/* ========================================
   UAV GUARDIANS 웹사이트 스타일시트
   ======================================== */

/* ========================================
   1. CSS 변수 정의
   ======================================== */
:root {
    /* 메인 컬러 */
    --primary-color: #0066cc;
    --primary-dark: #004d99;
    --primary-light: #3385d6;
    --secondary-color: #ff6b35;
    --accent-color: #00d4ff;
    
    /* 텍스트 컬러 */
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-white: #ffffff;
    
    /* 배경 컬러 */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #1a1a1a;
    --bg-darker: #0d0d0d;
    
    /* 그레이 스케일 */
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* 상태 컬러 */
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    /* 그림자 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    /* 타이포그래피 */
    --font-primary: 'Noto Sans KR', sans-serif;
    --font-heading: 'Rajdhani', sans-serif;
    
    /* 간격 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* 전환 효과 */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s ease;
    
    /* 테두리 반경 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-round: 50%;
    
    /* 컨테이너 */
    --container-max-width: 1200px;
    --container-padding: 2rem;
    
    /* 헤더 */
    --header-height: 80px;
}

/* ========================================
   2. 리셋 및 기본 스타일
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

/* ========================================
   3. 유틸리티 클래스
   ======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-2xl) 0;
}

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

.bg-dark {
    background-color: var(--bg-dark);
    color: var(--text-white);
}

.center {
    text-align: center;
}

/* ========================================
   4. 헤더 & 네비게이션
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 1);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* ========================================
   5. 히어로 섹션
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0066cc 0%, #004d99 100%);
    overflow: hidden;
    margin-top: var(--header-height);
}

.hero-with-image {
    background: #1a1a1a url('/images/hero-firefighting.jpg') center center / cover no-repeat;
}

.hero-with-image .hero-overlay {
    background: rgba(0, 0, 0, 0.4);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0,102,204,0.2) 0%, rgba(0,77,153,0.5) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-white);
    animation: fadeInUp 1s ease;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-title-main {
    font-size: 3rem;
    font-weight: 900;
    font-family: var(--font-heading);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-title-sub {
    font-size: 2rem;
    font-weight: 300;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.7);
    animation: bounce 2s infinite;
}

/* ========================================
   6. 버튼 스타일
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    font-size: 1rem;
}

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

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

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

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

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ========================================
   7. 섹션 헤더
   ======================================== */
.section-header {
    margin-bottom: 3rem;
}

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

.section-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.section-subtitle.light {
    color: var(--accent-color);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-title.light {
    color: var(--text-white);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.section-description.light {
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   8. 특징 섹션
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: var(--radius-round);
    font-size: 2rem;
}

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

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ========================================
   9. 제품 카드
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.product-image {
    position: relative;
    height: 300px;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.product-image.firefighting-equipment-img img {
    object-fit: cover;
    object-position: center 35%;
}

.product-image.lcac-image {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
}

.lcac-placeholder {
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.lcac-image-section {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.lcac-use-cases {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.lcac-advantages {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0,102,204,0.05), rgba(0,77,153,0.1));
    border-radius: var(--radius-lg);
}

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

.product-image.firefighting-equipment {
    background: linear-gradient(135deg, #ff6b35, #ff8c61);
}

.equipment-icon {
    font-size: 8rem;
    color: rgba(255, 255, 255, 0.9);
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
}

.product-badge.premium {
    background-color: var(--secondary-color);
}

.product-badge.special {
    background-color: var(--accent-color);
    color: var(--text-primary);
}

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

.product-name {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
}

.product-category {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.product-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
    flex: 1;
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features li i {
    color: var(--success-color);
    font-size: 1.125rem;
}

/* ========================================
   10. 통계 섹션
   ======================================== */
.stats {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ========================================
   11. CTA 섹션
   ======================================== */
.cta {
    background: linear-gradient(135deg, var(--gray-800), var(--gray-900));
    color: var(--text-white);
}

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

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* ========================================
   12. 푸터
   ======================================== */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-logo h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.8;
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links,
.footer-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 0.5rem;
}

.footer-info li {
    color: var(--gray-400);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.footer-info li i {
    color: var(--primary-light);
    margin-top: 0.25rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-700);
    color: var(--gray-500);
}

/* ========================================
   13. 스크롤 톱 버튼
   ======================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}

/* ========================================
   14. 애니메이션
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   15. 페이지 헤더
   ======================================== */
.page-header {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--text-white);
    margin-top: var(--header-height);
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
}

.page-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0,102,204,0.2) 0%, rgba(0,77,153,0.5) 100%);
}

.page-header .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    justify-content: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* ========================================
   16. 회사소개 페이지
   ======================================== */
.ceo-message {
    background-color: var(--bg-secondary);
}

