/* ----------------------------------------------------
 * Design System & CSS Variables (PDF Storyboard Layout - Light Theme)
 * (주)사이컴퍼니 - SAI COMPANY Light minimalist Style
 * ---------------------------------------------------- */

:root {
  /* Color Palette - Light & Gold Accent */
  --bg-primary: #ffffff;       /* Pure White Background */
  --bg-secondary: #f8fafc;     /* Very Light Gray for alternating sections */
  --bg-tertiary: #f1f5f9;      /* Gray for card borders and card footers */
  --bg-dark-gray: #e2e8f0;     /* Line dividers and borders */
  
  --text-primary: #0f172a;     /* Deep Charcoal Slate for headers */
  --text-secondary: #475569;   /* Slate Gray for body copy */
  --text-muted: #64748b;       /* Cool Gray for subtext and meta labels */
  --text-white: #ffffff;
  
  --accent-primary: #6B3D2C;   /* Signature Deep Brown Point Color */
  --accent-hover: #5B3425;     /* Darker Brown on hover */
  --accent-glow: rgba(107, 61, 44, 0.3);
  
  /* Widget colors */
  --color-kakao: #fee500;
  --color-tel: #ff8585;
  
  /* Fonts */
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-serif: 'Nanum Myeongjo', Georgia, serif;
  
  /* Layout & Spacing */
  --max-width: 1200px;
  --header-height: 80px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  
  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  width: 100%;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: break-word;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  word-break: keep-all;
  overflow-wrap: break-word;
}

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

button, input, select, textarea {
  font-family: inherit;
  outline: none;
}

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

ul {
  list-style: none;
}

/* Common Section Layout */
section {
  padding: calc(var(--header-height) + 32px) 0 80px;
  position: relative;
  background-color: var(--bg-primary);
  display: none;
  opacity: 0;
}

section.active-tab {
  display: block;
  animation: tabFadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.section-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-primary);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-primary);
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 40px;
}

/* Large Design Card Container (Rounded Corners - PDF style) */
.design-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--bg-dark-gray);
  border-radius: var(--border-radius-lg);
  padding: 50px;
  box-shadow: 0 10px 40px rgba(15, 23, 42, 0.02);
}

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

.btn-primary {
  background-color: var(--accent-primary);
  color: var(--text-white);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(107, 61, 44, 0.55);
}

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

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

.btn-outline-white {
  border-color: rgba(255, 255, 255, 0.4);
  background-color: transparent;
  color: var(--text-white);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--text-white);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

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

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: var(--border-radius-sm);
}

.btn-block {
  width: 100%;
}

/* Helpers */
.col-span-2 {
  grid-column: span 2;
}

.text-center {
  text-align: center;
}

.pc-only {
  display: block;
}

@media (max-width: 768px) {
  .pc-only {
    display: none;
  }
}

/* ----------------------------------------------------
 * 0. GNB (Global Navigation Bar - White Theme)
 * ---------------------------------------------------- */

.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bg-dark-gray);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.main-header.scrolled {
  height: 70px;
  box-shadow: 0 5px 20px rgba(15, 23, 42, 0.05);
}

.header-container {
  width: 90%;
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.desktop-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  gap: 40px;
}

.nav-item {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 8px 0;
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item:hover, .nav-item.active {
  color: var(--accent-primary);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-primary);
  transition: var(--transition-fast);
}

.nav-item:hover::after, .nav-item.active::after {
  width: 100%;
}

.dropdown-caret {
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

/* GNB Dropdowns */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--bg-primary);
  border: 1px solid var(--bg-dark-gray);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  border-radius: var(--border-radius-sm);
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  padding: 8px 0;
  z-index: 100;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown:hover .dropdown-caret {
  transform: rotate(180deg);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: center;
  transition: var(--transition-fast);
}

.dropdown-menu a:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-primary);
}

/* Mobile Hamburger Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  /* 드로어(1050)와 오버레이(1040)보다 낮게 두어 메뉴가 열리면 햄버거 버튼이 가려지도록 함 */
  z-index: 1030;
}

.mobile-menu-btn .bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}

.mobile-menu-btn.active .bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active .bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100vh;
  height: 100dvh;
  background-color: var(--bg-primary);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  z-index: 1050;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
  visibility: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.mobile-drawer.active {
  right: 0;
  visibility: visible;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.drawer-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
}

