/* =========================================================
   成金米糕 — 全站共用樣式
   設計系統:醬色(主色)/ 金色(點綴)/ 米白(底色)
   ========================================================= */

/* ---------- 1. 設計變數 ---------- */
:root {
  /* 色彩 */
  --color-primary: #8b3a1e;        /* 醬色:主色 */
  --color-primary-dark: #6a2a14;
  --color-primary-light: #b8573a;
  --color-accent: #d4a24c;         /* 成金:點綴金 */
  --color-accent-dark: #b5862f;
  --color-bg: #fbf6ee;             /* 米白 */
  --color-bg-alt: #f3e9da;         /* 糯米黃 */
  --color-surface: #ffffff;
  --color-text: #2b211c;
  --color-muted: #6e625a;
  --color-border: #e8dccb;
  --color-dark: #2a1b14;           /* 頁尾深色 */
  --color-on-dark: #f6ede0;
  --color-on-dark-muted: #c9b9a6;

  /* 字體 */
  --font-sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  --font-serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;

  /* 字級階層 */
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --fs-xl: clamp(1.6rem, 1.3rem + 1.2vw, 2.25rem);
  --fs-2xl: clamp(2rem, 1.5rem + 2.4vw, 3.25rem);

  /* 間距 */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: clamp(3rem, 2rem + 4vw, 5.5rem);
  --gutter: clamp(1rem, 0.5rem + 3vw, 2rem);   /* 容器左右留白 */

  /* 其他 */
  --container: 72rem;
  --container-narrow: 48rem;
  --radius-sm: 0.375rem;
  --radius: 0.75rem;
  --radius-lg: 1.25rem;
  --shadow-sm: 0 1px 3px rgba(43, 33, 28, 0.08);
  --shadow: 0 6px 20px rgba(43, 33, 28, 0.1);
  --shadow-lg: 0 14px 40px rgba(43, 33, 28, 0.16);
  --header-h: 4.25rem;
  --transition: 0.25s ease;
}

/* ---------- 2. 基礎重置 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img,
svg,
iframe {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
  text-wrap: balance;
}

h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }

p {
  margin: 0 0 var(--space-md);
  text-wrap: pretty;
}

a {
  color: var(--color-primary);
  text-underline-offset: 0.2em;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-dark);
}

ul,
ol {
  margin: 0;
  padding: 0;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------- 3. 工具類 ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--gutter);
  z-index: 200;
  padding: 0.5em 1em;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: var(--space-xs);
  color: #fff;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.mt-xl { margin-top: var(--space-xl); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ---------- 4. 版面容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--space-2xl);
}

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

.section--dark {
  background: var(--color-dark);
  color: var(--color-on-dark);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-on-dark);
}

.section-head {
  max-width: 42rem;
  margin: 0 auto var(--space-xl);
  text-align: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-xs);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-accent-dark);
}

.section--dark .eyebrow {
  color: var(--color-accent);
}

.lead {
  font-size: var(--fs-md);
  color: var(--color-muted);
}

.section--dark .lead {
  color: var(--color-on-dark-muted);
}

/* ---------- 5. 按鈕 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 0.65em 1.5em;
  font: inherit;
  font-size: var(--fs-base);
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  letter-spacing: 0.05em;
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition),
    border-color var(--transition), transform var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-dark);
}

.btn--accent:hover {
  background: var(--color-accent-dark);
  color: var(--color-dark);
}

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

.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.85);
  color: #fff;
}

.btn--light:hover {
  background: #fff;
  color: var(--color-primary);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.text-center .btn-group,
.btn-group--center {
  justify-content: center;
}

/* ---------- 6. 頁首 / 導覽 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 246, 238, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-primary);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.2;
}

.brand-tagline {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-muted);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle-bar {
  position: relative;
}

.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-bar::before { top: -6px; }
.nav-toggle-bar::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bar {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 2rem);
  list-style: none;
}

.site-nav a {
  position: relative;
  display: block;
  padding-block: 0.5rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-text);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.2rem;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav .nav-cta {
  padding: 0.45em 1.2em;
  color: #fff;
  background: var(--color-primary);
  border-radius: 999px;
}

.site-nav .nav-cta::after {
  display: none;
}

.site-nav .nav-cta:hover {
  color: #fff;
  background: var(--color-primary-dark);
}

/* ---------- 7. 首頁 Hero ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(30rem, 82vh, 46rem);
  padding-block: var(--space-2xl);
  color: #fff;
  background-color: var(--color-dark);
  background-image:
    linear-gradient(90deg, rgba(30, 18, 12, 0.92) 0%, rgba(30, 18, 12, 0.78) 38%, rgba(30, 18, 12, 0.35) 62%, rgba(30, 18, 12, 0.1) 100%),
    var(--hero-image, none);
  background-size: cover;
  background-position: center right;
  --hero-image: url("../images/product-trio.jpg");
}

.hero-content {
  max-width: 36rem;
}

.hero h1 {
  margin-bottom: var(--space-md);
  color: #fff;
  letter-spacing: 0.06em;
}

