/* Địa Ốc Ba Gian (bat-dong-san 4.0): a street-corner property office laid out like a classifieds board. Cream paper,
   brick-red signboard, kraft section bands, ledger tables, prices in a red rubber stamp, an appointment slip.
   Fonts: Montserrat (heavy capitals) + Be Vietnam Pro (text). */
:root {
  --paper: #f6efe0;
  --kraft: #e6d2a6;
  --brick: #a8321f;
  --brick-deep: #7d2414;
  --ink: #2b2118;
  --muted: #6b5d4c;
  --rule: #cdbb98;
  --k-font: 'Be Vietnam Pro', system-ui, sans-serif;
  --k-font-display: 'Montserrat', system-ui, sans-serif;
  --k-accent: #a8321f;
  --k-accent-ink: #ffffff;
  --k-ink: #2b2118;
  --k-paper: #fffaf0;
  --k-muted: #6b5d4c;
  --k-line: #cdbb98;
  --k-radius: 2px;
}
body {
  background: var(--paper);
  color: var(--ink);
  font:
    400 16px/1.6 'Be Vietnam Pro',
    system-ui,
    sans-serif;
}
a {
  color: inherit;
}
h1,
h2,
h3 {
  margin: 0;
  font-family: 'Montserrat', system-ui, sans-serif;
}
p {
  margin: 0 0 12px;
}
.plain {
  margin: 0;
  padding: 0;
  list-style: none;
}
.k-icon {
  width: 18px;
  height: 18px;
}
.tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  background: var(--ink);
  color: var(--paper);
  font:
    700 12px/1.3 'Montserrat',
    sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.h1 {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.02;
  text-transform: uppercase;
  color: var(--brick);
}
.h1-page {
  font-size: 26px;
  line-height: 1.2;
  text-transform: none;
  overflow-wrap: anywhere;
}
.h2 {
  position: relative;
  margin: 0 0 18px;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
}
.h2::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  border-top: 3px double var(--ink);
}
.h2 span {
  position: relative;
  padding: 0 12px;
  background: var(--paper);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 20px;
  border: 2px solid var(--brick);
  border-radius: 2px;
  background: var(--brick);
  color: #fff;
  font:
    800 14px/1 'Montserrat',
    sans-serif;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}
.btn-line {
  background: transparent;
  color: var(--brick);
}
.btn-sm {
  min-height: 40px;
  padding: 0 14px;
  font-size: 13px;
}
.btn-block {
  width: 100%;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.center {
  margin-top: 18px;
  text-align: center;
}
.link {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

/* Signboard */
.sign {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--brick);
  color: #fff;
  border-bottom: 4px solid var(--brick-deep);
}
.sign-in {
  flex: 1;
  min-width: 0;
}
.sign-name {
  display: block;
  font:
    900 24px/1.05 'Montserrat',
    sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.sign-sub {
  margin: 4px 0 0;
  font:
    600 11px/1.3 'Montserrat',
    sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #f6d9cf;
}
.sign-call {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  min-height: 44px;
  padding: 0 12px;
  border: 2px solid #fff;
  border-radius: 2px;
  background: none;
  color: #fff;
  font:
    800 13px/1 'Montserrat',
    sans-serif;
  cursor: pointer;
}
.sign-call span {
  display: none;
}
.bar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: center;
  gap: 4px;
  padding: 0 8px;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
}
.bar a {
  padding: 13px 10px;
  font:
    800 13px/1 'Montserrat',
    sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
}

/* Board hero */
.board {
  display: grid;
  gap: 22px;
  padding: 28px 16px 0;
}
.board-lead {
  margin: 14px 0 20px;
  font-size: 17px;
  color: var(--muted);
}
.board-photo {
  position: relative;
  margin: 0;
  padding: 8px;
  background: #fffaf0;
  border: 1px solid var(--rule);
}
.board-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: sepia(0.15);
}
.seal {
  position: absolute;
  right: 14px;
  bottom: -18px;
  display: grid;
  place-items: center;
  width: 108px;
  height: 108px;
  border: 3px double var(--brick);
  border-radius: 50%;
  background: var(--paper);
  color: var(--brick);
  font:
    700 12px/1.25 'Montserrat',
    sans-serif;
  text-align: center;
  text-transform: uppercase;
  transform: rotate(-10deg);
}
.seal b {
  font-size: 14px;
  font-weight: 900;
}

