/* =========================================================
   مارال کویر — maralkavir.ir
   استایل مشترک سایت (سبک، بدون فریمورک)
   ========================================================= */

/* ---------- متغیرها ---------- */
:root {
  --blue: #1e3a8a;
  --navy: #172554;
  --navy-2: #0f1736;
  --gold: #f59e0b;
  --gold-dark: #b45309;
  --bg: #f6f8fb;
  --white: #ffffff;
  --text: #1f2937;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(15, 23, 54, .08);
  --shadow-lg: 0 14px 40px rgba(15, 23, 54, .14);
  --container: 1180px;
  --font: "Vazirmatn", "Segoe UI", Tahoma, Arial, sans-serif;
}

/* ---------- پایه ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-dark); }
h1, h2, h3, h4 { line-height: 1.5; color: #0f172a; margin: 0 0 .5em; font-weight: 800; }
p { margin: 0 0 1em; }
ul { padding: 0; margin: 0; list-style: none; }
::selection { background: var(--gold); color: #111; }

/* اسکرول‌بار */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: #eef2f7; }
::-webkit-scrollbar-thumb { background: var(--blue); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--navy); }

/* ---------- چیدمان ---------- */
.container { max-width: var(--container); margin-inline: auto; padding-inline: 20px; }
.section { padding: 72px 0; }
.section--alt { background: var(--white); }
.section-head { text-align: center; margin-bottom: 44px; }
.kicker { color: var(--gold-dark); font-weight: 700; font-size: .95rem; display: inline-flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.kicker::before { content: ""; width: 26px; height: 3px; background: var(--gold); border-radius: 3px; display: inline-block; }
.section-title { font-size: clamp(1.5rem, 3vw, 2.1rem); }
.section-head .rule { width: 70px; height: 3px; background: var(--blue); border-radius: 3px; margin: 14px auto 0; }
.text-center { text-align: center; }

.grid-3, .grid-4 { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- دکمه‌ها ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 10px; border: 2px solid transparent;
  font: inherit; font-weight: 700; font-size: 1rem; cursor: pointer;
  transition: all .25s; white-space: nowrap; line-height: 1.6;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 6px 18px rgba(30, 58, 138, .3); }
.btn--primary:hover { background: var(--navy); color: #fff; }
.btn--gold { background: var(--gold); color: #1c1917; box-shadow: 0 6px 18px rgba(245, 158, 11, .35); }
.btn--gold:hover { background: #e08c00; color: #111; }
.btn--outline { border-color: currentColor; color: var(--blue); background: transparent; }
.btn--outline:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn--ghost { border-color: rgba(255, 255, 255, .8); color: #fff; background: transparent; }
.btn--ghost:hover { background: #fff; color: var(--blue); }
.btn--sm { padding: 8px 18px; font-size: .92rem; }

/* ---------- هدر ---------- */
.site-header {
  background: #fff; box-shadow: 0 2px 14px rgba(15, 23, 54, .08);
  position: sticky; top: 0; z-index: 60;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 42px; height: 42px; border-radius: 11px; box-shadow: 0 4px 12px rgba(30, 58, 138, .35); }
.brand-name { font-size: 1.45rem; font-weight: 900; color: var(--blue); letter-spacing: -.02em; }
.brand-name b { color: var(--gold); font-weight: 900; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--muted); font-weight: 600; font-size: .98rem; padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--blue); }
.nav a.active { color: var(--blue); border-bottom-color: var(--gold); }
.header-actions { display: flex; align-items: center; gap: 14px; }

.burger {
  display: none; background: none; border: 0; padding: 8px; cursor: pointer;
  color: var(--blue); border-radius: 8px;
}
.burger:hover { background: var(--bg); }
.burger svg { width: 26px; height: 26px; }

.mobile-menu { background: #fff; border-top: 1px solid var(--border); box-shadow: 0 14px 24px rgba(15, 23, 54, .1); }
.mobile-menu a { display: block; padding: 12px 18px; color: var(--text); font-weight: 600; border-radius: 8px; margin: 2px 12px; }
.mobile-menu a:hover, .mobile-menu a.active { background: var(--bg); color: var(--blue); }
.mobile-menu .btn { margin: 10px 12px; }

