/* blog.css — shared blog primitives + 3 post layout variants */

/* ---------------------------------------------------------------
   Shared primitives (used by all variants and the blog index)
   --------------------------------------------------------------- */

.post-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin-block: 0.85rem 1.3rem;
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  align-items: center;
}

.post-meta-strip .dot {
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--color-text-muted);
  opacity: 0.5;
}

.post-meta-strip .chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  background: rgba(94, 203, 255, 0.12);
  border: 1px solid rgba(162, 117, 255, 0.18);
  color: var(--color-text-main);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.post-meta-strip .chip--accent {
  background-image: linear-gradient(120deg, rgba(94, 203, 255, 0.22), rgba(162, 117, 255, 0.18));
  border-color: rgba(162, 117, 255, 0.32);
}

/* Pillar tag — used on cards and post hero */
.pillar-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.06);
  color: var(--color-text-soft);
  font-size: var(--text-xs);
  text-decoration: none;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: 1px solid rgba(15, 23, 42, 0.08);
  transition: background 0.15s ease, color 0.15s ease;
}
.pillar-tag:hover {
  background: rgba(162, 117, 255, 0.14);
  color: var(--color-text-main);
}

/* Required-qualifier callout — small, inline, never alarmist */
.qualifier-note {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin-block: 1rem;
  padding: 0.7rem 0.95rem;
  border-left: 3px solid var(--color-accent-blue);
  background: rgba(94, 203, 255, 0.08);
  border-radius: 0 0.75rem 0.75rem 0;
  font-size: var(--text-sm);
  color: var(--color-text-soft);
}
.qualifier-note__label {
  font-weight: 600;
  color: var(--color-text-main);
  white-space: nowrap;
}

/* ---------------------------------------------------------------
   Blog INDEX page
   --------------------------------------------------------------- */

.blog-index-hero {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.blog-index-hero h1 {
  font-size: var(--text-4xl);
  margin: 0.6rem 0 0.6rem;
  line-height: 1.1;
}
.blog-index-hero p.lead {
  max-width: 56ch;
  color: var(--color-text-soft);
  font-size: var(--text-lg);
  margin: 0;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block: 1.5rem 2.5rem;
}
.blog-filter__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}
.blog-filter__chip:hover {
  border-color: rgba(162, 117, 255, 0.4);
  color: var(--color-text-main);
}
.blog-filter__chip[aria-pressed="true"] {
  background-image: linear-gradient(120deg, #afe5ff, #cfb7ff);
  color: var(--color-text-main);
  border-color: transparent;
  box-shadow: 0 8px 22px rgba(162, 117, 255, 0.22);
}

.blog-card-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.blog-card {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  text-decoration: none;
  color: inherit;
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.16);
}
.blog-card__media {
  aspect-ratio: 16/9;
  border-radius: 0.9rem;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(94, 203, 255, 0.18), rgba(162, 117, 255, 0.14));
  position: relative;
}
.blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.blog-card__title {
  font-size: var(--text-xl);
  margin: 0;
  line-height: 1.25;
}
.blog-card__excerpt {
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  margin: 0;
}
.blog-card__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: auto;
}

/* Hide cards when filtered out (driven by blog.js) */
.blog-card[hidden] { display: none; }

/* ---------------------------------------------------------------
   POST shell — used by all 3 variants
   --------------------------------------------------------------- */

.post-shell {
  padding-block: clamp(2rem, 4vw, 3rem);
}
.post-shell h2 {
  font-size: clamp(1.5rem, 1.3rem + 0.8vw, 1.85rem);
  margin: 2.4rem 0 0.85rem;
  line-height: 1.25;
}
.post-shell h3 {
  font-size: var(--text-xl);
  margin: 1.4rem 0 0.6rem;
}
.post-shell p {
  line-height: 1.7;
  color: var(--color-text-soft);
  margin: 0 0 1rem;
}
.post-shell strong { color: var(--color-text-main); }
.post-shell a { color: var(--color-text-main); text-decoration: underline; text-decoration-color: rgba(162, 117, 255, 0.45); text-underline-offset: 3px; }
.post-shell a:hover { text-decoration-color: var(--color-accent-pink); }

