/* CUMO 스타일 시트 */

:root {
    --primary-color: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #3730A3;
    --primary-darker: #312E81;
    --primary-accent: #6366F1;
    --text-color: #333;
    --text-light: #666;
    --white: #ffffff;
    --gray-100: #f7fafc;
    --gray-200: #edf2f7;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 8px 25px rgba(79, 70, 229, 0.3);
    --border-radius: 12px;
    --border-radius-sm: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--white);
    overflow-x: hidden;
}



/* 헤더 */
.header {
    background: var(--white);
    color: var(--text-color);
    padding: 0;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--gray-200);
    width: 100%;
    max-width: 100%;
}

/* 푸터 */
.footer {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
}

.nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 50px;
    background: transparent;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    line-height: 1;
}

.logo img {
    height: 60px;
    width: auto;
    display: block;
}

.logo-img {
    height: 60px;
    width: auto;
    display: block;
}

.logo-tagline {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: normal;
    line-height: 1.2;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.nav-menu a:hover {
    background: var(--gray-100);
    color: var(--primary-color);
}

.user-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.user-btn {
    background: var(--gray-100);
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
}

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

/* 메인 섹션 */
.hero-section {
    text-align: center;
    padding: 100px 50px 100px;
    background: linear-gradient(90deg, #4F46E5 0%, #818CF8 100%);
    position: relative;
    width: 100%;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(1px);
}

.hero-title {
    font-size: 56px;
    font-weight: 780;
    margin-bottom: 24px;
    line-height: 1.2;
    color: var(--white);
}

.hero-subtitle {
    font-size: 23px;
    opacity: 0.9;
    margin-bottom: 50px;
    color: var(--white);
}

/* 검색 바 */
.search-container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    gap: 0;
    background: var(--white);
    border-radius: 50px;
    padding: 10px;
    box-shadow: var(--shadow-xl);
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 16px 24px;
    font-size: 16px;
    background: transparent;
    color: var(--text-color);
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-btn {
    background: linear-gradient(90deg, #4F46E5 0%, #818CF8 100%);
    color: var(--white);
    border: none;
    padding: 16px 32px;
    border-radius: 40px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.search-btn:hover {
    background: linear-gradient(90deg, #3730A3 0%, #6366F1 100%);
    transform: translateY(-1px);
    box-shadow: var(--shadow-primary);
}

/* 카테고리 섹션 (칩 스타일) */
.category-section {
    background: var(--white);
    padding: 25px 20px 20px; /* 상하 패딩 조정 */
}

.category-icons {
    display: flex;
    justify-content: center; /* 중앙 정렬 */
    gap: 12px; /* 칩 사이의 간격 */
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap; /* 항상 줄바꿈 허용 */
}

.category-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    padding: 8px 16px; /* 칩 패딩 */
    border-radius: 50px; /* 둥근 모서리 (알약 모양) */
    border: 1px solid var(--gray-200);
    background: transparent;
    flex-shrink: 0;
}

.category-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-item.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-primary);
    transform: translateY(-2px);
}

.category-icon {
    display: none; /* 아이콘 숨기기 */
}

.category-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    white-space: nowrap;
}

.category-item.active .category-label {
    color: var(--white);
}

.category-item:hover .category-label {
    color: var(--primary-dark);
}

.category-item.active:hover .category-label {
    color: var(--white);
}

/* 제품 섹션 */
.products-section {
    background: var(--white);
    padding: 15px 50px 60px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
    justify-content: center;
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid var(--gray-200);
    display: flex;
    flex-direction: column;
    min-height: 420px; /* 최소 높이 보장 */
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.product-header {
    background: linear-gradient(90deg, #4F46E5 0%, #818CF8 100%);
    color: var(--white);
    padding: 25px;
    position: relative;
}

.product-info {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.product-icon {
    font-size: 32px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
}

.product-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
}

.product-subtitle {
    font-size: 14px;
    opacity: 0.8;
}

.product-pricing {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-bottom: 15px;
}

.product-price {
    font-size: 32px;
    font-weight: 800;
}

.product-period {
    font-size: 16px;
    opacity: 0.8;
}

.payment-options {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.payment-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--white);
}

.product-body {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex: 1; /* 남은 공간을 모두 차지 */
}

.product-features {
    list-style: none;
    margin-bottom: 25px;
    flex: 1; /* 남은 공간을 모두 차지하여 버튼을 하단으로 밀어냄 */
}

.product-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    font-size: 14px;
    line-height: 1.5;
}