.drawer-close-btn {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.mobile-nav-list > li {
  margin-bottom: 24px;
}

.mobile-nav-item {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.mobile-nav-item:hover, .mobile-nav-item.active {
  color: var(--accent-primary);
}

.mobile-collapse-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.mobile-collapse-menu {
  padding-left: 16px;
  margin-top: 10px;
  display: none;
}

.mobile-collapse-menu.active {
  display: block;
}

.mobile-collapse-menu li {
  margin-bottom: 12px;
}

.mobile-collapse-menu a {
  font-size: 1rem;
  color: var(--text-secondary);
}

.drawer-footer {
  margin-top: auto;
  border-top: 1px solid var(--bg-tertiary);
  padding-top: 30px;
}

.drawer-tel-link {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.drawer-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.4);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

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

/* ----------------------------------------------------
 * 1. HERO 섹션
 * ---------------------------------------------------- */

.hero-section {
  min-height: 85vh;
  padding-top: calc(var(--header-height) + 100px);
  padding-bottom: 60px;
  flex-direction: column;
  justify-content: center;
  background-color: var(--bg-primary);
  background-image: radial-gradient(rgba(107, 61, 44, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Hero follows the tab system too (flex instead of block when active) */
.hero-section.active-tab {
  display: flex;
}

/* 배경 슬라이딩 이미지: 히어로 텍스트/Partners & Clients 뒤에 적당한 투명도로 크로스페이드 */
.hero-slider {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.8s ease;
}

.hero-slide.active {
  opacity: 0.7;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.3) 0%,
    rgba(255, 255, 255, 0.95) 100%
  );
  z-index: 1;
}

.hero-container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 60px;
}

.hero-content {
  max-width: 800px;
  margin-top: auto;
  margin-bottom: auto;
}

.hero-title {
  font-family: 'MaruBuriSemiBold', serif;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  word-break: keep-all;
}

.hero-title span {
  display: block;
}

.hero-subtitle {
  font-family: 'Nanum Myeongjo', serif;
  font-size: 1.4rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 40px;
  font-weight: 500;
  letter-spacing: -0.01em;
  word-break: keep-all;
}

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

/* Rolling Brand Banner: 위쪽 타이틀/서브텍스트 블록(.hero-content)과 동일한 폭으로 맞춰
   모든 화면에서 좌우로 정렬이 어긋나거나 꽉 차 보이지 않는 문제 없이 자연스럽게 이어지도록 함 */
.hero-brands-container {
  max-width: 800px;
  margin-top: auto;
  border-top: 1px solid var(--bg-dark-gray);
  padding-top: 30px;
}

.brands-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.brands-slider {
  overflow: hidden;
  width: 100%;
  mask-image: linear-gradient(to right, transparent, white 15%, white 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, white 15%, white 85%, transparent);
}

.brands-track {
  display: flex;
  width: max-content;
  animation: roll 24s linear infinite;
  gap: 80px;
}

.brand-item {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  opacity: 0.45;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: var(--transition-fast);
}

.brand-item:hover {
  opacity: 0.8;
  color: var(--accent-primary);
}

@keyframes roll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ----------------------------------------------------
 * 2. 회사소개 섹션
 * ---------------------------------------------------- */

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

.about-card {
  border-top: 4px solid var(--accent-primary);
}

.brand-statement {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  line-height: 1.75;
  color: var(--text-primary);
  font-style: normal;
  margin-bottom: 30px;
  font-weight: 500;
}

.about-complementary {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 60px;
  border-top: 1px solid var(--bg-tertiary);
  padding-top: 30px;
}

.about-complementary strong {
  color: var(--accent-primary);
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background-color: var(--bg-secondary);
  padding: 30px 24px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--bg-dark-gray);
  position: relative;
  transition: var(--transition-smooth);
}

.why-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-primary);
  box-shadow: 0 10px 30px rgba(107, 61, 44, 0.08);
}

.why-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(107, 61, 44, 0.1);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  transition: var(--transition-smooth);
}

.why-card:hover .why-icon-box {
  background-color: var(--accent-primary);
  color: var(--text-white);
}

.why-num {
  position: absolute;
  top: 30px;
  right: 24px;
  font-size: 1.35rem;
  font-weight: 800;
  color: rgba(107, 61, 44, 0.15);
}

