/* ============================================================
   陶茶雅舍 | Tao · Tea · Art House
   東方禪風樣式表
   ============================================================ */

/* ---------- 設計變數 ---------- */
:root {
  --color-primary:   #2C4A3E;  /* 墨綠 - 茶湯 */
  --color-primary-dark: #1A2E26; /* 水墨 */
  --color-secondary: #F5F0E6;  /* 米白 - 茶紙 */
  --color-accent:    #C9A961;  /* 燙金 - 茶湯光澤 */
  --color-accent-dark: #A98F4D; /* 深金 - 燙金 hover */
  --color-soft:      #8B7355;  /* 木質 */
  --color-text:      #2A2A2A;
  --color-text-soft: #6B6B6B;
  --color-line:      rgba(44, 74, 62, 0.15);
  --color-white:     #FFFFFF;

  --font-heading: 'Noto Serif TC', 'Songti TC', '宋體', serif;
  --font-body:    'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', sans-serif;

  --container: 1200px;
  --radius:    8px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.15);
  --transition: 0.3s ease;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-secondary);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- 通用容器 ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 96px 0;
  position: relative;
}
.section--dark {
  background: var(--color-primary);
  color: var(--color-secondary);
}
.section--cream {
  background: var(--color-secondary);
}
.section--white {
  background: var(--color-white);
}

/* 區塊標題 */
.section-title {
  font-family: var(--font-heading);
  text-align: center;
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-primary-dark);
}
.section--dark .section-title { color: var(--color-secondary); }
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  margin: 16px auto 0;
  background: var(--color-accent);
}
.section-subtitle {
  text-align: center;
  color: var(--color-text-soft);
  margin-bottom: 56px;
  font-size: 1.05rem;
  letter-spacing: 0.1em;
}
.section--dark .section-subtitle { color: rgba(245, 240, 230, 0.7); }

/* ---------- 1. Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  background: rgba(245, 240, 230, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}
.navbar.scrolled {
  padding: 12px 0;
  background: rgba(245, 240, 230, 0.95);
  border-bottom-color: var(--color-line);
  box-shadow: var(--shadow-sm);
}
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
}
.navbar__logo img {
  height: 44px;
  width: auto;
  display: block;
}
.navbar__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.navbar__logo-zh {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: 0.1em;
}
.navbar__logo-en {
  font-size: 0.7rem;
  color: var(--color-soft);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.navbar__menu {
  display: flex;
  gap: 32px;
  align-items: center;
}
.navbar__menu a {
  font-size: 0.95rem;
  color: var(--color-primary-dark);
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}
.navbar__menu a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}
.navbar__menu a:hover { color: var(--color-primary); }
.navbar__menu a:hover::after { width: 100%; }
.navbar__menu a.navbar__cta {
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
}
.navbar__menu a.navbar__cta::after { display: none !important; }
.navbar__menu a.navbar__cta:hover {
  background: var(--color-primary-dark);
  color: var(--color-accent);
}
.navbar__toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}

/* ---------- 2. Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  text-align: center;
  color: var(--color-secondary);
  padding: 120px 24px 80px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/hero.jpg');
  background-image: image-set(
    url('../assets/hero-sm.webp') type('image/webp') 1x,
    url('../assets/hero.webp') type('image/webp') 2x,
    url('../assets/hero-sm.jpg') type('image/jpeg') 1x,
    url('../assets/hero.jpg') type('image/jpeg') 2x
  );
  background-size: cover;
  background-position: center;
  filter: brightness(0.45);
  transform: scale(1.05);
  z-index: 0;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26,46,38,0.4) 0%, rgba(26,46,38,0.7) 100%);
  z-index: 1;
}
.hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}
.hero__eyebrow {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  border-radius: 999px;
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  margin-bottom: 24px;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.hero__title span { color: var(--color-accent); }
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  letter-spacing: 0.15em;
  margin-bottom: 40px;
  color: rgba(245, 240, 230, 0.9);
}
.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-accent);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  z-index: 2;
  animation: floatDown 2s ease-in-out infinite;
}
@keyframes floatDown {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 8px); }
}

/* ---------- 按鈕通用 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}
.btn--primary:hover {
  background: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn--ghost {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--ghost:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}
.btn--lg { padding: 16px 40px; font-size: 1.1rem; }

/* ---------- 3. 關於我們 ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about__text h3 {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: 24px;
  line-height: 1.5;
}
.about__text p {
  color: var(--color-text-soft);
  margin-bottom: 16px;
  text-align: justify;
}
.about__highlights {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.about__chip {
  background: var(--color-secondary);
  border: 1px solid var(--color-line);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--color-primary);
}
.about__image {
  position: relative;
}
.about__image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.about__image::before {
  content: '';
  position: absolute;
  top: -16px; left: -16px;
  width: 100%; height: 100%;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  z-index: -1;
}

