/* ==========================================================================
   Field Notes — a park journal
   Design tokens
   ========================================================================== */

:root {
  --paper: #FAFAF6;
  --paper-dim: #F2EFE6;
  --ink: #1C1B17;
  --ink-soft: #4A4842;
  --stone: #8B887E;
  --moss: #435741;
  --moss-dark: #2E3D2C;
  --tan-line: #DCD5C2;

  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --max-width: 760px;
  --edge: 24px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--moss-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--moss); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}

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

/* ---------- Masthead ---------- */

.masthead {
  padding: 56px 0 28px;
  border-bottom: 1px solid var(--tan-line);
}

.masthead-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}

.contour-mark {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.contour-mark path {
  fill: none;
  stroke: var(--moss);
  stroke-width: 1.3;
}

.site-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 25px;
  margin-bottom: 6px;
}

.site-tagline {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
  margin-top: 4px;
}

nav.site-nav {
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

nav.site-nav a {
  color: var(--ink-soft);
  margin-right: 20px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

nav.site-nav a:hover {
  color: var(--moss-dark);
  border-bottom-color: var(--moss);
}

/* ---------- Contour divider ---------- */

.divider {
  width: 100%;
  height: 14px;
  margin: 0;
}

.divider path {
  fill: none;
  stroke: var(--tan-line);
  stroke-width: 1;
}

/* ---------- Entry list (index) ---------- */

.log {
  padding: 40px 0 80px;
}

.entry {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--tan-line);
  text-decoration: none;
  color: inherit;
}

.entry:first-of-type { padding-top: 4px; }

.entry-thumb {
  width: 96px;
  height: 96px;
  object-fit: cover;
  border-radius: 2px;
  background: var(--paper-dim);
}

.entry-meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--stone);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.entry-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 19px;
  margin-bottom: 6px;
}

a.entry-link { text-decoration: none; }
a.entry-link:hover .entry-title { color: var(--moss-dark); }

.entry-excerpt {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- Post page ---------- */

.post-header {
  padding: 48px 0 0;
}

.post-meta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--stone);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.post-title {
  font-size: 38px;
  margin-bottom: 22px;
}

.post-hero {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--paper-dim);
  margin: 28px 0 8px;
  border-radius: 2px;
}

.post-body {
  padding: 20px 0 80px;
  max-width: 68ch;
}

.post-body p { margin: 0 0 22px; }

.post-body figure {
  margin: 36px 0;
}

.post-body figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: var(--paper-dim);
  border-radius: 2px;
}

.post-body figcaption {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--stone);
  margin-top: 8px;
}

.post-body blockquote {
  font-family: var(--serif);
  font-size: 22px;
  font-style: italic;
  color: var(--moss-dark);
  border-left: 2px solid var(--moss);
  padding-left: 20px;
  margin: 36px 0;
}

.post-nav {
  padding: 24px 0 70px;
  border-top: 1px solid var(--tan-line);
  margin-top: 10px;
}

.post-nav a {
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
  color: var(--ink-soft);
}

.post-nav a:hover { color: var(--moss-dark); }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--tan-line);
  padding: 28px 0 60px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--stone);
}

/* ---------- Responsive ---------- */

@media (max-width: 520px) {
  .entry { grid-template-columns: 64px 1fr; gap: 14px; }
  .entry-thumb { width: 64px; height: 64px; }
  .post-title { font-size: 30px; }
  body { font-size: 16px; }
}