/* ============================================================================
   justgeo.co -- site styles
   Consumes tokens.css. Layout + components. Single file, no preprocessor.
   ============================================================================ */

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

html, body { background: var(--page-bg); color: var(--page-fg); }
body {
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
}

a { color: inherit; text-decoration: none; }
::selection { background: var(--ink-accent); color: var(--page-bg); }

/* ---------- chrome --------------------------------------------------- */
.chrome {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in oklab, var(--page-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.chrome-inner {
  max-width: 960px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(1.25rem, 4vw, 2rem);
  gap: 1.5rem;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--page-fg);
}
.brand-mark { width: 20px; height: 20px; display: block; }
.brand-dot { color: var(--ink-accent); }

.nav {
  display: flex; gap: clamp(0.6rem, 2vw, 1.5rem);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--page-fg-2);
}
.nav a {
  padding: 4px 2px;
  border-bottom: 1px solid transparent;
  transition: color 120ms ease, border-color 120ms ease;
}
.nav a:hover { color: var(--page-fg); }
.nav a.is-active { color: var(--page-fg); border-bottom-color: var(--ink-accent); }

/* ---------- page scaffolding ---------------------------------------- */
.page {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) clamp(1.25rem, 4vw, 2rem) 6rem;
  animation: pageIn 240ms ease both;
}
.page--narrow { max-width: 620px; }
.page--wide   { max-width: 960px; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- typography helpers -------------------------------------- */
.eyebrow {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--page-fg-3);
  margin-bottom: 1rem;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--page-fg-3);
  letter-spacing: 0.02em;
}
.h-display {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--page-fg);
  margin-bottom: 1.25rem;
}
.h-section {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--page-fg-2);
}
.lede {
  color: var(--page-fg-2);
  font-size: 1.02rem;
  line-height: 1.55;
  max-width: var(--measure);
}
.muted { color: var(--page-fg-2); }
.dim   { color: var(--page-fg-3); }
.mono  { font-family: var(--font-mono); }

/* ---------- inline link ---------------------------------------------- */
.ilink {
  color: var(--page-fg);
  border-bottom: 1px solid var(--rule-strong);
  transition: color 120ms, border-color 120ms;
}
.ilink:hover { color: var(--ink-accent); border-bottom-color: var(--ink-accent); }

/* ---------- outlined CTA --------------------------------------------- */
.btn-line {
  display: inline-block;
  padding: 0.85rem 1.4rem;
  border: 2px solid var(--page-fg);
  color: var(--page-fg);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.86rem;
  transition: background 120ms, color 120ms;
}
.btn-line:hover { background: var(--page-fg); color: var(--page-bg); }

/* ---------- rules / dividers ----------------------------------------- */
.rule   { border: 0; border-top: 1px solid var(--rule); margin: 2rem 0; }

/* ---------- post list ------------------------------------------------ */
.post-list { list-style: none; }
.post-row {
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
  transition: padding-left 140ms ease;
}
.post-row:last-child { border-bottom: 1px solid var(--rule); }
.post-row:hover { padding-left: 6px; }
.post-row:hover .post-title { color: var(--ink-accent); }

.row-link {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 1.25rem;
  align-items: baseline;
}
.post-row--wide .row-link { align-items: start; }
.post-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--page-fg-3);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.post-title {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--page-fg);
  transition: color 140ms;
}
.post-desc {
  font-size: 0.85rem;
  margin-top: 4px;
  max-width: 52ch;
}
.post-tags {
  display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--page-fg-3);
  letter-spacing: 0.02em;
}
.tag::before { content: '#'; opacity: 0.55; margin-right: 1px; }

/* ---------- project-index variants ----------------------------------- */
.project-content {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: start;
}
.project-desc { font-size: 0.88rem; max-width: 54ch; margin-top: 4px; }
.project-status { margin-top: 4px; align-self: start; }
.project-row .post-title { margin-bottom: 4px; }
.project-row .ext { opacity: 0.55; font-family: var(--font-mono); }

/* ---------- biglinks ------------------------------------------------- */
.biglinks { display: flex; flex-direction: column; gap: 0.9rem; }
.biglink {
  display: block;
  padding: 1.1rem 1.4rem;
  border: 2px solid var(--page-fg);
  color: var(--page-fg);
  transition: background 150ms, color 150ms;
}
.biglink:hover { background: var(--page-fg); color: var(--page-bg); }
.biglink:hover .biglink-sub { opacity: 0.75; }
.biglink-title {
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex; justify-content: space-between; align-items: center;
}
.biglink-sub {
  display: block;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: inherit;
  opacity: 0.5;
  margin-top: 0.35rem;
  letter-spacing: 0.02em;
  text-transform: none;
}
.biglink-arrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  opacity: 0.55;
}

