/* 
 * 코아시아 HR 포털 - 공통 스타일
 * 기업용 공식 디자인 (전문적, 신뢰감)
 */

/* ============================
   1. 기본 설정 및 변수
   ============================ */
:root {
  /* Primary Colors */
  --primary-color: #0052A5;
  --primary-dark: #003D7A;
  --primary-light: #E8F1F8;
  
  /* Accent Colors */
  --accent-color: #FF6B35;
  --accent-light: #FFF3EF;
  
  /* UI Colors */
  --bg-color: #FFFFFF;
  --surface-color: #F7F9FC;
  --text-primary: #2C3E50;
  --text-secondary: #7F8C8D;
  --border-color: #E0E6ED;
  
  /* Status Colors */
  --success-color: #28A745;
  --error-color: #DC3545;
  --warning-color: #FFC107;
  --info-color: #17A2B8;
  
  /* Font Sizes */
  --font-size-h1: 36px;
  --font-size-h2: 28px;
  --font-size-h3: 22px;
  --font-size-h4: 18px;
  --font-size-body: 16px;
  --font-size-small: 14px;
  --font-size-caption: 12px;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
  
  /* Transitions */
  --transition: all 0.3s ease;
  
  /* Layout */
  --max-width: 1400px;
  --header-height: 80px;
}

/* ============================
   2. Reset & Base Styles
   ============================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Pretendard', 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--bg-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================
   3. Typography
   ============================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--primary-dark);
  border-bottom: 2px solid var(--primary-dark);
}

/* ============================
   4. Layout Containers
   ============================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  font-size: var(--font-size-h2);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  font-size: var(--font-size-body);
  color: var(--text-secondary);
}

/* ============================
   5. Header - Sticky with enhanced style
   ============================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  height: var(--header-height);
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
}

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

.logo {
  display: flex;
  align-items: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
}

.logo:hover {
  border-bottom: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-body);
  font-weight: 500;
  color: var(--text-primary);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary-color);
  border-bottom: none;
}

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

/* Dropdown Menu - Fixed submenu below header when active */
.dropdown-menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  width: 100%;
  background-color: white;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
  list-style: none;
  z-index: 998;
  display: flex;
  justify-content: center;
  max-height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Active dropdown - stays open and visible */
.nav-item.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  max-height: 200px;
  transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease, max-height 0.2s ease;
  pointer-events: auto;
}

/* Keep dropdown open on hover too */
.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  max-height: 200px;
  pointer-events: auto;
}

/* Dropdown inner container - Horizontal grid layout */
.dropdown-menu-inner {
  max-width: var(--max-width);
  width: 100%;
  padding: 20px 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 8px 24px;
  align-items: start;
}

/* For items with 5+ menu items, use 3 columns */
.nav-item:nth-child(1) .dropdown-menu-inner,
.nav-item:nth-child(3) .dropdown-menu-inner,
.nav-item:nth-child(4) .dropdown-menu-inner {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  max-width: 900px;
  margin: 0 auto;
}

/* For items with 3 or fewer items, use fewer columns */
.nav-item:nth-child(2) .dropdown-menu-inner,
.nav-item:nth-child(6) .dropdown-menu-inner {
  grid-template-columns: repeat(3, 1fr);
  max-width: 700px;
  margin: 0 auto;
}

/* 채용 메뉴 - 10개 항목을 가로로 표시 (데스크톱: 5열 x 2줄) */
.dropdown-grid-5 {
  grid-template-columns: repeat(5, 1fr) !important;
  max-width: 1400px !important;
  margin: 0 auto;
  gap: 12px 20px !important;
  padding: 20px 48px !important;
}

/* Remove old active dropdown styles */

/* Active state for nav-link - Beautiful box style */
.nav-item.active > .nav-link,
.nav-item:hover > .nav-link {
  color: var(--primary-color);
  background: linear-gradient(135deg, var(--primary-light) 0%, #E0EAF5 100%);
  padding: 10px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 82, 165, 0.15);
  transform: translateY(-2px);
}

.nav-link {
  transition: all 0.3s ease;
  padding: 10px 12px;
  border-radius: 8px;
}

