/* ==========================================================================
   pistolas.co.uk — Site Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,800;1,400;1,700&family=Lora:ital,wght@0,400;0,500;1,400&family=Source+Code+Pro:wght@400;500&display=swap');

/* ==========================================================================
   DESIGN TOKENS
   ========================================================================== */
:root {

  /* --- COLOUR PALETTE: Hunter --- */
  --color-bg: #F3F5F2;
  /* Cool near-white with a faint green breath — primary background */
  --color-bg-alt: #E6EAE5;
  /* Cool sage-grey — article bg, alt sections */
  --color-ink: #161C15;
  /* Near-black with green undertone — primary text */
  --color-ink-muted: #4A564A;
  /* Mid sage-green — secondary text, metadata, captions */
  --color-rule: #C2CAC2;
  /* Cool grey-green — borders, dividers */
  --color-tag-bg: #E6EAE5;
  /* Same as alt bg — tag and code backgrounds */
  --color-accent: #2B5C38;
  /* Deep bottle green — links, tags, accents */
  --color-accent-hover: #1E4228;
  /* Deeper bottle green — hover state */

  /* --- TYPOGRAPHY --- */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Lora', Georgia, 'Times New Roman', serif;
  --font-mono: 'Source Code Pro', 'Courier New', Courier, monospace;

  /* --- TYPE SCALE (Major Third — 1.25 ratio) --- */
  --text-xs: 0.64rem;
  /* 10.2px — labels, fine print */
  --text-sm: 0.80rem;
  /* 12.8px — captions, footnotes */
  --text-base: 1.00rem;
  /* 16px   — base */
  --text-md: 1.05rem;
  /* 16.8px — body copy */
  --text-lg: 1.25rem;
  /* 20px   — post titles in list */
  --text-xl: 1.56rem;
  /* 25px   — subheadings, section titles */
  --text-2xl: 1.95rem;
  /* 31.2px — article titles */
  --text-3xl: 2.44rem;
  /* 39px   — hero headings */

  /* --- LINE HEIGHTS --- */
  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.65;
  --leading-relaxed: 1.82;

  /* --- LETTER SPACING --- */
  --tracking-tight: -0.025em;
  --tracking-snug: -0.015em;
  --tracking-normal: 0em;
  --tracking-wide: 0.06em;
  --tracking-wider: 0.10em;
  --tracking-widest: 0.14em;

  /* --- SPACING SCALE (base 4px) --- */
  --space-1: 0.25rem;
  /*  4px */
  --space-2: 0.5rem;
  /*  8px */
  --space-3: 0.75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-5: 1.25rem;
  /* 20px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-10: 2.5rem;
  /* 40px */
  --space-12: 3rem;
  /* 48px */
  --space-16: 4rem;
  /* 64px */

  /* --- LAYOUT --- */
  --max-content: 680px;
  /* Max width for article body prose */
  --max-site: 900px;
  /* Max width for overall site container */

  /* --- BORDERS --- */
  --radius-none: 0;
  --border-width: 1px;
  --border: var(--border-width) solid var(--color-rule);
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   BASE
   ========================================================================== */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--color-bg);
  font-family: var(--font-body);
  color: var(--color-ink);
  line-height: var(--leading-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.site-wrap {
  max-width: var(--max-site);
  margin: 0 auto;
}

/* ==========================================================================
   SKIP LINK (accessibility)
   ========================================================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  z-index: 100;
  transition: top 0.1s;
}

.skip-link:focus {
  top: var(--space-2);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.site-nav {
  border-bottom: var(--border);
  padding: var(--space-5) var(--space-10);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.site-nav__name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: var(--tracking-snug);
  color: var(--color-ink);
  text-decoration: none;
}

.site-nav__name-suffix {
  font-family: var(--font-body);
  font-weight: 400;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-ink-muted);
  letter-spacing: var(--tracking-normal);
}

.site-nav__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.site-nav__links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.site-nav__links a:hover,
.site-nav__links a[aria-current] {
  color: var(--color-accent);
}

/* ==========================================================================
   HERO
   ========================================================================== */
.site-hero {
  padding: var(--space-16) var(--space-10) var(--space-10);
  border-bottom: var(--border);
  max-width: var(--max-content);
}

.site-hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-5);
}

.site-hero h1 em {
  font-style: italic;
  color: var(--color-accent);
}

.site-hero p {
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--color-ink-muted);
}

/* Hero with photo — side-by-side layout */
.site-hero--with-photo {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: start;
}

.site-hero__text {
  min-width: 0;
}

.site-hero__photo {
  width: 180px;
  height: 220px;
  flex-shrink: 0;
  border: var(--border);
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
}

/* Placeholder crosshair — shown until user replaces with real photo */
.site-hero__photo:not(:has(img))::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--color-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-rule) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.35;
}

.site-hero__photo:not(:has(img))::after {
  content: 'photo';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-rule);
}

.site-hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* ==========================================================================
   TAG BAR
   ========================================================================== */
.tag-bar {
  padding: var(--space-5) var(--space-10);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  border-bottom: var(--border);
}

