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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 25%, #0f0f0f 50%, #1a1a1a 75%, #0a0a0a 100%);
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(26, 26, 26, 0.95) 25%, rgba(15, 15, 15, 0.95) 50%, rgba(26, 26, 26, 0.95) 75%, rgba(10, 10, 10, 0.95) 100%);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.7);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
}

.header .container {
    position: relative;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.slogan {
    font-size: 14px;
    color: #ffffff;
    font-weight: 300;
}

.header-buttons {
    display: flex;
    gap: 10px;
}

.btn-quote {
    background-color: #1a1a1a;
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-quote:hover {
    background-color: #333333;
}

.btn-customer {
    background: linear-gradient(135deg, #333333 0%, #444444 100%);
    color: #ffffff;
    border: 1px solid rgba(255, 215, 0, 0.2);
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.btn-customer:hover {
    background: linear-gradient(135deg, #444444 0%, #555555 100%);
    border-color: rgba(255, 215, 0, 0.4);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.1);
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #333333 0%, #444444 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    border-radius: 4px;
    border: 1px solid rgba(255, 215, 0, 0.2);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
    margin-left: 10px;
}

.navigation ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.navigation a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 400;
    transition: color 0.3s ease;
}

.navigation a:hover {
    color: #ffd700;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(26, 26, 26, 0.95) 100%);
    backdrop-filter: blur(10px);
    min-width: 120px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(255, 215, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    list-style: none;
    padding: 8px 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 8px 16px;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    border-radius: 4px;
    margin: 2px 8px;
}

.dropdown-menu a:hover {
    background-color: rgba(255, 215, 0, 0.1);
    color: #ffd700;
    transform: translateX(4px);
}

/* Main Content */
.main {
    margin-top: 120px;
}

@media (max-width: 768px) {
    .main {
        margin-top: 70px;
    }
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-color: #1a1a1a; /* Fallback background color */
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.4) 0%, rgba(26, 26, 26, 0.3) 25%, rgba(15, 15, 15, 0.4) 50%, rgba(26, 26, 26, 0.3) 75%, rgba(10, 10, 10, 0.4) 100%);
    z-index: 1;
}

.hero-slide::after {
    content: '이미지 로딩 중...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.5);
    font-size: 16px;
    z-index: 2;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.hero-slide[style*="--image-loaded: 1"]::after,
.hero-slide[style*="--loading-complete: 1"]::after {
    opacity: 0;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.5) 0%, rgba(26, 26, 26, 0.4) 25%, rgba(15, 15, 15, 0.5) 50%, rgba(26, 26, 26, 0.4) 75%, rgba(10, 10, 10, 0.5) 100%);
    z-index: 2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 215, 0, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(255, 215, 0, 0.01) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 0%, rgba(255, 215, 0, 0.02) 25%, transparent 50%, rgba(255, 215, 0, 0.01) 75%, transparent 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: left;
    max-width: 600px;
}

.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background-color: #ffd700;
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.indicator:hover {
    background-color: rgba(255, 215, 0, 0.7);
}

.hero-title {
    font-size: 35px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    color: #ffffff;
}

.hero-description {
    font-size: 18px;
    font-weight: 300;
    margin-bottom: 40px;
    color: #ffffff;
    opacity: 0.9;
}

.highlight-yellow {
    color: #ffd700 !important;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
    opacity: 1 !important;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, #333333 0%, #444444 100%);
    color: #ffffff;
    border: 1px solid rgba(255, 215, 0, 0.3);
    padding: 15px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #444444 0%, #555555 100%);
    border-color: rgba(255, 215, 0, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.1);
}

.btn-secondary {
    background-color: #1a1a1a;
    color: #ffffff;
    border: none;
    padding: 15px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #333333;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn-tertiary {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, rgba(255, 215, 0, 0.08) 100%);
    color: #ffd700;
    border: 1px solid rgba(255, 215, 0, 0.3);
    padding: 15px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.1);
}

.btn-tertiary:hover {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.25) 0%, rgba(255, 215, 0, 0.15) 100%);
    border-color: rgba(255, 215, 0, 0.5);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.2);
}

/* Section Styles */
.section {
    padding: 80px 0;
    background-image: url('images/배경화면1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
}

.section:nth-child(even) {
    background-image: url('images/배경화면1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 10%, rgba(255, 215, 0, 0.01) 0%, transparent 50%),
        radial-gradient(circle at 90% 90%, rgba(255, 215, 0, 0.01) 0%, transparent 50%);
    pointer-events: none;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
    position: relative;
    z-index: 2;
    text-shadow: 0 0 20px rgba(255, 215, 0, 0.1);
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 담장용 섹션에서 5개 제품을 위한 특별 스타일 */
#fence .products-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 첫 번째 줄: 제품1, 제품2 (각각 3칸씩) */
#fence .products-grid .product-card:nth-child(1),
#fence .products-grid .product-card-image-only:nth-child(1) {
    grid-column: 1 / 4;
    grid-row: 1 / 2;
}

#fence .products-grid .product-card:nth-child(2),
#fence .products-grid .product-card-image-only:nth-child(2) {
    grid-column: 4 / 7;
    grid-row: 1 / 2;
}

/* 두 번째 줄: 제품3, 제품4, 제품5 (각각 2칸씩) */
#fence .products-grid .product-card:nth-child(3),
#fence .products-grid .product-card-image-only:nth-child(3) {
    grid-column: 1 / 3;
    grid-row: 2 / 3;
}

#fence .products-grid .product-card:nth-child(4),
#fence .products-grid .product-card-image-only:nth-child(4) {
    grid-column: 3 / 5;
    grid-row: 2 / 3;
}

#fence .products-grid .product-card:nth-child(5),
#fence .products-grid .product-card-image-only:nth-child(5) {
    grid-column: 5 / 7;
    grid-row: 2 / 3;
}

/* 기타 개비온블록 섹션에서 5개 제품을 위한 특별 스타일 */
#etc .products-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* 첫 번째 줄: 제품1, 제품2 (각각 3칸씩) */
#etc .products-grid .product-card:nth-child(1),
#etc .products-grid .product-card-image-only:nth-child(1) {
    grid-column: 1 / 4;
    grid-row: 1 / 2;
}

#etc .products-grid .product-card:nth-child(2),
#etc .products-grid .product-card-image-only:nth-child(2) {
    grid-column: 4 / 7;
    grid-row: 1 / 2;
}