/* ---------- card grid (tools index) ---------------------------------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
}
.card {
  display: block;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--rule);
  transition: border-color 140ms, transform 140ms;
  position: relative;
}
.card:hover { border-color: var(--page-fg); transform: translateY(-1px); }
.card-kind {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--page-fg-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.6rem;
}
.card-title {
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--page-fg);
  margin-bottom: 0.4rem;
}
.card-desc {
  font-size: 0.86rem;
  color: var(--page-fg-2);
  line-height: 1.5;
}
.card-tags { display: flex; gap: 8px; margin-top: 0.8rem; flex-wrap: wrap; }

/* ---------- essay body ----------------------------------------------- */
.prose { max-width: var(--measure); color: var(--page-fg); }
.prose p { margin: 1.1em 0; }
.prose p.lede { color: var(--page-fg-2); font-size: 1.05em; }
.prose h2 {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 2.6em 0 0.9em;
  color: var(--page-fg);
}
.prose h3 { font-size: 1rem; font-weight: 600; margin: 1.8em 0 0.5em; }
.prose ul, .prose ol { margin: 1em 0 1em 1.25em; }
.prose li { margin: 0.35em 0; }
.prose blockquote {
  margin: 1.5em 0;
  padding-left: 1rem;
  border-left: 2px solid var(--rule-strong);
  color: var(--page-fg-2);
  font-style: normal;
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 1px 5px;
  background: color-mix(in oklab, var(--page-fg) 8%, transparent);
  border-radius: 2px;
}
.prose pre {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 1rem 1.2rem;
  background: color-mix(in oklab, var(--page-fg) 5%, transparent);
  border-left: 2px solid var(--rule-strong);
  overflow-x: auto;
  margin: 1.5em 0;
  line-height: 1.6;
}
.prose pre code { background: none; padding: 0; font-size: 1em; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5em 0; }
.prose a { color: var(--page-fg); border-bottom: 1px solid var(--rule-strong); transition: color 120ms, border-color 120ms; }
.prose a:hover { color: var(--ink-accent); border-bottom-color: var(--ink-accent); }

/* structured kv (about page, inline dl) */
.prose dl { margin: 1em 0; }
.prose .kv {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  padding: 0.7rem 0;
  border-top: 1px solid var(--rule);
  font-size: 0.88rem;
}
.prose .kv:last-child { border-bottom: 1px solid var(--rule); }
.prose .kv dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--page-fg-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-top: 2px;
}
.prose .kv dd { color: var(--page-fg); }

/* ---------- essay page extras ---------------------------------------- */
.breadcrumb { margin-bottom: 1.5rem; }
.essay-head { margin-bottom: 2rem; }
.essay-title { margin-bottom: 0.85rem; }
.essay-nav {
  display: flex; justify-content: space-between; gap: 1rem;
  margin-top: 4rem; padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.84rem;
}
.essay-nav > div { max-width: 45%; }
.essay-nav .right { text-align: right; }
.page-h1 { margin-bottom: 1rem; }

/* ---------- dataset table -------------------------------------------- */
.source-of-truth {
  font-size: 0.88rem;
  max-width: var(--measure);
  margin-bottom: 0.5rem;
}
.table-wrap { overflow-x: auto; margin: 1.5rem 0; }
table.dataset {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  font-family: var(--font-mono);
}
.dataset th {
  text-align: left;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--page-fg-3);
  padding: 0.6rem 0.9rem 0.6rem 0;
  border-bottom: 1px solid var(--rule-strong);
  white-space: nowrap;
}
.dataset th.num { text-align: right; }
.dataset th.sortable { cursor: pointer; user-select: none; }
.dataset th.sortable:hover { color: var(--page-fg); }
.dataset th .sort-ind { opacity: 0.4; margin-left: 4px; }
.dataset th.is-sorted .sort-ind { opacity: 1; color: var(--ink-accent); }
.dataset td {
  padding: 0.6rem 0.9rem 0.6rem 0;
  border-bottom: 1px solid var(--rule);
  color: var(--page-fg-2);
  white-space: nowrap;
}
.dataset td.num { text-align: right; }
.dataset tr:hover td {
  color: var(--page-fg);
  background: color-mix(in oklab, var(--page-fg) 3%, transparent);
}
.dataset td.strong { color: var(--page-fg); }
.dataset td.sans { font-family: var(--font-sans); }