/* ---------- 4. 師資介紹 ---------- */
.teachers__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  max-width: 880px;
  margin: 0 auto;
}
.teacher {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}
.teacher:hover { transform: translateY(-6px); }
.teacher__photo {
  aspect-ratio: 1 / 1;
  background: var(--color-secondary);
  position: relative;
  overflow: hidden;
}
.teacher__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
}
.teacher__body {
  padding: 28px 24px;
  text-align: center;
}
.teacher__name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}
.teacher__title {
  color: var(--color-accent);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.teacher__bio {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 師資介紹 - 夫妻檔新版面 */
.teachers-couple {
  max-width: 1000px;
  margin: 0 auto;
}
.teachers-couple__photo {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: 0 auto 48px;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.teachers-couple__photo::before {
  content: '';
  position: absolute;
  top: -12px; left: -12px;
  right: 12px; bottom: 12px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  z-index: -1;
}
.teachers-couple__photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.teachers-couple__badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  z-index: 2;
}
.teachers-couple__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.teacher-info {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-accent);
  transition: transform var(--transition);
}
.teacher-info:hover { transform: translateY(-4px); }
.teacher-info__name {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
  letter-spacing: 0.1em;
}
.teacher-info__title {
  color: var(--color-accent);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  font-weight: 500;
}
.teacher-info__bio {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  line-height: 1.75;
  text-align: justify;
}

/* ---------- 5. 服務項目 ---------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.service {
  background: rgba(245, 240, 230, 0.05);
  border: 1px solid rgba(201, 169, 97, 0.25);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: all var(--transition);
}
.service:hover {
  background: rgba(201, 169, 97, 0.1);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}
.service__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}
.service__name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}
.service__desc {
  font-size: 0.92rem;
  color: rgba(245, 240, 230, 0.75);
  line-height: 1.6;
}

/* ---------- 6. 最新課程 ---------- */
.course-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1000px;
  margin: 0 auto;
}
.course-card__image {
  background: var(--color-primary);
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.course-card__image img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.course-card__badge {
  position: absolute;
  top: 20px; left: 20px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  z-index: 2;
}
.course-card__body {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.course-card__tag {
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  margin-bottom: 12px;
}
.course-card__title {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}
.course-card__desc {
  color: var(--color-text-soft);
  margin-bottom: 24px;
}
.course-card__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  margin-bottom: 28px;
  font-size: 0.95rem;
}
.course-card__meta dt {
  color: var(--color-soft);
  font-weight: 600;
}
.course-card__meta dd { color: var(--color-text); }

.course-empty {
  border: 2px dashed var(--color-line);
  background: transparent;
  color: var(--color-text-soft);
  padding: 48px 28px;
  border-radius: var(--radius);
  text-align: center;
  font-family: var(--font-heading);
}
.course-empty__title {
  color: var(--color-soft);
  font-size: 1.25rem;
  margin-bottom: 8px;
}

/* ---------- 7. 作品展示 ---------- */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery__item {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
  background: var(--color-primary);
}
.gallery__item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery__item:hover img { transform: scale(1.08); }
.gallery__item::after {
  content: '🔍';
  position: absolute;
  inset: 0;
  background: rgba(26, 46, 38, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery__item:hover::after { opacity: 1; }

/* 推薦 Banner */
.photo-banner {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin: 48px 0 0;
  color: var(--color-secondary);
  min-height: 360px;
  display: flex;
  align-items: center;
}
.photo-banner__bg {
  position: absolute;
  inset: 0;
  background-image: url('../assets/pottery-set.jpg');
  background-image: image-set(
    url('../assets/pottery-set-sm.webp') type('image/webp') 1x,
    url('../assets/pottery-set.webp') type('image/webp') 2x,
    url('../assets/pottery-set.jpg') type('image/jpeg') 2x
  );
  background-size: cover;
  background-position: center;
  filter: brightness(0.5);
  z-index: 0;
}
.photo-banner__content {
  position: relative;
  z-index: 1;
  padding: 56px 48px;
  max-width: 620px;
}
.photo-banner__tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.photo-banner__title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.35;
  margin-bottom: 16px;
}
.photo-banner__desc {
  color: rgba(245, 240, 230, 0.9);
  margin-bottom: 28px;
  line-height: 1.8;
}
.photo-banner__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.photo-banner .btn--ghost {
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}
.photo-banner .btn--ghost:hover {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
  cursor: zoom-out;
}
.lightbox.active { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.lightbox__close {
  position: absolute;
  top: 24px; right: 32px;
  font-size: 2.5rem;
  color: var(--color-secondary);
  cursor: pointer;
}

