/* ==========================================================================
   首頁專屬樣式：Notice / Hero / Service Shortcuts / Popular Routes /
   Recommendations / FAQ / About / CTA
   ========================================================================== */

:root {
  --font-size-hero-title: clamp(34px, 4.5vw, 52px);
  --font-size-hero-section-title: 30px;
}

/* ------------------------- Notice（靜態／手動切換公告，無自動跑馬燈） ------------------------- */

.notice-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 4px 0;
  min-height: 44px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
}

.notice-bar .container {
  width: 100%;
}

.notice-bar .container {
  display: flex;
  align-items: center;
  gap: 14px;
}

.notice-nav-btn {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.notice-nav-btn svg {
  width: 14px;
  height: 14px;
}

.notice-nav-btn:hover {
  color: var(--color-primary);
}

.notice-viewport {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.notice-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  margin: 0;
  min-width: 0;
}

.notice-item span:last-child {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notice-tag {
  flex-shrink: 0;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  color: #fff;
  font-size: 11px;
  font-weight: 500;
}

.notice-tag--promo {
  background: var(--color-primary);
}

.notice-tag--info {
  background: var(--color-text);
}

.notice-index {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--color-text-muted);
  opacity: 0.7;
  white-space: nowrap;
}

/* ------------------------- Hero ------------------------- */

.hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.56) 0%, rgba(0, 0, 0, 0.38) 50%, rgba(0, 0, 0, 0.52) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 780px;
  padding: 48px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.hero-eyebrow {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.hero-title {
  margin: 0;
  max-width: 760px;
  font-size: var(--font-size-hero-title);
  line-height: 1.2;
  font-weight: 700;
  text-wrap: balance;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
}

.hero-description {
  margin: 0 0 10px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.hero-search {
  width: 100%;
  max-width: 680px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border-radius: var(--radius-md);
  padding: 8px 8px 8px 22px;
  min-height: 56px;
  box-shadow: var(--shadow-lg);
  transition: outline-color 0.15s ease;
  outline: 3px solid transparent;
  outline-offset: 4px;
}

.hero-search:focus-within {
  outline-color: rgba(255, 255, 255, 0.95);
}

.hero-search input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  font-family: inherit;
  color: var(--color-text);
  background: transparent;
}

.hero-search input::placeholder {
  color: rgba(26, 26, 26, 0.5);
}

.hero-search button {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}

.hero-search button:hover {
  background: var(--color-primary-dark);
}

.hero-search button img {
  width: 22px;
  height: 22px;
  filter: brightness(0) invert(1);
}

.hero-search-hint {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

/* ------------------------- Service Shortcuts（原 Hero 內的快速入口） ------------------------- */

.service-shortcuts {
  padding: 40px 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

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

.quick-link {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: var(--radius-md);
  padding: 20px 12px;
  min-height: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  box-shadow: none;
  color: var(--color-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.quick-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

@media (prefers-reduced-motion: reduce) {
  .quick-link:hover {
    transform: none;
  }
}

.quick-link img {
  width: 32px;
  height: 32px;
}

.quick-link strong {
  font-size: 16px;
  font-weight: 700;
}

.quick-link span {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* ------------------------- Section 共用標題 ------------------------- */

.section {
  padding: 72px 0;
}

.section-heading {
  margin: 0 0 32px;
}

.section-heading h2 {
  font-size: var(--font-size-hero-section-title);
  margin: 0 0 6px;
}

.section-heading p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ------------------------- Popular Routes（熱門路線） ------------------------- */

.route-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.route-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: none;
  color: var(--color-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.route-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

@media (prefers-reduced-motion: reduce) {
  .route-card:hover {
    transform: none;
  }
}

.route-card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

.route-card-cover .placeholder-cover {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--gradient-decorative);
  text-align: center;
  padding: 12px;
}

.route-card-cover .placeholder-cover::before {
  content: "";
  position: absolute;
  inset: -20%;
  background-image: radial-gradient(rgba(255, 255, 255, 0.35) 1.5px, transparent 1.5px);
  background-size: 18px 18px;
  opacity: 0.5;
}

.route-card-cover .placeholder-cover strong {
  position: relative;
  color: #fff;
  font-size: var(--font-size-body);
  font-weight: 700;
}

.route-card-cover .placeholder-cover span {
  position: relative;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-label);
}

.route-card-code {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--color-primary-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.route-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.route-card-body h3 {
  margin: 0;
  font-size: var(--font-size-card-title, 18px);
}

.route-card-name-en {
  margin: -6px 0 0;
  font-size: 12px;
  color: var(--color-text-muted);
}

.route-card-stops {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.route-card-stops svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.route-card-meta {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.route-card-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}