.nav-item.active > .nav-link .fa-chevron-down,
.nav-item:hover > .nav-link .fa-chevron-down {
  transform: rotate(180deg);
  transition: transform 0.3s ease;
}

.nav-link .fa-chevron-down {
  transition: transform 0.3s ease;
  margin-left: 4px;
}

.dropdown-item {
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  background-color: transparent;
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.dropdown-item:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, #E0EAF5 100%);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  transform: none;
  box-shadow: 0 2px 6px rgba(0, 82, 165, 0.1);
  text-decoration: none;
}

.dropdown-item:active {
  transform: scale(0.98);
  box-shadow: 0 1px 3px rgba(0, 82, 165, 0.15);
}

.dropdown-item i {
  font-size: 14px;
  width: 18px;
  text-align: center;
  color: var(--primary-color);
}

/* Dropdown column for mega menu */
.dropdown-column {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dropdown-column-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  padding: 8px 16px 12px;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: transparent;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.icon-btn:hover {
  background-color: var(--surface-color);
  color: var(--primary-color);
}

.icon-btn i {
  font-size: 20px;
}

.notification-badge {
  position: absolute;
  top: 5px;
  right: 5px;
  background-color: var(--error-color);
  color: white;
  font-size: var(--font-size-caption);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

.user-menu {
  position: relative;
}

.user-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: transparent;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: var(--transition);
  font-size: var(--font-size-body);
  color: var(--text-primary);
}

.user-button:hover {
  background-color: var(--surface-color);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-small);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 3px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================
   6. Footer
   ============================ */
.footer {
  background-color: var(--text-primary);
  color: white;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: white;
  font-size: var(--font-size-h4);
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-small);
  transition: var(--transition);
}

.footer-links a:hover {
  color: white;
  border-bottom-color: white;
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  transition: var(--transition);
}

.social-link:hover {
  background-color: var(--primary-color);
  border-bottom: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-small);
}

/* ============================
   7. Buttons
   ============================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-body);
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  min-height: 48px;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-bottom: none;
}

.btn-secondary {
  background-color: white;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-light);
  border-bottom-color: var(--primary-color);
}

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

.btn-accent:hover {
  background-color: #E85A2B;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-bottom: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-outline:hover {
  background-color: var(--surface-color);
  border-color: var(--text-primary);
  border-bottom-color: var(--text-primary);
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-small);
  min-height: 36px;
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: var(--font-size-h4);
  min-height: 56px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================
   8. Cards
   ============================ */
.card {
  background-color: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  transition: var(--transition);
}

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

.card-header {
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-h4);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.card-body {
  margin-bottom: var(--spacing-md);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
}

/* ============================
   9. Forms
   ============================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-body);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-label.required::after {
  content: ' *';
  color: var(--error-color);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
  font-family: inherit;
  background-color: white;
}

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

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

.form-help {
  display: block;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-small);
  color: var(--text-secondary);
}

.form-error {
  display: block;
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-small);
  color: var(--error-color);
}

.form-input.error {
  border-color: var(--error-color);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.form-check-input {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.form-check-label {
  font-size: var(--font-size-body);
  color: var(--text-primary);
  cursor: pointer;
}

/* ============================
   10. Badges & Tags
   ============================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: var(--font-size-small);
  font-weight: 500;
  border-radius: 20px;
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary-color);
}

.badge-success {
  background-color: #E8F5E9;
  color: var(--success-color);
}

.badge-error {
  background-color: #FFEBEE;
  color: var(--error-color);
}

.badge-warning {
  background-color: #FFF8E1;
  color: #F57C00;
}

.badge-info {
  background-color: #E0F7FA;
  color: var(--info-color);
}

/* ============================
   11. Tables
   ============================ */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
}

.table thead {
  background-color: var(--surface-color);
}

.table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 2px solid var(--border-color);
}

.table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
  background-color: var(--surface-color);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* ============================
   12. Alerts
   ============================ */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.alert-success {
  background-color: #E8F5E9;
  color: var(--success-color);
  border-left: 4px solid var(--success-color);
}

.alert-error {
  background-color: #FFEBEE;
  color: var(--error-color);
  border-left: 4px solid var(--error-color);
}

.alert-warning {
  background-color: #FFF8E1;
  color: #F57C00;
  border-left: 4px solid #F57C00;
}