.why-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.why-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ----------------------------------------------------
 * 3. 포트폴리오 섹션
 * ---------------------------------------------------- */

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

.portfolio-intro {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-top: -24px;
  margin-bottom: 48px;
}

.portfolio-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-tab {
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-dark-gray);
  color: var(--text-secondary);
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-tab:hover, .filter-tab.active {
  background-color: var(--accent-primary);
  color: var(--text-white);
  border-color: var(--accent-primary);
  box-shadow: 0 4px 10px var(--accent-glow);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.portfolio-card {
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--bg-dark-gray);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.05);
}

/* Card-level Slider (옆으로 넘어가는 사진) */
.card-image-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background-color: #f1f5f9;
}

.card-slider-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-slider-img {
  min-width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

.card-slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.85);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  transition: var(--transition-fast);
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.card-image-box:hover .card-slider-btn {
  opacity: 1;
}

.card-slider-btn:hover {
  background-color: var(--accent-primary);
  color: var(--text-white);
}

.card-slider-btn.prev { left: 12px; }
.card-slider-btn.next { right: 12px; }

.card-slider-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 10;
}

.card-slider-dots .dot {
  width: 6px;
  height: 6px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transition: var(--transition-fast);
}

.card-slider-dots .dot.active {
  background-color: var(--text-white);
  width: 14px;
  border-radius: 3px;
}

.card-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: var(--text-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  z-index: 5;
}

/* Card Bottom Bar (텍스트 클릭으로도 모달이 열리도록 클릭 가능 영역으로 구성) */
.card-bottom-bar {
  background-color: var(--bg-tertiary);
  padding: 20px 24px 22px;
  display: flex;
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--bg-dark-gray);
  cursor: pointer;
  transition: var(--transition-fast);
}

.card-bottom-bar:hover,
.card-bottom-bar:focus-visible {
  background-color: rgba(107, 61, 44, 0.1);
}

.card-bottom-bar:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: -2px;
}

.card-bottom-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

/* 텍스트는 줄바꿈으로 항상 전체 노출 (말줄임 잘림 방지) */
.card-title-text {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: normal;
  line-height: 1.45;
}

.card-scale-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-primary);
  white-space: normal;
  line-height: 1.5;
}

/* 클릭을 유도하는 우측 하단 소형 버튼 */
.card-detail-btn {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: var(--accent-primary);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 10px var(--accent-glow);
  transition: var(--transition-smooth);
}

.card-bottom-bar:hover .card-detail-btn,
.card-bottom-bar:focus-visible .card-detail-btn {
  background-color: var(--accent-hover);
  transform: scale(1.12);
}

/* Portfolio CTA */
.portfolio-cta {
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-md);
  padding: 30px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--bg-dark-gray);
}

.portfolio-cta p {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.portfolio-cta-btns {
  display: flex;
  gap: 12px;
}

/* ----------------------------------------------------
 * 4 & 5. 비즈니스 섹션 (행사 & 렌탈 개별 배치 구조)
 * ---------------------------------------------------- */

.biz-sub-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 30px;
  color: var(--text-primary);
  position: relative;
  padding-left: 14px;
}

.biz-sub-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  background-color: var(--accent-primary);
}

.biz-steps-area {
  margin-bottom: 60px;
}

/* Circular Step Elements - Timeline (Horizontal) */
.circles-steps-timeline {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 30px;
  gap: 16px;
  position: relative;
}

.circle-step-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.circle-block {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 2px solid var(--accent-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.03);
  transition: var(--transition-smooth);
  cursor: default;
  flex-shrink: 0;
}

.circle-step-item:hover .circle-block {
  background-color: var(--accent-primary);
  color: var(--text-white);
  transform: scale(1.05);
}

.circle-num {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin-bottom: 2px;
}

.circle-step-item:hover .circle-num {
  color: var(--text-white);
}

.circle-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.circle-step-item:hover .circle-label {
  color: var(--text-white);
}

.circle-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 160px;
}

.step-arrow {
  font-size: 1.25rem;
  color: var(--text-muted);
  align-self: center;
  margin-top: -50px;
}

/* 주요행사 & 진행업무 사각형 카드 그리드 (설명 노출형) */
.biz-categories-area, .biz-work-area {
  margin-bottom: 60px;
  border-top: 1px solid var(--bg-dark-gray);
  padding-top: 50px;
}