.tag-pill {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  background: var(--color-tag-bg);
  color: var(--color-ink-muted);
  border: var(--border);
  text-decoration: none;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
  display: inline-block;
}

.tag-pill:hover,
.tag-pill[aria-current] {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

.tag-pill--count {
  font-size: 0.55rem;
  opacity: 0.7;
  margin-left: 3px;
}

/* ==========================================================================
   POST LIST
   ========================================================================== */
.post-list {
  padding: 0 var(--space-10);
}

/* 2-column grid variant — used on homepage and blog listing */
.post-list--grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 var(--space-8);
}

/* In grid mode, items in the left column get a right border instead of bottom border */
.post-list--grid .post-item {
  padding: var(--space-5) 0;
}

/* Vertical separator between columns */
.post-list--grid .post-item:nth-child(odd) {
  border-right: var(--border);
  padding-right: var(--space-8);
}

.post-list--grid .post-item:nth-child(even) {
  border-bottom: var(--border);
}

/* Last two items (odd and even) should have no bottom border */
.post-list--grid .post-item:nth-last-child(-n+2) {
  border-bottom: none;
}

/* Last odd item in a set spans full row if total is odd */
.post-list--grid .post-item:last-child:nth-child(odd) {
  grid-column: 1;
  border-right: none;
  padding-right: 0;
}

.post-item {
  padding: var(--space-3) 0;
  border-bottom: var(--border);
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 0 var(--space-4);
  align-items: baseline;
}

.post-item:last-child {
  border-bottom: none;
}

.post-item__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: var(--tracking-wide);
  line-height: var(--leading-snug);
  padding-top: 2px;
  opacity: 0.7;
}

.post-item__tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-1);
  text-decoration: none;
}

.post-item__title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--color-ink);
  text-decoration: none;
  display: block;
  margin-bottom: var(--space-1);
  transition: color 0.15s ease;
}

.post-item__title:hover {
  color: var(--color-accent);
}

.post-item__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-snug);
  color: var(--color-ink-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-item__tags {
  margin-top: var(--space-2);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* ==========================================================================
   ARTICLE / POST PAGE
   ========================================================================== */
.article-wrap {
  background: var(--color-bg-alt);
  padding: var(--space-12) var(--space-10);
  border-top: 2px solid var(--color-rule);
}

.article-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-6);
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
  align-items: center;
}

.article-meta__tag {
  color: var(--color-accent);
  text-decoration: none;
}

.article-meta__tag:hover {
  text-decoration: underline;
}

.article-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.article-title em {
  font-style: italic;
  color: var(--color-accent);
}

.article-subtitle {
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-style: italic;
  color: var(--color-ink-muted);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-8);
}

.article-rule {
  border: none;
  border-top: var(--border);
  margin: var(--space-6) 0;
}

/* ==========================================================================
   PROSE (article body)
   ========================================================================== */
.prose {
  max-width: var(--max-content);
}

.prose p {
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--color-ink);
  margin-bottom: var(--space-5);
}

.prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-snug);
  color: var(--color-ink);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.prose h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  font-style: italic;
  color: var(--color-ink);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(92, 98, 40, 0.4);
  transition: text-decoration-color 0.15s ease;
}

.prose a:hover {
  text-decoration-color: var(--color-accent);
}

.prose blockquote {
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-5);
  margin: var(--space-8) 0;
  font-style: italic;
  color: var(--color-ink-muted);
  font-size: 1.02rem;
  line-height: var(--leading-normal);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.82em;
  background: var(--color-tag-bg);
  padding: 0 var(--space-1);
  border: var(--border);
  color: var(--color-accent);
}

.prose pre {
  background: var(--color-bg);
  border: var(--border);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-5) var(--space-6);
  overflow-x: auto;
  margin: var(--space-6) 0;
}

.prose pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.prose ul,
.prose ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
}

.prose li {
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.prose hr {
  border: none;
  border-top: var(--border);
  margin: var(--space-8) 0;
}

.prose strong {
  font-weight: 700;
  color: var(--color-ink);
}

.prose em {
  font-style: italic;
}

.prose img {
  border: var(--border);
  margin: var(--space-8) 0;
}

/* About page profile photo */
.about-photo {
  float: right;
  width: 200px;
  height: 240px;
  margin: 0 0 var(--space-8) var(--space-8);
  border: var(--border);
  background: var(--color-bg-alt);
  position: relative;
  overflow: hidden;
  display: block;
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

/* Placeholder — visible until replaced with <img> */
.about-photo--placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(var(--color-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-rule) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.35;
}

.about-photo--placeholder::after {
  content: 'photo';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-rule);
}

/* Clearfix — ensures prose clears the float */
.prose::after {
  content: '';
  display: block;
  clear: both;
}

.prose figure {
  margin: var(--space-8) 0;
}

.prose figcaption {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-ink-muted);
  margin-top: var(--space-2);
  line-height: var(--leading-normal);
}

/* ==========================================================================
   RELATED POSTS (bottom of article)
   ========================================================================== */
.related-posts {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: var(--border);
}