/* 두 번째 줄: 제품3, 제품4, 제품5 (각각 2칸씩) */
#etc .products-grid .product-card:nth-child(3),
#etc .products-grid .product-card-image-only:nth-child(3) {
    grid-column: 1 / 3;
    grid-row: 2 / 3;
}

#etc .products-grid .product-card:nth-child(4),
#etc .products-grid .product-card-image-only:nth-child(4) {
    grid-column: 3 / 5;
    grid-row: 2 / 3;
}

#etc .products-grid .product-card:nth-child(5),
#etc .products-grid .product-card-image-only:nth-child(5) {
    grid-column: 5 / 7;
    grid-row: 2 / 3;
}

@media (max-width: 768px) {
    #fence .products-grid,
    #etc .products-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    
    #fence .products-grid .product-card:nth-child(1),
    #fence .products-grid .product-card:nth-child(2),
    #fence .products-grid .product-card:nth-child(3),
    #fence .products-grid .product-card:nth-child(4),
    #fence .products-grid .product-card:nth-child(5),
    #fence .products-grid .product-card-image-only:nth-child(1),
    #fence .products-grid .product-card-image-only:nth-child(2),
    #fence .products-grid .product-card-image-only:nth-child(3),
    #fence .products-grid .product-card-image-only:nth-child(4),
    #fence .products-grid .product-card-image-only:nth-child(5),
    #etc .products-grid .product-card:nth-child(1),
    #etc .products-grid .product-card:nth-child(2),
    #etc .products-grid .product-card:nth-child(3),
    #etc .products-grid .product-card:nth-child(4),
    #etc .products-grid .product-card:nth-child(5),
    #etc .products-grid .product-card-image-only:nth-child(1),
    #etc .products-grid .product-card-image-only:nth-child(2),
    #etc .products-grid .product-card-image-only:nth-child(3),
    #etc .products-grid .product-card-image-only:nth-child(4),
    #etc .products-grid .product-card-image-only:nth-child(5) {
        grid-column: 1;
        grid-row: auto;
    }
}

.product-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 215, 0, 0.1);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.2);
}

.product-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #333333, #444444);
    border-radius: 8px;
    margin-bottom: 20px;
    position: relative;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.product-image::after {
    content: '이미지';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* Hide placeholder text when background image is set */
.product-image[style*="background-image"]::after,
.case-image[style*="background-image"]::after {
    display: none;
}

.product-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.product-size {
    color: #ffd700 !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    margin-bottom: 10px !important;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.product-description {
    color: rgba(255, 255, 255, 0.8) !important;
    font-size: 14px !important;
    margin-bottom: 15px !important;
    line-height: 1.5;
}

.product-price {
    color: #ffd700 !important;
    font-size: 18px !important;
    font-weight: 700 !important;
    margin-bottom: 0 !important;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.product-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* Product Detail Page Styles */
.page-hero {
    background-image: url('images/배경화면1.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
}

/* 제품소개 페이지 전용 배경 */
.page-hero.products-hero {
    background-image: url('images/히어로4.jpg');
}

/* 시공사례 페이지 전용 배경 */
.page-hero.cases-hero {
    background-image: url('images/배경화면1.png');
    background-size: 33.33% 43.33%;
    background-position: calc(50% - 10cm) 30%;
    padding: 145px 0 109px;
    position: relative;
}

.page-hero.cases-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.page-hero.cases-hero .container {
    position: relative;
    z-index: 2;
}

/* 시공사례 페이지 텍스트 스타일 */
.page-hero.cases-hero .page-title {
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.page-hero.cases-hero .page-subtitle {
    color: #ffffff;
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    display: block;
    box-shadow: none;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.8);
}

/* 회사소개 페이지 전용 배경 */
.page-hero.company-hero {
    background-image: url('images/회사소개배경.jpg');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
    background-attachment: fixed;
    padding: 120px 0 90px;
}

/* 회사소개 페이지 텍스트 스타일 */
.page-hero.company-hero .page-title {
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
}

.page-hero.company-hero .page-subtitle {
    color: #000000;
    text-shadow: 1px 1px 3px rgba(255, 255, 255, 0.8);
}

/* 대표 인사 섹션 */
.ceo-section {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    width: 100%;
}

.ceo-image {
    text-align: center;
}

.ceo-photo {
    width: 100%;
    max-width: 300px;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    border: 3px solid #ffd700;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
}

.ceo-info h3 {
    color: #ffd700;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.ceo-name {
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.ceo-message {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 40px;
    border-radius: 15px;
    border: 2px solid #333;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 1000px;
}

.ceo-message h3 {
    color: #ffd700;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 25px;
    text-align: center;
}

.message-content p {
    color: #ffffff;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.signature {
    text-align: right !important;
    font-weight: 600;
    color: #ffd700 !important;
    margin-top: 30px !important;
}

/* 비전 그리드 */
.vision-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.vision-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 2px solid #333;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.vision-card:hover {
    transform: translateY(-5px);
    border-color: #ffd700;
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.2);
}

.vision-icon {
    font-size: 60px;
    margin-bottom: 25px;
    display: block;
}

.vision-card h3 {
    color: #ffd700;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.vision-card p {
    color: #ffffff;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.vision-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.vision-card ul li {
    color: #cccccc;
    font-size: 14px;
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.vision-card ul li:before {
    content: "✓";
    color: #ffd700;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

/* 사업 영역 그리드 */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.business-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid #333;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.business-card:hover {
    transform: translateY(-5px);
    border-color: #ffd700;
    box-shadow: 0 12px 35px rgba(255, 215, 0, 0.2);
}

.business-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.business-content {
    padding: 30px;
}

.business-content h3 {
    color: #ffd700;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
}

.business-content p {
    color: #ffffff;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.business-features {
    list-style: none;
    padding: 0;
}

.business-features li {
    color: #cccccc;
    font-size: 14px;
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.business-features li:before {
    content: "▸";
    color: #ffd700;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

/* 협력사 섹션 */
.partners-slider {
    overflow: hidden;
    white-space: nowrap;
    margin-top: 40px;
    background: #ffffff;
    border-radius: 15px;
    padding: 30px 0;
    border: 2px solid #e0e0e0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.partners-track {
    display: inline-flex;
    animation: scroll-left 30s linear infinite;
    align-items: center;
}

.partner-item {
    flex: 0 0 auto;
    margin: 0 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-item img {
    height: 80px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    filter: grayscale(100%) opacity(0.7);
    transition: all 0.3s ease;
}

