/* Base */

html {
  background-color: var(--color-bg-page);
}

body {
  color: var(--color-text-primary);
  font-family: var(--font-sans);
}

body main {
  background-color: var(--color-bg-surface);
}

/* Headings */

h1 {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.05;
  margin: 10px 0 30px 0;
  font-stretch: condensed;
  letter-spacing: -0.03em;
  word-spacing: -0.05em;
}

h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  margin: 0 0 15px 0;
  font-stretch: condensed;
  letter-spacing: -0.03em;
  word-spacing: -0.05em;
}

/* Links */

h2 a {
  color: inherit;
  border-bottom: none;
}

h2 a:hover,
h2 a:focus {
  color: var(--color-accent);
  border-bottom: none;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  text-underline-offset: 4px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover,
a:focus {
  color: var(--color-accent-dark);
  border-bottom: 1px solid var(--color-accent-dark);
}

/* Dividers */

hr {
  border: none;
  border-top: 1px solid var(--color-text-primary);
  margin: 20px 0;
}

body>header hr {
  border-top-width: 3px;
}

/* Post card images */

section:first-of-type article a:has(img) {
  display: block;
  overflow: hidden;
  border-radius: 8px;
  border-bottom: none;
}

section:first-of-type article img {
  display: block;
  width: 100%;
  background-color: var(--color-bg-inset);
  transition: transform 0.3s ease;
}

section:first-of-type article a:has(img):hover img {
  transform: scale(1.05);
}

/* Section labels */

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Article content */

section>article {
  font-size: 1.1rem;
  line-height: 1.6;
}

/* TOC list */

section li {
  border-bottom: 1px solid var(--color-border);
}

section li span {
  border-bottom: 1px dotted var(--color-text-faint);
}

section li time {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

section li a,
section li a:hover {
  border-bottom: none;
}

/* Footer */

footer {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-text-subtle);
}

/* Blockquote */

blockquote {
  margin: 30px 0;
  padding: 20px;
  background-color: var(--color-bg-inset);
  border: 1px solid var(--color-accent);
  border-left: 4px solid var(--color-accent);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-body);
}

blockquote::before {
  content: "SYSTEM NOTE:";
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

/* Button */

button {
  background-color: var(--color-accent);
  color: var(--color-accent-fg);
  border: 1px solid var(--color-accent);
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

button:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

/* Code & Preformatted */

code,
pre {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background-color: var(--color-bg-inset);
  color: var(--color-text-body);
}

code {
  padding: 2px 6px;
  border: 1px solid var(--color-border);
}

pre {
  padding: 20px;
  border: 1px solid var(--color-accent);
  overflow-x: auto;
  line-height: 1.5;
}

/* Form Fields */

input[type="text"],
input[type="email"],
textarea {
  background-color: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-text-body);
  padding: 10px;
  font-family: inherit;
  font-size: 0.95rem;
  border-radius: 0;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: -2px;
}

/* Post */

/* Two column Layout */

.two-column {
  display: flow-root;
}

@media (min-width: 650px) {
  .two-column {
    columns: 2;
    column-gap: 40px;
    clear: both;
  }
}

/* General Post styles */

body>main>article {
  margin-top: 50px;
}

body>main>article>header {
  margin-bottom: 20px;
}

body>main>article header h2 {
  font-family: serif;
  font-size: 2.8rem;
  font-weight: 300;
  line-height: 1.1;
  transform: scaleX(0.85);
  transform-origin: left;
  letter-spacing: -0.06em;
  margin: 15px 0 0 0;
}

body>main>article p {
  font-size: 1rem;
  line-height: 1.65;
}

body>main>article>div h2 {
  font-size: 1.6rem;
}

body>main>article>.two-column>p:first-of-type::first-letter {
  font-family: serif;
  font-weight: bold;
  font-size: 4.2rem;
  float: left;
  line-height: 0.8;
  margin-right: 8px;
  margin-top: 4px;
}

/* Post images */

body>main>article figure {
  max-width: 45%;
  margin: 20px 0 20px 0;
}

body>main>article figure.left {
  float: left;
  margin-right: 25px;
}

body>main>article figure.right {
  float: right;
  margin-left: 25px;
}

body>main>article figure.full {
  max-width: 100%;
}

body>main>article figure img {
  width: 100%;
  display: block;
}

body>main>article figure figcaption {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 6px auto 6px auto;
  padding: 0 5px 5px 5px;
  width: fit-content;
}