/*
Theme Name: JXTJ Clone (Jinxiu Tianfu)
Theme URI: https://www.jinxiutianfu.com/en/
Description: 高仿 jinxiutianfu.com 英文站的自研经典主题。金 + 米白配色，Georgia 衬线标题，图文交替版块，行程手风琴，图集分组，出发地落地页。
Author: WorkBuddy
Version: 1.0.0
Requires at least: 6.5
Tested up to: 7.0.4
Requires PHP: 8.1
Text Domain: jxtf
*/

/* ============================================================
   1. Design Tokens
   ============================================================ */
:root {
  --gold: #c5a059;
  --gold-light: #e6c77f;
  --gold-pale: #f0d9a0;
  --bronze: #8f7341;
  --ink: #1f1d19;
  --gray: #4a4a4a;
  --navy: #1e3a5f;
  --cream: #f9f8f4;
  --cream-2: #fbfaf6;
  --beige: #f2ede2;
  --line: rgba(197, 160, 89, 0.28);
  --serif: Georgia, "Times New Roman", "Noto Serif SC", "Noto Serif TC", "Songti SC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans SC", "Noto Sans TC", "PingFang SC", "PingFang TC", "Microsoft YaHei", "Microsoft JhengHei", "Segoe UI", sans-serif;
  --container: 72rem;
  --container-narrow: 56rem;
}

/* ============================================================
   2. Reset & Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bronze); text-decoration: none; }
a:hover { color: var(--gold); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.2; color: var(--ink); }

/* Traditional Chinese pages: prefer TC font variants to avoid SC glyph forms. */
body.lang-zh-hant { --serif: Georgia, "Times New Roman", "Noto Serif TC", "Songti TC", "PMingLiU", "Noto Serif SC", serif; --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif; }
p { margin: 0 0 1em; }
.screen-reader-text {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px); white-space: nowrap;
}

/* Utility */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.75rem; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 1.75rem; }
.kicker {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1rem;
}
.section { padding: 4.5rem 0; }
.section-alt { background: var(--cream-2); }
.section-beige { background: var(--beige); }
.text-center { text-align: center; }

.display-1 { font-size: clamp(2.15rem, 6vw, 4.45rem); line-height: 1.1; letter-spacing: 0.04em; margin: 0; }
.display-2 { font-size: clamp(1.72rem, 4.5vw, 3.1rem); line-height: 1.16; margin: 0 0 1.25rem; }
.lead { font-size: 1.08rem; color: var(--gray); max-width: 46rem; margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.85rem 2.1rem;
  border: 1px solid var(--gold);
  border-radius: 2px;
  color: var(--ink);
  background: transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn:hover { background: var(--gold); color: #fff; }
.btn-solid { background: var(--gold); color: #fff; }
.btn-solid:hover { background: var(--bronze); border-color: var(--bronze); color: #fff; }
.btn-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }

/* ============================================================
   3. Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 248, 244, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.9rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.site-branding { line-height: 1.2; }
.site-title {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin: 0;
}
.site-title a { color: var(--ink); }
.site-tagline {
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  margin: 0;
}
.main-navigation ul {
  display: flex;
  align-items: center;
  gap: 1.9rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-navigation a {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.main-navigation a:hover,
.main-navigation .current-menu-item > a {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.main-navigation .menu-item-cta a {
  border: 1px solid var(--gold);
  padding: 0.5rem 1.3rem;
  border-radius: 2px;
  color: var(--bronze);
}
.main-navigation .menu-item-cta a:hover { background: var(--gold); color: #fff; }

