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

:root {
    --primary-color: #0066cc;
    --primary-dark: #0052a3;
    --primary-light: #e6f2ff;
    --secondary-color: #00a651;
    --dark: #1a1a1a;
    --dark-light: #333333;
    --gray: #666666;
    --gray-light: #999999;
    --gray-lighter: #e0e0e0;
    --white: #ffffff;
    --bg-light: #f5f5f5;
    --bg-section: #fafafa;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    font-size: 16px;
}

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

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12), 0 1px 0 rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1001;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.logo a {
    display: block;
    text-decoration: none;
    line-height: 0;
}

.logo img {
    display: block;
    height: 32px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex: 1;
    justify-content: center;
    align-items: center;
    margin-top: 0.3rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    padding: 1rem 1.5rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    border-radius: 10px;
    min-height: 50px;
    border-top: 2px solid transparent;
    border-bottom: 3px solid transparent;
}

.nav-link:hover {
    color: var(--primary-color);
    background: transparent;
    border-top: 2px solid transparent;
    border-bottom: 3px solid var(--primary-color);
    border-radius: 0;
    padding-bottom: 0.75rem;
}

.nav-link.active {
    color: var(--primary-color);
    background: transparent;
    border-top: 2px solid transparent;
    font-weight: 700;
}

.header-actions {
    display: flex;
    gap: 0;
    align-items: center;
    padding-left: 1rem;
    padding-right: 1rem;
    position: relative;
}

.header-link:not(:last-child) {
    margin-right: 1rem;
}

.header-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5em 0.85em 0.35em;
    color: #6b7280;
    font-size: 0.8rem;
    text-decoration: none;
    background: #f8f9fa;
    border: none;
    border-bottom: 1px solid #e5e7eb;
    border-right: 1px solid #e5e7eb;
    border-radius: 6px;
    box-shadow: 3px 4px 6px rgba(0, 0, 0, 0.08);
    transition: color 0.2s, background 0.2s, box-shadow 0.2s, transform 0.2s, border-color 0.2s;
    position: relative;
    white-space: nowrap;
    overflow: visible;
}

/* 하단 대각선 효과 */
.header-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 12px 12px;
    border-color: transparent transparent #e0e3e8 transparent;
    border-radius: 0 0 6px 0;
    pointer-events: none;
}

.header-link:hover {
    color: var(--primary-color);
    background: #f8f9fa;
    border-bottom-color: rgba(0, 102, 204, 0.25);
    border-right-color: rgba(0, 102, 204, 0.25);
    box-shadow: 4px 5px 15px rgba(0, 102, 204, 0.18);
    transform: translateY(-2px);
}

.header-link:hover::before {
    border-color: transparent transparent #b8d4f0 transparent;
}

.nav-mobile-actions {
    display: none;
}

.btn {
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border: 1px solid var(--gray-lighter);
}

.btn-outline:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.btn-cta:hover {
    background: #008845;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--dark);
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    height: 450px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-slide:first-child {
    background-image: url('../image/main_banner_idc2.jpg');
    background-blend-mode: overlay;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide:nth-child(2) {
    background-image: url('../image/main_banner_cloud5.jpg');
    background-blend-mode: overlay;
}

.hero-slide:nth-child(3) {
    background-image: url('../image/main_banner_security2.jpg');
    background-blend-mode: overlay;
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text {
    text-align: center;
    color: var(--white);
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
    opacity: 0.95;
    font-weight: 300;
}

.hero-subtitle-first {
    color: #FFD700 !important;
    font-weight: 500;
    opacity: 1 !important;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.15);
    z-index: 1;
}

.hero-slide:first-child .hero-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.hero-slide:nth-child(2) .hero-overlay {
    background: rgba(0, 0, 0, 0.3);
}

.hero-slide:nth-child(3) .hero-overlay {
    background: rgba(0, 0, 0, 0.5);
}

.hero-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    pointer-events: none;
}

.hero-prev,
.hero-next {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    font-size: 2.5rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    pointer-events: all;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    line-height: 1;
    padding: 0;
    padding-top: 3px;
    margin: 0;
    text-align: center;
    font-weight: 300;
    letter-spacing: 0;
}

.hero-prev:hover,
.hero-next:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.hero-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.7);
}

.indicator.active {
    background: var(--white);
    width: 32px;
    border-radius: 6px;
}

