:root {
  --bg: #faf7f1;
  --text: #1c2a28;
  --muted: #58625d;
  --wine: #743448;
  --gold: #a88554;
  --line: #e9e2d6;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    17px/1.77 system-ui,
    -apple-system,
    'Segoe UI',
    sans-serif;
}
a {
  color: var(--wine);
}
a:hover {
  text-decoration-thickness: 2px;
}
header {
  background: #172623;
  color: #fff;
  border-bottom: 3px solid var(--gold);
}
nav {
  max-width: 1120px;
  margin: auto;
  display: flex;
  gap: 20px;
  padding: 22px;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: center;
}
nav a {
  color: #f5ede7;
  text-decoration: none;
  font-size: 15px;
  margin-right: 15px;
}
.logo {
  font:
    bold 26px Georgia,
    serif;
  letter-spacing: 0.07em;
}
.logo small {
  display: block;
  font: 11px system-ui;
  color: #d8ba85;
  letter-spacing: 0.24em;
}
.wrap {
  max-width: 1120px;
  margin: auto;
  padding: 20px;
}
.crumb {
  color: var(--muted);
  font-size: 13px;
  padding: 12px 0 25px;
}
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  background: #f0e9df;
  border-radius: 19px;
  padding: 32px;
  gap: 28px;
  align-items: center;
}
.hero h1 {
  font:
    bold clamp(34px, 4.4vw, 55px)/1.12 Georgia,
    serif;
  letter-spacing: -0.02em;
  margin: 12px 0 15px;
}
.tag {
  font-size: 12px;
  font-weight: bold;
  letter-spacing: 0.16em;
  color: var(--wine);
  text-transform: uppercase;
}
.lede {
  font-size: 19px;
  color: #435048;
}
.hero img {
  width: 100%;
  height: 340px;
  border-radius: 12px;
  object-fit: cover;
  background: #ded5c6;
}
figcaption {
  font-size: 11px;
  color: #67635c;
  margin-top: 8px;
}
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 37px;
  margin-top: 32px;
}
h2 {
  font:
    bold 31px/1.23 Georgia,
    serif;
  margin: 35px 0 12px;
}
h3 {
  font:
    bold 21px/1.3 Georgia,
    serif;
  margin: 12px 0;
}
article p {
  color: #303b37;
  margin: 13px 0;
}
aside {
  position: sticky;
  top: 15px;
  align-self: start;
}
.box {
  border: 1px solid var(--line);
  background: #fff;
  padding: 22px;
  border-radius: 14px;
  margin-bottom: 20px;
}
.box h2 {
  margin-top: 0;
  font-size: 22px;
}
.box li {
  margin: 8px 0;
}
.box ul {
  padding-left: 20px;
}
.diagram {
  width: 100%;
  border-radius: 13px;
}
.notice {
  padding: 18px;
  border-left: 4px solid var(--gold);
  background: #f1ebdf;
}
.related {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
}
.related a {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 16px;
  text-decoration: none;
  color: inherit;
}
.related a:hover {
  border-color: var(--wine);
}
.related p {
  font-size: 14px;
}
.refs {
  background: #f0ece5;
  padding: 18px;
  border-radius: 13px;
  font-size: 14px;
}
.refs li {
  margin: 6px 0;
}
details {
  border-bottom: 1px solid #ddd;
  padding: 11px 0;
}
summary {
  cursor: pointer;
  font-weight: bold;
}
.calc {
  padding: 24px;
  background: #fff;
  border: 1px solid #d7c4b0;
  border-radius: 14px;
  margin: 27px 0;
}
.inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
label {
  display: block;
  font-weight: bold;
}
input,
select {
  margin-top: 6px;
  padding: 11px;
  width: 100%;
  font: inherit;
  border: 1px solid #9e9e9e;
  border-radius: 6px;
}
#estimate-result {
  font:
    bold 31px Georgia,
    serif;
  color: var(--wine);
}
.small {
  font-size: 13px;
  color: #6a6e67;
}
footer {
  background: #172623;
  padding: 35px;
  color: #f3eee6;
  margin-top: 48px;
}
footer a {
  color: #ddc18f;
}
.footer-inner {
  max-width: 1120px;
  margin: auto;
}
@media (max-width: 800px) {
  .hero,
  .layout,
  .inputs {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 21px;
  }
  .hero img {
    height: 270px;
  }
  aside {
    position: static;
  }
  .related {
    grid-template-columns: 1fr;
  }
}