/* Base Styles */
:root {
    --primary-color: #191919;
    --secondary-color: #191919;
    --accent-color: #191919;
    --text-color: #191919;
    --background-color: #fff;
    --light-gray: #fff;
    --dark-bg: #2a2a2a;
    --shadow-light: rgba(255, 255, 255, 0.8);
    --shadow-dark: rgba(0, 0, 0, 0.15);
    --shadow-inset-light: rgba(255, 255, 255, 0.1);
    --shadow-inset-dark: rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
    line-height: 1.6;
    color: #191919;
    background-color: #fff;
}

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

ul {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    0%, 50% { border-color: transparent; }
    51%, 100% { border-color: #191919; }
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(25, 25, 25, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(25, 25, 25, 0.3);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 10px 30px rgba(25, 25, 25, 0.2);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes countUp {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes cardScale {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* 기존 애니메이션 클래스들 */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-delay-1 {
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.fade-in-delay-2 {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.fade-in-delay-3 {
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.fade-in-delay-4 {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* 새로운 애니메이션 클래스들 */
.stagger-animation {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.stagger-animation.animate {
    opacity: 1;
    transform: translateY(0);
}

.stagger-animation:nth-child(1) { transition-delay: 0.1s; }
.stagger-animation:nth-child(2) { transition-delay: 0.2s; }
.stagger-animation:nth-child(3) { transition-delay: 0.3s; }
.stagger-animation:nth-child(4) { transition-delay: 0.4s; }
.stagger-animation:nth-child(5) { transition-delay: 0.5s; }

.count-animation {
    font-weight: 700;
    color: #191919;
    transition: all 0.3s ease;
}

.typing-text {
    overflow: hidden;
    border-right: 2px solid #191919;
    white-space: nowrap;
    margin: 0 auto;
    animation: typing 3s steps(40, end), blink 0.75s step-end infinite;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 5%;
    border-bottom: 1px solid rgba(25, 25, 25, 0.08);
    animation: fadeIn 0.8s ease-out;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 1px;
    color: #191919;
}

.logo img {
    max-width: 150px;
    height: auto;
}

.logo.inverted img {
    filter: invert(1);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    color: #191919;
    padding: 8px 16px;
    border-radius: 6px;
}

.nav-links a:hover {
    color: #fff;
    background-color: #191919;
    transform: translateY(-2px);
}

.nav-links a.active {
    color: #fff;
    background-color: #191919;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
}

.mobile-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #191919;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
    background-color: #fff;
    overflow: hidden;
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #fff;
    animation: fadeInUp 0.8s ease-out;
    font-family: 'Bodoni Moda', serif;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #fff;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.btn-primary {
    display: inline-block;
    padding: 10px 20px;
    background-color: #eee;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    margin-top: 15px;
}

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(25, 25, 25, 0.15);
    color: #fff;
}

/* 제품 카드 내 버튼 특별 스타일링 */
.product-card h4 img {
    max-height: 24px;
}
.product-card .btn-primary {
    position: fixed;
    bottom: 20px;
    right: 20px;
    margin-top: 0;
    padding: 10px 20px;
    font-size: 13px;
    letter-spacing: 0.5px;
    border-radius: 6px;
}

.product-card .btn-primary:hover {
    background-color: #333;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(25, 25, 25, 0.2);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    transition: opacity 0.3s ease;
}

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

/* Parallax effect for hero */
.hero-parallax {
    transform: translateY(0);
    transition: transform 0.1s ease-out;
}

/* Clean Conscious Section */
.clean-conscious {
    padding: 100px 5%;
    text-align: center;
    background-color: #fff;
}

.clean-conscious h2 {
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #191919;
}

.clean-conscious p {
    font-size: 1.1rem;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #191919;
}

/* Horizontal Scroll Layout */
.horizontal-scroll-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 5%;
}

.scroll-hint {
    text-align: center;
    margin-bottom: 30px;
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
    animation: fadeInOut 3s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.horizontal-scroll-wrapper {
    display: flex;
    justify-content: center;
    gap: 25px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 40px 20px 50px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(25, 25, 25, 0.3) transparent;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
}

/* 스크롤바 커스터마이징 (웹킷 브라우저) */
.horizontal-scroll-wrapper::-webkit-scrollbar {
    height: 8px;
}

.horizontal-scroll-wrapper::-webkit-scrollbar-track {
    background: rgba(25, 25, 25, 0.05);
    border-radius: 10px;
}

.horizontal-scroll-wrapper::-webkit-scrollbar-thumb {
    background: rgba(25, 25, 25, 0.2);
    border-radius: 10px;
    transition: background 0.3s ease;
}

.horizontal-scroll-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(25, 25, 25, 0.4);
}

.scroll-card {
    min-width: 320px;
    width: 320px;
    min-height: 320px;
    height: 320px;
    background: #fff;
    border-radius: 24px;
    padding: 35px 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(25, 25, 25, 0.06);
    border: 1px solid rgba(25, 25, 25, 0.05);
    transition: all 0.3s ease;
    position: relative;
    will-change: transform;
    scroll-snap-align: center;
}

