:root {
  color-scheme: light;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: #f4f7fa;
  color: #142c45;
  --accent: #194f87;
  --muted: #52667c;
  --line: #dae3ee;
}

* { box-sizing: border-box; }
body { margin: 0; }
h1, h2, p, dl, dd, figure { margin: 0; }
a { color: inherit; }
a:focus-visible {
  outline: 3px solid #a44323;
  outline-offset: 4px;
}

.page-width {
  width: min(100% - 3rem, 68rem);
  margin-inline: auto;
}

.masthead {
  min-height: 4.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  font-weight: 800;
  letter-spacing: .055em;
  font-size: 1.14rem;
  white-space: nowrap;
}

.wordmark span { color: #ac421e; }
.product {
  color: var(--muted);
  font-size: .86rem;
  font-weight: 600;
  text-align: right;
}

.overview {
  display: grid;
  grid-template-columns: minmax(0, .91fr) minmax(0, 1.09fr);
  gap: 1rem;
}

.intro {
  padding: clamp(1.55rem, 4vw, 3.25rem);
  border-radius: 1.15rem;
  background: #1f568d;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.intro h1 {
  font-size: clamp(2.45rem, 5.4vw, 4.45rem);
  line-height: .99;
  letter-spacing: -.05em;
  font-weight: 750;
}

.intro p {
  margin-top: 1.1rem;
  max-width: 25ch;
  color: #f0f6fd;
  font-size: 1.02rem;
  line-height: 1.55;
}

.pdf-link {
  margin-top: 1.6rem;
  padding: .83rem 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  min-height: 2.75rem;
  border-radius: .45rem;
  background: #fff;
  color: #194673;
  font-size: .94rem;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
}

.pdf-link:hover { background: #ebf4ff; }
.pdf-link:focus-visible { outline-color: #fff; }
.pdf-detail {
  color: #e8f2fe;
  font-size: .78rem;
  margin-top: .7rem;
  line-height: 1.4;
}

.results {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  padding: clamp(1.25rem, 3.5vw, 2.3rem);
}

h2 { font-size: clamp(1.4rem, 2.7vw, 1.75rem); letter-spacing: -.025em; }
.conditions {
  margin-top: .5rem;
  font-size: .92rem;
  line-height: 1.5;
  color: var(--muted);
}

.readings { margin-top: 1.04rem; }
.readings div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: .55rem;
  padding: .72rem 0;
  border-top: 1px solid var(--line);
}

dt { font-weight: 600; font-size: .99rem; line-height: 1.3; }
dt small {
  color: var(--muted);
  display: block;
  font-size: .78rem;
  font-weight: 400;
  margin-top: .16rem;
}

dd {
  color: var(--accent);
  font-weight: 750;
  font-size: clamp(1.1rem, 2.7vw, 1.55rem);
  letter-spacing: -.025em;
  font-variant-numeric: tabular-nums;
}

.scope {
  margin-top: .68rem;
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.5;
}

.report { padding-top: 2.55rem; }
.report-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: .75rem 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 1.04rem;
}

.report-heading p {
  color: var(--muted);
  font-size: .83rem;
  line-height: 1.5;
}

.report-number { font-variant-numeric: tabular-nums; }
.report-pages {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

figure {
  min-width: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: .85rem;
}

figcaption {
  border-bottom: 1px solid var(--line);
  padding: .9rem 1rem;
  font-size: .89rem;
  font-weight: 700;
}

figcaption span {
  margin-left: .55rem;
  color: var(--muted);
  font-size: .8rem;
  font-weight: 400;
}

figure a { display: block; border-radius: 0 0 .85rem .85rem; }
figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0 0 .85rem .85rem;
}

footer {
  color: var(--muted);
  padding: 1.4rem 0 2rem;
  font-size: .8rem;
  line-height: 1.5;
}

@media (max-width: 43rem) {
  .page-width { width: calc(100% - 2rem); }
  .masthead { min-height: 3.65rem; }
  .overview, .report-pages { grid-template-columns: 1fr; }
  .desktop-break { display: none; }
  .intro { border-radius: .9rem; }
  .intro p { max-width: 30ch; }
  .pdf-link { margin-top: 1.15rem; }
  .results { border-radius: .9rem; }
  .report { padding-top: 1.9rem; }
}

@media (max-width: 23rem) {
  .page-width { width: calc(100% - 1.25rem); }
  .intro, .results { padding-inline: 1rem; }
  .intro h1 { font-size: 2.15rem; }
  .wordmark { font-size: 1rem; }
  .product { font-size: .79rem; }
}