/* ==========================================================================
   In This Time - 출장 풍선장식 랜딩페이지 CSS
   모바일 퍼스트 반응형 디자인 | 미니멀 스타일
   ========================================================================== */

/* CSS 변수 (색상 팔레트) - the act 레퍼런스 기반 */
:root {
  /* 색상 */
  --primary-color: #000000;
  --secondary-color: #2a2a2a;
  --accent-color: #757575;
  --light-gray: #f8f8f8;
  --text-dark: #000000;
  --text-light: #757575;
  --text-lighter: #a8a8a8;
  --bg-white: #ffffff;
  --bg-light: #fafafa;
  --border-color: #eeeeee;
  
  /* 포인트 색상 */
  --pink-color: #ff6b9d;
  --mint-color: #4ecdc4;
  --pink-light: #ffb3d1;
  --mint-light: #a8f0ec;
  
  /* 폰트 크기 (더 세련된 타이포그래피) */
  --font-size-small: clamp(0.875rem, 2vw, 0.95rem);
  --font-size-base: clamp(1rem, 2.5vw, 1.1rem);
  --font-size-large: clamp(1.125rem, 3vw, 1.25rem);
  --font-size-xl: clamp(1.5rem, 4vw, 1.8rem);
  --font-size-xxl: clamp(2.5rem, 6vw, 4rem);
  --font-size-hero: clamp(3rem, 8vw, 5.5rem);
  
  /* 간격 (더 넓은 여백) */
  --spacing-xs: 0.75rem;
  --spacing-sm: 1.5rem;
  --spacing-md: 2.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-xxl: 3rem;
  --spacing-hero: 6rem;
  
  /* 그림자 */
  --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
  
  /* 전환 효과 */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* 기본 리셋 및 기본 스타일 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Lato', sans-serif;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--bg-white);
  font-weight: 300;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 컨테이너 */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0;
}

/* 섹션 기본 스타일 */
section {
  padding: var(--spacing-xxl) 0;
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: 300;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--text-dark);
  letter-spacing: -0.02em;
  line-height: 1.3;
  padding-top: 2rem
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--mint-color);
  margin: var(--spacing-md) auto 0;
}

/* 헤더 */
.header {
  background-color: var(--bg-white) !important;
  border-bottom: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  
  min-height: 56px;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 46px;
 
  font-family: 'Lato', sans-serif;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

.logo a {
  font-size: var(--font-size-large);
  font-weight: 300;
  color: var(--text-dark);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: opacity var(--transition-fast);
}

.logo a:hover,
.logo a:focus {
  opacity: 0.6;
}

.logo-image {
  width: 76px;
  height: auto;
  vertical-align: middle;
  margin-right: 8px;
  padding-bottom: 8px;
}

.logo-text {
  display: inline;
}

@media (max-width: 1024px) {
  .header-content {
    min-height: 56px;
  }
  .logo-text {
    display: none;
  }
}

/* 네비게이션 */
.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
}

.nav-toggle span {
  width: 25px;
  height: 1px;
  background-color: var(--text-dark);
  margin: 3px 0;
  transition: all var(--transition-fast);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  padding-right: 8px;
}

.nav-list a {
  color: #191919;
  text-decoration: none;
  font-weight: 300;
  font-size: var(--font-size-small);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--text-dark);
}

/* 히어로 섹션 */
.hero {
  width: 100%;
  background-image: url("./image/main_banner.jpg");
  background-size: cover;
  background-position: center 15%;
  background-repeat: no-repeat;
  aspect-ratio: 21/8;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  
  transform: translate3d(0px, 0px, 0px);
  transition: background-image 1s ease-in-out;
}

/* Firebase 동적 히어로 컨텐츠 */
.hero .hero-content {
  z-index: 2;
  max-width: 800px;
  padding: 0 2rem;
}

.hero .hero-content .hero-title {
  font-size: var(--font-size-hero);
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
  color: white;
  animation: fadeInUp 1s ease-out;
}

.hero .hero-content .hero-description {
  font-size: var(--font-size-large);
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
  color: white;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.hero .hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.6s both;
  background: transparent;
  padding: 0;
}