.alert-info {
  background-color: #E0F7FA;
  color: var(--info-color);
  border-left: 4px solid var(--info-color);
}

/* ============================
   13. Loading & Spinner
   ============================ */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================
   14. Modal
   ============================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background-color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.modal-title {
  font-size: var(--font-size-h3);
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: var(--spacing-sm);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  margin-bottom: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

/* ============================
   15. Grid System
   ============================ */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ============================
   16. Utilities
   ============================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-error { color: var(--error-color); }
.text-warning { color: var(--warning-color); }

.bg-primary { background-color: var(--primary-color); }
.bg-surface { background-color: var(--surface-color); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* ============================
   17. Responsive Design
   ============================ */

/* Tablet (768px ~ 1023px) */
@media (max-width: 1023px) {
  :root {
    --font-size-h1: 32px;
    --font-size-h2: 24px;
    --font-size-h3: 20px;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Mega menu adjustments for tablet */
  .dropdown-menu-inner {
    padding: 24px 32px;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 24px;
  }
  
  /* 채용 메뉴 - 태블릿에서 3열 */
  .dropdown-grid-5 {
    grid-template-columns: repeat(3, 1fr) !important;
    max-width: 800px !important;
  }
  
  .nav-item:nth-child(1) .dropdown-menu-inner,
  .nav-item:nth-child(3) .dropdown-menu-inner,
  .nav-item:nth-child(4) .dropdown-menu-inner {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dropdown-item {
    padding: 10px 14px;
    font-size: 14px;
  }
}

/* Mobile (~ 767px) */
@media (max-width: 767px) {
  :root {
    --font-size-h1: 28px;
    --font-size-h2: 22px;
    --font-size-h3: 18px;
    --font-size-body: 14px;
    --header-height: 60px;
  }
  
  body {
    padding-bottom: 60px; /* 하단 탭바 공간 */
  }
  
  .header-container {
    padding: 0 var(--spacing-md);
  }
  
  .logo {
    font-size: 20px;
  }
  
  /* Hide desktop menu on mobile */
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  /* Mobile mega menu - full width dropdown */
  .dropdown-menu {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-height);
    width: 100%;
  }
  
  .dropdown-menu-inner {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 8px;
  }
  
  .dropdown-item {
    padding: 12px 16px;
    font-size: 14px;
  }
  
  /* 채용 메뉴 - 모바일에서 2열 */
  .dropdown-grid-5 {
    grid-template-columns: repeat(2, 1fr) !important;
    max-width: 100% !important;
    gap: 12px !important;
  }
  
  /* Mobile Navigation */
  .mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 280px;
    height: calc(100vh - var(--header-height));
    background-color: white;
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    overflow-y: auto;
    transition: left 0.3s ease;
    z-index: 999;
  }
  
  .mobile-nav.active {
    left: 0;
  }
  
  .mobile-nav-menu {
    list-style: none;
  }
  
  .mobile-nav-item {
    margin-bottom: var(--spacing-md);
  }
  
  .mobile-nav-link {
    display: block;
    padding: var(--spacing-md);
    color: var(--text-primary);
    font-size: var(--font-size-body);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition);
  }
  
  .mobile-nav-link:hover {
    background-color: var(--surface-color);
    color: var(--primary-color);
    border-bottom: none;
  }
  
  /* Mobile Bottom Tab Bar */
  .mobile-tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) 0;
    z-index: 1000;
  }
  
  .tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: var(--font-size-caption);
    transition: var(--transition);
    flex: 1;
    text-align: center;
  }
  
  .tab-item:hover {
    border-bottom: none;
  }
  
  .tab-item.active {
    color: var(--primary-color);
  }
  
  .tab-item i {
    font-size: 20px;
  }
  
  /* Footer on mobile */
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  /* Grid on mobile */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  /* Buttons on mobile */
  .btn {
    min-height: 44px;
    width: 100%;
  }
  
  /* Modal on mobile */
  .modal {
    width: 95%;
    padding: var(--spacing-lg);
  }
  
  /* Cards on mobile */
  .card {
    padding: var(--spacing-md);
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .mobile-tab-bar,
  .btn {
    display: none;
  }
}