/* ==========================================================================
   COFFEE CUP — UI/UX Pro Max Design System Stylesheet
   Style: Exaggerated Minimalism + Editorial Luxury
   Palette: Coffee Brown (#6F4E37), Espresso (#1C130E), Oat Cream (#FAF6F0), Caramel (#C2743E)
   ========================================================================== */

:root {
  /* 淺焙燕麥奶模式 (Light Mode - WCAG AA 高對比度驗證) */
  --bg-primary: #FAF6F0;
  --bg-secondary: #F2EBE1;
  --bg-surface: #FFFFFF;
  --bg-glass: rgba(250, 246, 240, 0.88);
  --text-primary: #1C130E;
  --text-secondary: #524137;
  --text-muted: #6E5A4F;
  --brand-primary: #6F4E37;
  --brand-hover: #563B28;
  --accent-cta: #B85D27;
  --accent-cta-hover: #96481B;
  --border-subtle: #E2D6C5;
  --border-strong: #C9B7A2;
  --shadow-soft: 0 12px 32px -8px rgba(28, 19, 14, 0.08);
  --shadow-elevated: 0 20px 45px -12px rgba(28, 19, 14, 0.16);
  --focus-ring: 0 0 0 3px rgba(184, 93, 39, 0.45);

  /* 字體設定 */
  --font-serif: "Playfair Display", "Noto Serif TC", Georgia, serif;
  --font-sans: "Inter", "Noto Sans TC", -apple-system, BlinkMacSystemFont, sans-serif;

  /* 圓角與動效規範 (150-300ms) */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;
  --transition-fast: 180ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-base: 260ms cubic-bezier(0.22, 1, 0.36, 1);

  /* Z-index 階層管理 */
  --z-base: 1;
  --z-floating: 10;
  --z-navbar: 30;
  --z-drawer: 50;
  --z-toast: 60;
}

/* 深焙濃縮模式 (Dark Mode) */
html[data-theme="dark"] {
  --bg-primary: #130E0B;
  --bg-secondary: #1D1511;
  --bg-surface: #251B16;
  --bg-glass: rgba(29, 21, 17, 0.88);
  --text-primary: #F7F1E8;
  --text-secondary: #D5C5B5;
  --text-muted: #A89482;
  --brand-primary: #D49B6A;
  --brand-hover: #E3B083;
  --accent-cta: #D97736;
  --accent-cta-hover: #E68A4D;
  --border-subtle: #362820;
  --border-strong: #523D31;
  --shadow-soft: 0 12px 32px -8px rgba(0, 0, 0, 0.45);
  --shadow-elevated: 0 20px 48px -12px rgba(0, 0, 0, 0.65);
}

/* 基礎重置與無障礙設定 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

/* 確保所有可互動元素皆有清晰 Focus Ring 與 Cursor Pointer */
a,
button,
label.option-card,
input[type="date"],
select {
  cursor: pointer;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

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

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: var(--z-toast);
  background: var(--accent-cta);
  color: #FFFFFF;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* 容器與版面通用設定 */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section-padding {
  padding-block: clamp(4.5rem, 8vw, 7.5rem);
}

/* ==========================================================================
   Floating Navbar (遵循 UI/UX Pro Max 懸浮邊距規範)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: var(--z-navbar);
  pointer-events: none;
}

.navbar {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 0.65rem 1.25rem;
  box-shadow: var(--shadow-soft);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
}

.brand-icon {
  color: var(--accent-cta);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

/* 最小觸控目標 44x44px */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-primary);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.icon-btn:hover {
  border-color: var(--brand-primary);
  background: var(--bg-secondary);
}

/* 主題圖示切換 */
html[data-theme="light"] .icon-moon {
  display: block;
}
html[data-theme="light"] .icon-sun {
  display: none;
}
html[data-theme="dark"] .icon-moon {
  display: none;
}
html[data-theme="dark"] .icon-sun {
  display: block;
}

.cart-trigger-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background-color var(--transition-fast);
}

.cart-trigger-btn:hover {
  background: var(--accent-cta);
  color: #FFFFFF;
}

.cart-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding-inline: 6px;
  border-radius: var(--radius-pill);
  background: var(--accent-cta);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
}

.mobile-menu-btn {
  display: none;
}

/* ==========================================================================
   Hero Section — Exaggerated Minimalism
   ========================================================================== */
.hero-section {
  padding-top: clamp(7.5rem, 12vw, 10rem);
  padding-bottom: clamp(4rem, 7vw, 6.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.eyebrow-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--brand-primary);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-cta);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 5.5vw, 4.6rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.serif-italic {
  font-style: italic;
  color: var(--accent-cta);
  font-weight: 500;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.25vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 60ch;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.96rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
  background: var(--accent-cta);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--accent-cta-hover);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

