/* Balnet Core — کارت‌ها، فیلتر، هیرو. همه رنگ‌ها با متغیر قابل تغییرند (المنتور یا قالب). */
:root {
	--bn-primary: #4f46e5;
	--bn-primary-dark: #3730a3;
	--bn-accent: #06b6d4;
	--bn-ink: #0f172a;
	--bn-muted: #64748b;
	--bn-bg: #f8fafc;
	--bn-card: #ffffff;
	--bn-line: #e2e8f0;
	--bn-radius: 18px;
	--bn-shadow: 0 1px 2px rgba(15,23,42,.05), 0 8px 24px rgba(15,23,42,.06);
}
.bn-wrap, .bn-cats, .bn-hero { direction: rtl; font-family: inherit; color: var(--bn-ink); }

/* دکمه و چیپ */
.bn-btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 999px; border: 0; cursor: pointer; font: inherit; font-weight: 700; font-size: 14px; color: #fff !important; text-decoration: none !important; background: linear-gradient(135deg, var(--bn-primary), var(--bn-accent)); box-shadow: 0 6px 18px -6px var(--bn-primary); transition: transform .2s, box-shadow .2s; }
.bn-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px -6px var(--bn-primary); }
.bn-btn--ghost { background: transparent; color: var(--bn-primary) !important; border: 1.5px solid var(--bn-primary); box-shadow: none; }
.bn-chip { display: inline-flex; align-items: center; gap: 4px; padding: 5px 12px; border-radius: 999px; font-size: 12.5px; background: #eef2ff; color: var(--bn-primary-dark); text-decoration: none; }
.bn-chip--price { background: #ecfeff; color: #0e7490; }

/* جستجو و فیلتر */
.bn-search { max-width: 560px; margin: 0 auto 18px; }
.bn-search__input { width: 100%; padding: 15px 22px; border-radius: 999px; border: 1.5px solid var(--bn-line); background: var(--bn-card); font: inherit; font-size: 15px; box-shadow: var(--bn-shadow); outline: none; transition: border-color .2s, box-shadow .2s; }
.bn-search__input:focus { border-color: var(--bn-primary); box-shadow: 0 0 0 4px rgba(79,70,229,.12); }
.bn-filters { display: flex; gap: 8px; overflow-x: auto; padding: 4px 2px 14px; margin-bottom: 8px; scrollbar-width: thin; }
.bn-filter { flex: 0 0 auto; padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--bn-line); background: var(--bn-card); font: inherit; font-size: 13.5px; color: var(--bn-muted); cursor: pointer; transition: all .2s; }
.bn-filter:hover { color: var(--bn-primary); border-color: var(--bn-primary); }
.bn-filter.is-active { background: var(--bn-primary); border-color: var(--bn-primary); color: #fff; }

/* شبکه و کارت */
.bn-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 1024px) { .bn-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .bn-grid { grid-template-columns: 1fr; } }
.bn-card { position: relative; display: flex; flex-direction: column; gap: 10px; padding: 22px; background: var(--bn-card); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); box-shadow: var(--bn-shadow); transition: transform .25s, box-shadow .25s, border-color .25s; overflow: hidden; }
.bn-card::before { content: ""; position: absolute; inset-inline: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--bn-primary), var(--bn-accent)); opacity: 0; transition: opacity .25s; }
.bn-card:hover { transform: translateY(-4px); border-color: transparent; box-shadow: 0 18px 40px -14px rgba(79,70,229,.35); }
.bn-card:hover::before { opacity: 1; }
.bn-card.is-hidden { display: none; }
.bn-card__cat { align-self: flex-start; font-size: 12px; font-weight: 700; color: var(--bn-primary); background: #eef2ff; padding: 4px 10px; border-radius: 8px; }
.bn-card__title { margin: 0; font-size: 17px; line-height: 1.7; font-weight: 800; }
.bn-card__title a { color: inherit; text-decoration: none; }
.bn-card__excerpt { margin: 0; font-size: 14px; line-height: 1.95; color: var(--bn-muted); flex: 1; }
.bn-card__meta { display: flex; flex-wrap: wrap; gap: 6px; }
.bn-card .bn-btn { align-self: flex-start; margin-top: 4px; }
.bn-empty { text-align: center; padding: 40px 0; color: var(--bn-muted); }
.bn-more-wrap { text-align: center; margin-top: 26px; }
.bn-more[hidden] { display: none; }

/* کاشی دسته‌ها */
.bn-cats { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; }
@media (max-width: 1024px) { .bn-cats { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (max-width: 640px) { .bn-cats { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.bn-cat { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 20px; min-height: 110px; background: var(--bn-card); border: 1px solid var(--bn-line); border-radius: var(--bn-radius); box-shadow: var(--bn-shadow); text-decoration: none !important; color: var(--bn-ink); transition: all .25s; }
.bn-cat:hover { transform: translateY(-3px); border-color: var(--bn-primary); }
.bn-cat__name { font-weight: 800; font-size: 15.5px; line-height: 1.6; }
.bn-cat__count { font-size: 12.5px; color: var(--bn-muted); }
.bn-cat__arrow { position: absolute; left: 16px; bottom: 14px; color: var(--bn-primary); transition: transform .25s; }
.bn-cat:hover .bn-cat__arrow { transform: translateX(-4px); }

/* هیرو */
.bn-hero { text-align: center; padding: 80px 20px 60px; background: radial-gradient(60% 80% at 80% 0%, rgba(6,182,212,.18), transparent 60%), radial-gradient(60% 80% at 10% 10%, rgba(79,70,229,.18), transparent 60%); border-radius: 28px; }
.bn-hero__badge { display: inline-block; padding: 6px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--bn-line); font-size: 13px; color: var(--bn-primary); font-weight: 700; margin-bottom: 18px; }
.bn-hero__title { margin: 0 auto 14px; max-width: 760px; font-size: clamp(28px, 5vw, 50px); line-height: 1.45; font-weight: 900; }
.bn-hero__text { margin: 0 auto 28px; max-width: 560px; color: var(--bn-muted); line-height: 2; font-size: 16px; }
.bn-hero__form { display: flex; gap: 8px; max-width: 580px; margin: 0 auto 20px; padding: 7px; background: #fff; border-radius: 999px; box-shadow: var(--bn-shadow); border: 1px solid var(--bn-line); }
.bn-hero__form input[type=search] { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; padding: 0 18px; font: inherit; font-size: 15px; }
.bn-hero__chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }