:root {
  --background: oklch(0.985 0.002 25);
  --foreground: oklch(0.18 0.012 25);
  --card: oklch(1 0 0);
  --primary: oklch(0.59 0.245 27);
  --primary-foreground: oklch(0.99 0.002 270);
  --muted-foreground: oklch(0.48 0.018 25);
  --border: oklch(0.905 0.008 25);
  --page-gutter: 1.25rem;
  --content-wide: 76rem;
  --font-sans: "Vazirmatn", "Segoe UI", Tahoma, Arial, sans-serif;
}
.dark {
  --background: oklch(0.135 0.009 25);
  --foreground: oklch(0.965 0.004 25);
  --card: oklch(0.18 0.012 25);
  --primary: oklch(0.65 0.245 27);
  --muted-foreground: oklch(0.7 0.014 25);
  --border: oklch(0.3 0.015 25);
}
@font-face {
  font-family: Vazirmatn;
  src: url("/fonts/Vazirmatn.woff2") format("woff2");
  font-display: swap;
}
* { box-sizing: border-box; }
html { height: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100%;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  color: var(--foreground);
  background: var(--background);
  background-image:
    radial-gradient(circle at 50% -12rem, color-mix(in oklch, var(--primary) 12%, transparent), transparent 34rem),
    linear-gradient(135deg, color-mix(in oklch, var(--foreground) 3.5%, transparent) 1px, transparent 1px),
    linear-gradient(45deg, color-mix(in oklch, var(--foreground) 3.5%, transparent) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  background-attachment: fixed;
}
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
button { font: inherit; -webkit-tap-highlight-color: transparent; }
.page-gutter { padding-inline: var(--page-gutter); }
.container-wide { width: 100%; max-width: var(--content-wide); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 60%, transparent);
  background: color-mix(in oklch, var(--background) 72%, transparent);
  backdrop-filter: blur(24px);
}
.header-inner, .footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.header-inner { height: 4rem; }
.brand { display: flex; align-items: center; gap: 0.75rem; color: var(--foreground); }
.brand > span { display: flex; flex-direction: column; }
.brand-mark {
  display: block;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  object-fit: contain;
}
.brand-name { font-size: 1.125rem; font-weight: 900; letter-spacing: -0.045em; line-height: 1; }
.brand-name span { color: var(--primary); }
.brand-sub { margin-top: 0.25rem; font-size: 0.75rem; font-weight: 500; color: var(--muted-foreground); }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.blog-link { display: none; font-size: 0.875rem; font-weight: 700; color: var(--muted-foreground); }
.blog-link:hover { color: var(--foreground); }
.lang {
  display: inline-flex;
  height: 2.25rem;
  align-items: stretch;
  border: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
  border-radius: 0.75rem;
  background: color-mix(in oklch, var(--card) 70%, transparent);
  padding: 0.25rem;
}
.lang a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  border: 0;
  border-radius: 0.5rem;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  cursor: pointer;
}
.lang a[aria-current="page"] { background: var(--foreground); color: var(--background); }
.icon-btn {
  width: 2rem;
  height: 2rem;
  border: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
  border-radius: 0.625rem;
  background: color-mix(in oklch, var(--card) 70%, transparent);
  color: var(--muted-foreground);
  cursor: pointer;
}
main { flex: 1; }
article { padding-block: 3.5rem; }
.article-inner { max-width: 48rem; margin-inline: auto; }
html[dir="rtl"] .back svg { transform: rotate(180deg); }
.crumbs { margin: 0 0 1.5rem; font-size: 0.8125rem; color: var(--muted-foreground); }
.crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem 0; list-style: none; margin: 0; padding: 0; }
.crumbs li { display: inline-flex; align-items: center; }
.crumbs li + li::before { content: "/"; margin-inline: 0.5rem; color: var(--muted-foreground); }
.crumbs a { font-weight: 700; color: var(--primary); }
.crumbs a:hover { text-decoration: underline; }
.back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
}
.category {
  display: inline-block;
  margin-top: 3rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--primary) 10%, transparent);
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
}
h1 { margin: 1.5rem 0 0; font-size: 2.25rem; font-weight: 900; letter-spacing: -0.03em; line-height: 1.1; }
.meta { margin-top: 1.25rem; font-size: 0.875rem; color: var(--muted-foreground); }
.body { margin-top: 3rem; }
.body p { margin: 0 0 1.75rem; font-size: 1.125rem; line-height: 2.25rem; color: var(--muted-foreground); }
.video-embed {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 2.5rem 0;
  overflow: hidden;
  border: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
  border-radius: 1rem;
  background: var(--card);
}
.video-embed iframe { display: block; width: 100%; height: 100%; border: 0; }
.article-screenshot { margin: 2.5rem 0; }
.article-screenshot img { display: block; width: 100%; height: auto; border: 1px solid color-mix(in oklch, var(--border) 80%, transparent); border-radius: 1rem; box-shadow: 0 1rem 2.5rem color-mix(in oklch, var(--foreground) 10%, transparent); }