.biz-intro-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-top: -20px;
  margin-bottom: 30px;
}

.event-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.event-card-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-dark-gray);
  border-radius: var(--border-radius-md);
  padding: 24px;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.event-card-item:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  background-color: var(--bg-primary);
  box-shadow: 0 10px 20px rgba(107, 61, 44, 0.05);
}

.event-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.event-card-icon {
  font-size: 1.6rem;
  color: var(--accent-primary);
}

.event-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.event-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.biz-cta-box {
  text-align: center;
  margin-top: 40px;
}

/* Rental "Show More" Button Box */
.rental-showmore-box {
  text-align: center;
  margin-top: 40px;
}

/* 렌탈품 카테고리 탭 & 그리드 */
.rental-sub-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-dark-gray);
  border-radius: var(--border-radius-sm);
  padding: 8px;
}

.r-sub-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 8px 16px;
  cursor: pointer;
  border-radius: 4px;
  transition: var(--transition-fast);
}

.r-sub-tab:hover, .r-sub-tab.active {
  background-color: var(--bg-tertiary);
  color: var(--accent-primary);
}

.rental-products-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.rental-product-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--bg-dark-gray);
  border-radius: var(--border-radius-md);
  padding: 16px;
  text-align: center;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.01);
}

.rental-product-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-primary);
  box-shadow: 0 8px 20px rgba(107, 61, 44, 0.06);
}

.prod-img-container {
  width: 100%;
  aspect-ratio: 1/1;
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  overflow: hidden;
}

.prod-img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Fill the image slot cleanly */
  transition: var(--transition-smooth);
}

.rental-product-card:hover .prod-img {
  transform: scale(1.08);
}

.prod-placeholder-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--text-muted);
}

.prod-placeholder-box i {
  font-size: 1.8rem;
}

.prod-placeholder-box span {
  font-size: 0.7rem;
  font-weight: 600;
}

.prod-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
  margin-top: auto;
}

/* ----------------------------------------------------
 * 6. 게시판 섹션 (문의하기 / 공지사항 개별 완전 분리)
 * ---------------------------------------------------- */

.inquiry-card-box {
  border-top: 4px solid var(--accent-primary);
  background-color: var(--bg-primary);
}

.notice-card-box {
  border-top: 4px solid var(--accent-primary);
  background-color: var(--bg-primary);
}

/* Choice selector style (행사 vs 렌탈 필수 선택 유도) */
.inquiry-type-selector {
  margin-bottom: 30px;
  border-bottom: 1px solid var(--bg-tertiary);
  padding-bottom: 30px;
}

.selector-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 24px;
  text-align: center;
}

.selector-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.selector-card {
  background-color: var(--bg-secondary);
  border: 2px solid var(--bg-dark-gray);
  border-radius: var(--border-radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
  text-align: left;
}

.selector-card:hover {
  border-color: var(--accent-primary);
  background-color: rgba(107, 61, 44, 0.02);
}

.selector-card.active {
  border-color: var(--accent-primary);
  background-color: rgba(107, 61, 44, 0.06);
  box-shadow: 0 6px 20px rgba(107, 61, 44, 0.08);
}

.selector-card-icon {
  font-size: 2.2rem;
  color: var(--text-muted);
  transition: var(--transition-smooth);
}

.selector-card.active .selector-card-icon {
  color: var(--accent-primary);
}

.selector-card-content {
  flex-grow: 1;
}

.selector-card-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.selector-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.selector-check {
  font-size: 1.5rem;
  color: var(--text-muted);
  opacity: 0.4;
  transition: var(--transition-smooth);
}

.selector-card.active .selector-check {
  color: var(--accent-primary);
  opacity: 1;
}

/* Inquiry Forms Wrapper Smooth Expansion */
.inquiry-forms-wrapper {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.8s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
}

.inquiry-forms-wrapper.active {
  max-height: 1500px;
  opacity: 1;
}

.inquiry-form-new {
  display: none;
}

.inquiry-form-new.active {
  display: block;
  animation: formSlideIn 0.5s ease forwards;
}

@keyframes formSlideIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 30px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #ef4444;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group textarea {
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-dark-gray);
  color: var(--text-primary);
  padding: 14px 20px;
  font-size: 0.95rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-primary);
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(107, 61, 44, 0.2);
}

