@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,400;0,500;1,400&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');

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

:root {
  --bg:        #0e0e0e;
  --bg2:       #161616;
  --bg3:       #1e1e1e;
  --border:    #2a2a2a;
  --muted:     #555;
  --subtle:    #888;
  --fg:        #c8c8c8;
  --bright:    #e8e8e8;
  --accent:    #d79921;
  --accent2:   #458588;
  --red:       #cc241d;
  --green:     #98971a;

  --mono:      'IBM Plex Mono', monospace;
  --serif:     'Lora', Georgia, serif;

  --max:       680px;
  --gap:       2rem;
  --diag: calc(sqrt(100vw * 100vw + 100vh * 100vh));
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ── LAYOUT ── */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── HEADER / NAV ── */
header {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

header .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-name {
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--bright);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-name span { color: var(--accent); }

nav { display: flex; gap: 1.5rem; }
nav a {
  font-size: 0.75rem;
  color: var(--subtle);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.15s;
}
nav a:hover { color: var(--bright); text-decoration: none; }

/* ── HERO ── */
.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.hero-tag {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 400;
  color: var(--bright);
  line-height: 1.3;
  margin-bottom: 1rem;
  max-width: 560px;
}

.hero-sub {
  color: var(--subtle);
  font-size: 0.8125rem;
  max-width: 480px;
  line-height: 1.8;
}

/* ── POST LIST ── */
.post-list {
  padding: var(--gap) 0;
}

.section-label {
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.post-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 0 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

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

.post-date {
  font-size: 0.7rem;
  color: var(--muted);
  padding-top: 0.15rem;
  white-space: nowrap;
}

.post-meta { display: flex; flex-direction: column; gap: 0.3rem; }

.post-title {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--bright);
  transition: color 0.15s;
}

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

.post-desc {
  font-size: 0.775rem;
  color: var(--subtle);
  line-height: 1.6;
}

.post-tags { display: flex; gap: 0.4rem; margin-top: 0.25rem; }

.tag {
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.1rem 0.45rem;
  border-radius: 2px;
  text-transform: lowercase;
}

/* ── ABOUT STRIP ── */
.about-strip {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.about-strip .label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top: 0.2rem;
  min-width: 90px;
}

.about-strip p {
  font-size: 0.8rem;
  color: var(--subtle);
  line-height: 1.75;
}

.about-strip p a { color: var(--accent2); }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  color: var(--muted);
  font-size: 0.7rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

footer a { color: var(--muted); }
footer a:hover { color: var(--subtle); }

/* ── POST PAGE ── */
.post-header {
  padding: 4rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
}

.post-header .post-tag {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.post-header h1 {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  font-weight: 400;
  color: var(--bright);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.post-byline {
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  gap: 1rem;
}

.post-byline span::before { content: '· '; }
.post-byline span:first-child::before { content: ''; }

/* ── ARTICLE BODY ── */
article.body {
  padding: 2.5rem 0;
  max-width: var(--max);
  margin: 0 auto;
}

article.body > * + * { margin-top: 1.25rem; }

article.body h2 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--bright);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

article.body h3 {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

article.body p {
  font-size: 0.875rem;
  color: var(--fg);
  line-height: 1.85;
}

article.body strong { color: var(--bright); font-weight: 500; }
article.body em { font-style: italic; color: var(--subtle); }

article.body ul, article.body ol {
  padding-left: 1.25rem;
  font-size: 0.875rem;
  color: var(--fg);
}

article.body li + li { margin-top: 0.3rem; }

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

/* ── CODE BLOCKS ── */
article.body pre {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.7;
  margin: 1.5rem 0;
  border-radius: 2px;
}

article.body code {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  background: var(--bg2);
  padding: 0.1rem 0.35rem;
  border-radius: 2px;
}

article.body pre code {
  color: var(--fg);
  background: none;
  padding: 0;
}

/* syntax colours inside pre */
.kw { color: #d79921; }
.cm { color: #555; font-style: italic; }
.st { color: #98971a; }
.nu { color: #458588; }
.fn { color: #b8bb26; }

/* ── BLOCKQUOTE / NOTE ── */
article.body blockquote {
  border-left: 3px solid var(--accent2);
  padding: 0.75rem 1.25rem;
  color: var(--subtle);
  font-size: 0.82rem;
  background: var(--bg2);
  margin: 1.5rem 0;
  border-radius: 0 2px 2px 0;
}

/* ── TABLE ── */
article.body table {
  width: 100%;
  font-size: 0.78rem;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

article.body th {
  text-align: left;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
}

article.body td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  vertical-align: top;
}

article.body td:first-child { color: var(--accent); font-weight: 500; }

/* ── TOC ── */
.toc {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  border-radius: 2px;
}

.toc-title {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.toc ol {
  padding-left: 1rem;
  counter-reset: item;
  list-style: none;
}

.toc li { margin: 0.2rem 0; }
.toc li::before {
  counter-increment: item;
  content: counter(item, decimal-leading-zero) '. ';
  color: var(--muted);
  font-size: 0.72rem;
}
.toc a {
  font-size: 0.8rem;
  color: var(--subtle);
}
.toc a:hover { color: var(--accent); text-decoration: none; }

/* ── POST NAV ── */
.post-nav {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
}

.post-nav a { color: var(--subtle); }
.post-nav a:hover { color: var(--accent); text-decoration: none; }
.post-nav .nav-label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 0.25rem;
}

/* ── CURSOR ── */
::selection { background: #d7992230; color: var(--bright); }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── RESPONSIVE ── */
@media (max-width: 540px) {
  .post-item { grid-template-columns: 1fr; gap: 0.25rem; }
  .post-date { margin-bottom: 0.25rem; }
  .about-strip { flex-direction: column; gap: 0.5rem; }
  footer .wrap { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* ── ANIMATION ── */
@keyframes fadein {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0);   }
}

.hero, .post-list, .about-strip {
  animation: fadein 0.4s ease both;
}

.post-list { animation-delay: 0.1s; }
.about-strip { animation-delay: 0.2s; }