:root {
  color-scheme: light dark;
  --page: #f6f7fb;
  --card: #ffffff;
  --ink: #18212c;
  --muted: #5a6778;
  --rule: #e2e6ee;
  --accent: #5b4fd0;
  --teal: #6fd2bd;
  --sky: #76b6e2;
  --blue: #6688de;
  --indigo: #6a5ad8;
  --wood: #7a6352;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0f1720;
    --card: #16222f;
    --ink: #eef2f7;
    --muted: #a9b9cc;
    --rule: #263445;
    --accent: #a99ff5;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2.1rem;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.3rem;
  margin: 2.5rem 0 0.75rem;
}

h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.25rem;
}

p,
ul {
  margin: 0 0 1rem;
}

ul {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

.masthead {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 2rem;
  text-decoration: none;
  color: inherit;
}

.masthead img {
  width: 56px;
  height: 56px;
  border-radius: 13px;
}

.masthead span {
  font-weight: 600;
  font-size: 1.1rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--muted);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 1.25rem 1.4rem;
  margin: 1.5rem 0;
}

.card > :first-child {
  margin-top: 0;
}

.card > :last-child {
  margin-bottom: 0;
}

.stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin: 0.5rem 0 2rem;
}

.stack i {
  display: block;
  height: 14px;
  border-radius: 7px;
}

.stack i:nth-child(1) { width: 56px; background: var(--teal); }
.stack i:nth-child(2) { width: 88px; background: var(--sky); }
.stack i:nth-child(3) { width: 120px; background: var(--blue); }
.stack i:nth-child(4) { width: 152px; background: var(--indigo); }
.stack i:nth-child(5) { width: 196px; height: 8px; border-radius: 4px; background: var(--wood); }

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
}

.links li + li {
  margin-top: 0;
}

.links a {
  display: inline-block;
  padding: 0.55rem 1rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--card);
  text-decoration: none;
  font-weight: 600;
}

footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}

footer a {
  color: inherit;
}