/* =====================================================
   SB Engineering - 메인 스타일시트
   =====================================================

   ★ 색상/폰트 변경은 아래 :root 블록에서만 하면 됩니다!
   ===================================================== */

/* ===== CSS 변수 (여기서 색상/폰트 변경) ===== */
:root {
  --color-primary:   #c8102e;   /* 메인 빨간색 */
  --color-primary-dark: #8f0b20; /* 어두운 빨간색 (hover) */
  --color-dark:      #1a1a1a;   /* 진한 텍스트 */
  --color-gray:      #555555;   /* 보조 텍스트 */
  --color-light:     #888888;   /* 연한 텍스트 */
  --color-bg:        #ffffff;   /* 흰색 배경 */
  --color-bg-alt:    #f5f5f5;   /* 섹션 구분 배경 */
  --color-bg-dark:   #1a1a1a;   /* 어두운 배경 (footer) */
  --color-border:    #e0e0e0;   /* 테두리 */

  --font-main: 'Noto Sans KR', sans-serif;  /* 한국어+영어 폰트 */

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);

  --radius: 6px;
  --transition: 0.3s ease;

  --max-width: 1200px;
  --header-height: 70px;
}

/* ===== 기본 초기화 ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  color: var(--color-dark);
  background-color: var(--color-bg);
  line-height: 1.7;
}

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

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

ul, ol {
  list-style: none;
}

/* ===== 공통 레이아웃 ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

/* ===== 섹션 제목 공통 ===== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.3;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-gray);
  margin-top: 12px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 버튼 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

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

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

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

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

.btn-white:hover {
  background-color: transparent;
  color: white;
  border-color: white;
}

/* ===== 헤더 / 네비게이션 ===== */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background-color: white;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

#site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* 로고 */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-logo-mark {
  width: 36px;
  height: 36px;
  background-color: var(--color-primary);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  font-size: 18px;
  flex-shrink: 0;
}

.site-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo-text .name {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
}

.site-logo-text .sub {
  font-size: 11px;
  color: var(--color-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* 메인 네비 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-dark);
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background-color: rgba(200,16,46,0.06);
}

.nav-link .arrow {
  font-size: 10px;
  transition: transform 0.2s;
}

/* 드롭다운 */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
  z-index: 100;
}

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

.nav-item:hover .arrow {
  transform: rotate(180deg);
}

.dropdown-section {
  padding: 12px 0;
}

.dropdown-section + .dropdown-section {
  border-top: 1px solid var(--color-border);
}

.dropdown-label {
  display: block;
  padding: 4px 16px 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
}

.dropdown-link {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--color-gray);
  transition: var(--transition);
}

.dropdown-link:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
  padding-left: 20px;
}

/* 연락처 버튼 */
.header-contact-btn {
  padding: 9px 20px;
  font-size: 14px;
}

/* 모바일 햄버거 버튼 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-dark);
  transition: var(--transition);
  border-radius: 2px;
}

.mobile-menu-btn.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-btn.open span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 모바일 메뉴 */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  padding: 24px;
  overflow-y: auto;
  z-index: 999;
  border-top: 1px solid var(--color-border);
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-link {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  border-bottom: 1px solid var(--color-border);
}

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

.mobile-nav-submenu {
  padding: 8px 0 8px 16px;
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav-sublink {
  display: block;
  padding: 8px 0;
  font-size: 14px;
  color: var(--color-gray);
}

.mobile-nav-sublink:hover {
  color: var(--color-primary);
}

.mobile-nav-category {
  display: block;
  padding: 12px 0 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* 페이지 콘텐츠 여백 (고정 헤더 때문에) */
.page-content {
  padding-top: var(--header-height);
}

/* ===== 히어로 섹션 ===== */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d1a1a 50%, #1a1a1a 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/mainimg_1-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 60px 24px;
  color: white;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.hero-label::before {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background-color: var(--color-primary);
}

.hero-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-title .highlight {
  color: var(--color-primary);
}

.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
  flex-wrap: wrap;
}

.hero-stat-number {
  font-size: 36px;
  font-weight: 700;
  color: white;
  line-height: 1;
}

.hero-stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
}

/* ===== About 섹션 ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.about-feature {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.about-feature-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.3px;
  border-left: 3px solid var(--color-primary);
  padding-left: 10px;
}

.about-feature-text {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.7;
  padding-left: 13px;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
}

.about-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--color-primary);
  color: white;
  padding: 20px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.about-badge-number {
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
}

.about-badge-text {
  font-size: 12px;
  opacity: 0.85;
  margin-top: 2px;
}

/* ===== 제품 섹션 ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: white;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: var(--color-dark);
  display: flex;
  flex-direction: column;
}

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

.product-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-bg-alt);
}

.product-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-category {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.product-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.product-card-desc {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.6;
  flex: 1;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
}

.product-card-link:hover {
  gap: 10px;
}

/* ===== 납품처 섹션 ===== */
.clients-section {
  background: var(--color-bg-dark);
  color: white;
  padding: 64px 0;
}

.clients-section .section-title {
  color: white;
}

.clients-section .section-label {
  color: var(--color-primary);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 40px;
}

.client-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
}

.client-item:hover {
  background: rgba(200,16,46,0.15);
  border-color: var(--color-primary);
}

.client-name {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-top: 8px;
}

.client-type {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  margin-top: 2px;
}