.hero .btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.hero .btn-primary {
  background: linear-gradient(135deg, var(--pink-color) 0%, var(--mint-color) 100%);
  color: white;
}

.hero .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 157, 0.4);
}

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

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

/* Firebase 이미지 로딩 애니메이션 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: var(--font-size-xxl);
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--pink-color);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: var(--font-size-small);
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
  font-weight: 400;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.hero-description {
  font-size: var(--font-size-small);
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 히어로 콘텐츠 */
.hero-content {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-hero) var(--spacing-lg) 0;
  z-index: 1;
}

/* 히어로 버튼 섹션 */
.hero-buttons {
  background-color: var(--bg-white);
  padding: var(--spacing-xl) 0;
}

/* 연결 버튼들 */
.contact-buttons {
  display: flex;
  align-items: center;
  justify-content: center;  /* 중앙 정렬 */
  gap: 25px;
  width: 100%;  /* 전체 너비 사용 */
}

.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 0;
  text-decoration: none;
  font-weight: 300;
  font-size: var(--font-size-small);
  letter-spacing: 0.05em;
  transition: all var(--transition-medium);
  min-height: 80px;
  min-width: 180px;
  flex: 1;
  text-align: center;
  border: 1px solid var(--border-color);
  text-transform: uppercase;
}

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

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--mint-color);
  color: var(--bg-white);
  border-color: var(--mint-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(78, 205, 196, 0.3);
}

.btn-secondary {
  background-color: var(--bg-white);
  color: var(--text-light);
  border-color: var(--border-color);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--light-gray);
  color: var(--text-dark);
  border-color: var(--text-light);
  transform: translateY(-1px);
}

.btn-icon {
  width: 56px;
  height: 56px;
  vertical-align: middle;
 
}

.btn-icon-link {
  display: inline-block;
  
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.btn-label {
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-detail {
  font-weight: 300;
  font-size: 0.9em;
  opacity: 0.8;
  letter-spacing: normal;
  text-transform: none;
}

/* 회사 소개 섹션 */
.about {
  background-color: var(--bg-white);
  text-align: center;
  padding: var(--spacing-hero) 0;
}

@media (max-width: 1024px) {
  .about {
    padding: 20px 0;
  }
}

@media (max-width: 768px) {
  .about {
    padding: 15px 0;
  }
}

.about-text {
  font-size: var(--font-size-large);
  color: var(--text-light);
  margin-bottom: var(--spacing-xxl);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
  font-weight: 300;
  letter-spacing: -0.01em;
}

.strengths {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xxl);
  max-width: 1200px;
  margin: 0 auto;
}

.strength-item {
  padding: var(--spacing-xl) 0;
  background-color: transparent;
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-medium);
  text-align: center;
}

.strength-item:last-child {
  border-bottom: none;
}

.strength-item:hover {
  transform: translateY(-2px);
}

.strength-item h3 {
  font-size: var(--font-size-xl);
  font-weight: 300;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.strength-item p {
  color: var(--text-light);
  font-size: var(--font-size-base);
  font-weight: 300;
  line-height: 1.6;
}

/* 서비스 섹션 */
.services {
  background-color: var(--bg-light);
  padding: var(--spacing-hero) 0;
  overflow-x: hidden;
  width: 100%;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xxl);
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.service-card {
  background-color: var(--bg-white);
  border-radius: 8px;
  text-align: center;
  border: 1px solid var(--border-color);
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  transition: all var(--transition-medium);
  cursor: pointer;
  padding: 0;
  margin: 0;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
  border-color: var(--mint-color);
}

.service-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background-color: var(--light-gray);
  margin: 0;
  padding: 0;
  border-radius: 8px 8px 0 0;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-medium);
  display: block;
  border-radius: 8px 8px 0 0;
}

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

.service-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 서비스 이미지 skeleton loader */
.service-image-skeleton {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  border-radius: 8px 8px 0 0;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.service-image img.loaded {
  display: block !important;
}

.service-image img.loaded + .service-image-skeleton {
  display: none;
}


.service-icon {
  display: none;
}

.service-content h3 {
  font-size: var(--font-size-large);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
  letter-spacing: -0.02em;
  line-height: 1.3;
  word-break: keep-all;
}

