/* 817 Running — shared styles for the blog index + all post pages.
   Mirrors the client site's pattern: one stylesheet, shared across every
   post, no build step, no framework. */

:root {
  --ink: #16201c;
  --paper: #faf7f2;
  --card: #ffffff;
  --line: #e7e2d8;
  --green: #1f5f3f;
  --green-deep: #123626;
  --clay: #c1622f;
  --muted: #6b6f64;
  --radius: 14px;
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }

/* NAV */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--green-deep);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-inner {
  max-width: 1120px; margin: 0 auto; padding: .9rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: .5rem;
  color: #fff; font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
}
.nav-logo span { color: var(--clay); }
.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { color: rgba(255,255,255,.82); font-size: .95rem; }
.nav-links a:hover, .nav-links a.active { color: #fff; text-decoration: none; }
.nav-cta {
  background: var(--clay); color: #fff !important; padding: .5rem 1rem;
  border-radius: 999px; display: flex; align-items: center; gap: .4rem; font-weight: 600;
}
.nav-hamburger { display: none; flex-direction: column; gap: 4px; cursor: pointer; }
.nav-hamburger span { width: 22px; height: 2px; background: #fff; }
.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 100; background: var(--green-deep);
  padding: 2rem; flex-direction: column; gap: 1.25rem;
}
.mobile-menu a { color: #fff; font-size: 1.1rem; }
.mobile-menu.open { display: flex; }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}

/* BLOG HERO / INDEX */
.blog-hero { padding: 3.5rem 1.25rem 2.5rem; text-align: center; }
.blog-hero-inner { max-width: 700px; margin: 0 auto; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .12em; font-size: .78rem;
  color: var(--clay); font-weight: 700; margin-bottom: .6rem;
}
.eyebrow.center { text-align: center; }
.blog-hero h1 { font-family: var(--font-display); font-size: 2rem; margin: 0 0 .75rem; }
.blog-hero p { color: var(--muted); font-size: 1.05rem; }

.post-grid {
  max-width: 1120px; margin: 0 auto; padding: 0 1.25rem 4rem;
  display: grid; gap: 1.75rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.post-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
}
.post-card-image { height: 180px; background-size: cover; background-position: center; position: relative; }
.post-card-cat {
  position: absolute; top: .75rem; left: .75rem; background: rgba(18,54,38,.9); color: #fff;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  padding: .3rem .6rem; border-radius: 999px;
}
.cat-trail { background: rgba(31,95,63,.92); }
.cat-race { background: rgba(193,98,47,.92); }
.cat-groups { background: rgba(18,54,38,.92); }
.cat-heat { background: rgba(160,60,20,.92); }
.post-card-body { padding: 1.25rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.post-card-meta { font-size: .82rem; color: var(--muted); display: flex; gap: .5rem; align-items: center; }
.post-card-meta .dot::before { content: "·"; }
.post-card-body h3 { margin: 0; font-family: var(--font-display); font-size: 1.15rem; }
.post-card-body h3 a { color: var(--ink); }
.post-card-body p { margin: 0; color: var(--muted); font-size: .95rem; flex: 1; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: .4rem; font-weight: 700; color: var(--green);
  font-size: .9rem; margin-top: auto;
}
.coming-soon .post-card-image { filter: grayscale(0.4); opacity: .75; }
.coming-soon .btn-ghost { color: var(--muted); }

/* ARTICLE */
.article-hero {
  background-size: cover; background-position: center; padding: 5rem 1.25rem 3rem;
  color: #fff; position: relative;
}
.article-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(18,54,38,.55), rgba(18,54,38,.85));
}
.article-hero-inner { position: relative; max-width: 760px; margin: 0 auto; }
.article-hero .cat { display: inline-block; margin-bottom: .75rem; }
.article-hero h1 { font-family: var(--font-display); font-size: 2.2rem; margin: 0 0 .6rem; }
.article-hero .dek { font-size: 1.05rem; opacity: .92; }