/* ===============================================================
   VARIANT A — Architect Brief (long-form pillar / explainer)
   =============================================================== */

.post-variant-A .post-hero {
  padding-block: clamp(2rem, 4vw, 3rem);
}
.post-variant-A .post-hero h1 {
  font-size: clamp(2rem, 1.6rem + 1.5vw, 2.6rem);
  margin: 0.5rem 0 0.75rem;
  line-height: 1.1;
}
.post-variant-A .post-hero .lead {
  color: var(--color-text-soft);
  font-size: var(--text-lg);
  max-width: 62ch;
  margin: 0;
}

/* Two-column layout: TOC sidebar + main */
.post-variant-A .post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  align-items: start;
}
@media (max-width: 960px) {
  .post-variant-A .post-layout {
    grid-template-columns: 1fr;
  }
}

.post-variant-A .post-toc {
  position: sticky;
  top: 5.5rem;
  padding: 1.4rem 1.5rem;
}
.post-variant-A .post-toc__title {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin: 0 0 0.85rem;
}
.post-variant-A .post-toc__nav {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.post-variant-A .post-toc__nav a {
  text-decoration: none;
  color: var(--color-text-soft);
  font-size: var(--text-sm);
  padding: 0.2rem 0;
  border-left: 2px solid transparent;
  padding-left: 0.75rem;
  transition: color 0.15s ease, border-color 0.15s ease;
  line-height: 1.4;
}
.post-variant-A .post-toc__nav a:hover {
  color: var(--color-text-main);
  border-left-color: rgba(162, 117, 255, 0.5);
}
.post-variant-A .post-toc__nav a.is-active {
  color: var(--color-text-main);
  border-left-color: var(--color-accent-pink);
  font-weight: 500;
}
@media (max-width: 960px) {
  .post-variant-A .post-toc { position: static; }
}

/* Body + reading width */
.post-variant-A .post-body {
  max-width: 72ch;
}

/* Path cards — three options, one highlighted */
.post-paths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-block: 1.5rem 2rem;
}
@media (max-width: 760px) {
  .post-paths { grid-template-columns: 1fr; }
}
.post-paths__card {
  padding: 1.4rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
}
.post-paths__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-weight: 600;
}
.post-paths__card h3 {
  margin: 0 0 0.25rem;
  font-size: var(--text-lg);
}
.post-paths__card p {
  font-size: var(--text-sm);
  margin: 0;
}
/* `--recommended` highlight: only applied when the source article text
   explicitly marks an option as recommended (e.g. "Path 3 — recommended").
   Visual emphasis reflects the author's stated positioning — it never
   adds new editorial wording. The `__badge` UI element was removed
   because it duplicated wording already in the source text. */
.post-paths__card--recommended {
  background-image: linear-gradient(135deg, rgba(94, 203, 255, 0.16), rgba(162, 117, 255, 0.12));
  border-color: rgba(162, 117, 255, 0.4);
  box-shadow: 0 14px 32px rgba(162, 117, 255, 0.18);
}
.post-paths__card--recommended .post-paths__label {
  color: var(--color-accent-pink);
}

/* AWS components scannable grid */
.post-components {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
  margin-block: 1rem 2rem;
}
.post-component {
  padding: 0.9rem 1rem;
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--color-border-subtle);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.post-component:hover {
  transform: translateY(-2px);
  border-color: rgba(162, 117, 255, 0.32);
}
.post-component strong {
  display: block;
  font-size: var(--text-sm);
  margin-bottom: 0.2rem;
}
.post-component span {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Pull-quote band */
.post-pullquote {
  margin-block: 2rem;
  padding: 1.6rem 1.8rem;
  border-radius: var(--radius-lg);
  background-image: linear-gradient(120deg, rgba(94, 203, 255, 0.14), rgba(162, 117, 255, 0.12));
  border-left: 4px solid var(--color-accent-pink);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-text-main);
}
.post-pullquote cite {
  display: block;
  margin-top: 0.6rem;
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  font-style: normal;
  font-weight: 400;
}

