/* =============================================================
   COSTREE (코스트리) - Main Stylesheet
   Version: 1.0
   Color Palette: Deep Forest Green + Warm Copper + Warm Ivory
   ============================================================= */

/* =============================================================
   [0] CSS Custom Properties (Design Tokens)
   ============================================================= */
:root {
  --color-primary:       #2D5A3D;  /* 딥 포레스트 그린 - 로고, 강조 버튼 */
  --color-primary-light: #3D7A55;  /* 라이트 그린 */
  --color-secondary:     #C8956C;  /* 웜 코퍼 - 서브 액센트 */
  --color-bg:            #FAFAF7;  /* 웜 아이보리 배경 */
  --color-surface:       #FFFFFF;  /* 카드 배경 */
  --color-dark:          #1A1A1A;  /* 다크 텍스트, 푸터 배경 */
  --color-muted:         #6B7B6E;  /* 부가 텍스트 */
  --color-border:        #E8E4DF;  /* 구분선 */
  --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --shadow-card:  0 2px 16px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.14);
  --transition:   all 0.3s ease;
}

/* =============================================================
   [0] Reset & Base
   ============================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-dark);
  font-size: 14px;
  line-height: 1.6;
  word-break: keep-all;
}

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

a:hover {
  color: var(--color-primary);
}

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

ul, ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

button {
  cursor: pointer;
  font-family: var(--font-family);
}

/* =============================================================
   [1] TOP BAR & HEADER (Premium Glassmorphism)
   ============================================================= */
.premium-header {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(224, 232, 224, 0.5);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 0;
  z-index: 1100;
  transition: all 0.3s ease;
}

/* 메인 네비게이션 영역 */
.header-inner {
  max-width: 1328px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* 로고 */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-svg {
  width: 48px;
  height: 48px;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 2.5px;
  line-height: 1;
}

/* GNB (데스크탑) */
.gnb-menu {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: 40px;
}

.gnb-menu a {
  font-size: 15px;
  font-weight: 600;
  color: #333;
  letter-spacing: 0.5px;
  padding: 8px 0;
  position: relative;
  transition: color 0.3s;
}

.gnb-menu a:hover {
  color: var(--color-primary);
}

.gnb-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.gnb-menu a:hover::after {
  width: 100%;
}

/* 우측 액션 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.minimal-search {
  display: flex;
  align-items: center;
  border-bottom: 1.5px solid #ddd;
  padding-bottom: 4px;
  transition: border-color 0.3s;
}

.minimal-search:focus-within {
  border-color: var(--color-primary);
}

.minimal-search input {
  border: none;
  background: transparent;
  width: 160px;
  font-size: 13px;
  outline: none;
  color: #333;
  transition: width 0.3s ease;
}

.minimal-search input:focus {
  width: 160px;
}

.minimal-search input::placeholder {
  color: #aaa;
}

.minimal-search button {
  background: none;
  border: none;
  color: #333;
  font-size: 15px;
  cursor: pointer;
  padding: 0;
}

.minimal-search button:hover {
  color: var(--color-primary);
}

.action-icon {
  background: none;
  border: none;
  font-size: 20px;
  color: #333;
  cursor: pointer;
  transition: color 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.action-icon:hover {
  color: var(--color-primary);
}


.mobile-only {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-primary);
  cursor: pointer;
}

/* =============================================================
   [2] 메가메뉴 (Overlay Dropdown)
   ============================================================= */
.premium-mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  border-top: 1px solid rgba(0,0,0,0.05);
  border-bottom: 4px solid var(--color-primary);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.premium-mega-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.premium-mega-menu .mega-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.premium-mega-menu .mega-col h3 {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 1.5px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.premium-mega-menu .mega-col ul li {
  margin-bottom: 10px;
}

.premium-mega-menu .mega-col ul li a {
  font-size: 14px;
  color: #555;
  transition: all 0.2s ease;
  display: inline-block;
}

.premium-mega-menu .mega-col ul li a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* 모바일 검색 버튼 (기본 숨김, 모바일에서 표시) */
.mobile-search-btn {
  display: none;
}

/* 검색 모달 */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 0;
}

.search-modal[hidden] {
  display: none;
}

.search-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.search-modal-content {
  position: relative;
  width: 100%;
  background: var(--color-surface);
  padding: 20px 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  animation: searchModalSlideDown 0.3s ease;
}