.scroll-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 35px rgba(25, 25, 25, 0.1);
    border-color: rgba(25, 25, 25, 0.08);
}

.scroll-card.center-card {
    transform: scale(1.05);
    box-shadow: 0 20px 50px rgba(25, 25, 25, 0.15);
    z-index: 2;
}

.card-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #191919 0%, #333 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin: 0 auto 25px;
    position: relative;
    z-index: 2;
    transition: transform 0.2s ease;
}

.scroll-card:hover .card-number {
    transform: scale(1.05);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(25, 25, 25, 0.08) 0%, rgba(25, 25, 25, 0.12) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 25px auto 40px;
    font-size: 1.8rem;
    color: #191919;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.scroll-card:hover .card-icon {
    background: linear-gradient(135deg, #191919 0%, #333 100%);
    color: #fff;
    animation: bounce 0.6s ease;
}

.scroll-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #191919;
    line-height: 1.3;
    position: relative;
    z-index: 2;
    transition: color 0.2s ease;
}

.scroll-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
    position: relative;
    z-index: 2;
    transition: color 0.2s ease;
}

/* 추가 카드들이 보이도록 하는 페이딩 효과 제거 (성능 최적화) */

/* Responsive adjustments */
@media (max-width: 768px) {
    .horizontal-scroll-container {
        padding: 0 3%;
    }
    
    .horizontal-scroll-wrapper {
        justify-content: flex-start;
        padding: 30px 15px 40px;
        gap: 20px;
    }
    
    .scroll-card {
        min-width: 280px;
        width: 280px;
        padding: 30px 25px;
    }
    
    .card-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
        margin-bottom: 20px;
    }
    
    .card-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .scroll-card h4 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .scroll-card p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    .scroll-hint {
        font-size: 0.8rem;
        margin-bottom: 20px;
    }
}

@media (max-width: 480px) {
    .horizontal-scroll-wrapper {
        padding: 25px 10px 35px;
        gap: 15px;
    }
    
    .scroll-card {
        min-width: 250px;
        width: 250px;
        padding: 25px 20px;
    }
    
    .card-number {
        width: 45px;
        height: 45px;
        font-size: 1rem;
        margin-bottom: 18px;
    }
    
    .card-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
        margin-bottom: 18px;
    }
    
    .scroll-card h4 {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .scroll-card p {
        font-size: 0.8rem;
    }
    
    .scroll-hint span {
        font-size: 0.75rem;
    }
}

/* Product Sections */
.product-section {
    padding: 100px 5%;
    background-color: #f9f9f9;
}

.product-section h2 {
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 50px;
    color: #191919;
    text-align: center;
}

.product-highlight h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 30px;
    color: #191919;
    text-align: left;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

/* 무한 스크롤 컨테이너 */
.infinite-scroll-container {
    overflow: hidden;
    width: 100%;
    margin-bottom: 30px;
    position: relative;
}

.infinite-scroll-track {
    display: flex;
    width: calc(300px * 10 + 30px * 9); /* 카드 5개 * 2 + 간격 */
    animation: infiniteScroll 20s linear infinite;
    gap: 30px;
}

.infinite-scroll-track:hover {
    animation-play-state: paused;
}

@keyframes infiniteScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-300px * 5 - 30px * 5)); /* 원본 5개 카드만큼 이동 */
    }
}

/* 무한 스크롤 내의 product-card 스타일 조정 */
.infinite-scroll-track .product-card {
    flex: 0 0 300px;
    height: auto;
    background-color: #fff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(25, 25, 25, 0.05);
    opacity: 1;
    transform: scale(1);
}

.infinite-scroll-track .product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(25, 25, 25, 0.12);
}

.product-card {
    background-color: #fff;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(25, 25, 25, 0.05);
    opacity: 0;
    transform: scale(0.9);
}

.product-card.animate {
    animation: cardScale 0.6s ease forwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }
.product-card:nth-child(5) { animation-delay: 0.5s; }

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(25, 25, 25, 0.12);
}

.product-image {
    overflow: hidden;
    background-color: #f5f5f5;
}

.product-card h4 {
    padding: 20px 20px 10px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #191919;
}

.product-card .price {
    padding: 0 20px 10px;
    font-size: 0.9rem;
    color: #666;
    font-weight: 500;
}

.product-card .brand-description {
    padding: 0 20px 25px;
    font-size: 0.85rem;
    color: #888;
    line-height: 1.5;
    word-break: auto-phrase;
    margin-bottom: 80px;
}

/* Benefits Section */
.benefits {
    padding: 100px 5%;
    background-color: #f4f4f4;
    text-align: center;
    color: #fff;
}

.benefits h2 {
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 50px;
    color: #000;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto 50px;
}

.benefits-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: all 0.3s ease;
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translateY(30px);
}

.benefits-content {
    position: absolute;
    top: 30px;
    right: 20px;
    text-align: left;
}

