/* ============================================================
   My Kurtains — Blog / Guides
   Extends styles.css (same tokens, nav, buttons, footer).
   ============================================================ */

/* Blog pages have a light nav from the start (no dark hero) */
.nav--light { background: rgba(251,248,243,0.9); backdrop-filter: saturate(180%) blur(18px); box-shadow: 0 1px 0 var(--line); }
.nav--light .brand__name { color: var(--ink) !important; }
.nav--light .brand__mark { color: var(--brass-dk) !important; }
.nav--light .nav__links a { color: var(--ink-2) !important; }
.nav--light .btn--ghost { color: var(--ink) !important; border-color: var(--line) !important; }
.nav--light .nav__toggle span { background: var(--ink) !important; }

/* ---------- blog index ---------- */
.blog-hero { padding: calc(78px + clamp(3rem, 7vw, 6rem)) 0 clamp(2.5rem, 5vw, 4rem); background: var(--linen); }
.blog-hero .section__title { max-width: 16ch; }
.blog-hero .section__lede { margin-top: 1rem; }

.blog-filters { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.75rem; }
.chip {
  padding: .5rem 1rem; border-radius: 100px; font-size: .85rem; font-weight: 600;
  border: 1.5px solid var(--line); color: var(--ink-2); background: var(--white); cursor: pointer;
  transition: border-color .25s var(--ease), background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.chip:hover { border-color: var(--brass); transform: translateY(-1px); }
.chip.is-active { background: var(--ink); color: var(--cream); border-color: var(--ink); }

.posts { padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(4rem, 8vw, 7rem); }
.posts__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2vw, 1.6rem); }
.post-card {
  display: flex; flex-direction: column; background: var(--white); border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm); color: inherit;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.post-card__img { aspect-ratio: 16/10; overflow: hidden; background: var(--linen-2); }
.post-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.post-card:hover .post-card__img img { transform: scale(1.06); }
.post-card__body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.post-card__meta { display: flex; align-items: center; gap: .6rem; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.post-card__meta .tag { color: var(--brass-dk); }
.post-card h3 { font-family: var(--font-serif); font-weight: 500; font-size: 1.3rem; line-height: 1.2; }
.post-card p { color: var(--muted); font-size: .93rem; }
.post-card__more { margin-top: auto; padding-top: .6rem; font-weight: 600; font-size: .9rem; color: var(--brass-dk); }
.post-card.is-hidden { display: none; }
.posts__empty { text-align: center; color: var(--muted); padding: 3rem 0; display: none; }

/* ---------- single post ---------- */
.post-hero { padding-top: 78px; background: var(--linen); }
.post-hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; padding: clamp(2.5rem, 6vw, 5rem) 0; }
.post-hero .eyebrow { display: block; margin-bottom: .9rem; }
.post-hero h1 { font-family: var(--font-serif); font-weight: 400; font-size: clamp(2.1rem, 4.6vw, 3.4rem); line-height: 1.05; letter-spacing: -.015em; }
.post-hero h1 em { font-style: italic; color: var(--brass-dk); }
.post-hero .lede { color: var(--muted); font-size: 1.08rem; margin-top: 1rem; max-width: 52ch; }
.post-hero__meta { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: 1.4rem; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.post-hero__media { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.post-hero__media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }

.post-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(2rem, 5vw, 4.5rem); padding: clamp(3rem, 6vw, 5rem) 0; }
.post-body { max-width: 68ch; }
.post-body h2 { font-family: var(--font-serif); font-weight: 500; font-size: clamp(1.6rem, 2.6vw, 2.1rem); line-height: 1.15; margin: 2.6rem 0 .9rem; }
.post-body h2:first-child { margin-top: 0; }
.post-body h3 { font-size: 1.15rem; font-weight: 700; margin: 1.8rem 0 .5rem; }
.post-body p { color: var(--ink-2); font-size: 1.05rem; line-height: 1.75; margin-bottom: 1.1rem; }
.post-body ul, .post-body ol { margin: 0 0 1.2rem 1.3rem; color: var(--ink-2); font-size: 1.02rem; line-height: 1.7; }
.post-body li { margin-bottom: .45rem; }
.post-body strong { color: var(--ink); }
.post-body figure { margin: 2rem 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.post-body figure img { width: 100%; display: block; }
.post-body figcaption { font-size: .85rem; color: var(--muted); padding: .7rem 1rem; background: var(--white); }
.post-body blockquote { border-left: 3px solid var(--brass); padding: .4rem 0 .4rem 1.2rem; margin: 1.6rem 0; font-family: var(--font-serif); font-size: 1.25rem; line-height: 1.5; color: var(--ink-2); }

