/* insectahk.com — The Analyst
   Navy · Copper · Ivory · Editorial Data Review */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=IBM+Plex+Sans+Thai:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --navy: #0f2537;
  --navy-deep: #081726;
  --copper: #b06840;
  --copper-light: #c98a67;
  --ivory: #f5efe4;
  --ivory-warm: #ebe3d3;
  --paper: #fbf8f2;
  --ink: #1a1a1a;
  --muted: #556575;
  --rule: #d4c9b1;
  --success: #4a6b3a;
  --warn: #8a5a1e;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans Thai', 'IBM Plex Sans', -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  font-weight: 400;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', 'IBM Plex Sans Thai', serif;
  color: var(--navy);
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1 { font-size: 2.8rem; margin-bottom: 1rem; font-weight: 700; }
h2 { font-size: 2rem; margin: 2.5rem 0 1rem; border-bottom: 2px solid var(--copper); padding-bottom: 0.5rem; }
h3 { font-size: 1.4rem; margin: 1.75rem 0 0.75rem; color: var(--navy-deep); font-weight: 600; }
h4 { font-size: 1.15rem; margin: 1.25rem 0 0.5rem; }

p { margin-bottom: 1.1rem; }

a {
  color: var(--copper);
  text-decoration: none;
  border-bottom: 1px dotted var(--copper);
  transition: color 0.15s;
}
a:hover { color: var(--navy); border-bottom-color: var(--navy); }

/* Layout */
.masthead {
  background: var(--navy);
  color: var(--ivory);
  border-bottom: 4px solid var(--copper);
}
.masthead-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ivory);
  border: none;
  letter-spacing: 0.02em;
}
.logo::before { content: '§ '; color: var(--copper); font-weight: 400; }
.logo-tagline {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  color: var(--copper-light);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 2px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
nav a {
  color: var(--ivory);
  border-bottom: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.25rem 0;
  position: relative;
}
nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--copper);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
}
nav a:hover { color: var(--copper-light); }
nav a:hover::after { transform: scaleX(1); }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--navy-deep), var(--navy));
  color: var(--ivory);
  padding: 3.5rem 2rem 3rem;
}
.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 { color: var(--ivory); }
.hero h1 .accent { color: var(--copper-light); font-style: italic; }
.hero-lede {
  font-size: 1.15rem;
  color: var(--ivory-warm);
  line-height: 1.6;
  margin-top: 1rem;
}
.hero-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--copper-light);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.hero img {
  width: 100%;
  height: auto;
  border: 1px solid var(--copper);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
}

/* Container */
main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}
.layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  align-items: start;
}
article { min-width: 0; }

/* Breadcrumbs */
.crumbs {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--rule);
}
.crumbs a { color: var(--muted); border: none; }
.crumbs a:hover { color: var(--copper); }
.crumbs span[aria-current] { color: var(--navy); font-weight: 500; }

/* TOC */
.toc {
  background: var(--ivory);
  border-left: 4px solid var(--copper);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
}
.toc-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.75rem;
  font-weight: 500;
}
.toc ol {
  list-style: none;
  counter-reset: toc;
  columns: 2;
  column-gap: 2rem;
}
.toc li {
  counter-increment: toc;
  padding: 0.3rem 0 0.3rem 2.2rem;
  position: relative;
  break-inside: avoid;
  font-size: 0.95rem;
}
.toc li::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--copper);
  font-weight: 500;
}
.toc a { color: var(--navy); border: none; }
.toc a:hover { color: var(--copper); }

/* Sidebar */
aside.sidebar {
  position: sticky;
  top: 1rem;
}
.sidebar-block {
  background: var(--ivory);
  border-top: 3px solid var(--navy);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.sidebar-block h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.75rem;
  font-weight: 500;
}
.sidebar-block ul { list-style: none; }
.sidebar-block li {
  padding: 0.4rem 0;
  border-bottom: 1px dotted var(--rule);
  font-size: 0.9rem;
}
.sidebar-block li:last-child { border-bottom: none; }
.sidebar-block a { color: var(--navy); border: none; }
.sidebar-block a:hover { color: var(--copper); }

/* Data callouts */
.callout {
  background: var(--ivory);
  border-left: 4px solid var(--copper);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.98rem;
}
.callout-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--copper);
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.pullquote {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  line-height: 1.35;
  color: var(--navy);
  font-style: italic;
  border-top: 3px solid var(--copper);
  border-bottom: 1px solid var(--rule);
  padding: 1.5rem 0;
  margin: 2rem 0;
  text-align: center;
}
.pullquote::before, .pullquote::after {
  color: var(--copper);
  font-weight: 700;
}
.pullquote::before { content: '“'; }
.pullquote::after { content: '”'; }

