/* Clash blog article extras:
   0. article breadcrumb + title head spacing
   1. prev/next post navigation cards (#post-nav, rendered by related.js)
   2. end-of-article download modal (created by dl-modal.js) */

/* ---------- 0. breadcrumb + article head ---------- */
.breadcrumb,
.crumb,
.blog-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: clamp(28px, 4.5vw, 48px);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-ink-mute);
}

.breadcrumb a,
.crumb a,
.blog-breadcrumb a {
  color: var(--c-ink-mute);
  text-decoration: none;
  transition: color 0.25s;
}

.breadcrumb a:hover,
.crumb a:hover,
.blog-breadcrumb a:hover { color: var(--c-accent); }

.breadcrumb > span:last-child,
.crumb .crumb-current,
.blog-breadcrumb > span:last-child { color: var(--c-ink); }

.post-article-head,
.post-hero {
  max-width: 820px;
  margin: clamp(20px, 3.5vw, 34px) 0 clamp(26px, 4vw, 42px);
}

.post-article-head h1,
.post-hero h1 { margin: 14px 0 12px; }

.post-lead,
.post-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-ink-mute);
}

/* ---------- 1. prev / next navigation ---------- */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap-panel);
  margin: 28px 0 8px;
}

.post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 22px;
  border-radius: var(--r-md);
  background: var(--glass-fill);
  border: 1px solid var(--glass-line);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-hush);
  text-decoration: none;
  transition: transform var(--dur-soft) var(--ease-drift), box-shadow var(--dur-soft) var(--ease-drift), border-color var(--dur-soft);
}

.post-nav-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
  border-color: var(--accent-mist);
}

.post-nav-next {
  grid-column: 2;
  text-align: right;
  align-items: flex-end;
}

.post-nav-prev { grid-column: 1; }

.post-nav-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-accent);
}

.post-nav-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-ink);
}

.post-nav-card:hover .post-nav-title { color: var(--c-accent-deep); }

@media (max-width: 640px) {
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-prev, .post-nav-next { grid-column: auto; }
}

/* ---------- 2. end-of-article download modal ---------- */
.dl-modal-mask {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(43, 34, 48, 0.42);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.dl-modal {
  position: relative;
  width: min(420px, 100%);
  padding: 30px 28px 26px;
  border-radius: var(--r-lg);
  background: var(--c-panel);
  border: 1px solid var(--glass-line);
  box-shadow: var(--shadow-float);
  text-align: center;
}

.dl-modal h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--c-ink);
}

.dl-modal p {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-ink-mute);
}

.dl-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--r-pill);
  background: var(--c-panel-2);
  color: var(--c-ink-mute);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--dur-soft), color var(--dur-soft);
}

.dl-modal-close:hover {
  background: var(--accent-soft);
  color: var(--c-accent);
}