.partner-item img:hover {
    filter: grayscale(0%) opacity(1);
    transform: scale(1.1);
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 협력사 섹션 hover 시 애니메이션 일시정지 */
.partners-slider:hover .partners-track {
    animation-play-state: paused;
}

/* 시공사례 섹션 배경 */
#cases {
    background-color: rgba(255, 255, 255, 0.03);
    position: relative;
}

#cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
}

/* 제작과정 섹션 배경 */
#catalog {
    background-color: rgba(255, 255, 255, 0.03);
    position: relative;
}

#catalog::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
}

/* 담장용 개비온블록 섹션 배경 */
#fence {
    background-color: rgba(255, 255, 255, 0.03);
    position: relative;
}

#fence::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
}

/* 강자갈 섹션 배경 */
#gravel {
    background-color: rgba(255, 255, 255, 0.03);
    position: relative;
}

#gravel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
}

/* 회사소개 페이지 - 품질 인증 및 특징 섹션 배경 */
.company-hero ~ .features-section {
    background-color: rgba(255, 255, 255, 0.03);
    position: relative;
}

.company-hero ~ .features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
}

/* 회사소개 페이지 - 경영 철학 섹션 배경 */
.company-hero ~ .product-section:last-of-type {
    background-color: rgba(255, 255, 255, 0.03);
    position: relative;
}

.company-hero ~ .product-section:last-of-type::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.02);
    pointer-events: none;
}

/* 관리자 페이지 스타일 */
.admin-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    position: relative;
}

.admin-badge {
    display: inline-block;
    background: linear-gradient(45deg, #ffd700, #ffed4a);
    color: #000;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-top: 15px;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.admin-section {
    padding: 80px 0;
    background-color: rgba(255, 255, 255, 0.02);
}

.admin-section:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.05);
}

/* 관리자 정보 카드 */
.admin-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.admin-info-card {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.admin-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.info-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.admin-info-card h3 {
    color: #ffd700;
    font-size: 20px;
    margin-bottom: 15px;
}

.admin-info-card p {
    color: #ffffff;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
}

.info-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-details span {
    color: #cccccc;
    font-size: 14px;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

/* 사업 통계 */
.business-stats {
    margin-top: 40px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.stat-card {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: #ffd700;
    margin-bottom: 10px;
}

.stat-label {
    color: #ffffff;
    font-size: 16px;
    margin-bottom: 10px;
}

.stat-trend {
    font-size: 14px;
    font-weight: 600;
}

.stat-trend.up {
    color: #4ade80;
}

.stat-trend.stable {
    color: #94a3b8;
}

/* 재무 정보 */
.financial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.financial-card {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.financial-card h3 {
    color: #ffd700;
    font-size: 18px;
    margin-bottom: 15px;
}

.amount {
    font-size: 28px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.growth {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.growth.positive {
    color: #4ade80;
}

.chart-placeholder {
    font-size: 40px;
    text-align: center;
    opacity: 0.7;
}

/* 인력 현황 */
.department-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.dept-card {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.dept-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.dept-card h3 {
    color: #ffd700;
    font-size: 18px;
    margin-bottom: 10px;
}

.dept-count {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 15px;
}

.dept-list {
    list-style: none;
    padding: 0;
}

.dept-list li {
    color: #cccccc;
    font-size: 14px;
    padding: 5px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dept-list li:last-child {
    border-bottom: none;
}

.total-employees {
    text-align: center;
    margin-top: 40px;
    padding: 25px;
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    border: 2px solid rgba(255, 215, 0, 0.2);
}

.total-count {
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.employee-note {
    color: #888888;
    font-size: 14px;
}

/* 시설 현황 */
.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.facility-card {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.facility-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    background-color: #333333;
}

.facility-card h3 {
    color: #ffd700;
    font-size: 18px;
    margin: 20px 20px 15px;
}

.facility-specs {
    padding: 0 20px 20px;
}

.facility-specs p {
    color: #cccccc;
    font-size: 14px;
    margin: 8px 0;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
}

/* 보안 경고 */
.admin-warning {
    padding: 40px 0;
    background: rgba(220, 38, 38, 0.1);
}

.warning-box {
    display: flex;
    align-items: center;
    gap: 20px;
    background: linear-gradient(145deg, #2a1a1a, #1a1a1a);
    border: 2px solid rgba(220, 38, 38, 0.3);
    border-radius: 15px;
    padding: 25px;
}

.warning-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.warning-content h3 {
    color: #fbbf24;
    font-size: 18px;
    margin-bottom: 10px;
}

.warning-content p {
    color: #cccccc;
    font-size: 14px;
    line-height: 1.5;
    margin: 5px 0;
}

/* 로그인 모달 스타일 */
.login-modal-content {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 0;
    max-width: 400px;
    width: 90%;
    border: 2px solid rgba(255, 215, 0, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.login-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.login-header h3 {
    color: #ffd700;
    font-size: 20px;
    margin: 0;
}

.close-modal {
    background: none;
    border: none;
    color: #cccccc;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.close-modal:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.login-form {
    padding: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: #ffffff;
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #ffd700;
    background: rgba(255, 255, 255, 0.08);
}

.form-group input::placeholder {
    color: #888888;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.btn-login, .btn-cancel {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login {
    background: linear-gradient(45deg, #ffd700, #ffed4a);
    color: #000000;
}

.btn-login:hover {
    background: linear-gradient(45deg, #ffed4a, #ffd700);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.1);
    color: #cccccc;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
}

/* 관리자 메뉴 활성화 상태 */
.nav-menu .admin-menu-item a.active {
    color: #ffd700;
    font-weight: 600;
}

/* 회사 소개 섹션 */
.company-intro-content {
    margin-top: 40px;
}

.intro-main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.intro-text h3 {
    color: #ffd700;
    font-size: 24px;
    margin-bottom: 20px;
}

.intro-text p {
    color: #cccccc;
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 16px;
}

.intro-image {
    position: relative;
}

.intro-img-placeholder {
    height: 300px;
    background-size: cover;
    background-position: center;
    border-radius: 15px;
    background-color: #333333;
}

/* 제작 과정 섹션 */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.process-card {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.1);
    position: relative;
    transition: transform 0.3s ease;
}