.ceo-content {
    max-width: 900px;
    margin: 0 auto;
}

.ceo-intro {
    text-align: center;
    margin-bottom: 3rem;
}

.ceo-name-card {
    background-color: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.ceo-greeting {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.ceo-name {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.ceo-name strong {
    color: var(--primary-color);
    font-weight: 700;
}

.ceo-thanks {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.message-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.message-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.message-title i {
    font-size: 1.75rem;
}

.message-text {
    color: var(--text-primary);
    line-height: 1.9;
    margin-bottom: 1rem;
}

.message-list {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message-list li {
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.message-list strong {
    color: var(--primary-color);
}

.ceo-signature {
    text-align: right;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--gray-300);
}

.signature-position {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.signature-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.overview-card {
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.overview-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.overview-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.overview-content {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.business-areas {
    margin-top: 4rem;
    padding: 3rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
}

.business-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.business-card {
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.business-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-heading);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.business-card h4 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.business-card p {
    opacity: 0.9;
    line-height: 1.6;
}

.org-chart {
    max-width: 1000px;
    margin: 0 auto;
}

.org-image-container {
    margin-bottom: 3rem;
    text-align: center;
}

.org-chart-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.org-departments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.dept-card {
    padding: 1.5rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.dept-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.dept-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-round);
    font-size: 1.5rem;
    color: var(--text-white);
}

.dept-icon.blue {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.dept-icon.green {
    background: linear-gradient(135deg, #10b981, #059669);
}

.dept-icon.purple {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.dept-icon.orange {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.dept-icon.red {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.dept-name {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.dept-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.vision-mission {
    background: var(--bg-dark);
    color: var(--text-white);
}

.vm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.vm-card {
    padding: 3rem;
    background: linear-gradient(135deg, rgba(0,102,204,0.1), rgba(0,77,153,0.2));
    border-radius: var(--radius-lg);
    border: 2px solid rgba(0,212,255,0.3);
    text-align: center;
    transition: var(--transition);
}

.vm-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-10px);
}

.vm-icon {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 1.5rem;
}

.vm-title {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.vm-subtitle {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.vm-content {
    font-size: 1.125rem;
    line-height: 2;
    opacity: 0.9;
}

.vm-content strong {
    color: var(--accent-color);
    font-size: 1.25rem;
}

/* ========================================
   17. 제품소개 페이지
   ======================================== */
.product-nav {
    background-color: var(--bg-secondary);
    padding: 1.5rem 0;
    position: sticky;
    top: var(--header-height);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.product-nav-items {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.product-nav-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
}

.product-nav-item:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-detail-grid.reverse {
    direction: rtl;
}

.product-detail-grid.reverse > * {
    direction: ltr;
}

.product-detail-image {
    position: relative;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

.product-detail-image img {
    width: 100%;
    height: auto;
}

.product-badge-large {
    position: absolute;
    top: 2rem;
    right: 2rem;
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: var(--shadow-md);
}

.product-badge-large.premium {
    background-color: var(--secondary-color);
}

.product-category-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.product-category-tag.premium {
    background-color: var(--secondary-color);
}

.product-category-tag.special {
    background-color: var(--accent-color);
    color: var(--text-primary);
}

.product-detail-name {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin-bottom: 1rem;
}

.product-detail-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.product-specs {
    margin-bottom: 2rem;
}

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

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.spec-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.spec-info {
    display: flex;
    flex-direction: column;
}

.spec-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.spec-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-features-detail {
    margin-bottom: 2rem;
}

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

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.features-list li {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.features-list li i {
    font-size: 1.5rem;
    color: var(--success-color);
    flex-shrink: 0;
}

.features-list strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.features-list p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.product-applications {
    margin-bottom: 2rem;
}

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

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.application-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
}

.application-item:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-5px);
}

.application-item i {
    font-size: 2rem;
}

.product-cta {
    margin-top: 2rem;
}

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

.firefighting-hero {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: var(--radius-lg);
}

.firefighting-image {
    max-width: 500px;
    margin: 0 auto 2rem;
    background-color: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.firefighting-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    object-fit: cover;
    object-position: center 30%;
    max-height: 450px;
}

.firefighting-icon-large {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

.firefighting-hero h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.firefighting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.firefighting-card {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.firefighting-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: var(--radius-round);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.firefighting-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

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

.firefighting-specs {
    margin-top: 3rem;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.specs-table {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.spec-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    padding: 1rem;
    border-bottom: 1px solid var(--gray-300);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:nth-child(even) {
    background-color: var(--bg-primary);
}

.spec-row .spec-label {
    font-weight: 700;
    color: var(--primary-color);
}

.spec-row .spec-value {
    color: var(--text-primary);
}

.applications-large-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.application-large-item {
    padding: 2rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
}

.application-large-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.application-large-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.application-large-item h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.application-large-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.firefighting-advantages {
    margin-top: 3rem;
}

