@import url("https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter&display=swap");

:root {
  --color-dark: #1b1d1c;
  --color-light: #fafafa;
  --color-primary: #979;
  --size-step-0: clamp(1rem, 1.5vw, 1.5rem);
  --size-step-1: clamp(1.25rem, 2vw, 2.4rem);
  --size-step-2: clamp(1.5rem, 2.5vw, 2.8rem);
  --size-step-3: clamp(1.75rem, 3vw, 3.2rem);
  --size-step-4: clamp(2rem, 4vw, 3.6rem);
  --size-step-5: clamp(2.25rem, 5vw, 4rem);
  --spacing: clamp(1rem, 2.5vw, 2rem);
  --font-stack-headings: "Bebas Neue", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans",
    sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol",
    "Noto Color Emoji";
  --font-stack-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
    "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-dark: #fafafa;
    --color-light: #1b1d1c;
  }
}

body {
  background: var(--color-light);
  color: var(--color-dark);
  padding: var(--spacing);
  padding-top: 0;
  font-family: var(--font-stack-body);
  font-size: var(--size-step-0);
  line-height: 1.3;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
}

* {
  box-sizing: border-box;
}

header,
main,
footer {
  width: 100%;
}

header {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--font-stack-headings);
  padding: var(--spacing) 0 calc(var(--spacing) / 1.5);
}

@media screen and (min-width: 600px) {
  header {
    flex-direction: row;
    gap: var(--spacing);
  }
}

main {
  max-width: 64ch;
  flex: 1;
  padding-bottom: calc(var(--spacing) * 2);
}

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

a:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-dark);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: calc(var(--spacing) / 4) solid var(--color-dark);
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: 400;
  line-height: 1;
  text-wrap: balance;
  font-family: var(--font-stack-headings);
}

h1 { font-size: var(--size-step-5); }
h2 { font-size: var(--size-step-4); }
h3 { font-size: var(--size-step-3); }
h4 { font-size: var(--size-step-2); }
h5 { font-size: var(--size-step-1); }

ul,
ol {
  padding-inline-start: 1em;
  margin-inline-start: 0;
}

li {
  --flow-space: var(--spacing);
  margin-block-start: var(--flow-space);
}

blockquote {
  padding-inline-start: var(--spacing);
  margin-inline-start: 0;
  border-inline-start: 0.3em solid;
  font-style: italic;
  font-size: var(--size-step-0);
}

/* Flow and rhythm */
article > * {
  margin-block-start: var(--flow-space, var(--spacing));
}

:is(h1, h2, h3, h4, h5, blockquote) {
  --flow-space: calc(var(--spacing) * 2);
  margin-block-end: calc(var(--spacing) / 2);
}

:is(h1, h2, h3, h4, h5) + * {
  --flow-space: calc(var(--spacing) / 3);
}

:is(h1, h2, h3, h4, h5) + :where(h2, h3, h4, h5) {
  --flow-space: calc(var(--spacing) * 2);
}

/* Line lengths */
main,
header,
footer {
  margin-inline: auto;
}

blockquote { max-width: 50ch; }
h1 { max-width: 32ch; }
h2, h3 { max-width: 36ch; }

/* Navigation */
.title {
  text-decoration: none;
}

.title h1 {
  font-size: var(--size-step-5);
  color: var(--color-dark);
  margin: 0;
  white-space: nowrap;
  line-height: 1;
}

nav p {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--spacing);
  font-size: var(--size-step-5);
  margin: 0;
  line-height: 0.9;
}

nav p a {
  line-height: 1;
}

/* Post list */
ul.blog-posts {
  list-style-type: none;
  padding: unset;
}

time {
  opacity: 0.5;
  font-style: normal;
}

ul.blog-posts li {
  display: flex;
  flex-direction: column;
  font-size: var(--size-step-3);
  font-family: var(--font-stack-headings);
}

@media screen and (min-width: 600px) {
  ul.blog-posts li {
    flex-direction: row;
    gap: calc(var(--spacing) / 2);
  }
}

ul.blog-posts li span {
  min-width: 11ch;
}

table {
  width: 100%;
}

th {
  text-align: left;
}

.post .title h1 {
  color: var(--color-primary);
}