/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary-color: #1a2332;
    --secondary-color: #d4af37;
    --accent-color: #4a90e2;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

img {
    max-width: 100%;
    display: block;
}

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

ul {
    list-style: none;
}

button {
    border: none;
    cursor: pointer;
    font-family: inherit;
}

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

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 32px;
    letter-spacing: 2px;
    color: var(--primary-color);
    font-weight: bold;
}

.nav-menu {
    display: flex;
    gap: 40px;
}

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

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--secondary-color);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* ===================================
   Hero Slider
   =================================== */
.hero-slider {
    position: relative;
    height: 100vh;
    margin-top: 80px;
    overflow: hidden;
}

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

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-content {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(26, 35, 50, 0.8), rgba(26, 35, 50, 0.3));
}

.slide-text {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: white;
    max-width: 600px;
    z-index: 10;
}

.slide-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 64px;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 2px;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s forwards 0.3s;
}

.slide-subtitle {
    font-size: 20px;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s forwards 0.6s;
}

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

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 20;
    transition: var(--transition);
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}

.slider-btn.prev {
    left: 30px;
}

.slider-btn.next {
    right: 30px;
}

.slider-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 20;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--secondary-color);
    width: 40px;
    border-radius: 6px;
}

/* ===================================
   Company Info Section
   =================================== */
.company-info {
    padding: 100px 0;
    background: var(--bg-white);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.info-card {
    text-align: center;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

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

.info-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    color: white;
}

.info-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.info-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===================================
   About Preview Section
   =================================== */
.about-preview {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.section-label {
    display: inline-block;
    padding: 8px 20px;
    background: var(--secondary-color);
    color: white;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.preview-text h2 {
    font-size: 42px;
    margin-bottom: 24px;
    color: var(--primary-color);
    line-height: 1.3;
}

.preview-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 30px;
}

.btn-primary {
    display: inline-block;
    padding: 14px 40px;
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition);
}

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

.preview-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   Statistics Section
   =================================== */
.statistics {
    padding: 100px 0;
    background: var(--primary-color);
    color: white;
}

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

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

.stat-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 64px;
    color: var(--secondary-color);
    line-height: 1;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 16px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ===================================
   Page Header
   =================================== */
.page-header {
    margin-top: 80px;
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    text-align: center;
    color: white;
}

.header-content h1 {
    font-size: 56px;
    margin-bottom: 20px;
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 2px;
}

.header-content p {
    font-size: 18px;
    opacity: 0.9;
}

.header-label {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

/* ===================================
   Company Introduction
   =================================== */
.company-intro {
    padding: 100px 0;
}

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

.intro-text h2 {
    font-size: 42px;
    margin-bottom: 24px;
    color: var(--primary-color);
}

.lead {
    font-size: 20px;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 20px;
}

.intro-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.intro-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ===================================
   Vision & Mission
   =================================== */
.vision-mission {
    padding: 100px 0;
    background: var(--bg-light);
}

.vm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.vm-card {
    background: white;
    padding: 60px 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.vm-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    color: white;
}

.vm-card h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.vm-card p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.vm-card ul {
    list-style: none;
}

.vm-card li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    color: var(--text-light);
}

.vm-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* ===================================
   Core Values
   =================================== */
.core-values {
    padding: 100px 0;
}

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

.section-header h2 {
    font-size: 42px;
    color: var(--primary-color);
    margin-top: 10px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-item {
    background: var(--bg-light);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.value-item:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.value-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 48px;
    color: var(--secondary-color);
    margin-bottom: 16px;
}

.value-item h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.value-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===================================
   History Timeline
   =================================== */
.history {
    padding: 100px 0;
    background: var(--bg-light);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    position: relative;
}

.timeline-year {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 36px;
    color: var(--secondary-color);
    width: 100px;
    flex-shrink: 0;
}

.timeline-year::after {
    content: '';
    position: absolute;
    left: 95px;
    top: 10px;
    width: 16px;
    height: 16px;
    background: var(--secondary-color);
    border-radius: 50%;
    border: 4px solid var(--bg-light);
}

.timeline-content {
    flex: 1;
    padding: 20px 30px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.timeline-content h4 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.timeline-content p {
    color: var(--text-light);
}

/* ===================================
   Facilities Overview
   =================================== */
.facilities-overview {
    padding: 100px 0;
}

.overview-content h2 {
    font-size: 42px;
    margin-bottom: 24px;
    color: var(--primary-color);
    text-align: center;
}

.overview-content .lead {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.facility-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.facility-stat-item {
    text-align: center;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 12px;
}

.facility-stat-item h3 {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.stat-big {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 64px;
    color: var(--primary-color);
    line-height: 1;
}

.stat-big span {
    font-size: 32px;
    color: var(--secondary-color);
}

/* ===================================
   Equipment Section
   =================================== */
.equipment-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.equipment-category {
    margin-bottom: 80px;
}

.category-title {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 40px;
    padding-left: 20px;
    border-left: 4px solid var(--secondary-color);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.equipment-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.equipment-image {
    height: 300px;
    overflow: hidden;
}

.equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.equipment-card:hover .equipment-image img {
    transform: scale(1.1);
}

.equipment-info {
    padding: 30px;
}

.equipment-info h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.equipment-details {
    display: grid;
    gap: 12px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.detail-label {
    color: var(--text-light);
    font-size: 14px;
}

.detail-value {
    color: var(--text-dark);
    font-weight: 600;
}

/* ===================================
   Quality Control
   =================================== */
.quality-control {
    padding: 100px 0;
}

.qc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.qc-card {
    text-align: center;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
}

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

.qc-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    color: white;
}

.qc-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.qc-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.qc-count {
    display: inline-block;
    padding: 6px 16px;
    background: var(--secondary-color);
    color: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

/* ===================================
   Notice List
   =================================== */
.notice-list {
    padding: 100px 0;
}

.notice-container {
    max-width: 1000px;
    margin: 0 auto;
}

.notice-search {
    display: flex;
    gap: 10px;
    margin-bottom: 40px;
}

.notice-search input {
    flex: 1;
    padding: 14px 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: var(--transition);
}

.notice-search input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.search-btn {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--accent-color);
}

.notice-table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.notice-header {
    display: grid;
    grid-template-columns: 100px 1fr 120px 80px;
    gap: 20px;
    padding: 20px;
    background: var(--bg-light);
    font-weight: 600;
    color: var(--text-dark);
}

.notice-item {
    display: grid;
    grid-template-columns: 100px 1fr 120px 80px;
    gap: 20px;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.notice-item:hover {
    background: var(--bg-light);
}

.notice-col-num,
.notice-col-date,
.notice-col-views {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.notice-col-title {
    display: flex;
    align-items: center;
}

.notice-title {
    font-weight: 500;
    color: var(--text-dark);
}

.notice-badge {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.notice-badge.important {
    background: #ff4444;
    color: white;
}

.notice-badge.new {
    background: var(--accent-color);
    color: white;
}

/* ===================================
   Pagination
   =================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.page-btn,
.page-num {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-dark);
    transition: var(--transition);
}

.page-btn:hover,
.page-num:hover,
.page-num.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ===================================
   Notice Detail
   =================================== */
.notice-detail {
    padding: 100px 0;
}

.detail-container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.detail-header {
    padding: 40px;
    border-bottom: 2px solid var(--border-color);
}

.detail-title-wrap {
    margin-bottom: 20px;
}

.detail-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--secondary-color);
    color: white;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 16px;
}

.detail-title {
    font-size: 32px;
    color: var(--primary-color);
    line-height: 1.4;
}

.detail-meta {
    display: flex;
    gap: 30px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 14px;
}

.detail-content {
    padding: 40px;
    line-height: 1.8;
    color: var(--text-dark);
}

.detail-content p {
    margin-bottom: 20px;
}

.content-box {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
    margin: 30px 0;
}

.content-box h3 {
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.content-box ul {
    list-style: none;
}

.content-box li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-dark);
}

.content-box li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 20px;
}

.signature {
    margin-top: 40px;
    text-align: right;
    color: var(--text-light);
}

.detail-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--border-color);
}

.detail-nav-item {
    padding: 24px 30px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: var(--transition);
}

.detail-nav-item:first-child {
    border-right: 1px solid var(--border-color);
}

.detail-nav-item:hover {
    background: var(--bg-light);
}

.nav-label {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 600;
}

.nav-title {
    color: var(--text-dark);
}

.detail-actions {
    padding: 30px 40px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: var(--bg-light);
    color: var(--text-dark);
    font-weight: 600;
    border-radius: 6px;
    transition: var(--transition);
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-section h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 28px;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 16px;
}

.footer-section p,
.footer-section li {
    opacity: 0.8;
    margin-bottom: 8px;
}

.footer-section a {
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.6;
}

/* ===================================
   Animation Attributes
   =================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-left"].aos-animate {
    transform: rotateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="flip-left"] {
    transform: rotateY(-30deg);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: 40px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .slide-title {
        font-size: 42px;
    }
    
    .slide-subtitle {
        font-size: 16px;
    }
    
    .preview-content,
    .intro-content {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    
    .notice-header {
        display: none;
    }
    
    .notice-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .notice-col-num,
    .notice-col-date,
    .notice-col-views {
        justify-content: flex-start;
    }
    
    .detail-nav {
        grid-template-columns: 1fr;
    }
    
    .detail-nav-item:first-child {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 768px) {
    .slide-text {
        left: 5%;
        max-width: 90%;
    }
    
    .slide-title {
        font-size: 32px;
    }
    
    .slider-btn {
        width: 40px;
        height: 40px;
    }
    
    .slider-btn.prev {
        left: 10px;
    }
    
    .slider-btn.next {
        right: 10px;
    }
    
    .page-header h1 {
        font-size: 36px;
    }
    
    .vm-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 50px;
    }
    
    .timeline-year {
        width: 60px;
    }
    
    .timeline-year::after {
        left: 45px;
    }
}