/* Mực In Trường Phát — static site. Mobile-first, chi lien he (khong gio hang). */
:root {
  --brand: #bf360c;
  --brand-light: #ef6c00;
  --brand-soft: #fff3e0;
  --ink: #1f2328;
  --ink-soft: #52606d;
  --line: #e4e7eb;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --radius: 12px;
  --wrap: 1100px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding-bottom: 64px;
}
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
a { color: var(--brand); }
img { max-width: 100%; height: auto; border-radius: var(--radius); display: block; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; padding-bottom: 12px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 10px; background: var(--brand); color: #fff; font-weight: 800; display: grid; place-items: center; letter-spacing: .5px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text strong { font-size: 1.05rem; }
.logo-text small { color: var(--ink-soft); font-size: .78rem; }
.header-call { text-align: right; text-decoration: none; color: var(--brand); }
.header-call-label { display: block; font-size: .72rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em; }
.header-call-num { font-size: 1.2rem; font-weight: 800; }
.site-nav { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; padding-top: 6px; padding-bottom: 6px; }
.nav-inner > a, .nav-dd > summary { white-space: nowrap; padding: 9px 12px; border-radius: 8px; text-decoration: none; color: var(--ink); font-size: .93rem; font-weight: 600; cursor: pointer; list-style: none; }
.nav-inner > a:hover, .nav-dd > summary:hover { background: #fff; }
.nav-dd > summary::-webkit-details-marker { display: none; }
.nav-dd > summary::after { content: " ▾"; color: var(--brand); font-size: .8em; }
.nav-inner .nav-cta-link { background: var(--brand); color: #fff; margin-left: auto; }
.nav-inner .nav-cta-link:hover { background: var(--brand-light); color: #fff; }
.nav-dd { position: relative; }
.nav-panel { display: flex; flex-direction: column; }
.nav-panel a { padding: 9px 14px; text-decoration: none; color: var(--ink); font-size: .9rem; border-radius: 6px; }
.nav-panel a:hover { background: var(--brand-soft); color: var(--brand); }
@media (min-width: 820px) {
  .nav-dd[open] > summary { background: #fff; }
  .nav-panel {
    position: absolute; top: 100%; left: 0; z-index: 40; min-width: 240px;
    background: #fff; border: 1px solid var(--line); border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,.12); padding: 6px; margin-top: 4px;
  }
}
@media (max-width: 819px) {
  .nav-panel { background: #fff; border-radius: 8px; margin: 2px 0 6px; padding: 4px; border: 1px solid var(--line); width: 100%; }
  .nav-dd { width: 100%; }
  .nav-dd > summary { display: block; }
  .nav-inner .nav-cta-link { margin-left: 0; width: 100%; text-align: center; }
}

/* noi dung */
main { padding: 24px 0 40px; }
main h1 { font-size: 1.7rem; line-height: 1.3; margin: 0 0 16px; }
main h2 { font-size: 1.3rem; margin: 32px 0 12px; padding-top: 8px; border-top: 2px solid var(--brand-soft); }
main h3 { font-size: 1.08rem; margin: 22px 0 8px; }
main p { margin: 0 0 14px; }
main ul, main ol { margin: 0 0 16px; padding-left: 22px; }
main li { margin-bottom: 6px; }
blockquote { margin: 16px 0; padding: 12px 16px; background: var(--bg-soft); border-left: 4px solid var(--brand-light); border-radius: 0 8px 8px 0; color: var(--ink-soft); }
.table-wrap { overflow-x: auto; margin: 0 0 18px; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; vertical-align: top; }
th { background: var(--bg-soft); }
figure { margin: 0 0 18px; }

/* hero trang chu */
.hero { background: linear-gradient(135deg, var(--brand-soft), #ffe0b2); border-radius: 16px; padding: 28px 20px; margin-bottom: 8px; }
.hero h1 { margin-bottom: 10px; }
.hero p { font-size: 1.03rem; color: #6d3200; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.btn { display: inline-block; padding: 12px 20px; border-radius: 10px; font-weight: 700; text-decoration: none; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-ghost { background: #fff; color: var(--brand); border: 2px solid var(--brand); }

/* danh sach quan */
.district-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; margin: 16px 0 24px; padding: 0; list-style: none; }
.district-grid a { display: block; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; color: var(--ink); font-weight: 600; background: #fff; }
.district-grid a:hover { border-color: var(--brand-light); background: var(--brand-soft); }

/* footer */
.site-footer { background: #1f2328; color: #d7dce1; margin-top: 40px; padding: 32px 0 16px; }
.site-footer h3 { color: #fff; font-size: 1rem; margin: 0 0 10px; }
.site-footer a { color: #ffb74d; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.footer-links { list-style: none; margin: 0; padding: 0; columns: 2; }
.footer-links li { margin-bottom: 6px; break-inside: avoid; }
.footer-nap { font-size: .92rem; line-height: 1.9; }
.footer-bottom { border-top: 1px solid #343a41; margin-top: 24px; padding-top: 14px; font-size: .85rem; color: #9aa3ad; }

/* nut goi dinh duoi mobile */
.sticky-call {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  background: var(--brand); color: #fff; text-align: center; text-decoration: none;
  padding: 14px 12px; font-weight: 700; font-size: .98rem;
  box-shadow: 0 -2px 12px rgba(0,0,0,.18);
}
@media (min-width: 900px) {
  main h1 { font-size: 2.1rem; }
  .hero { padding: 40px 32px; }
  .sticky-call { left: auto; right: 24px; bottom: 24px; border-radius: 999px; padding: 14px 24px; }
  body { padding-bottom: 0; }
}

/* CTA box cuoi bai blog + muc luc kien thuc */
.cta-box { margin: 28px 0 8px; padding: 16px 18px; background: var(--brand-soft); border-left: 5px solid var(--brand-light); border-radius: 0 12px 12px 0; }
.cta-box p { margin: 0 0 6px; }
.cta-nums { font-size: 1.25rem; font-weight: 800; }
.cta-nums a { text-decoration: none; }
.post-list { list-style: none; padding: 0; }
.post-list li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.post-list a { text-decoration: none; font-weight: 600; }
.post-list a:hover { text-decoration: underline; }