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

.btn-full {
  width: 100%;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.metric-item dt {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.metric-item dd {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 700;
  color: var(--text-primary);
}

/* Hero 右側視覺與浮動風味卡 */
.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
}

.hero-main-img {
  width: 100%;
  height: clamp(400px, 52vw, 580px);
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
}

.floating-tasting-card {
  position: absolute;
  bottom: 1.5rem;
  left: -1.5rem;
  right: 1.5rem;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.4rem;
  box-shadow: var(--shadow-elevated);
}

.tasting-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.badge-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  background: var(--accent-cta);
  color: #FFFFFF;
}

.roast-level {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.tasting-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.2rem;
}

.tasting-notes {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.9rem;
}

.tasting-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tasting-price {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.btn-sm-add {
  min-height: 40px;
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--text-primary);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.btn-sm-add:hover {
  background: var(--accent-cta);
  border-color: var(--accent-cta);
  color: #FFFFFF;
}

/* ==========================================================================
   跑馬燈橫幅
   ========================================================================== */
.marquee-strip {
  background: var(--text-primary);
  color: var(--bg-primary);
  padding-block: 0.95rem;
  overflow: hidden;
  border-block: 1px solid var(--border-subtle);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 2.2rem;
  width: max-content;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  animation: scrollMarquee 28s linear infinite;
}

.marquee-sep {
  color: var(--accent-cta);
}

@keyframes scrollMarquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* ==========================================================================
   Section Header & Menu Section
   ========================================================================== */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2.75rem;
}

.section-kicker {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent-cta);
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3rem);
  line-height: 1.18;
}

.section-desc {
  max-width: 48ch;
  color: var(--text-secondary);
  font-size: 1rem;
}

.menu-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tab-btn {
  min-height: 44px;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.92rem;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

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

.tab-btn.active {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.search-box {
  position: relative;
  flex: 1 1 280px;
  max-width: 360px;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  min-height: 44px;
  padding: 0.6rem 1rem 0.6rem 2.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  font-size: 0.92rem;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  border-color: var(--accent-cta);
}

/* 菜單網格與卡片 (遵循穩定 Hover 狀態，不做造成版面位移的放大) */
.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}

.menu-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.menu-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-elevated);
}

.menu-card-media {
  position: relative;
  height: 230px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.menu-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--transition-base);
}

.menu-card-tag {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.menu-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.4rem;
}

.menu-card-meta {
  font-size: 0.8rem;
  color: var(--brand-primary);
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.menu-card-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 0.45rem;
}

.menu-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  flex: 1;
}

.menu-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.menu-card-price {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
}

.add-to-cart-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 44px;
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.88rem;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.add-to-cart-btn:hover {
  background: var(--accent-cta);
  border-color: var(--accent-cta);
  color: #FFFFFF;
}

.empty-menu-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: var(--bg-surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
}

/* ==========================================================================
   互動式專屬 Coffee Cup 調配器
   ========================================================================== */
.customizer-section {
  background: var(--bg-secondary);
  border-block: 1px solid var(--border-subtle);
}

.customizer-wrapper {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2rem, 4.5vw, 4rem);
  align-items: start;
}

.customizer-preview {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-soft);
}

.customizer-lead {
  color: var(--text-secondary);
  font-size: 0.96rem;
  margin-top: 0.6rem;
  margin-bottom: 2rem;
}

/* 咖啡杯剖面視覺 */
.cup-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: 1.5rem;
}

.steam-group {
  display: flex;
  gap: 14px;
  height: 28px;
  margin-bottom: 8px;
}

.steam-line {
  width: 3px;
  height: 22px;
  border-radius: var(--radius-pill);
  background: var(--border-strong);
  opacity: 0.65;
  animation: floatSteam 2.4s ease-in-out infinite;
}

.steam-line.s2 {
  animation-delay: 0.5s;
}
.steam-line.s3 {
  animation-delay: 1s;
}

@keyframes floatSteam {
  0%, 100% {
    transform: translateY(4px);
    opacity: 0.3;
  }
  50% {
    transform: translateY(-5px);
    opacity: 0.8;
  }
}

.cup-vessel {
  position: relative;
  width: 220px;
  height: 210px;
  border: 4px solid var(--text-primary);
  border-radius: 12px 12px 95px 95px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: var(--bg-primary);
  box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.08);
}

.cup-layer {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: height var(--transition-base), background-color var(--transition-base);
  overflow: hidden;
}