/* ---------- 8. 參展經歷 Timeline ---------- */
.timeline {
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  padding-left: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: var(--color-line);
}
.timeline__item {
  position: relative;
  padding: 12px 0 12px 24px;
  color: var(--color-text-soft);
  font-size: 0.95rem;
  border-bottom: 1px dashed var(--color-line);
}
.timeline__item:last-child { border-bottom: none; }
.timeline__item::before {
  content: '';
  position: absolute;
  left: -28px; top: 22px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-secondary);
}
.timeline__year {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  margin-right: 12px;
}

/* Timeline 折疊 */
.timeline__item--extra {
  display: none;
}
.timeline.collapsed .timeline__item--extra { display: none; }
.timeline.expanded .timeline__item--extra { display: block; }
.timeline-toggle {
  display: block;
  margin: 32px auto 0;
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 10px 28px;
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-body);
}
.timeline-toggle:hover {
  background: var(--color-primary);
  color: var(--color-secondary);
}

/* ---------- 9. 媒體與公益 ---------- */
.media__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.media-card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.media-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.media-card__type {
  background: var(--color-primary);
  color: var(--color-accent);
  padding: 10px 20px;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-align: center;
}
.media-card__body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.media-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
  line-height: 1.5;
}
.media-card__desc {
  color: var(--color-text-soft);
  font-size: 0.92rem;
  margin-bottom: 16px;
  flex: 1;
}
.media-card__link {
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  align-self: flex-start;
}
.media-card__link:hover { color: var(--color-primary); }

.charity {
  margin-top: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  color: var(--color-secondary);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.charity::before {
  content: '♡';
  position: absolute;
  top: -20px; right: -20px;
  font-size: 12rem;
  color: rgba(201, 169, 97, 0.1);
}
.charity__year {
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  position: relative;
}
.charity__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 16px;
  position: relative;
}
.charity__story {
  max-width: 720px;
  margin: 0 auto;
  color: rgba(245, 240, 230, 0.85);
  position: relative;
  line-height: 1.8;
}
.charity__amount {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 24px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
  position: relative;
}

/* ---------- 10. 聯絡資訊 ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: stretch;
}
.contact__info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact__item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  align-items: flex-start;
  transition: all var(--transition);
}
.contact__item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.contact__icon {
  font-size: 1.5rem;
  width: 48px; height: 48px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact__label {
  font-size: 0.85rem;
  color: var(--color-soft);
  letter-spacing: 0.15em;
  margin-bottom: 4px;
}
.contact__value {
  color: var(--color-primary-dark);
  font-weight: 500;
  line-height: 1.5;
}
.contact__value a:hover { color: var(--color-accent); }
.contact__map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 360px;
}
.contact__map iframe {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: 0;
}

/* ---------- 11. Footer ---------- */
.footer {
  background: var(--color-primary-dark);
  color: rgba(245, 240, 230, 0.7);
  padding: 56px 0 24px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer__brand img { height: 56px; margin-bottom: 16px; }
.footer__brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 380px;
}
.footer__logo-text {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-secondary);
  margin-bottom: 8px;
}
.footer__logo-en {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}
.footer__col h4 {
  font-family: var(--font-heading);
  color: var(--color-accent);
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}
.footer__col ul li {
  margin-bottom: 10px;
  font-size: 0.92rem;
}
.footer__col a:hover { color: var(--color-accent); }
.footer__bottom {
  border-top: 1px solid rgba(245, 240, 230, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* ---------- 12. Floating 客服浮窗 ---------- */
.floating {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.floating__btn {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  font-size: 1.4rem;
  transition: all var(--transition);
  color: var(--color-secondary);
}
.floating__btn--phone { background: var(--color-accent); }
.floating__btn--fb    { background: #1877F2; }
.floating__btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-lg);
}
.floating__btn--phone:hover { background: var(--color-accent-dark); }