@keyframes searchModalSlideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.search-modal-form {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
  border: 2px solid var(--color-primary);
  border-radius: 50px;
  padding: 8px 16px;
  background: var(--color-bg);
}

.search-modal-form input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 16px;
  outline: none;
  color: var(--color-dark);
  font-family: var(--font-family);
}

.search-modal-form input::placeholder {
  color: var(--color-muted);
}

.search-modal-form button {
  background: var(--color-primary);
  border: none;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s;
}

.search-modal-form button:hover {
  background: var(--color-primary-light);
}

.search-modal-close {
  position: absolute;
  top: 20px;
  right: 16px;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--color-muted);
  cursor: pointer;
  padding: 4px;
  transition: color 0.2s;
}

.search-modal-close:hover {
  color: var(--color-dark);
}

/* Responsive GNB */
@media (max-width: 991px) {
  .header-actions .minimal-search {
    display: flex;
  }
  .minimal-search input {
    width: 100px;
  }
  .minimal-search input:focus {
    width: 100px;
  }
  .mobile-search-btn {
    display: none;
  }
  .gnb-menu {
    display: none !important;
  }
  .header-inner {
    padding: 12px 16px;
  }
  .premium-mega-menu .mega-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .premium-mega-menu .mega-inner {
    grid-template-columns: 1fr;
  }
}

/* =============================================================
   [4] Hero (#hero)
   ============================================================= */
#hero {
  height: 70vh;
  min-height: 480px;
  position: relative;
  overflow: hidden;
  padding: 0 24px;
}

#heroSlider {
  border-radius: 16px;
  overflow: hidden;
}

/* 슬라이드 */
.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease;
}

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

/* 오버레이 */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.5) 100%
  );
  z-index: 1;
}

/* 콘텐츠 */
.hero-content {
  position: absolute;
  bottom: 15%;
  left: 0;
  right: 0;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
  text-align: center;
  color: #ffffff;
  z-index: 2;
}

.hero-eyebrow {
  font-size: 16px;
  letter-spacing: 4px;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 0;
}

.hero-title {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  margin: 12px 0 24px;
}

/* 히어로 CTA 버튼 */
.btn-hero {
  display: inline-block;
  background: var(--color-secondary);
  color: #ffffff;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  cursor: pointer;
}

.btn-hero:hover {
  background: #ffffff;
  color: var(--color-dark);
  transform: translateY(-2px);
}

/* 화살표 버튼 */
#heroPrev,
#heroNext {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: #ffffff;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}

#heroPrev {
  left: 32px;
}

#heroNext {
  right: 32px;
}

#heroPrev:hover,
#heroNext:hover {
  background: rgba(255, 255, 255, 0.4);
}

/* 도트 인디케이터 */
#heroDots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0;
  z-index: 3;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  margin: 0 4px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}

.dot.active {
  background: #ffffff;
}

/* =============================================================
   [5] Category Bar (#categoryBar)
   ============================================================= */
#categoryBar {
  background: #ffffff;
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

/* 섹션 제목 공통 */
.section-title {
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--color-dark);
}

/* 카테고리 래퍼 */
.categories-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

/* 카테고리 아이템 */
.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  gap: 10px;
  cursor: pointer;
  min-width: 80px;
}

/* 아이콘 래퍼 */
.category-icon-wrap {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: #F3F0EC;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.category-icon-wrap img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  transition: filter 0.3s ease;
}

/* 호버 효과 */
.category-item:hover .category-icon-wrap {
  background: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.category-item:hover .category-icon-wrap img {
  filter: brightness(0) invert(1);
}

/* 카테고리 이름 */
.category-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-dark);
  text-align: center;
  line-height: 1.3;
}

/* =============================================================
   [6] Featured Products (#productsSection)
   ============================================================= */
#productsSection {
  background: var(--color-bg);
  padding: 64px 0;
}

/* 섹션 헤더 */
.section-header {
  text-align: center;
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-dark);
}

.section-header p {
  color: var(--color-muted);
  margin-top: 8px;
  font-size: 14px;
}

/* 섹션 구분선 */
.section-divider {
  width: 48px;
  height: 3px;
  background: var(--color-secondary);
  margin: 12px auto 0;
  border: none;
  border-radius: 2px;
}

/* 상품 그리드 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* 상품 카드 */
.product-card {
  background: var(--color-surface);
  border: 1px solid #e8ece8;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* 이미지 래퍼 - main.js 렌더링 클래스 */
.product-card .product-img-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f5f5f5;
}

