:root {
  color-scheme: dark;
  --bg: #05070d;
  --bg-raised: #0a0f1c;
  --fg: #e9f1fb;
  --muted: #93a0b8;
  --border: #1d2a45;
  --blue: #38a8ff;
  --blue-deep: #1e63e6;
  --ice: #bfe3ff;
  --code-bg: #0a1220;
}

* { box-sizing: border-box; }

::selection {
  background: var(--blue-deep);
  color: #ffffff;
}

body {
  margin: 0 auto;
  max-width: 780px;
  padding: 3rem 1.5rem 6rem;
  background: var(--bg);
  color: var(--fg);
  font-family: "Times New Roman", Times, Georgia, serif;
  line-height: 1.65;
}

h1, h2, h3 {
  font-family: "Times New Roman", Times, Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--fg);
}

h1 { font-size: 2.5rem; margin: 0.35rem 0 0.4rem; line-height: 1.1; }
h2 { margin-top: 2.75rem; font-size: 1.4rem; }
h3 { margin-top: 2rem; font-size: 1.15rem; }

.tagline {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.05rem;
  color: var(--muted);
  margin-top: 0;
}

p, li {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* Wordmark: light Times with blue tittle on the i */
.wordmark {
  display: inline-flex;
  align-items: baseline;
  font-family: "Times New Roman", Times, Georgia, serif;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.wordmark .i {
  position: relative;
  display: inline-block;
}

/* Dotless i body (U+0131) so the default tittle is absent */
.wordmark .i .body { font-style: normal; }

.wordmark .i .dot {
  position: absolute;
  left: 50%;
  top: 0.06em;
  width: 0.2em;
  height: 0.2em;
  border-radius: 50%;
  background: var(--blue);
  transform: translateX(-50%);
  pointer-events: none;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.75rem;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  display: block;
}

/* Hero: full-width robotics image with a blue glow edge */
.hero {
  margin: 1.75rem 0 0.5rem;
}

.hero img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  box-shadow: 0 0 48px rgba(56, 168, 255, 0.18), 0 8px 32px rgba(0, 0, 0, 0.6);
}

code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 0;
}

code { padding: 0.15em 0.4em; font-size: 0.92em; color: var(--ice); }
pre { padding: 1rem; overflow-x: auto; border-left: 3px solid var(--blue); }
pre code { background: none; border: none; padding: 0; color: var(--fg); }

.badge {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25em 0.65em;
  margin-right: 0.4em;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  color: var(--fg);
}

.badge-accent {
  border-color: var(--blue);
  color: var(--blue);
}

a {
  color: var(--blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--ice);
}

nav.sitenav {
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.95rem;
}

nav.sitenav a {
  margin-right: 1.25rem;
  text-decoration: none;
  color: var(--fg);
  font-weight: 500;
}

nav.sitenav a:hover {
  color: var(--blue);
  text-decoration: underline;
}

nav.sitenav a[aria-current="page"] {
  color: var(--blue);
}

header {
  margin-bottom: 0.5rem;
}

.post-meta {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: -0.5rem;
  margin-bottom: 2rem;
}

.post-list { list-style: none; padding: 0; }
.post-list li {
  margin-bottom: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.post-list time {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 0.2rem;
}
.post-list a {
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--fg);
}
.post-list a:hover { color: var(--blue); text-decoration: underline; }
.post-list p { margin: 0.35rem 0 0; color: var(--muted); }

blockquote {
  border-left: 3px solid var(--blue);
  margin-left: 0;
  padding-left: 1rem;
  color: var(--muted);
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
}

footer a { color: var(--blue); }
footer a:hover { color: var(--ice); }


.wordmark-heading { margin: 0.35rem 0 0.4rem; line-height: 0; }
.wordmark-img { display: block; height: 3.2rem; width: auto; max-width: 100%; }

/* Mobile navigation */
.nav-toggle {
  display: none;
}

@media (max-width: 640px) {
  nav.sitenav {
    position: relative;
    display: flex;
    justify-content: flex-end;
  }

  .nav-toggle {
    display: block;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    color: var(--fg);
    font-size: 1.3rem;
    line-height: 1;
    padding: 0.45rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
  }

  .nav-toggle:hover {
    border-color: var(--blue);
    color: var(--blue);
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.5rem;
    z-index: 50;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  }

  nav.sitenav.open .nav-links {
    display: block;
  }

  nav.sitenav .nav-links a {
    display: block;
    margin: 0;
    padding: 0.75rem 0.9rem;
    border-radius: 6px;
  }

  nav.sitenav .nav-links a:hover {
    background: var(--bg);
    text-decoration: none;
  }
}