/* ====================================
   으뜸장례컨설팅 - Main Stylesheet
   Professional Structure by Senior Developer
==================================== */

/* ====================================
   1. CSS Variables (Design System)
==================================== */
:root {
  /* Colors */
  --color-primary: #5fb3b3;
  --color-primary-light: #7dc5c5;
  --color-primary-dark: #4a9999;
  
  --color-text: #1a1a1a;
  --color-text-muted: #666;
  --color-text-light: #999;
  
  --color-bg: #ffffff;
  --color-bg-muted: #f8f9fa;
  --color-bg-gradient-start: #f5e6d3;
  --color-bg-gradient-end: #fdf6ed;
  
  --color-border: #e9ecef;
  --color-border-light: #f1f3f5;
  
  --color-success: #28a745;
  --color-kakao: #FEE500;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  
  /* Layout */
  --max-width-container: 1200px;
  --max-width-content: 800px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  
  /* Transitions */
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

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

html {
  font-size: var(--font-size-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-bg);
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ====================================
   3. Layout Components
==================================== */

/* Header */
.header {
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.brand {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.brand-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

/* Navigation */
.tab-nav {
  background: transparent;
  border-bottom: none;
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-xs);
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 600;
  color: var(--color-text-muted);
  border-bottom: 3px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--color-primary);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Main Content Container */
.page-content {
  padding: var(--spacing-2xl) var(--spacing-md);
  min-height: calc(100vh - 200px);
}

.container {
  max-width: var(--max-width-container);
  margin: 0 auto;
}

.section {
  margin-bottom: var(--spacing-xl);
}

/* ====================================
   4. Hero Section (메인 페이지)
==================================== */
.hero-section {
  max-width: var(--max-width-container);
  margin: 0 auto var(--spacing-xl);
  display: flex;
  gap: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.hero-left {
  flex: 1;
  padding: var(--spacing-xl) var(--spacing-lg);
  background: url('../img/007.avif') center/cover no-repeat;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-left::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../img/007.avif') center/cover no-repeat;
  transform: scaleX(-1);
  z-index: 0;
}

.hero-left::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 1;
}

.hero-left > * {
  position: relative;
  z-index: 2;
}

.hero-right {
  flex: 0 0 380px;
  padding: var(--spacing-xl) var(--spacing-lg);
  background: var(--color-bg);
  box-shadow: -4px 0 16px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
}

.hero-tags {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-tag {
  display: inline-block;
  padding: var(--spacing-xs) 18px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.85em;
  font-weight: 600;
}

.hero-subtitle {
  font-size: 1.1em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 12px;
  line-height: 1.6;
  font-weight: 500;
}

.hero-main-title {
  font-size: clamp(2.5em, 5vw, 3.5em);
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
  color: #7dc5c5;
  line-height: 1.2;
}

.hero-description {
  font-size: 1em;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.6;
  font-weight: 500;
}

/* Contact Box (Hero Right) */
.contact-box {
  width: 100%;
}

.contact-label {
  font-size: 0.9em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.contact-number {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 2em;
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.5px;
  transition: color var(--transition-base);
}

.contact-number:hover {
  color: var(--color-primary);
}

.phone-icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.kakao-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-kakao);
  color: #3c1e1e;
  font-weight: 700;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.kakao-icon {
  font-size: 1.2em;
}

.kakao-icon-img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.social-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-muted);
  border-radius: var(--radius-md);
  font-size: 1.5em;
  transition: all var(--transition-base);
}

.social-icon:hover {
  background: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.social-icon-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

/* ====================================
   5. Message Banner (메시지 배너)
==================================== */
.message-banner {
  max-width: var(--max-width-container);
  margin: 0 auto var(--spacing-xl);
  background: url('../img/003.png') 75% center/auto 100% no-repeat;
  background-attachment: scroll;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.message-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 1;
}

.message-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
}

.message-text {
  font-size: 1.1em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 4px;
  line-height: 1.4;
  font-weight: 500;
}

.message-text-emphasis {
  font-size: 1.5em;
  color: #fff;
  font-weight: 800;
  line-height: 1.3;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  margin-bottom: var(--spacing-sm);
}

.message-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: #fff;
  color: var(--color-text);
  font-size: 1em;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-base);
  margin-top: 0;
}

.message-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  gap: 12px;
  background: var(--color-primary);
  color: #fff;
}

/* ====================================
   6. Quick Links Section (빠른 링크)
==================================== */
.quick-links-section {
  max-width: var(--max-width-container);
  margin: 0 auto var(--spacing-lg);
  background: #f8f5f0;
  padding: var(--spacing-lg) var(--spacing-md);
  border-radius: var(--radius-xl);
}

.quick-links-container {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

.quick-links-title {
  font-size: 1.3em;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-sm);
}

.quick-link-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-align: center;
  min-height: 100px;
}

.quick-link-btn:hover {
  background: var(--color-bg-muted);
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.quick-link-icon {
  font-size: 2em;
  margin-bottom: var(--spacing-xs);
}

.quick-link-text {
  font-size: 0.95em;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