/* ---------- 12b. 報名 Modal ---------- */
.signup-modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(26, 46, 38, 0.55);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.signup-modal-bg[hidden] { display: none; }
.signup-modal {
  background: var(--color-secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: min(560px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 36px 40px 28px;
}
.signup-modal__close {
  position: absolute;
  top: 12px; right: 14px;
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--color-text-soft);
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}
.signup-modal__close:hover { color: var(--color-primary); }
.signup-modal__title {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  font-size: 1.4rem;
  margin-bottom: 8px;
}
.signup-modal__course {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 20px;
}
.signup-modal__course span {
  color: var(--color-soft);
  font-weight: 400;
  font-size: 0.9rem;
  margin-left: 8px;
}
.signup-form { display: flex; flex-direction: column; gap: 14px; }
.signup-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
  font-weight: 500;
}
.signup-form__field input,
.signup-form__field select,
.signup-form__field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 10px 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
  width: 100%;
}
.signup-form__field input:focus,
.signup-form__field select:focus,
.signup-form__field textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: -1px;
  border-color: var(--color-accent);
}
.signup-form__field textarea { resize: vertical; }
.signup-form__err {
  color: #B3402A;
  font-size: 0.9rem;
}
.signup-form__submit { width: 100%; }
.signup-hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}
.signup-modal__hint {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--color-text-soft);
  text-align: center;
}
.signup-done { text-align: center; padding: 8px 0; }
.signup-done__icon { font-size: 2.6rem; margin-bottom: 10px; }
.signup-done p { color: var(--color-text); line-height: 1.8; margin-bottom: 12px; }
.signup-done__close { margin-top: 6px; }

@media (max-width: 480px) {
  .signup-modal { padding: 28px 20px 22px; }
}

/* Sticky CTA（手機顯示） */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 14px 24px;
  text-align: center;
  font-weight: 600;
  letter-spacing: 0.1em;
  z-index: 80;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
}
.sticky-cta span { color: var(--color-accent); }

/* 底部報名列：兩門課並排 */
.sticky-cta--row {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--color-primary);
  z-index: 80;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
}
.sticky-cta--row .sticky-cta__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px 16px;
}
.sticky-cta--row a {
  color: var(--color-secondary);
  font-weight: 600;
  letter-spacing: 0.1em;
  font-size: 0.92rem;
  padding: 10px 8px;
  border: 1px solid rgba(201,169,97,0.5);
  border-radius: var(--radius);
  text-align: center;
  line-height: 1.5;
  transition: background var(--transition);
}
.sticky-cta--row a span {
  display: block;
  color: var(--color-accent);
  font-size: 0.85rem;
}
.sticky-cta--row a:first-child {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: transparent;
}
.sticky-cta--row a:first-child span { color: var(--color-primary-dark); }

/* 進度條樣式（報名卡） */
.progress-bar {
  margin-bottom: 24px;
}
.progress-bar__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--color-soft);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.progress-bar__count {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.1rem;
}
.progress-bar__count em {
  color: var(--color-accent);
  font-style: normal;
  font-weight: 700;
}
.progress-bar__track {
  width: 100%;
  height: 10px;
  background: rgba(44, 74, 62, 0.1);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 999px;
  width: 0;
  transition: width 1s ease-out;
}
.progress-bar__text {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--color-text-soft);
  text-align: right;
  letter-spacing: 0.05em;
}

/* 課程實況區 */
.real-section {
  background: linear-gradient(180deg, var(--color-secondary) 0%, #EFE7D5 100%);
}
.real-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.real-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.real-item {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  background: var(--color-primary);
}
.real-item--wide {
  aspect-ratio: 16 / 9;
}
.real-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.real-item:hover img { transform: scale(1.06); }
.real-item__caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(26, 46, 38, 0.85));
  color: var(--color-secondary);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}
.real-item__caption strong {
  display: block;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 1rem;
  margin-bottom: 4px;
  letter-spacing: 0.1em;
}

/* ---------- 報名頁樣式 ---------- */
.page-hero {
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 140px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../assets/hero.jpg') center/cover;
  background-image: image-set(
    url('../assets/hero-sm.webp') type('image/webp') 1x,
    url('../assets/hero.webp') type('image/webp') 2x,
    url('../assets/hero-sm.jpg') type('image/jpeg') 1x,
    url('../assets/hero.jpg') type('image/jpeg') 2x
  );
  background-position: center;
  background-size: cover;
  opacity: 0.15;
}
.page-hero__content { position: relative; z-index: 1; }
.page-hero--pottery::before {
  background: url('../assets/pottery-set.jpg') center/cover;
  background-image: image-set(
    url('../assets/pottery-set-sm.webp') type('image/webp') 1x,
    url('../assets/pottery-set.webp') type('image/webp') 2x,
    url('../assets/pottery-set-sm.jpg') type('image/jpeg') 1x,
    url('../assets/pottery-set.jpg') type('image/jpeg') 2x
  );
  background-position: center;
  background-size: cover;
}
.page-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}
.page-hero__subtitle {
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.signup-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
}
.signup-content h2 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.6rem;
  margin: 40px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}
.signup-content h2:first-child { margin-top: 0; }
.signup-content p { margin-bottom: 16px; color: var(--color-text-soft); }

