/* ======================================
   HKPM Guide — Editorial Museum Theme
   Palette: Deep Crimson + Imperial Gold
   Fonts: Noto Serif SC (display) + Noto Sans SC (body)
   ====================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700&family=Noto+Sans+SC:wght@300;400;500;600&display=swap');

:root {
  --color-primary: #1a0808;
  --color-primary-dark: #0d0404;
  --color-accent: #c9362b;
  --color-accent-light: #e05a4e;
  --color-gold: #b8860b;
  --color-gold-light: #d4a82a;
  --color-bg: #faf7f2;
  --color-bg-alt: #f0ebe0;
  --color-bg-dark: #1a0808;
  --color-text: #1a0808;
  --color-text-light: #5a4035;
  --color-text-muted: #8a7060;
  --color-border: #d8cec0;
  --color-white: #ffffff;
  --font-display: 'Noto Serif SC', 'Songti SC', serif;
  --font-body: 'Noto Sans SC', 'Heiti SC', sans-serif;
  --font-english-display: 'Noto Serif SC', serif;
  --font-english-body: 'Noto Sans SC', sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius: 4px;
  --shadow-sm: 0 1px 3px rgba(26, 8, 8, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 8, 8, 0.12);
  --shadow-lg: 0 8px 32px rgba(26, 8, 8, 0.16);
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--color-accent); color: var(--color-white); }

/* ======================================
   NAVIGATION
   ====================================== */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(26, 8, 8, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184, 134, 11, 0.2);
  padding: 0 var(--space-lg);
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
}

.nav-brand {
  display: flex; align-items: center; gap: 0.75rem;
}

.nav-brand-icon {
  width: 36px; height: 36px;
}

.nav-brand-text {
  display: flex; flex-direction: column; line-height: 1.1;
}

.nav-brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 700;
  color: var(--color-gold-light);
  letter-spacing: 0.02em;
}

.nav-brand-sub {
  font-size: 0.65rem; color: rgba(212, 168, 42, 0.6);
  letter-spacing: 0.08em; text-transform: uppercase;
}

.nav-links {
  display: flex; align-items: center; gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem; color: rgba(255,255,255,0.75);
  text-decoration: none; letter-spacing: 0.03em;
  transition: color var(--transition);
  padding: 4px 0; border-bottom: 1px solid transparent;
}

.nav-links a:hover { color: var(--color-gold-light); }

.nav-right { display: flex; align-items: center; gap: var(--space-sm); }

.lang-toggle {
  background: transparent; border: 1px solid rgba(184,134,11,0.4);
  color: var(--color-gold-light); font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  padding: 5px 12px; border-radius: 2px; cursor: pointer;
  transition: all var(--transition);
}

.lang-toggle:hover {
  background: rgba(184,134,11,0.15); border-color: var(--color-gold);
}

.nav-cta {
  background: var(--color-accent); color: white;
  font-family: var(--font-body); font-size: 0.8rem; font-weight: 600;
  padding: 8px 20px; border-radius: 2px; text-decoration: none;
  letter-spacing: 0.04em; transition: background var(--transition);
}

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

.mobile-menu-btn {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; flex-direction: column; gap: 5px;
}

.mobile-menu-btn span {
  display: block; width: 22px; height: 2px;
  background: var(--color-gold-light); transition: all var(--transition);
}

/* ======================================
   HERO
   ====================================== */

.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--color-primary-dark);
  position: relative; overflow: hidden;
  padding: 80px var(--space-lg) var(--space-xl);
}

.hero-bg-pattern {
  position: absolute; inset: 0; opacity: 0.04;
  background-image:
    repeating-linear-gradient(45deg, var(--color-gold) 0, var(--color-gold) 1px, transparent 0, transparent 50%),
    repeating-linear-gradient(-45deg, var(--color-gold) 0, var(--color-gold) 1px, transparent 0, transparent 50%);
  background-size: 40px 40px;
}

.hero-gradient {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(201,54,43,0.15) 0%, transparent 50%, rgba(184,134,11,0.08) 100%);
}

.hero-content { position: relative; z-index: 1; max-width: 760px; }

.hero-location {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(184,134,11,0.15); border: 1px solid rgba(184,134,11,0.3);
  color: var(--color-gold-light); font-size: 0.75rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; padding: 6px 14px;
  border-radius: 2px; margin-bottom: var(--space-md);
}

.hero-heading {
  font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700; color: var(--color-white);
  line-height: 1.15; margin-bottom: var(--space-md);
}