.form-group.error input,
.form-group.error textarea {
  border-color: #ef4444;
}

.error-msg {
  display: none;
  font-size: 0.8rem;
  color: #ef4444;
  margin-top: 6px;
  font-weight: 600;
}

.form-group.error .error-msg {
  display: block;
}

/* Agreement box */
.agreement-box {
  margin-top: 40px;
  border-top: 1px solid var(--bg-tertiary);
  padding-top: 30px;
}

.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  cursor: pointer;
  padding-left: 32px;
  margin-bottom: 12px;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  height: 20px;
  width: 20px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--bg-dark-gray);
  border-radius: 4px;
  transition: var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--accent-primary);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.checkmark::after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark::after {
  display: block;
}

.checkbox-container .checkmark::after {
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.agree-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.privacy-terms-summary {
  background-color: var(--bg-secondary);
  padding: 16px 20px;
  border-radius: var(--border-radius-sm);
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.agreement-box.error .error-msg {
  display: block;
}

.form-submit-box {
  margin-top: 40px;
}

/* Notice Accordion */
.notice-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.notice-accordion-item {
  border: 1px solid var(--bg-dark-gray);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.notice-accordion-item.active {
  border-color: var(--accent-primary);
}

.notice-accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  background-color: var(--bg-primary);
  border: none;
  text-align: left;
  font-family: inherit;
}

.notice-accordion-item.active .notice-accordion-header {
  background-color: rgba(107, 61, 44, 0.06);
}

.notice-accordion-titlewrap {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  flex-grow: 1;
}

.notice-accordion-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notice-accordion-date {
  flex-shrink: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.notice-accordion-caret {
  flex-shrink: 0;
  font-size: 1.1rem;
  color: var(--accent-primary);
  transition: var(--transition-fast);
}

.notice-accordion-item.active .notice-accordion-caret {
  transform: rotate(180deg);
}

.notice-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.notice-accordion-body-inner {
  padding: 20px 24px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  white-space: pre-line;
  border-top: 1px solid var(--bg-tertiary);
}

@media (max-width: 480px) {
  .notice-accordion-header {
    flex-wrap: wrap;
  }

  .notice-accordion-titlewrap {
    width: 100%;
  }

  .notice-accordion-title {
    white-space: normal;
  }
}

.notice-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  padding: 50px 0;
}

.notice-empty-icon {
  font-size: 2.2rem;
  color: var(--text-muted);
}

.notice-empty p {
  font-size: 0.95rem;
  font-weight: 500;
}

/* ----------------------------------------------------
 * 7. Footer (전 페이지 공통 - Light Background)
 * ---------------------------------------------------- */

.main-footer {
  background-color: var(--bg-secondary);
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--bg-dark-gray);
}

.footer-cta-banner {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.95) 0%,
    rgba(107, 61, 44, 0.08) 100%
  );
  border-bottom: 1px solid var(--bg-dark-gray);
  padding: 85px 0;
  text-align: center;
  position: relative;
}

.cta-banner-content {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.cta-banner-title {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 36px;
  color: var(--text-primary);
}

.cta-banner-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.footer-main-container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 0 40px;
}

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

.footer-logo {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent-primary);
  margin-bottom: 20px;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.sns-links {
  display: flex;
  gap: 12px;
}

.sns-links a {
  width: 40px;
  height: 40px;
  background-color: var(--bg-primary);
  border: 1px solid var(--bg-dark-gray);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.15rem;
}

.sns-links a:hover {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: var(--text-white);
}

.footer-col-title {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-info-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  line-height: 1.5;
}

.footer-contact-box {
  margin-top: 24px;
  border-top: 1px solid var(--bg-dark-gray);
  padding-top: 20px;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 600;
}

.contact-tel {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  display: block;
  margin-bottom: 6px;
}

.contact-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--bg-dark-gray);
  padding-top: 30px;
  text-align: center;
}

.copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ----------------------------------------------------
 * 8. Mobile Sticky CTA Bar
 * ---------------------------------------------------- */

.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  height: 60px;
  background-color: var(--bg-primary);
  border-top: 1px solid var(--bg-dark-gray);
  z-index: 900;
}

.sticky-btn {
  width: 50%;
  height: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  gap: 8px;
}

.tel-btn {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

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

/* ----------------------------------------------------
 * Floating Widgets (Bottom Right - KakaoTalk & Phone)
 * ---------------------------------------------------- */

