/* ==========================================================================
   worldsinmyhead — shared stylesheet
   Direction: engineer's graph pad. Cool paper, cyan grid, graphite type,
   ballpoint blue for structure, grease-pencil red used exactly once per page.
   ========================================================================== */

:root {
  --paper:    #e8eae3;   /* pale cool gray-green pad stock */
  --grid:     #c2d1cb;   /* fine grid line */
  --grid-5:   #a9bdb6;   /* heavy line, every 5th square */
  --graphite: #23282a;   /* body text, wall lines */
  --ink:      #1f4e8c;   /* ballpoint blue — links, structure */
  --mark:     #b8342a;   /* grease pencil — annotations only */
  --faint:    #6b7573;   /* captions, secondary */

  --sq: 8px;             /* one graph square */
  --measure: 34rem;

  --display: "Saira Condensed", "Arial Narrow", sans-serif;
  --body: "Archivo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--graphite);
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(to right,  var(--grid) 0 1px, transparent 1px var(--sq)),
    repeating-linear-gradient(to bottom, var(--grid) 0 1px, transparent 1px var(--sq)),
    repeating-linear-gradient(to right,  var(--grid-5) 0 1px, transparent 1px calc(var(--sq) * 5)),
    repeating-linear-gradient(to bottom, var(--grid-5) 0 1px, transparent 1px calc(var(--sq) * 5));
}

.sheet {
  max-width: 1000px;
  margin: 0 auto;
  padding: calc(var(--sq) * 5) calc(var(--sq) * 3) calc(var(--sq) * 8);
}

a { color: var(--ink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 2px solid var(--mark);
  outline-offset: 3px;
}

/* --- masthead ------------------------------------------------------------ */

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--sq) * 2);
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--graphite);
  padding-bottom: var(--sq);
}

.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  letter-spacing: 0.01em;
  line-height: 1;
  margin: 0;
  text-transform: lowercase;
}

.wordmark a { color: inherit; text-decoration: none; }

.masthead nav {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.masthead nav a + a { margin-left: calc(var(--sq) * 2); }

/* --- hero ---------------------------------------------------------------- */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--sq) * 4);
  padding: calc(var(--sq) * 6) 0 calc(var(--sq) * 5);
}

@media (min-width: 62rem) {
  .hero { grid-template-columns: 22rem minmax(0, 1fr); align-items: start; }
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 var(--sq);
}

.lede {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  line-height: 1.15;
  margin: 0 0 calc(var(--sq) * 2);
}

.hero p:not(.eyebrow) { max-width: var(--measure); }

/* --- the map (signature element) ----------------------------------------- */

.map { width: 100%; height: auto; display: block; }

.map .wall   { fill: none; stroke: var(--graphite); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.map .thin   { fill: none; stroke: var(--graphite); stroke-width: 1.2; }
.map .water  { fill: none; stroke: var(--ink); stroke-width: 1.4; opacity: 0.75; }
.map .note   { fill: none; stroke: var(--mark); stroke-width: 1.4; }
.map .label  { font-family: var(--mono); font-size: 11px; fill: var(--faint); letter-spacing: 0.08em; }
.map .label-lg { font-family: var(--mono); font-size: 13px; fill: var(--graphite); letter-spacing: 0.12em; }
.map .annot  { font-family: var(--mono); font-size: 11.5px; fill: var(--mark); letter-spacing: 0.02em; }

.map .draw { stroke-dasharray: 2400; stroke-dashoffset: 2400; animation: draw 2.2s ease-out forwards; }
.map .d2 { animation-delay: 0.5s; }
.map .d3 { animation-delay: 1.0s; }
.map .fade { opacity: 0; animation: fade 0.8s ease-out 1.9s forwards; }

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  .map .draw { stroke-dashoffset: 0; animation: none; }
  .map .fade { opacity: 1; animation: none; }
}

/* --- status list --------------------------------------------------------- */

.section-rule {
  border: 0;
  border-top: 1px solid var(--graphite);
  margin: 0;
}