/* Good-fit / not-a-fit side by side */
.post-fit-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-block: 1.5rem 2.25rem;
}
@media (max-width: 760px) {
  .post-fit-split { grid-template-columns: 1fr; }
}
.post-fit-split__col {
  padding: 1.4rem 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--color-border-subtle);
}
.post-fit-split__col h3 {
  margin: 0 0 0.85rem;
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.post-fit-split__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.post-fit-split__col li {
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.45;
}
.post-fit-split__col--good li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent-pink);
  font-weight: 700;
}
.post-fit-split__col--not li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}

/* Inline CTA mid-article */
.post-inline-cta {
  margin-block: 2rem;
  padding: 1.4rem 1.6rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.post-inline-cta p {
  margin: 0;
  font-size: var(--text-base);
  color: var(--color-text-main);
}

/* Final CTA band */
.post-final-cta {
  margin-top: 3rem;
  padding: 2rem clamp(1.4rem, 3vw, 2.5rem);
  text-align: center;
}
.post-final-cta h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.5rem, 1.3rem + 0.7vw, 1.85rem);
}
.post-final-cta p {
  margin: 0 auto 1.2rem;
  max-width: 56ch;
}

/* ===============================================================
   VARIANT B — Fit-Check Brief (skeleton — used by future short posts)
   =============================================================== */

.post-variant-B .post-hero { padding-block: clamp(2rem, 4vw, 3rem); text-align: center; }
.post-variant-B .post-hero h1 { font-size: clamp(2rem, 1.8rem + 1vw, 2.6rem); margin: 0.5rem 0 0.6rem; }
.post-variant-B .post-body { max-width: 68ch; margin: 0 auto; }
.post-variant-B .post-stat-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-block: 1.5rem 2rem; }
.post-variant-B .post-stat-tile { padding: 1.2rem; border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.8); border: 1px solid var(--color-border-subtle); text-align: center; }
.post-variant-B .post-stat-tile strong { display: block; font-size: var(--text-3xl); background-image: var(--gradient-accent); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ===============================================================
   VARIANT C — Story / Case (skeleton — used by future narrative posts)
   =============================================================== */

.post-variant-C .post-hero { padding-block: clamp(2.5rem, 5vw, 4rem); }
.post-variant-C .post-hero__media { aspect-ratio: 21/9; border-radius: var(--radius-xl); overflow: hidden; margin-block: 1.5rem; background: linear-gradient(135deg, rgba(94, 203, 255, 0.2), rgba(162, 117, 255, 0.16)); }
.post-variant-C .post-body { max-width: 65ch; margin: 0 auto; }
.post-variant-C .post-callout { margin-block: 2rem; padding: 1.5rem; border-radius: var(--radius-lg); background: rgba(94, 203, 255, 0.08); border-top: 3px solid var(--color-accent-blue); }

/* ---------------------------------------------------------------
   Pillar page
   --------------------------------------------------------------- */

.pillar-hero {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}
.pillar-hero__eyebrow {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin: 0;
}
.pillar-hero h1 {
  font-size: clamp(2.25rem, 1.8rem + 1.6vw, 2.85rem);
  margin: 0.5rem 0 0.85rem;
  line-height: 1.1;
}
.pillar-hero p.lead {
  font-size: var(--text-lg);
  color: var(--color-text-soft);
  max-width: 62ch;
  margin: 0;
}

.pillar-outline {
  margin-block: 2.5rem 2rem;
}
.pillar-outline h2 {
  font-size: var(--text-2xl);
  margin: 0 0 1rem;
}
.pillar-outline ul {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.85rem;
}
.pillar-outline li {
  padding: 1rem 1.1rem;
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border-subtle);
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  line-height: 1.45;
}

.pillar-related {
  margin-block: 2.5rem;
}
.pillar-related h2 {
  font-size: var(--text-2xl);
  margin: 0 0 1rem;
}
.pillar-related__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}
.pillar-related__card {
  padding: 1rem 1.1rem;
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--color-border-subtle);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: all 0.15s ease;
}
.pillar-related__card:hover {
  border-color: rgba(162, 117, 255, 0.4);
  transform: translateY(-2px);
}
.pillar-related__card strong { display: block; font-size: var(--text-sm); margin-bottom: 0.3rem; }
.pillar-related__card span { font-size: var(--text-xs); color: var(--color-text-muted); }