/* Service Info Section */
.service-info {
    padding: 3.5rem 0;
    background: var(--bg-section);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: stretch;
}

.service-card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    min-height: 0;
}

.service-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-lighter);
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.service-grid > .service-card {
    height: 100%;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
}

.service-card--idc .service-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.service-card--cloud .service-icon {
    background: linear-gradient(135deg, var(--secondary-color), #008a45);
}

.service-card--security .service-icon {
    background: linear-gradient(135deg, #ff9800, #f57c00);
}

.service-card--idc:hover {
    border-color: var(--primary-color);
}

.service-card--cloud:hover {
    border-color: var(--secondary-color);
}

.service-card--security:hover {
    border-color: #ff9800;
}

.service-card-content {
    padding: 0 2rem 3rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.service-icon svg {
    width: 40px;
    height: 40px;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 16px;
    border: none !important;
}

.service-icon:has(img) {
    background: transparent;
    border: none;
    box-shadow: none;
}

.service-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.service-card-desc {
    color: var(--gray);
    line-height: 1.7;
    font-size: 0.9375rem;
    word-break: keep-all;
    overflow-wrap: break-word;
    flex: 1;
}

.teambox-grid .service-card {
    padding: 1.5rem 1rem;
}

.teambox-grid .service-card-title {
    white-space: nowrap;
}

/* Company Intro Section */
.company-intro {
    padding: 3.5rem 0;
    background: var(--white);
}

.company-intro-content {
    max-width: 1000px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.company-intro-text {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}

.company-intro-desc {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 1rem;
    text-align: left;
}

.company-intro-start {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--gray-lighter);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-unit {
    font-size: 1.8rem;
    font-weight: 600;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--gray);
    font-weight: 500;
}

.company-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    max-width: 1200px;
    margin: 2rem auto 0;
}

.value-item {
    text-align: center;
    padding: 0;
    background: var(--white);
    border-radius: 16px;
    transition: var(--transition);
    border: 2px solid var(--gray-lighter);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.value-item--stability {
    border-color: rgba(0, 102, 204, 0.2);
}

.value-item--stability:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.15);
}

.value-item--innovation {
    border-color: rgba(0, 166, 81, 0.2);
}

.value-item--innovation:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 8px 24px rgba(0, 166, 81, 0.15);
}

.value-item--partnership {
    border-color: rgba(255, 152, 0, 0.2);
}

.value-item--partnership:hover {
    border-color: #ff9800;
    box-shadow: 0 8px 24px rgba(255, 152, 0, 0.15);
}

.value-item:hover {
    transform: translateY(-5px);
}

.value-image {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 2rem 1rem;
}

.value-image img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.value-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
    padding: 0.5rem 2rem 1rem;
    position: relative;
    width: 100%;
}

.value-item--stability .value-title {
    color: #0056b3;
}

.value-item--innovation .value-title {
    color: #006b3c;
}

.value-item--partnership .value-title {
    color: #cc7700;
}

.value-desc {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray);
    padding: 0 2rem 2.5rem;
    margin: 0;
    word-break: keep-all;
    word-wrap: break-word;
}

.company-consulting {
    padding: 3.5rem 0;
    background: var(--bg-section);
}

.consulting-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 0;
    align-items: stretch;
    border: 1px solid rgba(0, 102, 204, 0.15);
    border-radius: 16px;
    overflow: hidden;
}

.consulting-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.consulting-content {
    background: var(--white);
    padding: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.consulting-text {
    width: fit-content;
    max-width: 100%;
}

.consulting-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.consulting-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 1.5rem;
    flex-shrink: 0;
}

.consulting-icon svg {
    width: 32px;
    height: 32px;
}

.consulting-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1rem;
}

.consulting-desc {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.consulting-contacts {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.consulting-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: 8px;
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.consulting-link:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.consulting-link svg {
    width: 20px;
    height: 20px;
}

/* 클립보드 복사 알림 */
.copy-notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s ease;
    pointer-events: none;
}

.copy-notification.show {
    opacity: 1;
    transform: translateX(0);
}

.copy-notification svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* Service Highlights Section */
.service-highlights {
    padding: 3.5rem 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--bg-section) 100%);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.highlight-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 102, 204, 0.15);
    border-color: var(--primary-color);
}