.process-card:hover {
    transform: translateY(-5px);
}

.process-number {
    position: absolute;
    top: -15px;
    left: 20px;
    background: linear-gradient(45deg, #ffd700, #ffed4a);
    color: #000;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.process-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.process-card h3 {
    color: #ffd700;
    font-size: 18px;
    margin-bottom: 15px;
}

.process-card p {
    color: #cccccc;
    line-height: 1.6;
    font-size: 14px;
}

.process-summary {
    text-align: center;
    margin-top: 40px;
    padding: 25px;
    background: rgba(255, 215, 0, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

.process-summary p {
    color: #ffffff;
    font-size: 16px;
    font-weight: 500;
}

/* 납품 과정 섹션 */
.delivery-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.flow-step {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.1);
    flex: 1;
    min-width: 200px;
    max-width: 250px;
}

.step-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.flow-step h3 {
    color: #ffd700;
    font-size: 16px;
    margin-bottom: 10px;
}

.flow-step p {
    color: #cccccc;
    font-size: 14px;
    line-height: 1.5;
}

.flow-arrow {
    color: #ffd700;
    font-size: 24px;
    font-weight: bold;
}

.delivery-note {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 215, 0, 0.05);
    border-radius: 10px;
}

.delivery-note p {
    color: #ffffff;
    font-size: 16px;
}

/* 시공 과정 섹션 */
.construction-steps {
    margin-top: 40px;
}

.step-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    margin-bottom: 40px;
    align-items: center;
}

.step-item:nth-child(even) {
    grid-template-columns: 1fr 300px;
}

.step-item:nth-child(even) .step-content {
    order: -1;
}

.step-visual {
    position: relative;
}

.step-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    border-radius: 15px;
    background-color: #333333;
}

.step-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(45deg, #ffd700, #ffed4a);
    color: #000;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.step-content h3 {
    color: #ffd700;
    font-size: 20px;
    margin-bottom: 15px;
}

.step-content p {
    color: #cccccc;
    line-height: 1.7;
    font-size: 16px;
}

.construction-note {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: rgba(255, 215, 0, 0.05);
    border-radius: 10px;
}

.construction-note p {
    color: #ffffff;
    font-size: 16px;
}

/* 적용 사례 섹션 */
.application-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.case-category {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 30px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    text-align: center;
}

.category-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.case-category h3 {
    color: #ffd700;
    font-size: 18px;
    margin-bottom: 20px;
}

.case-category ul {
    list-style: none;
    padding: 0;
}

.case-category li {
    color: #cccccc;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
}

.case-category li:last-child {
    border-bottom: none;
}

/* 제품 특징 섹션 */
.product-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.feature-item {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.feature-item h3 {
    color: #ffffff;
    font-size: 16px;
    margin-bottom: 10px;
}

.feature-item p {
    color: #cccccc;
    font-size: 14px;
    line-height: 1.5;
}

/* 회사 강점 섹션 */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.strength-card {
    background: linear-gradient(145deg, #2a2a2a, #1a1a1a);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.1);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 215, 0, 0.1);
}

.strength-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.strength-card h3 {
    color: #ffffff;
    font-size: 18px;
    margin-bottom: 15px;
}

.strength-card p {
    color: #cccccc;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
}

.strength-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(45deg, #ffd700, #ffed4a);
    color: #000;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 600;
}

/* SEO 키워드 섹션 */
.seo-strategy {
    margin-top: 40px;
}

.keyword-group {
    margin-bottom: 30px;
}

.keyword-group h3 {
    color: #ffd700;
    font-size: 18px;
    margin-bottom: 15px;
}

.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.keyword-tag {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: transform 0.2s ease;
}

.keyword-tag:hover {
    transform: scale(1.05);
}

.keyword-tag.main {
    background: linear-gradient(45deg, #ffd700, #ffed4a);
    color: #000;
    font-weight: 600;
}

.keyword-tag.sub {
    background: rgba(255, 215, 0, 0.1);
    color: #ffd700;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

/* 푸터 관리자 로그인 버튼 */
.admin-access {
    margin-top: 20px;
    text-align: right;
}

.admin-login-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #888888;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.admin-login-btn:hover {
    background: rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.3);
    color: #ffd700;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.2);
}

.admin-login-btn:active {
    transform: translateY(0);
}

/* Contact Section */
.contact-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

.btn-contact-inquiry,
.btn-contact-phone {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3) 0%, rgba(255, 237, 74, 0.3) 100%);
    border: 1px solid rgba(255, 215, 0, 0.4);
    border-radius: 15px;
    padding: 25px 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
    text-decoration: none;
    color: #ffffff;
    display: block;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.btn-contact-inquiry:hover,
.btn-contact-phone:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
    background: linear-gradient(135deg, rgba(255, 237, 74, 0.4) 0%, rgba(255, 215, 0, 0.4) 100%);
    border-color: rgba(255, 215, 0, 0.6);
}

.btn-contact-inquiry:active,
.btn-contact-phone:active {
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 36px;
    margin-bottom: 15px;
    display: block;
}

.btn-contact-inquiry h3,
.btn-contact-phone h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: #ffffff;
}

/* Contact Section 반응형 */
@media (max-width: 768px) {
    .contact-buttons {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .btn-contact-inquiry,
    .btn-contact-phone {
        padding: 20px 25px;
    }
    
    .contact-icon {
        font-size: 30px;
        margin-bottom: 10px;
    }
    
    .btn-contact-inquiry h3,
    .btn-contact-phone h3 {
        font-size: 18px;
    }
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .ceo-section {
        flex-direction: column;
        align-items: center;
    }
    
    .ceo-photo {
        max-width: 250px;
        height: 320px;
    }
    
    .ceo-message {
        padding: 25px;
    }
    
    .ceo-message h3 {
        font-size: 20px;
    }
    
    .message-content p {
        font-size: 14px;
    }
    
    .vision-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    @media (max-width: 480px) {
        .vision-grid {
            grid-template-columns: 1fr;
        }
    }
    
    .business-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .company-info-card,
    .vision-card,
    .business-content {
        padding: 20px;
    }
    
    .vision-icon {
        font-size: 48px;
    }
    
    .business-image {
        height: 150px;
    }
    
    .partner-item {
        margin: 0 20px;
    }
    
    .partner-item img {
        height: 60px;
        max-width: 100px;
    }
    
    .partners-slider {
        padding: 20px 0;
    }
    
    /* 모바일에서 관리자 버튼 조정 */
    .admin-access {
        text-align: center;
        margin-top: 15px;
    }
    
