:root {
  --blog-bg: #ffffff;
  --blog-soft: #f5f7f9;
  --blog-surface: #ffffff;
  --blog-line: #e3e7ec;
  --blog-text: #111827;
  --blog-muted: #667085;
  --blog-red: #dc2626;
  --blog-red-dark: #a9161b;
  --blog-gold: #9b6a20;
  --blog-green: #137a4a;
  --blog-radius: 22px;
  --blog-shadow: 0 20px 55px rgba(16, 24, 40, .09);
}

* { box-sizing: border-box; }
html { max-width: 100%; overflow-x: hidden; scroll-behavior: smooth; }
body.blog-body {
  margin: 0;
  max-width: 100%;
  overflow-x: hidden;
  color: var(--blog-text);
  background:
    radial-gradient(circle at 4% 7%, rgba(220, 38, 38, .045), transparent 25rem),
    linear-gradient(#fff, #fff) padding-box;
  font-family: Inter, "Segoe UI", Tahoma, Arial, sans-serif;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

.blog-body img { display: block; max-width: 100%; }
.blog-body a { color: inherit; }
.blog-body .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.blog-body .skip-link {
  position: fixed; inset-block-start: 10px; inset-inline-start: 10px; z-index: 999;
  padding: .7rem 1rem; border-radius: 10px; background: #111827; color: #fff;
  transform: translateY(-160%);
}
.blog-body .skip-link:focus { transform: none; }

.blog-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  min-height: 72px; padding: .7rem clamp(1rem, 4vw, 4rem);
  border-bottom: 1px solid rgba(227, 231, 236, .92);
  background: rgba(255, 255, 255, .92); backdrop-filter: blur(18px) saturate(150%);
  box-shadow: 0 6px 24px rgba(16, 24, 40, .04);
}
.blog-brand {
  display: inline-flex; min-width: 0; align-items: center; gap: .55rem;
  direction: ltr; color: var(--blog-text); font-size: .93rem; font-weight: 900;
  letter-spacing: .04em; text-decoration: none; white-space: nowrap;
}
.blog-brand span { color: var(--blog-red); }
.blog-brand i { width: 1px; height: 20px; background: var(--blog-line); }
.blog-brand b { font-size: .82rem; }
.blog-nav { display: flex; align-items: center; gap: .35rem; }
.blog-nav a {
  padding: .55rem .8rem; border-radius: 999px; color: #596273;
  font-size: .88rem; font-weight: 750; text-decoration: none;
}
.blog-nav a:hover, .blog-nav a:focus-visible, .blog-nav a[aria-current="page"] { color: var(--blog-red-dark); background: #fff1f1; }
.blog-nav .blog-lang { color: var(--blog-text); border: 1px solid var(--blog-line); background: #fff; }

.blog-wrap { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.blog-breadcrumb { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; padding: 1.25rem 0; color: var(--blog-muted); font-size: .84rem; }
.blog-breadcrumb a { text-decoration: none; }
.blog-breadcrumb a:hover { color: var(--blog-red); }