.hero .eyebrow {
  color: var(--color-accent);
}

.hero-lead {
  margin-bottom: var(--space-lg);
  font-size: var(--fs-md);
  color: rgba(255, 255, 255, 0.88);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-lg);
  margin-top: var(--space-lg);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.8);
  list-style: none;
}

.hero-meta li::before {
  content: "◆";
  margin-right: 0.4em;
  font-size: 0.7em;
  color: var(--color-accent);
}

/* ---------- 8. 內頁橫幅 ---------- */
.page-hero {
  position: relative;
  padding-block: clamp(3.5rem, 2.5rem + 6vw, 7rem);
  color: #fff;
  text-align: center;
  background-color: var(--color-dark);
  background-image:
    linear-gradient(rgba(30, 18, 12, 0.7), rgba(30, 18, 12, 0.7)),
    var(--hero-image, none);
  background-size: cover;
  background-position: center;
}

/* 各內頁橫幅背景圖 */
.page-hero--menu { --hero-image: url("../images/product-spread.jpg"); }
.page-hero--about { --hero-image: url("../images/about-craft.jpg"); }
.page-hero--store { --hero-image: url("../images/storefront.jpg"); }
.page-hero--contact { --hero-image: url("../images/hero.jpg"); }

.page-hero h1 {
  margin-bottom: var(--space-xs);
  color: #fff;
  letter-spacing: 0.08em;
}

.page-hero .eyebrow {
  color: var(--color-accent);
}

.page-hero p {
  max-width: 38rem;
  margin: 0 auto;
  font-size: var(--fs-md);
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem;
  margin-top: var(--space-md);
  font-size: var(--fs-sm);
  list-style: none;
  color: rgba(255, 255, 255, 0.75);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb a {
  color: var(--color-accent);
}

/* ---------- 9. 特色 / 圖示格 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: var(--space-lg);
}

.feature {
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto var(--space-md);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-bg-alt);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
}

.feature h3 {
  font-size: var(--fs-md);
}

.feature p {
  margin: 0;
  color: var(--color-muted);
}

/* ---------- 10. 餐點卡片 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14.5rem), 1fr));
  gap: var(--space-lg);
  list-style: none;
}

.dish-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.dish-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.dish-card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-alt);
}

.dish-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dish-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: var(--space-lg);
}

.dish-card-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.dish-card-title h3 {
  margin: 0;
  font-size: var(--fs-md);
}

.price {
  flex-shrink: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.dish-card p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

.badge {
  display: inline-block;
  padding: 0.15em 0.7em;
  font-size: var(--fs-xs);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--color-dark);
  background: var(--color-accent);
  border-radius: 999px;
}

.dish-card-media .badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
}

.badge--primary {
  color: #fff;
  background: var(--color-primary);
}

/* ---------- 11. 圖文左右排 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-xl);
}

.split-media img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.split-body > :last-child {
  margin-bottom: 0;
}

.check-list {
  display: grid;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.6em;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--color-accent-dark);
}

/* ---------- 12. 數字亮點 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 8.5rem), 1fr));
  gap: var(--space-lg);
  text-align: center;
  list-style: none;
}

.stat-value {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-accent);
}

.stat-label {
  display: block;
  margin-top: var(--space-2xs);
  font-size: var(--fs-sm);
  color: var(--color-on-dark-muted);
}

/* ---------- 13. 菜單列表 ---------- */
.menu-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.menu-nav ul {
  display: flex;
  gap: var(--space-xs);
  padding-block: var(--space-sm);
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.menu-nav a {
  display: block;
  padding: 0.4em 1.1em;
  font-size: var(--fs-sm);
  font-weight: 700;
  white-space: nowrap;
  text-decoration: none;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
}

.menu-nav a:hover {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.menu-category {
  scroll-margin-top: 4rem; /* 加上 html 的 scroll-padding,避開 sticky 頁首與分類列 */
}

.menu-category + .menu-category {
  margin-top: var(--space-2xl);
}

.menu-category-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-xs) var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
}

.menu-category-head h2 {
  margin: 0;
}

.menu-category-head p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

.menu-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md) var(--space-xl);
  list-style: none;
}

.menu-item {
  padding-bottom: var(--space-md);
  border-bottom: 1px dashed var(--color-border);
}

.menu-item-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}

.menu-item-head h3 {
  margin: 0;
  font-size: var(--fs-md);
}

.menu-item-head::after {
  content: "";
  flex: 1;
  order: 2;
  min-width: 1.5rem;
  border-bottom: 2px dotted var(--color-border);
  transform: translateY(-0.3em);
}

.menu-item-head .price {
  order: 3;
}

.menu-item-head .badge {
  order: 1;
}

.menu-item p {
  margin: var(--space-2xs) 0 0;
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

.notice {
  padding: var(--space-md) var(--space-lg);
  font-size: var(--fs-sm);
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.notice p:last-child {
  margin: 0;
}

