/* ===========================================================================
   logicprojects.net
   Layout concept: a ship's console sheet. Content set as datasheet tables,
   and a title block at the foot.
   Committed dark: navy ground, ice ink, cyan data. No light variant.
   =========================================================================== */

:root {
  color-scheme: dark;

  /* ground */
  --ground:  #0a0e15;   /* deep navy-black */
  --inset:   #111926;   /* recessed fields */
  --rule:    #1e2a3b;   /* hairlines */
  --rule-lo: #141d2a;   /* fainter hairlines */

  /* ink */
  --ink:     #d3e1ef;   /* primary text — cool, never pure white */
  --dim:     #8396ad;   /* secondary text */
  --faint:   #61748c;   /* tertiary, labels */

  /* chroma — two colors, both load-bearing */
  --mark:    #3d8bff;   /* electric blue: structure, marks, emphasis */
  --mark-lo: #1a3a6b;
  --value:   #5fd8ff;   /* cyan: data values, links */

  /* type */
  --display: "Archivo Narrow", "Archivo Narrow Fallback", Impact, sans-serif;
  --text:    "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --data:    "Space Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* measure */
  --sheet:   58rem;
  --measure: 36rem;
}

/* --- reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--value);
  outline-offset: 2px;
}

.skip {
  position: absolute; left: -9999px;
  background: var(--mark); color: var(--ground);
  padding: .6rem 1rem; z-index: 10; text-decoration: none;
  font-family: var(--data); font-size: .8rem;
}
.skip:focus { left: 1rem; top: 1rem; }

/* --- header strip --------------------------------------------------------- */
.strip {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .5rem 1.5rem;
  max-width: var(--sheet);
  margin: 0 auto;
  padding: .85rem 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.strip-id {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}
.strip-id .mark {
  width: .5rem; height: .5rem;
  background: var(--mark);
  box-shadow: 0 0 8px var(--mark);
  flex: none;
  animation: pulse 4s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1 } 50% { opacity: .35 } }
@media (prefers-reduced-motion: reduce) {
  .strip-id .mark { animation: none; }
}

.strip-nav { display: flex; flex-wrap: wrap; gap: 1.15rem; }
.strip-nav a {
  font-family: var(--data);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--dim);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.strip-nav a:hover { color: var(--ink); border-bottom-color: var(--mark); }
.strip-nav a[aria-current="page"] { color: var(--value); border-bottom-color: var(--value); }

/* --- the plate ------------------------------------------------------------ */
.plate {
  max-width: var(--sheet);
  margin: 2.25rem auto 3.5rem;
  padding: 0 1.25rem;
}

/* --- masthead ------------------------------------------------------------- */
.masthead { padding: 2.5rem 0 2.75rem; }

.masthead h1 {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: .92;
  font-size: clamp(3rem, 13vw, 7rem);
  margin: 0;
  color: var(--ink);
  text-wrap: balance;
}

.masthead-sub {
  font-size: 1.02rem;
  color: var(--dim);
  max-width: var(--measure);
  margin: 1.25rem 0 0;
  text-wrap: pretty;
}

.masthead-sub-page h1 { font-size: clamp(2.2rem, 9vw, 4rem); }

/* --- sheet sections ------------------------------------------------------- */
.sheet { padding: 2.25rem 0 0; }

.sheet > h2 {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
  font-size: 1.5rem;
  margin: 0;
  color: var(--ink);
  display: flex; align-items: center; gap: .9rem;
}
.sheet > h2::after {
  content: ""; flex: 1 1 auto; height: 1px; background: var(--rule);
}

.sheet-note {
  color: var(--faint);
  font-size: .9rem;
  margin: .45rem 0 1.35rem;
  max-width: var(--measure);
}

.sheet-more { margin: 1.25rem 0 0; font-family: var(--data); font-size: .8rem; }
.sheet-more a { color: var(--value); }

/* --- datasheet rows ------------------------------------------------------- */
.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.row { border-bottom: 1px solid var(--rule-lo); }
.row:last-child { border-bottom: 1px solid var(--rule); }

.row > a,
.row-empty {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .2rem .25rem;
  padding: .95rem .25rem;
  text-decoration: none;
  color: inherit;
}
.row > a { transition: background-color .12s linear; }
.row > a:hover { background: var(--inset); }
.row > a:hover .row-name { color: var(--value); }

