:root {
  --night: #0a1626;
  --deep: #102238;
  --signal: #36a9f4;
  --cargo: #ff8b3d;
  --chalk: #eaf0f6;
  --haze: #93a7bd;
  --rule: rgba(147, 167, 189, 0.18);
  --display: "Geologica", "Onest", system-ui, sans-serif;
  --body: "Onest", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--night);
  color: var(--chalk);
  font-family: var(--body);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--signal);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--rule);
  background: rgba(10, 22, 38, 0.92);
  position: sticky;
  top: 0;
  z-index: 2;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--chalk);
  font-family: var(--display);
  font-weight: 650;
  text-decoration: none;
}

.brand img {
  width: 28px;
  height: 28px;
}

.bar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
}

.bar nav a {
  color: var(--haze);
}

.wrap {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.5rem clamp(1rem, 5vw, 4.5rem) 4rem;
}

h1 {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 0.4rem;
}

.meta {
  color: var(--haze);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.langs {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 2rem;
}

.langs a {
  color: var(--haze);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  font-size: 0.8rem;
}

.langs a:hover,
.langs a.is-on {
  color: var(--chalk);
  border-color: var(--signal);
  text-decoration: none;
}

h2 {
  font-family: var(--display);
  font-size: 1.2rem;
  margin: 2rem 0 0.6rem;
}

p,
li {
  color: #d5e0ea;
}

ul {
  padding-left: 1.2rem;
}

section + section {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.foot {
  padding: 1.5rem clamp(1rem, 5vw, 4.5rem) 2.5rem;
  border-top: 1px solid var(--rule);
  color: var(--haze);
  font-size: 0.85rem;
}