/* FITIA blog (server-rendered pages at /blog). Same palette as the landing page and the app. */
:root { --brand: #cf460c; --brand-dark: #a13709; --brand-pale: #faede7; --navy: #0b2a6b; --ink: #1c2240; --muted: #5d6384; --line: #e6e8f2; --soft: #f5f6fb; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: #fff; color: var(--ink); font-family: Vazirmatn, Tahoma, sans-serif; font-size: 17px; line-height: 2; text-rendering: optimizeLegibility; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-dark); }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, #fff); outline-offset: 2px; border-radius: 4px; }
.b-wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.b-skip { position: absolute; top: -60px; inset-inline-start: 12px; padding: 8px 14px; border-radius: 8px; background: var(--navy); color: #fff; z-index: 10; }
.b-skip:focus { top: 12px; }
.b-header { position: sticky; top: 0; z-index: 5; background: #ffffffee; backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.b-header-row { display: flex; align-items: center; gap: 18px; height: 68px; }
.b-logo img { height: 40px; width: auto; }
.b-header nav { display: flex; gap: 4px; }
.b-header nav a { padding: 6px 10px; border-radius: 8px; color: var(--navy); font-size: 14px; font-weight: 600; text-decoration: none; }
.b-header nav a:hover { background: var(--brand-pale); color: var(--brand-dark); }
.b-cta, .b-button { display: inline-block; padding: 8px 16px; border: 2px solid var(--brand); border-radius: 10px; background: var(--brand); color: #fff; font-size: 14px; font-weight: 700; text-decoration: none; }
.b-cta { margin-inline-start: auto; }
.b-cta:hover, .b-button:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.b-button.b-outline { background: var(--brand-pale); color: var(--brand-dark); border-color: color-mix(in srgb, var(--brand) 35%, #fff); }
.b-intro { padding: 40px 0 10px; }
.b-intro h1 { margin: 0 0 6px; color: var(--navy); font-size: clamp(28px, 4vw, 40px); line-height: 1.4; }
.b-intro p { margin: 0; color: var(--muted); }
.b-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin: 26px 0; }
.b-card a { display: block; height: 100%; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; color: inherit; text-decoration: none; transition: box-shadow .15s ease, transform .15s ease; }
.b-card a:hover { box-shadow: 0 14px 36px #0b2a6b14; transform: translateY(-2px); }
.b-card img { aspect-ratio: 16 / 9; width: 100%; object-fit: cover; }
.b-card h2, .b-card h3 { margin: 14px 16px 4px; color: var(--navy); font-size: 18px; line-height: 1.6; }
.b-card p { margin: 0 16px 10px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.b-meta { color: var(--muted); font-size: 13px; }
.b-card .b-meta { margin-bottom: 16px; }
.b-empty { color: var(--muted); }
.b-pager { display: flex; justify-content: space-between; align-items: center; margin: 10px 0 40px; font-size: 14px; }
.b-crumbs { margin: 22px 0 0; font-size: 13px; color: var(--muted); }
.b-crumbs a { color: var(--muted); }
.b-article { width: min(760px, 100%); margin: 0 auto; }
.b-article header h1 { margin: 18px 0 6px; color: var(--navy); font-size: clamp(26px, 4vw, 38px); line-height: 1.5; }
.b-lead { margin: 10px 0 18px; color: var(--muted); font-size: 18px; }
.b-cover { margin: 0 0 22px; }
.b-cover img { width: 100%; border-radius: 16px; }
.b-toc { margin: 0 0 24px; padding: 14px 18px; border-radius: 14px; background: var(--soft); font-size: 15px; }
.b-toc ol { margin: 6px 0 0; padding-inline-start: 20px; }
.b-content h2 { margin: 34px 0 8px; color: var(--navy); font-size: 26px; line-height: 1.6; }
.b-content h3 { margin: 26px 0 6px; color: var(--navy); font-size: 21px; line-height: 1.6; }
.b-content p { margin: 0 0 18px; }
.b-content ul, .b-content ol { margin: 0 0 18px; padding-inline-start: 26px; }
.b-content blockquote { margin: 0 0 18px; padding: 10px 18px; border-inline-start: 4px solid var(--brand); border-radius: 8px; background: var(--brand-pale); }
.b-content blockquote p { margin: 0; }
.b-content figure { margin: 22px 0; }
.b-content figure img, .b-content figure video { width: 100%; border-radius: 12px; background: var(--soft); }
.b-content figcaption { margin-top: 6px; color: var(--muted); font-size: 14px; text-align: center; }
.b-content code { padding: 1px 6px; border-radius: 6px; background: var(--soft); font-size: 15px; direction: ltr; unicode-bidi: isolate; }
.b-content hr { margin: 30px 0; border: 0; border-top: 1px solid var(--line); }
.b-cta-box { width: min(760px, 100%); margin: 34px auto; padding: 22px 24px; border-radius: 18px; background: linear-gradient(135deg, var(--navy), #1f3f8f); color: #fff; }
.b-cta-box h2 { margin: 0 0 6px; font-size: 21px; line-height: 1.6; }
.b-cta-box p { margin: 0 0 12px; color: #dfe6ff; }
.b-related h2 { color: var(--navy); font-size: 22px; }
.b-footer { margin-top: 30px; padding: 20px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.b-footer a { color: var(--muted); }
@media (max-width: 900px) { .b-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  body { font-size: 16px; }
  .b-header nav a:not([href="/blog"]) { display: none; }
  .b-header-row { gap: 10px; height: 60px; }
  .b-logo img { height: 34px; }
  .b-grid { grid-template-columns: 1fr; }
  .b-content h2 { font-size: 22px; }
}