.figure-text {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin: 36px 0 12px;
}
.figure-text img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.figure-text__body { padding: 32px 30px; }
.figure-text__body h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.figure-text__body p { color: var(--color-text-soft); margin-bottom: 0; }
.figure-text__body .figure-text__tag {
  display: inline-block;
  background: var(--color-secondary);
  color: var(--color-soft);
  border: 1px solid var(--color-line);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.pain-list, .benefit-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}
.pain-list li, .benefit-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 1rem;
}
.pain-list li {
  background: #FBF5F5;
  border-left: 4px solid #C04545;
}
.benefit-list li {
  background: #F5F8F5;
  border-left: 4px solid var(--color-primary);
}
.pain-list .icon, .benefit-list .icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.guarantee-box {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-secondary);
  padding: 32px;
  border-radius: var(--radius);
  text-align: center;
  margin: 32px 0;
  position: relative;
  overflow: hidden;
}
.guarantee-box::before {
  content: '✓';
  position: absolute;
  top: -30px; right: -20px;
  font-size: 10rem;
  color: rgba(201, 169, 97, 0.1);
  font-family: var(--font-heading);
}
.guarantee-box__tag {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  position: relative;
}
.guarantee-box h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin-bottom: 12px;
  position: relative;
}
.guarantee-box p {
  color: rgba(245, 240, 230, 0.9);
  position: relative;
  margin-bottom: 0;
}

.bonus-banner {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  padding: 20px 28px;
  border-radius: var(--radius);
  text-align: center;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 24px 0;
  letter-spacing: 0.08em;
}

/* 報名資訊卡 */
.signup-card {
  position: sticky;
  top: 100px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.signup-card__header {
  background: var(--color-primary);
  color: var(--color-secondary);
  padding: 24px;
  text-align: center;
}
.signup-card__title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  letter-spacing: 0.08em;
}
.signup-card__header p.signup-card__title {
  color: var(--color-secondary);
}
.signup-card__price {
  margin-top: 8px;
  color: var(--color-accent);
  font-size: 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
}
.signup-card__header p.signup-card__price {
  color: var(--color-accent);
}
.signup-card__price small {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  display: block;
  color: rgba(245, 240, 230, 0.7);
  margin-top: 4px;
}
.signup-card__body { padding: 24px; }
.signup-card__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 16px;
  margin-bottom: 24px;
  font-size: 0.95rem;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-line);
}
.signup-card__meta dt {
  color: var(--color-soft);
  font-weight: 600;
  white-space: nowrap;
}
.signup-card__meta dd { color: var(--color-text); }
.signup-card .btn { width: 100%; }

/* ---------- 動畫進場 ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 響應式 RWD ---------- */
@media (max-width: 980px) {
  .about__grid,
  .signup-content,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .course-card { grid-template-columns: 1fr; }
  .course-card__image { min-height: 0; width: 100%; }
  .course-card__image img { position: static; }
  .signup-card { position: static; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  /* 師資介紹：平板以下改單欄 */
  .teachers-couple__grid { grid-template-columns: 1fr; }
  .figure-text { grid-template-columns: 1fr; }
  .figure-text img { height: 220px; }
}

@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .container { padding: 0 20px; }

  /* 漢堡選單 */
  .navbar__menu {
    position: fixed;
    top: 70px; right: -100%;
    width: 80%; max-width: 320px;
    height: calc(100vh - 70px);
    background: var(--color-secondary);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    gap: 20px;
    box-shadow: var(--shadow-lg);
    transition: right 0.4s ease;
  }
  .navbar__menu.active { right: 0; }
  .navbar__menu a { font-size: 1.1rem; }
  .navbar__toggle { display: block; }

  .gallery__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }

  .sticky-cta, .sticky-cta--row { display: block; }
  /* 手機 floating 移到左下，避免和 sticky CTA 打架 */
  .floating { left: 16px; right: auto; bottom: 76px; }

  .charity, .guarantee-box { padding: 32px 24px; }

  .photo-banner { min-height: 420px; }
  .photo-banner__content { padding: 40px 24px; }

  /* 課程實況區：手機 2 欄 */
  .real-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 980px) {
  .real-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .gallery__grid { grid-template-columns: 1fr; }
  .navbar__logo-en { display: none; }
  .hero__actions .btn { width: 100%; }
}

/* 列印優化 */
@media print {
  .navbar, .floating, .sticky-cta, .hero__scroll { display: none; }
}