    .admin-login-btn {
        font-size: 11px;
        padding: 6px 12px;
    }
    
    /* 관리자 페이지 모바일 반응형 */
    .intro-main {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .intro-img-placeholder {
        height: 200px;
    }
    
    .process-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .delivery-flow {
        flex-direction: column;
        gap: 15px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .step-item {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }
    
    .step-item:nth-child(even) {
        grid-template-columns: 1fr;
    }
    
    .step-item:nth-child(even) .step-content {
        order: 0;
    }
    
    .step-image {
        height: 150px;
    }
    
    .application-cases {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .product-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .keyword-tags {
        justify-content: center;
    }
}

/* MOBILE TOP MENU BAR - SIMPLE AND VISIBLE */
@media screen and (max-width: 1024px) {
    /* CRITICAL: Force header and navigation to be visible */
    .header {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .header .container {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .header-main {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navigation,
    .mobile-hidden,
    nav {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .nav-menu {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .nav-menu li {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .nav-menu li a {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* Mobile header styling - ALWAYS VISIBLE */
    .header {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: #1a1a1a !important;
        border-bottom: 3px solid #ffd700 !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        z-index: 9999 !important;
        padding: 15px 0 !important;
        margin: 0 !important;
        height: auto !important;
        min-height: 80px !important;
    }
    
    .header .container {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        max-width: 100% !important;
        padding: 0 15px !important;
        width: 100% !important;
        height: auto !important;
    }
    
    /* Mobile header layout - two rows - FORCE VISIBLE */
    .header-main {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        padding: 15px 0 10px 0 !important;
        position: relative !important;
        gap: 15px !important;
        width: 100% !important;
        height: auto !important;
        min-height: 70px !important;
    }
    
    /* Logo styling for mobile - FORCE VISIBLE */
    .logo {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        align-items: center !important;
        gap: 8px !important;
        text-decoration: none !important;
        color: #ffffff !important;
        font-weight: 600 !important;
        font-size: 18px !important;
        z-index: 10000 !important;
    }
    
    .logo-icon {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 32px !important;
        height: 32px !important;
        background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%) !important;
        color: #1a1a1a !important;
        border-radius: 8px !important;
        align-items: center !important;
        justify-content: center !important;
        font-weight: 700 !important;
    }
    
    .logo-image {
        height: 32px !important;
        width: auto !important;
        object-fit: contain !important;
        margin-left: 8px !important;
        font-size: 14px !important;
        box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3) !important;
    }
    
    .logo-text {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        font-size: 18px !important;
        font-weight: 600 !important;
        color: #ffffff !important;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3) !important;
    }
    
    /* Hide hamburger menu completely */
    .mobile-menu-toggle {
        display: none !important;
    }
    
    /* Mobile top menu bar - FORCE VISIBLE */
    .navigation,
    .mobile-hidden,
    nav {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: static !important;
        width: 100% !important;
        background: none !important;
        box-shadow: none !important;
        border: none !important;
        height: auto !important;
        max-height: none !important;
        overflow: visible !important;
        z-index: 9998 !important;
    }
    
    /* Mobile menu bar styling - FORCE VISIBLE */
    .navigation .nav-menu,
    .mobile-hidden .nav-menu,
    nav .nav-menu {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        flex-direction: row !important;
        justify-content: center !important;
        align-items: center !important;
        flex-wrap: wrap !important;
        margin: 0 !important;
        list-style: none !important;
        width: 100% !important;
        gap: 8px !important;
        background: rgba(255, 215, 0, 0.05) !important;
        border-radius: 25px !important;
        border: 1px solid rgba(255, 215, 0, 0.2) !important;
        padding: 8px 15px !important;
        height: auto !important;
        min-height: 40px !important;
    }
    
    .navigation .nav-menu li,
    .mobile-hidden .nav-menu li,
    nav .nav-menu li {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: auto !important;
        border: none !important;
        text-align: center !important;
        margin: 0 !important;
        flex: 1 !important;
        height: auto !important;
    }
    
    /* Mobile menu buttons - FORCE VISIBLE */
    .navigation .nav-menu li a,
    .mobile-hidden .nav-menu li a,
    nav .nav-menu li a {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        padding: 10px 16px !important;
        color: #ffffff !important;
        text-decoration: none !important;
        font-size: 13px !important;
        font-weight: 500 !important;
        transition: all 0.3s ease !important;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%) !important;
        border: 1px solid rgba(255, 255, 255, 0.2) !important;
        border-radius: 18px !important;
        white-space: nowrap !important;
        text-align: center !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
        backdrop-filter: blur(5px) !important;
        min-height: 36px !important;
        align-items: center !important;
        justify-content: center !important;
        width: 100% !important;
        height: auto !important;
        z-index: 9997 !important;
    }
    
    .navigation .nav-menu li a:hover,
    .mobile-hidden .nav-menu li a:hover,
    nav .nav-menu li a:hover {
        background: linear-gradient(135deg, rgba(255, 215, 0, 0.3) 0%, rgba(255, 215, 0, 0.2) 100%) !important;
        color: #ffd700 !important;
        border-color: rgba(255, 215, 0, 0.5) !important;
        box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3) !important;
        transform: translateY(-1px) !important;
    }
    
    /* Active menu item */
    .navigation .nav-menu li a.active,
    .mobile-hidden .nav-menu li a.active,
    nav .nav-menu li a.active {
        background: linear-gradient(135deg, rgba(255, 215, 0, 0.4) 0%, rgba(255, 215, 0, 0.3) 100%) !important;
        color: #ffd700 !important;
        border-color: rgba(255, 215, 0, 0.6) !important;
        box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4) !important;
    }
    
    /* Hide dropdown menus completely in mobile */
    .dropdown-menu {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        height: 0 !important;
        overflow: hidden !important;
    }
    
    /* Add top margin to main content to avoid header overlap */
    .main {
        margin-top: 100px !important;
        padding-top: 20px !important;
    }
    
    /* Hero section adjustment */
    .hero {
        margin-top: -100px !important;
        padding-top: 100px !important;
    }
    
    /* Mobile hero buttons - compact size */
    .hero-buttons {
        display: flex !important;
        flex-direction: row !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 8px !important;
        flex-wrap: wrap !important;
        margin-top: 20px !important;
    }
    
