:root {
  --bg: #0c0d10;
  --panel: #12141a;
  --panel-2: #181b22;
  --elevated: #1c2028;
  --ink: #eef1f6;
  --ink-soft: #8b929e;
  --line: #2a2f3a;
  --line-strong: #3a4150;
  --accent: #5b8def;
  --accent-2: #3d74e8;
  /* Button blues dark enough for white text to read (5.1:1 and 6.1:1). */
  --button: #3268dc;
  --button-2: #2a5bc8;
  --sans: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1, h2, h3 { font-weight: 600; letter-spacing: -0.03em; }
h1 { font-size: 2.15rem; line-height: 1.15; margin: 0 0 14px; }
h2 { font-size: 1.25rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1rem; margin: 1.1rem 0 0.25rem; }
p, li { font-size: 1.02rem; line-height: 1.55; }
p { margin: 0.4rem 0 0.8rem; }

.mast {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  color: inherit;
  text-decoration: none;
}
.brand strong { font-size: 18px; letter-spacing: -0.04em; }
.mark {
  width: 32px;
  height: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  padding: 4px;
  background: var(--ink);
  border-radius: 7px;
  flex-shrink: 0;
}
.mark span { background: var(--bg); border-radius: 1px; }
.mark span:nth-child(3) { background: var(--accent); }
.mark span:nth-child(4) { background: transparent; box-shadow: inset 0 0 0 1.5px var(--bg); }
.nav { display: flex; gap: 8px 14px; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--ink-soft); text-decoration: none; font-size: 14px; }
.nav a:hover { color: var(--ink); }
/* A button in the nav keeps its own colors: `.nav a` outranks `.btn-primary`
 * and turned the Design button's text grey on blue. */
.nav a.btn { color: var(--ink); }
.nav a.btn-primary,
.nav a.btn-primary:hover { color: #fff; }

.wrap { max-width: 760px; margin: 0 auto; padding: 40px 22px 72px; }
.kicker {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.lede { font-size: 1.15rem; line-height: 1.5; color: var(--ink-soft); margin: 0 0 18px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 4px; }
.btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--elevated);
  color: var(--ink);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
}
.btn:hover { border-color: var(--line-strong); background: var(--panel-2); }
.btn-primary {
  background: var(--button);
  border-color: var(--button-2);
  color: #fff;
}
.btn-primary:hover { background: var(--button-2); }
ul, ol { margin: 0.3rem 0 0.8rem; padding-left: 1.25rem; }
li { margin: 0.25rem 0; }
.links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 8px; }
.price {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 16px;
  font-size: 15px;
}
.price th, .price td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}
.price th { color: var(--ink-soft); font-weight: 500; }
.note { color: var(--ink-soft); font-size: 0.95rem; }
footer {
  border-top: 1px solid var(--line);
  padding: 22px;
  color: var(--ink-soft);
  font-size: 13px;
}
footer .wrap { padding: 0 0 8px; }
footer a { color: var(--ink-soft); }

@media (max-width: 720px) {
  h1 { font-size: 1.7rem; }
  .mast { flex-direction: column; align-items: flex-start; }
  .wrap { padding-top: 28px; }
}