/* ---------- 14. 時間軸 ---------- */
.timeline {
  position: relative;
  display: grid;
  gap: var(--space-xl);
  padding-left: 2rem;
  list-style: none;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  bottom: 0.5rem;
  left: 0.45rem;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 0.45rem;
  left: -2rem;
  width: 1rem;
  height: 1rem;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-year {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.timeline-item h3 {
  margin-bottom: var(--space-2xs);
  font-size: var(--fs-md);
}

.timeline-item p {
  margin: 0;
  color: var(--color-muted);
}

/* ---------- 15. 工序步驟 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11.5rem), 1fr));
  gap: var(--space-lg);
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: var(--space-xs);
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.step h3 {
  font-size: var(--fs-md);
}

.step p {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

/* ---------- 16. 門市資訊 ---------- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: var(--space-lg);
}

.info-card {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.info-card h3 {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-md);
}

.info-card h3::before {
  content: "";
  width: 0.5rem;
  height: 1.1em;
  background: var(--color-accent);
  border-radius: 2px;
}

.info-card p:last-child,
.info-card ul:last-child {
  margin-bottom: 0;
}

.info-list {
  display: grid;
  gap: var(--space-xs);
  list-style: none;
}

.hours-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.hours-table th,
.hours-table td {
  padding: 0.55em 0.25em;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.hours-table th {
  font-weight: 700;
  white-space: nowrap;
}

.hours-table td {
  text-align: right;
}

.hours-table .is-closed td {
  font-weight: 700;
  color: var(--color-primary);
}

.map-embed {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- 17. 表單 ---------- */
.form {
  display: grid;
  gap: var(--space-md);
  padding: clamp(1.25rem, 1rem + 2vw, 2.5rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.form-field {
  display: grid;
  gap: var(--space-2xs);
}

.form-field label {
  font-size: var(--fs-sm);
  font-weight: 700;
}

.form-field .required {
  color: var(--color-primary);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.7em 0.9em;
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-field textarea {
  min-height: 8rem;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 58, 30, 0.15);
}

.form-note {
  margin: 0;
  font-size: var(--fs-xs);
  color: var(--color-muted);
}

.form-status {
  margin: 0;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-primary);
}

.form-status:empty {
  display: none;
}

/* ---------- 18. 常見問題 ---------- */
.faq {
  display: grid;
  gap: var(--space-sm);
}

.faq details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.faq summary {
  position: relative;
  padding: var(--space-md) 3rem var(--space-md) var(--space-lg);
  font-weight: 700;
  list-style: none;
  cursor: pointer;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: var(--space-lg);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-primary);
  transform: translateY(-50%);
  transition: transform var(--transition);
}

.faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq details p {
  margin: 0;
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--color-muted);
}

/* ---------- 19. 行動呼籲橫幅 ---------- */
.cta-band {
  padding-block: var(--space-2xl);
  color: #fff;
  text-align: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(212, 162, 76, 0.25), transparent 50%),
    linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  color: rgba(255, 255, 255, 0.88);
}

/* ---------- 20. 頁尾 ---------- */
.site-footer {
  padding-top: var(--space-2xl);
  font-size: var(--fs-sm);
  color: var(--color-on-dark-muted);
  background: var(--color-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
}

.site-footer .brand,
.site-footer .brand:hover {
  color: var(--color-on-dark);
}

.site-footer .brand-tagline {
  color: var(--color-on-dark-muted);
}

.footer-about {
  margin-top: var(--space-md);
}

.site-footer h2 {
  margin-bottom: var(--space-sm);
  font-size: var(--fs-base);
  letter-spacing: 0.1em;
  color: var(--color-on-dark);
}

.footer-links {
  display: grid;
  gap: var(--space-2xs);
  list-style: none;
}

.site-footer a {
  color: var(--color-on-dark-muted);
  text-decoration: none;
}

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

.footer-bottom {
  padding-block: var(--space-md);
  font-size: var(--fs-xs);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin: 0;
}

/* ---------- 21. RWD ---------- */
@media (min-width: 36em) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64em) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  }
}

@media (min-width: 48em) {
  .split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  }

  .split--reverse .split-media {
    order: 2;
  }

  .menu-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline {
    padding-left: 2.5rem;
  }

  .timeline-item::before {
    left: -2.5rem;
  }
}

@media (max-width: 56em) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: var(--space-sm) var(--gutter) var(--space-lg);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav li + li {
    border-top: 1px solid var(--color-border);
  }

  .site-nav a {
    padding-block: 0.8rem;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav .nav-cta {
    margin-top: var(--space-sm);
    text-align: center;
  }

  .hero {
    background-image:
      linear-gradient(180deg, rgba(30, 18, 12, 0.55) 0%, rgba(30, 18, 12, 0.85) 100%),
      var(--hero-image, none);
    background-position: 70% center;
  }
}

@media (max-width: 30em) {
  .brand-tagline {
    display: none;
  }

  .hero .btn-group .btn,
  .cta-band .btn-group .btn {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}