/* ============================================================
   Design tokens
   ============================================================ */
:root {
  --ink: #12130F;
  --ink-raised: #17180F;
  --paper: #EDEAE0;
  --paper-dim: #B9B3A2;
  --brass: #8A7F6A;
  --signal: #C2582E;
  --signal-dim: #6E3520;
  --rule: #2A2B22;

  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --measure: 42rem;
  --wrap-max: 64rem;
  --pad: clamp(1.25rem, 4vw, 3rem);
}

@media (prefers-color-scheme: light) {
  :root {
    --ink: #F4F2EA;
    --ink-raised: #EAE7DC;
    --paper: #1C1B15;
    --paper-dim: #55503F;
    --brass: #7A6E56;
    --rule: #D8D3C4;
  }
}

* { box-sizing: border-box; }

html { color-scheme: dark light; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--signal-dim);
  color: var(--paper);
}

a {
  color: inherit;
  text-decoration-color: var(--brass);
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: var(--signal); }

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

.wrap {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* Text that should stay at a comfortable reading measure even
   when the outer .wrap is wide — teasers, poem body, tagline. */
.entry-teaser,
.poem-body,
.tagline {
  max-width: var(--measure);
}

/* ============================================================
   Signal line — the signature element.
   A thin rule with a small asymmetric notch, standing in for a
   transmission trace. Used to separate the header from the log,
   and between entries. Never animated, never repeated more than
   once per boundary — it marks a break, it doesn't decorate.
   ============================================================ */
.signal-line {
  width: 100%;
  height: 10px;
  display: block;
  margin: 0 auto;
}
.signal-line path {
  fill: none;
  stroke: var(--rule);
  stroke-width: 1;
}
.signal-line.accent path {
  stroke: var(--signal-dim);
}

/* ============================================================
   Header
   ============================================================ */
header.site-header {
  padding: clamp(2.5rem, 8vh, 5rem) 0 2rem;
}

.callsign {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 1.1rem;
}

h1.site-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  line-height: 1.08;
  margin: 0 0 0.9rem;
  letter-spacing: -0.01em;
}

.tagline {
  font-size: 1.05rem;
  color: var(--paper-dim);
  margin: 0 0 1.6rem;
}

.meta-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--brass);
  letter-spacing: 0.04em;
}
.meta-row strong {
  color: var(--paper);
  font-weight: 500;
}

/* ============================================================
   Entry log
   ============================================================ */
main { padding-bottom: 6rem; }

.log {
  margin-top: 1rem;
}

.entry {
  padding: 2.1rem 0;
}

.entry-date {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--brass);
  margin-bottom: 0.6rem;
}

.entry-title {
  margin: 0 0 0.55rem;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1.25;
}
.entry-title a { text-decoration: none; }
.entry-title a:hover { color: var(--signal); }

.entry-teaser {
  margin: 0;
  color: var(--paper-dim);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* ============================================================
   Poem page
   ============================================================ */
.poem-nav {
  padding: 2rem 0 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}
.poem-nav a { color: var(--brass); }
.poem-nav a:hover { color: var(--signal); }

article.poem {
  padding: 2.5rem 0 4rem;
}

.poem-title {
  font-size: clamp(1.9rem, 5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.7rem;
  letter-spacing: -0.01em;
}

.poem-date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--brass);
  letter-spacing: 0.06em;
  margin-bottom: 2.4rem;
  display: block;
}

.poem-body {
  font-size: 1.15rem;
  line-height: 1.9;
  white-space: pre-wrap;
}

.poem-body p { margin: 0 0 1.6em; }

/* ============================================================
   Footer
   ============================================================ */
footer.site-footer {
  padding: 2.5rem 0 3rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--brass);
  letter-spacing: 0.04em;
}
footer.site-footer a { color: var(--brass); }
footer.site-footer a:hover { color: var(--signal); }

/* ============================================================
   Motion
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .entry, article.poem {
    animation: rise 0.5s ease-out both;
  }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 480px) {
  .meta-row { gap: 1rem; }
  .entry-title { font-size: 1.25rem; }
}