.highlight-card--idc:hover {
    border-color: var(--primary-color);
}

.highlight-card--cloud:hover {
    border-color: var(--secondary-color);
}

.highlight-card-header {
    padding: 2rem 2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05) 0%, rgba(0, 102, 204, 0.02) 100%);
}

.highlight-card--cloud .highlight-card-header {
    background: linear-gradient(135deg, rgba(0, 166, 81, 0.05) 0%, rgba(0, 166, 81, 0.02) 100%);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.highlight-card--cloud .highlight-icon {
    background: linear-gradient(135deg, var(--secondary-color), #008a45);
}

.highlight-icon svg {
    width: 24px;
    height: 24px;
}

.highlight-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.highlight-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.highlight-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.highlight-card:hover .highlight-image img {
    transform: scale(1.05);
}

.highlight-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.highlight-features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    flex: 1;
}

.highlight-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.highlight-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.875rem;
}

.highlight-card--cloud .highlight-features li::before {
    color: var(--secondary-color);
}

.highlight-arrow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9375rem;
    margin-top: auto;
    transition: gap 0.3s ease;
}

.highlight-card--cloud .highlight-arrow {
    color: var(--secondary-color);
}

.highlight-card:hover .highlight-arrow {
    gap: 0.75rem;
}

.highlight-arrow svg {
    width: 18px;
    height: 18px;
}

/* Store Buttons */
.btn-google-play {
    background: #48A860;
    color: #fff;
    border: none;
}

.btn-google-play:hover {
    background: #3d8f52;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-app-store {
    background: #000;
    color: #fff;
    border: none;
}

.btn-app-store:hover {
    background: #333;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Contact Section */
.contact {
    padding: 3.5rem 0;
    background: var(--white);
}

.contact-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -1px;
}

.more-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 1rem;
}

.more-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.contact-content {
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.contact-map {
    width: 100%;
    height: 275px;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid var(--gray-lighter);
    box-shadow: var(--shadow-md);
    position: relative;
    display: block;
    text-decoration: none;
    transition: var(--transition);
}

.contact-map:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.contact-map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.contact-item {
    padding: 1.5rem;
    background: var(--bg-section);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

.contact-item strong {
    display: block;
    margin-bottom: 0.75rem;
    color: var(--dark);
    font-weight: 700;
    font-size: 0.9375rem;
}

.contact-item p {
    color: var(--gray);
    margin: 0;
    line-height: 1.6;
    font-size: 0.9375rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--gray-light);
    padding: 2rem 0 2rem;
    text-align: center;
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.875rem;
}

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

.footer-info {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 0.875rem;
}

.footer-info p {
    margin-bottom: 0.5rem;
}

.footer-info a {
    color: var(--primary-color);
    text-decoration: none;
}

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

.footer-info .separator {
    color: rgba(153, 153, 153, 0.4);
    margin: 0 0.4rem;
}

.footer-copyright {
    padding-top: 1.5rem;
    border-top: 1px solid var(--dark-light);
    color: var(--gray);
    font-size: 0.8125rem;
}

.email-protection-notice {
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--gray);
    opacity: 0.8;
}

/* Top Button (Sky Scraper) */
.top-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: #9ca3af;
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    font-size: 1.5rem;
}

.top-button.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.top-button:hover {
    background: #6b7280;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.35), 0 4px 8px rgba(0, 0, 0, 0.2);
}

.top-button svg {
    width: 24px;
    height: 24px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.75rem;
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .teambox-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        padding-left: 0 !important;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

@media (max-width: 980px) {
    .header-content {
        gap: 0.5rem;
        padding: 0.75rem 0;
    }

    .logo img {
        height: 28px;
    }

    .nav-menu {
        gap: 0.75rem;
    }

    .nav-link {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }

    .header-actions {
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }

    .header-link {
        padding: 0.35em 0.6em 0.25em;
        font-size: 0.7rem;
    }

    .header-link:not(:last-child) {
        margin-right: 0.4rem;
    }
}

@media (max-width: 768px) {
    .top-button {
        width: 48px;
        height: 48px;
        bottom: 1.5rem;
        right: 1.5rem;
        font-size: 1.25rem;
    }

    .top-button svg {
        width: 20px;
        height: 20px;
    }

    .nav-overlay {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        z-index: 998;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .nav {
        position: fixed;
        top: 70px;
        right: 0;
        width: 250px;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        z-index: 999;
        display: flex;
        flex-direction: column;
    }