.service-content p {
  color: var(--text-light);
  line-height: 1.6;
  font-size: var(--font-size-small);
  font-weight: 400;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}

/* 서비스 카드 변형 */
.service-card--primary {
  border: 2px solid var(--mint-color);
}

.service-card--primary .service-content h3 {
  color: var(--mint-color);
  font-weight: 600;
}



.service-subcategories {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
  justify-content: center;
}

.service-subcategories span {
  background-color: var(--light-gray);
  color: var(--text-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 20px;
  font-size: var(--font-size-small);
  font-weight: 300;
  letter-spacing: 0.02em;
}



/* 포트폴리오 섹션 */
.portfolio {
  background-color: var(--bg-white);
  padding: var(--spacing-hero) 0;
}

/* 견적문의 섹션 */
.quote-section {
  background-color: var(--bg-light);
  padding: var(--spacing-hero) 0;
}

/* 성공 메시지 스타일 */
.form-success-message {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    text-align: center;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
    animation: slideInFromTop 0.6s ease-out;
}

.form-success-message .success-content h3 {
    margin: 0 0 1rem 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.form-success-message .success-content p {
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.6;
}

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

.quote-form-wrapper {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-light);
}

.quote-form-title {
  font-size: var(--font-size-xl);
  font-weight: 500;
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
  letter-spacing: -0.02em;
}

.quote-form-notice {
  text-align: center;
  font-size: var(--font-size-small);
  color: var(--pink-color);
  margin-bottom: var(--spacing-xl);
  font-weight: 400;
}

.quote-form {
  width: 100%;
}

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

.form-group label {
  display: block;
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
  line-height: 1.4;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: var(--font-size-base);
  font-family: inherit;
  background-color: var(--bg-white);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

.form-group input[type="text"]:focus,
.form-group input[type="tel"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--mint-color);
  box-shadow: 0 0 0 2px rgba(78, 205, 196, 0.2);
}

.form-group input[type="text"]:required:invalid,
.form-group input[type="tel"]:required:invalid,
.form-group input[type="email"]:required:invalid,
.form-group textarea:required:invalid {
  border-color: var(--pink-color);
}

.checkbox-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-xs);
  font-size: var(--font-size-small);
  color: var(--text-dark);
  cursor: pointer;
  padding: calc(var(--spacing-xs) * 0.5) 0;
  line-height: 1.4;
}

.checkbox-item input[type="checkbox"] {
  margin: 0;
  flex-shrink: 0;
  margin-top: 2px;
}

.checkbox-item span {
  flex: 1;
  word-break: keep-all;
}

.privacy-checkbox {
  background-color: var(--light-gray);
  padding: var(--spacing-sm);
  border-radius: 4px;
  border: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
}

.privacy-checkbox span {
  font-weight: 500;
  color: var(--text-dark);
}

.privacy-checkbox input[type="checkbox"] {
  transform: scale(1.1);
}

.form-submit {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.submit-btn {
  background-color: var(--mint-color);
  color: var(--bg-white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-medium);
  min-width: 200px;
  font-family: inherit;
}

.submit-btn:hover {
  background-color: var(--pink-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 157, 0.3);
}

.submit-btn:active {
  transform: translateY(0);
}

.portfolio-header {
  text-align: left;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
}

.portfolio-title {
  font-size: var(--font-size-hero);
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  color: var(--mint-color);
  letter-spacing: -0.03em;
  line-height: 1.1;
  padding-top: 2rem;
}

.portfolio-description {
  font-size: var(--font-size-base);
  color: var(--text-light);
  line-height: 1.7;
  font-weight: 300;
}

/* 카테고리 필터 */
.portfolio-filters {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xxl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.filter-btn {
  background: none;
  border: none;
  font-size: var(--font-size-base);
  font-weight: 300;
  color: var(--text-light);
  cursor: pointer;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
  position: relative;
  font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--text-dark);
}

.filter-btn.active::after {
  content: '';
  position: absolute;
  bottom: -13px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--pink-color);
}

