/**
 * BSERI ISO MSS Blog — site stylesheet
 *
 * All colors and fonts flow from the site-wide brand tokens.
 * Edit `/assets/css/bseri-colors.css` and `/assets/css/bseri-fonts.css`
 * at the site root to change branding globally. Avoid adding raw hex
 * codes here — extend tokens upstream instead.
 *
 * May 2026 rebrand: deep institutional blue (#1C4484) + Fira Sans + Montserrat.
 */

@import url("../../../assets/css/bseri-fonts.css");
@import url("../../../assets/css/bseri-colors.css");

/* ── Base ─────────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family-body);
  color: var(--color-text);
  background-color: var(--color-bg-muted);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-primary-hover);
}

img {
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-sans);
  color: var(--color-text-heading);
  font-weight: 700;
  line-height: 1.25;
}

/* ── Layout ───────────────────────────────────────────────────────── */

/* Scope blog-only .container rules to <main> so the canonical
   main-site footer (which uses Bootstrap's .container inside .footer-dark)
   is not pushed around by the blog's 30px vertical margin. */
main.container {
  max-width: 1200px;
  margin: 30px auto;
  padding: 0 20px;
}

/* ── Blog grid (used on index, category, tag, search) ─────────────── */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.blog-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(28, 68, 132, 0.06);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(28, 68, 132, 0.10);
}

.blog-thumbnail {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.blog-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-content h2,
.blog-content h4 {
  font-family: var(--font-family-sans);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.blog-excerpt {
  font-family: var(--font-family-body);
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0 0 14px;
  flex: 1;
}

.read-more-btn {
  margin-top: auto;
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: 6px;
  text-decoration: none;
  font-family: var(--font-family-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background-color 0.15s ease;
  align-self: flex-start;
}

.read-more-btn:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

/* ── Page intro / empty-state messages ────────────────────────────── */

.page-intro {
  margin: 0 0 24px;
  font-family: var(--font-family-body);
  color: var(--color-text-muted);
  font-size: 15px;
}

.empty-state {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 48px 24px;
  text-align: center;
  color: var(--color-text-muted);
  font-family: var(--font-family-body);
}

.empty-state h3 {
  color: var(--color-text-heading);
  margin: 0 0 8px;
}

/* ── Author box (post.php) ────────────────────────────────────────── */

.author-box {
  display: flex;
  align-items: center;
  gap: 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 20px;
  border-radius: 12px;
  margin-top: 40px;
  box-shadow: 0 2px 8px rgba(28, 68, 132, 0.05);
}

.author-img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--color-primary);
}

/* ── Pagination (search / list pages) ─────────────────────────────── */

.pagination-list {
  display: flex;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  flex-wrap: wrap;
}

.pagination-list a,
.pagination-list span {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  font-family: var(--font-family-sans);
  font-size: 14px;
  background-color: var(--color-bg);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  text-decoration: none;
}

.pagination-list a:hover {
  background-color: var(--color-bg-muted);
  border-color: var(--color-primary);
}

.pagination-list .is-current {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  font-weight: 600;
}

/* ── 404 ──────────────────────────────────────────────────────────── */

.not-found-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
}

.not-found-page__inner {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.not-found-page__code {
  font-family: var(--font-family-sans);
  font-size: 88px;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.03em;
  margin: 0;
  line-height: 1;
}

.not-found-page__heading {
  font-family: var(--font-family-sans);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin: 12px 0 16px;
}

.not-found-page__message {
  color: var(--color-text-muted);
  font-size: 15px;
  margin-bottom: 32px;
}

/* ── Responsive: 4-col grid hint on wide screens ──────────────────── */

@media (min-width: 1100px) {
  .blog-grid.four-col {
    grid-template-columns: repeat(4, 1fr);
  }
}