    .nav.active {
        max-height: 800px;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .nav-menu {
        display: flex;
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
        margin: 0;
        list-style: none;
    }

    .nav-item {
        position: relative;
        width: 100%;
    }

    .nav-item:not(:last-child)::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 2.5rem;
        right: 2.5rem;
        height: 1px;
        background: var(--gray-lighter);
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 1rem 2.5rem;
        border-radius: 0;
        box-sizing: border-box;
        text-align: center;
    }

    .header-actions {
        display: none;
    }

    .nav-mobile-actions {
        display: flex !important;
        gap: 0;
        align-items: center;
        justify-content: center;
        padding: 1rem 1.5rem;
        border-top: 2px solid var(--gray-lighter);
        margin-top: 0;
        margin-bottom: 0;
        background: var(--white);
        width: 100%;
        box-sizing: border-box;
        flex-shrink: 0;
    }

    .nav-mobile-actions .header-link:not(:last-child) {
        margin-right: 1rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        height: 450px;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-controls {
        padding: 0 1rem;
    }

    .hero-prev,
    .hero-next {
        width: 44px;
        height: 44px;
        font-size: 2rem;
        display: none;
    }

    .hero-controls {
        display: none;
    }

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

    .service-info {
        padding: 3rem 0;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .teambox-grid {
        grid-template-columns: 1fr !important;
        padding-left: 0 !important;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    .company-intro {
        padding: 3rem 0;
    }

    .company-intro-content {
        margin-bottom: 3rem;
        padding: 0 1rem;
    }

    .company-intro-desc {
        font-size: 1rem;
    }

    .company-intro-start {
        font-size: 1.25rem;
    }

    .company-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        margin-top: 3rem;
        padding-top: 3rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-unit {
        font-size: 1.5rem;
    }

    .company-values {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .value-item {
        padding: 0;
    }

    .value-image {
        padding: 2rem 1.5rem 0.5rem;
    }

    .value-image img {
        width: 100px;
        height: 100px;
        filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.1));
    }

    .value-title {
        font-size: 1.125rem;
        padding: 0.5rem 1.5rem 0.75rem;
        margin: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .value-desc {
        padding: 1.5rem 1.5rem 2rem;
        margin: 0;
        word-break: keep-all;
        word-wrap: break-word;
    }

    .company-consulting {
        padding: 3rem 0;
    }

    .consulting-wrapper {
        grid-template-columns: 1fr;
        gap: 0;
        align-items: start;
    }

    .consulting-image {
        height: 250px;
        order: 0;
    }

    .consulting-content {
        padding: 2rem 1.5rem;
        order: 1;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .consulting-text {
        width: fit-content;
        max-width: 100%;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }


    .consulting-title {
        font-size: 1.35rem;
    }

    .consulting-desc {
        font-size: 0.9375rem;
    }

    .consulting-contacts {
        flex-direction: column;
        width: 100%;
    }

    .consulting-link {
        justify-content: center;
        width: 100%;
    }

    .copy-notification {
        top: 80px;
        right: 10px;
        left: 10px;
        padding: 0.875rem 1.25rem;
        font-size: 0.875rem;
    }

    .service-highlights {
        padding: 3rem 0;
    }

    .highlights-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }

    .highlight-card-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .highlight-icon {
        width: 40px;
        height: 40px;
    }

    .highlight-icon svg {
        width: 20px;
        height: 20px;
    }

    .highlight-title {
        font-size: 1.35rem;
    }

    .highlight-image {
        height: 180px;
    }

    .highlight-content {
        padding: 1.5rem;
    }

    .contact {
        padding: 3rem 0;
    }

    .contact-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .logo img {
        height: 28px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.9375rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-icon {
        width: 64px;
        height: 64px;
    }

    .service-icon svg {
        width: 32px;
        height: 32px;
    }
}

/* ============================================
   Subpage Styles (formerly idc.css)
   ============================================ */

/* Breadcrumb */
.breadcrumb {
    background: var(--bg-light);
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-lighter);
    font-size: 0.875rem;
    display:none;
}

.breadcrumb a {
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
}

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

.breadcrumb span {
    color: var(--gray-light);
    margin: 0 0.5rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    background-image: url('../image/main_banner_idc2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-blend-mode: overlay;
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 0;
}

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

/* Cloud Page Header Background */
.cloud-page .page-header {
    background-image: url('../image/main_banner_cloud5.jpg');
}