.benefits-image img{
    border-radius: 20px;
}

.benefits-item.animate {
    animation: slideInUp 0.6s ease forwards;
}

.benefits-item:nth-child(1) { animation-delay: 0.1s; }
.benefits-item:nth-child(2) { animation-delay: 0.2s; }
.benefits-item:nth-child(3) { animation-delay: 0.3s; }
.benefits-item:nth-child(4) { animation-delay: 0.4s; }

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

.benefits-item:hover {
    transform: translateY(-8px);
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.benefits-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #fff;
}

.benefits-item p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

.btn-secondary {
    display: inline-block;
    padding: 15px 40px;
    background-color: transparent;
    color: #fff;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid #fff;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: #fff;
    color: #191919;
    transform: translateY(-2px);
}

/* Quality Section */
.quality {
    padding: 100px 5%;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    background-color: #fff;
}

.quality h3 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 20px;
    color: #191919;
}

.quality p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
}

/* Offer Section */
.offer {
    padding: 100px 5%;
    background-color: #191919;
    text-align: center;
    color: #fff;
}

.offer h3 {
    font-size: 2rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #fff;
}

.offer em {
    font-style: italic;
    color: #fff;
}

.offer p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
    line-height: 1.6;
}

/* Footer */
footer {
    padding: 60px 5% 40px;
    background-color: #191919;
    color: #fff;
}

.footer-container {
    text-align: center;
    margin-bottom: 40px;
}

.footer-nav ul {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 0;
    padding: 0;
}

.footer-nav ul li {
    margin: 0;
}

.footer-nav a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    padding: 8px 0;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.footer-nav a:hover {
    color: #fff;
    transform: translateY(-2px);
}

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

.footer-bottom p {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.company-info {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.company-info p {
    margin-bottom: 5px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

.company-info strong {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    header {
        padding: 20px 5%;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    /* 무한 스크롤 모바일 반응형 */
    .infinite-scroll-track {
        width: calc(250px * 10 + 20px * 9);
        gap: 20px;
        animation: infiniteScrollMobile 25s linear infinite;
    }
    
    @keyframes infiniteScrollMobile {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-250px * 5 - 20px * 5));
        }
    }
    
    .infinite-scroll-track .product-card {
        flex: 0 0 250px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-item {
        max-width: 100%;
        padding: 30px 25px;
    }
    
    .footer-nav ul {
        flex-direction: column;
        gap: 20px;
    }

    .scroll-card.center-card {
        box-shadow: none;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .btn-primary, .btn-secondary {
        padding: 12px 30px;
        font-size: 13px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    /* 무한 스크롤 소형 모바일 반응형 */
    .infinite-scroll-track {
        width: calc(200px * 10 + 15px * 9);
        gap: 15px;
        animation: infiniteScrollSmall 30s linear infinite;
    }
    
    @keyframes infiniteScrollSmall {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-200px * 5 - 15px * 5));
        }
    }
    
    .infinite-scroll-track .product-card {
        flex: 0 0 200px;
        border-radius: 12px;
    }
    
    .product-card {
        border-radius: 12px;
    }
    
    .product-card h4 {
        font-size: 1rem;
        padding: 15px 15px 8px;
    }
    
    .product-card .price {
        font-size: 0.8rem;
        padding: 0 15px 8px;
    }
    
    .product-card .brand-description {
        font-size: 0.75rem;
        padding: 0 15px 20px;
    }
}

/* 헤더 스크롤 효과 */
header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(25, 25, 25, 0.08);
    padding: 15px 5%;
}

/* 모바일 메뉴 활성화 스타일 */
@media (max-width: 768px) {
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 5%;
        right: 5%;
        background-color: #fff;
        padding: 20px;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(25, 25, 25, 0.15);
        z-index: 999;
        gap: 10px;
        border: 1px solid rgba(25, 25, 25, 0.08);
    }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* 제품 이미지 호버 효과 */
.product-image.hovered img {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

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

/* Intersection Observer를 위한 초기 상태 */
.animated-element {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animated-element.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Benefits Page Styles */
.benefits-page {
    padding-top: 80px;
}

.benefits-hero {
    background: linear-gradient(135deg, #191919 0%, #000 100%);
    color: #fff;
    padding: 100px 5% 80px;
    text-align: center;
}

.benefits-hero h1 {
    font-size: 3rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 20px;
}

.benefits-hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 0 auto;
}

.all-benefits {
    padding: 100px 5%;
    background-color: #fff;
}

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

.all-benefits h2 {
    font-size: 2rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 80px;
    color: #191919;
}

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

.category-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #191919;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.category-title i {
    color: #191919;
    font-size: 1.5rem;
}

.benefit-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    border-color: #191919;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #191919, #000);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.benefit-icon i {
    color: #fff;
    font-size: 1.5rem;
}

.benefit-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #191919;
    margin-bottom: 10px;
    line-height: 1.3;
}

.benefit-title {
    font-size: 1rem;
    font-weight: 600;
    color: #191919;
    margin-bottom: 15px;
}

.benefit-card p:last-child {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