.product-card .product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

/* 카드 바디 (product-info) - main.js 렌더링 클래스 */
.product-card .product-info {
  padding: 14px 16px 18px;
}

/* 상품명 */
.product-card .product-name,
.product-name {
  font-size: 14px;
  font-weight: 600;
  color: #222;
  margin-bottom: 6px;
  line-height: 1.4;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}

/* 상품 가격 */
.product-card .product-price,
.product-price {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary);
}

/* 상품 태그 뱃지 */
.product-card .product-tag,
.product-tag {
  display: inline-block;
  font-size: 11px;
  background: #E8F5E9;
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: 20px;
  margin-bottom: 8px;
}

/* 장바구니 버튼 */
.product-card .btn-cart,
.btn-cart {
  display: block;
  width: 100%;
  text-align: center;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  padding: 8px;
  border-radius: 6px;
  font-size: 13px;
  font-family: var(--font-family);
  cursor: pointer;
  margin-top: 10px;
  transition: background 0.2s;
}

.product-card .btn-cart:hover,
.btn-cart:hover {
  background: #1B5E20;
}

/* 상품 설명 (추가 필드용) */
.product-desc {
  font-size: 12px;
  color: var(--color-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
  line-height: 1.5;
}

/* 카테고리 배지 (추가 필드용) */
.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: #F0EDE8;
  border-radius: 50px;
  font-size: 11px;
  color: var(--color-primary);
  font-weight: 600;
}

.category-badge img {
  width: 14px;
  height: 14px;
  object-fit: contain;
}

/* 더보기 버튼 래퍼 */
.load-more-wrap {
  text-align: center;
  margin-top: 36px;
}

/* 더보기 버튼 */
.btn-load-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 40px auto 0;
  padding: 12px 40px;
  border: 2px solid var(--color-primary);
  border-radius: 50px;
  color: var(--color-primary);
  background: transparent;
  font-weight: 600;
  font-size: 14px;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition);
}

.btn-load-more:hover {
  background: var(--color-primary);
  color: #ffffff;
}

/* =============================================================
   [7] Info Strip (#infoStrip)
   ============================================================= */
#infoStrip {
  background: #F0EDE8;
  padding: 56px 0;
}

/* 인포 그리드 */
.info-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* 인포 카드 */
.info-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
}

/* 카드 아이콘 */
.info-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 18px;
  margin-bottom: 16px;
}

/* 카드 제목 */
.info-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-dark);
}

/* 전화번호 */
.info-phone {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

/* 카드 목록 */
.info-card ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.info-card ul li {
  font-size: 12px;
  color: var(--color-muted);
  padding: 2px 0;
  line-height: 1.5;
}

/* 은행 로고 */
.bank-logo {
  max-height: 32px;
  margin: 8px 0;
}

/* 계좌번호 */
.bank-account {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-dark);
  margin: 4px 0;
}

/* 예금주 */
.bank-holder {
  font-size: 13px;
  color: var(--color-muted);
}

/* 빠른 메뉴 그리드 */
.quick-menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.quick-menu-grid a {
  padding: 8px;
  background: #F3F0EC;
  border-radius: var(--radius-sm);
  font-size: 12px;
  text-align: center;
  color: var(--color-dark);
  font-weight: 600;
  transition: var(--transition);
  display: block;
}

.quick-menu-grid a:hover {
  background: var(--color-primary);
  color: #ffffff;
}

/* 공지사항 목록 */
.notice-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.notice-list li {
  border-bottom: 1px solid var(--color-border);
  padding: 6px 0;
}

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

.notice-list li a {
  font-size: 13px;
  color: #555555;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  transition: var(--transition);
}

.notice-list li a:hover {
  color: var(--color-primary);
}

/* =============================================================
   [8] Footer (#mainFooter)
   ============================================================= */
#mainFooter {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.6);
}

/* 사이트맵 영역 */
.footer-sitemap {
  padding: 48px 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-sitemap h5 {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.footer-sitemap a {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  padding: 3px 0;
  transition: var(--transition);
}

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

/* 정책 링크 영역 */
.footer-policy {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

.footer-policy a {
  color: rgba(255, 255, 255, 0.6);
  margin-right: 16px;
  transition: var(--transition);
  font-size: 12px;
}

.footer-policy a:hover {
  color: #ffffff;
}

/* 회사 주소 영역 */
.footer-address {
  padding: 20px 0;
  font-size: 12px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.4);
}