.byline {
  max-width: 760px; margin: -1.5rem auto 0; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.25rem; display: flex; gap: .75rem; align-items: center;
  position: relative;
}
.byline-avatar {
  width: 40px; height: 40px; border-radius: 999px; background: var(--green);
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.byline-meta { color: var(--muted); font-size: .85rem; display: flex; gap: .4rem; }

.prose { max-width: 760px; margin: 2rem auto; padding: 0 1.25rem; }
.prose h2 { font-family: var(--font-display); margin-top: 2.2rem; }
.prose p:first-of-type { font-size: 1.1rem; }

.stat-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 1rem; margin: 1.75rem 0;
}
.stat-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem; text-align: center;
}
.stat-card .num { font-size: 1.6rem; font-weight: 700; color: var(--green); }
.stat-card .label { font-size: .8rem; color: var(--muted); margin-top: .2rem; }

.chart, .flow {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem; margin: 1.75rem 0;
}
.chart-title { font-weight: 700; }
.chart-sub { color: var(--muted); font-size: .88rem; margin-bottom: .75rem; }
.chart-source { font-size: .8rem; color: var(--muted); margin-top: .5rem; }

.figure { margin: 1.75rem 0; }
.figure figcaption { font-size: .82rem; color: var(--muted); margin-top: .5rem; }
.figure .credit { display: block; opacity: .8; }

.callout {
  background: #eef4ee; border-left: 4px solid var(--green); border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem; margin: 1.75rem 0;
}
.callout h4 { margin: 0 0 .5rem; }
.callout ul { margin: 0; padding-left: 1.1rem; }

.pullquote {
  font-family: var(--font-display); font-size: 1.3rem; font-style: italic; margin: 2rem 0;
  padding-left: 1.25rem; border-left: 3px solid var(--clay);
}
.pullquote cite { display: block; font-size: .85rem; font-style: normal; color: var(--muted); margin-top: .5rem; }

.data-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.data-table th, .data-table td { padding: .6rem .75rem; border-bottom: 1px solid var(--line); text-align: left; }
.data-table .num { text-align: right; }
.table-source { font-size: .8rem; color: var(--muted); }

.tip {
  background: #fdf3ea; border: 1px solid #eed9c3; border-radius: var(--radius);
  padding: .9rem 1.1rem; margin: 1.75rem 0; font-size: .95rem;
}

.back-link { max-width: 760px; margin: 0 auto; padding: 0 1.25rem 1rem; }

.cta-band { background: var(--green-deep); color: #fff; padding: 3rem 1.25rem; text-align: center; }
.cta-band-inner { max-width: 600px; margin: 0 auto; }
.cta-band h3 { font-family: var(--font-display); font-size: 1.6rem; margin: .5rem 0; }
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem; background: var(--clay); color: #fff !important;
  padding: .75rem 1.4rem; border-radius: 999px; font-weight: 700; margin-top: 1rem;
}

.related { max-width: 1120px; margin: 0 auto; padding: 3rem 1.25rem; }
.related h2 { font-family: var(--font-display); }
.related-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); margin-top: 1.5rem; }

/* FOOTER (shared across whole site) */
.footer { background: var(--green-deep); color: rgba(255,255,255,.85); padding: 3rem 1.25rem 1.5rem; }
.footer-inner { max-width: 1120px; margin: 0 auto; }
.footer-top { display: grid; gap: 2rem; grid-template-columns: 2fr 1fr 1fr 1fr; margin-bottom: 2rem; }
.footer-brand { font-family: var(--font-display); font-size: 1.2rem; color: #fff; margin-bottom: .5rem; }
.footer-brand span { color: var(--clay); }
.footer-tagline { font-size: .9rem; opacity: .85; }
.footer h4 { color: #fff; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 .75rem; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.footer a { color: rgba(255,255,255,.75); font-size: .9rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.25rem; font-size: .8rem; opacity: .75; }

@media (max-width: 780px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}