@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700;900&family=Outfit:wght@300;400;500;600;700;800&display=swap');

/* --- DESIGN SYSTEM TOKENS --- */
:root {
  /* Color Palette */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  --color-primary: #0284c7;
  /* Sky blue base */
  --color-primary-dark: #0369a1;
  --color-primary-light: #e0f2fe;

  --color-blue-gradient: linear-gradient(135deg, #0284c7 0%, #3b82f6 100%);
  --color-blue-gradient-hover: linear-gradient(135deg, #0369a1 0%, #2563eb 100%);

  --border-color: #e2e8f0;

  /* Typography */
  --font-family: 'Outfit', 'Noto Sans KR', sans-serif;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
  --shadow-blue: 0 10px 20px -3px rgba(2, 132, 199, 0.2);

  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --header-height: 80px;
  --max-width: 1200px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
}

/* --- RESET & GENERAL STYLES --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-family);
}

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

ul,
ol {
  list-style: none;
}

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

.section-padding {
  padding: 120px 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 80px 0;
  }
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  display: inline-block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.section-title span {
  background: var(--color-blue-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-normal);
  gap: 8px;
}

.btn-primary {
  background: var(--color-blue-gradient);
  color: var(--text-white);
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  background: var(--color-blue-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -3px rgba(2, 132, 199, 0.35);
}

.btn-secondary {
  background-color: var(--bg-primary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  transform: translateY(-2px);
}

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

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

/* --- HEADER / NAVIGATION --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  transition: var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  height: 70px;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid var(--border-color);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-blue-gradient);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-white);
}

.logo-text span {
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-blue-gradient);
  transition: var(--transition-normal);
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
}

/* Hamburger Menu Button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-normal);
}

@media (max-width: 1024px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 40px;
    gap: 24px;
    transition: var(--transition-normal);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-cta {
    width: 100%;
    margin-top: 16px;
  }

  .nav-cta .btn {
    width: 100%;
  }

  /* Hamburger transform when menu is active */
  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background-color: var(--bg-secondary);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* [사진 등록 안내] 메인 비주얼 배경 이미지를 변경하려면 아래 url('images/hero-bg.jpg') 경로를 새 이미지 파일 경로로 수정해 주세요. */
  /* 그라데이션 오버레이로 글자 가독성 확보 + 배경 이미지(images/hero-bg.jpg) 설정 */
  background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 35%, rgba(255, 255, 255, 0.7) 65%, rgba(255, 255, 255, 0.2) 100%),
    url('images/hero-bg.jpg') no-repeat center center;
  background-size: cover;
  background-color: #f1f5f9;
  /* 이미지 폴백 배경색 */
  z-index: 1;
}

.hero-container-content {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-content-wrapper {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-badge i {
  color: var(--color-primary);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: var(--color-blue-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.7;
}

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

@media (max-width: 991px) {
  .hero-bg {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95) 50%, rgba(255, 255, 255, 0.85) 75%, rgba(255, 255, 255, 0.4) 100%),
      url('images/hero-bg.jpg') no-repeat center center;
    background-size: cover;
  }

  .hero {
    padding-top: 140px;
    padding-bottom: 100px;
    min-height: 80vh;
  }

  .hero-content-wrapper {
    max-width: 100%;
    text-align: center;
  }

  .hero-badge {
    justify-content: center;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-btns {
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2.2rem;
  }

  .hero-btns {
    flex-direction: column;
    width: 100%;
  }

  .hero-btns .btn {
    width: 100%;
  }
}

/* --- STATS SECTION --- */
.stats {
  background-color: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item {
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20%;
  right: 0;
  height: 60%;
  width: 1px;
  background-color: var(--border-color);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 20px;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }
}

/* --- ABOUT/STRENGTHS SECTION --- */
.about {
  background-color: var(--bg-secondary);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.strength-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.strength-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-blue-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-normal);
}

.strength-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(2, 132, 199, 0.2);
}

.strength-card:hover::before {
  transform: scaleX(1);
}

.strength-icon {
  width: 60px;
  height: 60px;
  background-color: var(--color-primary-light);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 28px;
  transition: var(--transition-normal);
}

.strength-card:hover .strength-icon {
  background: var(--color-blue-gradient);
  color: var(--text-white);
  box-shadow: var(--shadow-blue);
}

.strength-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-main);
}

.strength-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

@media (max-width: 991px) {
  .strengths-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* --- PRODUCT SECTION --- */
.products {
  background-color: var(--bg-primary);
}


/* --- PRODUCTS SLIDER (제품군 슬라이더) --- */
.products-slider-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
}

.products-slider-container {
  overflow: hidden;
  width: 100%;
  padding: 15px 0;
  /* 카드가 움직일 때 위아래 입체 그림자 짤림 방지 */
}