.floating-contact-widgets {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 990;
}

.float-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  transition: var(--transition-smooth);
}

.float-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.kakao-float-btn {
  background-color: var(--color-kakao);
  color: #1a1a1a;
  text-decoration: none;
}

.kakao-text {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.05em;
}

.tel-float-btn {
  background-color: var(--color-tel);
  color: var(--text-white);
  font-size: 1.5rem;
}

/* ----------------------------------------------------
 * Portfolio Details Lightbox Modal
 * ---------------------------------------------------- */

.portfolio-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

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

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal-wrapper {
  position: relative;
  z-index: 10;
  width: 90%;
  max-width: 1100px;
  height: 85vh;
  max-height: 85vh;
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--bg-dark-gray);
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  transform: scale(0.9);
  transition: var(--transition-smooth);
}

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

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background-color: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--bg-dark-gray);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 20;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--accent-primary);
  color: var(--text-white);
}

.modal-container {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  height: 100%;
  overflow: hidden;
}

.modal-media-section {
  position: relative;
  background-color: #0c0f17;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  height: 100%;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.carousel-track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.carousel-slide {
  min-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(255, 255, 255, 0.85);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 15;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.carousel-control:hover {
  background-color: var(--accent-primary);
  color: var(--text-white);
}

.carousel-control.prev { left: 16px; }
.carousel-control.next { right: 16px; }

.carousel-indicators {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 15;
}

.indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: var(--transition-fast);
}

.indicator.active {
  background-color: var(--accent-primary);
  width: 20px;
  border-radius: 4px;
}

.modal-info-section {
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.modal-badge {
  display: inline-block;
  background-color: rgba(107, 61, 44, 0.15);
  color: var(--accent-primary);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 20px;
  margin-bottom: 20px;
  align-self: flex-start;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.modal-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 30px;
}

.modal-meta-grid {
  border-top: 1px solid var(--bg-tertiary);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: auto;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
}

.meta-val {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.modal-cta-box {
  margin-top: 40px;
}

/* ----------------------------------------------------
 * Toast Notification
 * ---------------------------------------------------- */

.toast-notification {
  position: fixed;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--bg-primary);
  border: 1px solid var(--accent-primary);
  border-radius: 30px;
  padding: 16px 30px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
  z-index: 2500;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notification.active {
  bottom: 40px;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast-icon {
  font-size: 1.4rem;
  color: #10b981;
}

.toast-message {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ----------------------------------------------------
 * Scroll animation triggers
 * ---------------------------------------------------- */

.scroll-trigger {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform, opacity;
}

.scroll-trigger.visible {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-card {
  opacity: 0;
  transform: translateY(15px);
  transition: var(--transition-smooth);
}

.portfolio-grid.visible .portfolio-card {
  opacity: 1;
  transform: translateY(0);
}

.portfolio-grid.visible .portfolio-card:nth-child(1) { transition-delay: 0.1s; }
.portfolio-grid.visible .portfolio-card:nth-child(2) { transition-delay: 0.2s; }
.portfolio-grid.visible .portfolio-card:nth-child(3) { transition-delay: 0.3s; }
.portfolio-grid.visible .portfolio-card:nth-child(4) { transition-delay: 0.4s; }
.portfolio-grid.visible .portfolio-card:nth-child(5) { transition-delay: 0.5s; }

/* ----------------------------------------------------
 * Responsive Breakpoints
 * ---------------------------------------------------- */

@media (max-width: 1200px) {
  .circles-steps-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px 20px;
  }
  
  .step-arrow {
    display: none;
  }
  
  .rental-products-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 1024px) {
  section {
    padding: calc(var(--header-height) + 20px) 0 50px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .event-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .rental-products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .modal-wrapper {
    height: 90vh;
    max-height: 90vh;
  }

  /* 세로 스택: grid 행 계산으로 이미지가 텍스트를 덮는 문제 방지 */
  .modal-container {
    display: block;
    height: 100%;
    overflow-y: auto;
  }

  .modal-media-section {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    flex-shrink: 0;
  }

  .modal-info-section {
    padding: 30px;
    overflow-y: visible;
  }

  .design-card {
    padding: 30px 20px;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 60px; /* Offset for sticky CTA bar */
  }
  
  .mobile-sticky-cta {
    display: flex;
  }
  
  .floating-contact-widgets {
    bottom: 80px; /* Float above mobile sticky CTA */
    right: 20px;
  }
  