.article-screenshot figcaption { margin-top: 0.75rem; font-size: 0.875rem; line-height: 1.7; color: var(--muted-foreground); }
.tested-steps { margin-top: 3rem; border: 1px solid color-mix(in oklch, var(--primary) 25%, var(--border)); border-radius: 1.25rem; background: color-mix(in oklch, var(--primary) 6%, var(--card)); padding: 1.25rem 1.35rem; }
.tested-steps h2 { margin: 0 0 1rem; font-size: 1.25rem; font-weight: 900; }
.tested-steps ol { margin: 0; padding-inline-start: 1.5rem; color: var(--muted-foreground); }
.tested-steps li { margin: 0.7rem 0; padding-inline-start: 0.35rem; line-height: 1.8; }
.source { display: inline-block; margin-top: 3rem; font-size: 0.875rem; font-weight: 700; color: var(--primary); }
.sources { margin-top: 3rem; }
.sources h2 { margin: 0 0 1rem; font-size: 1.25rem; font-weight: 900; }
.sources ul { margin: 0; padding-inline-start: 1.25rem; color: var(--muted-foreground); }
.sources li { margin: 0.5rem 0; }
.sources a { color: var(--primary); font-weight: 700; }
.watch {
  display: block;
  width: fit-content;
  margin-top: 1.5rem;
  border-radius: 1rem;
  background: var(--primary);
  padding: 0.85rem 1.25rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--primary-foreground);
}
.watch:hover { filter: brightness(1.05); }
.related { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid color-mix(in oklch, var(--border) 80%, transparent); }
.related h2 { margin: 0; font-size: 1.25rem; font-weight: 900; }
.related ul { list-style: none; margin: 1.25rem 0 0; padding: 0; display: grid; gap: 0.85rem; }
.related a {
  display: block;
  border: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
  border-radius: 1rem;
  background: color-mix(in oklch, var(--card) 70%, transparent);
  padding: 1rem 1.15rem;
}
.related a:hover { border-color: color-mix(in oklch, var(--primary) 45%, var(--border)); }
.related a span { display: block; font-weight: 800; }
.related a em { display: block; margin-top: 0.4rem; font-style: normal; font-size: 0.9rem; line-height: 1.6; color: var(--muted-foreground); }
.service-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3.5rem;
  border: 1px solid color-mix(in oklch, var(--primary) 35%, var(--border));
  border-radius: 1.25rem;
  background: color-mix(in oklch, var(--primary) 9%, var(--card));
  padding: 1.25rem 1.35rem;
}
.service-cta p { margin: 0; font-size: 1rem; font-weight: 900; line-height: 1.7; }
.service-cta-button {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  border-radius: 0.85rem;
  background: var(--primary);
  padding: 0.75rem 1rem;
  color: var(--primary-foreground);
  font-size: 0.9rem;
  font-weight: 900;
  white-space: nowrap;
}
.service-cta-button:hover { filter: brightness(1.05); }
.site-footer {
  border-top: 1px solid color-mix(in oklch, var(--border) 70%, transparent);
  background: color-mix(in oklch, var(--card) 45%, transparent);
}
.footer-brand { display: flex; align-items: center; gap: 1.25rem; }
.footer-brand .brand { gap: 0.6rem; }
.footer-brand .brand-mark { width: 2rem; height: 2rem; }
.footer-inner { padding-block: 1.75rem; }
.footer-actions { display: flex; align-items: center; gap: 1.25rem; }
.footer-bot {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid color-mix(in oklch, var(--primary) 35%, var(--border));
  border-radius: 0.75rem;
  border-color: #229ed9;
  background: #229ed9;
  padding: 0.45rem 0.75rem;
  color: #fff;
  font-size: 0.875rem;
  font-weight: 800;
}
.footer-bot:hover { border-color: #1d8fc7; background: #1d8fc7; }
.footer-link { font-size: 0.875rem; font-weight: 700; color: var(--muted-foreground); }
.footer-link:hover { color: var(--foreground); }
.footer-copy { margin: 0; font-size: 0.875rem; font-weight: 500; color: var(--muted-foreground); }
[data-locale] { display: none; }
html[lang="en"] [data-locale="en"],
html[lang="fa"] [data-locale="fa"] { display: unset; }
html[lang="en"] h1[data-locale="en"],
html[lang="fa"] h1[data-locale="fa"],
html[lang="en"] h2[data-locale="en"],
html[lang="fa"] h2[data-locale="fa"] { display: block; }
html[lang="en"] em[data-locale="en"],
html[lang="fa"] em[data-locale="fa"] { display: block; }
html[lang="en"] p[data-locale="en"],
html[lang="fa"] p[data-locale="fa"] { display: block; }
html[lang="en"] a[data-locale="en"],
html[lang="fa"] a[data-locale="fa"] { display: inline-flex; }
html[lang="en"] a.watch[data-locale="en"],
html[lang="fa"] a.watch[data-locale="fa"] { display: block; }
html[lang="en"] span[data-locale="en"],
html[lang="fa"] span[data-locale="fa"] { display: inline; }
html[lang="en"] a.footer-link[data-locale="en"],
html[lang="fa"] a.footer-link[data-locale="fa"] { display: inline-flex; }
@media (min-width: 640px) {
  :root { --page-gutter: 1.75rem; }
  .header-inner { height: 4.5rem; }
  .blog-link { display: inline-flex; }
  h1 { font-size: 3.75rem; }
  article { padding-block: 5rem; }
}
@media (max-width: 480px) {
  .service-cta { align-items: stretch; flex-direction: column; }
}
@media (min-width: 1024px) {
  :root { --page-gutter: 2rem; }
}
@media (max-width: 639px) {
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .footer-actions { flex-wrap: wrap; }
}