.products-slider-track {
  display: flex;
  gap: 30px;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.products-slider-track .product-card {
  flex: 0 0 calc((100% - 60px) / 3);
  /* 데스크톱에서는 3개씩 보여줌 */
  width: calc((100% - 60px) / 3);
  margin-bottom: 0;
}

.products-slider-btn {
  background-color: var(--bg-primary);
  color: var(--color-primary-dark);
  border: 1px solid var(--border-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  flex-shrink: 0;
  z-index: 10;
}

.products-slider-btn:hover {
  background: var(--color-blue-gradient);
  color: var(--text-white);
  border-color: transparent;
  box-shadow: var(--shadow-blue);
  transform: scale(1.05);
}

.products-slider-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
  background-color: var(--bg-secondary);
  color: var(--text-light);
  border-color: var(--border-color);
  box-shadow: none;
}

.product-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(2, 132, 199, 0.25);
}

.product-image {
  position: relative;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.product-image:has(img) {
  cursor: pointer;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-image:has(img)::after {
  content: '\f00e';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(2, 132, 199, 0.4);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  opacity: 0;
  transition: var(--transition-normal);
  z-index: 2;
}

.product-image:has(img):hover::after {
  opacity: 1;
}

.product-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--text-muted);
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.product-image-placeholder i {
  font-size: 2.5rem;
  color: var(--color-primary);
  opacity: 0.6;
  transition: var(--transition-normal);
}

.product-card:hover .product-image-placeholder i {
  transform: scale(1.1) translateY(-2px);
}

.product-info {
  padding: 32px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  padding: 4px 10px;
  border-radius: 4px;
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.product-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.product-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.product-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.product-feature-tag {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.product-link {
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
}

.product-link i {
  transition: var(--transition-fast);
}

.product-card:hover .product-link {
  color: var(--color-primary-dark);
}

.product-card:hover .product-link i {
  transform: translateX(4px);
}

@media (max-width: 991px) {
  .products-slider-wrapper {
    gap: 10px;
  }

  .products-slider-track .product-card {
    flex: 0 0 calc(50% - 15px);
    /* 태블릿에서는 2개씩 보여줌 */
    width: calc(50% - 15px);
  }

  .products-slider-btn {
    width: 42px;
    height: 42px;
    font-size: 0.95rem;
  }
}

/* --- CASE STUDIES / GALLERY --- */
.portfolio {
  background-color: var(--bg-secondary);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 600;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  transition: var(--transition-normal);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-blue-gradient);
  color: var(--text-white);
  border-color: transparent;
  box-shadow: var(--shadow-blue);
}

/* --- PORTFOLIO SLIDER (시공사례 슬라이더) --- */
.portfolio-slider-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
}

.portfolio-slider-container {
  overflow: hidden;
  width: 100%;
  padding: 15px 0;
}

.portfolio-slider-track {
  display: flex;
  gap: 30px;
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.portfolio-slider-track .portfolio-item {
  flex: 0 0 calc((100% - 60px) / 3); /* Shows 3 items on desktop */
  width: calc((100% - 60px) / 3);
  margin-bottom: 0;
}

.portfolio-slider-btn {
  background-color: var(--bg-primary);
  color: var(--color-primary-dark);
  border: 1px solid var(--border-color);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  flex-shrink: 0;
  z-index: 10;
}

.portfolio-slider-btn:hover {
  background: var(--color-blue-gradient);
  color: var(--text-white);
  border-color: transparent;
  box-shadow: var(--shadow-blue);
  transform: scale(1.05);
}

.portfolio-slider-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
  background-color: var(--bg-secondary);
  color: var(--text-light);
  border-color: var(--border-color);
  box-shadow: none;
}

.portfolio-item {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.portfolio-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(2, 132, 199, 0.2);
}

.portfolio-visual-wrapper {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.portfolio-visual-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-visual-wrapper img {
  transform: scale(1.05);
}

.portfolio-visual-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--text-light);
  gap: 12px;
}

.portfolio-visual-placeholder i {
  font-size: 2.2rem;
  color: var(--color-primary);
  opacity: 0.5;
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(2, 132, 199, 0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay-btn {
  background-color: var(--bg-primary);
  color: var(--color-primary-dark);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transform: scale(0.8);
  transition: var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.portfolio-item:hover .portfolio-overlay-btn {
  transform: scale(1);
}

.portfolio-details {
  padding: 24px;
}

.portfolio-cat {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.portfolio-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.portfolio-location {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

@media (max-width: 991px) {
  .portfolio-slider-wrapper {
    gap: 10px;
  }
  .portfolio-slider-track .portfolio-item {
    flex: 0 0 calc(50% - 15px); /* Shows 2 items on tablet */
    width: calc(50% - 15px);
  }
  .portfolio-slider-btn {
    width: 42px;
    height: 42px;
    font-size: 0.95rem;
  }
}