/* 포트폴리오 그리드 - 강제 2열 고정 */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: auto;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
  align-items: start;
}

/* 이미지 슬라이더 스타일 */
.image-slider {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.slider-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.slider-image.active {
  opacity: 1;
}

/* 이미지 슬라이더 기본 설정 복원 */

.image-controls {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 15px;
  z-index: 10;
}

.image-controls.single-image {
  justify-content: center;
}

.image-controls.single-image .prev-btn,
.image-controls.single-image .next-btn {
  display: none;
}

.prev-btn,
.next-btn {
  background: rgba(0, 0, 0, 0.7);
  color: white;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
  z-index: 20;
  position: relative;
  pointer-events: auto;
}

.prev-btn:hover,
.next-btn:hover {
  background: rgba(0, 0, 0, 0.7);
}

.image-dots {
  display: flex;
  gap: 6px;
  align-items: center;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background-color 0.3s ease;
  z-index: 20;
  position: relative;
  pointer-events: auto;
}

.dot.active {
  background: rgba(255, 255, 255, 0.9);
}

.dot:hover {
  background: rgba(255, 255, 255, 0.8);
}

.portfolio-card {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  transition: all var(--transition-medium);
  cursor: pointer;
  overflow: hidden;
  width: 100%;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.1);
  border-color: var(--text-lighter);
}

/* 카드 크기 변형 - 2열 레이아웃 (자동 크기) */
.portfolio-card--large,
.portfolio-card--medium,
.portfolio-card--small {
  width: 100%;
}

.portfolio-image {
  position: relative;
  overflow: hidden;
  flex: 1;
}

.portfolio-card--large .portfolio-image {
  aspect-ratio: 3/2;
}

.portfolio-card--medium .portfolio-image {
  aspect-ratio: 3/2;
}

.portfolio-card--small .portfolio-image {
  aspect-ratio: 3/2;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-medium);
  background-color: var(--light-gray);
}

.portfolio-image img:not([src]),
.portfolio-image img[src=""] {
  display: none;
}

.portfolio-image img:not([src]) + .portfolio-placeholder,
.portfolio-image img[src=""] + .portfolio-placeholder {
  display: flex;
}

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

.portfolio-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-lighter);
  font-weight: 300;
  font-size: var(--font-size-small);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all var(--transition-fast);
}

.portfolio-card:hover .portfolio-placeholder {
  background-color: var(--border-color);
  color: var(--text-light);
}

.portfolio-content {
  padding: var(--spacing-sm) var(--spacing-md);
  flex: 0 0 auto;
  text-align: center;
}

.portfolio-card-title {
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 0;
  letter-spacing: -0.01em;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
}

.portfolio-card-description {
  display: none;
}

.portfolio-tags {
  display: none;
}

.tag {
  background-color: var(--light-gray);
  color: var(--text-light);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-small);
  font-weight: 300;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: 0;
}

/* 인스타그램 섹션 */
.instagram {
  background-color: var(--bg-white);
  padding: var(--spacing-hero) 0;
}

.instagram-description {
  text-align: center;
  font-size: var(--font-size-base);
  color: var(--text-light);
  margin-bottom: var(--spacing-xxl);
  font-weight: 300;
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--spacing-sm);
  max-width: 1280px;
  margin: 0 auto;
}

.instagram-item {
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.instagram-item:hover {
  transform: scale(1.05);
}

.instagram-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.instagram-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

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

.instagram-icon {
  font-size: 2rem;
  color: var(--bg-white);
}

.instagram-cta {
  text-align: center;
  margin-top: var(--spacing-xxl);
}

.instagram-btn {
  display: inline-block;
  background-color: var(--pink-color);
  color: var(--bg-white);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-small);
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0;
  border: 1px solid var(--border-color);
  transition: all var(--transition-medium);
  min-height: 48px;
}

.instagram-btn:hover {
  background-color: var(--mint-color);
  border-color: var(--mint-color);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(78, 205, 196, 0.3);
}

/* 연락처 섹션 */
.contact {
  background-color: var(--bg-light);
  padding: var(--spacing-hero) 0;
  min-height: 600px !important;
}