/* ---------- هیرو (صفحه اصلی) ---------- */
.hero {
  position: relative;
  background:
    linear-gradient(100deg, rgba(15, 23, 54, .82), rgba(23, 37, 84, .55)),
    url("../img/hero-bg.svg") center / cover no-repeat;
  color: #fff;
  padding: 120px 0 150px;
}
.hero-inner { max-width: 640px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245, 158, 11, .16); border: 1px solid rgba(245, 158, 11, .45);
  color: #fbbf24; font-weight: 700; font-size: .9rem;
  padding: 6px 16px; border-radius: 999px; margin-bottom: 20px;
}
.hero-title { color: #fff; font-size: clamp(1.7rem, 4.4vw, 3rem); font-weight: 900; margin-bottom: 18px; }
.hero-sub { color: #dbe3f4; font-size: 1.08rem; font-weight: 300; margin-bottom: 32px; max-width: 560px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- کارت ویژگی‌ها ---------- */
.features { margin-top: -80px; position: relative; z-index: 5; }
.feature-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 30px 24px; text-align: center;
  border-bottom: 4px solid var(--blue);
  transition: transform .3s, box-shadow .3s;
}
.feature-card:hover { transform: translateY(-8px); }
.feature-card:nth-child(even) { border-bottom-color: var(--gold); }
.feature-icon {
  width: 62px; height: 62px; margin: 0 auto 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: #eef2ff; color: var(--blue); transition: all .3s;
}
.feature-card:nth-child(even) .feature-icon { background: #fef3c7; color: var(--gold-dark); }
.feature-card:hover .feature-icon { background: var(--blue); color: #fff; }
.feature-icon svg { width: 26px; height: 26px; }
.feature-card h3 { font-size: 1.12rem; margin-bottom: 6px; }
.feature-card p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ---------- بخش دو ستونی ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (min-width: 881px) {
  .split--reverse .split-media { order: 2; }
}
.split-media { position: relative; }
.media-frame { border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-lg); background: #e2e8f0; }
.media-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.media-frame:hover img { transform: scale(1.04); }
.float-badge {
  position: absolute; bottom: -24px; inset-inline-start: -18px;
  background: var(--gold); color: #1c1917; font-weight: 800;
  padding: 18px 26px; border-radius: 14px; box-shadow: var(--shadow-lg);
  border: 4px solid #fff; text-align: center; line-height: 1.3;
}
.float-badge span { display: block; font-size: 2rem; }
.float-badge small { font-weight: 700; font-size: .85rem; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-weight: 600; color: #334155; }
.check-list svg { width: 18px; height: 18px; color: var(--blue); flex: none; margin-top: 6px; }

/* ---------- کارت محصول ---------- */
.product-card { text-align: center; }
.product-media {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); aspect-ratio: 1; background: #e8edf5; margin-bottom: 16px;
}
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-card:hover .product-media img { transform: scale(1.08); }
.product-overlay {
  position: absolute; inset: 0; background: rgba(30, 58, 138, 0);
  display: flex; align-items: center; justify-content: center;
  color: #fff; transition: background .3s;
}
.product-card:hover .product-overlay { background: rgba(30, 58, 138, .45); }
.product-overlay svg { width: 34px; height: 34px; opacity: 0; transform: scale(.5); transition: all .3s; }
.product-card:hover .product-overlay svg { opacity: 1; transform: scale(1); }
.product-card h3 { font-size: 1.12rem; margin-bottom: 2px; transition: color .2s; }
.product-card:hover h3 { color: var(--blue); }
.product-card p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ---------- کارت خبر ---------- */
.news-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: box-shadow .3s, transform .3s;
  display: flex; flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.news-card img { width: 100%; height: 200px; object-fit: cover; }
.news-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; flex-wrap: wrap; gap: 16px; color: var(--muted); font-size: .84rem; margin-bottom: 10px; }
.news-meta span { display: inline-flex; align-items: center; gap: 6px; }
.news-meta svg { width: 15px; height: 15px; color: var(--gold-dark); }
.news-title { font-size: 1.08rem; margin-bottom: 8px; }
.news-title a { color: inherit; }
.news-title a:hover { color: var(--blue); }
.news-excerpt { color: var(--muted); font-size: .92rem; flex: 1; }
.news-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .92rem; }
.news-more svg { width: 15px; height: 15px; transition: transform .2s; }
.news-more:hover svg { transform: translateX(-4px); }

/* خبر کوتاه (بدون ادامه مطلب) */
.news-brief {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px 22px; border-inline-start: 4px solid var(--gold);
}
.news-brief .news-meta { margin-bottom: 4px; }
.news-brief h3 { font-size: 1rem; margin-bottom: 4px; }
.news-brief p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ---------- هدر صفحات داخلی ---------- */
.page-hero {
  background: linear-gradient(120deg, var(--navy-2), var(--navy) 55%, #1d3a7a);
  color: #fff; padding: 64px 0 56px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset-inline-start: -80px; bottom: -120px;
  width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, .25), transparent 70%);
}
.page-hero h1 { color: #fff; font-size: clamp(1.5rem, 3.4vw, 2.2rem); margin-bottom: 8px; }
.page-hero p { color: #c7d2ea; margin: 0; max-width: 640px; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .88rem; color: #9fb0d6; margin-bottom: 14px; }
.breadcrumb a { color: #fbbf24; }
.breadcrumb svg { width: 13px; height: 13px; }

