/* ==========================================================================
   허그미세라믹 (Hug Me Ceramic) - Main Design System & Stylesheet
   ========================================================================== */

/* 1. Design Tokens & Variables */
:root {
  /* Color Palette */
  --bg-warm: #F7F3EC;          /* 아이보리/웜화이트 메인 배경 */
  --bg-card: #FFFFFF;          /* 순백색 카드 배경 */
  --bg-sub: #EFEBE4;           /* 약간 깊은 샌드베이지 섹션 배경 */
  --bg-dark: #2C2623;          /* 다크 차콜 (Final CTA/Footer) */
  
  --color-terracotta: #B9694A; /* 포인트 테라코타 주황/갈색 */
  --color-terracotta-hover: #9F5336;
  --color-sand: #D9C7AD;       /* 보조 샌드베이지 */
  --color-sand-light: #F2E8DA;
  
  --text-main: #333333;       /* 차콜 텍스트 */
  --text-muted: #666666;      /* 서브 텍스트 */
  --text-light: #888888;
  --text-white: #FFFFFF;

  --border-color: #E2DACD;
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 24px;
  
  /* Typography */
  --font-serif: 'Noto Serif KR', serif;
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  
  /* Transitions & Shadows */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 4px 12px rgba(44, 38, 35, 0.05);
  --shadow-md: 0 8px 24px rgba(44, 38, 35, 0.08);
  --shadow-lg: 0 16px 40px rgba(44, 38, 35, 0.12);
  
  /* Layout */
  --header-height: 72px;
  --mobile-bar-height: 64px;
}

/* 2. Reset & Global Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-warm);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(var(--mobile-bar-height) + env(safe-area-inset-bottom, 0px)); /* 모바일 하단바 여백 */
  overflow-x: hidden;
  width: 100%;
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* Typography Utilities */
.serif-font {
  font-family: var(--font-serif);
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-white { color: var(--text-white); }
.bg-warm { background-color: var(--bg-sub); }
.bg-dark { background-color: var(--bg-dark); }
.w-full { width: 100%; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }

/* 3. Section Headers */
.section {
  padding: 90px 0;
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
}

.section-header {
  margin-bottom: 50px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-terracotta);
  margin-bottom: 8px;
  text-transform: uppercase;
}

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

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  word-break: keep-all;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.35rem;
  }
  .section-subtitle {
    font-size: 0.9rem;
  }
}

@media (max-width: 400px) {
  .section-title {
    font-size: 1.25rem;
  }
}

/* 4. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  max-width: 100%;
}

@media (max-width: 768px) {
  .btn {
    white-space: normal;
    word-break: keep-all;
    text-align: center;
  }
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--border-radius-md);
}

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

.btn-primary:hover, .btn-terracotta:hover {
  background-color: var(--color-terracotta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(185, 105, 74, 0.3);
}

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

.btn-outline:hover {
  background-color: var(--color-terracotta);
  color: var(--text-white);
}

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

.btn-outline-terracotta:hover {
  background-color: var(--color-terracotta);
  color: var(--text-white);
}

.btn-outline-white {
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--text-white);
  background: transparent;
}

.btn-outline-white:hover {
  background-color: var(--text-white);
  color: var(--text-main);
}

.btn-link {
  color: var(--color-terracotta);
  font-weight: 700;
  padding: 0;
}

.btn-link:hover {
  text-decoration: underline;
}

.btn-block {
  width: 100%;
}

/* 5. Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-normal);
  background: rgba(247, 243, 236, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(226, 218, 205, 0.5);
}

.site-header.scrolled {
  background: rgba(247, 243, 236, 0.98);
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.brand-logo.white {
  color: var(--text-white);
}

.logo-icon {
  color: var(--color-terracotta);
  display: flex;
}

.desktop-nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  color: var(--text-main);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-terracotta);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-terracotta);
  transition: width var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
}

@media (max-width: 991px) {
  .desktop-nav, .btn-header-cta {
    display: none;
  }
  .hamburger-btn {
    display: block;
  }
}

/* Mobile Nav Drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--bg-warm);
  z-index: 1001;
  box-shadow: var(--shadow-lg);
  transition: right var(--transition-normal);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-inner {
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.mobile-close-btn {
  align-self: flex-end;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  margin-bottom: 20px;
}

.mobile-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.mobile-nav-footer {
  margin-top: auto;
}

/* 6. HERO SECTION */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(247, 243, 236, 0.82) 0%, rgba(247, 243, 236, 0.95) 100%);
  z-index: 1;
}