.blog-index-hero, .article-hero {
  position: relative; overflow: hidden; border: 1px solid var(--blog-line);
  background: #fff; box-shadow: var(--blog-shadow);
}
.blog-index-hero { min-width: 0; min-height: 500px; display: grid; grid-template-columns: 1.05fr .95fr; border-radius: 32px; }
.blog-index-copy { min-width: 0; align-self: center; padding: clamp(2rem, 6vw, 5rem); z-index: 1; }
.blog-kicker {
  display: inline-flex; align-items: center; gap: .55rem; margin-bottom: 1rem;
  color: var(--blog-red); font-size: .73rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase;
}
.blog-kicker::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.blog-index-copy h1, .article-hero h1 {
  margin: 0; max-width: 16ch; color: #101828;
  font-size: clamp(2.45rem, 5.4vw, 5.35rem); line-height: 1; letter-spacing: -.055em;
}
[dir="rtl"] .blog-index-copy h1, [dir="rtl"] .article-hero h1 { letter-spacing: 0; line-height: 1.14; }
.blog-index-copy > p { max-width: 60ch; color: var(--blog-muted); font-size: clamp(1rem, 1.4vw, 1.16rem); }
.blog-index-visual { position: relative; min-width: 0; min-height: 360px; overflow: hidden; background: var(--blog-soft); }
.blog-index-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.96) 0, transparent 35%); }
[dir="rtl"] .blog-index-visual::after { background: linear-gradient(-90deg, rgba(255,255,255,.96) 0, transparent 35%); }
.blog-index-visual img { width: 100%; height: 100%; object-fit: cover; }
.blog-stats { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.7rem; }
.blog-stat { min-width: 105px; padding: .8rem 1rem; border: 1px solid var(--blog-line); border-radius: 15px; background: #fff; box-shadow: 0 7px 20px rgba(16,24,40,.045); }
.blog-stat strong { display: block; color: var(--blog-text); font-size: 1.35rem; line-height: 1; }
.blog-stat span { color: var(--blog-muted); font-size: .75rem; }

.blog-section { padding: clamp(3rem, 7vw, 6rem) 0; }
.blog-section-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 1.6rem; }
.blog-section-head h2, .article-section h2, .blog-index-faq h2 { margin: 0; color: #101828; font-size: clamp(1.7rem, 3vw, 2.7rem); line-height: 1.12; letter-spacing: -.035em; }
[dir="rtl"] .blog-section-head h2, [dir="rtl"] .article-section h2, [dir="rtl"] .blog-index-faq h2 { letter-spacing: 0; }
.blog-section-head p { max-width: 56ch; margin: 0; color: var(--blog-muted); }

.blog-tools { margin-bottom: 1rem; }
.blog-search { position: relative; display: block; width: min(100%, 640px); margin-bottom: 1rem; }
.blog-search svg { position: absolute; inset-inline-start: 1rem; top: 50%; width: 20px; height: 20px; fill: none; stroke: #7b8493; stroke-width: 1.8; stroke-linecap: round; transform: translateY(-50%); pointer-events: none; }
.blog-search input { width: 100%; min-height: 52px; padding: .75rem 1rem .75rem 3rem; border: 1px solid var(--blog-line); border-radius: 15px; outline: none; background: #fff; color: var(--blog-text); font: inherit; box-shadow: 0 7px 22px rgba(16,24,40,.04); transition: border-color .2s ease, box-shadow .2s ease; }
[dir="rtl"] .blog-search input { padding: .75rem 3rem .75rem 1rem; }
.blog-search input::placeholder { color: #9299a5; }
.blog-search input:focus { border-color: #e69090; box-shadow: 0 0 0 4px rgba(220,38,38,.08); }
.blog-filters { display: flex; gap: .55rem; overflow-x: auto; padding: 0 0 .25rem; scrollbar-width: thin; }
.blog-filter {
  flex: 0 0 auto; padding: .62rem 1rem; border: 1px solid var(--blog-line); border-radius: 999px;
  color: #4b5565; background: #fff; font: inherit; font-weight: 760; cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
}
.blog-filter:hover, .blog-filter:focus-visible { border-color: #ef9b9b; color: var(--blog-red-dark); transform: translateY(-1px); }
.blog-filter.is-active { color: #fff; border-color: var(--blog-red); background: var(--blog-red); }
.blog-feed-meta { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 0 0 1rem; color: var(--blog-muted); font-size: .8rem; }
.blog-feed-meta p { margin: 0; font-weight: 760; }
.blog-feed-meta span { display: inline-flex; align-items: center; gap: .4rem; }
.blog-feed-meta span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #22a06b; box-shadow: 0 0 0 4px #e8f7f0; }