.cfd {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; margin-right: 6px; vertical-align: baseline;
}
.cfd--high { background: var(--ok); }
.cfd--medium { background: var(--warn); }
.cfd--needs_verification { background: var(--err); }

/* ---------- filter chips --------------------------------------------- */
.filters { display: flex; gap: 6px; flex-wrap: wrap; margin: 1rem 0 0.5rem; }
.chip {
  font: inherit;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  border: 1px solid var(--rule-strong);
  background: none;
  color: var(--page-fg-2);
  cursor: pointer;
  transition: color 120ms, border-color 120ms, background 120ms;
  letter-spacing: 0.02em;
}
.chip:hover { color: var(--page-fg); border-color: var(--page-fg); }
.chip.is-active {
  background: var(--ink-accent);
  color: var(--page-bg);
  border-color: var(--ink-accent);
}

/* ---------- placeholders (stub tool pages) --------------------------- */
.placeholder {
  padding: 2rem;
  border: 1px dashed var(--rule-strong);
  text-align: center;
  margin-top: 1rem;
}
.placeholder .kicker { margin-bottom: 0.5rem; }
.placeholder .muted  { font-size: 0.88rem; }

/* ---------- landing sections ---------------------------------------- */
.hero          { margin-bottom: 3rem; }
.latest        { margin-bottom: 3.5rem; }
.section-head  { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.5rem; }
.elsewhere .h-section { margin-bottom: 1rem; }
.elsewhere .muted {
  font-size: 0.9rem;
  margin-bottom: 1rem;
  max-width: var(--measure);
}
.elsewhere .btn-line { align-self: flex-start; margin-top: 0.4rem; }

/* ---------- footer --------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--rule);
  margin-top: 5rem;
  padding: 2rem clamp(1.25rem, 4vw, 2rem);
  max-width: 960px;
  margin-left: auto; margin-right: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--page-fg-3);
  letter-spacing: 0.02em;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.site-footer a:hover { color: var(--page-fg); }
.site-footer .sep { margin: 0 10px; opacity: 0.5; }

/* fullyparametric CTA -- only emitted on tool pages (see _chrome_footer) */
.footer-cta { display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.footer-cta a { color: var(--ink-accent); transition: color 120ms; }
.footer-cta a:hover { color: var(--page-fg); }

/* ---------- link-group (links page) ---------------------------------- */
.link-group { margin-bottom: 2.5rem; }
.link-group .h-section { margin-bottom: 0.8rem; }

/* ---------- responsive ----------------------------------------------- */
@media (max-width: 600px) {
  .row-link        { grid-template-columns: 1fr; gap: 4px; }
  .post-tags       { justify-content: flex-start; }
  .project-content { grid-template-columns: 1fr; gap: 0.5rem; }
}
@media (max-width: 560px) {
  .chrome-inner { flex-wrap: wrap; gap: 0.5rem 1rem; }
  .nav          { width: 100%; justify-content: space-between; gap: 0.4rem; font-size: 0.72rem; }
}

/* ---------- contact form (about page) -------------------------------- */
.contact-form { display: flex; flex-direction: column; gap: 0.3rem; max-width: 44ch; margin-top: 1.25rem; }
.contact-form label {
  font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--page-fg-3); margin-top: 0.7rem;
}
.contact-form input, .contact-form textarea {
  font: inherit;
  color: var(--page-fg);
  background: none;
  border: 1px solid var(--rule-strong);
  padding: 0.55rem 0.65rem;
}
.contact-form textarea { resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--ink-accent); }
.contact-form button { align-self: flex-start; margin-top: 1rem; cursor: pointer; }
.contact-form button:disabled { opacity: 0.5; cursor: default; }
.contact-status { min-height: 1.2rem; font-size: 0.85rem; margin-top: 0.6rem; color: var(--page-fg-2); }
.contact-status.ok { color: var(--ink-accent); }
.contact-status.err { color: var(--err); }
.cw-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- print --------------------------------------------------- */
/* tools with PDF/print export (3dp estimator, boat crane report) should not
   stamp the site nav + fullyparametric footer onto the printed artifact. */
@media print {
  .chrome, .site-footer { display: none; }
}