/* Mobile first. The page is reached by scanning a QR code on a package, so
   the phone layout is the base and the wide table is the enhancement. */

:root {
  --ink: #16191d;
  --muted: #5b6470;
  --rule: #d7dce3;
  --surface: #ffffff;
  --accent: #e2560d; /* the logo's orange */
  --accent-dark: #b8430a; /* darkened for text contrast on white */
  --page: #f6f7f9;
  --gutter: 1rem;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 1.25rem var(--gutter) 3rem;
  background: var(--page);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* Full viewport width; the gutter alone keeps content off the edge. */
.masthead,
main,
footer {
  width: 100%;
  margin-inline: auto;
}

/* Header ---------------------------------------------------------------- */

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.brand {
  display: inline-block;
  line-height: 0;
}

.brand img {
  width: auto;
  height: 3rem;
  max-width: 100%;
}

.switch {
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.switch:hover,
.switch:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 1.1rem + 1.4vw, 2.25rem);
  line-height: 1.2;
}

.intro {
  max-width: 62ch;
  margin: 0 0 1.5rem;
  color: var(--muted);
}

.distributor {
  margin: 0 0 2rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
}

.distributor h2 {
  margin: 0 0 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.distributor p {
  margin: 0;
}

.distributor a,
footer a {
  color: var(--accent-dark);
}

/* Articles as cards (mobile base) --------------------------------------- */

table {
  width: 100%;
  border-collapse: collapse;
}

caption {
  caption-side: top;
  padding-bottom: 0.75rem;
  text-align: left;
  font-weight: 600;
}

table,
caption,
thead,
tbody,
tr,
td {
  display: block;
  width: 100%;
}

/* The header row is the label source for the cards via td[data-label]. It is
   hidden visually but kept in the accessibility tree.

   This must come AFTER the rule above: that rule has equal specificity and
   would otherwise win on source order and stretch the hidden header to full
   width, whose cells then push the page sideways on a phone. */
thead {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

tr {
  margin-bottom: 1rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface);
}

td {
  padding: 0.6rem 0.9rem;
  border: 0;
  border-top: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}

td::before {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  content: attr(data-label);
}

/* The first cell is the article number: the card's heading. */
td:first-child {
  border-top: 0;
  background: var(--accent);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

td:first-child::before {
  display: none;
}

/* Footer ----------------------------------------------------------------- */

footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.875rem;
}

.chooser {
  padding-top: 4rem;
  text-align: center;
}

/* Table layout (wide screens) -------------------------------------------- */

@media (min-width: 60rem) {
  :root {
    --gutter: 2rem;
  }

  .brand img {
    height: 4rem;
  }

  table,
  caption,
  thead,
  tbody,
  tr,
  td {
    display: revert;
    width: auto;
  }

  table {
    display: table;
    width: 100%;
    background: var(--surface);
    font-size: 0.9rem;
  }

  thead {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip-path: none;
  }

  th,
  td {
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--rule);
    text-align: left;
    vertical-align: top;
  }

  thead th {
    position: sticky;
    top: 0;
    background: var(--accent);
    color: #fff;
    font-size: 0.78rem;
  }

  tr {
    margin: 0;
    border: 0;
    border-radius: 0;
  }

  tbody tr:nth-child(even) {
    background: #fbfcfd;
  }

  td::before {
    display: none;
  }

  td:first-child {
    background: transparent;
    color: inherit;
    font-size: inherit;
    font-weight: 600;
    white-space: nowrap;
  }
}

/* Print ------------------------------------------------------------------ */

@media print {
  body {
    padding: 0;
    background: #fff;
    font-size: 10pt;
  }

  .switch {
    display: none;
  }

  thead th {
    position: static;
    background: #eee;
    color: #000;
  }

  tr {
    break-inside: avoid;
  }
}