  .hero-section {
    padding-top: calc(var(--header-height) + 56px);
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 30px;
  }
  
  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-ctas .btn {
    width: 100%;
  }
  
  .brand-statement {
    font-size: 1.15rem;
    line-height: 1.6;
  }
  
  .about-complementary {
    font-size: 0.95rem;
  }

  /* Portfolio Cards on Mobile: stacked vertically, all visible without card-to-card swiping */
  .portfolio-carousel-wrapper {
    overflow: visible;
  }

  .mobile-swipe-guide {
    display: none;
  }

  .portfolio-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .portfolio-card {
    width: 100%;
  }

  /* 포트폴리오 라이트박스(모달) 모바일: 사진 꽉 차게, 아래 텍스트는 여백 확보 후 전체 노출 */
  .carousel-slide img {
    object-fit: cover;
  }

  .modal-info-section {
    padding: 28px 24px 36px;
  }

  .portfolio-cta {
    flex-direction: column;
    text-align: center;
    gap: 20px;
    padding: 24px 20px;
  }
  
  .portfolio-cta-btns {
    flex-direction: column;
    width: 100%;
  }
  
  .portfolio-cta-btns .btn {
    width: 100%;
  }
  
  /* Stacking step timeline items vertically using block/flex layout */
  .circles-steps-timeline {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    position: relative;
  }
  
  .circles-steps-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 45px;
    width: 2px;
    height: 100%;
    background-color: var(--bg-tertiary);
    z-index: 1;
  }
  
  .circle-step-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    text-align: left;
    gap: 20px;
    z-index: 2;
    flex: none;
  }
  
  .circle-block {
    width: 90px;
    height: 90px;
    margin-bottom: 0;
  }
  
  .circle-desc {
    max-width: none;
    flex-grow: 1;
  }

  .event-cards-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .rental-sub-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 12px;
    margin-bottom: 30px;
    -webkit-overflow-scrolling: touch;
  }
  
  .rental-sub-tabs::-webkit-scrollbar {
    height: 2px;
  }
  
  .r-sub-tab {
    flex-shrink: 0;
  }
  
  .rental-products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .selector-cards-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .col-span-2 {
    grid-column: span 1;
  }
  
  .inquiry-card-box {
    padding: 30px 20px;
  }
  
  .cta-banner-title {
    font-size: 1.5rem;
  }
  
  .cta-banner-btns {
    flex-direction: column;
    width: 100%;
    align-items: center;
  }
  
  .cta-banner-btns .btn {
    width: 90%;
    max-width: 320px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-col-title {
    margin-bottom: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--bg-dark-gray);
    padding-bottom: 10px;
  }
  
  .footer-col-title::after {
    content: '\e03c';
    font-family: 'Phosphor';
    font-size: 0.9rem;
    transition: var(--transition-fast);
  }
  
  .footer-col.active .footer-col-title::after {
    transform: rotate(180deg);
  }
  
  .footer-links, .footer-info-content {
    display: none;
  }
  
  .footer-col.active .footer-links,
  .footer-col.active .footer-info-content {
    display: block;
    animation: slideDown 0.3s ease forwards;
  }
}

@media (max-width: 550px) {
  .event-cards-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .why-us-grid {
    grid-template-columns: 1fr;
  }
}

/* ----------------------------------------------------
 * 2차 보완: 본문 내 서브 탭 & 실시간 문의 현황판
 * ---------------------------------------------------- */

.sub-tabs-container {
  display: flex;
  justify-content: center;
  margin: 24px 0 40px 0;
  width: 100%;
}

.sub-tab-group {
  display: inline-flex;
  background-color: var(--bg-secondary);
  padding: 5px;
  border-radius: 30px;
  border: 1px solid var(--bg-dark-gray);
  gap: 4px;
}

.sub-tab-btn {
  padding: 10px 24px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  border-radius: 25px;
  text-decoration: none;
  transition: var(--transition-fast);
  white-space: nowrap;
}

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

.sub-tab-btn.active {
  background-color: var(--accent-primary);
  color: var(--text-white);
  box-shadow: 0 4px 10px rgba(107, 61, 44, 0.25);
}

@media (max-width: 768px) {
  .sub-tab-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
}

