/**
 * BeMatrx Blog — Stylesheet
 *
 * New, self-contained page (index + post). Uses only design tokens that are
 * already committed/stable in style.css (--bm-*, --bm-doc-*) — deliberately
 * does NOT depend on public/assets/css/doc-pages.css or the in-progress
 * "Ephemera" tokens, both of which were mid-edit/uncommitted elsewhere in
 * this repo when this file was written.
 *
 * @package BeMatrx
 * @since 2026-07-13
 */

/* ==========================================================================
   Shared
   ========================================================================== */

.bm-blog,
.bm-blog-post {
  background: var(--bm-bg);
  min-height: 60vh;
  padding: var(--bm-doc-padding-y) 0 var(--bm-space-8);
}

/* Index page (.bm-blog) uses the site's normal .bm-container width — it's
   a card grid, not continuous prose, so it doesn't need a narrow reading
   column. .bm-blog-post (the article body) keeps the 860px cap: long-form
   text needs a capped line length for readability regardless of viewport
   width, same reasoning as .bm-sub-lead's 58ch max-width elsewhere. */
.bm-blog-post .bm-container {
  max-width: 860px;
}

.bm-blog__eyebrow,
.bm-blog-post__eyebrow {
  display: inline-block;
  font-size: var(--bm-doc-fs-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bm-primary);
  margin-bottom: var(--bm-space-2);
}

/* ==========================================================================
   Index page
   ========================================================================== */

.bm-blog__hero {
  text-align: center;
  margin-bottom: var(--bm-doc-section-gap);
}

.bm-blog__hero-title {
  font-size: var(--bm-doc-fs-h1);
  font-weight: 700;
  color: var(--bm-dark);
  letter-spacing: -0.02em;
  margin: 0 0 var(--bm-space-2);
}

.bm-blog__hero-subtitle {
  font-size: var(--bm-doc-fs-lead);
  color: var(--bm-text-muted);
  max-width: 46ch;
  margin: 0 auto;
  line-height: 1.6;
}

.bm-blog__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--bm-space-4);
}

@media (min-width: 640px) {
  .bm-blog__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 980px) {
  .bm-blog__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.bm-blog__card {
  display: flex;
  flex-direction: column;
  background: var(--bm-white);
  border: 1px solid var(--bm-border);
  border-radius: var(--bm-radius-lg);
  padding: var(--bm-space-4);
  text-decoration: none;
  box-shadow: var(--bm-shadow-sm);
  transition: transform var(--bm-dur-fast) var(--bm-ease-out),
              box-shadow var(--bm-dur-fast) var(--bm-ease-out),
              border-color var(--bm-dur-fast) var(--bm-ease-out);
}

.bm-blog__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--bm-shadow-md);
  border-color: var(--bm-border-strong);
}

.bm-blog__card-category {
  font-size: var(--bm-doc-fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bm-primary);
  margin-bottom: var(--bm-space-2);
}

.bm-blog__card-title {
  font-size: var(--bm-doc-fs-h3);
  font-weight: 700;
  color: var(--bm-dark);
  line-height: 1.3;
  margin: 0 0 var(--bm-space-2);
}

.bm-blog__card-summary {
  font-size: var(--bm-doc-fs-body);
  color: var(--bm-text-muted);
  line-height: 1.6;
  margin: 0 0 var(--bm-space-3);
  flex: 1 1 auto;
}

.bm-blog__card-meta {
  font-size: var(--bm-doc-fs-xs);
  color: var(--bm-text-subtle);
  display: flex;
  align-items: center;
  gap: var(--bm-space-2);
}

.bm-blog__card-meta::before {
  content: "";
}

.bm-blog__card-read {
  margin-top: var(--bm-space-2);
  font-size: var(--bm-doc-fs-small);
  font-weight: 600;
  color: var(--bm-primary);
}

/* ==========================================================================
   Post page
   ========================================================================== */