/* ---------- آمار ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  text-align: center; padding: 30px 16px;
}
.stat-num { font-size: 2.1rem; font-weight: 900; color: var(--blue); }
.stat-num small { color: var(--gold-dark); }
.stat-label { color: var(--muted); font-weight: 600; font-size: .95rem; }

/* ---------- تایم‌لاین ---------- */
.timeline { position: relative; max-width: 760px; margin-inline: auto; padding-inline-start: 26px; }
.timeline::before { content: ""; position: absolute; inset-inline-start: 7px; top: 6px; bottom: 6px; width: 3px; background: linear-gradient(var(--gold), var(--blue)); border-radius: 3px; }
.tl-item { position: relative; padding-bottom: 34px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; inset-inline-start: -26px; top: 5px;
  width: 17px; height: 17px; border-radius: 50%; background: #fff;
  border: 4px solid var(--gold); box-shadow: 0 0 0 4px rgba(245, 158, 11, .18);
}
.tl-year { color: var(--gold-dark); font-weight: 900; font-size: 1.05rem; }
.tl-item h3 { font-size: 1.05rem; margin: 2px 0; }
.tl-item p { color: var(--muted); font-size: .94rem; margin: 0; }

/* ---------- گواهینامه‌ها ---------- */
.cert-row { display: flex; flex-wrap: wrap; gap: 18px; justify-content: center; }
.cert {
  display: inline-flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 22px; font-weight: 700; color: var(--navy); box-shadow: var(--shadow);
}
.cert svg { width: 22px; height: 22px; color: var(--gold-dark); }

/* ---------- دسته‌بندی محصولات (صفحه محصولات) ---------- */
.cat-block { padding: 40px 0; }
.cat-block + .cat-block { border-top: 1px dashed var(--border); }
.cat-head { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.cat-head img { width: 74px; height: 74px; border-radius: 14px; object-fit: cover; box-shadow: var(--shadow); flex: none; }
.cat-head h2 { font-size: 1.35rem; margin: 0; }
.cat-head p { color: var(--muted); margin: 0; font-size: .94rem; }
.prod-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.prod-item {
  background: #fff; border-radius: 12px; border: 1px solid var(--border);
  padding: 18px 20px; transition: all .25s;
}
.prod-item:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-3px); }
.prod-item h3 { font-size: 1.02rem; margin-bottom: 4px; }
.prod-code { display: inline-block; background: #eef2ff; color: var(--blue); border-radius: 6px; font-size: .78rem; font-weight: 700; padding: 1px 10px; margin-bottom: 8px; }
.prod-item p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ---------- نمایندگان ---------- */
.agent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.agent-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; border-top: 4px solid var(--blue); }
.agent-province {
  display: inline-flex; align-items: center; gap: 6px;
  background: #eef2ff; color: var(--blue); font-weight: 700; font-size: .88rem;
  border-radius: 999px; padding: 4px 14px; margin-bottom: 12px;
}
.agent-province svg { width: 14px; height: 14px; }
.agent-card h3 { font-size: 1.08rem; margin-bottom: 8px; }
.agent-card p { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .93rem; margin-bottom: 6px; }
.agent-card p svg { width: 16px; height: 16px; color: var(--gold-dark); flex: none; }

/* ---------- فرم‌ها ---------- */
.form-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 34px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: .92rem; color: #334155; }
.field label b { color: #dc2626; }
.field input, .field select, .field textarea {
  font: inherit; color: var(--text); background: #f8fafc;
  border: 1.5px solid var(--border); border-radius: 10px; padding: 11px 14px;
  transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue); background: #fff;
  box-shadow: 0 0 0 4px rgba(30, 58, 138, .1);
}
.form-status { display: none; border-radius: 10px; padding: 12px 18px; font-weight: 600; margin-top: 16px; }
.form-status.ok { display: block; background: #dcfce7; color: #14532d; }
.form-status.err { display: block; background: #fee2e2; color: #7f1d1d; }
.hp { position: absolute; inset-inline-start: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* کارت اطلاعات تماس */
.info-card {
  display: flex; gap: 14px; align-items: flex-start;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px; margin-bottom: 16px;
}
.info-icon {
  width: 48px; height: 48px; flex: none; border-radius: 12px;
  background: #eef2ff; color: var(--blue);
  display: flex; align-items: center; justify-content: center;
}
.info-icon svg { width: 22px; height: 22px; }
.info-card h3 { font-size: 1rem; margin-bottom: 2px; }
.info-card p { color: var(--muted); font-size: .94rem; margin: 0; }