@media (max-width: 768px) {
  .products-slider-track .product-card,
  .portfolio-slider-track .portfolio-item {
    flex: 0 0 100%; /* Shows 1 item on mobile */
    width: 100%;
  }
}

/* --- CONTACT / INQUIRY SECTION --- */
.contact {
  background-color: var(--bg-primary);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: flex-start;
}

.contact-info-panel {
  padding-right: 20px;
}

.contact-info-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main);
}

.contact-info-desc {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 1rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-primary-light);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-detail-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.contact-detail-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-form-panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 48px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--text-main);
  transition: var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.1);
}

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

.form-agreement {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 30px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-agreement input {
  margin-top: 4px;
  accent-color: var(--color-primary);
}

.form-agreement a {
  color: var(--color-primary);
  text-decoration: underline;
  font-weight: 500;
}

.contact-form-panel .btn {
  width: 100%;
}

@media (max-width: 991px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-info-panel {
    padding-right: 0;
  }
}

@media (max-width: 576px) {
  .contact-form-panel {
    padding: 30px 20px;
  }

  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

/* --- LOCATION SECTION (오시는 길) --- */
.location {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

.location-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: center;
}

.location-info-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.location-address {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  font-weight: 500;
}

.location-address i {
  color: var(--color-primary);
}

.location-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.location-detail-card {
  display: flex;
  gap: 16px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.location-detail-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(2, 132, 199, 0.15);
}

.location-detail-card .detail-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.location-detail-card .detail-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.location-detail-card .detail-text p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.map-container {
  height: 450px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

@media (max-width: 991px) {
  .location-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .map-container {
    height: 350px;
  }
}

/* --- FOOTER --- */
.footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 80px 0 30px;
  border-top: 1px solid #1e293b;
  font-size: 0.95rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo {
  color: var(--text-white);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-logo span {
  color: #38bdf8;
}

.footer-about-text {
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #1e293b;
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
  border: 1px solid #334155;
}

.footer-social-btn:hover {
  background-color: var(--color-primary);
  color: var(--text-white);
  transform: translateY(-3px);
  border-color: transparent;
}

.footer-title {
  color: var(--text-white);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 24px;
  position: relative;
}

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

.footer-link-item a:hover {
  color: var(--text-white);
  padding-left: 4px;
}

.footer-info-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-info-item {
  display: flex;
  gap: 12px;
  line-height: 1.5;
}

.footer-info-item i {
  color: #38bdf8;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.copyright {
  font-size: 0.85rem;
}

.footer-policy-links {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
}

.footer-policy-links a:hover {
  color: var(--text-white);
}

@media (max-width: 991px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 576px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

/* --- LIGHTBOX MODAL --- */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.95);
  z-index: 2000;
  display: none;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  max-width: 80%;
  max-height: 80%;
  position: relative;
  text-align: center;
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(30, 41, 59, 0.6);
  color: var(--text-white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--transition-fast);
  z-index: 2010;
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
}

.lightbox-prev {
  left: -70px;
}

.lightbox-next {
  right: -70px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  background-color: var(--color-primary);
  color: var(--text-white);
  border-color: transparent;
}

@media (max-width: 991px) {
  .lightbox-prev {
    left: -60px;
  }
  .lightbox-next {
    right: -60px;
  }
}

@media (max-width: 768px) {
  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  .lightbox-prev {
    left: 10px;
  }
  .lightbox-next {
    right: 10px;
  }
}

.lightbox-image {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: var(--border-radius-md);
  border: 1px solid #334155;
  box-shadow: var(--shadow-xl);
  display: block;
  margin: 0 auto;
}

.lightbox-placeholder {
  width: 600px;
  height: 450px;
  max-width: 100%;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border: 1px solid #334155;
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #94a3b8;
  gap: 20px;
}

.lightbox-placeholder i {
  font-size: 4rem;
  color: var(--color-primary);
}

.lightbox-caption {
  margin-top: 20px;
  color: var(--text-white);
  font-size: 1.25rem;
  font-weight: 700;
}

.lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--text-white);
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
}

/* Animation utilities */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- POLICY MODAL SPECIFIC STYLES --- */
.policy-modal-content {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 40px;
  width: 90%;
  max-width: 650px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
  color: var(--text-main);
  text-align: left;
}

.policy-modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-main);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 12px;
}

.policy-modal-body {
  overflow-y: auto;
  flex-grow: 1;
  padding-right: 10px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.policy-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 24px 0 10px;
}

.policy-text h4:first-of-type {
  margin-top: 0;
}

.policy-text p {
  margin-bottom: 14px;
}

.policy-modal-content .lightbox-close {
  color: var(--text-muted);
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 1.5rem;
  transition: var(--transition-fast);
}

.policy-modal-content .lightbox-close:hover {
  color: var(--text-main);
}