.bm-blog-post__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--bm-doc-fs-small);
  font-weight: 600;
  color: var(--bm-text-muted);
  margin-bottom: var(--bm-space-5);
}

.bm-blog-post__back:hover {
  color: var(--bm-primary);
}

.bm-blog-post__category {
  font-size: var(--bm-doc-fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bm-primary);
  margin-bottom: var(--bm-space-3);
}

.bm-blog-post__title {
  font-size: var(--bm-doc-fs-h1);
  font-weight: 700;
  color: var(--bm-dark);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 var(--bm-space-3);
}

.bm-blog-post__meta {
  font-size: var(--bm-doc-fs-small);
  color: var(--bm-text-subtle);
  margin: 0 0 var(--bm-doc-section-gap);
  padding-bottom: var(--bm-space-4);
  border-bottom: 1px solid var(--bm-border);
}

.bm-blog-post__body {
  font-size: var(--bm-doc-fs-body);
  line-height: 1.75;
  color: var(--bm-text);
}

.bm-blog-post__body .bm-blog-lead {
  font-size: var(--bm-doc-fs-lead);
  color: var(--bm-text);
  font-weight: 500;
  line-height: 1.6;
  margin: 0 0 var(--bm-doc-title-gap);
}

.bm-blog-post__body h2 {
  font-size: var(--bm-doc-fs-h2);
  font-weight: 700;
  color: var(--bm-dark);
  letter-spacing: -0.015em;
  margin: var(--bm-doc-section-gap) 0 var(--bm-space-3);
}

.bm-blog-post__body h3 {
  font-size: var(--bm-doc-fs-h3);
  font-weight: 600;
  color: var(--bm-dark);
  margin: var(--bm-space-5) 0 var(--bm-space-2);
}

.bm-blog-post__body p {
  margin: 0 0 var(--bm-doc-para-gap);
}

.bm-blog-post__body strong {
  color: var(--bm-dark);
  font-weight: 600;
}

.bm-blog-post__body a {
  text-decoration: underline;
  text-decoration-color: var(--bm-border-strong);
  text-underline-offset: 2px;
}

.bm-blog-post__body ul,
.bm-blog-post__body ol {
  margin: 0 0 var(--bm-space-4);
  padding-inline-start: 1.25em;
}

.bm-blog-post__body li {
  margin-bottom: var(--bm-space-2);
}

.bm-blog-post__body blockquote {
  margin: var(--bm-space-5) 0;
  padding: var(--bm-space-4) var(--bm-space-4);
  background: var(--bm-bg-alt);
  border-left: 3px solid var(--bm-primary);
  border-radius: 0 var(--bm-radius-sm) var(--bm-radius-sm) 0;
}

.bm-blog-post__body blockquote p {
  margin: 0;
  font-size: var(--bm-doc-fs-lead);
  font-weight: 500;
  color: var(--bm-dark);
  line-height: 1.6;
}

.bm-blog-post__body blockquote p + p {
  margin-top: var(--bm-space-2);
  font-size: var(--bm-doc-fs-body);
  font-weight: 400;
  color: var(--bm-text-muted);
}

.bm-blog-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--bm-space-5) 0;
  font-size: var(--bm-doc-fs-small);
}

.bm-blog-table th,
.bm-blog-table td {
  text-align: left;
  padding: var(--bm-space-2) var(--bm-space-3);
  border-bottom: 1px solid var(--bm-border);
}

.bm-blog-table th {
  color: var(--bm-text-subtle);
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--bm-doc-fs-xs);
  letter-spacing: 0.04em;
}

.bm-blog-table td:first-child,
.bm-blog-table th:first-child {
  color: var(--bm-text-subtle);
  font-weight: 600;
}

@media (max-width: 640px) {
  .bm-blog-table {
    display: block;
    overflow-x: auto;
  }
}

/* ---- Related posts ---- */

.bm-blog-related {
  margin-top: var(--bm-doc-section-gap);
  padding-top: var(--bm-space-5);
  border-top: 1px solid var(--bm-border);
}

