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

:root {
    --primary-color: #0044FF;
    --secondary-color: #00D9FF;
    --accent-color: #FF6B35;
    --text-color: #1A1A1A;
    --gray-color: #6B7280;
    --light-gray: #F5F7FA;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

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

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

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

.logo-text {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.nav a.btn-primary {
    color: var(--white) !important;
}

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

.nav a.btn-primary:hover {
    color: var(--white) !important;
}

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

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-outline,
.btn-large {
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: #0033CC;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

.btn-large i {
    margin-right: 8px;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e3f2fd 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(0, 68, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-color);
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-color);
}

/* Animation Container */
.animation-container {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.card-animation {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.step {
    background: var(--light-gray);
    padding: 20px 30px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    width: 100%;
}

.step:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: scale(1.05);
}

.step i {
    font-size: 32px;
}

.arrow {
    font-size: 24px;
    color: var(--gray-color);
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 42px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 60px;
    line-height: 1.3;
}

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

/* Problem Section */
.problem-section {
    background: var(--white);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.problem-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: 15px;
    background: var(--light-gray);
    transition: all 0.3s;
}

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

.problem-item i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.problem-item h3 {
    font-size: 18px;
    color: var(--text-color);
}

/* Solution Section */
.solution-section {
    background: var(--light-gray);
}

.solution-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.solution-step {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    background: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.step-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    flex-shrink: 0;
}

.step-icon.highlight {
    background: var(--accent-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.step-content h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.step-detail {
    margin-top: 10px;
    color: var(--gray-color);
    font-size: 14px;
}

/* Features Section */
.features-section {
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 15px;
    position: relative;
    transition: all 0.3s;
}

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

.feature-card.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.feature-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--accent-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.feature-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card.highlight .feature-icon {
    color: var(--white);
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.feature-card p {
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    font-weight: 700;
}

.world-first {
    margin-top: 20px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    text-align: center;
    font-weight: 700;
}

/* How It Works */
.how-section {
    background: var(--light-gray);
}

.timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item.highlight .timeline-time {
    background: var(--accent-color);
    transform: scale(1.2);
}

.timeline-time {
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    z-index: 1;
}

.timeline-content {
    background: var(--white);
    padding: 20px;
    border-radius: 10px;
    flex: 1;
    box-shadow: var(--shadow);
}

.timeline-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.you-do {
    text-align: center;
    margin-top: 60px;
    padding: 30px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 15px;
    font-size: 20px;
}

/* Comparison Table */
.comparison-section {
    background: var(--white);
}

.comparison-table {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 15px;
    overflow: hidden;
}

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

th, td {
    padding: 20px;
    text-align: left;
}

th {
    font-weight: 700;
}

tbody tr {
    border-bottom: 1px solid var(--light-gray);
}

tbody tr:hover {
    background: var(--light-gray);
}

.before {
    color: var(--gray-color);
}

.after {
    color: var(--primary-color);
    font-weight: 700;
}

.roi-box {
    margin-top: 60px;
    padding: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 15px;
    text-align: center;
}

.roi-box h3 {
    font-size: 28px;
    margin-bottom: 30px;
}

.roi-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.roi-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 18px;
}

.roi-item i {
    font-size: 24px;
}

/* Cases Section */
.cases-section {
    background: var(--light-gray);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.case-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

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

.case-icon {
    font-size: 48px;
    text-align: center;
    margin-bottom: 20px;
}

.case-card h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-align: center;
}

.case-name {
    font-size: 14px;
    color: var(--gray-color);
    text-align: center;
    margin-bottom: 20px;
}

blockquote {
    font-style: italic;
    color: var(--text-color);
    line-height: 1.8;
}

blockquote strong {
    color: var(--primary-color);
    font-style: normal;
}

/* Tech Section */
.tech-section {
    background: var(--white);
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--light-gray);
    border-radius: 10px;
    font-size: 18px;
}

.tech-item.highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.tech-item i {
    font-size: 24px;
}

/* Pricing Section */
.pricing-section {
    background: var(--light-gray);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    transition: all 0.3s;
}

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

.pricing-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    transform: scale(1.05);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.price {
    margin-bottom: 30px;
}

.amount {
    font-size: 42px;
    font-weight: 900;
    display: block;
}

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

.pricing-card.featured .period {
    color: rgba(255, 255, 255, 0.8);
}

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

.pricing-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.pricing-card.featured .pricing-features i {
    color: var(--white);
}

.pricing-note {
    text-align: center;
    margin-top: 40px;
    font-size: 18px;
    color: var(--accent-color);
    font-weight: 700;
}

/* Consultation Section */
.consultation-section {
    background: var(--light-gray);
}

.consultation-process {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.process-step {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    transition: all 0.3s;
}

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

.process-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
}

.process-step h3 {
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 10px;
}

.process-step h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.process-step p {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.6;
}

.process-arrow {
    font-size: 32px;
    color: var(--primary-color);
    font-weight: bold;
}

.consultation-benefits {
    background: var(--white);
    padding: 60px;
    border-radius: 20px;
    margin-bottom: 60px;
    box-shadow: var(--shadow);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

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

.benefit-item i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefit-item h4 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.benefit-item p {
    color: var(--gray-color);
    font-size: 14px;
    line-height: 1.6;
}

.consultation-cta {
    text-align: center;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 60px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.cta-box h3 {
    font-size: 32px;
    margin-bottom: 15px;
}

.cta-box > p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-box .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

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

.cta-box .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

.consultation-time {
    font-size: 16px;
    margin-top: 20px;
    opacity: 0.9;
}

/* Trust Section */
.trust-section {
    background: var(--white);
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.trust-stat {
    text-align: center;
}

.trust-stat i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.trust-number {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.trust-label {
    font-size: 16px;
    color: var(--gray-color);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--light-gray);
    border-radius: 30px;
    font-weight: 500;
}

.badge-item i {
    font-size: 24px;
    color: var(--primary-color);
}

/* FAQ Section */
.faq-section {
    background: var(--light-gray);
}

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

.faq-item {
    background: var(--white);
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-question {
    padding: 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

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

.faq-question h3 {
    font-size: 18px;
}

.faq-question i {
    transition: transform 0.3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item.active .faq-answer {
    padding: 0 25px 25px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--gray-color);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 48px;
    margin-bottom: 20px;
}

.cta-subtitle {
    font-size: 24px;
    margin-bottom: 20px;
}

.cta-note {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

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

.cta-section .btn-secondary {
    background: transparent;
    border-color: var(--white);
    color: var(--white);
}

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

/* Footer */
.footer {
    background: var(--text-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 15px;
    color: var(--gray-color);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.footer-column h4 {
    margin-bottom: 20px;
    color: var(--white);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: var(--gray-color);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--gray-color);
    font-size: 20px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--white);
}

/* Responsive */
@media (max-width: 1024px) {
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .features-grid,
    .pricing-grid,
    .cases-grid,
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-step {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-time {
        width: 60px;
        height: 60px;
        font-size: 12px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }
    
    table {
        font-size: 14px;
    }
    
    th, td {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn-large {
        padding: 15px 25px;
        font-size: 16px;
    }
}