:root {
    /* Color Palette - Premium Navy & White with Glassmorphism hints */
    --primary-color: #002147;
    --primary-light: #003366;
    --secondary-color: #8b1a1a;
    --accent-color: #0056b3;
    --highlight-color: #fbbf24;
    --text-main: #1a1a1a;
    --text-dim: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 10, 0.15);
    --container-width: 1100px;
    --section-padding: 80px 20px;
}

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

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 50px;
    color: var(--primary-color);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.2rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 120px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -20%;
    left: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.5;
}

.hero::after {
    content: "";
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.3) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.5;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 25px;
    word-break: keep-all;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-badge {
    display: inline-block;
    background: var(--secondary-color);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 700;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Calculator Section */
section {
    padding: var(--section-padding);
}

.bg-light {
    background-color: var(--bg-light);
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.industry-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.industry-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.industry-card.active {
    border-color: var(--accent-color);
    background-color: #f0f7ff;
    box-shadow: 0 0 0 2px var(--accent-color);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.industry-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.sub-fields {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.6;
}

.select-badge {
    margin-top: 15px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-color);
}

.calc-results {
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    padding: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    box-shadow: var(--shadow-lg);
}

.result-item h4 {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.result-value {
    font-size: 2rem;
    font-weight: 800;
}

.calc-discount-msg {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    font-size: 1rem;
    display: none;
}

.calc-discount-msg.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* Timeline Section */
.timeline {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.timeline-item {
    position: relative;
    z-index: 2;
    text-align: center;
    flex: 1;
}

.step-num {
    width: 60px;
    height: 60px;
    background: white;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    margin: 0 auto 20px;
    font-size: 1.1rem;
}

.timeline-item h4 {
    margin-bottom: 10px;
    font-size: 1rem;
}

.timeline-item p {
    font-size: 0.85rem;
    color: var(--text-dim);
    padding: 0 10px;
}

.timeline-item small {
    color: var(--accent-color);
    font-weight: 600;
}

/* Testimonial Section */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    position: relative;
}

.testimonial-quote {
    font-size: 4rem;
    color: var(--accent-color);
    opacity: 0.2;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--text-main);
    line-height: 1.7;
    margin-bottom: 20px;
    padding-top: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.author-industry {
    background: var(--bg-light);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-color);
}

.author-name {
    font-size: 0.9rem;
    color: var(--text-dim);
    font-weight: 600;
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 700;
    color: var(--primary-color);
    transition: background 0.2s;
}

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

.faq-question span {
    flex: 1;
}

.faq-question i {
    transition: transform 0.3s;
    color: var(--text-dim);
}

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

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

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 25px 20px;
}

.faq-answer p {
    color: var(--text-dim);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding: 80px 20px;
}

.cta-box {
    text-align: center;
    color: white;
}

.cta-box h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-box p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.7;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Footer Section */
.cj-footer {
    background-color: #1a1a2e;
    padding: 60px 20px 40px;
    color: #f3f4f6;
}

.cj-footer-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
}

.cj-footer-brand,
.cj-footer-info {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 25px;
    backdrop-filter: blur(10px);
}

.cj-footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.cj-footer-logo-text strong {
    display: block;
    font-size: 1.2rem;
    color: #fff;
}

.cj-footer-logo-text span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.cj-footer-slogan {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    line-height: 1.6;
}

.cj-footer-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cj-footer-badge {
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
}

.cj-footer-badge-glass {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
    color: #67e8f9;
}

.cj-footer-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.cj-footer-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 4px;
}

.cj-footer-value {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.cj-footer-value a {
    color: inherit;
}

.cj-footer-value a:hover {
    text-decoration: underline;
}

.cj-footer-social-wrapper {
    margin-top: 40px;
}

.cj-footer-social {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 15px;
}

.cj-social-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.cj-social-btn:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.1);
}

.cj-social-naver {
    color: #03c75a;
    font-weight: 900;
}

.cj-footer-bottom {
    text-align: center;
    margin-top: 40px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.cj-footer-dim {
    display: block;
    margin-top: 5px;
    opacity: 0.7;
}

.seal-yoon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #8b1a1a;
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: 900;
    font-size: 14px;
    line-height: 1.05;
    letter-spacing: -1px;
    flex-shrink: 0;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .cj-footer-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .timeline {
        flex-direction: column;
        gap: 30px;
    }

    .timeline::before {
        display: none;
    }

    .cj-footer-info-grid {
        grid-template-columns: 1fr;
    }

    .cta-box h2 {
        font-size: 2rem;
    }

    .btn-lg {
        padding: 14px 28px;
        font-size: 1rem;
    }
}