/* HVSC – mega menu header chung v2 (12/10/2026). Đi kèm mu-plugins/zz-hv-mega-nav.php + assets/js/hv-mega-nav.js.
   Chỉ desktop (main-nav hiện ≥1100px). Không đụng header theo mảng (.hvx) và drawer mobile. */

/* ---- Mục chính: tên = link, chevron = nút mở panel ---- */
.site-header .hvm-item { position: relative; display: flex; align-items: center; }
.site-header .hvm-item > .hvm-link { padding-right: 6px; }
.site-header .hvm-tg { display: inline-grid; place-items: center; width: 24px; height: 32px; margin: 0 2px 0 -4px; padding: 0; border: 0; border-radius: 8px; background: transparent; color: inherit; cursor: pointer; opacity: .72; transition: opacity .15s, background-color .15s; }
.site-header .hvm-tg:hover, .site-header .hvm-item.is-open > .hvm-tg { opacity: 1; background: var(--veil, rgba(18,19,22,.06)); }
.site-header .hvm-chev { width: 7px; height: 7px; border-right: 1.7px solid currentColor; border-bottom: 1.7px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform .2s var(--ease-out, ease); }
.site-header .hvm-item.is-open .hvm-chev { transform: translateY(1px) rotate(225deg); }
.site-header .hvm-item:hover > .hvm-link, .site-header .hvm-item.is-open > .hvm-link { background: var(--veil, rgba(18,19,22,.06)); }
.site-header .main-nav__item.hvm-item.is-open > .main-nav__link::before { transform: scaleX(1); }
.site-header .hvm-link:focus-visible, .site-header .hvm-tg:focus-visible, .mega.hvm a:focus-visible { outline: 2px solid var(--accent-ink, var(--brand-600, #B4141A)); outline-offset: 2px; }
/* vùng cầu nối: từ mục cha xuống panel không rơi khỏi vùng rê */
.site-header .hvm-item.is-open::after { content: ""; position: absolute; left: -10px; right: -10px; top: 100%; height: 26px; }

/* ---- Panel: căn theo mục cha, rộng theo nội dung ---- */
.site-header .mega.hvm { left: var(--hvm-x, 16px); right: auto; width: max-content; max-width: calc(100vw - 32px); border: 1px solid var(--line); border-top: 0; border-radius: 0 0 18px 18px; overflow: hidden; animation: hvmIn .16s var(--ease-out, ease); }
.site-header .mega.hvm::before { height: 3px; }
@keyframes hvmIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .site-header .mega.hvm { animation: none; } .site-header .hvm-chev { transition: none; } }
.mega.hvm .hvm__in { display: flex; align-items: stretch; gap: 20px; padding: 16px 18px 18px; }
.mega.hvm .hvm__cols { display: grid; grid-template-columns: repeat(var(--n, 1), minmax(200px, 236px)); gap: 6px 14px; align-content: start; }
.mega.hvm .hvm__grp { grid-column: span var(--s, 1); min-width: 0; }
.mega.hvm .hvm__gt { margin: 0 0 4px; padding: 4px 10px 7px; border-bottom: 1px solid var(--line); font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.mega.hvm .mega__links { display: grid; grid-template-columns: 1fr; gap: 1px; }
.mega.hvm .hvm__grp--2 .mega__links { grid-template-columns: 1fr 1fr; grid-auto-flow: column; grid-template-rows: repeat(var(--r, 4), auto); column-gap: 14px; }
.mega.hvm .mega__links a { padding: 8px 10px; gap: 10px; border-radius: 10px; }
.mega.hvm .mega__links a:hover, .mega.hvm .mega__links a:focus-visible { background: var(--bg-soft); }
.mega.hvm .mega__links a[aria-current="page"] b { color: var(--accent-ink, var(--brand-600)); }
.mega.hvm .mega__links .ph:first-child { font-size: 19px; margin-top: 1px; }
.mega.hvm .mega__links b { font-size: 14.5px; line-height: 1.3; }
.mega.hvm .mega__links small { font-size: 12.5px; line-height: 1.35; }

/* ---- Cột phụ (bên phải): giới thiệu, SĐT, CTA, ảnh ---- */
.mega.hvm .hvm__aside { flex: none; width: 236px; display: flex; flex-direction: column; gap: 6px; padding: 14px; border-radius: 14px; background: var(--bg-soft); border: 1px solid var(--line); }
.mega.hvm .hvm__aside .mega__kicker { font-size: 12px; margin: 0; }
.mega.hvm .hvm__title { margin: 0; font-size: 15px; font-weight: 800; line-height: 1.3; letter-spacing: -.01em; color: var(--ink); }
.mega.hvm .hvm__text { margin: 0; font-size: 12.5px; line-height: 1.45; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.mega.hvm .hvm__tel { margin: 2px 0 0; font-size: 14px; color: var(--muted); }
.mega.hvm .hvm__tel a { color: var(--ink); font-weight: 700; display: inline-flex; align-items: center; gap: 5px; }
.mega.hvm .hvm__btn { align-self: flex-start; margin-top: 4px; }
.mega.hvm .hvm__feat { min-height: 0; height: 92px; margin-top: 6px; border-radius: 10px; flex: none; }
.mega.hvm .hvm__feat .mega__feature-cap { left: 6px; right: 6px; bottom: 6px; padding: 6px 9px; border-radius: 8px; font-size: 12.5px; line-height: 1.3; }
.mega.hvm .hvm__feat .mega__feature-art { font-size: 40px; }

/* khổ 1100–1399: cột hẹp hơn để panel gần mục cha */
@media (max-width: 1399px) {
  .mega.hvm .hvm__cols { grid-template-columns: repeat(var(--n, 1), minmax(184px, 212px)); column-gap: 10px; }
  .mega.hvm .hvm__aside { width: 212px; }
  .mega.hvm .hvm__in { gap: 14px; padding-inline: 14px; }
}
/* Tối: nút CTA viền + chữ sáng, không nền màu đặc */
html[data-theme="dark"] .mega.hvm .hvm__btn { background: transparent; color: var(--ink); border: 1.5px solid var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
html[data-theme="dark"] .mega.hvm .hvm__btn:hover { background: color-mix(in srgb, var(--accent) 16%, transparent); }
/* Chế độ đọc: header tối giản, không panel */
html.hv-reader .site-header .mega.hvm { display: none !important; }

/* Header chung 1100–1399px: thanh menu + cụm nút phải vừa khung (trước đây tràn ngang tới 144px) */
@media (min-width: 1100px) and (max-width: 1399px) {
  .site-header:not(.hvx) .site-header__bar { gap: 12px; }
  .site-header:not(.hvx) .main-nav { margin-left: 0; }
  .site-header:not(.hvx) .main-nav__list { gap: 0; }
  .site-header:not(.hvx) .main-nav__list > .main-nav__item > .main-nav__link { padding: 0 8px; font-size: 14px; gap: 6px; }
  .site-header:not(.hvx) .main-nav__list > .hvm-item > .hvm-link { padding-right: 3px; }
  .site-header:not(.hvx) .hvm-tg { width: 20px; margin: 0 1px 0 -2px; }
}
@media (min-width: 1100px) and (max-width: 1239px) {
  .site-header:not(.hvx) .main-nav__list .main-nav__dot { display: none; }
}