.contact-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  align-items: stretch;
}

.contact-slogan {
  font-size: var(--font-size-xl);
  font-weight: 300;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding: 0 var(--spacing-md);
  color: var(--text-dark);
  letter-spacing: -0.02em;
  line-height: 1.3;
}



.contact-info {
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 0;
  padding: var(--spacing-lg);
  min-height: 120px;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
  text-align: center;
}

.contact-info p {
  font-size: var(--font-size-base);
  color: var(--text-dark);
  line-height: 1.6;
  margin: 0;
  font-weight: 400;
}

.contact-slogan {
  font-size: var(--font-size-xl);
  font-weight: 300;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding: 0 var(--spacing-md);
  color: var(--text-dark);
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.info-list {
  margin-top: var(--spacing-md);
  flex: 1;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
  border-bottom: none;
}

.info-row strong {
  font-weight: 500;
  color: var(--text-light);
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  min-width: 120px;
  text-align: left;
}

.info-row span,
.info-row a {
  color: var(--text-dark);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.6;
  text-align: right;
  flex: 1;
}

.info-row a:hover,
.info-row a:focus {
  color: var(--pink-color);
  text-decoration: none;
}

.map-container {
  width: 100%;
  min-height: 450px !important;
  height: 450px !important;
  position: relative;
  border: 1px solid var(--border-color);
  border-radius: 0;
  overflow: hidden;
  display: flex;
  align-items: stretch;
}

.google-map {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
  flex: 1;
}

.map-fallback {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--light-gray);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-align: center;
  padding: var(--spacing-lg);
}

.map-fallback p {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-sm);
  font-weight: 400;
  color: var(--text-dark);
}

.map-fallback small {
  font-size: var(--font-size-small);
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.map-link {
  background-color: var(--mint-color);
  color: var(--bg-white);
  padding: var(--spacing-sm) var(--spacing-lg);
  text-decoration: none;
  font-size: var(--font-size-small);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0;
  transition: background-color var(--transition-fast);
}

.map-link:hover {
  background-color: var(--pink-color);
}

/* 모바일 포트폴리오 팝업 */
.portfolio-popup {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
}

.popup-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
}

.popup-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
}

.popup-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: white;
  font-size: 30px;
  cursor: pointer;
  z-index: 2001;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup-slider {
  width: 100%;
  max-width: 400px;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup-slide {
  display: none;
  width: 100%;
  text-align: center;
}

.popup-slide.active {
  display: block;
}

.popup-image {
  width: 100%;
  max-height: 60vh;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.popup-info {
  color: white;
  padding: 0 20px;
}

.popup-title {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 10px;
  color: white;
}

.popup-description {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
}

.popup-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 300px;
  margin-top: 20px;
}

.popup-prev,
.popup-next {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.3s ease;
}

.popup-prev:hover,
.popup-next:hover {
  background: rgba(255, 255, 255, 0.3);
}

.popup-counter {
  color: white;
  font-size: 0.9rem;
}

.popup-help-text {
  margin-top: 10px;
  text-align: center;
}

.popup-help-text small {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
}

/* PC/태블릿에서는 팝업 비활성화 (하지만 디버깅을 위해 완전히 숨기지는 않음) */
@media (min-width: 768px) {
  .portfolio-popup {
    pointer-events: none;
    visibility: hidden;
  }
}

/* 플로팅 견적문의 버튼 */
.floating-quote-btn {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 1000;
}

.floating-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: var(--pink-color);
  color: var(--bg-white);
  text-decoration: none;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(255, 107, 157, 0.3);
  transition: all var(--transition-medium);
  border: 2px solid var(--pink-color);
}

.floating-btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 40px rgba(78, 205, 196, 0.4);
  background-color: var(--mint-color);
  border-color: var(--mint-color);
}

.floating-btn-text {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1;
  text-align: center;
}

.floating-btn-subtext {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  opacity: 0.9;
  margin-top: 2px;
  text-align: center;
}

/* 푸터 */
.footer {
  background-color: var(--text-dark);
  color: var(--bg-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.footer-content p {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-small);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.footer-content p:last-child {
  opacity: 0.6;
  font-size: var(--font-size-small);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* 애니메이션 효과 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* 반응형 디자인 */