.hero-bg-image {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-size: cover;
  background-position: center;
  filter: blur(2px);
  z-index: 0;
}

.hero-container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(185, 105, 74, 0.1);
  color: var(--color-terracotta);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-terracotta);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 20px;
}

.serif-highlight {
  color: var(--color-terracotta);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  word-break: keep-all;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}

.btn-hero-phone {
  background: rgba(255, 255, 255, 0.9) !important;
  color: var(--color-terracotta) !important;
  border: 1.5px solid var(--color-terracotta) !important;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.btn-hero-phone:hover {
  background: var(--color-terracotta) !important;
  color: var(--text-white) !important;
  transform: translateY(-2px);
}

.hero-sub-link a {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.hero-sub-link .sub-link-question {
  color: var(--text-main);
  font-weight: 500;
}

.hero-sub-link .sub-link-action {
  color: var(--color-terracotta);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.hero-sub-link a:hover .sub-link-action {
  color: var(--color-terracotta-hover);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.scroll-down-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  text-align: center;
  animation: bounce 2s infinite;
}

.scroll-down-hint a {
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: var(--text-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
  40% { transform: translateY(-8px) translateX(-50%); }
  60% { transform: translateY(-4px) translateX(-50%); }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 1.65rem;
  }
  .hero-subtitle {
    font-size: 0.95rem;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
}

/* 7. CUSTOM ORDER CATEGORIES & PROCESS */
.custom-order-section {
  padding-bottom: 40px;
}

@media (max-width: 768px) {
  .custom-order-section {
    padding-bottom: 30px;
  }
}

.category-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

@media (max-width: 991px) {
  .category-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .category-cards-grid {
    grid-template-columns: 1fr;
  }
}

.category-card {
  background: var(--bg-card);
  padding: 30px 24px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-terracotta);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-warm);
  color: var(--color-terracotta);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.category-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.category-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(185, 105, 74, 0.08);
  color: var(--color-terracotta);
  padding: 4px 10px;
  border-radius: 20px;
}

/* 4-Step Process Bar */
.process-wrapper {
  background: var(--bg-card);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.process-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 36px;
}

.process-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.step-item {
  flex: 1;
  text-align: center;
  position: relative;
}

.step-num {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-terracotta);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.step-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  background: var(--bg-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-terracotta);
}

.step-item h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.step-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
  word-break: keep-all;
}

.step-arrow {
  color: var(--color-sand);
}

@media (max-width: 768px) {
  .process-steps {
    flex-direction: column;
    gap: 24px;
  }
  .step-arrow {
    transform: rotate(90deg);
  }
}

.process-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-warm);
  padding: 14px 20px;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  color: var(--text-main);
}

.process-notice i {
  color: var(--color-terracotta);
  flex-shrink: 0;
}

/* 8. GALLERY (제작 샘플) */
.gallery-section {
  padding-top: 40px;
}

@media (max-width: 768px) {
  .gallery-section {
    padding-top: 30px;
  }
}

.gallery-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn.active, .tab-btn:hover {
  background: var(--color-terracotta);
  color: var(--text-white);
  border-color: var(--color-terracotta);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

@media (max-width: 650px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.gallery-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 700 / 380;
  overflow: hidden;
  background-color: var(--bg-sub);
}

.gallery-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(44, 38, 35, 0.45);
  color: var(--text-white);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-normal);
}

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

.btn-zoom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  background: var(--color-terracotta);
  color: var(--text-white);
  padding: 10px 22px;
  border-radius: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.gallery-item:hover .btn-zoom {
  transform: scale(1.05);
}

.gallery-bottom-banner {
  background: var(--bg-sub);
  padding: 30px;
  border-radius: var(--border-radius-md);
  border: 1px dashed var(--color-sand);
}

/* 9. ORDER GUIDE INTERACTIVE SELECTOR */
.guide-interactive-card {
  background: var(--bg-card);
  padding: 36px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.guide-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 30px;
}

.group-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--text-main);
}

.group-label i {
  color: var(--color-terracotta);
}

.chip-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-btn {
  background: var(--bg-warm);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip-btn.active, .chip-btn:hover {
  background: var(--color-terracotta);
  color: var(--text-white);
  border-color: var(--color-terracotta);
}

/* Custom Text Input for 기타 형태 */
.custom-shape-input-wrapper {
  margin-top: 10px;
  position: relative;
  display: flex;
  align-items: center;
}

