/* ============================================================================
   Trang trong (sản phẩm / tin tức / tuyển dụng / chính sách)
   Dùng lại đúng token & ngôn ngữ thiết kế của site.css — không đổi giao diện.
   ========================================================================== */

/* ── Đầu trang ─────────────────────────────────────────────────────────── */
.page-head {
  padding: 44px 0 34px;
  background: radial-gradient(ellipse 60% 60% at 80% 0%, rgba(51, 70, 221, .05), transparent), var(--paper);
  border-bottom: 1px solid var(--line);
}
.page-head h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.06;
  letter-spacing: -.03em;
  font-weight: 700;
  margin: 8px 0 0;
}
.page-head h1 span { color: var(--blue) }
.page-head .lede { font-size: 15.5px; color: var(--ink-3); margin: 12px 0 0; max-width: 62ch; line-height: 1.6 }

/* ── Breadcrumb ────────────────────────────────────────────────────────── */
.crumb { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; font-size: 12.5px; color: var(--mute) }
.crumb a { color: var(--mute) }
.crumb a:hover { color: var(--blue) }
.crumb span { color: var(--mute-2) }

/* ── Bố cục 2 cột (nội dung + cột phải) ────────────────────────────────── */
.wrap-2col { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 44px; padding: 56px 0 72px; align-items: start }
.side { position: sticky; top: 84px; display: flex; flex-direction: column; gap: 16px }
.side-box { background: var(--paper-2); border: 1px solid var(--line); border-radius: 14px; padding: 20px }
.side-box h4 { margin: 0 0 12px; font-size: 13px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--mute) }
.side-box ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px }
.side-box a { font-size: 13.5px; font-weight: 500; color: var(--ink-3); line-height: 1.45 }
.side-box a:hover { color: var(--blue) }
.side-cta { background: linear-gradient(135deg, var(--blue-deep), var(--blue)); color: #fff; border: 0 }
.side-cta h4 { color: #fff; opacity: .8 }
.side-cta p { font-size: 13px; color: #CFD3E8; margin: 0 0 14px; line-height: 1.55 }
.side-cta .btn { width: 100%; justify-content: center }

/* ── Nội dung bài viết ─────────────────────────────────────────────────── */
.prose { font-size: 15.5px; line-height: 1.75; color: var(--ink-3); max-width: 74ch }
.prose > :first-child { margin-top: 0 }
.prose p { margin: 0 0 16px }
.prose h3 { font-size: 20px; font-weight: 700; letter-spacing: -.02em; color: var(--ink); margin: 30px 0 12px }
.prose h4 { font-size: 16.5px; font-weight: 700; letter-spacing: -.015em; color: var(--ink); margin: 24px 0 10px }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 20px }
.prose li { margin-bottom: 7px }
.prose strong { color: var(--ink); font-weight: 600 }
.prose img { max-width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); margin: 8px 0 18px }
.prose a { color: var(--blue); font-weight: 500; text-decoration: underline; text-underline-offset: 2px }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 14px }
.prose th, .prose td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; vertical-align: top }
.prose th { background: var(--paper-2); font-weight: 600; color: var(--ink) }
.prose-figure { margin: 0 0 22px }
.prose-figure img { margin: 0 }

/* ── Lưới thẻ danh sách ────────────────────────────────────────────────── */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px }
.card-grid.two { grid-template-columns: repeat(2, 1fr) }
.listcard {
  display: flex; flex-direction: column; gap: 9px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 18px; transition: all .2s;
}
.listcard:hover { border-color: var(--blue); box-shadow: 0 18px 36px -18px rgba(51, 70, 221, .2); transform: translateY(-2px) }
.listcard .thumb {
  border-radius: 10px; overflow: hidden; background: linear-gradient(135deg, var(--paper-3), var(--blue-soft));
  aspect-ratio: 16 / 10; display: grid; place-items: center;
}
.listcard .thumb img { width: 100%; height: 100%; object-fit: cover; display: block }
.listcard .meta { font-family: "JetBrains Mono", monospace; font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--mute) }
.listcard h3 { margin: 0; font-size: 16.5px; font-weight: 700; letter-spacing: -.015em; line-height: 1.25 }
.listcard p { margin: 0; font-size: 13px; color: var(--mute); line-height: 1.55; flex: 1 }
.listcard .more { font-size: 13px; font-weight: 600; color: var(--blue) }

/* ── Trang chi tiết sản phẩm ───────────────────────────────────────────── */
.pd-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; padding: 40px 0 8px }
.pd-gallery { background: linear-gradient(160deg, #1A2240 0%, #3346DD 100%); border-radius: 16px; padding: 28px; display: grid; place-items: center; min-height: 300px }
.pd-gallery img { max-width: 100%; border-radius: 10px; display: block }
.pd-thumbs { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap }
.pd-thumbs img { width: 68px; height: 52px; object-fit: cover; border-radius: 7px; border: 1px solid var(--line); cursor: pointer; background: #fff }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 8px }
.spec-table td { border-bottom: 1px solid var(--line); padding: 11px 0 }
.spec-table td:first-child {
  color: var(--mute); width: 42%; font-family: "JetBrains Mono", monospace;
  font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
}
.spec-table td:last-child { font-weight: 600; color: var(--ink) }

/* ── Trạng thái rỗng ───────────────────────────────────────────────────── */
.empty { text-align: center; padding: 56px 20px; color: var(--mute); background: var(--paper-2); border: 1px dashed var(--line-2); border-radius: 14px }
.empty b { display: block; font-size: 17px; color: var(--ink); margin-bottom: 6px; letter-spacing: -.015em }

/* ── Trang lỗi ─────────────────────────────────────────────────────────── */
.errpage { text-align: center; padding: 90px 20px 100px }
.errpage .code { font-family: "JetBrains Mono", monospace; font-size: 56px; font-weight: 500; color: var(--blue); letter-spacing: -.02em }
.errpage h1 { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin: 10px 0 8px }
.errpage p { color: var(--mute); margin: 0 0 22px }

@media (max-width: 1000px) {
  .wrap-2col { grid-template-columns: 1fr; gap: 32px }
  .side { position: static }
  .pd-hero { grid-template-columns: 1fr; gap: 26px }
  .card-grid { grid-template-columns: repeat(2, 1fr) }
}
@media (max-width: 680px) {
  .card-grid, .card-grid.two { grid-template-columns: 1fr }
  .wrap-2col { padding: 34px 0 48px }
}