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
  background: var(--paper);
}
th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--rule);
}
th {
  background: var(--navy);
  color: var(--ivory);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}
tbody tr:nth-child(even) { background: var(--ivory); }

/* Lists */
ul.body-list, ol.body-list {
  margin: 1rem 0 1.5rem 1.75rem;
}
ul.body-list li, ol.body-list li {
  margin-bottom: 0.5rem;
  padding-left: 0.3rem;
}
ul.body-list li::marker { color: var(--copper); }

/* Hero images on secondaries */
.article-hero {
  width: 100%;
  height: auto;
  margin: 1.5rem 0 2rem;
  border: 1px solid var(--rule);
}

/* FAQ */
.faq { margin: 2rem 0; }
.faq details {
  border: 1px solid var(--rule);
  border-left: 3px solid var(--copper);
  margin-bottom: 0.75rem;
  background: var(--paper);
  transition: background 0.15s;
}
.faq details[open] { background: var(--ivory); }
.faq summary {
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  color: var(--navy);
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 3rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.5rem;
  color: var(--copper);
  transition: transform 0.15s;
}
.faq details[open] summary::after { content: '−'; }
.faq details > *:not(summary) {
  padding: 0 1.25rem 1rem;
}

/* Author bio */
.author-bio {
  background: var(--ivory);
  border-top: 3px solid var(--copper);
  padding: 2rem;
  margin: 3rem 0 2rem;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2rem;
  align-items: start;
}
.author-bio img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border: 3px solid var(--navy);
}
.author-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.35rem;
}
.author-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.author-role {
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
  margin-bottom: 0.75rem;
}

/* Related pages block */
.related {
  background: var(--navy);
  color: var(--ivory);
  padding: 2rem;
  margin: 3rem 0 1rem;
}
.related h3 {
  color: var(--copper-light);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  font-weight: 500;
}
.related ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.related li {
  border-left: 2px solid var(--copper);
  padding-left: 1rem;
}
.related a {
  color: var(--ivory);
  border: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 600;
}
.related a:hover { color: var(--copper-light); }
.related-desc {
  font-size: 0.85rem;
  color: var(--ivory-warm);
  margin-top: 0.25rem;
  line-height: 1.5;
}

/* Disclaimer */
.disclaimer {
  background: var(--ivory-warm);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--warn);
  padding: 1.5rem 1.75rem;
  margin: 3rem 0 1.5rem;
  font-size: 0.9rem;
  line-height: 1.65;
}
.disclaimer-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--warn);
  font-weight: 500;
  display: block;
  margin-bottom: 0.6rem;
}
.disclaimer strong { color: var(--navy); }
.disclaimer a { color: var(--navy); border-bottom: 1px solid var(--copper); }

/* Contact form */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.35rem;
  font-weight: 500;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--copper);
  background: var(--ivory);
}
.form-submit {
  background: var(--navy);
  color: var(--ivory);
  border: none;
  padding: 0.85rem 2rem;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  font-weight: 500;
}
.form-submit:hover { background: var(--copper); }

/* Footer */
footer {
  background: var(--navy-deep);
  color: var(--ivory-warm);
  padding: 2.5rem 2rem 1.5rem;
  margin-top: 4rem;
  border-top: 4px solid var(--copper);
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
}
footer h5 {
  color: var(--copper-light);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  font-weight: 500;
}
footer ul { list-style: none; }
footer li { margin-bottom: 0.35rem; font-size: 0.9rem; }
footer a { color: var(--ivory-warm); border: none; font-size: 0.9rem; }
footer a:hover { color: var(--copper-light); }
.footer-legal {
  max-width: 1180px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(212,201,177,0.15);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: rgba(245,239,228,0.6);
  text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  aside.sidebar { position: static; }
  .toc ol { columns: 1; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.2rem; }
}
@media (max-width: 768px) {
  main { padding: 1.5rem 1.25rem; }
  .hero { padding: 2.5rem 1.25rem 2rem; }
  .masthead-inner { padding: 1rem 1.25rem; }
  .author-bio { grid-template-columns: 1fr; text-align: center; }
  .author-bio img { margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr; }
  nav ul { gap: 0.85rem; }
}

/* Print */
@media print {
  .masthead nav, .related, footer, .form-submit, aside.sidebar { display: none; }
  body { background: white; color: black; }
  .layout { grid-template-columns: 1fr; }
  a { color: black; border: none; }
}