.custom-text-input {
  width: 100%;
  padding: 10px 70px 10px 14px;
  background: var(--bg-card, #ffffff);
  border: 1.5px solid var(--border-color, #e2dcd5);
  border-radius: var(--border-radius-sm, 8px);
  font-size: 0.9rem;
  color: var(--text-main, #222222);
  outline: none;
  transition: all var(--transition-fast, 0.2s);
}

.custom-text-input:focus {
  border-color: var(--color-terracotta, #c85a32);
  box-shadow: 0 0 0 3px rgba(200, 90, 50, 0.12);
}

.char-counter {
  position: absolute;
  right: 14px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted, #888888);
  pointer-events: none;
}

/* Custom Height & Diameter Dimension Inputs (Vertical Unified) */
.custom-dimension-container {
  background: var(--bg-card, #ffffff);
  border: 1px solid var(--border-color, #e2dcd5);
  border-radius: var(--border-radius-md, 12px);
  padding: 14px 18px;
}

/* PC/모바일 공통: 세로 배치 통일 */
.dim-flex-column {
  display: flex !important;
  flex-direction: column !important;
  align-items: flex-start !important;
  gap: 10px !important;
}

.dim-group {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  white-space: nowrap !important;
}

.dim-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main, #333333);
  min-width: 32px;
  white-space: nowrap !important;
}

.dim-input-box {
  display: inline-flex !important;
  align-items: center !important;
  background: var(--bg-warm, #faf8f5);
  border: 1.5px solid var(--border-color, #e2dcd5);
  border-radius: 8px;
  padding: 4px 8px;
  transition: all var(--transition-fast, 0.2s);
}

.dim-input-box:focus-within {
  border-color: var(--color-terracotta, #c85a32);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(200, 90, 50, 0.12);
}

.dim-input {
  width: 48px;
  border: none;
  background: transparent;
  padding: 2px 0;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-main, #222222);
  outline: none;
}

.dim-input::-webkit-inner-spin-button,
.dim-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.dim-input[type=number] {
  -moz-appearance: textfield;
}

.dim-unit {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted, #777777);
  margin-left: 2px;
}

.dimension-note {
  font-size: 0.78rem;
  color: var(--text-muted, #888888);
  margin-top: 10px;
  margin-bottom: 0;
}

.guide-summary-box .btn {
  white-space: nowrap !important;
}

.dimension-presets {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px dashed var(--border-color, #eae4dc);
}

.preset-title {
  font-size: 0.8rem;
  color: var(--text-muted, #777777);
  font-weight: 500;
}

.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.preset-btn {
  background: var(--bg-warm, #faf8f5);
  border: 1px solid var(--border-color, #e2dcd5);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.8rem;
  color: var(--text-main, #444444);
  cursor: pointer;
  transition: all 0.2s ease;
}

.preset-btn:hover, .preset-btn.active {
  background: var(--color-terracotta, #c85a32);
  color: #ffffff;
  border-color: var(--color-terracotta, #c85a32);
}

.guide-summary-box {
  background: var(--bg-sub);
  padding: 20px 24px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 768px) {
  .guide-summary-box {
    flex-direction: column;
    text-align: center;
  }
}

/* 10. RECOMMENDATIONS */
.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.rec-card {
  background: var(--bg-card);
  padding: 36px 28px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  position: relative;
  display: flex;
  flex-direction: column;
}

.rec-card.highlight {
  border-color: var(--color-terracotta);
  box-shadow: var(--shadow-md);
}

.rec-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--color-terracotta);
  color: var(--text-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 12px;
}

.rec-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-warm);
  color: var(--color-terracotta);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 20px;
}

.rec-card h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.rec-list {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rec-list li {
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding-left: 20px;
}

.rec-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-terracotta);
  font-weight: 700;
}

.rec-card button {
  margin-top: auto;
}

/* 11. ABOUT WORKSHOP & AUTHOR */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: stretch;
}

@media (max-width: 991px) {
  .about-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

.about-img-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 400px;
}

.about-img-main {
  flex: 1;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-experience-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--color-terracotta);
  color: var(--text-white);
  padding: 16px 22px;
  border-radius: var(--border-radius-md);
  text-align: center;
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.exp-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
}

.exp-txt {
  font-size: 0.8rem;
  opacity: 0.9;
}

.about-philosophy {
  font-size: 1.05rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 24px;
}

