/* Sương Mai Stay (homestay 4.3): a minimal mist-blue stay. Pale blue-grey and graphite, thin hairlines, light uppercase
   labels, a three-photo mosaic hero, a date strip that leads to booking, tall 4:5 room cards.
   Fonts: Josefin Sans (headings, labels) + Nunito (text). */
:root {
  --mist: #e8eef2;
  --mist-2: #d6e1e8;
  --paper: #f7fafb;
  --graphite: #263238;
  --steel: #4f7287;
  --muted: #607078;
  --line: #cdd9df;
  --k-font: 'Nunito', system-ui, sans-serif;
  --k-font-display: 'Josefin Sans', system-ui, sans-serif;
  --k-accent: #263238;
  --k-accent-ink: #ffffff;
  --k-ink: #263238;
  --k-paper: #ffffff;
  --k-muted: #607078;
  --k-line: #cdd9df;
  --k-radius: 4px;
}
body {
  background: var(--paper);
  color: var(--graphite);
  font:
    400 16px/1.7 'Nunito',
    system-ui,
    sans-serif;
}
a {
  color: inherit;
}
h1,
h2,
h3 {
  margin: 0;
  font-family: 'Josefin Sans', system-ui, sans-serif;
  font-weight: 300;
  letter-spacing: 0.01em;
}
p {
  margin: 0 0 12px;
}
.plain {
  margin: 0;
  padding: 0;
  list-style: none;
}
.k-icon {
  width: 18px;
  height: 18px;
}
.eyebrow {
  margin: 0 0 10px;
  font:
    600 12px/1.4 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--steel);
}
.h1 {
  font-size: 36px;
  line-height: 1.15;
}
.h1-page {
  font-size: 30px;
  overflow-wrap: anywhere;
}
.h2 {
  margin-bottom: 20px;
  font-size: 28px;
  line-height: 1.2;
}
.h3 {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 600;
}
.lead {
  font-size: 17px;
  color: var(--muted);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--graphite);
  border-radius: 2px;
  background: var(--graphite);
  color: #fff;
  font:
    600 13px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}
.btn-line {
  background: transparent;
  color: var(--graphite);
}
.btn-sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 12px;
}
.btn-block {
  width: 100%;
  margin-bottom: 8px;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.link {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}
.more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font:
    600 12px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--steel);
  white-space: nowrap;
}

/* Header */
.hdr {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: rgba(247, 250, 251, 0.96);
  border-bottom: 1px solid var(--line);
}
.logo {
  margin-right: auto;
  font:
    400 18px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}
.nav {
  display: none;
  gap: 14px;
}
.nav a {
  padding: 8px 0;
  font:
    600 12px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
}
.hdr-book {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--graphite);
  font:
    600 12px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}

/* Hero mosaic */
.hero {
  display: grid;
  gap: 22px;
  padding: 14px 16px 0;
}
.mosaic {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 6px;
  height: 380px;
}
.mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.m1 {
  grid-row: 1 / 3;
}
.hero-text .lead {
  margin: 14px 0 20px;
}
.strip {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--graphite);
  background: #fff;
  text-decoration: none;
}
.strip span {
  display: grid;
  flex: 1;
  min-width: 0;
}
.strip b {
  font:
    600 15px/1.3 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.04em;
}
.strip small {
  color: var(--muted);
}

.sec {
  padding: 56px 16px 0;
}
.page {
  padding-top: 28px;
}
.sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px 16px;
}

/* Tall cards */
.talls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}
.tall {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.tall-img img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.tall-cat {
  margin: 12px 0 2px;
  font:
    600 11px/1.4 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
}
.tall-name {
  font:
    400 22px/1.25 'Josefin Sans',
    sans-serif;
  overflow-wrap: anywhere;
}
.tall-name a {
  text-decoration: none;
}
.tall-short {
  margin: 6px 0 12px;
  font-size: 15px;
  color: var(--muted);
}
.tall-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.tall-price {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}
.tall-price b {
  font:
    600 20px/1 'Josefin Sans',
    sans-serif;
  color: var(--graphite);
}
.empty {
  padding: 20px;
  border: 1px dashed var(--line);
  color: var(--muted);
}

