/* Long Road Software — longroadsoftware.com */
:root {
  --paper: #f4f6f5;
  --paper-2: #ffffff;
  --ink: #15201b;
  --ink-2: #4b5752;
  --line: #d6ddd9;
  --sign: #0f6b45;
  --sign-ink: #ffffff;
  --accent: #0f6b45;
  --stripe: #f2b705;
  --max: 64rem;
  --measure: 38rem;
  --display: "Overpass", "DIN Alternate", "Avenir Next", "Helvetica Neue", Arial, sans-serif;
  --body: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
  --mono: "Overpass Mono", ui-monospace, "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1513;
    --paper-2: #17201c;
    --ink: #e8efeb;
    --ink-2: #a2b0a9;
    --line: #28332e;
    --sign: #0f6b45;
    --sign-ink: #ffffff;
    --accent: #5ec79a;
    --stripe: #f2b705;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1513;
  --paper-2: #17201c;
  --ink: #e8efeb;
  --ink-2: #a2b0a9;
  --line: #28332e;
  --sign: #0f6b45;
  --sign-ink: #ffffff;
  --accent: #5ec79a;
  --stripe: #f2b705;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1.125rem/1.6 var(--body);
}
a { color: var(--accent); text-underline-offset: 0.18em; }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--stripe); outline-offset: 3px; border-radius: 4px; }
img { max-width: 100%; height: auto; }

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: 1rem; }
@media (min-width: 48rem) { .wrap { padding-inline: 2rem; } }

/* Header: the name as a road sign */
.top {
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  align-items: center; justify-content: space-between;
  padding-block: 1.5rem;
}
.sign {
  display: inline-flex; flex-direction: column;
  padding: 0.45rem 0.9rem 0.35rem;
  background: var(--sign); color: var(--sign-ink);
  border-radius: 0.5rem;
  box-shadow: inset 0 0 0 2px var(--sign), inset 0 0 0 4px var(--sign-ink);
  font: 800 1.05rem/1.05 var(--display);
  letter-spacing: 0.02em; text-decoration: none; text-transform: uppercase;
}
.sign span + span { font-weight: 600; font-size: 0.78rem; letter-spacing: 0.12em; }
.top nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.top nav a { color: var(--ink); font: 600 1rem var(--display); text-decoration: none; }
.top nav a:hover { color: var(--accent); }

/* Opening */
.hero { padding-block: 3rem 2.5rem; }
@media (min-width: 48rem) { .hero { padding-block: 5rem 3.5rem; } }
.marker {
  margin: 0 0 1rem;
  font: 500 0.8rem/1 var(--mono);
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2);
}
h1, h2, h3 { font-family: var(--display); text-wrap: balance; }
h1 {
  margin: 0; max-width: 18ch;
  font-size: clamp(2.3rem, 6vw, 4rem); font-weight: 800; line-height: 1.02; letter-spacing: -0.01em;
}
.lede { max-width: var(--measure); margin: 1.5rem 0 0; font-size: 1.25rem; color: var(--ink-2); }

/* The road's centre line, between sections */
.centerline {
  height: 6px; margin: 0;
  background: repeating-linear-gradient(90deg, var(--stripe) 0 3rem, transparent 3rem 5rem);
  border-radius: 3px;
}

section { padding-block: 3rem; }
section + section { border-top: 1px solid var(--line); }
h2 {
  margin: 0 0 1.5rem;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2);
}
p { max-width: var(--measure); margin: 0 0 1rem; }

/* A product */
.product {
  display: grid; gap: 1.25rem 2rem; align-items: start;
  grid-template-columns: 1fr;
}
@media (min-width: 40rem) { .product { grid-template-columns: 7rem 1fr; } }
.product img { width: 7rem; height: 7rem; }
.product h3 { margin: 0 0 0.5rem; font-size: 2rem; font-weight: 800; line-height: 1.1; }
.product h3 a { color: var(--ink); text-decoration: none; }
.product h3 a:hover { color: var(--accent); }
.facts {
  font: 500 0.85rem/1.5 var(--mono); color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; align-items: center; margin-top: 1.5rem; }
.button {
  display: inline-block; padding: 0.7rem 1.2rem;
  background: var(--sign); color: var(--sign-ink);
  border-radius: 0.5rem; font: 700 1rem var(--display); text-decoration: none;
}
.button:hover { filter: brightness(1.1); }

/* How the work is done */
.principles { display: grid; gap: 1.5rem 2.5rem; grid-template-columns: 1fr; padding: 0; margin: 2rem 0 0; list-style: none; }
@media (min-width: 48rem) { .principles { grid-template-columns: repeat(3, 1fr); } }
.principles li { border-top: 3px solid var(--stripe); padding-top: 0.9rem; }
.principles strong { display: block; margin-bottom: 0.35rem; font: 700 1.1rem/1.3 var(--display); }
.principles span { color: var(--ink-2); }

footer {
  padding-block: 2rem 3rem; border-top: 1px solid var(--line);
  color: var(--ink-2); font-size: 0.95rem;
}
footer .wrap { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; }
footer a { color: var(--ink-2); }

/* Not found */
.lost { padding-block: 5rem 4rem; }
.lost ul { padding-left: 1.2rem; }

@media (prefers-reduced-motion: no-preference) {
  .button, .top nav a { transition: color 0.15s, filter 0.15s; }
}