.bm-blog-related__title {
  font-size: var(--bm-doc-fs-h4);
  font-weight: 700;
  color: var(--bm-dark);
  margin: 0 0 var(--bm-space-3);
}

.bm-blog-related__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--bm-space-3);
}

@media (min-width: 640px) {
  .bm-blog-related__list {
    grid-template-columns: 1fr 1fr;
  }
}

.bm-blog-related__item {
  display: block;
  padding: var(--bm-space-3) var(--bm-space-4);
  border: 1px solid var(--bm-border);
  border-radius: var(--bm-radius-md);
  text-decoration: none;
  transition: border-color var(--bm-dur-fast) var(--bm-ease-out);
}

.bm-blog-related__item:hover {
  border-color: var(--bm-primary);
}

.bm-blog-related__item-category {
  font-size: var(--bm-doc-fs-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bm-primary);
  display: block;
  margin-bottom: 4px;
}

.bm-blog-related__item-title {
  font-size: var(--bm-doc-fs-body);
  font-weight: 600;
  color: var(--bm-dark);
  line-height: 1.4;
}

/* ---- Subscribe CTA ---- */

.bm-blog-cta {
  margin-top: var(--bm-doc-section-gap);
  padding: var(--bm-space-6) var(--bm-space-4);
  background: var(--bm-dark);
  border-radius: var(--bm-radius-xl);
  text-align: center;
}

.bm-blog-cta__title {
  font-size: var(--bm-doc-fs-h2);
  font-weight: 700;
  color: var(--bm-white);
  margin: 0 0 var(--bm-space-2);
}

.bm-blog-cta__subtitle {
  font-size: var(--bm-doc-fs-body);
  color: var(--bm-text-on-dark-muted, rgba(255, 255, 255, 0.85));
  max-width: 52ch;
  margin: 0 auto var(--bm-space-5);
  line-height: 1.6;
}

.bm-blog-cta__form {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--bm-space-2);
  max-width: 440px;
  margin: 0 auto;
}

.bm-blog-cta__input {
  flex: 1 1 240px;
  min-width: 0;
  font: inherit;
  font-size: var(--bm-doc-fs-body);
  padding: 12px 16px;
  border-radius: var(--bm-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--bm-white);
}

.bm-blog-cta__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.bm-blog-cta__input:focus {
  outline: none;
  border-color: var(--bm-primary);
  background: rgba(255, 255, 255, 0.12);
}

.bm-blog-cta__button {
  flex: 0 0 auto;
  font: inherit;
  font-size: var(--bm-doc-fs-body);
  font-weight: 600;
  color: var(--bm-white);
  background: var(--bm-primary);
  border: none;
  border-radius: var(--bm-radius-md);
  padding: 12px 24px;
  cursor: pointer;
  transition: transform var(--bm-dur-fast) var(--bm-ease-out),
              opacity var(--bm-dur-fast) var(--bm-ease-out);
}

.bm-blog-cta__button:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.bm-blog-cta__button:disabled {
  opacity: 0.6;
  cursor: default;
  transform: none;
}

.bm-blog-cta__status {
  min-height: 1.4em;
  margin-top: var(--bm-space-3);
  font-size: var(--bm-doc-fs-small);
  color: var(--bm-text-on-dark-muted, rgba(255, 255, 255, 0.85));
}

.bm-blog-cta__status.is-ok {
  color: var(--bm-success);
}

.bm-blog-cta__status.is-error {
  color: #FCA5A5;
}

[dir="rtl"] .bm-blog-post__body blockquote {
  border-left: none;
  border-right: 3px solid var(--bm-primary);
  border-radius: var(--bm-radius-sm) 0 0 var(--bm-radius-sm);
}

[dir="rtl"] .bm-blog-table th,
[dir="rtl"] .bm-blog-table td {
  text-align: right;
}