.benefits-cta {
    background: linear-gradient(135deg, #191919 0%, #000 100%);
    color: #fff;
    padding: 100px 5%;
    text-align: center;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

/* Logo link styling */
.logo a {
    color: inherit;
    text-decoration: none;
}

.nav-links .active {
    color: #191919;
    font-weight: 600;
}

/* Benefits Grid Variations */
.benefits-grid-1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 400px;
    margin: 0 auto;
}

.benefits-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.benefits-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.benefits-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Mobile responsive for benefits grids */
@media (max-width: 1200px) {
    .benefits-grid-4 {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
    }
}

@media (max-width: 768px) {
    .benefits-grid-2,
    .benefits-grid-3,
    .benefits-grid-4 {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .benefits-grid-1 {
        max-width: 350px;
    }
} 

/* Brands Page Styles */
.brands-page {
    padding-top: 80px;
}

.brands-hero {
    padding: 80px 5% 60px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-bottom: 1px solid rgba(25, 25, 25, 0.08);
}

.brands-hero-content h1 {
    font-size: 3rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #191919;
    animation: fadeInUp 0.8s ease-out;
}

.brands-hero-content p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.brand-categories {
    padding: 80px 5%;
    background-color: #fff;
}

.brands-container {
    max-width: 1400px;
    margin: 0 auto;
}

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

.brand-category:last-child {
    margin-bottom: 0;
}

.category-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 40px;
    color: #191919;
    display: flex;
    align-items: center;
    gap: 15px;
}

.category-title i {
    font-size: 1.5rem;
    color: #666;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
}

.brand-card.detailed {
    background-color: #fff;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(25, 25, 25, 0.08);
    display: flex;
    flex-direction: row;
    min-height: 300px;
}
.brand-card .brand-button{
    display: flex;
    justify-content: flex-end;
}
.brand-card .brand-button a{
    padding: 4px 12px;
    background-color: #f1f3f4;
    color: #5f6368;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.brand-card.detailed:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(25, 25, 25, 0.15);
    border-color: rgba(25, 25, 25, 0.15);
}

.brand-card.detailed .brand-image {
    width: 300px;
    min-width: 200px;
    aspect-ratio: 1/1;
    overflow: hidden;
    background-color: #f8f9fa;
}

.brand-card.detailed .brand-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.brand-info {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.brand-info h4 img{
    max-height: 24px;
    margin-bottom: 12px;
}

.brand-category-text {
    font-size: 0.95rem;
    color: #666;
    font-weight: 600;
    margin-bottom: 12px;
}

.brand-description {
    font-size: 0.9rem;
    color: #888;
    line-height: 1.6;
    margin-bottom: 20px;
}

.brand-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 25px;
}

.feature-tag {
    padding: 4px 12px;
    background-color: #f1f3f4;
    color: #5f6368;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.brand-details {
    margin-top: auto;
}

.brand-details h5 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #191919;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.brand-details ul {
    list-style: none;
    padding: 0;
}

.brand-details li {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 6px;
    padding-left: 15px;
    position: relative;
}

.brand-details li:before {
    content: "•";
    color: #191919;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.brand-philosophy {
    padding: 100px 5%;
    background: linear-gradient(135deg, #191919 0%, #2a2a2a 100%);
    color: #fff;
    text-align: center;
}

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

.brand-philosophy h2 {
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 60px;
    color: #fff;
}

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

.philosophy-item {
    padding: 40px 30px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.philosophy-item:hover {
    transform: translateY(-8px);
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.philosophy-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #fff;
}

.philosophy-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #fff;
}

.philosophy-item p {
    font-size: 0.95rem;
    color: #ccc;
    line-height: 1.6;
    margin: 0;
}

/* Responsive Design for Brands Page */
@media (max-width: 768px) {
    .brands-hero-content h1 {
        font-size: 2.2rem;
    }
    
    .brands-hero-content p {
        font-size: 1rem;
    }

    .brand-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .brand-card.detailed {
        flex-direction: column;
        min-height: auto;
    }

    .brand-card.detailed .brand-image {
        width: 100%;
        aspect-ratio: 16/9;
    }

    .brand-info {
        padding: 25px;
    }

    .category-title {
        font-size: 1.6rem;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .brand-philosophy {
        padding: 60px 5%;
    }

    .brand-philosophy h2 {
        font-size: 2rem;
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .brands-hero {
        padding: 60px 5% 40px;
    }

    .brands-hero-content h1 {
        font-size: 1.8rem;
    }

    .brand-categories {
        padding: 60px 5%;
    }

    .brand-category {
        margin-bottom: 60px;
    }

    .category-title {
        font-size: 1.4rem;
    }

    .brand-info {
        padding: 20px;
    }

    .brand-info h4 {
        font-size: 1.3rem;
    }

    .feature-tag {
        font-size: 0.75rem;
        padding: 3px 10px;
    }
}

/* Additional active nav state for brands page */
.nav-links a.active {
    color: #fff;
    background-color: #191919;
}