.layer-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-pill);
  background: rgba(28, 19, 14, 0.72);
  color: #FFFFFF;
}

.layer-foam {
  height: 18%;
  background: #F7F2EB;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.12);
}

.layer-milk {
  height: 48%;
  background: #F5EFE6;
}

.layer-espresso {
  height: 34%;
  background: #7B4B2A;
}

.cup-saucer {
  width: 260px;
  height: 14px;
  margin-top: 6px;
  border-radius: var(--radius-pill);
  background: var(--text-primary);
}

.custom-summary-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.summary-chip {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

/* 右側控制表單 */
.customizer-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.control-group {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.control-legend {
  font-weight: 700;
  font-size: 0.95rem;
  padding-inline: 0.4rem;
  color: var(--text-primary);
}

.option-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.option-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.option-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.option-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-subtle);
  background: var(--bg-primary);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.option-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-card:hover {
  border-color: var(--brand-primary);
}

.option-card:has(input:checked) {
  border-color: var(--accent-cta);
  background: var(--bg-surface);
  box-shadow: 0 0 0 1px var(--accent-cta);
}

.option-card:has(input:focus-visible) {
  box-shadow: var(--focus-ring);
}

.option-title {
  font-weight: 700;
  font-size: 0.92rem;
}

.option-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.customizer-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
}

.price-label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.price-value {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  color: var(--text-primary);
}

/* ==========================================================================
   烘焙工藝卡片
   ========================================================================== */
.craft-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.craft-card {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: border-color var(--transition-base);
}

.craft-card:hover {
  border-color: var(--brand-primary);
}

.craft-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--border-strong);
  line-height: 1;
  margin-bottom: 1rem;
}

.craft-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--accent-cta);
  margin-bottom: 1.25rem;
}

.craft-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 0.65rem;
}

.craft-text {
  color: var(--text-secondary);
  font-size: 0.94rem;
}

/* ==========================================================================
   空間預約區塊
   ========================================================================== */
.reserve-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.reserve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4.5vw, 4rem);
  align-items: center;
}

.gallery-main img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.space-info-bar {
  margin-top: 1.25rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.4rem;
}

.space-detail {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.space-detail svg {
  color: var(--accent-cta);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.space-detail strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.space-detail span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.reserve-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-soft);
}

.reserve-title {
  font-family: var(--font-serif);
  font-size: clamp(1.65rem, 2.8vw, 2.2rem);
  margin-bottom: 0.65rem;
}

.reserve-desc {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin-bottom: 1.75rem;
}

.reserve-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-field label {
  font-size: 0.88rem;
  font-weight: 600;
}

.form-field input,
.form-field select,
.form-field textarea {
  min-height: 44px;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-primary);
  font-size: 0.92rem;
  transition: border-color var(--transition-fast);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent-cta);
}

.field-error {
  font-size: 0.8rem;
  color: #C93B2B;
  min-height: 1.1em;
}

.form-feedback {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--brand-primary);
}

/* ==========================================================================
   頁尾 Footer
   ========================================================================== */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 4rem;
  padding-bottom: 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-slogan {
  margin-top: 0.85rem;
  color: var(--text-secondary);
  max-width: 34ch;
  font-size: 0.92rem;
}

.footer-links-group h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.footer-links-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links-group a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.84rem;
  color: var(--text-muted);
  text-align: center;
}

/* ==========================================================================
   購物車側滑抽屜與 Toast
   ========================================================================== */
.cart-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  background: rgba(19, 14, 11, 0.55);
  backdrop-filter: blur(4px);
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 100vw);
  z-index: calc(var(--z-drawer) + 1);
  background: var(--bg-surface);
  border-left: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-elevated);
}

.cart-drawer.open {
  transform: translateX(0);
}

.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.cart-drawer-header h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
}

.cart-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
}

.cart-item-info h3 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.cart-item-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.qty-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  font-weight: 700;
}

.cart-drawer-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-primary);
}

.cart-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.cart-total-row strong {
  font-family: var(--font-serif);
  font-size: 1.4rem;
}

.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.toast-msg {
  background: var(--text-primary);
  color: var(--bg-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-elevated);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ==========================================================================
   響應式設計 (1024px / 768px / 375px)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid,
  .customizer-wrapper,
  .reserve-grid {
    grid-template-columns: 1fr;
  }

  .floating-tasting-card {
    left: 1rem;
    right: 1rem;
  }

  .craft-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-elevated);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .cart-label {
    display: none;
  }

  .option-grid.cols-3,
  .option-grid.cols-2,
  .form-row,
  .craft-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* 尊重使用者動態減量偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}