/* 모바일 아코디언 caret 트랜지션 (3차 보완 추가) */
.mobile-collapse-title i {
  transition: transform var(--transition-fast);
}
.mobile-collapse-title.active i {
  transform: rotate(180deg);
}

/* ----------------------------------------------------
 * GNB Nested Dropdown (Two-Column Layout)
 * ---------------------------------------------------- */
.dropdown-menu-container {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: var(--bg-primary);
  border: 1px solid var(--bg-dark-gray);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  border-radius: var(--border-radius-sm);
  display: flex;
  min-width: 340px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
  z-index: 100;
  overflow: hidden;
}

.dropdown:hover .dropdown-menu-container {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Left side categories */
.dropdown-menu-left {
  list-style: none;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--bg-dark-gray);
  padding: 10px 0;
  width: 170px;
  flex-shrink: 0;
}

.nested-dropdown-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 600;
  transition: var(--transition-fast);
}

.nested-dropdown-item i {
  font-size: 0.8rem;
  opacity: 0.5;
  transition: transform var(--transition-fast);
}

.nested-dropdown-item.active a,
.nested-dropdown-item:hover a {
  color: var(--accent-primary);
  background-color: var(--bg-primary);
}

.nested-dropdown-item.active i,
.nested-dropdown-item:hover i {
  opacity: 1;
  transform: translateX(3px);
}

/* Right side sub-items list */
.dropdown-menu-right {
  padding: 10px 0;
  width: 170px;
  display: flex;
  flex-direction: column;
}

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

.submenu-list.active {
  display: block;
}

.submenu-list a {
  display: block;
  padding: 10px 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition-fast);
  text-align: left;
}

.submenu-list a:hover {
  color: var(--accent-primary);
  background-color: var(--bg-secondary);
  padding-left: 24px;
}


/* ----------------------------------------------------
 * Section Sub-Tabs (Procedure / Area / Work Toggle)
 * ---------------------------------------------------- */
.section-sub-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  border-bottom: 2px solid var(--bg-dark-gray);
  margin-bottom: 40px;
}

.section-sub-tab-btn {
  background: none;
  border: none;
  outline: none;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-sub-tab-btn i {
  font-size: 1.15rem;
}

.section-sub-tab-btn::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--accent-primary);
  transform: scaleX(0);
  transition: var(--transition-fast);
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
}

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

.section-sub-tab-btn.active {
  color: var(--accent-primary);
}

.section-sub-tab-btn.active::after {
  transform: scaleX(1);
}

/* Toggle Visibility on Page Subsections */
#business-event .biz-steps-area,
#business-event .biz-categories-area,
#business-event .biz-work-area {
  display: none;
}
#business-event.show-steps .biz-steps-area {
  display: block;
}
#business-event.show-categories .biz-categories-area {
  display: block;
}
#business-event.show-work .biz-work-area {
  display: block;
}

#business-rental .biz-steps-area,
#business-rental .biz-rental-products-area {
  display: none;
}
#business-rental.show-steps .biz-steps-area {
  display: block;
}
#business-rental.show-products .biz-rental-products-area {
  display: block;
}


/* ----------------------------------------------------
 * Mobile Collapse Drawer Submenus
 * ---------------------------------------------------- */
.mobile-nested-item {
  border-bottom: 1px dashed var(--bg-dark-gray);
  padding: 4px 0;
}

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

.mobile-nested-title {
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

.mobile-nested-title i {
  font-size: 0.8rem;
  transition: transform var(--transition-fast);
}

.mobile-nested-title.active {
  color: var(--accent-primary);
}

.mobile-nested-title.active i {
  transform: rotate(180deg);
}

.mobile-nested-menu {
  display: none;
  list-style: none;
  padding-left: 20px;
  background-color: var(--bg-secondary);
}

.mobile-nested-menu.active {
  display: block;
}

.mobile-nested-menu a {
  display: block;
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  transition: var(--transition-fast);
}

.mobile-nested-menu a:hover {
  color: var(--accent-primary);
}


/* ----------------------------------------------------
 * Responsiveness adjustments
 * ---------------------------------------------------- */
@media (max-width: 768px) {
  .section-sub-tabs {
    margin-bottom: 24px;
  }
  .section-sub-tab-btn {
    padding: 10px 16px;
    font-size: 0.9rem;
    gap: 4px;
  }
  .section-sub-tab-btn i {
    font-size: 1rem;
  }
}