/* Quiet statement */
.quiet {
  display: grid;
  gap: 26px;
}
.quiet-text {
  font:
    300 22px/1.6 'Josefin Sans',
    sans-serif;
  color: var(--graphite);
}
.nums {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  border: 1px solid var(--line);
}
.nums div {
  padding: 18px 14px;
  border: 1px solid var(--line);
}
.nums dd {
  margin: 0;
  font:
    300 34px/1 'Josefin Sans',
    sans-serif;
  color: var(--steel);
}
.nums dt {
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

/* Steps */
.steps {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--graphite);
}
.steps li {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  column-gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.steps span {
  grid-row: 1 / 3;
  font:
    300 26px/1 'Josefin Sans',
    sans-serif;
  color: var(--steel);
}
.steps b {
  font:
    600 17px/1.3 'Josefin Sans',
    sans-serif;
}
.steps p {
  margin: 2px 0 0;
  font-size: 15px;
  color: var(--muted);
}

/* Strip pics */
.strip-pics {
  display: flex;
  gap: 6px;
  margin: 0 -16px;
  padding: 0 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: 16px;
  scrollbar-width: none;
}
.strip-pics img {
  flex: none;
  width: 200px;
  height: 200px;
  object-fit: cover;
  scroll-snap-align: start;
}

/* Says */
.says {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--graphite);
}
.say {
  margin: 0;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.say-stars {
  margin: 0 0 6px;
  color: var(--steel);
  letter-spacing: 0.14em;
}
.say blockquote {
  margin: 0 0 10px;
  font:
    300 19px/1.6 'Josefin Sans',
    sans-serif;
}
.say figcaption {
  font-size: 14px;
  color: var(--muted);
}
.say b {
  color: var(--graphite);
}

/* FAQ */
.faq {
  border-bottom: 1px solid var(--line);
}
.faqs {
  border-top: 1px solid var(--graphite);
}
.faq summary {
  padding: 16px 0;
  font:
    600 16px/1.4 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.02em;
  cursor: pointer;
}
.faq p {
  color: var(--muted);
}

/* Where */
.where {
  display: grid;
  gap: 20px;
}
.where-addr {
  font:
    300 22px/1.45 'Josefin Sans',
    sans-serif;
}
.map {
  min-height: 300px;
  overflow: hidden;
  border: 1px solid var(--line);
  filter: grayscale(0.5);
}

/* List */
.filters {
  display: grid;
  gap: 12px;
  margin: 18px 0 30px;
}
.search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  border: 1px solid var(--graphite);
  background: #fff;
}
.search input {
  flex: 1;
  min-width: 0;
  min-height: 48px;
  border: 0;
  background: none;
  font:
    400 16px/1 'Nunito',
    sans-serif;
  outline: none;
}
.selects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.select {
  min-width: 0;
  min-height: 44px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  font:
    600 13px/1 'Nunito',
    sans-serif;
  color: var(--graphite);
}
.pills {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}
.pills-list {
  display: contents;
}
.pill {
  flex: none;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  background: none;
  font:
    600 12px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  cursor: pointer;
}
.pill[aria-pressed='true'] {
  background: var(--graphite);
  border-color: var(--graphite);
  color: #fff;
}

/* Detail */
.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  font:
    600 12px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--steel);
}
.d-grid {
  display: grid;
  gap: 22px;
}
.d-pics {
  display: grid;
  gap: 6px;
}
.d-pics img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.d-price {
  margin: 12px 0;
  color: var(--muted);
}
.d-price b {
  font:
    300 34px/1 'Josefin Sans',
    sans-serif;
  color: var(--graphite);
}
.d-short {
  font-weight: 700;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.tags li {
  padding: 3px 10px;
  border: 1px solid var(--line);
  font:
    600 12px/1.5 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
}
.d-cols {
  display: grid;
  gap: 28px;
  margin-top: 34px;
}
.specs {
  margin: 0;
  border-top: 1px solid var(--graphite);
}
.specs div {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}
.specs dt {
  color: var(--muted);
}
.specs dd {
  margin: 0;
  font-weight: 700;
  overflow-wrap: anywhere;
}
.d-more {
  margin-top: 50px;
}