.footer-address span {
  margin-right: 12px;
}

/* 카피라이트 */
.footer-copyright {
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.3);
}

/* =============================================================
   [9] Scroll-to-top Button (.scroll-top-btn)
   ============================================================= */
.scroll-top-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: var(--transition);
  z-index: 999;
}

.scroll-top-btn.visible {
  display: flex;
}

.scroll-top-btn:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
}

/* =============================================================
   [10] Utility / Helper Classes
   ============================================================= */

/* 컨테이너 (Bootstrap container 보완) */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 텍스트 유틸리티 */
.text-primary  { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-muted    { color: var(--color-muted) !important; }

/* 배경 유틸리티 */
.bg-primary    { background-color: var(--color-primary) !important; }
.bg-surface    { background-color: var(--color-surface) !important; }

/* 공통 버튼 */
.btn-primary-costree {
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary-costree:hover {
  background: var(--color-primary-light);
  color: #ffffff;
}

.btn-outline-costree {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline-costree:hover {
  background: var(--color-primary);
  color: #ffffff;
}

/* 탭 버튼 그룹 */
.tab-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tab-btn {
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  background: #ffffff;
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active,
.tab-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* =============================================================
   [11] Responsive Media Queries
   ============================================================= */

/* 1199px 이하: 상품 3열 */
@media (max-width: 1199px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-sitemap {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 991px 이하: 상품 2열, Info 2x2 */
@media (max-width: 991px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-title {
    font-size: 32px;
  }

  #hero {
    height: 60vh;
  }

  .footer-sitemap {
    grid-template-columns: repeat(2, 1fr);
  }

  .mega-menu-inner {
    grid-template-columns: repeat(3, 1fr);
  }

  .search-form {
    max-width: 320px;
  }

}

/* 767px 이하: 상품 2열, 모바일 전환 */
@media (max-width: 767px) {
  #mainHeader .header-inner {
    display: flex;
    flex-wrap: wrap;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .info-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .hero-title {
    font-size: 26px;
  }

  #hero {
    height: 55vh;
  }

  .categories-wrapper {
    gap: 8px;
  }

  .category-icon-wrap {
    width: 60px;
    height: 60px;
  }

  .category-icon-wrap img {
    width: 30px;
    height: 30px;
  }

  .category-name {
    font-size: 11px;
  }

  .footer-sitemap {
    display: flex;
    overflow-x: auto;
    gap: 0;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
  }

  .footer-sitemap .footer-col {
    min-width: 140px;
    flex-shrink: 0;
    padding: 0 16px;
  }

  #topbar {
    display: none;
  }

  .hero-eyebrow {
    font-size: 13px;
    letter-spacing: 2px;
  }

  #mainHeader {
    height: 64px;
  }

  #megaMenu {
    top: 64px;
  }

  .logo-en {
    font-size: 22px;
  }

  .logo-ko {
    font-size: 11px;
  }

  .search-form {
    max-width: 200px;
  }

  .section-header h2 {
    font-size: 22px;
  }

  .scroll-top-btn {
    bottom: 20px;
    right: 20px;
  }

  .mega-menu-inner {
    grid-template-columns: repeat(2, 1fr);
    padding: 20px 0 24px;
  }

  .info-card {
    padding: 16px 12px;
  }
  .info-card h4 {
    font-size: 14px;
    margin-bottom: 8px;
  }
  .info-phone {
    font-size: 18px;
  }
  .info-card ul li {
    font-size: 11px;
  }
  .bank-account {
    font-size: 16px;
  }
  .quick-menu-grid a {
    font-size: 12px;
  }
  .notice-list li a {
    font-size: 12px;
  }
}

/* 575px 이하: 상품 1열 */
@media (max-width: 575px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 22px;
  }

  #hero {
    height: 50vh;
    min-height: 360px;
  }

  .hero-content {
    bottom: 10%;
  }

  .btn-hero {
    padding: 12px 28px;
    font-size: 14px;
  }

  #heroPrev,
  #heroNext {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }

  #heroPrev {
    left: 12px;
  }

  #heroNext {
    right: 12px;
  }

  .info-card {
    padding: 20px 16px;
  }

  .section-title {
    font-size: 18px;
  }

  .mega-menu-inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer-policy {
    flex-direction: column;
    align-items: flex-start;
  }

  .tab-group {
    gap: 6px;
  }

  .tab-btn {
    padding: 6px 14px;
    font-size: 12px;
  }
}