.hero-heading-accent {
  color: var(--color-gold-light); display: block;
}

.hero-subtitle {
  font-size: 1.05rem; color: rgba(255,255,255,0.65);
  line-height: 1.8; max-width: 560px; margin-bottom: var(--space-lg);
}

.hero-meta {
  display: flex; align-items: center; gap: var(--space-md);
  margin-bottom: var(--space-lg); flex-wrap: wrap;
}

.hero-meta-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.8rem; color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
}

.hero-meta-item::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--color-gold); display: block;
}

.hero-cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--color-accent); color: white;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  padding: 14px 32px; border-radius: 2px; text-decoration: none;
  letter-spacing: 0.04em; transition: all var(--transition);
  border: 2px solid transparent;
}

.hero-cta:hover { background: var(--color-accent-light); transform: translateY(-1px); }

.hero-cta svg { transition: transform var(--transition); }
.hero-cta:hover svg { transform: translateX(4px); }

.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.35); font-size: 0.65rem; letter-spacing: 0.12em;
  text-transform: uppercase; text-decoration: none;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ======================================
   STATS BAR
   ====================================== */

.stats-bar {
  background: var(--color-primary);
  padding: var(--space-lg) var(--space-lg);
  border-top: 1px solid rgba(184,134,11,0.15);
  border-bottom: 1px solid rgba(184,134,11,0.15);
}

.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  max-width: 900px; margin: 0 auto; gap: var(--space-md);
}

.stat-item { text-align: center; }

.stat-number {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 700;
  color: var(--color-gold-light); line-height: 1; margin-bottom: 6px;
}

.stat-label {
  font-size: 0.7rem; color: rgba(255,255,255,0.45);
  letter-spacing: 0.1em; text-transform: uppercase;
}

/* ======================================
   INTRODUCTION
   ====================================== */

.intro {
  padding: var(--space-2xl) var(--space-lg);
  max-width: 1100px; margin: 0 auto;
}

.intro-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl);
  align-items: center;
}

.intro-label {
  font-size: 0.7rem; font-weight: 600; color: var(--color-accent);
  letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: var(--space-sm);
}

.intro-heading {
  font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700; color: var(--color-primary); line-height: 1.2;
  margin-bottom: var(--space-md);
}

.intro-text { color: var(--color-text-light); line-height: 1.85; }

.intro-text p { margin-bottom: var(--space-sm); }

.intro-cta {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: var(--space-md);
  background: var(--color-primary); color: var(--color-gold-light);
  font-family: var(--font-body); font-size: 0.85rem; font-weight: 600;
  padding: 12px 24px; border-radius: 2px; text-decoration: none;
  letter-spacing: 0.04em; transition: all var(--transition);
  border: 2px solid var(--color-primary);
}

.intro-cta:hover { background: transparent; color: var(--color-primary); }

.intro-image-wrap {
  position: relative; border-radius: 4px; overflow: hidden;
}

.intro-image-wrap::before {
  content: '';
  position: absolute; inset: 0;
  border: 2px solid rgba(184,134,11,0.2);
  border-radius: 4px; z-index: 1; pointer-events: none;
}

.intro-img {
  width: 100%; height: 360px; object-fit: cover;
  display: block; transition: transform 0.6s ease;
}

.intro-image-wrap:hover .intro-img { transform: scale(1.03); }

/* ======================================
   ARTICLES
   ====================================== */

.articles-section {
  background: var(--color-bg-alt);
  padding: var(--space-2xl) var(--space-lg);
}

.section-container { max-width: 860px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: var(--space-xl); }

.section-label {
  font-size: 0.7rem; font-weight: 600; color: var(--color-accent);
  letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: var(--space-sm);
}

.section-heading {
  font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700; color: var(--color-primary); line-height: 1.2;
}

.article-card {
  background: var(--color-white); border-radius: 4px;
  overflow: hidden; margin-bottom: var(--space-lg);
  box-shadow: var(--shadow-sm); border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.article-card:hover { box-shadow: var(--shadow-md); }

.article-card-image {
  width: 100%; height: 260px; object-fit: cover; display: block;
}

.article-card-body { padding: var(--space-md); }

.article-card-meta {
  font-size: 0.72rem; color: var(--color-accent);
  letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 600; margin-bottom: 10px;
}