    /* Compact button styles for mobile */
    .btn-compact {
        padding: 8px 12px !important;
        font-size: 12px !important;
        min-width: 80px !important;
        max-width: 110px !important;
        text-align: center !important;
        border-radius: 20px !important;
        white-space: nowrap !important;
        flex: 1 !important;
        max-width: calc(33.333% - 6px) !important;
    }
    
    /* Primary button - 제품 보러가기 */
    .btn-primary.btn-compact {
        background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%) !important;
        color: #1a1a1a !important;
        border: 1px solid #ffd700 !important;
        font-weight: 600 !important;
        box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3) !important;
    }
    
    .btn-primary.btn-compact:hover {
        background: linear-gradient(135deg, #ffed4e 0%, #ffd700 100%) !important;
        box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4) !important;
        transform: translateY(-1px) !important;
    }
    
    /* Secondary button - 시공사례 보기 */
    .btn-secondary.btn-compact {
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%) !important;
        color: #ffffff !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
        font-weight: 500 !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
        backdrop-filter: blur(5px) !important;
    }
    
    .btn-secondary.btn-compact:hover {
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%) !important;
        border-color: rgba(255, 255, 255, 0.5) !important;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3) !important;
        transform: translateY(-1px) !important;
    }
    
    /* Tertiary button - 회사소개 (NEW) */
    .btn-tertiary.btn-compact {
        background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 215, 0, 0.1) 100%) !important;
        color: #ffd700 !important;
        border: 1px solid rgba(255, 215, 0, 0.4) !important;
        font-weight: 500 !important;
        box-shadow: 0 2px 8px rgba(255, 215, 0, 0.2) !important;
        backdrop-filter: blur(5px) !important;
    }
    
    .btn-tertiary.btn-compact:hover {
        background: linear-gradient(135deg, rgba(255, 215, 0, 0.3) 0%, rgba(255, 215, 0, 0.2) 100%) !important;
        border-color: rgba(255, 215, 0, 0.6) !important;
        color: #ffffff !important;
        box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3) !important;
        transform: translateY(-1px) !important;
    }
}

/* Slide down animation */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smaller screens - same top menu bar */
@media screen and (max-width: 768px) {
    /* Slightly more compact for smaller screens */
    .header-main {
        padding: 12px 0 8px 0 !important;
        gap: 12px !important;
    }
    
    .logo-icon {
        width: 28px !important;
        height: 28px !important;
        font-size: 12px !important;
    }
    
    .logo-image {
        height: 28px !important;
        width: auto !important;
        margin-left: 6px !important;
    }
    
    .logo-text {
        font-size: 16px !important;
    }
    
    .navigation .nav-menu,
    .mobile-hidden .nav-menu,
    nav .nav-menu {
        padding: 6px 12px !important;
        gap: 6px !important;
    }
    
    .navigation .nav-menu li a,
    .mobile-hidden .nav-menu li a,
    nav .nav-menu li a {
        padding: 8px 12px !important;
        font-size: 12px !important;
        min-height: 32px !important;
    }
    
    /* Smaller hero buttons for very small screens */
    .btn-compact {
        padding: 6px 10px !important;
        font-size: 11px !important;
        min-width: 70px !important;
        max-width: 95px !important;
    }
    
    .hero-buttons {
        gap: 6px !important;
    }
}

/* Desktop navigation - ensure normal display */
@media screen and (min-width: 1025px) {
    .mobile-menu-toggle {
        display: none !important;
    }
    
    .navigation,
    .mobile-hidden,
    nav.navigation {
        display: block !important;
        position: static !important;
        visibility: visible !important;
        opacity: 1 !important;
        background: none !important;
        box-shadow: none !important;
        border: none !important;
        height: auto !important;
        max-height: none !important;
        overflow: visible !important;
        transform: none !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        z-index: auto !important;
        width: auto !important;
    }
    
    .navigation .nav-menu,
    .mobile-hidden .nav-menu,
    nav.navigation .nav-menu {
        display: flex !important;
        flex-direction: row !important;
        padding: 0 !important;
        margin: 0 !important;
        list-style: none !important;
        width: auto !important;
    }
    
    .navigation .nav-menu li,
    .mobile-hidden .nav-menu li,
    nav.navigation .nav-menu li {
        display: block !important;
        width: auto !important;
        border-bottom: none !important;
        text-align: left !important;
        margin: 0 !important;
    }
    
    .navigation .nav-menu li a,
    .mobile-hidden .nav-menu li a,
    nav.navigation .nav-menu li a {
        display: block !important;
        padding: 10px 15px !important;
        color: #ffffff !important;
        text-decoration: none !important;
        font-size: 14px !important;
        font-weight: 400 !important;
        transition: all 0.3s ease !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border: 1px solid rgba(255, 255, 255, 0.2) !important;
        border-radius: 25px !important;
        margin: 0 5px !important;
        white-space: nowrap !important;
    }
    
    .navigation .nav-menu li a:hover,
    .mobile-hidden .nav-menu li a:hover,
    nav.navigation .nav-menu li a:hover {
        background-color: rgba(255, 215, 0, 0.2) !important;
        color: #ffd700 !important;
        border-color: rgba(255, 215, 0, 0.3) !important;
    }
}

/* 텍스트 콘텐츠 섹션 */
.text-content {
    max-width: none;
    color: #cccccc;
    line-height: 1.7;
}

.text-content h2 {
    color: #ffd700;
    font-size: 28px;
    margin: 40px 0 20px 0;
    border-bottom: 2px solid rgba(255, 215, 0, 0.3);
    padding-bottom: 10px;
}

.text-content h3 {
    color: #ffffff;
    font-size: 20px;
    margin: 30px 0 15px 0;
    font-weight: 600;
}

.text-content p {
    margin: 15px 0;
    font-size: 15px;
    line-height: 1.8;
}

.text-content .highlight-yellow {
    color: #ffd700;
    font-weight: 600;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 215, 0, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
}

.page-subtitle {
    font-size: 18px;
    color: #000000;
    position: relative;
    z-index: 2;
    text-shadow: 1px 1px 3px rgba(255, 255, 255, 0.8);
    font-weight: 500;
    background-color: #ffffff;
    padding: 10px 20px;
    border-radius: 8px;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.product-section {
    padding: 80px 0;
    background-image: url('images/배경화면1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
}

.product-section:nth-child(even) {
    background-image: url('images/배경화면1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.product-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 10%, rgba(255, 215, 0, 0.01) 0%, transparent 50%),
        radial-gradient(circle at 90% 90%, rgba(255, 215, 0, 0.01) 0%, transparent 50%);
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.section-description {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 20px auto 0;
    line-height: 1.6;
}