.row-name {
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.12rem;
  letter-spacing: .01em;
  color: var(--ink);
  min-width: 0;
}
.row-desc { color: var(--dim); font-size: .9rem; min-width: 0; }
.row-data {
  font-family: var(--data); font-size: .74rem; color: var(--faint);
  letter-spacing: .02em; min-width: 0;
}

/* one column rhythm for every table: data field, then name over description */
@media (min-width: 46rem) {
  .row > a, .row-empty {
    grid-template-columns: 9rem minmax(0, 1fr);
    align-items: baseline;
    gap: .2rem 1.75rem;
  }
  .row-data { grid-column: 1; grid-row: 1; }
  .row-name { grid-column: 2; grid-row: 1; }
  .row-desc { grid-column: 2; grid-row: 2; }
}

/* --- document (post) ------------------------------------------------------ */
.doc { padding: 2.5rem 0 0; }

.doc-head { border-bottom: 1px solid var(--rule); padding-bottom: 1.6rem; }

.doc-meta {
  display: flex; align-items: center; gap: .9rem; flex-wrap: wrap;
  margin: 0 0 1rem;
  font-family: var(--data); font-size: .74rem; color: var(--faint);
  letter-spacing: .04em;
}
.doc-meta .tag {
  color: var(--mark);
  border: 1px solid var(--mark-lo);
  padding: .1rem .5rem;
}

.doc-head h1 {
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  letter-spacing: 0;
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  margin: 0;
  max-width: 20ch;
  text-wrap: balance;
}

.doc-lede {
  font-size: 1.05rem; color: var(--dim);
  max-width: var(--measure); margin: 1.1rem 0 0;
  text-wrap: pretty;
}

/* --- prose ---------------------------------------------------------------- */
.prose { max-width: var(--measure); padding: 2rem 0 0; }
.prose > * { margin-inline: 0; }

.prose p, .prose li { color: var(--ink); }
.prose p { margin: 0 0 1.15rem; }

.prose h2, .prose h3 {
  font-family: var(--display); font-weight: 700;
  text-transform: uppercase; letter-spacing: .02em; color: var(--ink);
}
.prose h2 { font-size: 1.3rem; margin: 2.6rem 0 .8rem;
  padding-top: .9rem; border-top: 1px solid var(--rule-lo); }
.prose h3 { font-size: 1.05rem; margin: 2rem 0 .5rem; }

.prose a { color: var(--value); text-underline-offset: 3px;
  text-decoration-color: var(--mark-lo); }
.prose a:hover { text-decoration-color: var(--value); }

.prose ul, .prose ol { padding-left: 1.2rem; margin: 0 0 1.15rem; }
.prose li { margin-bottom: .4rem; }
.prose ul { list-style: none; padding-left: 1.1rem; }
.prose ul > li { position: relative; }
.prose ul > li::before {
  content: ""; position: absolute; left: -1.1rem; top: .65em;
  width: 5px; height: 5px; background: var(--mark);
}

.prose blockquote {
  margin: 1.8rem 0; padding: .9rem 1.1rem;
  background: var(--inset);
  border-left: 2px solid var(--mark);
  color: var(--dim);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose code {
  font-family: var(--data); font-size: .85em;
  background: var(--inset); color: var(--value);
  padding: .1em .35em;
}

.prose pre {
  background: var(--inset);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--mark);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-size: .82rem; line-height: 1.6;
  margin: 1.6rem 0;
}
.prose pre code { background: none; padding: 0; color: var(--ink); font-size: inherit; }

.prose table {
  width: 100%; border-collapse: collapse; margin: 1.6rem 0;
  font-family: var(--data); font-size: .8rem;
  font-variant-numeric: tabular-nums;
}
.prose th {
  text-align: left; color: var(--faint); font-weight: 400;
  text-transform: uppercase; letter-spacing: .06em; font-size: .7rem;
  border-bottom: 1px solid var(--rule); padding: .45rem .6rem .45rem 0;
}
.prose td {
  padding: .45rem .6rem .45rem 0;
  border-bottom: 1px solid var(--rule-lo); color: var(--ink);
}

.prose img { margin: 1.8rem 0; border: 1px solid var(--rule); }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

.doc-foot {
  padding: 2.5rem 0 0;
  font-family: var(--data); font-size: .78rem;
}
.doc-foot a { color: var(--dim); text-decoration: none; }
.doc-foot a:hover { color: var(--value); }