.article-card-title {
  font-family: var(--font-display); font-size: 1.25rem; font-weight: 700;
  color: var(--color-primary); line-height: 1.3; margin-bottom: 12px;
}

.article-card-excerpt {
  font-size: 0.9rem; color: var(--color-text-light); line-height: 1.75;
  margin-bottom: var(--space-md);
}

.article-expand {
  background: none; border: 1px solid var(--color-border);
  color: var(--color-text); font-family: var(--font-body);
  font-size: 0.8rem; font-weight: 600; padding: 8px 18px;
  border-radius: 2px; cursor: pointer; letter-spacing: 0.04em;
  transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px;
}

.article-expand:hover { background: var(--color-primary); color: var(--color-gold-light); border-color: var(--color-primary); }

.article-extra {
  max-height: 0; overflow: hidden; transition: max-height 0.5s ease, padding 0.3s ease;
  font-size: 0.9rem; color: var(--color-text-light); line-height: 1.8;
}

.article-extra.open { max-height: 800px; padding-top: var(--space-md); }

.article-extra p { margin-bottom: var(--space-sm); }

.article-extra strong { color: var(--color-text); display: block; margin-top: var(--space-sm); margin-bottom: 6px; font-size: 0.92rem; }

/* ======================================
   VISITOR TIPS
   ====================================== */

.tips-section {
  padding: var(--space-2xl) var(--space-lg);
  max-width: 1100px; margin: 0 auto;
}

.tips-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md); margin-top: var(--space-xl);
}

.tip-card {
  background: var(--color-white); border-radius: 4px;
  padding: var(--space-md); border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.tip-icon {
  width: 44px; height: 44px; background: rgba(201,54,43,0.08);
  border-radius: 4px; display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-sm);
}

.tip-title {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  color: var(--color-primary); margin-bottom: 8px;
}

.tip-desc { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.65; }

/* ======================================
   SEASONAL GUIDE
   ====================================== */

.seasonal-section {
  background: var(--color-primary);
  padding: var(--space-2xl) var(--space-lg);
}

.seasonal-section .section-heading { color: var(--color-white); }
.seasonal-section .section-label { color: var(--color-gold-light); }

.season-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md); margin-top: var(--space-xl);
}

.season-card {
  background: rgba(255,255,255,0.04); border-radius: 4px;
  overflow: hidden; border: 1px solid rgba(184,134,11,0.2);
  transition: border-color var(--transition);
}

.season-card:hover { border-color: rgba(184,134,11,0.5); }

.season-header {
  padding: var(--space-md); border-bottom: 1px solid rgba(184,134,11,0.15);
  display: flex; align-items: center; gap: 10px;
}

.season-icon { color: var(--color-gold-light); }

.season-name {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  color: var(--color-white);
}

.season-period {
  font-size: 0.72rem; color: rgba(255,255,255,0.45);
  letter-spacing: 0.06em; margin-top: 2px;
}

.season-body { padding: var(--space-md); }

.season-tips {
  font-size: 0.82rem; color: rgba(255,255,255,0.6); line-height: 1.7;
  list-style: none;
}

.season-tips li { margin-bottom: 8px; padding-left: 16px; position: relative; }

.season-tips li::before {
  content: '\2022'; color: var(--color-gold); position: absolute; left: 0;
}

/* ======================================
   NEWSLETTER
   ====================================== */

.newsletter-section {
  background: var(--color-bg-alt);
  padding: var(--space-2xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.newsletter-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-xl); max-width: 900px; margin: 0 auto;
  align-items: center;
}

.newsletter-heading {
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 700;
  color: var(--color-primary); line-height: 1.2; margin-bottom: var(--space-sm);
}

.newsletter-subtitle {
  font-size: 0.9rem; color: var(--color-text-light); line-height: 1.7;
}

.newsletter-form { display: flex; flex-direction: column; gap: 12px; }

.form-field {
  display: flex; flex-direction: column; gap: 5px;
}

.form-field label {
  font-size: 0.75rem; font-weight: 600; color: var(--color-text);
  letter-spacing: 0.05em; text-transform: uppercase;
}

.form-field input {
  background: var(--color-white); border: 1px solid var(--color-border);
  padding: 10px 14px; border-radius: 2px;
  font-family: var(--font-body); font-size: 0.9rem; color: var(--color-text);
  transition: border-color var(--transition);
  outline: none;
}

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

.form-checkbox {
  display: flex; align-items: flex-start; gap: 10px; font-size: 0.8rem;
  color: var(--color-text-light); cursor: pointer;
}