.section-title {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  margin: var(--sq) 0 calc(var(--sq) * 3);
}

.status { margin: 0 0 calc(var(--sq) * 6); }

.status dl {
  margin: 0;
  display: grid;
  gap: 0;
}

@media (min-width: 40rem) {
  .status dl { grid-template-columns: 12rem minmax(0, 1fr); }
}

.status dt {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  padding: var(--sq) 0 0;
  border-top: 1px dotted var(--grid-5);
}

.status dd {
  margin: 0;
  padding: var(--sq) 0 calc(var(--sq) * 2);
  color: var(--faint);
  font-size: 0.94rem;
}

@media (min-width: 40rem) {
  .status dd { border-top: 1px dotted var(--grid-5); padding-top: var(--sq); }
}

/* --- signup -------------------------------------------------------------- */

.signup { margin: 0 0 calc(var(--sq) * 6); max-width: var(--measure); }

.signup p { margin: 0 0 calc(var(--sq) * 2); }

.signup form { display: flex; flex-wrap: wrap; gap: var(--sq); }

.signup input[type="email"] {
  flex: 1 1 14rem;
  min-width: 0;
  font: inherit;
  font-size: 0.95rem;
  padding: calc(var(--sq) * 1.25) calc(var(--sq) * 1.5);
  color: var(--graphite);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--graphite);
  border-radius: 0;
}

.signup input[type="email"]::placeholder { color: var(--faint); }

.signup button {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: calc(var(--sq) * 1.25) calc(var(--sq) * 2.5);
  color: var(--paper);
  background: var(--graphite);
  border: 1px solid var(--graphite);
  border-radius: 0;
  cursor: pointer;
}

.signup button:hover { background: var(--ink); border-color: var(--ink); }

.fineprint { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); margin: var(--sq) 0 0; }

/* --- devlog list --------------------------------------------------------- */

.entries { list-style: none; margin: 0 0 calc(var(--sq) * 6); padding: 0; }

.entries li { border-top: 1px dotted var(--grid-5); padding: calc(var(--sq) * 2) 0; }

.entries li:last-child { border-bottom: 1px dotted var(--grid-5); }

.entry-no {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--mark);
  display: block;
  margin-bottom: 2px;
}

.entry-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.2;
  margin: 0 0 4px;
}

.entry-title a { color: var(--graphite); text-decoration: none; }
.entry-title a:hover { color: var(--ink); text-decoration: underline; }

.entry-meta { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); letter-spacing: 0.06em; }

.entry-dek { margin: var(--sq) 0 0; color: var(--faint); max-width: var(--measure); font-size: 0.94rem; }

/* --- article ------------------------------------------------------------- */

.post { max-width: var(--measure); padding: calc(var(--sq) * 6) 0 calc(var(--sq) * 4); }

.post h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  line-height: 1.1;
  margin: var(--sq) 0 calc(var(--sq) * 2);
}

.post h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.02em;
  margin: calc(var(--sq) * 5) 0 var(--sq);
}

.post p { margin: 0 0 calc(var(--sq) * 2.5); }

.post img { max-width: 100%; height: auto; display: block; border: 1px solid var(--graphite); }

.post figure { margin: calc(var(--sq) * 4) 0; }

.post figcaption { font-family: var(--mono); font-size: 0.74rem; color: var(--faint); margin-top: var(--sq); }

.back { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* --- title block (drafting convention) ----------------------------------- */

.titleblock {
  border: 1px solid var(--graphite);
  background: rgba(255, 255, 255, 0.4);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  font-family: var(--mono);
  font-size: 0.72rem;
}

@media (min-width: 46rem) {
  .titleblock { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.titleblock div { padding: var(--sq) calc(var(--sq) * 1.5); border-right: 1px solid var(--graphite); border-bottom: 1px solid var(--graphite); }

.titleblock span { display: block; color: var(--faint); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.64rem; margin-bottom: 2px; }

.colophon { font-family: var(--mono); font-size: 0.7rem; color: var(--faint); margin: calc(var(--sq) * 2) 0 0; }