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  flex: none;
}
.lang-switcher .lang-opt {
  display: inline-block;
  padding: 0.32rem 0.7rem;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--bronze);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.lang-switcher .lang-opt + .lang-opt { border-left: 1px solid var(--line); }
.lang-switcher a.lang-opt:hover { background: rgba(197, 160, 89, 0.14); color: var(--gold); }
.lang-switcher .lang-opt.active { background: var(--gold); color: #fff; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   4. Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(160deg, var(--beige) 0%, var(--gold-pale) 55%, var(--gold-light) 100%);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(31, 29, 25, 0.28);
}
.hero.has-image { background-blend-mode: normal; }
.hero-inner { position: relative; z-index: 1; padding: 6rem 1.75rem; color: #fff; }
.hero .kicker { color: var(--gold-pale); }
.hero .display-1 { color: #fff; text-shadow: 0 2px 26px rgba(0, 0, 0, 0.35); }
.hero .display-1 span { display: block; }
.hero-sub {
  margin-top: 1.4rem;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.92);
}

/* ============================================================
   5. Tabs (2026 / 2027)
   ============================================================ */
.tab-switch { display: inline-flex; border: 1px solid var(--gold); border-radius: 2px; overflow: hidden; margin: 1.75rem 0 0; }
.tab-switch button {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.7rem 1.8rem;
  background: transparent;
  border: 0;
  color: var(--bronze);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.tab-switch button.active { background: var(--gold); color: #fff; }
.tab-panel { display: none; margin-top: 2rem; }
.tab-panel.active { display: block; }

/* ============================================================
   6. Itinerary Accordion
   ============================================================ */
.itinerary-group { margin-bottom: 3rem; }
.itinerary-group-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}
.itinerary-group-title { font-size: 1.6rem; margin: 0.35rem 0 1.4rem; }
.day-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin-bottom: 0.9rem;
  overflow: hidden;
}
.day-card summary {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  padding: 1.15rem 1.5rem;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s;
}
.day-card summary::-webkit-details-marker { display: none; }
.day-card summary:hover { background: var(--cream-2); }
.day-card .day-num {
  font-family: var(--serif);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold);
  white-space: nowrap;
  min-width: 4.5rem;
}
.day-card .day-title { font-family: var(--serif); font-size: 1.12rem; font-weight: 600; flex: 1; }
.day-card .day-route { font-size: 0.82rem; color: var(--bronze); white-space: nowrap; }
.day-card .day-body { padding: 0 1.5rem 1.3rem 7rem; color: var(--gray); }
.day-card .day-body .day-stay {
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--line);
  font-size: 0.85rem;
  color: var(--bronze);
}
.day-card .day-body .day-stay strong { letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.72rem; color: var(--gold); margin-right: 0.5rem; }
.day-card[open] { border-color: var(--gold); }

/* ============================================================
   7. Card Grids
   ============================================================ */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; margin-top: 2.5rem; }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(143, 115, 65, 0.14); }
.card-media { aspect-ratio: 4 / 3; background: linear-gradient(150deg, var(--beige), var(--gold-light)); overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 1.5rem 1.6rem 1.7rem; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 1.2rem; margin: 0 0 0.6rem; }
.card-body p { font-size: 0.92rem; color: var(--gray); flex: 1; }
.card-link {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 0.6rem;
}
.card-link::after { content: " →"; }

/* ============================================================
   8. Image-Text Sections (Train / About / Media)
   ============================================================ */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.split + .split { margin-top: 5rem; }
.split.reverse .split-media { order: 2; }
.split-media { border-radius: 4px; overflow: hidden; background: linear-gradient(150deg, var(--beige), var(--gold-light)); aspect-ratio: 4 / 3; }
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.split-content h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0.5rem 0 1rem; }
.split-content p { color: var(--gray); }

/* ============================================================
   9. Gallery
   ============================================================ */
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.gallery-item { border-radius: 4px; overflow: hidden; aspect-ratio: 4 / 3; background: linear-gradient(150deg, var(--beige), var(--gold-light)); cursor: zoom-in; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(31, 29, 25, 0.92);
  display: none; align-items: center; justify-content: center;
  padding: 3rem;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; border-radius: 4px; }
.lightbox-close {
  position: absolute; top: 1.4rem; right: 1.8rem;
  background: none; border: 0; color: #fff; font-size: 2rem; cursor: pointer;
}

