 0;
}

.advantage-card {
    background-color: var(--secondary-bg);
    border-radius: 15px;
    padding: 2.5rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.advantage-card .card-image {
    width: 80px;
    height: 80px;
    background: var(--gradient-bg);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.advantage-card .card-image i {
    font-size: 2rem;
    color: var(--text-secondary);
}

.advantage-card h3 {
    color: var(--text-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.advantage-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Sophistication Section */
.sophistication-section {
    padding: 4rem 0;
    background-color: var(--secondary-bg);
}

.sophistication-section h2 {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.sophistication-section p {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Use Cases Section */
.use-cases-section {
    padding: 4rem 0;
}

.use-case-card {
    background-color: var(--secondary-bg);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.use-case-card .case-image {
    width: 80px;
    height: 80px;
    background: var(--gradient-bg);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.use-case-card .case-image i {
    font-size: 2rem;
    color: var(--text-secondary);
}

.use-case-card h4 {
    color: var(--text-secondary);
    font-size: 1.3rem;
    font-weight: 600;
}

/* Reviews Section */
.reviews-section {
    padding: 4rem 0;
    background-color: var(--secondary-bg);
}

.review-card {
    background-color: var(--tertiary-bg);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.review-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.review-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.reviewer-avatar i {
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.reviewer-info h5 {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.stars {
    color: #ffd700;
}

.review-card p {
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.6;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
}

.accordion-item {
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    border-radius: 10px;
    overflow: hidden;
}

.accordion-button {
    background-color: var(--secondary-bg);
    color: var(--text-secondary);
    border: none;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 1.5rem;
}

.accordion-button:not(.collapsed) {
    background-color: var(--tertiary-bg);
    color: var(--text-secondary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-body {
    background-color: var(--tertiary-bg);
    color: var(--text-muted);
    padding: 1.5rem;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background-color: var(--secondary-bg);
}

.cta-section h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn {
    background: var(--gradient-bg);
    border: none;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.cta-section .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(106, 48, 229, 0.3);
}

/* Footer */
.footer {
    background-color: var(--tertiary-bg);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-brand .logo i {
    margin-right: 0.5rem;
    color: var(--accent-purple);
    font-size: 1.8rem;
}

.footer h5 {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    margin-top: 2rem;
}

.footer-bottom p {
    color: var(--text-muted);
    margin: 0;
}

.contact-info {
    text-align: right;
}

.contact-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .power-title,
    .section-title {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 2rem 0;
        text-align: center;
    }
    
    .image-placeholder {
        width: 200px;
        height: 200px;
        font-size: 3rem;
        margin-top: 2rem;
    }
    
    .contact-info {
        text-align: left;
        margin-top: 1rem;
    }
    
    .advantage-card,
    .use-case-card,
    .review-card {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .power-title,
    .section-title {
        font-size: 1.8rem;
    }
    
    .advantage-card,
    .use-case-card {
        padding: 1.5rem;
    }
    
    .review-card {
        padding: 1.5rem;
    }
}

/* Button Styles */
.btn-primary {
    background: var(--gradient-bg);
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--gradient-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(106, 48, 229, 0.3);
}

/* Pricing Page Styles */
.pricing-section {
    padding: 4rem 0;
}

.pricing-card {
    background-color: var(--secondary-bg);
    border-radius: 15px;
    padding: 2.5rem 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    height: 100%;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
    border-color: var(--accent-purple);
    box-shadow: 0 10px 30px rgba(106, 48, 229, 0.2);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-bg);
    color: var(--text-secondary);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.pricing-header h3 {
    color: var(--text-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 1rem;
}

.currency {
    color: var(--accent-purple);
    font-size: 1.5rem;
    font-weight: 600;
}

.amount {
    color: var(--text-secondary);
    font-size: 3rem;
    font-weight: 700;
    margin: 0 0.25rem;
}

.period {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.pricing-features li {
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
}

.pricing-features li i {
    color: var(--accent-purple);
    margin-right: 0.75rem;
    font-size: 0.9rem;
}

.pricing-btn {
    width: 100%;
    background: var(--gradient-bg);
    border: none;
    padding: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.pricing-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(106, 48, 229, 0.3);
}

/* Comparison Table */
.comparison-section {
    padding: 4rem 0;
    background-color: var(--secondary-bg);
}

.comparison-table {
    background-color: var(--tertiary-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.comparison-table th {
    background-color: var(--secondary-bg);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 1.5rem 1rem;
    border-bottom: 2px solid var(--border-color);
}

.comparison-table td {
    color: var(--text-muted);
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table tbody tr:hover {
    background-color: var(--secondary-bg);
}

/* Legal Pages Styles */
.legal-section {
    padding: 4rem 0;
    margin-top: 76px;
}

.legal-content {
    background-color: var(--secondary-bg);
    border-radius: 15px;
    padding: 3rem;
    border: 1px solid var(--border-color);
}

.legal-content h1 {
    color: var(--text-secondary);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.last-updated {
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.legal-content h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.legal-content p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.legal-content ul {
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.contact-details {
    background-color: var(--tertiary-bg);
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1rem;
    border: 1px solid var(--border-color);
}

.contact-details p {
    margin: 0;
    color: var(--text-primary);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.advantage-card,
.use-case-card,
.review-card,
.pricing-card {
    animation: fadeInUp 0.6s ease-out;
}