.product-desc {
    color: #ffd700 !important;
    font-weight: 600 !important;
    margin-bottom: 15px !important;
}

.product-features {
    list-style: none;
    margin-top: 15px;
}

.product-features li {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    padding: 4px 0;
    position: relative;
    padding-left: 16px;
}

.product-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background-image: url('images/배경화면1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 215, 0, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.01) 0%, transparent 50%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 215, 0, 0.1);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
}

/* 2x2 Grid Layout for Wall Products */
.products-grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

@media (max-width: 768px) {
    .products-grid-2x2 {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
}

/* Image-only product cards for wall section */
.product-card-image-only {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 215, 0, 0.1);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
}

.product-card-image-only:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.2);
}

.product-image-full {
    flex: 1;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 12px 12px 0 0;
    min-height: 70%;
}

.product-card-image-only .product-features {
    list-style: none;
    padding: 15px;
    margin: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(5px);
}

.product-card-image-only .product-features li {
    color: rgba(255, 255, 255, 0.9);
    font-size: 17px;
    padding: 3px 0;
    position: relative;
    padding-left: 16px;
}

.product-card-image-only .product-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

/* Hide placeholder text for full images */
.product-image-full[style*="background-image"]::after {
    display: none;
}

/* Cases Detail Page Styles */
.cases-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

.case-detail-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 215, 0, 0.1);
    backdrop-filter: blur(10px);
}

.case-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.2);
}

.case-detail-image {
    height: 300px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.case-detail-image::after {
    content: '이미지 로딩 중...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.case-detail-image[style*="background-image"]::after {
    display: none;
}

.case-detail-info {
    padding: 30px;
}

.case-detail-info h3 {
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 15px;
}

.case-location,
.case-date {
    color: #ffd700;
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.case-features {
    list-style: none;
    padding: 0;
    margin: 20px 0 0;
}

.case-features li {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.case-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
}

@media (max-width: 768px) {
    .cases-detail-grid {
        grid-template-columns: 1fr;
    }
}

/* Gravel Section Styles */
.gravel-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin: 40px 0 60px;
    position: relative;
    z-index: 2;
}

.gravel-image-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 215, 0, 0.1);
    backdrop-filter: blur(10px);
}

.gravel-image-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.2);
}

.gravel-image {
    width: 100%;
    height: 300px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 8px;
    margin-bottom: 20px;
    position: relative;
}

.gravel-image-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #ffd700;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.gravel-image-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    line-height: 1.6;
}

.gravel-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

.gravel-feature-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    border: 1px solid rgba(255, 215, 0, 0.05);
    transition: all 0.3s ease;
}

.gravel-feature-item:hover {
    border-color: rgba(255, 215, 0, 0.1);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.gravel-feature-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #ffffff;
}

.gravel-feature-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    line-height: 1.5;
}

/* Cases Section */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.case-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 215, 0, 0.1);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.2);
}

.case-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, #333333, #444444);
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.case-image::after {
    content: '시공사례 이미지';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.case-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 20px 20px 10px;
    color: #ffffff;
}

.case-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin: 0 20px 20px;
}

/* Company Section */
.company-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.company-text h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #ffffff;
}

.company-text p {
    font-size: 16px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.company-text ul {
    list-style: none;
}

.company-text li {
    padding: 8px 0;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    padding-left: 20px;
}

.company-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #ffd700;
    font-weight: bold;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.3);
}

.company-image {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #333333, #444444);
    border-radius: 12px;
    position: relative;
}


/* Catalog Section */
.catalog-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.catalog-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 215, 0, 0.1);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.catalog-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 20px rgba(255, 215, 0, 0.1);
    border-color: rgba(255, 215, 0, 0.2);
}

.catalog-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.catalog-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #333333, #444444);
    border-radius: 8px;
    margin-bottom: 20px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

/* Hide placeholder text when background image is set for catalog images */
.catalog-image[style*="background-image"]::after {
    display: none;
}

.catalog-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.catalog-item p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    font-size: 14px;
}

.btn-download {
    background: linear-gradient(135deg, #333333 0%, #444444 100%);
    color: #ffffff;
    border: 1px solid rgba(255, 215, 0, 0.2);
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.btn-download:hover {
    background: linear-gradient(135deg, #444444 0%, #555555 100%);
    border-color: rgba(255, 215, 0, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.1);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 25%, #0f0f0f 50%, #1a1a1a 75%, #0a0a0a 100%);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 215, 0, 0.1);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(255, 215, 0, 0.01) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 215, 0, 0.01) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.05);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin: 5px 0;
}

.company-name {
    font-size: 16px !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    margin-bottom: 15px !important;
}

.company-details {
    margin: 15px 0;
}

.company-details p {
    margin: 8px 0;
    font-size: 13px;
    line-height: 1.5;
}

.company-details strong {
    color: #ffd700;
    font-weight: 500;
}

.copyright {
    margin-top: 20px !important;
    font-size: 12px !important;
    color: rgba(255, 255, 255, 0.5) !important;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: #ffffff;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 1px;
}

.mobile-menu-toggle:hover span {
    background-color: #ffd700;
}

/* Default navigation visibility - desktop */
.navigation {
    display: block;
}

/* Mobile navigation - completely hidden by default */
@media (max-width: 1024px) {
    .nav-menu {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
    }
    
    .navigation {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(26, 26, 26, 0.95) 100%) !important;
        backdrop-filter: blur(10px) !important;
        border-top: 1px solid rgba(255, 215, 0, 0.1) !important;
        z-index: 1000 !important;
        transform: translateY(-10px) !important;
        transition: all 0.3s ease !important;
    }
    
    .navigation.active {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        transform: translateY(0) !important;
    }
    
    .navigation.active .nav-menu {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

/* Desktop only elements - hide on mobile */
.desktop-only {
    display: block;
}

/* Mobile hidden class - strongest rule */
@media screen and (max-width: 1024px) {
    /* Force hide all navigation elements */
    .navigation,
    .nav-menu,
    nav.navigation,
    .mobile-hidden {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        height: 0 !important;
        max-height: 0 !important;
        overflow: hidden !important;
        position: absolute !important;
        top: -9999px !important;
        left: -9999px !important;
        z-index: -1 !important;
    }
    