.route-card-status.is-normal {
  color: var(--color-success, #2f7a4d);
}

.route-card-status.is-suspended {
  color: var(--color-danger, #b3261e);
}

.route-card-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-primary);
}

.route-card-cta svg {
  width: 15px;
  height: 15px;
  transition: transform 0.15s ease;
}

.route-card:hover .route-card-cta svg {
  transform: translateX(3px);
}

@media (prefers-reduced-motion: reduce) {
  .route-card:hover .route-card-cta svg {
    transform: none;
  }
}

/* ------------------------- Recommendations（依旅遊主題探索） ------------------------- */

.rec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.rec-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: none;
  color: var(--color-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.rec-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
}

@media (prefers-reduced-motion: reduce) {
  .rec-card:hover {
    transform: none;
  }
}

.rec-card-photo {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.rec-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rec-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.rec-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.rec-tag img {
  width: 18px;
  height: 18px;
}

.rec-card-body h3 {
  font-size: 22px;
  margin: 0 0 8px;
}

.rec-count {
  margin: 0 0 18px;
  color: var(--color-text-muted);
  font-size: 14.5px;
}

.rec-card-cta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--color-primary);
}

.rec-card-cta svg {
  width: 15px;
  height: 15px;
  transition: transform 0.15s ease;
}

.rec-card:hover .rec-card-cta svg {
  transform: translateX(3px);
}

@media (prefers-reduced-motion: reduce) {
  .rec-card:hover .rec-card-cta svg {
    transform: none;
  }
}

/* ------------------------- FAQ ------------------------- */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: var(--radius-md);
  box-shadow: none;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
}

.faq-question svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  transition: transform 0.2s ease;
}

.faq-question[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
  .faq-question svg {
    transition: none;
  }
}

.faq-answer {
  display: none;
  padding: 0 22px 20px;
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq-answer.is-open {
  display: block;
}

.faq-more {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-more[hidden] {
  display: none;
}

.faq-toggle-more {
  align-self: center;
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: #fff;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--color-text);
}

.faq-toggle-more svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.faq-toggle-more[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

@media (prefers-reduced-motion: reduce) {
  .faq-toggle-more svg {
    transition: none;
  }
}

/* ------------------------- 作品集 Case Study ------------------------- */

.case-study-section {
  background: #fff;
}

.case-study-inner {
  max-width: 720px;
  margin: 0 auto;
}

.case-study-list {
  display: flex;
  flex-direction: column;
}

.case-study-block {
  padding: 22px 0;
  border-top: 1px solid #e5e5e5;
}

.case-study-block:first-child {
  border-top: none;
  padding-top: 0;
}

.case-study-block h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 8px;
}

.case-study-block p {
  margin: 0;
  font-size: 14.5px;
  color: var(--color-text);
  line-height: 1.8;
}

.case-study-flow,
.case-study-highlights {
  margin: 0;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--color-text);
}

/* ------------------------- CTA / Stats ------------------------- */

.cta {
  background: #262626;
  color: #fff;
  padding: 72px 0;
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 48px;
  justify-content: space-between;
}

.cta-copy {
  max-width: 480px;
}

.cta-copy h2 {
  font-size: var(--font-size-hero-section-title);
  margin: 0 0 16px;
}

.cta-copy p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 24px;
}

.cta-buttons {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-buttons .btn-primary {
  background: var(--color-primary);
  min-height: 44px;
}

.cta-buttons .btn-primary:hover {
  background: var(--color-primary-dark);
}

.cta-secondary-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cta-secondary-link svg {
  width: 15px;
  height: 15px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  flex: 1;
  min-width: 280px;
  max-width: 560px;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-card strong {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.stat-card span {
  font-size: 13px;
  color: var(--color-text-muted);
}

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

@media (max-width: 900px) {
  .service-shortcuts-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .route-grid,
  .rec-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .cta-buttons {
    justify-content: center;
  }

  .cta-copy {
    max-width: none;
  }

  .stat-grid {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: auto;
    padding: 64px 0 40px;
  }

  .hero-content {
    padding: 0 20px;
    gap: 12px;
  }

  .hero-title {
    font-size: clamp(28px, 8vw, 36px);
  }

  .hero-description {
    font-size: 14.5px;
  }

  .hero-search {
    padding: 6px 6px 6px 18px;
    min-height: 52px;
  }

  .hero-search input {
    font-size: 16px;
  }

  .service-shortcuts {
    padding: 28px 0;
  }

  .section {
    padding: 48px 0;
  }

  .section-heading h2,
  .cta-copy h2 {
    font-size: 24px;
  }

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

  .stat-card strong {
    font-size: 24px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
}

@media (max-width: 640px) {
  .faq-question {
    padding: 16px 18px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 18px 18px;
  }
}

@media (max-width: 380px) {
  .service-shortcuts-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .quick-link {
    padding: 16px 8px;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .notice-index {
    display: none;
  }

  .notice-bar .container {
    gap: 8px;
  }
}