/* ─────────────────────────────────────────────────────────────
   pages.css — kiểu dùng chung cho các trang phụ
   (Liên hệ · Chính sách bảo mật · Điều khoản sử dụng · Giới thiệu)
   Đồng bộ tông màu vàng-đỏ trên nền tối của trang chính.
   ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { min-height: 100%; }
body {
  font-family: 'Be Vietnam Pro', sans-serif;
  color: #d4b87a;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(180,100,20,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(140,30,10,0.15) 0%, transparent 50%),
    linear-gradient(180deg, #15080a 0%, #0c0500 100%);
  background-attachment: fixed;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}

.page-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.2rem 4rem;
}

/* ── Top nav ── */
.page-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.page-nav a.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}
.page-nav .brand-seal {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border: 2px solid #c8322a;
  background: linear-gradient(135deg, #8a1a10 0%, #c8322a 50%, #8a1a10 100%);
  font-family: 'Noto Serif SC', serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #f8e0a8;
  border-radius: 4px;
  box-shadow: 0 0 12px rgba(200,50,42,0.35);
}
.page-nav .brand-name {
  font-family: 'Noto Serif', serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: linear-gradient(180deg, #f8e0a8 0%, #c8922a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-nav .back-link {
  font-size: 0.78rem;
  color: #c8922a;
  text-decoration: none;
  letter-spacing: 0.06em;
  border: 1px solid rgba(200,146,42,0.35);
  padding: 7px 16px;
  border-radius: 2px;
  transition: all 0.2s;
  white-space: nowrap;
}
.page-nav .back-link:hover {
  color: #f5c842;
  border-color: rgba(245,200,66,0.6);
  box-shadow: 0 0 12px rgba(200,146,42,0.2);
}

/* ── Card ── */
.page-card {
  background: linear-gradient(180deg, rgba(40,18,6,0.9) 0%, rgba(22,10,2,0.92) 100%);
  border: 1px solid rgba(200,146,42,0.3);
  padding: 2.2rem 2rem;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(200,146,42,0.12);
}
.page-card::before {
  content: '';
  position: absolute; inset: 6px;
  border: 1px solid rgba(200,146,42,0.16);
  pointer-events: none;
}

/* ── Headings & text ── */
.page-title {
  font-family: 'Noto Serif', serif;
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-align: center;
  margin-bottom: 0.4rem;
  background: linear-gradient(180deg, #f8e0a8 0%, #c8922a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.page-han {
  text-align: center;
  font-family: 'Noto Serif SC', serif;
  color: #8a5a1a;
  letter-spacing: 0.3em;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  opacity: 0.8;
}
.page-updated {
  text-align: center;
  font-size: 0.72rem;
  color: #6a4820;
  font-style: italic;
  letter-spacing: 0.06em;
  margin-bottom: 1.8rem;
}
.page-ornament {
  display: flex; align-items: center; justify-content: center;
  gap: 0.8rem; margin: 0 0 2rem;
}
.page-ornament .line { height: 1px; width: 70px; background: linear-gradient(90deg, transparent, #c8922a 50%, transparent); }
.page-ornament .yin  { font-size: 1.1rem; color: #c8922a; }

.page-card h2 {
  font-family: 'Noto Serif', serif;
  color: #f5c842;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin: 2rem 0 0.8rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(200,146,42,0.18);
}
.page-card h2:first-of-type { border-top: none; padding-top: 0; margin-top: 0.5rem; }
.page-card h3 {
  font-family: 'Noto Serif', serif;
  color: #c8922a;
  font-size: 0.95rem;
  font-weight: 600;
  margin: 1.2rem 0 0.5rem;
}
.page-card p { font-size: 0.9rem; color: #d4b87a; margin-bottom: 0.9rem; text-align: justify; }
.page-card ul { list-style: none; margin: 0 0 1rem; padding: 0; }
.page-card li {
  font-size: 0.9rem;
  color: #d4b87a;
  position: relative;
  padding: 0.3rem 0 0.3rem 1.3rem;
}
.page-card li::before {
  content: '✦';
  position: absolute; left: 0; top: 0.35rem;
  color: #c8922a; font-size: 0.72rem;
}
.page-card a { color: #f5c842; text-decoration: none; border-bottom: 1px dotted rgba(245,200,66,0.5); }
.page-card a:hover { color: #ffd86a; }
.page-card strong { color: #f5c842; font-weight: 600; }

/* ── Contact rows ── */
.contact-grid { display: flex; flex-direction: column; gap: 0.7rem; margin: 1.2rem 0; }
.contact-row {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(8,3,0,0.5);
  border: 1px solid rgba(200,146,42,0.2);
  border-left: 2px solid rgba(200,146,42,0.5);
  border-radius: 2px;
  transition: all 0.2s;
}
.contact-row:hover { border-color: rgba(245,200,66,0.45); background: rgba(20,8,2,0.6); }
.contact-row .ic {
  font-size: 1.2rem;
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  background: rgba(200,146,42,0.1);
  border-radius: 50%;
}
.contact-row .meta { display: flex; flex-direction: column; min-width: 0; }
.contact-row .meta .k {
  font-size: 0.66rem; color: #8a6a3a;
  text-transform: uppercase; letter-spacing: 0.1em;
}
.contact-row .meta .v {
  font-size: 0.92rem; color: #f0d9a0;
  word-break: break-word;
}
.contact-row .meta .v a { border: none; }

.note-box {
  margin: 1.5rem 0 0;
  padding: 0.85rem 1rem;
  background: rgba(200,146,42,0.06);
  border-left: 2px solid rgba(200,146,42,0.4);
  border-radius: 2px;
  font-size: 0.8rem;
  color: #a98a55;
  font-style: italic;
  line-height: 1.7;
}

/* ── Footer ── */
.page-footer {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.72rem;
  color: #6a4820;
  letter-spacing: 0.1em;
}
.page-footer a { color: #8a6a3a; text-decoration: none; margin: 0 0.5rem; }
.page-footer a:hover { color: #c8922a; }

@media (max-width: 600px) {
  .page-wrap { padding: 1.6rem 0.7rem 3rem; }
  .page-card { padding: 1.4rem 1rem; }
  .page-nav .brand-name { font-size: 0.92rem; }
}

/* ── Bilingual toggle (static pages) ── */
html[lang="en"] [data-only="vi"] { display: none; }
html[lang="vi"] [data-only="en"] { display: none; }
.lang-switch { display: inline-flex; align-items: center; gap: 7px; }
.lang-ic { font-size: 0.95rem; opacity: 0.8; line-height: 1; }
.lang-seg {
  display: inline-flex;
  border: 1px solid rgba(200,146,42,0.45);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(8,3,0,0.55);
}
.lang-seg-btn {
  font-family: 'Be Vietnam Pro', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: #8a6a3a;
  background: transparent;
  border: none;
  padding: 5px 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.lang-seg-btn + .lang-seg-btn { border-left: 1px solid rgba(200,146,42,0.3); }
.lang-seg-btn:hover { color: #f5c842; }
.lang-seg-btn.active {
  color: #15080a;
  background: linear-gradient(180deg, #f5c842, #c8922a);
}