/* Smooth animations for brand elements */
.animated-element {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.animated-element:nth-child(1) { animation-delay: 0.1s; }
.animated-element:nth-child(2) { animation-delay: 0.2s; }
.animated-element:nth-child(3) { animation-delay: 0.3s; }
.animated-element:nth-child(4) { animation-delay: 0.4s; }
.animated-element:nth-child(5) { animation-delay: 0.5s; }

/* Coming Soon Card Styles - No Image Version */
.brand-card.coming-soon {
    opacity: 0.8;
    border: 2px dashed rgba(25, 25, 25, 0.2);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 300px;
}

.brand-card.coming-soon:hover {
    opacity: 1;
    border-color: rgba(25, 25, 25, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(25, 25, 25, 0.1);
}

.brand-card.coming-soon .brand-info.full-width {
    width: 100%;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.brand-card.coming-soon .brand-info h4 {
    color: #6c757d;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.brand-card.coming-soon .brand-category-text {
    color: #868e96;
    font-style: italic;
    margin-bottom: 20px;
}

.brand-card.coming-soon .brand-description {
    color: #adb5bd;
    margin-bottom: 25px;
    max-width: 350px;
    word-break: auto-phrase;
}

.feature-tag.coming-soon-tag {
    background-color: rgba(25, 25, 25, 0.05);
    color: #6c757d;
    border: 1px solid rgba(25, 25, 25, 0.1);
}

.brand-card.coming-soon:hover .feature-tag.coming-soon-tag {
    background-color: rgba(25, 25, 25, 0.1);
    color: #495057;
}

.coming-soon-icon {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(25, 25, 25, 0.1);
    transition: all 0.3s ease;
}

.coming-soon-icon i {
    font-size: 1.5rem;
    color: #6c757d;
    transition: all 0.3s ease;
}

.brand-card.coming-soon:hover .coming-soon-icon {
    background: rgba(25, 25, 25, 0.15);
    transform: scale(1.1);
}

.brand-card.coming-soon:hover .coming-soon-icon i {
    color: #191919;
    transform: rotate(90deg);
}

/* Company Vision Section */
.company-vision {
    padding: 100px 5%;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    text-align: center;
}

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

.company-vision h2 {
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #191919;
}

.vision-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 60px;
    font-style: italic;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.vision-item {
    padding: 40px 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(25, 25, 25, 0.1);
    transition: transform 0.3s ease;
}

.vision-item:hover {
    transform: translateY(-10px);
}

.vision-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #191919;
    margin-bottom: 15px;
}

.vision-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #191919;
}

.vision-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Performance Section */
.performance {
    padding: 100px 5%;
    background-color: #191919;
    color: #fff;
    text-align: center;
}

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

.performance h2 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #fff;
}

.performance-subtitle {
    font-size: 1.1rem;
    color: #ccc;
    margin-bottom: 60px;
}

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

/* Timeline Cards (Left Side) */
.timeline-cards {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.timeline-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: left;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.timeline-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.timeline-year {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 15px;
    opacity: 0.8;
}

.timeline-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
    line-height: 1.3;
}

.timeline-card p {
    font-size: 1rem;
    color: #ccc;
    line-height: 1.6;
}

/* Achievement Cards (Right Side) */
.achievement-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.achievement-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    padding: 25px 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.achievement-card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.achievement-label {
    font-size: 1rem;
    color: #ccc;
    line-height: 1.6;
}

.achievement-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

.achievement-value .unit {
    font-size: 1rem;
    font-weight: 500;
}

.achievement-value .highlight {
    color: #fff;
    font-weight: 800;
}

/* 반응형 */
@media (max-width: 768px) {
    .performance {
        padding: 80px 5%;
    }
    
    .performance h2 {
        font-size: 2rem;
    }
    
    .performance-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .timeline-card {
        padding: 30px 25px;
    }
    
    .timeline-card h3 {
        font-size: 1.5rem;
    }
    
    .achievement-cards {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .achievement-card {
        padding: 20px 15px;
    }
    
    .achievement-value {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .performance {
        padding: 60px 5%;
    }
    
    .performance h2 {
        font-size: 1.8rem;
    }
    
    .timeline-card {
        padding: 25px 20px;
    }
    
    .timeline-card h3 {
        font-size: 1.3rem;
    }
    
    .achievement-value {
        font-size: 1rem;
    }
}

/* Core Values Section */
.core-values {
    padding: 100px 5%;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    text-align: center;
    position: relative;
}

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

.core-values h2 {
    font-size: 2rem;
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #191919;
}

.core-values > p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 80px;
}

.values-zigzag {
    position: relative;
}

/* 중앙 라인 */
.values-zigzag::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #191919, #666);
    transform: translateX(-50%);
}

.value-row {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.value-row.animate {
    opacity: 1;
    transform: translateY(0);
}

.value-row.left.animate {
    animation: slideInLeft 0.8s ease forwards;
}

.value-row.right.animate {
    animation: slideInRight 0.8s ease forwards;
}

.value-row:last-child {
    margin-bottom: 0;
}

/* 좌측 배치 */
.value-row.left {
    justify-content: flex-end;
    text-align: right;
}