/* Order */
.narrow {
  max-width: 640px;
  margin: 0 auto;
}
.o-pick {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin: 20px 0;
  padding: 16px;
  border: 1px solid var(--graphite);
  background: var(--mist);
}
.o-pick > div {
  display: grid;
  min-width: 0;
}
.o-pick small {
  font:
    600 11px/1.4 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
}
.o-pick b {
  font:
    400 19px/1.35 'Josefin Sans',
    sans-serif;
  overflow-wrap: anywhere;
}
.o-pick b:empty::before {
  content: 'Chưa chọn';
  color: var(--muted);
}
.o-form {
  padding: 22px 18px;
  border: 1px solid var(--line);
  background: #fff;
}
.o-note {
  display: flex;
  gap: 8px;
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--muted);
}
.o-note .k-icon {
  flex: none;
  margin-top: 3px;
  color: var(--steel);
}

/* Footer */
.ftr {
  margin-top: 72px;
  padding: 36px 16px 12px;
  background: var(--graphite);
  color: #cbd6dc;
}
.ftr-brand {
  font:
    300 24px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #fff;
}
.ftr p,
.ftr li {
  margin: 0 0 6px;
}
.ftr p:not([class]),
.ftr li {
  font-size: 15px;
}

@media (min-width: 640px) {
  .nav {
    display: flex;
  }
  .talls {
    grid-template-columns: 1fr 1fr;
    gap: 36px 24px;
  }
  .says {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 32px;
  }
}
@media (min-width: 960px) {
  .hdr {
    padding: 16px max(40px, calc((100% - 1200px) / 2));
  }
  .logo {
    font-size: 24px;
  }
  .nav {
    gap: 32px;
  }
  .hdr-book {
    padding: 0 22px;
  }
  .h1 {
    font-size: 58px;
  }
  .h1-page {
    font-size: 40px;
  }
  .h2 {
    font-size: 38px;
  }
  .hero {
    max-width: 1200px;
    margin: 0 auto;
    grid-template-columns: 1.3fr 1fr;
    gap: 56px;
    align-items: center;
    padding: 32px 40px 0;
  }
  .mosaic {
    height: 560px;
  }
  .sec {
    max-width: 1200px;
    margin: 0 auto;
    padding: 96px 40px 0;
  }
  .page {
    padding-top: 40px;
  }
  .talls {
    grid-template-columns: repeat(3, 1fr);
    gap: 44px 28px;
  }
  .page-home .talls {
    grid-template-columns: repeat(4, 1fr);
    gap: 36px 22px;
  }
  .quiet {
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    align-items: center;
  }
  .steps {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 32px;
    border-top: 0;
  }
  .steps li {
    display: block;
    padding: 18px 0 0;
    border: 0;
    border-top: 1px solid var(--graphite);
  }
  .steps span {
    display: block;
    margin-bottom: 8px;
  }
  .strip-pics {
    margin: 0;
    padding: 0;
  }
  .strip-pics img {
    width: 260px;
    height: 260px;
  }
  .faqs {
    max-width: 860px;
  }
  .where {
    grid-template-columns: 1fr 1.4fr;
    gap: 56px;
    align-items: center;
  }
  .map {
    min-height: 380px;
  }
  .filters {
    grid-template-columns: minmax(0, 1fr) 400px;
    align-items: center;
  }
  .pills {
    grid-column: 1 / -1;
    grid-row: 2;
    flex-wrap: wrap;
  }
  .d-grid {
    grid-template-columns: 1.4fr 1fr;
    gap: 56px;
    align-items: start;
  }
  .d-info {
    position: sticky;
    top: 90px;
  }
  .d-cols {
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
  }
  .ftr {
    padding: 56px max(40px, calc((100% - 1200px) / 2)) 20px;
  }
}