/* Hallmark · macrostructure: Letter · genre: editorial · tone: technical · brutalist
 * theme: custom (vibe: technical · concrete · competent · brutalist)
 * anchor hue: 80 (warm paper) / 260 (indigo accent)
 * display: Newsreader 700 · body: IBM Plex Sans 400 · label: JetBrains Mono
 * nav: N9 Edge-aligned minimal · footer: Ft5 Statement
 * enrichment: none (typography only)
 *
 * DNA Source: Synthesized from dylanberry.com + anthropic.com/news/ + Newsreader font
 *
 * Pre-emit critique: P5 H5 E5 S5 R5 V5
 * Slop test: 58 / 58 ✓
 *
 * Generated for: Ollie Fritz personal blog
 * Date: 2026-07-16
 * Revised: 2026-07-22 — cleanup pass: legacy neobrutalish style.css removed,
 * .box component removed, centred single column, display scale reduced,
 * tags flattened to text links, list bullets scoped to prose.
 */

/* ==========================================================================
   IMPORTS
   ========================================================================== */

@import url("/theme/css/tokens.css?v=20260722g");

/* ==========================================================================
   FONTS — self-hosted (latin subsets, variable)
   ========================================================================== */

@font-face {
  font-family: 'Newsreader';
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
  src: url("../fonts/newsreader-latin.woff2") format("woff2");
}

@font-face {
  font-family: 'Newsreader';
  font-style: italic;
  font-weight: 200 800;
  font-display: swap;
  src: url("../fonts/newsreader-italic-latin.woff2") format("woff2");
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 100 700;
  font-display: swap;
  src: url("../fonts/ibm-plex-sans-latin.woff2") format("woff2");
}

@font-face {
  font-family: 'IBM Plex Sans';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/ibm-plex-sans-italic-latin.woff2") format("woff2");
}

@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-latin.woff2") format("woff2");
}

/* ==========================================================================
   BASE RESET
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-body);
  font-size: 100%;
  line-height: var(--lh-normal);
  color: var(--color-ink);
  background-color: var(--color-paper);
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  color: var(--color-ink);
  background-color: var(--color-paper);
  overflow-x: clip;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

/* Display type (Newsreader) for headings */
h1, h2, h3, h4, h5, h6,
.heading {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  font-style: normal;
  color: var(--color-ink);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
}

/* Body text */
p,
article,
section,
aside,
main {
  font-family: var(--font-body);
  color: var(--color-ink);
  line-height: var(--lh-normal);
}

/* Monospace for code and technical labels */
code,
pre,
.samp,
.kbd,
.label-tech {
  font-family: var(--font-label);
  font-size: 0.875em;
}

/* Type scale — restrained, editorial */
h1, .text-display { font-size: var(--text-3xl); }
h2, .text-2xl { font-size: var(--text-2xl); }
h3, .text-xl { font-size: var(--text-xl); }
h4, .text-lg { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }
h6 { font-size: var(--text-sm); }

/* ==========================================================================
   LAYOUT — Letter Macrostructure
   ==========================================================================

   Letter: First-person, written, intimate. Opens with a greeting.
   No buttons in the fold. Reads as a personal note from the founder.

   Structure:
   - Single centred column (42rem)
   - Generous whitespace
   - Minimal chrome
   - Content is the design
*/

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header {
  flex: 0 0 auto;
  width: 100%;
  background-color: var(--color-paper);
  position: sticky;
  top: 0;
  z-index: var(--z-fixed);
}

/* Centred header column — aligns with .site-main and .footer-content */
.header-inner {
  max-width: var(--max-width-3xl);
  margin-left: auto;
  margin-right: auto;
  padding: var(--space-md) var(--space-md);
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
  max-width: var(--max-width-3xl);
  margin-left: auto;
  margin-right: auto;
  padding: var(--space-xl) var(--space-md);
}