/* Security Page Header Background */
.security-page .page-header {
    background-image: url('../image/main_banner_security2.jpg');
}

.security-page .page-header::before {
    background: rgba(0, 0, 0, 0.5);
}

/* Company Page Header Background */
.company-page .page-header {
    background-image: url('../image/main_banner_customer.jpg');
}

.company-page .page-header::before {
    background: rgba(0, 0, 0, 0.5);
}

.page-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.95;
    font-weight: 300;
}

/* IDC Menu Section */
.idc-menu-section {
    background: var(--bg-section);
    padding: 2rem 0;
    border-bottom: 1px solid var(--gray-lighter);
    position: relative;
    z-index: 100;
}

.idc-menu-section.sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 1000;
}

.idc-menu {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.idc-menu-link {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.75rem 2rem;
    border: 1px solid var(--gray-lighter);
    border-radius: 6px;
    background: var(--white);
    text-align: center;
    flex: 1;
    display: inline-block;
    max-width: 300px;
}

/* visibility: hidden인 버튼은 레이아웃에서 제외 */
.idc-menu-link[style*="visibility: hidden"] {
    display: none;
}

/* 실제 보이는 버튼이 2개일 때 - 3개일 때와 같은 너비로 제한하고 중앙정렬 */
.idc-menu:has(.idc-menu-link:not([style*="visibility: hidden"]):nth-of-type(2):last-of-type) {
    max-width: 66.666%;
}

/* 실제 보이는 버튼이 1개일 때 - 3개일 때와 같은 너비로 제한하고 중앙정렬 */
.idc-menu:has(.idc-menu-link:not([style*="visibility: hidden"]):nth-of-type(1):last-of-type) {
    max-width: 33.333%;
}

.idc-menu-link:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.idc-menu-link.active {
    color: var(--white);
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* IDC Introduction */
.idc-intro {
    padding: 5rem 0;
    background: var(--white);
}

.intro-content {
    max-width: 1000px;
    margin: 0 auto;
}

.intro-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 3rem;
    text-align: center;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-section {
    background: var(--bg-section);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--gray-lighter);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
}

.feature-description {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 0;
}

.feature-subsection {
    margin-top: 2.5rem;
}

.feature-subsection:first-of-type {
    margin-top: 0;
}

.feature-subtitle {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-item {
    margin-top: 1.5rem;
}

.feature-item h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--dark);
}

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

.feature-list li {
    color: var(--gray);
    line-height: 1.8;
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
}

.feature-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.feature-card {
    background: var(--bg-section);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-lighter);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
}

/* Security Service Icons - 각 항목별 색상 (파스텔 톤) */
.intro-features .feature-card:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, #7FB3D3, #5A9BC8); /* 보안관제 - 밝은 파란색 */
}

.intro-features .feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, #B19CD9, #9B7FC7); /* 보안컨설팅 - 밝은 보라색 */
}

.intro-features .feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, #7FCDBB, #5FB8A3); /* 통합유지보수 - 밝은 청록색 */
}

.intro-features .feature-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, #F4A460, #E9967A); /* 긴급대응 - 밝은 주황색 */
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    line-height: 1.7;
    word-break: keep-all;
    overflow-wrap: break-word;
}

/* 주요 보유 시설 현황 */

.facility-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-top: 1.5rem;
    padding-left: 1.5rem;
}

.facility-content {
    background: transparent;
    padding: 0;
}

.facility-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.facility-table th,
.facility-table td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-lighter);
}

.facility-table th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
    width: 35%;
}

.facility-table td {
    color: var(--dark);
}

.facility-table tr:hover {
    background: var(--bg-light);
}

.facility-image {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

@media (max-width: 1024px) {
    .facility-image {
        display: none;
    }
}

.facility-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

/* Facility Grid Link Hover Effect */
.detail-content > a {
    transition: var(--transition);
    cursor: pointer;
}

.detail-content > a:hover .facility-table {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.detail-content > a:hover .facility-image {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.detail-content > a:hover .facility-image img {
    transform: scale(1.02);
    transition: transform 0.3s ease;
}

.center-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-lighter);
    transition: var(--transition);
}

.center-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.center-card h3 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.center-card p {
    color: var(--gray);
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

/* Center Detail Page */
.center-detail {
    padding: 3rem 0;
    background: var(--white);
}