.value-row.left .value-content {
    padding-left: 60px;
    max-width: 400px;
}

.value-row.left .value-visual {
    margin-left: 60px;
}

/* 우측 배치 */
.value-row.right {
    justify-content: flex-start;
    text-align: left;
}

.value-row.right .value-content {
    padding-right: 60px;
    max-width: 400px;
}

.value-row.right .value-visual {
    margin-right: 60px;
}

.value-content {
    flex: 1;
}

.value-number {
    font-size: 3rem;
    font-weight: 700;
    color: #191919;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 20px;
}

.value-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #191919;
}

.value-content p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.value-visual {
    flex-shrink: 0;
}

.value-icon {
    width: 80px;
    height: 80px;
    background: #191919;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 10px 30px rgba(25, 25, 25, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.value-icon:hover {
    animation: pulse 0.6s ease;
    background: linear-gradient(135deg, #191919, #333);
}

.value-icon i {
    font-size: 2rem;
    color: #fff;
    transition: all 0.3s ease;
}

.value-icon:hover i {
    animation: iconRotate 0.6s ease;
}

/* 중앙 라인과 연결되는 점 */
.value-row::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 12px;
    height: 12px;
    background: #191919;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 4px #fff;
}

/* 반응형 */
@media (max-width: 768px) {
    .product-card h4 img {
        max-height: 18px;
    }

    .core-values {
        padding: 60px 5%;
    }
    
    /* 데스크톱의 zigzag 레이아웃 숨기기 */
    .values-zigzag::before {
        display: none;
    }
    
    /* 모바일에서는 카드 그리드로 변경 */
    .values-zigzag {
        display: grid;
        grid-template-columns: 1fr;
        gap: 25px;
        padding: 0;
        position: static;
    }
    
    .value-row {
        background: white;
        border-radius: 20px;
        padding: 30px 25px;
        box-shadow: 0 10px 40px rgba(25, 25, 25, 0.08);
        border: 1px solid rgba(25, 25, 25, 0.05);
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-bottom: 0;
        position: relative;
        transition: all 0.3s ease;
    }
    
    .value-row:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 50px rgba(25, 25, 25, 0.12);
    }
    
    /* 데스크톱의 left/right 구분 제거 */
    .value-row.left,
    .value-row.right {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    
    .value-row.left .value-content,
    .value-row.right .value-content {
        padding: 0;
        max-width: none;
        margin-top: 20px;
        order: 2;
    }
    
    .value-row.left .value-visual,
    .value-row.right .value-visual {
        margin: 0;
        order: 1;
    }
    
    /* 연결점 제거 */
    .value-row::after {
        display: none;
    }
    
    /* 번호를 카드 상단 모서리에 배치 */
    .value-number {
        position: absolute;
        top: -15px;
        left: 20px;
        font-size: 3.5rem;
        font-weight: 800;
        color: #191919;
        opacity: 0.15;
        line-height: 1;
        margin-bottom: 0;
        z-index: 1;
    }
    
    .value-content h3 {
        font-size: 1.3rem;
        margin-bottom: 12px;
        color: #191919;
    }
    
    .value-content p {
        font-size: 0.9rem;
        color: #666;
        line-height: 1.6;
        margin: 0;
    }
    
    .value-icon {
        width: 70px;
        height: 70px;
        background: linear-gradient(135deg, #191919, #333);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 8px 25px rgba(25, 25, 25, 0.2);
        margin-bottom: 0;
    }
    
    .value-icon i {
        font-size: 1.8rem;
        color: white;
    }
    
    /* 제목과 설명 크기 조정 */
    .core-values h2 {
        font-size: 1.7rem;
        font-weight: 500;
        margin-bottom: 15px;
    }
    
    .core-values > p {
        font-size: 1rem;
        margin-bottom: 40px;
    }
}

/* 더 작은 화면 최적화 */
@media (max-width: 480px) {
    .core-values {
        padding: 50px 4%;
    }
    
    .values-zigzag {
        gap: 20px;
    }
    
    .value-row {
        padding: 25px 20px;
        border-radius: 16px;
    }
    
    .core-values h2 {
        font-size: 1.5rem;
        font-weight: 500;
    }
    
    .core-values > p {
        font-size: 0.95rem;
        margin-bottom: 35px;
    }
    
    .value-number {
        font-size: 3rem;
        top: -12px;
        left: 20px;
    }
    
    .value-content h3 {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .value-content p {
        font-size: 0.85rem;
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
    }
    
    .value-icon i {
        font-size: 1.5rem;
    }
}

/* 매우 작은 화면 */
@media (max-width: 360px) {
    .core-values {
        padding: 40px 3%;
    }
    
    .value-row {
        padding: 20px 15px;
    }
    
    .core-values h2 {
        font-size: 1.3rem;
        font-weight: 500;
    }
    
    .value-number {
        font-size: 2.5rem;
    }
}

/* ============================================
   모바일 최적화 - 개선된 반응형 디자인
   ============================================ */