.advantages-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: center;
}

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

.advantage-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.advantage-item i {
    font-size: 1.5rem;
    color: var(--success-color);
    flex-shrink: 0;
}

.integrated-solution {
    background: var(--bg-dark);
    color: var(--text-white);
}

.solution-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.solution-step {
    position: relative;
    text-align: center;
    flex: 1;
    min-width: 200px;
}

.solution-number {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--accent-color);
    color: var(--text-primary);
    border-radius: var(--radius-round);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
}

.solution-icon {
    width: 100px;
    height: 100px;
    margin: 2rem auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-round);
    font-size: 2.5rem;
}

.solution-step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.solution-step p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.solution-arrow {
    font-size: 2rem;
    color: var(--accent-color);
    opacity: 0.5;
}

/* ========================================
   18. 문의하기 페이지
   ======================================== */
.contact-intro {
    background-color: var(--bg-secondary);
}

.contact-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-type-card {
    padding: 2rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.contact-type-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.contact-type-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    border-radius: var(--radius-round);
    font-size: 2rem;
}

.contact-type-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.contact-type-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-form-container {
    background-color: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-header {
    margin-bottom: 2rem;
}

.form-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.form-header p {
    color: var(--text-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group label i {
    color: var(--primary-color);
}

.required {
    color: var(--danger-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-notice i {
    color: var(--info-color);
    font-size: 1.125rem;
    flex-shrink: 0;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background-color: var(--success-color);
    color: var(--text-white);
}

.form-message.error {
    display: block;
    background-color: var(--danger-color);
    color: var(--text-white);
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-card {
    padding: 2rem;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.info-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-200);
}

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

.info-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    flex-shrink: 0;
}

.info-content h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.info-content p {
    font-weight: 600;
    color: var(--text-primary);
}

.business-hours {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hours-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.hours-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.hours-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.hours-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-top: 1rem;
    padding: 1rem;
    background-color: var(--gray-100);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.contact-notice i {
    color: var(--warning-color);
    font-size: 1.125rem;
    flex-shrink: 0;
}

.inquiry-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.inquiry-search {
    display: flex;
    gap: 0.75rem;
    flex: 1;
}

.inquiry-search input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

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

.inquiry-filter select {
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: var(--bg-primary);
    cursor: pointer;
}

.inquiry-filter select:focus {
    border-color: var(--primary-color);
    outline: none;
}

.inquiry-table-container {
    overflow-x: auto;
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

.inquiry-table thead {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.inquiry-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.inquiry-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.inquiry-table tbody tr:hover {
    background-color: var(--bg-secondary);
}

.inquiry-table tbody tr:last-child td {
    border-bottom: none;
}

.inquiry-table .no-data {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.inquiry-table .no-data i {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination button {
    padding: 0.5rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.pagination button:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.pagination button.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.map-section {
    height: 400px;
}

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

.map-overlay {
    position: absolute;
    top: 2rem;
    left: 2rem;
    z-index: 10;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
}

.map-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.map-info p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.map-info i {
    color: var(--primary-color);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--gray-200);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.map-placeholder i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.category-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

/* ========================================
   19. 반응형 디자인
   ======================================== */
@media (max-width: 1024px) {
    .container {
        --container-padding: 1.5rem;
    }
    
    .hero-title-main {
        font-size: 2.5rem;
    }
    
    .hero-title-sub {
        font-size: 1.75rem;
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-detail-grid.reverse {
        direction: ltr;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
    }
    
    .vm-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-flow {
        flex-direction: column;
    }
    
    .solution-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 0;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--gray-200);
    }
    
    .nav-link {
        display: block;
        padding: 1rem 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero-title-main {
        font-size: 2rem;
    }
    
    .hero-title-sub {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .spec-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .inquiry-controls {
        flex-direction: column;
    }
    
    .inquiry-search {
        width: 100%;
    }
    
    .inquiry-filter {
        width: 100%;
    }
    
    .inquiry-filter select {
        width: 100%;
    }
    
    .map-overlay {
        position: static;
        max-width: 100%;
        margin: 1rem;
    }
}

@media (max-width: 480px) {
    .logo-text {
        display: none;
    }
    
    .hero-title-main {
        font-size: 1.5rem;
    }
    
    .hero-title-sub {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-title {
        font-size: 1.75rem;
    }
    
    .product-detail-name {
        font-size: 2rem;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .org-departments {
        grid-template-columns: 1fr;
    }
    
    .firefighting-grid {
        grid-template-columns: 1fr;
    }
    
    .applications-large-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .scroll-top {
        width: 45px;
        height: 45px;
        bottom: 1rem;
        right: 1rem;
    }
}

/* ========================================
   20. 인쇄 스타일
   ======================================== */
@media print {
    .header,
    .nav,
    .hero-scroll,
    .scroll-top,
    .cta,
    .footer {
        display: none;
    }
    
    .hero {
        margin-top: 0;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
}