.blog-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.15rem; }
.blog-card {
  min-width: 0; overflow: hidden; border: 1px solid var(--blog-line); border-radius: var(--blog-radius);
  background: var(--blog-surface); box-shadow: 0 9px 28px rgba(16,24,40,.055);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  content-visibility: auto; contain-intrinsic-size: 470px;
}
.blog-card:hover { transform: translateY(-5px); border-color: #edb5b5; box-shadow: 0 18px 42px rgba(16,24,40,.11); }
.blog-card[hidden] { display: none; }
.blog-feed-ready .blog-card.is-revealed { animation: card-in .36s ease both; }
@keyframes card-in { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.blog-card-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #f0f2f4; }
.blog-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.blog-card:hover .blog-card-media img { transform: scale(1.035); }
.blog-card-body { padding: 1.2rem; }
.blog-card-meta { display: flex; justify-content: space-between; gap: .6rem; color: var(--blog-muted); font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.blog-card h3 { margin: .65rem 0 .5rem; color: #101828; font-size: 1.17rem; line-height: 1.28; }
.blog-card h3 a { text-decoration: none; }
.blog-card p { margin: 0; color: var(--blog-muted); font-size: .9rem; }
.blog-card-foot { display: flex; justify-content: space-between; gap: .7rem; align-items: center; margin-top: 1rem; }
.blog-price { color: var(--blog-red-dark); font-weight: 900; }
.blog-read { color: #1f2937; font-weight: 850; font-size: .84rem; text-decoration: none; }
.blog-read:hover { color: var(--blog-red); }
.blog-feed-status { display: flex; align-items: center; justify-content: center; gap: .7rem; min-height: 70px; color: var(--blog-muted); font-size: .86rem; }
.blog-feed-status[hidden], .blog-feed-sentinel[hidden] { display: none; }
.blog-feed-spinner { width: 20px; height: 20px; border: 2px solid #e7e9ed; border-top-color: var(--blog-red); border-radius: 50%; animation: blog-spin .75s linear infinite; }
@keyframes blog-spin { to { transform: rotate(360deg); } }
.blog-feed-sentinel { height: 2px; }

.article-hero { display: grid; grid-template-columns: 1fr 1fr; min-height: 570px; border-radius: 30px; }
.article-hero-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(2rem, 5vw, 4.5rem); }
.article-hero h1 { max-width: 14ch; font-size: clamp(2.2rem, 4.2vw, 4.45rem); }
.article-deck { max-width: 58ch; margin: 1.1rem 0 0; color: var(--blog-muted); font-size: 1.05rem; }
.article-badges { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.article-badge { padding: .43rem .7rem; border: 1px solid var(--blog-line); border-radius: 999px; background: var(--blog-soft); color: #475467; font-size: .76rem; font-weight: 780; }
.article-verified { display: flex; align-items: center; gap: .45rem; margin: .9rem 0 0; color: var(--blog-green); font-size: .76rem; font-weight: 780; }
.article-verified span { display: grid; place-items: center; width: 19px; height: 19px; border-radius: 50%; background: #e9f8f0; }
.article-verified a { color: inherit; text-underline-offset: 3px; }
.article-verified a:hover { text-decoration-thickness: 2px; }
.article-price { margin-top: 1.35rem; }
.article-price span { display: block; color: var(--blog-muted); font-size: .78rem; }
.article-price strong { color: var(--blog-red-dark); font-size: clamp(1.5rem, 3vw, 2.35rem); }
.article-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.15rem; }
.article-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .7rem 1rem; border-radius: 12px; background: var(--blog-red); color: #fff; font-weight: 850; text-decoration: none; box-shadow: 0 7px 18px rgba(220,38,38,.18); }
.article-btn:hover { background: var(--blog-red-dark); }
.article-btn.secondary { background: #fff; border: 1px solid var(--blog-line); color: #344054; box-shadow: none; }
.article-hero-media { position: relative; min-height: 420px; overflow: hidden; background: var(--blog-soft); }
.article-hero-media::after { content: ""; position: absolute; inset: auto 0 0; height: 40%; background: linear-gradient(transparent, rgba(15,23,42,.7)); pointer-events: none; }
.article-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.article-hero-credit { position: absolute; inset-inline: 1rem; bottom: 1rem; z-index: 2; color: #fff; font-size: .7rem; text-shadow: 0 1px 5px #000; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: clamp(2rem, 5vw, 5rem); align-items: start; padding: clamp(2.5rem, 6vw, 5.5rem) 0; }
.article-content { min-width: 0; }
.article-toc { position: sticky; top: 92px; padding: 1.15rem; border: 1px solid var(--blog-line); border-radius: 18px; background: #fff; box-shadow: 0 10px 30px rgba(16,24,40,.055); }
.article-toc strong { display: block; margin-bottom: .65rem; color: #344054; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; }
.article-toc a { display: block; padding: .4rem 0; color: var(--blog-muted); font-size: .84rem; text-decoration: none; }
.article-toc a:hover { color: var(--blog-red); }
.article-section { padding: 2.3rem 0; border-bottom: 1px solid var(--blog-line); scroll-margin-top: 90px; }
.article-section:first-child { padding-top: 0; }
.article-section > p, .article-section li { color: #586274; }
.article-intro { color: #344054 !important; font-size: 1.14rem; }
.fact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; margin-top: 1.2rem; }
.fact { padding: 1rem; border: 1px solid var(--blog-line); border-radius: 15px; background: var(--blog-soft); }
.fact dt { color: var(--blog-muted); font-size: .75rem; }
.fact dd { margin: .25rem 0 0; color: #1f2937; font-weight: 780; }
.source-note { padding: .9rem 1rem; border-inline-start: 3px solid #c48a2c; border-radius: 0 10px 10px 0; background: #fff9ed; color: #6f614b; font-size: .84rem; }
[dir="rtl"] .source-note { border-radius: 10px 0 0 10px; }
.source-note a { color: #744a0b; font-weight: 750; }

