/* Ô Vuông Design (noi-that-xay-dung 4.0): a blueprint. Navy drawing paper with a fine grid, white line work, a title
   block for the header, projects as numbered drawing sheets, dimension callouts, a specification table of unit prices.
   Fonts: Josefin Sans (titles, labels) + Be Vietnam Pro (text). */
:root {
  --navy: #163a66;
  --navy-deep: #102c4f;
  --line: rgba(255, 255, 255, 0.55);
  --line-soft: rgba(255, 255, 255, 0.16);
  --paper: #fbfcfe;
  --ink: #163a66;
  --pencil: #ffd25e;
  --k-font: 'Be Vietnam Pro', system-ui, sans-serif;
  --k-font-display: 'Josefin Sans', 'Be Vietnam Pro', sans-serif;
  --k-accent: #163a66;
  --k-accent-ink: #ffffff;
  --k-paper: #fbfcfe;
  --k-ink: #163a66;
  --k-line: rgba(22, 58, 102, 0.25);
  --k-radius: 2px;
}

body {
  background-color: var(--navy);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size:
    120px 120px,
    120px 120px,
    24px 24px,
    24px 24px;
  color: #fff;
  font: 400 16px/1.6 var(--k-font);
}
a {
  color: inherit;
}
h1,
h2,
h3 {
  margin: 0;
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 600;
}
.plain {
  margin: 0;
  padding: 0;
  list-style: none;
}
.label {
  margin: 0 0 8px;
  font:
    600 12px/1.3 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pencil);
}
.center {
  margin: 26px 0 0;
  text-align: center;
}

/* Title block header */
.tb {
  display: grid;
  grid-template-columns: auto 1fr;
  margin: 14px 12px 0;
  border: 2px solid var(--line);
  background: var(--navy-deep);
}
.tb-mark {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  width: 58px;
  padding: 10px;
  border-right: 2px solid var(--line);
}
.tb-mark span {
  border: 1.5px solid #fff;
  aspect-ratio: 1;
}
.tb-mark span:nth-child(4) {
  background: var(--pencil);
  border-color: var(--pencil);
}
.tb-name {
  display: grid;
  align-content: center;
  padding: 8px 12px;
  min-width: 0;
}
.tb-name a {
  font:
    700 21px/1.1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
}
.tb-name small {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
}
.tb-call {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  border: 0;
  border-top: 2px solid var(--line);
  background: var(--pencil);
  color: var(--navy-deep);
  font:
    700 15px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.06em;
  cursor: pointer;
}
.tb-nav {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 2px solid var(--line);
}
.tb-nav a {
  display: grid;
  place-items: center;
  min-height: 44px;
  padding: 6px;
  font:
    600 13px/1.2 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.04em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
}
.tb-nav a + a {
  border-left: 2px solid var(--line);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 2px solid var(--pencil);
  background: var(--pencil);
  color: var(--navy-deep);
  font:
    700 14px/1.2 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border-color: #fff;
}
.btn-line {
  min-height: 42px;
  border-color: var(--ink);
  background: transparent;
  color: var(--ink);
}
.btn-wide {
  width: 100%;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Hero with a dimensioned photo */
.hero,
.block {
  padding: 30px 16px 0;
}
.hero-title {
  font-size: 40px;
  line-height: 1.05;
  text-transform: uppercase;
}
.hero-lead {
  max-width: 36em;
  margin: 14px 0 20px;
  color: rgba(255, 255, 255, 0.85);
}
.dim-photo {
  position: relative;
  margin: 34px 22px 8px 0;
  padding: 0;
}
.dim-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 2px solid #fff;
}
.dim {
  position: absolute;
  font:
    600 12px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.1em;
  color: var(--pencil);
}
.dim-w {
  left: 0;
  right: 0;
  top: -22px;
  text-align: center;
  border-top: 1px solid var(--pencil);
  padding-top: 4px;
  transform: translateY(-1px);
}
.dim-w::before,
.dim-w::after {
  content: '';
  position: absolute;
  top: -6px;
  width: 1px;
  height: 11px;
  background: var(--pencil);
}
.dim-w::before {
  left: 0;
}
.dim-w::after {
  right: 0;
}
.dim-h {
  top: 0;
  bottom: 0;
  right: -20px;
  width: 18px;
  border-right: 1px solid var(--pencil);
  writing-mode: vertical-rl;
  text-align: center;
}
.dim-photo figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
}

/* Blocks */
.block-title {
  margin-bottom: 18px;
  font-size: 30px;
  line-height: 1.1;
  text-transform: uppercase;
}
.lead {
  max-width: 44em;
  margin: -6px 0 20px;
  color: rgba(255, 255, 255, 0.82);
}

/* Drawing sheets */
.sheets {
  display: grid;
  gap: 18px;
  counter-reset: sheet;
}
.sheet {
  position: relative;
  display: grid;
  border: 2px solid #fff;
  background: var(--paper);
  color: var(--ink);
  counter-increment: sheet;
}
.sheet::after {
  content: 'A-' counter(sheet, decimal-leading-zero);
  position: absolute;
  right: 0;
  bottom: 0;
  padding: 4px 10px;
  border-top: 2px solid var(--ink);
  border-left: 2px solid var(--ink);
  font:
    700 13px/1.3 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.08em;
}
.sheet-img img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 2px solid var(--ink);
}
.sheet-body {
  padding: 14px 14px 42px;
}
.sheet-cat {
  margin: 0 0 4px;
  font:
    600 11px/1.3 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #4a6e9a;
}
.sheet-name {
  font-size: 20px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}
.sheet-name a {
  text-decoration: none;
}
.sheet-short {
  margin: 6px 0 10px;
  font-size: 14px;
  color: #3f5f86;
}
.sheet-row {
  margin: 0 0 12px;
  font-size: 15px;
}
.sheet-row b {
  font:
    700 18px/1.2 'Josefin Sans',
    sans-serif;
}

