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

:root {
    --primary: #FF6F0F;
    --primary-dark: #E65A00;
    --primary-light: rgba(255, 111, 15, 0.1);
    --gradient: linear-gradient(135deg, #FF6F0F 0%, #FF9F4A 100%);
    --text-dark: #333333;
    --text: #333333;
    --text-light: #666;
    --text-muted: #999;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #333333;
    --border: #e5e5e5;
    --border-light: #f0f0f0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 8px 32px rgba(255, 111, 15, 0.25);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 36px;
    width: auto;
}

.nav ul {
    display: flex;
    align-items: center;
    gap: 48px;
}

.nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    position: relative;
    padding: 8px 0;
}

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

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

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

.nav-contact {
    background: var(--gradient);
    color: white !important;
    padding: 10px 24px !important;
    border-radius: 50px;
}

.nav-contact::after {
    display: none;
}

.nav-contact:hover {
    color: white !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(180deg, #fff 0%, var(--bg-light) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 1) 50%, rgba(252, 245, 246, 1) 100%);
    pointer-events: none;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    padding: 4px 1px;
    /* background: var(--primary-light); */
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 42px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 80px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: var(--gradient);
    color: white;
    font-size: 15px;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-primary);
    color: white;
}

.btn-primary:hover svg {
    transform: translateX(4px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    padding: 16px 32px;
    background: transparent;
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid var(--border);
    transition: var(--transition);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 60px;
}

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

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.scroll-indicator span {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* Section Common */
.section {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-header.center {
    text-align: center;
}

.section-label {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-light);
    max-width: 500px;
}

.section-header.center .section-desc {
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-card {
    position: relative;
    background: var(--bg-light);
    padding: 36px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-card-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient);
}

.about-card .highlight {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.8;
    color: var(--text);
    margin-bottom: 24px;
    
}


.about-card .desc {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

.info-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.info-card h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--text-dark);
}

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 10px;
}

.info-icon svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary);
}

.info-card table {
    width: 100%;
    border-collapse: collapse;
}

.info-card th,
.info-card td {
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    text-align: left;
    vertical-align: top;
}

.info-card tr:last-child th,
.info-card tr:last-child td {
    border-bottom: none;
}

.info-card th {
    width: 80px;
    font-weight: 500;
    color: var(--text-muted);
    font-size: 13px;
}

.info-card td {
    color: var(--text);
    font-size: 14px;
}

.info-card td a {
    color: var(--primary);
}

.info-card td a:hover {
    text-decoration: underline;
}

/* Business Section */
.business {
    background: var(--bg-light);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.business-card {
    position: relative;
    background: var(--bg-white);
    padding: 40px 32px;
    border-radius: var(--radius);
    transition: var(--transition);
    text-align: center;
    border: 1px solid transparent;
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: var(--transition);
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--border-light);
}

.business-card:hover::before {
    transform: scaleX(1);
}

.card-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 48px;
    font-weight: 800;
    color: var(--bg-light);
    line-height: 1;
    transition: var(--transition);
}

.business-card:hover .card-number {
    color: var(--primary-light);
}

.business-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: 12px;
    transition: var(--transition);
}

.business-card:hover .business-icon {
    background: var(--gradient);
}

.business-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary);
    transition: var(--transition);
}

.business-card:hover .business-icon svg {
    stroke: white;
}

.business-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.business-card ul {
    text-align: center;
}

.business-card ul li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-light);
}

/* Profile Section */
.profile {
    background: var(--bg-white);
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 32px;
}

.profile-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.profile-card:hover {
    box-shadow: var(--shadow);
}

.profile-card.primary {
    border-color: var(--primary);
}

.profile-header {
    padding: 32px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
}

.profile-card.primary .profile-header {
    background: linear-gradient(135deg, var(--primary-light) 0%, rgba(255, 71, 87, 0.05) 100%);
}

.profile-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 16px;
}

.profile-badge.primary {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.profile-title h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    text-align: center;
}

.ceo-info {
    /* display: flex;
    align-items: center;
    gap: 8px; */
    text-align: center;
}

.ceo-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ceo-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
}

.profile-body {
    padding: 24px;
}

.career-section {
    margin-bottom: 24px;
}

.career-section:last-child {
    margin-bottom: 0;
}

.career-section h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.career-icon {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
}

.career-section ul li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    font-size: 14px;
    color: var(--text);
    /* border-bottom: 1px solid var(--border-light); */
}


/* 연도 그룹 구분선 */
.career-section ul li.year-group {
    border-top: 1px solid var(--border-light);
    margin-top: 16px;
    padding-top: 16px;
}

.career-section ul li:last-child {
    border-bottom: none;
}
/* 
.career-section .year {
    font-weight: 600;
    color: var(--primary);
    font-size: 13px;
    min-width: 60px;
    flex-shrink: 0;

} */


.career-section .yearbk {
    font-weight: 600;
    color: var(--primary);
    font-size: 13px;
    min-width: 50px;
    margin-left: 10px;
    flex-shrink: 0;
    text-align: left;  
} 

.career-section .year {
    font-weight: 600;
    color: var(--primary);
    font-size: 13px;
    min-width: 40px;
    flex-shrink: 0;
    display: inline-block;   
    text-align: right;  

}

.career-section .yearmm {
    font-weight: 600;
    color: var(--primary);
    font-size: 13px;
    min-width: 60px;
    flex-shrink: 0;
    display: inline-block;   
    text-align: right;       
}


.career-text {
    color: var(--text-light);
}

.position-list li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.position-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-light);
    border-radius: 50%;
}

/* Partners Section */
.partners {
    background: var(--bg-light);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.partner-card {
    background: var(--bg-white);
    padding: 32px 24px 28px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--border-light);
}

/* Partner Logo Styles */
.partner-logo {
    height: 50px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo img {
    max-height: 40px;
    max-width: 160px;
    width: auto;
    object-fit: contain;
}

.partner-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-light);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 10px;
}

.partner-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.partner-card p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Contact Section */
.contact {
    background: var(--bg-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-items {
    margin-top: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-light);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: 12px;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--primary);
}

.contact-text h4 {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.contact-text p {
    font-size: 16px;
    color: var(--text);
}

.contact-text a {
    color: var(--text);
}

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

.contact-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: var(--gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.visual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.visual-content {
    position: relative;
    text-align: center;
    color: white;
}

.visual-content img {
    height: 48px;
    filter: brightness(0) invert(1);
    margin-bottom: 16px;
}

.visual-content p {
    font-size: 16px;
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-muted);
    padding: 80px 0 40px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand img {
    height: 32px;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: white;
}

.footer-col ul li:not(:has(a)) {
    font-size: 14px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 32px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .profile-grid {
        grid-template-columns: 1fr;
    }
    
    .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-visual {
        order: -1;
    }
    
    .visual-card {
        max-width: 300px;
        aspect-ratio: 1.2;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        border-bottom: 1px solid var(--border);
        padding: 24px;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    .nav ul li {
        padding: 16px 0;
        border-bottom: 1px solid var(--border-light);
    }
    
    .nav ul li:last-child {
        border-bottom: none;
        padding-top: 24px;
    }
    
    .nav-contact {
        width: 100%;
        justify-content: center;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 24px;
    }
    
    .hero-desc {
        font-size: 14px;
        letter-spacing: 1px;
    }
    
    .hero-buttons {
        flex-direction: column;
        margin-bottom: 60px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 40px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .about-card {
        padding: 32px 24px;
    }
    
    .info-card {
        padding: 24px;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-slow);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}