/* ====================================
   7. CTA Section (행동 유도 버튼)
==================================== */
.cta-section {
  max-width: var(--max-width-container);
  margin: 0 auto var(--spacing-xl);
  text-align: center;
}

.cta-container {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.cta-question {
  font-size: 1.8em;
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-xl);
  background: #fff;
  color: var(--color-primary);
  font-size: 1.1em;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-base);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  gap: 12px;
}

/* ====================================
   8. Product Cards (상품 카드)
==================================== */
.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  max-width: var(--max-width-container);
  margin: 0 auto;
}

.product-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  height: 480px;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

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

.product-card-premium {
  background-image: url('../img/004.jpg');
}

.product-card-simple {
  background-image: url('../img/005.jpg');
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.7) 100%);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
}

.product-content {
  transform: translateY(0);
  transition: transform var(--transition-slow);
}

.product-name {
  font-size: 2em;
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
  color: #fff;
}

.product-subtitle {
  font-size: 1em;
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.product-price {
  font-size: 1.1em;
  margin-bottom: var(--spacing-md);
  color: #fff;
  font-weight: 500;
}

.product-price strong {
  font-size: 1.8em;
  font-weight: 900;
  color: var(--color-primary);
}

.product-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.product-features li {
  padding: var(--spacing-xs) 0;
  font-size: 0.95em;
  color: rgba(255, 255, 255, 0.95);
  position: relative;
  padding-left: var(--spacing-md);
}

.product-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.product-btn {
  display: inline-block;
  padding: 12px var(--spacing-md);
  background: #fff;
  color: var(--color-text);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-base);
}

.product-btn:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateX(4px);
}

/* ====================================
   9. Estimate Banner (견적 배너)
==================================== */
.estimate-banner {
  display: block;
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: url('../img/006.png') center/cover no-repeat;
  border-radius: var(--radius-xl);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.estimate-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(95, 179, 179, 0.8) 0%, rgba(74, 153, 153, 0.9) 100%);
  z-index: 1;
}

.estimate-banner:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.estimate-content {
  position: relative;
  z-index: 2;
}

.estimate-title {
  font-size: 2.5em;
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
  color: #fff;
}

.estimate-desc {
  font-size: 1.2em;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
}

/* ====================================
   10. Products Page (상품안내 페이지)
==================================== */
.page-title {
  font-size: 2.5em;
  font-weight: 900;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text);
}

.page-subtitle {
  font-size: 1.2em;
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.main-product-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-slow);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.main-product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.product-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5em;
}

.main-product-card h3 {
  font-size: 1.8em;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.main-product-card .product-subtitle {
  font-size: 1em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
}

.main-product-card .product-price {
  font-size: 1.1em;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.main-product-card .product-price strong {
  font-size: 2em;
  color: var(--color-primary);
  font-weight: 900;
}

.main-product-card .product-features {
  text-align: left;
  margin-bottom: var(--spacing-md);
}

.main-product-card .product-features li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
  font-size: 0.95em;
}

.main-product-card .product-features li:last-child {
  border-bottom: none;
}

.cta-btn {
  display: inline-block;
  padding: 14px var(--spacing-lg);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

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

/* ====================================
   11. About Page (회사소개 페이지)
==================================== */
.about-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.about-intro h1 {
  font-size: 3em;
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.about-intro p {
  font-size: 1.2em;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* About Page Tabs */
.about-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-2xl);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}

.about-tab-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  font-size: 1.1em;
  font-weight: 700;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  bottom: -2px;
}

.about-tab-btn:hover {
  color: var(--color-primary);
}

.about-tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content-container {
  position: relative;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* CI Section */
.ci-section {
  margin-bottom: var(--spacing-2xl);
}

.ci-container {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--spacing-2xl);
  align-items: center;
  background: var(--color-bg);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.ci-subtitle {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.ci-description {
  font-size: 1em;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.ci-logo-box {
  text-align: center;
  background: var(--color-bg-muted);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
}

.ci-logo {
  width: 150px;
  height: 150px;
  margin: 0 auto var(--spacing-xl);
  object-fit: contain;
}

.ci-color-palette {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.ci-color-item {
  text-align: center;
}

.ci-color-box {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xs);
  box-shadow: var(--shadow-sm);
}

.ci-color-code {
  font-size: 0.85em;
  color: var(--color-text-muted);
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

/* CEO Section */
.ceo-section {
  margin-bottom: var(--spacing-2xl);
  background: url('../img/003.png') right bottom/auto 70% no-repeat;
  border-radius: var(--radius-xl);
  overflow: visible;
  box-shadow: var(--shadow-lg);
  position: relative;
  min-height: 450px;
}

.ceo-overlay {
  position: relative;
  background: linear-gradient(to right, 
    rgba(255, 255, 255, 1) 0%, 
    rgba(255, 255, 255, 0.98) 50%, 
    rgba(255, 255, 255, 0.7) 70%, 
    transparent 100%);
  padding: var(--spacing-xl) var(--spacing-lg);
  display: flex;
  align-items: flex-start;
  min-height: 450px;
}

.ceo-content {
  max-width: 650px;
  position: relative;
  z-index: 2;
}

.ceo-title {
  font-size: 1.8em;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.5px;
}

