/* ============================================================
   TrailKind — stylesheet
   Palette: forest green + warm paper; typography-first design.
   ============================================================ */
:root {
  --green-900: #233c29;
  --green-700: #2f5d3a;
  --green-500: #4f8763;
  --green-100: #e7f0e6;
  --paper: #faf8f2;
  --ink: #26302a;
  --muted: #66716a;
  --accent: #c96f2e;   /* warm trail-orange for CTAs */
  --card: #ffffff;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(35, 60, 41, .08);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
}
img { max-width: 100%; height: auto; }
a { color: var(--green-700); }
a:hover { color: var(--accent); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.2rem; }
.wrap.narrow { max-width: 760px; }
.muted { color: var(--muted); }

/* Skip link */
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 8px; top: 8px; background: #fff; padding: .5rem 1rem; border-radius: 8px; z-index: 100; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--green-900);
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.nav {
  max-width: var(--maxw); margin: 0 auto; padding: .7rem 1.2rem;
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap;
}
.brand {
  font-size: 1.35rem; font-weight: 800; letter-spacing: .5px;
  color: #fff; text-decoration: none;
}
.brand span { color: #9fd6a4; }
.nav-links { display: flex; gap: 1.1rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.nav-links a {
  color: #cfe3cf; text-decoration: none; font-weight: 600; font-size: .95rem;
}
.nav-links a:hover { color: #fff; }
.nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.5rem; cursor: pointer; position: absolute; right: 1rem; top: .6rem; }

@media (max-width: 720px) {
  .nav { position: relative; }
  .nav-toggle { display: block; }
  .nav-links { display: none; width: 100%; flex-direction: column; gap: .4rem; padding: .5rem 0 .8rem; }
  .nav-links.open { display: flex; }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--green-900) 0%, var(--green-700) 60%, var(--green-500) 100%);
  color: #fff; text-align: center; padding: 4.5rem 1.2rem;
}
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); margin: 0 0 .8rem; font-weight: 850; }
.hero h1 em { font-style: normal; color: #ffd9b3; }
.hero p { max-width: 640px; margin: 0 auto 1.6rem; color: #dcead9; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; padding: .65rem 1.4rem; border-radius: 999px;
  background: var(--accent); color: #fff; font-weight: 700; text-decoration: none;
  border: 0; cursor: pointer; font-size: .95rem; transition: transform .08s ease, background .15s;
}
.btn:hover { background: #b45f22; color: #fff; transform: translateY(-1px); }
.btn.ghost { background: transparent; border: 1.5px solid var(--green-700); color: var(--green-700); }
.btn.ghost:hover { background: var(--green-100); color: var(--green-900); }
.btn.small { padding: .35rem .9rem; font-size: .83rem; }
.linklike { background: none; border: 0; color: var(--green-700); cursor: pointer; font: inherit; padding: 0; text-decoration: underline; }
.linklike:hover { color: var(--accent); }

/* ---------- Featured card / cards grid ---------- */
.feature-card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1.8rem 2rem; margin: 2rem 0 2.4rem;
}
.feature-card h2 { margin: .4rem 0; font-size: 1.6rem; }
.feature-card h2 a { text-decoration: none; }

.section-title { margin: 2.4rem 0 1rem; font-size: 1.35rem; }
.grid.cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.1rem; margin-bottom: 2rem;
}
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1.3rem 1.4rem; display: flex; flex-direction: column; gap: .4rem;
}
.card h3 { margin: .1rem 0; font-size: 1.12rem; line-height: 1.35; }
.card h3 a { text-decoration: none; color: inherit; }
.card h3 a:hover { color: var(--accent); }
.card p { margin: .15rem 0 .3rem; font-size: .93rem; color: #46504a; }

.cat-chip {
  display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .8px;
  text-transform: uppercase; color: var(--green-700); background: var(--green-100);
  padding: .18rem .6rem; border-radius: 999px; text-decoration: none; width: fit-content;
}
.chips { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: 2.4rem; }
.chip {
  background: #fff; border: 1.5px solid var(--green-100); border-radius: 999px;
  padding: .4rem 1.1rem; text-decoration: none; font-weight: 600; font-size: .9rem;
}
.chip:hover { border-color: var(--green-500); }

/* ---------- Post meta ---------- */
.postmeta { font-size: .85rem; color: var(--muted); }
.postmeta time { color: inherit; }

/* ---------- Article ---------- */
.article { padding: 2.4rem 0 1rem; }
.article h1 { font-size: clamp(1.7rem, 4.5vw, 2.5rem); line-height: 1.25; margin: .5rem 0; }
.crumbs { font-size: .85rem; }
.crumbs a { text-decoration: none; }
.prose { max-width: 760px; }
.prose h2 { margin-top: 2rem; font-size: 1.3rem; }
.prose img { border-radius: var(--radius); }
.related { background: var(--green-100); border-radius: var(--radius); padding: 1rem 1.3rem; margin-top: 2rem; max-width: 760px; }
.related ul { margin: .4rem 0 0; }

/* ---------- Comments ---------- */
.comments { padding: 1rem 0 3rem; }
.comment { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem 1.3rem; margin-bottom: .8rem; max-width: 720px; }
.comment-head { margin: 0; }
.stack { display: flex; flex-direction: column; gap: .8rem; max-width: 720px; }
.stack label { display: flex; flex-direction: column; gap: .25rem; font-weight: 600; font-size: .93rem; }
.stack input, .stack textarea, .stack select {
  font: inherit; padding: .55rem .8rem; border: 1.5px solid #d5dccf; border-radius: 9px; background: #fff;
}
.stack input:focus, .stack textarea:focus, .stack select:focus { outline: 2px solid var(--green-500); border-color: var(--green-500); }
.alert { padding: .6rem 1rem; border-radius: 9px; max-width: 720px; }
.alert.ok { background: #e2f2e2; color: #1c5c2b; }
.alert.err { background: #fbe4e0; color: #8f2b1e; }

.searchbar { display: flex; gap: .6rem; align-items: end; margin: 1rem 0 2rem; }
.searchbar label { flex: 1; display: flex; flex-direction: column; gap: .25rem; font-weight: 600; font-size: .93rem; }
.searchbar input { font: inherit; padding: .55rem .8rem; border: 1.5px solid #d5dccf; border-radius: 9px; }
.result { padding: .8rem 0; border-bottom: 1px solid #e7e2d6; }

/* ---------- 404 ---------- */
.error-page { padding: 4rem 0; text-align: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-900); color: #cfe3cf; margin-top: 3rem; padding: 2.4rem 1.2rem 1rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.site-footer h3, .site-footer h4 { color: #fff; margin: 0 0 .5rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer a { color: #cfe3cf; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.copyright { text-align: center; color: #87a687; font-size: .82rem; margin-top: 2rem; }