.product-features li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: 600;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.purchase-btn {
    width: 100%;
    background: linear-gradient(90deg, #4F46E5 0%, #818CF8 100%);
    color: var(--white);
    border: none;
    padding: 15px;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: auto; /* 버튼을 하단에 고정 */
}

.purchase-btn:hover {
    background: linear-gradient(90deg, #3730A3 0%, #6366F1 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

/* 배지 */
.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

.special-badge {
    background: linear-gradient(90deg, #818CF8 0%, #C084FC 100%);
    color: var(--white);
}

.fraction {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-color);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    position: absolute;
    bottom: 15px;
    right: 15px;
}

/* 태블릿 반응형 디자인 */
@media (max-width: 1200px) and (min-width: 769px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 20px;
    }
}

/* 모바일 반응형 디자인 */
@media (max-width: 768px) {
    .nav-bar {
        padding: 15px 20px;
        flex-wrap: wrap;
    }

    .nav-menu {
        gap: 15px;
    }

    .hero-section {
        padding: 80px 20px 60px;
    }

    .hero-title {
        font-size: 42px;
        max-width: 100%;
    }

    .hero-subtitle {
        font-size: 18px;
        max-width: 100%;
    }

    .search-container {
        max-width: 100%;
        margin: 0 20px;
        padding: 10px;
    }

    .search-input {
        font-size: 16px;
        padding: 16px 24px;
    }

    .search-btn {
        padding: 16px 28px;
        font-size: 16px;
    }

    .category-section {
        padding: 25px 20px 15px;
    }

    .category-title {
        font-size: 24px;
    }

    

    

    .products-section {
        padding: 40px 20px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        justify-content: center;
        max-width: 400px;
        margin: 0 auto;
    }

    .product-card {
        min-height: 380px;
        width: 100%;
        margin: 0;
    }
}

/* 배너 섹션 */
.banner-section {
    background: var(--white);
    padding: 20px 0;
}

/* 배너 슬라이더 스타일 */
.banner-container {
    position: relative;
    width: 100%;
    height: 400px;
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.banner-slider {
    display: flex;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.banner-slide {
    width: 100%;
    flex-shrink: 0;
    height: 100%;
    position: relative;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.5s ease;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.3s ease;
}

.banner-slide:hover img {
    transform: scale(1.05);
}

/* 배너 에러 스타일 */
.banner-error {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    text-align: center;
    padding: 40px;
}

.banner-error h3 {
    color: #2d3748;
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.banner-error p {
    color: #718096;
    margin-bottom: 20px;
}

.banner-error-button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.banner-error-button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.banner-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: none;
    color: white;
    padding: 40px 30px 30px;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.banner-slide:hover .banner-content {
    transform: translateY(-10px);
}

.banner-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-description {
    font-size: 1.1rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 임시 이미지 플레이스홀더 */
.banner-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
}

/* 배너 네비게이션 버튼 */
.banner-prev,
.banner-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 54px;
    height: 54px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(5px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0.7;
    overflow: hidden;
}

.banner-prev::before,
.banner-next::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: -1;
}

.banner-prev {
    left: 20px;
}

.banner-next {
    right: 20px;
}

.banner-prev svg,
.banner-next svg {
    transition: transform 0.3s ease;
}

.banner-prev:hover svg {
    transform: translateX(-2px);
}

.banner-next:hover svg {
    transform: translateX(2px);
}

.banner-prev:hover,
.banner-next:hover {
    opacity: 1;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.banner-prev:hover::before,
.banner-next:hover::before {
    transform: scale(1);
}

.banner-prev:active,
.banner-next:active {
    transform: translateY(-50%) scale(0.95);
}

/* 배너 인디케이터 */
.banner-dots {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
    padding: 6px 12px;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    border-radius: 30px;
}

.banner-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.banner-dot::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.banner-dot.active {
    background: transparent;
    transform: scale(1.2);
    border-color: white;
}

.banner-dot.active::after {
    transform: scale(0.6);
}

.banner-dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.1);
}

/* 배너 반응형 디자인 */
@media (max-width: 768px) {
    .banner-section {
        padding: 20px;
    }
    
    .banner-container {
        height: 250px;
        margin: 0;
    }
    
    .banner-title {
        font-size: 1.5rem;
    }
    
    .banner-description {
        font-size: 1rem;
    }
    
    .banner-content {
        padding: 30px 20px 20px;
    }
}

@media (max-width: 480px) {
    .banner-section {
        padding: 15px;
    }
    
    .banner-container {
        height: 200px;
        border-radius: 12px;
    }
    
    .banner-title {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }
    
    .banner-description {
        font-size: 0.9rem;
    }
    
    .banner-content {
        padding: 20px 15px 15px;
    }
    
    .banner-prev,
    .banner-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .banner-prev {
        left: 10px;
    }
    