.article-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin-top: 1.4rem; }
.article-gallery figure { position: relative; overflow: hidden; margin: 0; min-height: 240px; border: 1px solid var(--blog-line); border-radius: 18px; background: var(--blog-soft); }
.article-gallery figure:first-child { grid-column: 1 / -1; min-height: 460px; }
.article-gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.article-gallery figure:hover img { transform: scale(1.025); }
.article-gallery figcaption { position: absolute; inset: auto 0 0; padding: 2.4rem .85rem .65rem; background: linear-gradient(transparent, rgba(15,23,42,.9)); color: #fff; font-size: .69rem; }
.article-gallery figcaption a { text-decoration-color: rgba(255,255,255,.5); }

.rating-panel { margin-top: 1.2rem; padding: 1.35rem; border: 1px solid #ead9b9; border-radius: 18px; background: #fffaf0; }
.rating-panel strong { display: block; color: #855914; font-size: 1.16rem; }
.rating-panel p { margin-bottom: 0; color: #73654e; }
.variant-list, .related-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; margin-top: 1.2rem; }
.variant-link, .related-link { display: block; padding: 1rem; border: 1px solid var(--blog-line); border-radius: 15px; background: #fff; text-decoration: none; transition: border-color .2s ease, box-shadow .2s ease; }
.variant-link:hover, .related-link:hover { border-color: #e8a5a5; box-shadow: 0 8px 25px rgba(16,24,40,.06); }
.variant-link strong, .related-link strong { display: block; color: #1f2937; line-height: 1.3; }
.variant-link span, .related-link span { color: var(--blog-muted); font-size: .8rem; }
.article-faq details { margin-top: .7rem; border: 1px solid var(--blog-line); border-radius: 14px; background: #fff; }
.article-faq summary { padding: 1rem; color: #273142; cursor: pointer; font-weight: 780; }
.article-faq details[open] { border-color: #e7b4b4; box-shadow: 0 8px 24px rgba(16,24,40,.05); }
.article-faq details p { padding: 0 1rem 1rem; margin: 0; color: var(--blog-muted); }
.source-list { padding-inline-start: 1.2rem; }
.source-list a { color: #9f1d22; overflow-wrap: anywhere; }
.blog-index-faq { margin-bottom: clamp(4rem, 8vw, 7rem); padding: clamp(1.4rem, 4vw, 3rem); border: 1px solid var(--blog-line); border-radius: 26px; background: var(--blog-soft); }
.blog-index-faq details { background: #fff; }

