/* =========================================================
   Trang pháp lý / hỗ trợ (privacy, support)
   Dùng chung main.css. Thêm class "page-light" vào <body>.
   ========================================================= */
body.page-light .site-header { background: rgba(243, 243, 241, 0.92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: var(--ink); box-shadow: 0 1px 0 var(--line); }
body.page-light.menu-open .site-header { background: transparent; color: #fff; box-shadow: none; }

.narrow { max-width: 880px; }

.legal-hero { padding: calc(var(--header-h) + clamp(48px, 8vw, 110px)) 0 clamp(28px, 4vw, 48px); }
.legal-hero h1 { font-size: clamp(44px, 8vw, 104px); color: var(--ink); margin: 12px 0 20px; }
.legal-hero .lede { max-width: 620px; color: #555; font-size: clamp(15px, 1.4vw, 18px); }
.legal-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 22px; font-size: 13px; color: #777; }
.legal-meta b { color: var(--ink); font-weight: 800; }

.legal-switch { display: flex; gap: 8px; margin-top: 30px; flex-wrap: wrap; }
.legal-switch a {
  padding: 10px 18px; border-radius: 999px; font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
  box-shadow: inset 0 0 0 2px var(--line); transition: 0.25s var(--ease);
}
.legal-switch a:hover { box-shadow: inset 0 0 0 2px var(--ink); }
.legal-switch a.is-active { background: var(--ink); color: #fff; box-shadow: none; }

.legal-body { padding: 0 0 clamp(80px, 10vw, 140px); }
.toc { background: var(--card); border-radius: 20px; padding: 24px 28px; margin-bottom: 44px; }
.toc p { font-size: 12px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.toc ol { margin: 0; padding: 0; list-style: none; columns: 2; column-gap: 32px; counter-reset: toc; }
.toc li { break-inside: avoid; counter-increment: toc; padding: 5px 0; font-size: 14.5px; }
.toc li::before { content: counter(toc, decimal-leading-zero) " "; color: var(--accent); font-weight: 800; font-size: 12px; margin-right: 6px; }
.toc a:hover { color: var(--accent); }
@media (max-width: 640px) { .toc ol { columns: 1; } }

/* long-form text */
.prose { font-size: 16px; line-height: 1.75; color: #3a3d40; }
.prose > * + * { margin-top: 16px; }
.prose h2 { margin-top: 56px; padding-top: 28px; border-top: 2px solid var(--ink); font-size: clamp(24px, 3vw, 34px); font-weight: 900; text-transform: uppercase; letter-spacing: -0.01em; line-height: 1.1; color: var(--ink); scroll-margin-top: calc(var(--header-h) + 16px); }
.prose h3 { margin-top: 34px; font-size: 18px; font-weight: 800; color: var(--ink); scroll-margin-top: calc(var(--header-h) + 16px); }
.prose strong { color: var(--ink); }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { text-decoration-thickness: 2px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--accent); font-weight: 800; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.88em; background: rgba(0,0,0,0.06); padding: 2px 6px; border-radius: 6px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--card); border-radius: 14px; overflow: hidden; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font-size: 12px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: #777; background: #f6f6f3; }
.prose tr:last-child td { border-bottom: 0; }
.contact-box { background: var(--dark); color: #d6d6d6; border-radius: 22px; padding: clamp(24px, 4vw, 40px); margin-top: 24px; }
.contact-box p { color: #d6d6d6; }
.contact-box strong { color: #fff; }
.contact-box ul { list-style: none; padding: 0; margin: 18px 0 0; }
.contact-box li { padding: 10px 0; border-bottom: 1px solid #2f2f2f; display: flex; gap: 16px; flex-wrap: wrap; }
.contact-box li:last-child { border-bottom: 0; }
.contact-box li strong { flex: 0 0 120px; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: #8d8d8d; }
.contact-box a { color: #fff; text-decoration: underline; text-decoration-color: var(--accent); }

/* support page */
.help-card { background: var(--dark); color: #fff; border-radius: 28px; padding: clamp(26px, 4vw, 48px); display: grid; gap: 14px; }
.help-card h2 { all: unset; display: block; font-size: clamp(24px, 3vw, 36px); font-weight: 900; text-transform: uppercase; line-height: 1.05; }
.help-card p { color: #b9b9b9; max-width: 560px; }
.help-card .btn { width: fit-content; margin-top: 6px; text-transform: none; letter-spacing: 0; font-size: 15px; }
.help-meta { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; font-size: 14px; color: #a5a5a5; }
.help-meta b { color: #fff; font-weight: 700; margin-right: 6px; }
.help-meta code { background: rgba(255,255,255,0.1); color: #fff; }
.faq { margin-top: 12px; border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 44px 22px 0; font-size: clamp(17px, 1.7vw, 20px); font-weight: 800; color: var(--ink); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 28px; font-weight: 400; color: var(--accent); transition: transform 0.35s var(--ease); }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq summary:hover { color: var(--accent); }
.faq .answer { padding: 0 0 24px; color: #4a4d50; max-width: 720px; }
.faq .answer > * + * { margin-top: 12px; }
.faq .answer a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.faq-title { margin: 56px 0 6px; font-size: clamp(24px, 3vw, 34px); font-weight: 900; text-transform: uppercase; color: var(--ink); }

.legal-footer { background: var(--dark); color: #8f8f8f; padding: 56px 0 36px; font-size: 13px; }
.legal-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; }
.legal-footer .logo { color: #fff; font-size: 18px; margin-bottom: 14px; }
.legal-footer p { line-height: 1.9; }
.legal-footer nav { display: flex; gap: 8px 22px; flex-wrap: wrap; align-items: flex-end; }
.legal-footer a:hover { color: var(--accent); }