/* 초소형 모바일 (530px 이하) */
@media (max-width: 530px) {
  .container {
    padding-left: 5px;
    padding-right: 5px;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 4px;
    max-width: 100%;
    width: 100%;
  }
  
  .portfolio-card {
    min-height: auto;
    width: 100%;
    max-width: 100%;
    border: none;
    background: transparent;
    flex: 0 0 calc(33.333% - 3px);
  }
  
  .portfolio-image {
    aspect-ratio: 1/1 !important;
    width: 100%;
    border-radius: 2px;
    overflow: hidden;
  }
  
  .portfolio-content {
    display: none;
  }
  
  .portfolio-card:hover {
    transform: none;
    box-shadow: none;
  }
  
  .portfolio-image img {
    transition: none;
  }
  
  .portfolio-card:hover .portfolio-image img {
    transform: none;
  }
  
  .portfolio {
    padding: 2px;
  }
  
  .portfolio .container {
    padding-left: 2px;
    padding-right: 2px;
  }
  
  .portfolio-filters {
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.8rem;
  }
  
  .portfolio-header {
    text-align: center;
  }
}

/* 모바일 (767px 이하) - 3열 그리드 */
@media (max-width: 767px) {
  .container {
    padding-left: 8px;
    padding-right: 8px;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    max-width: 100%;
  }
  
  .portfolio-card {
    min-height: auto;
    width: 100%;
    max-width: 100%;
    border: none;
    background: transparent;
  }
  
  .portfolio-image {
    aspect-ratio: 1/1 !important;
    width: 100%;
    border-radius: 3px;
    overflow: hidden;
  }
  
  .portfolio {
    padding: 5px;
  }
  
  .portfolio .container {
    padding-left: 5px;
    padding-right: 5px;
  }
  
  .portfolio-card:hover {
    transform: none;
    box-shadow: none;
  }
  
  .portfolio-image img {
    transition: none;
  }
  
  .portfolio-card:hover .portfolio-image img {
    transform: none;
  }
  
  .portfolio-content {
    display: none;
  }
  
  /* 모바일에서 이미지 컨트롤 숨기기 (팝업에서 처리) */
  .image-controls {
    display: none;
  }
  
  .portfolio-filters {
    flex-wrap: wrap;
    gap: 15px;
  }
  
  .portfolio-header {
    text-align: center;
  }
  
  .quote-form-wrapper {
    margin: 0 var(--spacing-sm);
    padding: var(--spacing-lg);
  }
  
  .form-group input[type="text"],
  .form-group input[type="tel"],
  .form-group input[type="email"] {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-small);
  }
  
  .form-group textarea {
    padding: var(--spacing-xs) var(--spacing-sm);
    min-height: 80px;
    font-size: var(--font-size-small);
  }
  
  .checkbox-group {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }
  
  .submit-btn {
    min-width: 100%;
    max-width: none;
  }
  
  .floating-btn {
    width: 70px;
    height: 70px;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
  }
  
  .floating-btn-text {
    font-size: 0.7rem;
  }
  
  .floating-btn-subtext {
    font-size: 0.6rem;
  }
  
  .contact-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .map-container {
    min-height: 300px !important;
    height: 300px !important;
    width: 100%;
    box-sizing: border-box;
  }
  
  .google-map {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
  }
  
  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
  }
  
  .hero {
    aspect-ratio: 16/9;
    min-height: 300px;
    margin-top: 56px !important;
  }
  .service-card {
    padding: 0;
  }

}

@media (max-width: 1024px) {
  .hero {
    padding: 20px;
    margin-top: 60px !important;
  }
  .services {
    padding: 15px;
  }
  .portfolio {
    padding: 15px;
  }
  .contact {
    padding: var(--spacing-xl) 0;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 15px;
    margin-top: 56px !important;
  }
  .services {
    padding: 10px;
    padding-bottom: 2rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
  }
  