    /* Show only when active */
    .navigation.active,
    .mobile-hidden.active {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        height: auto !important;
        max-height: none !important;
        overflow: visible !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 1000 !important;
        background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(26, 26, 26, 0.95) 100%) !important;
        backdrop-filter: blur(10px) !important;
        border-top: 1px solid rgba(255, 215, 0, 0.1) !important;
    }
    
    .navigation.active .nav-menu,
    .mobile-hidden.active .nav-menu {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        flex-direction: column !important;
        padding: 20px 0 !important;
        margin: 0 !important;
    }
}


/* Mobile specific styles */
@media (max-width: 1024px) {
    .desktop-only {
        display: none !important;
    }
    
    .header-top {
        display: none !important;
    }
    
    .header-buttons {
        display: none !important;
    }
    
    .slogan {
        display: none !important;
    }
    
    .btn-quote,
    .btn-customer {
        display: none !important;
    }
    
    .mobile-menu-toggle {
        display: none !important;
    }
    
    /* Mobile header layout with hamburger */
    .header-main {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 10px 0 !important;
        gap: 10px !important;
    }
    
    .navigation {
        display: none !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(26, 26, 26, 0.95) 100%) !important;
        backdrop-filter: blur(10px) !important;
        border-top: 1px solid rgba(255, 215, 0, 0.1) !important;
        z-index: 1000 !important;
        width: 100% !important;
    }
    
    .navigation.active {
        display: block !important;
    }
    
    .navigation ul {
        display: flex !important;
        flex-direction: column !important;
        gap: 0 !important;
        justify-content: center !important;
        align-items: center !important;
        padding: 20px 0 !important;
        margin: 0 !important;
        width: 100% !important;
    }
    
    .navigation li {
        display: block !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
        text-align: center !important;
        width: 100% !important;
    }
    
    .navigation li:last-child {
        border-bottom: none !important;
    }
    
    .navigation a {
        display: block !important;
        padding: 15px 20px !important;
        font-size: 16px !important;
        background: none !important;
        border-radius: 0 !important;
        white-space: nowrap !important;
        color: #ffffff !important;
        font-weight: 400 !important;
        transition: all 0.3s ease !important;
        text-decoration: none !important;
    }
    
    .navigation a:hover {
        background: rgba(255, 215, 0, 0.1) !important;
        color: #ffd700 !important;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-top {
        display: none !important;
    }
    
    .header-buttons {
        display: none !important;
    }
    
    .slogan {
        display: none !important;
    }
    
    .mobile-menu-toggle {
        display: none !important;
    }
    
    .header {
        padding: 5px 0 !important;
        min-height: auto !important;
    }
    
    .header-main {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 8px 0 !important;
        gap: 10px !important;
    }
    
    .logo {
        gap: 4px !important;
        flex-shrink: 0 !important;
    }
    
    .logo-icon {
        width: 24px !important;
        height: 24px !important;
        font-size: 12px !important;
    }
    
    .logo-image {
        height: 24px !important;
        width: auto !important;
        margin-left: 5px !important;
    }
    
    .logo-text {
        font-size: 16px !important;
    }
    
    /* OVERRIDE: Force navigation to be visible - no hiding rules */
    .navigation {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: static !important;
    }
    
    .nav-menu {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navigation.active .nav-menu {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .navigation ul {
        display: flex !important;
        flex-direction: column !important;
        gap: 0 !important;
        justify-content: center !important;
        align-items: center !important;
        padding: 20px 0 !important;
        margin: 0 !important;
        flex-wrap: nowrap !important;
        width: 100% !important;
    }
    
    .navigation li {
        display: block !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
        text-align: center !important;
        margin: 0 !important;
        width: 100% !important;
    }
    
    .navigation li:last-child {
        border-bottom: none !important;
    }
    
    .navigation a {
        display: block !important;
        padding: 15px 20px !important;
        font-size: 16px !important;
        background: none !important;
        border-radius: 0 !important;
        white-space: nowrap !important;
        color: #ffffff !important;
        text-decoration: none !important;
        font-weight: 400 !important;
        transition: all 0.3s ease !important;
    }
    
    .navigation a:hover {
        background: rgba(255, 215, 0, 0.1) !important;
        color: #ffd700 !important;
    }
    
    .dropdown-menu {
        display: none !important;
    }
    
    .dropdown {
        position: static !important;
    }
    
    .hero-title {
        font-size: 23px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-indicators {
        bottom: 20px;
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
    
    .company-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .company-details {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .products-grid,
    .cases-grid,
    .catalog-content {
        grid-template-columns: 1fr;
    }
    
    .navigation ul {
        flex-direction: column;
        gap: 15px;
    }
}

/* Phone Call Sidebar */
.phone-sidebar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.phone-sidebar:hover {
    transform: translateY(-50%) scale(1.05);
    box-shadow: 0 6px 30px rgba(255, 215, 0, 0.6);
}

.phone-sidebar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px 12px;
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 600;
    font-size: 12px;
    line-height: 1.2;
}

.phone-sidebar .phone-icon {
    font-size: 24px;
    margin-bottom: 5px;
    animation: ring 1.5s ease-in-out infinite;
}

.phone-sidebar .phone-text {
    white-space: nowrap;
    font-family: 'Noto Sans KR', sans-serif;
}

.phone-sidebar .phone-number {
    display: none;
}

/* Phone sidebar animations */
@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(255, 215, 0, 0.6);
    }
    100% {
        box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
    }
}

@keyframes ring {
    0%, 100% {
        transform: rotate(0deg);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: rotate(-10deg);
    }
    20%, 40%, 60%, 80% {
        transform: rotate(10deg);
    }
}

/* Mobile responsive for phone sidebar */
@media screen and (max-width: 768px) {
    .phone-sidebar {
        right: 15px;
        transform: translateY(-50%) scale(0.9);
    }
    
    .phone-sidebar a {
        padding: 12px 10px;
    }
    
    .phone-sidebar .phone-icon {
        font-size: 20px;
    }
    
    .phone-sidebar .phone-text {
        font-size: 11px;
    }
}

@media screen and (max-width: 480px) {
    .phone-sidebar {
        right: 10px;
        transform: translateY(-50%) scale(0.8);
    }
    
    .phone-sidebar a {
        padding: 10px 8px;
    }
    
    .phone-sidebar .phone-icon {
        font-size: 18px;
    }
    
    .phone-sidebar .phone-text {
        font-size: 10px;
    }
}