/* 기본 모바일 최적화 */
@media (max-width: 1024px) {
    /* 태블릿 최적화 */
    .container {
        padding: 0 25px;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .scroll-card {
        min-width: 300px;
        width: 300px;
    }
}

/* 모바일 세로 (768px 이하) */
@media (max-width: 768px) {
    /* 성능 최적화 - 애니메이션 간소화 */
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    body {
        font-size: 16px; /* 모바일 기본 폰트 크기 */
        line-height: 1.5;
        overflow-x: hidden;
    }
    
    /* 헤더 최적화 */
    header {
        padding: 15px 20px;
        position: fixed;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
    }
    
    .logo img {
        max-width: 120px;
    }
    
    .nav-links {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid rgba(25, 25, 25, 0.1);
        z-index: 999;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        gap: 15px;
        animation: slideDown 0.3s ease-out;
    }
    
    .nav-links a {
        padding: 15px 20px;
        border-radius: 12px;
        text-align: center;
        font-size: 16px;
        font-weight: 500;
        min-height: 48px; /* 터치 영역 최소 크기 */
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }
    
    .mobile-toggle {
        display: flex;
        flex-direction: column;
        gap: 4px;
        padding: 8px;
        min-width: 44px;
        min-height: 44px;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        transition: transform 0.2s ease;
    }
    
    .mobile-toggle:active {
        transform: scale(0.95);
    }
    
    .mobile-toggle span {
        width: 24px;
        height: 2px;
        background: #191919;
        transition: all 0.3s ease;
        border-radius: 2px;
    }
    
    /* 햄버거 메뉴 애니메이션 */
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* 히어로 섹션 최적화 */
    .hero {
        min-height: 100vh;
        padding-top: 70px;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.2;
        margin-bottom: 20px;
    }
    
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 30px;
        padding: 0 20px;
    }
    
    /* 스크롤 카드 최적화 */
    .horizontal-scroll-container {
        padding: 0 20px;
    }
    
    .horizontal-scroll-wrapper {
        padding: 30px 0 40px;
        gap: 20px;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
    }
    
    .scroll-card {
        min-width: 280px;
        width: 280px;
        min-height: 300px;
        padding: 25px 20px;
        scroll-snap-align: start;
        will-change: transform;
    }
    
    .scroll-card:hover {
        transform: translateY(-2px) scale(1.01);
    }
    
    .card-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 20px;
    }
    
    .card-icon img {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    
    .scroll-card h4 {
        font-size: 1.2rem;
        margin-bottom: 12px;
        line-height: 1.3;
    }
    
    .scroll-card p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    /* 브랜드 섹션 최적화 */
    .product-section {
        padding: 80px 20px;
    }
    
    .product-highlight h3 {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }
    
    .infinite-scroll-track {
        width: calc(260px * 10 + 20px * 9);
        gap: 20px;
        animation: infiniteScrollMobile 25s linear infinite;
    }
    
    .infinite-scroll-track .product-card {
        flex: 0 0 260px;
        border-radius: 16px;
    }
    
    .infinite-scroll-track .product-card:hover {
        transform: translateY(-4px) scale(1.01);
    }
    
    /* 복지 섹션 최적화 */
    .benefits {
        padding: 80px 20px;
    }
    
    .benefits h2 {
        font-size: 1.8rem;
        margin-bottom: 40px;
        line-height: 1.3;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        max-width: 100%;
    }
    
    .benefits-item {
        position: relative;
        border-radius: 20px;
        overflow: hidden;
        aspect-ratio: 16/10;
        min-height: 280px;
    }
    
    .benefits-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
    }
    
    .benefits-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 20px;
    }
    
    .benefits-content {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
        padding: 40px 25px 25px;
        z-index: 2;
        color: white;
    }
    
    .benefits-content h3 {
        font-size: 1.4rem;
        margin-bottom: 10px;
        font-weight: 600;
    }
    
    .benefits-content p {
        font-size: 0.9rem;
        line-height: 1.5;
        color: rgba(255, 255, 255, 0.9);
    }
    
    /* 성과 섹션 최적화 */
    .performance {
        padding: 80px 20px;
    }
    
    .performance h2 {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .performance-subtitle {
        font-size: 1rem;
        margin-bottom: 50px;
    }
    
    .performance-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .timeline-card {
        padding: 25px 20px;
        border-radius: 16px;
    }
    
    .timeline-card h3 {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }
    
    .timeline-card p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .achievement-cards {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .achievement-card {
        padding: 20px;
        border-radius: 12px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .achievement-value {
        font-size: 1.6rem;
        line-height: 1.2;
    }
    
    .achievement-label {
        font-size: 0.9rem;
        order: 2;
    }
    
    /* 핵심 가치 섹션 최적화 */
    .core-values {
        padding: 80px 20px;
    }
    
    .core-values h2 {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }
    
    .core-values > p {
        font-size: 1rem;
        margin-bottom: 50px;
    }
    
    .values-zigzag::before {
        display: none;
    }
    
    .values-zigzag {
        display: grid;
        grid-template-columns: 1fr;
        gap: 25px;
        position: static;
    }
    