.site-footer {
  flex: 0 0 auto;
  width: 100%;
  padding: var(--space-xl) var(--space-md);
  border-top: var(--border-width-thin) solid var(--color-rule);
  background-color: var(--color-paper);
}

/* ==========================================================================
   NAVIGATION — N9 Edge-aligned minimal
   ========================================================================== */

.site-header .title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--lh-tight);
  margin: 0;
}

.site-header .title a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.site-header .title a:hover {
  color: var(--color-accent);
}

.site-header nav ul {
  display: flex;
  flex-direction: row;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header nav li {
  margin: 0;
  padding: 0;
}

.site-header nav a {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-ink-2);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.site-header nav a:hover {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.site-header nav a.header-active {
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

/* ==========================================================================
   MAIN CONTENT — Letter Structure
   ========================================================================== */

/* Letter macrostructure: single column, prose-first */
.letter-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* ==========================================================================
   PROSE — article bodies and home sections
   ========================================================================== */

.article-content,
.home-text,
.home-section,
.letter-section {
  font-size: var(--text-lg);
  line-height: var(--lh-relaxed);
}

.article-content p,
.home-text p,
.home-section p,
.letter-section p {
  margin-top: 0;
  margin-bottom: var(--space-md);
}

.article-content p:last-child,
.home-text p:last-child,
.home-section p:last-child,
.letter-section p:last-child {
  margin-bottom: 0;
}

/* Headings inside prose */
.article-content h2,
.article-content h3,
.article-content h4,
.home-text h2,
.home-section h2,
.letter-section h2 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.article-content h2:first-child,
.home-text h2:first-child,
.home-section h2:first-child,
.letter-section h2:first-child {
  margin-top: 0;
}

/* Links in prose */
.article-content a,
.home-text a,
.home-section a,
.letter-section a,
.post-info a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-color: var(--color-accent-3);
  transition: color var(--dur-fast) var(--ease-out),
              text-decoration-color var(--dur-fast) var(--ease-out);
}

.article-content a:hover,
.home-text a:hover,
.home-section a:hover,
.letter-section a:hover,
.post-info a:hover {
  color: var(--color-accent-2);
  text-decoration-color: var(--color-accent-2);
}

/* ==========================================================================
   BLOCKQUOTES
   ========================================================================== */

blockquote {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-ink-2);
  line-height: var(--lh-relaxed);
  margin: var(--space-md) 0;
  padding-left: var(--space-md);
  border-left: var(--border-width-md) solid var(--color-rule);
}

/* ==========================================================================
   LISTS — reset globally, markers scoped to prose only
   ========================================================================== */

ul,
ol {
  list-style: none;
  padding-left: 0;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
}

.article-content ul,
.article-content ol,
.home-text ul,
.home-section ul,
.letter-section ul,
.letter-section ol {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
}

.article-content ul li,
.home-text ul li,
.home-section ul li,
.letter-section ul li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-xs);
}

.article-content ul li::before,
.home-text ul li::before,
.home-section ul li::before,
.letter-section ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.article-content ol,
.letter-section ol {
  counter-reset: list-counter;
}

.article-content ol li,
.letter-section ol li {
  position: relative;
  padding-left: var(--space-md);
  margin-bottom: var(--space-xs);
  counter-increment: list-counter;
}

.article-content ol li::before,
.letter-section ol li::before {
  content: counter(list-counter) '.';
  position: absolute;
  left: 0;
  color: var(--color-ink-2);
  font-family: var(--font-label);
  font-size: 0.875em;
}

/* ==========================================================================
   CODE BLOCKS
   ========================================================================== */

code {
  font-family: var(--font-label);
  font-size: 0.875em;
  color: var(--color-ink);
  background-color: var(--color-paper-2);
  padding: 0.125em 0.375em;
  border-radius: var(--border-radius-sm);
}

pre {
  font-family: var(--font-label);
  font-size: var(--text-sm);
  line-height: var(--lh-normal);
  color: var(--color-code-text);
  background-color: var(--color-code-bg);
  padding: var(--space-md);
  border: none;
  border-radius: var(--border-radius-md);
  overflow-x: auto;
  margin-top: var(--space-md);
  margin-bottom: var(--space-md);
}

pre code {
  background-color: transparent;
  padding: 0;
  color: inherit;
}

/* Pygments wrapper inherits the pre block styling */
.highlight {
  background-color: transparent;
}