.center-detail-header {
    text-align: center;
    margin-bottom: 4rem;
}

.center-detail-header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--dark);
}

.center-detail-header p {
    font-size: 1.25rem;
    color: var(--gray);
    line-height: 1.8;
}

.detail-section {
    margin-bottom: 4rem;
}

.detail-section h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--dark);
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--primary-color);
}

.detail-content {
    background: var(--bg-section);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.detail-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
    position: relative;
    padding-left: 1.5rem;
}

.detail-content h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.detail-content p {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.detail-content ul {
    list-style: none;
    padding-left: 1.5rem;
}

.detail-content table {
    margin-left: 1.5rem;
}

.detail-content img {
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.image-container-scrollable {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    min-width: 600px;
    width: 100%;
}

.image-container-scrollable img {
    min-width: 600px;
    width: auto;
    max-width: none;
}

/* PC 화면: 이미지 영역 80% 제한 */
@media (min-width: 769px) {
    .image-container-scrollable {
        max-width: 80%;
        margin-left: auto;
        margin-right: auto;
    }
    .image-container-scrollable img {
        max-width: 100%;
    }
}

.thumbnail-compare-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
    padding-left: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.thumbnail-compare-item {
    border: 1px solid var(--gray-lighter);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--white);
    max-width: 400px;
    margin: 0 auto;
}

.thumbnail-compare-item img {
    width: 100%;
    height: auto;
    display: block;
}

.detail-content h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
    padding-left: 2rem;
}

.detail-content h5::before {
    content: '•';
    position: absolute;
    left: 0.5rem;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.detail-content h6 {
    font-size: 1rem;
    font-weight: 600;
    margin-top: 1rem;
    margin-bottom: 0.75rem;
    color: var(--dark);
    position: relative;
    padding-left: 3rem;
}

.detail-content h6::before {
    content: '•';
    position: absolute;
    left: 1.5rem;
    color: var(--gray);
    font-weight: bold;
    font-size: 1rem;
}

.detail-content h5 + ul {
    padding-left: 2rem;
}

.detail-content h6 + ul {
    padding-left: 3rem;
}

.hosting-types {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
    padding-left: 1.5rem;
}

.hosting-type-item {
    background: var(--bg-section);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--gray-lighter);
}

.hosting-type-item h5 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.hosting-type-item p {
    margin-bottom: 0;
    padding-left: 1.5rem;
}

.advantage-diagram {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
    padding-left: 1.5rem;
}

.advantage-item {
    text-align: center;
    padding: 1.5rem 1rem;
    background: var(--bg-section);
    border-radius: 8px;
    border: 1px solid var(--gray-lighter);
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

/* 각 항목별 파스텔톤 색상 */
.advantage-item:nth-child(1) .advantage-icon {
    background: linear-gradient(135deg, #a8d5e2, #7bc4d8);
}

.advantage-item:nth-child(2) .advantage-icon {
    background: linear-gradient(135deg, #d4b5e8, #c19ae0);
}

.advantage-item:nth-child(3) .advantage-icon {
    background: linear-gradient(135deg, #b8e6b8, #9dd89d);
}

.advantage-item:nth-child(4) .advantage-icon {
    background: linear-gradient(135deg, #ffcc99, #ffb366);
}

.advantage-item:nth-child(5) .advantage-icon {
    background: linear-gradient(135deg, #a8e6cf, #7dd3b0);
}

.advantage-icon svg {
    width: 32px;
    height: 32px;
}

.advantage-item p {
    margin: 0;
    padding: 0;
    color: var(--dark);
    font-size: 0.95rem;
    line-height: 1.5;
    font-weight: 500;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.detail-content ul li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    color: var(--gray);
    position: relative;
    line-height: 1.7;
}

.detail-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

/* Product Pages */
.product-section {
    padding: 2rem 0;
    background: var(--white);
}


/* 오시는 길 등 앵커 이동 시 고정 헤더·메뉴에 가리지 않도록 여백 */
#location,
#about,
#consultation {
    scroll-margin-top: 220px;
}

.product-header {
    text-align: center;
    margin-bottom: 3rem;
}

.product-header h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    color: var(--dark);
}

.product-header p {
    font-size: 1.125rem;
    color: var(--gray);
}

.product-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 8px;
    overflow: hidden;
}

.product-table th,
.product-table td {
    padding: 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-lighter);
}