/* pros / cons */
.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.6rem 0 2rem; }
.proscons > div { border-radius: var(--radius); padding: 1.3rem 1.4rem; border: 1px solid var(--line); background: var(--white); }
.proscons h4 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; margin-bottom: .8rem; }
.proscons .pros h4 { color: #2f7d3a; }
.proscons .cons h4 { color: #a35b2b; }
.proscons ul { list-style: none; margin: 0; padding: 0; }
.proscons li { position: relative; padding-left: 1.5rem; margin-bottom: .55rem; font-size: .98rem; color: var(--ink-2); line-height: 1.5; }
.proscons li::before { position: absolute; left: 0; top: 0; font-weight: 700; }
.proscons .pros li::before { content: "✓"; color: #2f7d3a; }
.proscons .cons li::before { content: "–"; color: #a35b2b; }

/* spec / at-a-glance table */
.specs { width: 100%; border-collapse: collapse; margin: 1.4rem 0 2rem; font-size: .98rem; }
.specs th, .specs td { text-align: left; padding: .8rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.specs th { width: 34%; font-weight: 700; color: var(--ink); }
.specs td { color: var(--ink-2); }

/* rating dots for "at a glance" */
.dots { display: inline-flex; gap: 4px; vertical-align: middle; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); display: inline-block; }
.dots i.on { background: var(--brass); }

/* callout */
.callout { border-radius: var(--radius); padding: 1.3rem 1.5rem; background: var(--linen); border: 1px solid var(--line); margin: 1.8rem 0; }
.callout strong { display: block; margin-bottom: .3rem; }
.callout p { margin: 0; font-size: 1rem; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 1rem 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-serif); font-size: 1.5rem; color: var(--brass-dk); line-height: 1; transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: .8rem 0 0; font-size: 1rem; }

/* sidebar */
.post-aside { position: sticky; top: 100px; align-self: start; display: grid; gap: 1.2rem; }
.aside-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: var(--shadow-sm); }
.aside-card h4 { font-family: var(--font-serif); font-weight: 500; font-size: 1.3rem; margin-bottom: .5rem; }
.aside-card p { color: var(--muted); font-size: .93rem; margin-bottom: 1rem; }
.aside-card .btn { width: 100%; }
.aside-card--dark { background: var(--ink); color: var(--cream); border-color: transparent; }
.aside-card--dark h4 { color: var(--cream); }
.aside-card--dark p { color: rgba(255,255,255,.75); }
.aside-card--dark .btn--solid { background: var(--brass); color: var(--ink); }
.aside-card--dark .btn--solid:hover { background: var(--cream); }
.aside-links { list-style: none; margin: 0; padding: 0; }
.aside-links li { border-bottom: 1px solid var(--line); }
.aside-links li:last-child { border-bottom: none; }
.aside-links a { display: block; padding: .6rem 0; font-size: .95rem; font-weight: 500; color: var(--ink-2); transition: color .25s var(--ease), padding-left .25s var(--ease); }
.aside-links a:hover { color: var(--brass-dk); padding-left: .3rem; }
.aside-links a.is-current { color: var(--brass-dk); font-weight: 700; }

/* bottom CTA band on posts */
.post-cta { background: var(--ink); color: var(--cream); padding: clamp(3rem, 6vw, 5rem) 0; }
.post-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.post-cta h2 { font-family: var(--font-serif); font-weight: 400; font-size: clamp(1.7rem, 3vw, 2.4rem); line-height: 1.1; max-width: 22ch; }
.post-cta h2 em { font-style: italic; color: var(--brass); }
.post-cta p { color: rgba(255,255,255,.75); margin-top: .5rem; max-width: 46ch; }
.post-cta .btn--solid { background: var(--brass); color: var(--ink); }
.post-cta .btn--solid:hover { background: var(--cream); }

/* related posts */
.related { padding: clamp(3rem, 6vw, 5rem) 0; background: var(--linen); }
.related .section__head { margin-bottom: 2rem; }

/* breadcrumb */
.crumbs { font-size: .82rem; color: var(--muted); display: flex; gap: .5rem; flex-wrap: wrap; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--brass-dk); }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .posts__grid { grid-template-columns: repeat(2, 1fr); }
  .post-layout { grid-template-columns: 1fr; }
  .post-aside { position: static; }
}
@media (max-width: 860px) {
  .post-hero__inner { grid-template-columns: 1fr; }
  .post-hero__media img { aspect-ratio: 16/10; }
  .proscons { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .posts__grid { grid-template-columns: 1fr; }
}