:root {
  --bg: #101418;
  --surface: #171d24;
  --text: #d6dce3;
  --muted: #8b95a1;
  --amber: #ffb454;
  --rule: #262e37;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { font-size: 17px; }

body {
  margin: 0 auto;
  max-width: 42rem;
  padding: 2.5rem 1.25rem 3rem;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
}

.site-header { margin-bottom: 3rem; }

.prompt {
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
}

.prompt .tilde { color: var(--muted); }

.prompt .cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.1em;
  margin-left: 0.3em;
  vertical-align: text-bottom;
  background: var(--amber);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .prompt .cursor { animation: none; }
}

.site-tag {
  margin: 0.4rem 0 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}


h1, h2, h3 {
  font-family: var(--mono);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 { font-size: 1.5rem; }

h2 {
  font-size: 1.05rem;
  margin-top: 2.5rem;
  color: var(--muted);
  text-transform: lowercase;
}

h2::before { content: "## "; color: var(--amber); }

a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

a:hover { border-bottom-color: var(--amber); }

a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

strong { font-weight: 600; color: #fff; }


.post-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
}

.post-list li {
  display: flex;
  gap: 1.25rem;
  align-items: baseline;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--rule);
}

.post-list time {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  flex-shrink: 0;
}

.post-list a { font-weight: 600; color: var(--text); }

.post-list a:hover { color: var(--amber); border-bottom-color: transparent; }

.post-meta {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.post-title { margin: 0 0 1.5rem; }


/* ---- images (homepage .content + article .post-body) ---- */
.content img,
.post-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.5rem auto;
  border-radius: 4px;
}

/* hero banner — slim cinematic crop, anchored on the tower */
.content img.hero {
  width: 100%;
  aspect-ratio: 2 / 1;      /* try 21 / 9 for even slimmer, 16 / 9 for taller */
  object-fit: cover;
  object-position: center;
  margin: 0.5rem auto 2.5rem;
  border-radius: 8px;
}

/* optional: keep cert scans from dominating the column */
.content img.cert {
  max-width: 480px;
}

.post-body blockquote {
  margin: 1.25rem 0;
  padding: 0.1rem 1rem;
  border-left: 2px solid var(--amber);
  color: var(--muted);
}


code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--surface);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

pre {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
  line-height: 1.5;
}

pre code { background: none; padding: 0; font-size: 0.82rem; }

.back-link {
  margin-top: 2.5rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}


.site-footer {
  margin-top: 4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
}

.site-footer .sep { margin: 0 0.5rem; }


@media (max-width: 480px) {
  html { font-size: 16px; }
  .post-list li { flex-direction: column; gap: 0.1rem; }
  .content img.hero { aspect-ratio: 16 / 9; }  /* taller on mobile so it doesn't get too thin */
}