.sec {
  padding: 48px 16px 0;
}
.page {
  padding-top: 26px;
}
.intro {
  color: var(--muted);
}

/* Classified ads */
.ads {
  display: grid;
  border-top: 2px solid var(--ink);
}
.ad {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 10px 14px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--rule);
}
.ad-img img {
  display: block;
  width: 110px;
  height: 82px;
  object-fit: cover;
  border: 1px solid var(--rule);
}
.ad-text {
  min-width: 0;
}
.ad-name {
  font:
    800 16px/1.3 'Montserrat',
    sans-serif;
  overflow-wrap: anywhere;
}
.ad-name a {
  text-decoration: none;
}
.ad-short {
  display: none;
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--muted);
}
.ad-foot {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.stamp {
  display: inline-block;
  padding: 4px 10px;
  border: 2px solid var(--brick);
  outline: 1px solid var(--brick);
  outline-offset: 2px;
  color: var(--brick);
  font:
    900 19px/1.1 'Montserrat',
    sans-serif;
  transform: rotate(-2deg);
}
.stamp-lg {
  margin-left: 6px;
  font-size: 26px;
}

/* Ledger */
.ledger {
  width: 100%;
  border-collapse: collapse;
  background: #fffaf0;
  border: 2px solid var(--ink);
}
.ledger th,
.ledger td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}
.ledger thead th {
  background: var(--kraft);
  font:
    800 13px/1.2 'Montserrat',
    sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.ledger td:last-child {
  text-align: right;
  font-weight: 700;
}
.ledger thead th:last-child {
  text-align: right;
}
.ledger td a {
  font-weight: 700;
  text-decoration: none;
}
.specs th {
  width: 42%;
  font:
    700 14px/1.4 'Be Vietnam Pro',
    sans-serif;
  color: var(--muted);
}
.specs td:last-child {
  text-align: left;
  font-weight: 600;
  overflow-wrap: anywhere;
}
.specs tr:nth-child(even) {
  background: rgba(230, 210, 166, 0.3);
}

/* Why */
.why p {
  color: var(--muted);
}
.checks {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}
.checks li {
  display: flex;
  gap: 10px;
  font-weight: 600;
}
.checks .k-icon {
  flex: none;
  margin-top: 3px;
  color: var(--brick);
}

/* Reviews */
.notes {
  display: grid;
  gap: 14px;
}
.note {
  margin: 0;
  padding: 18px;
  background: #fffaf0;
  border-left: 5px solid var(--brick);
}
.note blockquote {
  margin: 0 0 10px;
  font-size: 16px;
}
.note figcaption {
  font-size: 14px;
  color: var(--muted);
}

/* FAQ */
.faq {
  border-bottom: 1px dashed var(--rule);
}
.faq summary {
  padding: 14px 0;
  font-weight: 700;
  cursor: pointer;
}
.faq p {
  color: var(--muted);
}

/* Office */
.office-grid {
  display: grid;
  gap: 14px;
}
.office-card {
  padding: 18px;
  background: #fffaf0;
  border: 2px solid var(--ink);
}
.office-addr {
  display: flex;
  gap: 10px;
  font-weight: 700;
}
.office-addr .k-icon {
  flex: none;
  margin-top: 3px;
  color: var(--brick);
}
.office-hours {
  margin-bottom: 16px;
}
.office-hours li {
  display: grid;
  gap: 2px;
  padding: 8px 0;
  border-top: 1px dashed var(--rule);
  font-size: 15px;
}
.map {
  min-height: 260px;
  overflow: hidden;
  border: 2px solid var(--ink);
  filter: sepia(0.3);
}