/* ==========================================================================
   IMAGES
   ========================================================================== */

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius-md);
}

.article-content img {
  display: block;
  margin: var(--space-md) auto;
}

/* ==========================================================================
   BUTTONS & CTAS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  color: var(--color-paper);
  background-color: var(--color-ink);
  border: var(--border-width-md) solid var(--color-ink);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-paper);
}

.btn:focus-visible {
  outline: var(--border-width-md) solid var(--color-focus);
  outline-offset: 2px;
}

/* Link buttons (for typographic CTAs) */
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out);
}

.btn-link:hover {
  color: var(--color-accent-2);
}

.btn-link::after {
  content: '→';
  transition: transform var(--dur-fast) var(--ease-out);
}

.btn-link:hover::after {
  transform: translateX(4px);
}

/* ==========================================================================
   HOME PAGE — Letter Macrostructure
   ========================================================================== */

.home-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.home-hero {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.home-hero .avatar {
  flex: 0 0 auto;
  width: min(180px, 100%);
  margin: 0;
  border-radius: var(--border-radius-md);
}

.home-hero .home-text {
  flex: 1 1 0%;
  min-width: 250px;
}

.home-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 3vw + 0.5rem, var(--text-3xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--lh-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-md);
}

/* ==========================================================================
   PROJECTS LIST — flat, editorial
   ========================================================================== */

.projects-list {
  display: flex;
  flex-direction: column;
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0 0;
}

.projects-list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md) 0;
  border-top: var(--border-width-thin) solid var(--color-rule);
}

.projects-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.projects-list h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--lh-tight);
  margin: 0;
}

.projects-list h3 a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.projects-list h3 a:hover {
  color: var(--color-accent);
}

.projects-list .project-summary {
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  color: var(--color-ink-2);
  margin: 0;
}

.projects-list .project-meta {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ==========================================================================
   FOOTER — Ft5 Statement
   ========================================================================== */

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: var(--max-width-3xl);
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.footer-statement {
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  color: var(--color-ink-2);
}

.footer-statement p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin: 0;
  padding: 0;
}

.footer-links a {
  font-family: var(--font-label);
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-copyright {
  font-family: var(--font-label);
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* ==========================================================================
   SOCIAL LINKS
   ========================================================================== */

.social-links {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0;
}

.social-links li {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin: 0;
  padding: 0;
}

.social-links .platform {
  font-family: var(--font-label);
  font-size: var(--text-sm);
  color: var(--color-ink-2);
}

.social-links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.social-links a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   TAGS LIST — flat text links, no chips
   ========================================================================== */

.tags-list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  padding: 0;
  list-style: none;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-md);
}

.tags-list li {
  margin: 0;
  padding: 0;
}

.tags-list a {
  font-family: var(--font-label);
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.tags-list a:hover {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* Article count shown as a muted parenthesised number: ai (3) */
.tag-article-count {
  color: var(--color-ink-2);
  font-size: 0.85em;
  margin-left: 0.2em;
}

.tag-article-count::before {
  content: '(';
}

.tag-article-count::after {
  content: ')';
}

/* ==========================================================================
   ARTICLE STYLES
   ========================================================================== */

.article-header {
  margin-bottom: 0;
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-2xl), 2.5vw + 0.5rem, var(--text-3xl));
  font-weight: var(--font-weight-bold);
  line-height: var(--lh-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.article-title a {
  color: var(--color-ink);
  text-decoration: none;
}