.related-posts__heading {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-5);
}

/* ==========================================================================
   RSS SUBSCRIBE SECTION
   ========================================================================== */
.rss-section {
  padding: var(--space-8) var(--space-10);
  border-top: var(--border);
  border-bottom: var(--border);
}

.rss-section__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  display: block;
  margin-bottom: var(--space-3);
}

.rss-section__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  border: var(--border);
  padding: var(--space-1) var(--space-3);
  display: inline-block;
  margin-right: var(--space-2);
  transition: background 0.12s ease, color 0.12s ease;
}

.rss-section__link:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

/* ==========================================================================
   TAGS / RSS DISCOVERY PAGE
   ========================================================================== */
.rss-explainer {
  border-bottom: var(--border);
  padding: var(--space-8) var(--space-10);
  background: var(--color-bg-alt);
}

.rss-explainer__inner {
  max-width: var(--max-content);
}

.rss-explainer__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  display: block;
  margin-bottom: var(--space-3);
}

.rss-explainer p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-5);
}

.rss-explainer p a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rss-explainer__feeds {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Individual RSS feed subscribe row */
.rss-feed-link {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border: var(--border);
  text-decoration: none;
  background: var(--color-bg);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.rss-feed-link:hover {
  border-color: var(--color-accent);
  background: var(--color-bg-alt);
}

.rss-feed-link__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink);
  font-weight: 500;
}

.rss-feed-link__url {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rss-feed-link__cta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  white-space: nowrap;
}

.rss-feed-link--opml {
  background: var(--color-bg-alt);
}

/* Per-tag subscribe list */
.tags-subscribe {
  padding: var(--space-6) var(--space-10);
}

.tags-subscribe__item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-4) 0;
  border-bottom: var(--border);
}

.tags-subscribe__item:last-child {
  border-bottom: none;
}

.tags-subscribe__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.tags-subscribe__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.15s ease;
}

.tags-subscribe__name:hover {
  color: var(--color-accent);
}

.tags-subscribe__count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-ink-muted);
}

.rss-feed-link--compact {
  grid-template-columns: 1fr auto;
}

.rss-feed-link--compact .rss-feed-link__label {
  display: none;
}

/* Tags index grid (kept for reuse) */
.tags-grid {
  padding: var(--space-8) var(--space-10);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
}

.tags-grid__item {
  border: var(--border);
  padding: var(--space-5);
  text-decoration: none;
  display: block;
  transition: border-color 0.15s ease;
}

.tags-grid__item:hover {
  border-color: var(--color-accent);
}

.tags-grid__item__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
  display: block;
  margin-bottom: var(--space-1);
}

.tags-grid__item__count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-ink-muted);
}


/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: var(--border);
  padding: var(--space-8) var(--space-10);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  background: var(--color-bg-alt);
}

.site-footer p {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: var(--tracking-wide);
}

.site-footer__feeds {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.site-footer__feeds a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-muted);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* ==========================================================================
   404 PAGE
   ========================================================================== */
.error-page {
  padding: var(--space-16) var(--space-10);
  max-width: var(--max-content);
}

.error-page__code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-4);
}

.error-page h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  margin-bottom: var(--space-5);
}

.error-page p {
  font-family: var(--font-body);
  font-size: var(--text-md);
  color: var(--color-ink-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
}

.error-page__links {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.error-page__links a {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  border: var(--border);
  padding: var(--space-2) var(--space-4);
  transition: background 0.12s ease, color 0.12s ease;
}

.error-page__links a:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
}

/* ==========================================================================
   HOMEPAGE DECORATIVE SVG
   ========================================================================== */
.hero-mark {
  display: block;
  width: 80px;
  height: 80px;
  margin-top: var(--space-8);
  opacity: 0.6;
}

/* ==========================================================================
   RESPONSIVE — 640px breakpoint
   ========================================================================== */
@media (max-width: 640px) {

  .site-nav,
  .site-hero,
  .tag-bar,
  .post-list,
  .article-wrap,
  .site-footer,
  .rss-section,
  .rss-explainer,
  .tags-subscribe,
  .tags-grid,
  .error-page {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }

  .rss-feed-link {
    grid-template-columns: 1fr auto;
  }

  .rss-feed-link__url {
    display: none;
  }

  .tags-subscribe__item {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .site-hero {
    padding-top: var(--space-10);
  }

  .site-hero h1 {
    font-size: var(--text-2xl);
  }

  .site-hero--with-photo {
    grid-template-columns: 1fr;
  }

  .site-hero__photo {
    width: 100%;
    height: 140px;
  }

  .post-list--grid {
    grid-template-columns: 1fr;
  }

  .post-list--grid .post-item:nth-child(odd) {
    border-right: none;
    padding-right: 0;
  }

  .post-item {
    grid-template-columns: 1fr;
    gap: var(--space-1);
  }

  .post-item__date {
    padding-top: 0;
  }

  .article-title {
    font-size: var(--text-xl);
  }

  .tags-grid {
    grid-template-columns: 1fr 1fr;
  }
}