    .banner-next {
        right: 10px;
    }
    
    .banner-dots {
        bottom: 15px;
        gap: 8px;
        padding: 6px 12px;
    }
    
    .banner-dot {
        width: 8px;
        height: 8px;
    }
}

/* 중간 모바일 화면 최적화 (481px - 767px) */
@media (min-width: 481px) and (max-width: 767px) {
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        max-width: 700px;
        margin: 0 auto;
    }
    
    .product-card {
        min-height: 400px;
    }
    
    .banner-container {
        height: 200px;
    }
    
    .banner-title {
        font-size: 1.4rem;
    }
    
    
}

/* 모바일 성능 최적화 */
@media (max-width: 768px) {
    /* 스크롤 성능 최적화 */
    * {
        -webkit-overflow-scrolling: touch;
        transform: translateZ(0); /* GPU 가속 활성화 */
    }
    
    /* 터치 지연 제거 */
    a, button, input, select, textarea {
        touch-action: manipulation;
    }
    
    /* 텍스트 선택 최적화 */
    .banner-content,
    .product-card {
        user-select: none;
        -webkit-user-select: none;
    }
    
    /* 애니메이션 최적화 - 모바일에서는 호버 효과 제거 */
    .product-card:hover {
        transform: none;
    }
    
    .banner-slide:hover img,
    .banner-slide:hover .banner-content {
        transform: none;
    }
    
    /* 폰트 렌더링 최적화 */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeSpeed;
    }
}

/* 접근성 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 스킵 링크 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--white);
    padding: 8px;
    text-decoration: none;
    z-index: 100;
    border-radius: 4px;
}

.skip-link:focus {
    top: 6px;
}

/* 포커스 스타일 */
button:focus,
a:focus,
.category-item:focus {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

/* About 섹션 스타일 */
.about-section .feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.about-section .cta-section button:hover {
    background: linear-gradient(135deg, #4338CA 0%, #6D28D9 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
}

.about-section .cta-section button:active {
    transform: translateY(0);
}

/* About 섹션 스타일 */
.about-section {
    background: var(--white);
    padding: 80px 0;
    margin-top: 60px;
}

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

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

.about-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a202c;
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-header .highlight {
    color: #4F46E5;
}

.about-header p {
    font-size: 1.2rem;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: 0 6px 25px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 15px;
}

.feature-card p {
    color: #718096;
    line-height: 1.6;
}

.benefits-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    padding: 50px 30px;
    text-align: center;
    color: white;
    margin-bottom: 60px;
}

.benefits-section h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.benefits-section > p {
    opacity: 0.9;
    margin-bottom: 40px;
    font-size: 1.1rem;
}

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

.benefit-item .icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.benefit-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.benefit-item p {
    opacity: 0.9;
    font-size: 0.9rem;
}

.guide-section {
    background: var(--white);
    padding: 60px 40px;
    border-radius: 20px;
    margin: 60px 0;
}

.guide-section h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 40px;
}

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

.guide-step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.step-number.one { background: #4F46E5; }
.step-number.two { background: #10B981; }
.step-number.three { background: #F59E0B; }
.step-number.four { background: #EF4444; }

.guide-step h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 10px;
}

.guide-step p {
    color: #4a5568;
    line-height: 1.6;
}

.stats-section {
    text-align: center;
    margin: 60px 0;
}

.stats-section h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 40px;
}

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

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.stat-number.blue { color: #4F46E5; }
.stat-number.green { color: #10B981; }
.stat-number.yellow { color: #F59E0B; }
.stat-number.red { color: #EF4444; }

.stat-label {
    font-size: 1.1rem;
    color: #4a5568;
    font-weight: 500;
}

.cta-section {
    text-align: center;
    margin-top: 60px;
}

.cta-section h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
}

.cta-section p {
    color: #718096;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.cta-button {
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.cta-button:hover {
    background: linear-gradient(135deg, #4338CA 0%, #6D28D9 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.6);
}

.brands-intro-section {
    margin: 80px 0;
}

.brands-intro-section h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 50px;
}

.brands-intro-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.tips-section {
    background: var(--white);
    padding: 60px 40px;
    border-radius: 20px;
    margin: 60px 0;
}

.tips-section h3 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 40px;
}

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

.tip-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.12);
}

.tip-card-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.tip-card-header .icon {
    font-size: 2rem;
    margin-right: 15px;
}