.ceo-message {
  font-size: 0.95em;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  text-align: justify;
}

.ceo-message strong {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.05em;
}

.ceo-signature {
  text-align: right;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-top: 2px solid var(--color-border);
  border-bottom: 1px solid var(--color-border-light);
}

.ceo-name {
  font-size: 0.85em;
  color: var(--color-text-light);
  margin-bottom: 4px;
  font-weight: 500;
}

.ceo-sign {
  font-size: 1.5em;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 2px;
}

.ceo-career {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.career-title {
  font-size: 1.2em;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
  padding-bottom: 6px;
  border-bottom: 3px solid var(--color-primary);
  display: inline-block;
}

.career-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.career-list li {
  font-size: 0.9em;
  color: var(--color-text);
  line-height: 1.9;
  padding-left: var(--spacing-sm);
  position: relative;
  font-weight: 500;
}

.career-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 50%;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-slow);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5em;
}

.feature-card h3 {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.feature-card p {
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ====================================
   12. Estimate Page (셀프견적 페이지)
==================================== */
.estimate-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1em;
  transition: border-color var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.radio-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  cursor: pointer;
}

.submit-btn {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1.1em;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

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

/* ====================================
   13. Apply Page (접수방법 페이지)
==================================== */
.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.contact-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-slow);
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.contact-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5em;
}

.contact-card h3 {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.contact-card p {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.contact-link {
  display: inline-block;
  padding: 12px var(--spacing-md);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

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

/* ====================================
   14. Business Info Section (사업자 정보)
==================================== */
.business-info {
  background: var(--color-bg-muted);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

.business-container {
  max-width: var(--max-width-container);
  margin: 0 auto;
}

.business-title {
  font-size: 1.2em;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.business-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.business-details p {
  font-size: 0.9em;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.business-details strong {
  color: var(--color-text);
  font-weight: 600;
}

.business-copyright {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border-light);
  font-size: 0.85em;
  color: var(--color-text-light);
}

/* ====================================
   15. Responsive Design
==================================== */
@media (max-width: 968px) {
  :root {
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
  }
  
  .header-container {
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .brand {
    text-align: center;
    padding: var(--spacing-xs) 0;
  }
  
  .tab-nav {
    justify-content: center;
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--spacing-sm);
  }
  
  .hero-section {
    flex-direction: column;
  }
  
  .hero-left,
  .hero-right {
    flex: 1 1 auto;
    border-radius: var(--radius-xl);
  }
  
  .hero-right {
    margin-top: var(--spacing-md);
    box-shadow: var(--shadow-sm);
  }
  
  .hero-main-title {
    font-size: 2.2em;
  }
  
  .product-cards {
    grid-template-columns: 1fr;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .page-title {
    font-size: 2em;
  }
  
  .estimate-title {
    font-size: 2em;
  }
  
  .message-text {
    font-size: 1.1em;
  }
  
  .message-text-emphasis {
    font-size: 1.5em;
  }
  
  .message-cta-btn {
    font-size: 1em;
    padding: var(--spacing-sm) var(--spacing-lg);
  }
  
  .cta-question {
    font-size: 1.4em;
  }
  
  .cta-button {
    font-size: 1em;
    padding: var(--spacing-sm) var(--spacing-lg);
  }
  
  .ceo-section {
    background-position: center;
    min-height: auto;
  }
  
  .ceo-overlay {
    position: static;
    background: rgba(255, 255, 255, 0.95);
    padding: var(--spacing-lg);
  }
  
  .ceo-content {
    max-width: 100%;
  }
  
  .ci-container {
    grid-template-columns: 1fr;
    padding: var(--spacing-lg);
  }
  
  .about-tab-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1em;
  }
  
  .business-details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tab-nav {
    justify-content: flex-start;
  }
  
  .tab-btn {
    padding: 12px var(--spacing-sm);
    font-size: 0.9em;
  }
  
  .hero-left,
  .hero-right {
    padding: var(--spacing-md);
  }
  
  .contact-number {
    font-size: 1.5em;
  }
  
  .social-icon {
    width: 40px;
    height: 40px;
    font-size: 1.2em;
  }
}

/* ====================================
   16. Utility Classes
==================================== */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-muted);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

/* ====================================
   17. Modal Styles (사전문의 방법 모달)
==================================== */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease;
}

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

.modal-content {
  background-color: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s ease;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  right: 20px;
  top: 20px;
  font-size: 28px;
  font-weight: bold;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-base);
  line-height: 1;
}

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

.modal-title {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  line-height: 1.4;
}

.inquiry-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.info-paragraph {
  color: var(--color-text);
  line-height: 1.8;
  font-size: 1em;
  margin-bottom: var(--spacing-sm);
}

.highlight-text {
  font-weight: 700;
  color: var(--color-primary);
}

.inquiry-cta-btn {
  display: block;
  text-align: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 1.1em;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  margin-top: var(--spacing-md);
}

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

.inquiry-cta-btn strong {
  display: block;
  font-size: 1.4em;
  font-weight: 800;
  margin-top: 8px;
  letter-spacing: 1px;
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}