.product-table th {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 700;
    font-size: 1rem;
}

.product-table tr:hover {
    background: var(--bg-light);
}

.hosting-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 3rem 0;
    padding-left: 1.5rem;
}

.hosting-image {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.hosting-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.product-table td {
    color: var(--dark);
}

/* Hadoop Comparison Table - 강조 스타일 */
.hadoop-comparison th:nth-child(3),
.hadoop-comparison td:nth-child(3) {
    background: rgba(0, 102, 204, 0.08);
    font-weight: 600;
    color: var(--primary-color);
}

.hadoop-comparison th:nth-child(3) {
    background: var(--primary-color);
    color: var(--white);
    font-weight: 700;
}

.hadoop-comparison td:nth-child(3) strong {
    color: var(--primary-dark);
    font-weight: 700;
}

/* Request Form */
.request-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-section);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--gray-lighter);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.form-submit .btn {
    min-width: 200px;
}

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

    .feature-section {
        padding: 1.5rem;
    }

    .feature-title {
        font-size: 1.25rem;
    }

    .feature-subtitle {
        font-size: 1.1rem;
    }

    .facility-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .facility-image {
        display: none;
    }

    .intro-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1.125rem;
    }

    .detail-content {
        padding: 1.5rem 1rem;
    }

    .idc-menu-section {
        padding: 1rem 0;
    }

    .idc-menu {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
        padding: 0.25rem 0;
    }

    .idc-menu-link {
        flex: 1 1 calc(50% - 0.25rem);
        min-width: 0;
        padding: 0.625rem 0.75rem;
        font-size: 0.8125rem;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: calc(50% - 0.25rem);
    }

    .idc-intro {
        padding: 3rem 0;
    }

    .intro-features {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.5rem;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .feature-card {
        padding: 1.5rem 1.25rem;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }

    .feature-icon svg {
        width: 32px;
        height: 32px;
    }

    .feature-card h3 {
        font-size: 1.25rem;
        margin-bottom: 0.75rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .idc-centers {
        padding: 3rem 0;
    }

    .facility-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-left: 0;
        padding-left: 0;
    }

    .facility-content {
        padding: 0;
        margin-left: 0;
    }

    .facility-grid .facility-table {
        margin-left: 0;
    }

    .facility-table th,
    .facility-table td {
        padding: 0.75rem;
    }

    .facility-image {
        display: none;
    }

    .facility-grid {
        grid-template-columns: 1fr;
    }

    .hosting-images {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 2rem 0;
    }

    .hosting-types {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding-left: 0;
    }

    .advantage-diagram {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding-left: 0;
    }

    .detail-content table {
        margin-left: 0;
    }

    .detail-content ul {
        padding-left: 1.5rem;
    }

    .detail-content h5 + ul {
        padding-left: 2rem;
    }

    .detail-content h6 + ul {
        padding-left: 3rem;
    }

    .detail-content img {
        margin-left: 0;
    }

    .detail-content > div[style*="padding-left"] {
        padding-left: 0 !important;
    }

    .image-container-scrollable {
        min-width: 100%;
        padding-left: 0 !important;
    }

    .image-container-scrollable img {
        min-width: 600px;
    }

    .thumbnail-compare-images {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding-left: 0;
        max-width: 100%;
    }

    .thumbnail-compare-item {
        max-width: 100%;
    }

    .advantage-item {
        padding: 1rem 0.75rem;
    }

    .advantage-icon {
        width: 50px;
        height: 50px;
    }

    .advantage-icon svg {
        width: 28px;
        height: 28px;
    }

    .advantage-item p {
        font-size: 0.85rem;
    }

    .facility-table th,
    .facility-table td {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .facility-table th {
        width: 40%;
    }

    .request-form {
        padding: 2rem 1.5rem;
    }

    .product-table {
        font-size: 0.875rem;
        margin-left: 0;
    }

    .product-table th,
    .product-table td {
        padding: 0.75rem;
    }

    .hadoop-comparison {
        margin-left: 0 !important;
    }
}

/* 카카오맵 중앙 정렬 */
#daumRoughmapContainer1692840731789 {
    margin-left: auto;
    margin-right: auto;
    display: block;
    max-width: 100%;
    overflow: hidden;
}

#daumRoughmapContainer1692840731789 iframe {
    max-width: 100% !important;
    width: 100% !important;
}