/* MidEastBridge — 共用樣式 */
body {
  font-family: 'Inter', 'Noto Sans TC', system-ui, sans-serif;
  color: #0F172A;
}
h1, h2, .serif {
  font-family: 'Noto Serif TC', 'Inter', serif;
}
.accent { color: #1E40AF; }
.bg-accent { background-color: #1E40AF; }
.bg-accent-hover:hover { background-color: #1E3A8A; }
.border-accent { border-color: #1E40AF; }
.gold { color: #B45309; }
.bg-gold { background-color: #F59E0B; }

.card-shadow {
  box-shadow: 0 1px 3px rgba(15,23,42,0.04), 0 4px 24px rgba(15,23,42,0.06);
  transition: all 0.2s ease;
}
.card-shadow:hover {
  box-shadow: 0 4px 12px rgba(15,23,42,0.08), 0 8px 40px rgba(30,64,175,0.12);
  transform: translateY(-2px);
}

/* Active nav state */
.nav-active {
  color: #0F172A !important;
  font-weight: 700;
}
.nav-active::after {
  content: '';
  display: block;
  height: 2px;
  background-color: #1E40AF;
  margin-top: 4px;
  border-radius: 2px;
}

/* FAQ details */
details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details[open] .chevron { transform: rotate(180deg); }
.chevron { transition: transform 0.2s; }

/* Page hero gradient */
.page-hero {
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  border-bottom: 1px solid #F1F5F9;
}

/* Stat numbers */
.stat-number {
  font-family: 'Noto Serif TC', serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}


/* === MB responsive header (design-lab integration) === */
html[data-lang="zh-Hans"] body { font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif; }
/* Notch / safe-area: dark notice bar fills the inset; content sits below the notch */
.mb-notice {
  padding-top: calc(0.5rem + env(safe-area-inset-top, 0px));
  padding-bottom: 0.5rem;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

/* Language dropdown (3 languages) */
.mb-lang { position: relative; }
.mb-lang-trigger {
  display: inline-flex; align-items: center; gap: 6px;
  height: 44px; padding: 0 11px; border-radius: 9999px;
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 2px rgba(15,23,42,.05), inset 0 1px 0 rgba(255,255,255,.9);
  color: #334155; font-size: 13px; font-weight: 600; letter-spacing: .02em; line-height: 1;
  cursor: pointer; transition: border-color .2s ease;
}
.mb-lang-trigger:hover { border-color: #cbd5e1; }
.mb-lang-globe { width: 16px; height: 16px; color: #1E40AF; flex: none; }
.mb-lang-current { min-width: 22px; text-align: center; }
.mb-lang-chev { width: 12px; height: 12px; color: #94a3b8; flex: none; transition: transform .25s ease; }
.mb-lang.is-open .mb-lang-chev { transform: rotate(180deg); }
.mb-lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  min-width: 192px; padding: 6px;
  background: #fff; border: 1px solid #e2e8f0; border-radius: 14px;
  box-shadow: 0 20px 48px -16px rgba(15,23,42,.34);
  transform: translateY(-6px) scale(.98); transform-origin: top right;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: transform .22s cubic-bezier(.22,1,.36,1), opacity .18s ease, visibility 0s linear .22s;
  z-index: 60;
}
.mb-lang.is-open .mb-lang-menu {
  transform: translateY(0) scale(1); opacity: 1; visibility: visible; pointer-events: auto;
  transition: transform .24s cubic-bezier(.22,1,.36,1), opacity .18s ease, visibility 0s;
}
.mb-lang-opt {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  width: 100%; min-height: 44px; padding: 0 12px; border-radius: 9px;
  font-size: 14.5px; color: #334155; text-decoration: none;
  background: transparent; border: 0; text-align: left; cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.mb-lang-opt:hover { background: #f1f5f9; }
.mb-lang-opt[aria-checked="true"] { color: #1E40AF; font-weight: 600; background: #eff4ff; }
.mb-lang-opt.is-soon { color: #94a3b8; cursor: default; }
.mb-lang-opt.is-soon:hover { background: transparent; }
.mb-lang-check { width: 16px; height: 16px; color: #1E40AF; flex: none; opacity: 0; transition: opacity .15s ease; }
.mb-lang-opt[aria-checked="true"] .mb-lang-check { opacity: 1; }
.mb-soon { font-size: 11px; font-weight: 600; color: #94a3b8; background: #f1f5f9; padding: 2px 7px; border-radius: 9999px; flex: none; }

/* Hamburger (mobile only) */
.mb-burger { display: grid; place-items: center; height: 44px; width: 44px; margin-right: -6px; border-radius: 12px; color: #0F172A; background: transparent; border: 0; cursor: pointer; transition: background .2s ease; }
.mb-burger:hover { background: #f1f5f9; }
.mb-ham { display: block; }
.mb-ham-line { display: block; height: 1.7px; width: 20px; background: #0F172A; border-radius: 2px; transition: transform .3s cubic-bezier(.22,1,.36,1), opacity .2s ease; }
.mb-ham-line + .mb-ham-line { margin-top: 5px; }
html.mb-open .mb-ham-line:nth-child(1) { transform: translateY(6.7px) rotate(45deg); }
html.mb-open .mb-ham-line:nth-child(2) { opacity: 0; transform: scaleX(.4); }
html.mb-open .mb-ham-line:nth-child(3) { transform: translateY(-6.7px) rotate(-45deg); }

/* Mobile sheet (slides down from the bar) */
.mb-sheet {
  transform-origin: top center; transform: translateY(-8px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: transform .34s cubic-bezier(.22,1,.36,1), opacity .26s ease, visibility 0s linear .34s;
}
html.mb-open .mb-sheet {
  transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto;
  transition: transform .34s cubic-bezier(.22,1,.36,1), opacity .22s ease, visibility 0s;
}
.mb-sheet-link .mb-arrow { transition: transform .25s ease, color .25s ease; }
.mb-sheet-link:hover .mb-arrow, .mb-sheet-link:focus-visible .mb-arrow { transform: translateX(3px); color: #1E40AF; }

/* Scrim */
.mb-scrim {
  opacity: 0; visibility: hidden; pointer-events: none;
  background: rgba(15,23,42,.35); border: 0; cursor: pointer;
  transition: opacity .3s ease, visibility 0s linear .3s;
}
html.mb-open .mb-scrim { opacity: 1; visibility: visible; pointer-events: auto; transition: opacity .3s ease, visibility 0s; }

/* Focus visibility */
.mb-lang-trigger:focus-visible, .mb-lang-opt:focus-visible, .mb-burger:focus-visible, .mb-sheet a:focus-visible {
  outline: 2px solid #1E40AF; outline-offset: 3px; border-radius: 8px;
}

@media (prefers-reduced-motion: reduce) {
  .mb-lang-chev, .mb-lang-menu, .mb-ham-line, .mb-sheet, .mb-scrim { transition: none !important; }
}