/* ============================================================
   10. FAQ
   ============================================================ */
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  padding: 1.3rem 0.4rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; color: var(--gold); font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item .faq-a { padding: 0 2.5rem 1.4rem 0.4rem; color: var(--gray); }

/* ============================================================
   11. Contact CTA & Forms
   ============================================================ */
.contact-cta { background: var(--beige); border-top: 1px solid var(--line); }
.contact-card {
  max-width: 46rem;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2.5rem 2.8rem;
}
.contact-list { list-style: none; margin: 1.5rem 0 0; padding: 0; }
.contact-list li { padding: 0.55rem 0; border-bottom: 1px dashed var(--line); display: flex; gap: 0.8rem; }
.contact-list .label {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold); min-width: 9rem; padding-top: 0.15rem;
}

/* ============================================================
   12. Footer
   ============================================================ */
.site-footer { background: var(--beige); border-top: 1px solid var(--line); margin-top: 0; }
.footer-widgets {
  max-width: var(--container);
  margin: 0 auto;
  padding: 3.5rem 1.75rem 2.5rem;
  display: grid;
  grid-template-columns: 1.4fr 1.2fr 0.8fr 1.2fr;
  gap: 2.5rem;
}
.footer-col h4 {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze);
  margin: 0 0 1.1rem;
}
.footer-col p, .footer-col li { font-size: 0.88rem; color: var(--gray); }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-brand-name { font-family: var(--serif); font-size: 1.25rem; font-weight: 700; color: var(--ink); margin: 0 0 0.8rem; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 1.3rem 1.75rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--bronze);
}

/* ============================================================
   13. Article (single pages / guides)
   ============================================================ */
.article-header { padding: 4.5rem 0 2.5rem; text-align: center; }
.article-body { max-width: 46rem; margin: 0 auto; padding-bottom: 4rem; font-size: 1.02rem; }
.article-body h2 { font-size: 1.65rem; margin: 2.4rem 0 1rem; }
.article-body h3 { font-size: 1.25rem; margin: 2rem 0 0.8rem; }
.article-body ul, .article-body ol { color: var(--gray); }
.article-body blockquote {
  border-left: 3px solid var(--gold);
  margin: 1.8rem 0;
  padding: 0.4rem 0 0.4rem 1.4rem;
  font-family: var(--serif);
  font-style: italic;
  color: var(--bronze);
}
.price-band {
  background: #fff;
  border: 1px solid var(--gold);
  border-radius: 4px;
  padding: 1.6rem 2rem;
  text-align: center;
  margin: 2rem auto;
  max-width: 34rem;
}
.price-band .price { font-family: var(--serif); font-size: 1.9rem; color: var(--bronze); }
.price-band .note { font-size: 0.8rem; color: var(--gray); letter-spacing: 0.08em; text-transform: uppercase; }

/* ============================================================
   14. Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .footer-widgets { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .card-grid, .card-grid.cols-2, .card-grid.cols-4 { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 1.8rem; }
  .split.reverse .split-media { order: 0; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 3rem 0; }

  .site-header-inner { gap: 0.8rem; }
  .lang-switcher .lang-opt { padding: 0.3rem 0.55rem; font-size: 0.7rem; }
  .nav-toggle { display: block; }
  .main-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-open .main-navigation { display: block; }
  .main-navigation ul { flex-direction: column; align-items: stretch; gap: 0; padding: 0.6rem 1.75rem 1.2rem; }
  .main-navigation li { border-top: 1px solid var(--line); }
  .main-navigation a { display: block; padding: 0.85rem 0; }
  .main-navigation .menu-item-cta a { display: inline-block; margin: 0.6rem 0; }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .day-card .day-route { display: none; }
  .day-card .day-body { padding-left: 1.5rem; }
  .contact-card { padding: 1.8rem 1.4rem; }
  .footer-widgets { grid-template-columns: 1fr; gap: 1.8rem; padding: 2.5rem 1.75rem 2rem; }
}