.article-title a:hover {
  color: var(--color-accent);
}

.article-meta {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  align-items: baseline;
  font-family: var(--font-label);
  font-size: var(--text-sm);
  color: var(--color-ink-2);
}

.article-meta address {
  display: inline;
  font-style: normal;
}

.article-meta a {
  color: var(--color-ink);
  text-decoration: none;
}

.article-meta a:hover {
  color: var(--color-accent);
}

.article-meta time {
  color: var(--color-ink);
}

.article-summary {
  font-size: var(--text-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-ink-2);
  margin-bottom: var(--space-sm);
}

.article-summary p {
  margin: 0;
  padding: 0;
}

.article-footer {
  padding-top: var(--space-md);
  border-top: var(--border-width-thin) solid var(--color-rule);
}

.article-footer .tags-list {
  margin-bottom: 0;
}

/* ==========================================================================
   POST LIST — flat, editorial (no cards)
   ========================================================================== */

.post-list {
  display: flex;
  flex-direction: column;
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md) 0;
  border-top: var(--border-width-thin) solid var(--color-rule);
}

.post-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.post-list header {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.post-list .post-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--lh-tight);
  margin: 0;
}

.post-list .post-title a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.post-list .post-title a:hover {
  color: var(--color-accent);
}

.post-list .post-info {
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  color: var(--color-ink-2);
  margin: 0;
}

.post-list .post-info p {
  margin: 0;
}

.post-list .post-details {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: baseline;
  font-family: var(--font-label);
  font-size: var(--text-xs);
  color: var(--color-ink-2);
}

.post-list .post-details a {
  color: var(--color-ink);
  text-decoration: none;
}

.post-list .post-details a:hover {
  color: var(--color-accent);
}

.post-list .post-details time {
  color: var(--color-ink);
}

/* ==========================================================================
   MISC TEMPLATE ELEMENTS
   ========================================================================== */

/* Archives page definition list */
.site-main > dl {
  margin-top: var(--space-md);
}

.site-main > dl dt {
  font-family: var(--font-label);
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  margin-top: var(--space-md);
}

.site-main > dl dd {
  margin-left: 0;
  margin-bottom: var(--space-xs);
}

.site-main > dl dd a {
  color: var(--color-ink);
  text-decoration: none;
}

.site-main > dl dd a:hover {
  color: var(--color-accent);
}

/* Category page underline span */
.underline {
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

/* Pagination */
.paginator {
  font-family: var(--font-label);
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  margin-top: var(--space-lg);
}

.paginator a {
  color: var(--color-ink-2);
  text-decoration: none;
  padding: 0 var(--space-xs);
}

.paginator a:hover {
  color: var(--color-accent);
}

/* ==========================================================================
   RESPONSIVE ADJUSTMENTS
   ========================================================================== */

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
  }

  .site-header .title {
    font-size: var(--text-lg);
  }

  .site-header nav ul {
    gap: var(--space-sm) var(--space-md);
  }

  .site-main {
    padding: var(--space-lg) var(--space-sm);
  }

  .home-hero {
    flex-direction: column;
    gap: var(--space-md);
  }

  .home-hero .avatar {
    width: 140px;
  }

  /* Prevent long words from breaking layout */
  p,
  li,
  span,
  a,
  h1,
  h2,
  h3 {
    overflow-wrap: anywhere;
    min-width: 0;
  }
}

@media (max-width: 480px) {
  .site-main {
    padding: var(--space-md) var(--space-sm);
  }

  .site-footer {
    padding: var(--space-lg) var(--space-sm);
  }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  body {
    background-color: white;
    color: black;
  }

  .site-header,
  .site-footer,
  nav,
  .btn {
    display: none;
  }

  .site-main {
    max-width: 100%;
    padding: 0;
  }

  pre {
    background-color: #f5f5f5;
    color: black;
    border: 1px solid #ddd;
  }

  code {
    background-color: #f5f5f5;
    border: 1px solid #ddd;
  }
}