.tip-card-header h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
}

.tip-card p {
    color: #4a5568;
    line-height: 1.6;
}

.faq-section {
    margin: 80px auto;
    max-width: 800px;
    text-align: center;
}

.faq-section h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 50px;
}

.faq-item-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.12);
    overflow: hidden;
    margin-bottom: 20px;
}

.faq-item {
    padding: 20px;
    cursor: pointer;
    border-bottom: 1px solid #e2e8f0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
}

.faq-question .icon {
    font-size: 1.2rem;
    color: #4a5568;
}

.faq-answer {
    display: none;
    margin-top: 15px;
    color: #4a5568;
    line-height: 1.6;
}

/* About 섹션 반응형 */
@media (max-width: 768px) {
    .about-section {
        padding: 60px 0;
    }
    
    .about-header h2 {
        font-size: 2rem;
    }
    
    .about-header p {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 30px 20px;
    }
    
    .benefits-section {
        padding: 40px 20px;
    }
    
    .benefits-section h3 {
        font-size: 1.5rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .guide-section {
        padding: 40px 20px;
    }
    
    .guide-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .cta-section h3 {
        font-size: 1.5rem;
    }
    
    .cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .brands-intro-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tips-section {
        padding: 40px 20px;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .faq-section {
        margin: 60px 20px;
    }
}

/* 브랜드 소개 카드 스타일 */
.brand-intro-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 6px 25px rgba(0,0,0,0.12);
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease;
}

.brand-intro-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.brand-intro-header {
    text-align: center;
    margin-bottom: 20px;
}

.brand-intro-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.brand-intro-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2d3748;
    margin: 0;
}

.brand-intro-card p {
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: center;
}

.brand-intro-action {
    text-align: center;
}

.brand-intro-button {
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
}

.brand-intro-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Footer 스타일 */
.footer {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    color: white;
    padding: 60px 0 40px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-about h4 {
    margin: 0 0 20px 0;
    font-size: 18px;
    color: #f7fafc;
    border-bottom: 2px solid #4F46E5;
    padding-bottom: 8px;
    display: inline-block;
}

.footer-about p {
    color: #cbd5e0;
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.footer-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid;
}

.footer-tag.update {
    background: rgba(79, 70, 229, 0.1);
    border-color: rgba(79, 70, 229, 0.2);
}

.footer-tag.verified {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.2);
}

.footer-tag .icon {
    font-size: 14px;
}

.footer-tag .text {
    color: #cbd5e0;
    font-size: 13px;
}

.footer-links h4 {
    margin: 0 0 20px 0;
    font-size: 18px;
    color: #f7fafc;
    border-bottom: 2px solid #4F46E5;
    padding-bottom: 8px;
    display: inline-block;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #cbd5e0;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4F46E5;
}

.footer-social-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-social-link {
    color: #cbd5e0;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(255,255,255,0.05);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.footer-social-link:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    color: white;
}

.footer-social-link .icon {
    font-size: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
    text-align: center;
}

.footer-legal-links {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-legal-links a {
    color: #cbd5e0;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-legal-links a:hover {
    color: #4F46E5;
}

.footer-copyright {
    margin: 0;
    color: #718096;
    font-size: 14px;
}

.footer-copyright .highlight {
    color: #a0aec0;
}

.footer-deco-1 {
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(79, 70, 229, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-deco-2 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

/* 작은 모바일 화면 최적화 (480px 이하) */
@media (max-width: 480px) {
    /* 사이드바 완전 숨김 강화 */
    .side-panel,
    .ad-sidebar {
        display: none !important;
        width: 0 !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .main-content-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .nav-bar {
        padding: 10px 15px;
    }
    
    .logo img {
        height: 60px;
    }
    
    .logo-tagline {
        font-size: 12px;
    }
    
    .products-section {
        padding: 30px 15px;
    }
    
    .product-card {
        min-height: 360px;
        width: 100%;
    }
    
    .product-header {
        padding: 20px;
    }
    
    .product-icon {
        width: 40px;
        height: 40px;
        font-size: 24px;
    }
    
    .product-title {
        font-size: 18px;
    }
    
    .category-section {
        padding: 20px 15px 10px;
    }
    
    
    
    
    
    /* 터치 친화적 버튼 크기 */
    .purchase-btn {
        padding: 15px 20px;
        font-size: 16px;
        min-height: 44px; /* Apple 권장 터치 타겟 크기 */
    }
    
    .banner-prev,
    .banner-next {
        min-width: 44px;
        min-height: 44px;
    }
    
    .banner-dot {
        min-width: 24px;
        min-height: 24px;
        padding: 8px;
    }
}