:root {
  --navy: #10263a;
  --ink: #1b2a36;
  --muted: #3e4e59;
  --teal: #0f6e6b;
  --teal-dark: #0a4f4d;
  --foam: #e5f3f1;
  --paper: #f6f3ec;
  --card: #ffffff;
  --line: #d7e0dc;
  --amber: #8a4e1d;
  --amber-soft: #f8efe4;
  --focus: #0f6e6b;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, sans-serif;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --shadow: 0 1px 0 rgba(16, 38, 58, 0.04);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.55;
}
img { max-width: 100%; }
a { color: var(--teal-dark); }
a:hover { color: var(--navy); }
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}
.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--navy);
  color: white;
  padding: 8px 12px;
  z-index: 5;
}
.skip:focus { top: 12px; }

.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 4;
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--navy);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand svg { width: 40px; height: 40px; flex: none; }
.brand span { font-family: var(--serif); font-size: 1.15rem; }
.nav-toggle {
  min-height: 44px;
  min-width: 44px;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 8px;
  font: inherit;
  color: var(--navy);
}
.nav {
  display: none;
  padding: 0 0 14px;
}
.nav.open { display: block; }
.nav a {
  display: block;
  padding: 10px 0;
  text-decoration: none;
  border-top: 1px solid var(--line);
  color: var(--navy);
}
.nav a[aria-current="page"] { color: var(--teal-dark); font-weight: 700; }

main { padding: 28px 0 64px; }
h1, h2, h3 { font-family: var(--serif); letter-spacing: -0.02em; line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin: 0 0 12px; }
h2 { font-size: 1.55rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1.2rem; margin: 1.4rem 0 0.4rem; }
p { margin: 0 0 0.9rem; }
.lede { font-size: 1.12rem; max-width: 68ch; }
.kicker {
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.meta-line { color: var(--muted); font-size: 0.95rem; }

.stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 18px 0 8px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.stat b { display: block; font-family: var(--serif); font-size: 1.45rem; color: var(--navy); }
.stat span { color: var(--muted); font-size: 0.92rem; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.panel + .panel { margin-top: 16px; }
.note {
  background: var(--foam);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--ink);
}

.filters {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}
label.field { display: flex; flex-direction: column; gap: 4px; font-size: 0.88rem; font-weight: 700; color: var(--navy); }
input, select, button {
  font: inherit;
  color: var(--ink);
}
input, select {
  min-height: 44px;
  border: 1px solid #b7c4c0;
  border-radius: 8px;
  background: white;
  padding: 8px 10px;
  font-weight: 500;
}
.btn, button.btn {
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: white;
  padding: 8px 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
button.ghost, a.ghost {
  background: white;
  color: var(--navy);
}
.filter-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.table-scroll { overflow-x: auto; }
table.cmp { width: 100%; border-collapse: collapse; }
table.cmp caption {
  text-align: left;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
table.cmp th, table.cmp td {
  text-align: left;
  vertical-align: top;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
table.cmp thead { display: block; }
table.cmp thead tr { display: flex; flex-wrap: wrap; gap: 6px; }
table.cmp thead th { border: 0; padding: 0; }
table.cmp thead .sort-btn {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  background: white;
  min-height: 40px;
}
table.cmp tbody tr {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin: 0 0 12px;
  padding: 8px 12px;
}
table.cmp td { display: flex; justify-content: space-between; gap: 12px; border: 0; }
table.cmp td::before {
  content: attr(data-label);
  font-weight: 700;
  color: var(--muted);
  flex: 0 0 42%;
}
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table.data th { color: var(--navy); font-size: 0.88rem; }
.sort-btn {
  background: none;
  border: 0;
  padding: 0;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  min-height: 44px;
}
.price { color: var(--amber); font-variant-numeric: tabular-nums; font-weight: 700; }
.tag {
  display: inline-block;
  background: var(--foam);
  color: var(--teal-dark);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.8rem;
  font-weight: 700;
}
.muted { color: var(--muted); }
.small { font-size: 0.92rem; }
ul.clean { padding-left: 1.1rem; }
ul.clean li { margin: 0.25rem 0; }
.grid-2 { display: grid; gap: 16px; }
.chart-box { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 12px; }
canvas { width: 100%; height: auto; display: block; }
.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  color: var(--muted);
  background: #efeae2;
}
.site-footer a { color: var(--navy); }
.footer-grid { display: grid; gap: 8px; }
dl.spec { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 0; }
dl.spec div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
dl.spec dt { font-size: 0.8rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
dl.spec dd { margin: 4px 0 0; }
.price-hero {
  background: var(--navy);
  color: white;
  border-radius: 14px;
  padding: 16px;
}
.price-hero a { color: #d7f3f0; }
.price-hero .price { color: #f3d2b0; font-size: 1.8rem; }
.empty {
  padding: 18px;
  background: var(--amber-soft);
  border-radius: 12px;
}

@media (min-width: 720px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .filters { grid-template-columns: 1.4fr repeat(3, 1fr); }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  dl.spec { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .nav {
    display: flex;
    gap: 18px;
    padding: 0;
    align-items: center;
  }
  .nav a { border: 0; padding: 8px 0; }
  table.cmp thead { display: table-header-group; }
  table.cmp thead tr { display: table-row; }
  table.cmp thead th { display: table-cell; border-bottom: 1px solid var(--line); padding: 10px 8px; }
  table.cmp thead .sort-btn { border: 0; border-radius: 0; padding: 0; background: none; min-height: 44px; }
  table.cmp tbody tr { display: table-row; background: transparent; border: 0; border-radius: 0; margin: 0; padding: 0; }
  table.cmp td, table.cmp th { display: table-cell; border-bottom: 1px solid var(--line); padding: 10px 8px; }
  table.cmp td::before { content: none; }
  table.cmp tbody tr:hover { background: #f3faf8; }
  table.cmp td[data-label="Checked"],
  table.cmp td[data-label="Max thickness"] { white-space: nowrap; }
  .filters { grid-template-columns: 1.4fr repeat(3, 1fr); align-items: end; }
}