    .value-row {
        background: white;
        border-radius: 20px;
        padding: 25px 20px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        border: 1px solid rgba(25, 25, 25, 0.05);
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        margin-bottom: 0;
        position: relative;
        transition: transform 0.3s ease;
    }
    
    .value-row:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    }
    
    .value-row.left,
    .value-row.right {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
    
    .value-row.left .value-content,
    .value-row.right .value-content {
        padding: 0;
        max-width: none;
        margin-top: 20px;
        order: 2;
    }
    
    .value-row.left .value-visual,
    .value-row.right .value-visual {
        margin: 0;
        order: 1;
    }
    
    .value-row::after {
        display: none;
    }
    
    .value-number {
        position: absolute;
        top: -12px;
        left: 20px;
        font-size: 3rem;
        font-weight: 800;
        color: #191919;
        opacity: 0.1;
        line-height: 1;
        margin-bottom: 0;
        z-index: 1;
    }
    
    .value-content h3 {
        font-size: 1.3rem;
        margin-bottom: 10px;
        color: #191919;
    }
    
    .value-content p {
        font-size: 0.9rem;
        color: #666;
        line-height: 1.6;
    }
    
    .value-icon {
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, #191919, #333);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    }
    
    .value-icon i {
        font-size: 1.5rem;
        color: white;
    }
    
    /* 푸터 최적화 */
    footer {
        padding: 60px 20px 40px;
    }
    
    .footer-nav ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .footer-nav a {
        font-size: 0.9rem;
        padding: 12px 0;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .footer-bottom p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
}

/* 소형 모바일 (576px 이하) */
@media (max-width: 576px) {
    body {
        font-size: 15px;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 1rem;
        padding: 0 15px;
    }
    
    .scroll-card {
        min-width: 250px;
        width: 250px;
        padding: 20px 15px;
    }
    
    .scroll-card h4 {
        font-size: 1.1rem;
    }
    
    .scroll-card p {
        font-size: 0.85rem;
    }
    
    .infinite-scroll-track {
        width: calc(220px * 10 + 15px * 9);
        gap: 15px;
        animation: infiniteScrollSmall 30s linear infinite;
    }
    
    .infinite-scroll-track .product-card {
        flex: 0 0 220px;
        border-radius: 12px;
    }
    
    .benefits h2 {
        font-size: 1.6rem;
    }
    
    .benefits-content {
        padding: 30px 20px 20px;
    }
    
    .benefits-content h3 {
        font-size: 1.2rem;
    }
    
    .benefits-content p {
        font-size: 0.85rem;
    }
    
    .performance h2 {
        font-size: 1.8rem;
    }
    
    .timeline-card {
        padding: 20px 15px;
    }
    
    .timeline-card h3 {
        font-size: 1.3rem;
    }
    
    .achievement-value {
        font-size: 1.4rem;
    }
    
    .core-values {
        padding: 60px 15px;
    }
    
    .core-values h2 {
        font-size: 1.6rem;
    }
    
    .value-row {
        padding: 20px 15px;
    }
    
    .value-content h3 {
        font-size: 1.2rem;
    }
    
    .value-content p {
        font-size: 0.85rem;
    }
    
    .value-icon {
        width: 55px;
        height: 55px;
    }
    
    .value-icon i {
        font-size: 1.3rem;
    }
}

/* 매우 소형 모바일 (480px 이하) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .scroll-card {
        min-width: 230px;
        width: 230px;
        padding: 18px 12px;
    }
    
    .benefits-item {
        min-height: 250px;
    }
    
    .benefits-content {
        padding: 25px 15px 15px;
    }
    
    .benefits-content h3 {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    
    .benefits-content p {
        font-size: 0.8rem;
    }
    
    .value-number {
        font-size: 2.5rem;
        top: -10px;
        left: 15px;
    }
    
    .value-row {
        padding: 18px 12px;
        border-radius: 16px;
    }
    
    .value-icon {
        width: 50px;
        height: 50px;
    }
    
    .value-icon i {
        font-size: 1.2rem;
    }
}

/* 슬라이드 애니메이션 */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 터치 디바이스 최적화 */
@media (hover: none) and (pointer: coarse) {
    .scroll-card:hover,
    .benefits-item:hover,
    .value-row:hover {
        transform: none;
    }
    
    .scroll-card:active,
    .benefits-item:active,
    .value-row:active {
        transform: scale(0.98);
    }
}

/* 고해상도 디스플레이 최적화 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero-background img,
    .benefits-image img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* 다크 모드 감지 및 대응 */
@media (prefers-color-scheme: dark) {
    @media (max-width: 768px) {
        .nav-links {
            background: rgba(40, 40, 40, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .nav-links a {
            color: #fff;
        }
        
        .mobile-toggle span {
            background: #fff;
        }
    }
}

/* 접근성 개선 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .infinite-scroll-track {
        animation: none;
    }
}
