.kf-product, .kf-product * { box-sizing: border-box; }

html[lang^="fa"] .kf-product, html[lang^="fa"] .kf-product * { direction: rtl; text-align: right; }
html[lang^="en"] .kf-product, html[lang^="en"] .kf-product * { direction: ltr; text-align: left; }

.kf-product .container {
  width: min(1100px, calc(100% - 32px));
  margin-inline: auto;
}

.kf-breadcrumb { margin: 18px 0; }
.kf-breadcrumb ol { list-style: none !important; padding: 0 !important; margin: 0 !important; display:flex; flex-wrap:wrap; gap:8px; }
.kf-breadcrumb li { display:inline-flex; align-items:center; gap:8px; }
.kf-breadcrumb li:not(:last-child)::after { content:"/"; opacity:.55; }
.kf-breadcrumb a { text-decoration:none !important; }

.kf-hero { padding: 10px 0 26px; }
.kf-hero__grid { display:grid; grid-template-columns: 1.05fr .95fr; gap: 22px; align-items:start; }
@media (max-width: 900px){ .kf-hero__grid { grid-template-columns: 1fr; } }

.kf-hero__media img { width:100% !important; height:auto !important; display:block !important; border-radius: 12px; }
.kf-gallery { display:flex; flex-wrap:wrap; gap:8px; margin-top: 10px; }
.kf-gallery__item { display:block; width: 72px; }
.kf-gallery__item img { width:100% !important; height:auto !important; border-radius: 10px; display:block; }

.kf-title { margin:0 0 12px !important; font-size: 28px; line-height:1.25; }
.kf-meta { margin: 8px 0 12px; opacity: .9; display:flex; gap:8px; flex-wrap:wrap; }
.kf-meta__label { font-weight: 700; }
.kf-meta__value { text-decoration:none !important; }

.kf-lead { margin: 0 0 14px !important; line-height:1.85; opacity:.9; max-width: 760px; }

.kf-actions { display:flex; flex-wrap:wrap; gap:10px; margin-top: 10px; }
.kf-btn {
  display:inline-flex; align-items:center; justify-content:center;
  height: 44px; padding: 0 16px;
  border-radius: 12px; border: 1px solid rgba(0,0,0,.16);
  text-decoration:none !important; white-space:nowrap;
}
.kf-btn--primary { font-weight:700; }

.kf-main { padding: 22px 0 60px; }
.kf-main__grid { display:grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items:start; }
@media (max-width: 900px){ .kf-main__grid { grid-template-columns: 1fr; } }

.kf-section .kf-h2, .kf-aside .kf-h2 { margin: 0 0 10px !important; font-size: 22px; line-height: 1.3; }
.kf-content { margin-top: 14px; }

.kf-list { margin: 0; padding-inline-start: 18px; }
.kf-list li { margin: 6px 0; }

.kf-box { border: 1px solid rgba(0,0,0,.12); border-radius: 14px; padding: 14px; background:#fff; margin-bottom: 14px; }

.kf-specs { margin: 0; }
.kf-specs__row { display:grid; grid-template-columns: .9fr 1.1fr; gap: 10px; padding: 8px 0; border-top: 1px solid rgba(0,0,0,.08); }
.kf-specs__row:first-child { border-top: 0; padding-top: 0; }
.kf-specs__k { font-weight: 700; }
.kf-specs__v { margin: 0; opacity: .92; }

.kf-related { padding: 10px 0 0; }
.kf-related__grid { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; margin-top: 12px; }
@media (max-width: 900px){ .kf-related__grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 520px){ .kf-related__grid { grid-template-columns: 1fr; } }

.kf-r-card { border: 1px solid rgba(0,0,0,.10); border-radius: 12px; padding: 14px; background:#fff; }
.kf-r-card__link { display:block; text-decoration:none !important; color: inherit !important; }
.kf-r-card__media img { width:100% !important; height:auto !important; border-radius: 10px; display:block; }
.kf-r-card__title { margin: 12px 0 0 !important; font-size: 16px; line-height: 1.35; }
/* ===== Hero Zoom Overlay ===== */
.kf-hero-figure{
  position: relative;
  margin: 0;
}
.kf-hero-img{
  cursor: zoom-in;
}
.kf-zoom-btn{
  position: absolute;
  inset-inline-end: 12px;
  inset-block-end: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.18);
  background: rgba(0,0,0,.55);
  color: #fff;
  cursor: pointer;

  /* 👇 مهم: هماهنگ با فونت کل سایت */
  font: inherit;
  font-family: inherit;
  font-size: inherit;
  line-height: 1;
}
.kf-zoom-btn:hover{ background: rgba(0,0,0,.65); }
.kf-zoom-ico{
  width: 18px;
  height: 18px;
  display: inline-block;
  border: 2px solid #fff;
  border-radius: 50%;
  position: relative;
}
.kf-zoom-ico::after{
  content:"";
  position:absolute;
  width: 10px;
  height: 2px;
  background:#fff;
  bottom: -5px;
  right: -6px;
  transform: rotate(45deg);
  border-radius: 2px;
}
.kf-zoom-txt{ font-weight: 700; }

/* active thumb */
.kf-gallery__item{
  border: 1px solid transparent;
  background: transparent;
  padding: 0;
  border-radius: 10px;
  cursor: pointer;
}
.kf-gallery__item.is-active{
  border-color: rgba(0,0,0,.25);
}

/* ===== Lightbox ===== */
.kf-lightbox{
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
}
.kf-lightbox[aria-hidden="false"]{
  display: block;
}
.kf-lightbox__backdrop{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.70);
}
.kf-lightbox__dialog{
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
}
.kf-lightbox__img{
  max-width: min(980px, 92vw);
  max-height: 82vh;
  width: auto;
  height: auto;
  border-radius: 12px;
  background: #111;
}
.kf-lightbox__close{
  position: absolute;
  top: 18px;
  inset-inline-end: 18px;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(0,0,0,.55);
  color: #fff;
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}
.kf-lightbox__nav{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(0,0,0,.55);
  color: #fff;
  cursor: pointer;
  font-size: 34px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.kf-lightbox__prev{ inset-inline-start: 18px; }
.kf-lightbox__next{ inset-inline-end: 18px; }

/* جلوگیری از اسکرول پس‌زمینه وقتی لایت‌باکس بازه */
html.kf-lb-open{ overflow: hidden; }