.author-profile-box {
  background: var(--bg-card);
  padding: 20px 24px;
  border-radius: var(--border-radius-sm);
  border-left: 4px solid var(--color-terracotta);
  margin-bottom: 24px;
}

.author-profile-box h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.author-bio {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.trust-points {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.trust-item i {
  color: var(--color-terracotta);
  flex-shrink: 0;
  margin-top: 2px;
}

.trust-item strong {
  display: block;
  font-size: 0.95rem;
}

.trust-item p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.safety-notice-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(185, 105, 74, 0.08);
  padding: 12px 18px;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem;
  color: var(--color-terracotta);
}

/* 12. ONEDAY CLASS */
.class-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

@media (max-width: 768px) {
  .class-cards-grid {
    grid-template-columns: 1fr;
  }
}

.class-card {
  background: var(--bg-card);
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.class-img-box {
  position: relative;
  height: 240px;
}

.class-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.class-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(44, 38, 35, 0.8);
  color: var(--text-white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

.class-content {
  padding: 28px;
}

.class-content h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.class-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.class-info-list {
  list-style: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
}

.class-date-points {
  background: var(--bg-sub);
  padding: 36px;
  border-radius: var(--border-radius-lg);
}

.points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 30px;
  text-align: center;
}

@media (max-width: 768px) {
  .points-grid {
    grid-template-columns: 1fr;
  }
}

.p-item i {
  font-size: 1.75rem;
  color: var(--color-terracotta);
  margin-bottom: 10px;
}

.p-item h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

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

/* 13. FAQ ACCORDION */
.faq-accordion-wrapper {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-terracotta);
}

.faq-icon {
  transition: transform var(--transition-fast);
}

.faq-item.open .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.open .faq-answer {
  padding: 0 24px 20px 24px;
  max-height: 300px;
}

/* 14. INQUIRY SECTION & FORM */
.inquiry-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
}

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

.direct-contact-card {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 32px 28px;
  border-radius: var(--border-radius-lg);
}

@media (max-width: 768px) {
  .direct-contact-card,
  .inquiry-form-card,
  .process-wrapper,
  .guide-interactive-card,
  .class-date-points {
    padding: 24px 20px;
    border-radius: var(--border-radius-md);
  }
  .phone-box {
    padding: 16px 14px;
  }
}

@media (max-width: 400px) {
  .direct-contact-card,
  .inquiry-form-card {
    padding: 20px 16px;
  }
  .phone-number {
    font-size: 1.35rem;
  }
  .direct-contact-card h3,
  .inquiry-form-card h3 {
    font-size: 1.35rem;
  }
}

.direct-contact-card h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 8px;
  text-align: center;
}

.contact-desc {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 30px;
  text-align: center;
}

.phone-box {
  background: rgba(255, 255, 255, 0.08);
  padding: 20px;
  border-radius: var(--border-radius-md);
  margin-bottom: 32px;
  max-width: 100%;
}

.phone-box .btn {
  white-space: normal;
  word-break: keep-all;
  font-size: 0.88rem;
  padding: 10px 12px;
  width: 70%;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-link {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--text-white);
}

.phone-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-sand);
}

.phone-sub {
  font-size: 0.75rem;
  opacity: 0.7;
}

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

.c-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.c-info-item i {
  color: var(--color-sand);
  font-size: 1.25rem;
  margin-top: 2px;
}

.c-info-item strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--text-white);
  font-weight: 700;
}

.c-info-item p,
.c-info-text {
  font-size: 0.92rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.95);
  opacity: 1;
}

.c-info-subtext {
  display: block;
  margin-top: 4px;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-sand);
  opacity: 1;
}

.insta-link {
  color: var(--color-sand);
  font-weight: 700;
  text-decoration: underline;
  transition: color var(--transition-fast);
}

.insta-link:hover {
  color: var(--text-white);
}

.map-link {
  color: var(--color-sand);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: underline;
  display: inline-block;
  margin-top: 6px;
}

/* Inquiry Form */
.inquiry-form-card {
  background: var(--bg-card);
  padding: 32px 24px;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.inquiry-form-card h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 6px;
  text-align: center;
}

.form-subtext {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group label, .form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.required {
  color: var(--color-terracotta);
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group input[type="date"],
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background: var(--bg-warm);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-terracotta);
  background: var(--bg-card);
}

.radio-group, .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.radio-label, .checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
}