.form-checkbox input { margin-top: 3px; accent-color: var(--color-accent); }

.newsletter-btn {
  background: var(--color-accent); color: white;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  padding: 12px; border-radius: 2px; border: none; cursor: pointer;
  letter-spacing: 0.04em; transition: background var(--transition);
}

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

.newsletter-success {
  display: none; background: rgba(201,54,43,0.08); border: 1px solid rgba(201,54,43,0.2);
  padding: var(--space-md); border-radius: 4px; color: var(--color-accent);
  font-weight: 600; font-size: 0.9rem;
}

.newsletter-error {
  display: none; background: rgba(220,53,69,0.08); border: 1px solid rgba(220,53,69,0.2);
  padding: 10px; border-radius: 2px; color: #c9362b; font-size: 0.82rem;
}

/* ======================================
   FAQ
   ====================================== */

.faq-section {
  padding: var(--space-2xl) var(--space-lg);
  max-width: 760px; margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-md) 0; gap: var(--space-md);
  font-family: var(--font-display); font-size: 1rem; font-weight: 600;
  color: var(--color-primary); text-align: left;
  transition: color var(--transition);
}

.faq-question:hover { color: var(--color-accent); }

.faq-icon { transition: transform var(--transition); flex-shrink: 0; color: var(--color-accent); }
.faq-item.open .faq-icon { transform: rotate(180deg); }

.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease;
  font-size: 0.9rem; color: var(--color-text-light); line-height: 1.75;
}

.faq-answer.open { max-height: 400px; padding-bottom: var(--space-md); }

/* ======================================
   FOOTER
   ====================================== */

.footer {
  background: var(--color-primary-dark); color: rgba(255,255,255,0.6);
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
  border-top: 1px solid rgba(184,134,11,0.2);
}

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl); margin-bottom: var(--space-xl);
  max-width: 1100px; margin-left: auto; margin-right: auto;
}

.footer-brand-name {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  color: var(--color-gold-light); display: block; margin-bottom: 10px;
}

.footer-tagline { font-size: 0.85rem; line-height: 1.65; }

.footer-col-title {
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 700;
  color: var(--color-white); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: var(--space-sm);
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
  font-size: 0.82rem; color: rgba(255,255,255,0.5);
  text-decoration: none; transition: color var(--transition);
}

.footer-links a:hover { color: var(--color-gold-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-lg); max-width: 1100px; margin: 0 auto;
}

.footer-disclaimer {
  font-size: 0.75rem; color: rgba(255,255,255,0.3);
  line-height: 1.65; margin-bottom: var(--space-sm);
}

.footer-copy {
  font-size: 0.75rem; color: rgba(255,255,255,0.35);
}

/* ======================================
   ANIMATIONS
   ====================================== */

.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible { opacity: 1; transform: translateY(0); }

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* ======================================
   RESPONSIVE
   ====================================== */

@media (max-width: 900px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-grid { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: repeat(2, 1fr); }
  .season-grid { grid-template-columns: repeat(2, 1fr); }
  .newsletter-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .hero-heading { font-size: 2rem; }
  .tips-grid { grid-template-columns: 1fr; }
  .season-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav { padding: 0 var(--space-sm); }
}

/* ======================================
   LEGAL PAGES
   ====================================== */

.legal-page {
  max-width: 740px; margin: 0 auto;
  padding: calc(var(--space-xl) + 60px) var(--space-lg) var(--space-2xl);
}

.legal-heading {
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
  color: var(--color-primary); margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm); border-bottom: 2px solid var(--color-accent);
}

.legal-p {
  font-size: 0.92rem; color: var(--color-text-light); line-height: 1.85;
  margin-bottom: var(--space-md);
}

.legal-p strong { color: var(--color-text); display: block; margin-bottom: 6px; font-size: 0.95rem; }

.legal-list {
  margin: var(--space-md) 0; padding-left: var(--space-lg);
}

.legal-list li {
  font-size: 0.9rem; color: var(--color-text-light); line-height: 1.75;
  margin-bottom: 8px;
}

.legal-back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-accent); font-size: 0.85rem; font-weight: 600;
  text-decoration: none; margin-bottom: var(--space-lg);
  letter-spacing: 0.04em; transition: opacity var(--transition);
}

.legal-back:hover { opacity: 0.7; }
/* Contact email styling for legal pages */
.contact-email { color: var(--color-accent); font-weight: 500; }