/* Chakra Serenity — reusable components. */

/* ---------- Kicker ---------- */
.cs-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--cs-s2);
  font-family: var(--cs-font-body);
  font-size: var(--cs-fs-kicker);
  font-weight: 600;
  letter-spacing: var(--cs-ls-kicker);
  text-transform: uppercase;
  color: var(--cs-chakra, var(--cs-accent));
}
.cs-kicker::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  opacity: 0.55;
}
.cs-kicker.is-bare::before { display: none; }

/* ---------- Chakra dot ---------- */
.cs-dot {
  display: inline-block;
  width: 0.5rem; height: 0.5rem;
  border-radius: 50%;
  background: var(--cs-chakra, var(--cs-accent));
  flex: none;
}

/* ---------- Logo ----------
   One lockup, used in header, drawer and footer. Colour of the wordmark is
   inherited so the footer variant needs no separate definition. */
.cs-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--cs-s3);
  color: var(--cs-ink);
  flex: none;
}
.cs-logo-word {
  font-family: var(--cs-font-display);
  font-size: 1.28rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1;
  white-space: nowrap;
}
.cs-logo-mark { transition: transform 400ms var(--cs-ease-out); }
a.cs-logo:hover .cs-logo-mark { transform: rotate(51.4deg); } /* one petal step */

/* ---------- Badges ---------- */
.cs-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--cs-s2);
  padding: 0.3rem 0.7rem;
  border-radius: var(--cs-radius-pill);
  background: var(--cs-accent-tint);
  color: var(--cs-accent);
  font-size: var(--cs-fs-micro);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.cs-badge-gold { background: var(--cs-gold-tint); color: var(--cs-gold-dark); }

/* ---------- Buttons ---------- */
.cs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cs-s2);
  padding: 0.85rem 1.6rem;
  border-radius: var(--cs-radius-pill);
  background: var(--cs-accent);
  color: var(--cs-on-accent);
  font-weight: 600;
  font-size: var(--cs-fs-small);
  line-height: 1.3;
  box-shadow: var(--cs-shadow-sm);
  transition: background var(--cs-transition), transform var(--cs-transition), box-shadow var(--cs-transition);
}
.cs-btn:hover {
  background: var(--cs-accent-dark);
  color: var(--cs-on-accent);
  transform: translateY(-2px);
  box-shadow: var(--cs-shadow-lg);
}

.cs-btn-ghost {
  background: transparent;
  color: var(--cs-accent);
  border: 1px solid var(--cs-border-strong);
  box-shadow: none;
}
.cs-btn-ghost:hover { background: var(--cs-surface); color: var(--cs-accent-dark); border-color: var(--cs-accent-mid); }

.cs-btn-gold { background: var(--cs-gold); }
.cs-btn-gold:hover { background: var(--cs-gold-dark); }

.cs-btn-sm { padding: 0.55rem 1.1rem; font-size: var(--cs-fs-kicker); }

/* ---------- Post card ---------- */
.cs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--cs-surface);
  border: 1px solid var(--cs-border-soft);
  border-radius: var(--cs-radius);
  overflow: hidden;
  box-shadow: var(--cs-shadow-xs);
  transition: box-shadow 260ms var(--cs-ease), transform 260ms var(--cs-ease), border-color var(--cs-transition);
}
.cs-card:hover {
  box-shadow: var(--cs-shadow-lg);
  transform: translateY(-4px);
  border-color: var(--cs-border);
}

/* Hairline of chakra colour along the top — the quiet category signal. */
.cs-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--cs-chakra, var(--cs-accent));
  opacity: 0;
  transition: opacity var(--cs-transition);
  z-index: 2;
}
.cs-card:hover::before { opacity: 1; }

.cs-card-media {
  aspect-ratio: 16 / 10;
  background: var(--cs-surface-sunk);
  overflow: hidden;
}
.cs-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--cs-ease-out); }
.cs-card:hover .cs-card-media img { transform: scale(1.045); }

.cs-card-body {
  padding: var(--cs-s5);
  display: flex;
  flex-direction: column;
  gap: var(--cs-s3);
  flex: 1;
}