/* Specification table */
.spec {
  display: grid;
  gap: 14px;
}
.spec-group {
  border: 2px solid #fff;
  background: rgba(16, 44, 79, 0.85);
}
.spec-head {
  padding: 10px 12px;
  border-bottom: 2px solid #fff;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.spec-head a {
  text-decoration: none;
}
.spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 10px 12px;
  font-size: 14px;
}
.spec-row + .spec-row {
  border-top: 1px dashed var(--line-soft);
}
.spec-row a {
  text-decoration: none;
  overflow-wrap: anywhere;
}
.spec-row b {
  color: var(--pencil);
  text-align: right;
}
.spec-list {
  border: 2px solid #fff;
  background: rgba(16, 44, 79, 0.85);
}

/* About, visit */
.about-text p {
  max-width: 44em;
  margin: 0 0 14px;
  color: rgba(255, 255, 255, 0.88);
}
.visit {
  display: grid;
  gap: 16px;
}
.visit-card {
  padding: 18px;
  border: 2px solid #fff;
  background: var(--navy-deep);
}
.visit-addr {
  margin: 0 0 12px;
  font:
    600 19px/1.35 'Josefin Sans',
    sans-serif;
}
.visit-hours {
  margin-bottom: 16px;
}
.visit-hours li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line-soft);
}
.map {
  min-height: 260px;
  border: 2px solid #fff;
  filter: grayscale(0.4);
}

/* List page */
.group {
  margin-top: 26px;
}
.group-title {
  margin: 26px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid #fff;
  font-size: 20px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.group-title small {
  font: 400 13px/1 var(--k-font);
  letter-spacing: 0;
  text-transform: none;
  color: rgba(255, 255, 255, 0.7);
}

/* Detail */
.back {
  display: inline-block;
  margin-bottom: 14px;
  font:
    600 13px/1 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}
.detail {
  display: grid;
  gap: 20px;
  margin: 20px 0;
}
.detail-short {
  font-weight: 700;
}
.detail-text p {
  margin: 0 0 12px;
}
.titleblock {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
}
.titleblock th,
.titleblock td {
  padding: 9px 10px;
  border: 2px solid var(--ink);
  text-align: left;
  vertical-align: top;
}
.titleblock th {
  width: 38%;
  font:
    600 12px/1.3 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.titleblock tfoot td b {
  font:
    700 17px/1.2 'Josefin Sans',
    sans-serif;
}

/* Order */
.order {
  display: grid;
  gap: 18px;
}
.order-form {
  padding: 18px;
  border: 2px solid #fff;
  background: var(--paper);
  color: var(--ink);
}
.order-item {
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 2px dashed var(--ink);
  font-size: 14px;
}
.order-item:has(b:empty) {
  display: none;
}
.order-side {
  padding: 18px;
  border: 2px solid #fff;
  background: var(--navy-deep);
}
.steps {
  margin: 0;
  padding-left: 20px;
}
.steps li {
  margin-bottom: 10px;
}

/* Footer: the drawing's title block */
.ft {
  display: grid;
  margin: 40px 12px 0;
  border: 2px solid var(--line);
  background: var(--navy-deep);
}
.ft-block {
  padding: 14px;
}
.ft-block + .ft-block {
  border-top: 2px solid var(--line);
}
.ft-block p {
  margin: 0 0 4px;
}
.ft-label {
  font:
    600 11px/1.3 'Josefin Sans',
    sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pencil);
}
.ft-brand {
  font:
    700 20px/1.2 'Josefin Sans',
    sans-serif;
  text-transform: uppercase;
}
.ft-link {
  padding: 0;
  border: 0;
  background: none;
  color: #fff;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

@media (min-width: 820px) {
  .tb {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    max-width: 1180px;
    margin: 20px auto 0;
  }
  .tb-mark {
    width: 72px;
  }
  .tb-name a {
    font-size: 26px;
  }
  .tb-call {
    grid-column: auto;
    order: 3;
    padding: 0 22px;
    border-top: 0;
    border-left: 2px solid var(--line);
  }
  .tb-nav {
    grid-column: auto;
    display: flex;
    order: 2;
    border-top: 0;
  }
  .tb-nav a {
    padding: 0 18px;
    border-left: 2px solid var(--line);
  }
  .hero,
  .block {
    max-width: 1180px;
    margin: 0 auto;
    padding: 56px 24px 0;
  }
  .hero {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    column-gap: 48px;
    align-items: center;
  }
  .hero > :not(.dim-photo) {
    grid-column: 1;
  }
  .hero .dim-photo {
    grid-column: 2;
    grid-row: 1 / span 4;
  }
  .hero-title {
    font-size: 60px;
  }
  .block-title {
    font-size: 40px;
  }
  .sheets {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
  .spec {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .about-text {
    columns: 2;
    column-gap: 40px;
  }
  .visit {
    grid-template-columns: 1fr 1.4fr;
  }
  .map {
    min-height: 320px;
  }
  .detail {
    grid-template-columns: 1.2fr 1fr;
    gap: 36px;
    align-items: start;
  }
  .btn-wide {
    width: auto;
    min-width: 320px;
  }
  .order {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
  .order-form .btn-wide {
    width: 100%;
  }
  .ft {
    grid-template-columns: repeat(3, 1fr);
    max-width: 1180px;
    margin: 56px auto 0;
  }
  .ft-block + .ft-block {
    border-top: 0;
    border-left: 2px solid var(--line);
  }
}