.blog-footer { margin-top: 2rem; border-top: 1px solid var(--blog-line); background: #f7f8fa; }
.blog-footer-inner { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; padding: 2.5rem 0; }
.blog-footer strong { color: #1f2937; }
.blog-footer p { max-width: 58ch; color: var(--blog-muted); font-size: .86rem; }
.blog-footer-links { display: flex; flex-wrap: wrap; align-content: start; justify-content: flex-end; gap: .65rem 1rem; }
.blog-footer-links a { color: #596273; font-size: .84rem; text-decoration: none; }
.blog-footer-links a:hover { color: var(--blog-red); }
.blog-progress { position: fixed; top: 0; inset-inline-start: 0; z-index: 80; width: 0; height: 3px; background: linear-gradient(90deg, var(--blog-red), #f59e0b); }
.blog-empty { display: none; padding: 2rem; border: 1px dashed var(--blog-line); border-radius: 18px; color: var(--blog-muted); text-align: center; }
.blog-empty.is-visible { display: block; }

.blog-body .whatsapp-float { inset-inline-end: auto; right: max(24px, env(safe-area-inset-right)); z-index: 70; color: #fff; background: #25d366; box-shadow: 0 10px 30px rgba(18,140,80,.3); }
.blog-body .whatsapp-float svg { display: block; width: 27px; height: 27px; fill: currentColor; }

@media (max-width: 960px) {
  .blog-index-hero, .article-hero { width: 100%; grid-template-columns: minmax(0, 1fr); }
  .blog-index-visual { min-height: 290px; order: -1; }
  .blog-index-visual::after, [dir="rtl"] .blog-index-visual::after { background: linear-gradient(0deg, #fff 0, transparent 45%); }
  .blog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; order: -1; }
  .article-hero-media { order: -1; min-height: 360px; }
}

@media (max-width: 680px) {
  .blog-header { min-height: 62px; padding-inline: 1rem; gap: .5rem; }
  .blog-brand { gap: .35rem; font-size: .78rem; }
  .blog-brand b, .blog-brand i { display: none; }
  .blog-nav a:not(.blog-lang) { display: none; }
  .blog-nav a { padding: .45rem .65rem; font-size: .78rem; }
  .blog-wrap { width: calc(100% - 1.1rem); }
  .blog-index-hero, .article-hero { border-radius: 20px; }
  .blog-index-copy { padding: 1.5rem; }
  .blog-index-copy h1 { max-width: 100%; overflow-wrap: anywhere; font-size: clamp(2.05rem, 11vw, 3.1rem); }
  .blog-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; }
  .blog-stat { min-width: 0; padding: .7rem .55rem; }
  .blog-grid, .fact-grid, .variant-list, .related-grid, .blog-footer-inner { grid-template-columns: 1fr; }
  .blog-section-head { display: block; }
  .blog-section-head p { margin-top: .7rem; }
  .blog-feed-meta span { display: none; }
  .article-hero-copy { padding: 1.5rem; }
  .article-hero h1 { font-size: clamp(2rem, 10.2vw, 3.15rem); }
  .article-gallery { grid-template-columns: 1fr; }
  .article-gallery figure:first-child { grid-column: auto; min-height: 280px; }
  .article-gallery figure { min-height: 230px; }
  .blog-footer-links { justify-content: flex-start; }
  .blog-body .whatsapp-float { inset-block-end: calc(18px + env(safe-area-inset-bottom)); inset-inline-end: auto; right: max(16px, env(safe-area-inset-right)); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

@media print {
  .blog-header, .article-toc, .article-actions, .blog-footer, .blog-progress, .whatsapp-float { display: none !important; }
  body.blog-body { color: #111; background: #fff; }
  .article-hero, .fact, .rating-panel { color: #111; background: #fff; border-color: #ccc; box-shadow: none; }
  .article-layout { display: block; }
}