  .service-card {
    max-width: 100%;
    margin: 0 auto;
  }
  
  .service-image {
    aspect-ratio: 16/9;
  }
  
  .service-content {
    padding: var(--spacing-md);
  }
  
  .service-content h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
  }
  
  .service-content p {
    font-size: var(--font-size-small);
    line-height: 1.4;
    -webkit-line-clamp: 3;
    line-clamp: 3;
  }
  
  .portfolio {
    padding: 5px;
  }
  
  .portfolio .container {
    padding-left: 5px;
    padding-right: 5px;
  }
  .contact {
    padding: var(--spacing-lg) 0;
  }
  .portfolio-header {
    text-align: left;
  }
}

/* 태블릿 (768px 이상) */
@media (min-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .header-content {
    min-height: 60px;
  }
  
  .hero {
    aspect-ratio: 18/8;
    min-height: 350px;
    margin-top: 60px !important;
  }
  
  .contact-buttons {
    flex-direction: row;
    max-width: none;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }
  
  .strengths {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .service-image {
    aspect-ratio: 3/2;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    align-items: start;
  }
  
  /* 태블릿 이상에서는 이미지 컨트롤 표시 */
  .image-controls {
    display: flex;
  }
  
  .contact-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .form-group input[type="text"],
  .form-group input[type="tel"],
  .form-group input[type="email"] {
    padding: 10px var(--spacing-sm);
    font-size: var(--font-size-small);
  }
  
  .form-group textarea {
    padding: 10px var(--spacing-sm);
    min-height: 100px;
    font-size: var(--font-size-small);
  }
  
  .map-container {
    min-height: 350px !important;
    height: 350px !important;
    width: 100%;
    box-sizing: border-box;
  }
  
  .google-map {
    width: 100% !important;
    height: 100% !important;
  }
  
  .instagram-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
  }
  
  @media (min-width: 768px) and (max-width: 1024px) {
    .nav {
      padding-right: 8px;
    }
  }

}

/* 데스크톱 (1024px 이상) */
@media (min-width: 1024px) {
  .container {
    padding: 0px;
  }
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: var(--spacing-xxl) auto 0;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    align-items: start;
  }
  
  .contact-buttons {
    flex-direction: row;
    gap: var(--spacing-lg);
  }
  
  .strengths {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .contact-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .instagram-grid {
    grid-template-columns: repeat(8, 1fr);
    gap: var(--spacing-sm);
  }
  
  .hero {
    aspect-ratio: 21/8;
    min-height: 400px;
    margin-top: 70px !important;
  }
  

}

/* 큰 화면 (1200px 이상) */
@media (min-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 초대형 화면 (1400px 이상) */
@media (min-width: 1400px) {
  .container {
    padding: 0;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xxl);
  }
  
  .strengths {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-hero);
  }
}

/* 모바일 네비게이션 (767px 이하) */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .nav-list.active {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

@media (max-width: 767px) {
    .nav-toggle.active + .nav-list {
        display: flex;
        background-color: var(--bg-white);
    }
}

/* 접근성 개선 */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* 고대비 모드 지원 */
@media (prefers-contrast: high) {
  :root {
    --text-light: #333333;
    --border-color: #666666;
  }
}

/* 다크모드 지원 준비 */
@media (prefers-color-scheme: dark) {
  /* 다크모드 스타일은 필요시 추가 */
}

/* 프린트 스타일 */
@media print {
  .header,
  .nav,
  .contact-buttons {
    display: none;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .section-title {
    
    page-break-after: avoid;
  }
  
  .portfolio-grid {
    display: none;
  }
}

/* CSS Grid 지원 확인 */
@supports (display: grid) {
  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@supports not (display: grid) {
  .portfolio-grid {
    display: flex;
    flex-wrap: wrap;
  }
  
  .portfolio-item {
    flex: 1 1 250px;
  }
}

/* Flexbox 대체 지원 */
@supports not (display: flex) {
  .contact-buttons {
    text-align: center;
  }
  
  .btn {
    display: inline-block;
    margin: var(--spacing-xs);
  }
}

@media (max-width: 767px) {
    .portfolio-filters {
        font-size: 0.8rem;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
  .map-container {
    min-height: 400px;
  }
}