/* ===== 연락처 CTA 섹션 ===== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.cta-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 18px;
  opacity: 0.85;
  margin-bottom: 40px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 푸터 ===== */
#site-footer {
  background-color: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .site-logo-text .name {
  color: white;
}

.footer-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  margin-top: 16px;
  line-height: 1.7;
}

.footer-contact-info {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
}

.footer-contact-item .icon {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 1px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: white;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 페이지 히어로 (서브 페이지용) ===== */
.page-hero {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2d1a1a 100%);
  color: white;
  padding: 80px 0 60px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: white;
}

.breadcrumb-sep {
  font-size: 10px;
}

.page-hero-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-hero-subtitle {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
}

/* ===== 제품 상세 페이지 ===== */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.product-images {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.product-main-image {
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-bg-alt);
  margin-bottom: 12px;
}

.product-main-image img {
  width: 100%;
  height: 360px;
  object-fit: contain;
  padding: 20px;
}

.product-thumbnails {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.product-thumb {
  width: 80px;
  height: 80px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  background: var(--color-bg-alt);
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-thumb:hover,
.product-thumb.active {
  border-color: var(--color-primary);
}

.product-info {}

.product-category-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(200,16,46,0.08);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.product-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
}

.product-subtitle {
  font-size: 18px;
  color: var(--color-gray);
  margin-bottom: 24px;
  font-weight: 400;
}

.product-desc {
  font-size: 15px;
  color: var(--color-gray);
  line-height: 1.8;
  margin-bottom: 32px;
}

/* 특징 목록 */
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  border-left: 3px solid var(--color-primary);
}

.feature-item-icon {
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item-text {
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.6;
}

/* 스펙 테이블 */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
}

.spec-table th,
.spec-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

.spec-table th {
  background: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-dark);
  width: 35%;
}

.spec-table td {
  color: var(--color-gray);
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

/* 제품 사이즈/메시 카드 */
.mesh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.mesh-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.mesh-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.mesh-size {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.mesh-range {
  font-size: 13px;
  color: var(--color-gray);
  margin-bottom: 4px;
}

.mesh-use {
  font-size: 12px;
  color: var(--color-light);
}

/* 서브 모델 카드 (Gritco 등) */
.model-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.model-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  color: var(--color-dark);
}

.model-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.model-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--color-bg-alt);
}

.model-card-body {
  padding: 16px 20px;
}

.model-card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.model-card-desc {
  font-size: 13px;
  color: var(--color-gray);
}

/* ===== 회사소개 페이지 ===== */
.about-page-content {
  font-size: 16px;
  color: var(--color-gray);
  line-height: 1.9;
}

.about-page-content p {
  margin-bottom: 20px;
}

.about-page-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 20px;
  margin-top: 48px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 48px 0;
}

.stat-box {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-bg-alt);
  border-radius: 8px;
  border-bottom: 3px solid var(--color-primary);
}

.stat-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--color-gray);
  margin-top: 6px;
}

/* ===== 연락처 페이지 ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: rgba(200,16,46,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 18px;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-light);
  margin-bottom: 4px;
}

.contact-info-value {
  font-size: 15px;
  color: var(--color-dark);
  font-weight: 500;
}

/* 문의 폼 */
.contact-form {
  background: var(--color-bg-alt);
  border-radius: 8px;
  padding: 40px;
}

.form-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-subtitle {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark);
}

.form-input,
.form-select,
.form-textarea {
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-main);
  font-size: 14px;
  color: var(--color-dark);
  background: white;
  transition: var(--transition);
  width: 100%;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}

.form-submit {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  margin-top: 8px;
}

/* 지도 영역 */
.map-container {
  margin-top: 40px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.map-container img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

/* ===== 제품 목록 페이지 ===== */
.products-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
}

.products-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-family: var(--font-main);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  background: white;
  color: var(--color-gray);
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* ===== 언어 전환 버튼 ===== */
.lang-toggle {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.lang-toggle button {
  padding: 5px 12px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-light);
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.lang-toggle button.active {
  background: var(--color-primary);
  color: white;
}

.lang-toggle button:hover:not(.active) {
  background: var(--color-bg-alt);
  color: var(--color-dark);
}

/* ===== PDF 다운로드 섹션 ===== */
.pdf-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.pdf-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: white;
  text-decoration: none;
  color: var(--color-dark);
  transition: var(--transition);
}

.pdf-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.pdf-card-icon {
  width: 36px;
  height: 36px;
  background: rgba(200,16,46,0.08);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.pdf-card-info {
  flex: 1;
  min-width: 0;
}

.pdf-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pdf-card-sub {
  font-size: 11px;
  color: var(--color-light);
  margin-top: 2px;
}

.pdf-card-dl {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ===== 유틸리티 ===== */
.text-primary { color: var(--color-primary); }
.text-center { text-align: center; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.mt-40 { margin-top: 40px; }

/* ===== 반응형 ===== */
@media (max-width: 1024px) {
  .about-grid,
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .product-images {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .main-nav,
  .header-contact-btn {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .hero-stats {
    gap: 32px;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

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

  .products-page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .page-hero-title {
    font-size: 30px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

  .hero-desc {
    font-size: 15px;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .mesh-grid {
    grid-template-columns: 1fr 1fr;
  }
}