.cs-card-title {
  font-size: var(--cs-fs-h4);
  line-height: 1.32;
  color: var(--cs-ink);
  transition: color var(--cs-transition);
}
.cs-card:hover .cs-card-title { color: var(--cs-accent); }

.cs-card-excerpt { font-size: var(--cs-fs-small); color: var(--cs-ink-muted); line-height: 1.62; }

.cs-card-meta {
  margin-top: auto;
  padding-top: var(--cs-s3);
  border-top: 1px solid var(--cs-border-soft);
  display: flex;
  align-items: center;
  gap: var(--cs-s2);
  font-size: var(--cs-fs-micro);
  color: var(--cs-ink-faint);
  letter-spacing: 0.02em;
}

/* ---------- Table of contents ----------
   Sits inline before the first H2. Collapsed by default. */
.cs-toc {
  margin: var(--cs-s7) 0;
  background: var(--cs-accent-wash);
  border: 1px solid var(--cs-border-soft);
  border-left: 3px solid var(--cs-chakra, var(--cs-accent));
  border-radius: var(--cs-radius-sm);
  overflow: hidden;
}

.cs-toc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: var(--cs-s3);
  padding: var(--cs-s4) var(--cs-s5);
  font-family: var(--cs-font-body);
  font-size: var(--cs-fs-kicker);
  font-weight: 700;
  letter-spacing: var(--cs-ls-kicker);
  text-transform: uppercase;
  color: var(--cs-ink-soft);
  transition: background var(--cs-transition);
}
.cs-toc-head:hover { background: var(--cs-accent-tint); }

.cs-toc-label { display: inline-flex; align-items: center; gap: var(--cs-s3); }

.cs-toc-count {
  display: inline-grid;
  place-items: center;
  min-width: 1.4rem; height: 1.4rem;
  padding-inline: 0.35rem;
  border-radius: var(--cs-radius-pill);
  background: var(--cs-chakra, var(--cs-accent));
  color: #fff;
  font-size: 0.6875rem;
  letter-spacing: 0;
}

.cs-toc-chevron { transition: transform var(--cs-transition); flex: none; }
.cs-toc-head[aria-expanded="true"] .cs-toc-chevron { transform: rotate(180deg); }

.cs-toc-list {
  list-style: none;
  margin: 0;
  padding: 0 var(--cs-s5) var(--cs-s5);
  counter-reset: toc;
  font-size: var(--cs-fs-small);
}
.cs-toc-list li { counter-increment: toc; display: flex; gap: var(--cs-s3); }
.cs-toc-list li + li { margin-top: var(--cs-s3); }
.cs-toc-list li::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--cs-ink-faint);
  font-variant-numeric: tabular-nums;
  font-size: var(--cs-fs-micro);
  padding-top: 0.2em;
  flex: none;
}
.cs-toc-list a { color: var(--cs-ink-soft); line-height: 1.5; }
.cs-toc-list a:hover { color: var(--cs-chakra, var(--cs-accent)); }

/* ---------- Product / affiliate block ---------- */
.cs-product {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: var(--cs-s4);
  align-items: start;
  padding: var(--cs-s5);
  background: var(--cs-surface);
  border: 1px solid var(--cs-border-soft);
  border-radius: var(--cs-radius);
  box-shadow: var(--cs-shadow-xs);
}
.cs-product + .cs-product { margin-top: var(--cs-s4); }

.cs-product-media {
  width: 96px; aspect-ratio: 1;
  border-radius: var(--cs-radius-sm);
  background: var(--cs-surface-alt);
  overflow: hidden;
}
.cs-product-media img { width: 100%; height: 100%; object-fit: contain; }

.cs-product-name { font-size: var(--cs-fs-h4); line-height: 1.3; }
.cs-product-why  { font-size: var(--cs-fs-small); color: var(--cs-ink-muted); margin-top: var(--cs-s2); }
.cs-product-foot { margin-top: var(--cs-s4); display: flex; flex-wrap: wrap; align-items: center; gap: var(--cs-s3); }
.cs-product-price { font-weight: 700; color: var(--cs-gold-dark); font-size: var(--cs-fs-lead); }