.file-drop-zone {
  border: 2px dashed var(--border-color);
  background: var(--bg-warm);
  border-radius: var(--border-radius-sm);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.file-drop-zone:hover, .file-drop-zone.dragover {
  border-color: var(--color-terracotta);
  background: rgba(185, 105, 74, 0.05);
}

.file-drop-zone i {
  font-size: 2rem;
  color: var(--color-terracotta);
  margin-bottom: 8px;
}

.file-drop-zone p {
  font-size: 0.9rem;
}

.file-drop-zone p span {
  color: var(--color-terracotta);
  font-weight: 600;
}

.file-spec {
  font-size: 0.75rem;
  color: var(--text-light);
}

.file-input-hidden {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.file-preview-container {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.file-thumb-box {
  width: 70px;
  height: 70px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-color);
}

.file-thumb-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.btn-remove-thumb {
  position: absolute;
  top: 2px;
  right: 2px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border: none;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.consent-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.btn-privacy-modal {
  background: none;
  border: none;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
}

/* 15. FINAL CTA & FOOTER */
.final-cta-section {
  padding: 100px 0;
}

.final-title {
  font-size: 1.65rem;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .final-title {
    font-size: 1.2rem;
  }
  .final-desc {
    font-size: 0.95rem;
  }
}

.final-desc {
  font-size: 1.05rem;
  opacity: 0.8;
  margin-bottom: 40px;
  word-break: keep-all;
}

.final-btn-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

@media (max-width: 600px) {
  .final-btn-group {
    flex-direction: column;
  }
  .final-btn-group .btn {
    width: 100%;
  }
}

.site-footer {
  background: #231E1B;
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 30px;
  font-size: 0.85rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

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

.footer-slogan {
  margin-top: 8px;
  font-size: 0.8rem;
  opacity: 0.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a, .footer-links button {
  color: rgba(255, 255, 255, 0.8);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  font-size: 0.75rem;
  opacity: 0.5;
}

/* 16. MOBILE FIXED BOTTOM BAR */
.mobile-fixed-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: calc(var(--mobile-bar-height) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  z-index: 9999;
  grid-template-columns: 1fr 1fr;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
}

@media (max-width: 991px) {
  .mobile-fixed-bar {
    display: grid;
  }
}

.mobile-bar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.98rem;
  width: 100%;
  height: 100%;
  text-align: center;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0.05);
  user-select: none;
}

.mobile-bar-btn * {
  pointer-events: none;
}

.btn-call {
  background: var(--bg-warm);
  color: var(--text-main);
  border-right: 1px solid var(--border-color);
}

.btn-call:active {
  background: var(--bg-sub);
}

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

.btn-inquiry:active {
  background: var(--color-terracotta-hover);
}

/* 17. MODALS & TOAST */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  background: var(--bg-card);
  border-radius: var(--border-radius-lg);
  max-width: 680px;
  width: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.lightbox-body {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.lightbox-img-col {
  background: #F3EFE9;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  aspect-ratio: 700 / 380;
  max-height: 380px;
}

.lightbox-img-col img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--border-radius-sm);
  display: block;
}

.lightbox-info-col.simplified {
  padding: 24px 28px 28px;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
}

.lb-notice-card {
  background: var(--bg-warm);
  padding: 20px 22px;
  border-radius: var(--border-radius-md);
  border: 1px dashed var(--color-sand);
  margin-bottom: 16px;
}

.lb-notice-text {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--text-main);
  word-break: keep-all;
  text-align: center;
}

.modal-close-btn {
  position: absolute;
  top: 12px;
  right: 16px;
  background: rgba(255, 255, 255, 0.85);
  border: none;
  font-size: 1.8rem;
  color: var(--text-main);
  cursor: pointer;
  z-index: 10;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.modal-card {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--border-radius-md);
  max-width: 500px;
  width: 100%;
  position: relative;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.modal-body {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

/* Success Modal Specific */
.success-card {
  max-width: 420px;
  padding: 36px 28px;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 50px rgba(44, 38, 35, 0.2);
  border: 1px solid var(--border-color);
  animation: modalScaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleUp {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.success-icon-box {
  width: 64px;
  height: 64px;
  background: rgba(185, 105, 74, 0.1);
  color: var(--color-terracotta);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2.2rem;
}

.success-modal-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-main);
  margin-bottom: 12px;
  word-break: keep-all;
}

.success-modal-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.6;
  word-break: keep-all;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-dark);
  color: var(--text-white);
  padding: 14px 28px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  z-index: 3000;
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast i {
  color: #4EBE82;
}