/* Grouped list */
.groups {
  display: grid;
  gap: 30px;
  margin-top: 10px;
}
.group-h {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  background: var(--kraft);
  font-size: 17px;
  font-weight: 900;
  text-transform: uppercase;
}
.group-h small {
  font:
    600 13px/1 'Be Vietnam Pro',
    sans-serif;
  text-transform: none;
  color: var(--muted);
}
.group .ads {
  border-top: 0;
}

/* Detail */
.back {
  display: inline-block;
  margin-bottom: 14px;
  font-weight: 700;
  color: var(--brick);
  text-decoration: none;
}
.d-grid {
  display: grid;
  gap: 20px;
  margin: 18px 0 40px;
}
.d-photo {
  margin: 0;
  padding: 8px;
  background: #fffaf0;
  border: 1px solid var(--rule);
}
.d-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}
.d-price {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--muted);
}
.d-short {
  font-weight: 700;
}
.d-actions {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}
.d-more {
  margin-top: 40px;
}

/* Appointment slip */
.slip {
  max-width: 600px;
  margin: 0 auto;
  padding: 22px 18px;
  background: #fffaf0;
  border: 2px solid var(--ink);
  box-shadow: 6px 6px 0 var(--kraft);
}
.slip-head {
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 3px double var(--ink);
  font:
    900 17px/1.3 'Montserrat',
    sans-serif;
  text-transform: uppercase;
  text-align: center;
  color: var(--brick);
}
.slip-item {
  padding: 6px 0;
  border-bottom: 1px dashed var(--rule);
  overflow-wrap: anywhere;
}
.slip-item b:empty::before {
  content: 'chọn trong phiếu bên dưới';
  font-weight: 400;
  color: var(--muted);
}
.slip form {
  margin-top: 18px;
}
.slip-note {
  margin: 16px 0 0;
  font-size: 14px;
  color: var(--muted);
}

/* Footer */
.foot {
  margin-top: 60px;
  padding: 28px 16px 10px;
  background: var(--ink);
  color: #e9dfcb;
}
.foot-name {
  font:
    900 22px/1 'Montserrat',
    sans-serif;
  text-transform: uppercase;
  color: #fff;
}
.foot p,
.foot li {
  margin: 0 0 6px;
}
.foot p:not([class]),
.foot li {
  font-size: 15px;
}

@media (min-width: 640px) {
  .ad {
    grid-template-columns: 160px minmax(0, 1fr) auto;
    align-items: center;
  }
  .ad-img img {
    width: 160px;
    height: 120px;
  }
  .ad-short {
    display: block;
  }
  .ad-foot {
    grid-column: auto;
    flex-direction: column;
    align-items: flex-end;
  }
  .sign-call span {
    display: inline;
  }
}
@media (min-width: 900px) {
  .sign {
    padding: 22px max(32px, calc((100% - 1100px) / 2));
  }
  .sign-name {
    font-size: 40px;
  }
  .sign-sub {
    font-size: 13px;
  }
  .bar {
    gap: 32px;
  }
  .h1 {
    font-size: 68px;
  }
  .h1-page {
    font-size: 34px;
  }
  .h2 {
    font-size: 22px;
  }
  .board {
    max-width: 1100px;
    margin: 0 auto;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
    padding: 56px 32px 0;
  }
  .sec {
    max-width: 1100px;
    margin: 0 auto;
    padding: 72px 32px 0;
  }
  .page {
    padding-top: 36px;
  }
  .notes {
    grid-template-columns: 1fr 1fr;
  }
  .faqs {
    max-width: 800px;
    margin: 0 auto;
  }
  .office-grid {
    grid-template-columns: 1fr 1.4fr;
  }
  .map {
    min-height: 340px;
  }
  .d-grid {
    grid-template-columns: 1.2fr 1fr;
    gap: 36px;
    align-items: start;
  }
  .foot-in {
    max-width: 1100px;
    margin: 0 auto;
  }
}