@media (min-width: 40rem) {
  .cs-product { grid-template-columns: 128px minmax(0, 1fr); gap: var(--cs-s5); }
  .cs-product-media { width: 128px; }
}

/* ---------- Affiliate disclosure ---------- */
.cs-disclosure {
  font-size: var(--cs-fs-small);
  color: var(--cs-ink-muted);
  background: var(--cs-gold-tint);
  border: 1px solid color-mix(in srgb, var(--cs-gold) 22%, transparent);
  border-radius: var(--cs-radius-sm);
  padding: var(--cs-s4) var(--cs-s5);
  line-height: 1.6;
}
.cs-disclosure strong { color: var(--cs-gold-dark); }

/* ---------- Related posts (below content) ---------- */
.cs-related {
  margin-top: var(--cs-s8);
  padding-top: var(--cs-s7);
  border-top: 1px solid var(--cs-border);
}
.cs-related-grid {
  display: grid;
  gap: var(--cs-s5);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
  margin-top: var(--cs-s5);
}

/* ---------- Breadcrumbs ---------- */
.cs-crumbs {
  font-size: var(--cs-fs-kicker);
  color: var(--cs-ink-muted);
  display: flex; flex-wrap: wrap; gap: var(--cs-s2);
  align-items: center;
}
.cs-crumbs a:hover { color: var(--cs-accent); }
.cs-crumbs .sep { opacity: 0.4; }

/* ---------- Pagination ---------- */
.cs-pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--cs-s2); margin-top: var(--cs-s8); }
.cs-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.75rem; height: 2.75rem;
  padding-inline: var(--cs-s3);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius-pill);
  background: var(--cs-surface);
  font-size: var(--cs-fs-small); font-weight: 600;
  color: var(--cs-ink-soft);
  transition: all var(--cs-transition);
}
.cs-pagination .page-numbers:hover { border-color: var(--cs-accent); color: var(--cs-accent); }
.cs-pagination .page-numbers.current { background: var(--cs-accent); border-color: var(--cs-accent); color: var(--cs-on-accent); }

/* ---------- Back to top ---------- */
.cs-top {
  position: fixed; right: var(--cs-s5); bottom: var(--cs-s5);
  width: 2.9rem; height: 2.9rem;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--cs-surface);
  color: var(--cs-accent);
  border: 1px solid var(--cs-border);
  box-shadow: var(--cs-shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--cs-transition), transform var(--cs-transition), visibility var(--cs-transition);
  z-index: 60;
}
.cs-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.cs-top:hover { background: var(--cs-accent); color: var(--cs-on-accent); }

/* ---------- Recommended buying guides (in-article) ----------
   The informational -> commercial bridge. Styled as a distinct, warm card so
   it reads as a helpful aside rather than as an ad block. */
.cs-guides {
  margin-top: var(--cs-s7);
  padding: var(--cs-s5) var(--cs-s6);
  background: var(--cs-gold-tint);
  border: 1px solid color-mix(in srgb, var(--cs-gold) 20%, transparent);
  border-radius: var(--cs-radius);
}
.cs-guides .cs-kicker { color: var(--cs-gold-dark); }
.cs-guides-list { list-style: none; margin: var(--cs-s4) 0 0; padding: 0; }
.cs-guides-list li + li { margin-top: var(--cs-s1); }
.cs-guides-list a {
  display: flex; align-items: center; gap: var(--cs-s3);
  padding: var(--cs-s3) var(--cs-s4);
  border-radius: var(--cs-radius-sm);
  font-size: var(--cs-fs-small);
  font-weight: 500;
  color: var(--cs-ink);
  transition: background var(--cs-transition), transform var(--cs-transition);
}
.cs-guides-list a:hover { background: color-mix(in srgb, var(--cs-gold) 12%, transparent); transform: translateX(3px); }
.cs-guides-list a > span:nth-child(2) { flex: 1; }
.cs-guides-list svg { color: var(--cs-gold-dark); flex: none; }