/* ---------- مقاله ---------- */
.article { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: clamp(22px, 4vw, 46px); }
.article-hero { border-radius: var(--radius); overflow: hidden; margin: 20px 0 26px; }
.article-hero img { width: 100%; max-height: 380px; object-fit: cover; }
.article-body { font-size: 1.02rem; color: #334155; }
.article-body h2 { font-size: 1.25rem; margin-top: 1.6em; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.tag { background: #eef2ff; color: var(--blue); border-radius: 999px; padding: 4px 16px; font-size: .85rem; font-weight: 700; }
.back-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; margin-bottom: 20px; }
.back-link svg { width: 17px; height: 17px; }

/* ---------- فوتر ---------- */
.site-footer {
  background: var(--navy-2); color: #94a3c4;
  border-top: 5px solid var(--gold);
  padding: 64px 0 26px; position: relative; overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; inset-inline-end: -90px; bottom: -130px;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, .12), transparent 70%);
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 44px; position: relative; }
.footer-grid .brand-name { color: #fff; }
.f-about { color: #8fa1c5; font-size: .92rem; text-align: justify; margin: 18px 0 20px; }
.f-title { color: #fff; font-size: 1.05rem; font-weight: 800; display: inline-block; border-bottom: 2px solid var(--gold); padding-bottom: 6px; margin-bottom: 20px; }
.f-links li { margin-bottom: 11px; }
.f-links a { color: #94a3c4; font-size: .94rem; display: inline-flex; align-items: center; gap: 8px; }
.f-links a:hover { color: var(--gold); }
.f-links svg { width: 12px; height: 12px; color: var(--gold); }
.f-contact li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 15px; font-size: .92rem; }
.f-contact svg { width: 18px; height: 18px; color: var(--gold); flex: none; margin-top: 5px; }
.f-contact a { color: #c7d2ea; }
.f-contact a:hover { color: var(--gold); }
.social { display: flex; gap: 12px; }
.social a {
  width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .07);
  display: flex; align-items: center; justify-content: center; color: #94a3c4; transition: all .25s;
}
.social a:hover { background: var(--gold); color: #fff; transform: translateY(-3px); }
.social svg { width: 18px; height: 18px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 22px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  font-size: .82rem; color: #64748b; position: relative;
}
.footer-bottom a { color: #8fa1c5; }

/* ---------- بازگشت به بالا ---------- */
.totop {
  position: fixed; inset-inline-start: 22px; bottom: 22px; z-index: 50;
  width: 46px; height: 46px; border-radius: 12px; border: 0; cursor: pointer;
  background: var(--blue); color: #fff; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(12px); transition: all .3s;
}
.totop.show { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--gold); color: #111; }
.totop svg { width: 20px; height: 20px; }

/* ---------- صفحه 404 ---------- */
.notfound { min-height: 60vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 60px 20px; }
.notfound-code { font-size: clamp(4rem, 14vw, 7rem); font-weight: 900; color: var(--blue); line-height: 1; }
.notfound-code span { color: var(--gold); }

/* ---------- نشان در دست ساخت ---------- */
.badge-soon {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fef3c7; color: #92400e; font-weight: 700; font-size: .82rem;
  border-radius: 999px; padding: 4px 14px;
}
.card-flag {
  position: absolute; top: 12px; inset-inline-start: 12px; z-index: 2;
  background: var(--gold); color: #1c1917; font-weight: 800; font-size: .78rem;
  border-radius: 999px; padding: 3px 12px; box-shadow: var(--shadow);
}

/* ---------- جدول مشخصات ---------- */
.spec-wrap { overflow-x: auto; border-radius: var(--radius); }
.spec-table {
  width: 100%; border-collapse: collapse; background: #fff;
  box-shadow: var(--shadow); font-size: .95rem;
}
.spec-table th, .spec-table td { padding: 12px 18px; text-align: right; border-bottom: 1px solid var(--border); }
.spec-table th { background: #f1f5f9; color: var(--navy); font-weight: 700; width: 220px; white-space: nowrap; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

/* ---------- آلبوم تصاویر ---------- */
.album-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.album-grid figure { margin: 0; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.album-grid img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform .4s; }
.album-grid figure:hover img { transform: scale(1.06); }
.album-grid figcaption { padding: 12px 16px; font-size: .88rem; color: var(--muted); font-weight: 600; line-height: 1.7; }

/* ---------- سؤالات متداول ---------- */
.faq details {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 0 20px; margin-bottom: 12px; box-shadow: var(--shadow);
}
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; color: var(--navy); list-style: none; position: relative; padding-inline-end: 30px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; inset-inline-end: 0; top: 12px;
  font-size: 1.3rem; color: var(--gold-dark); font-weight: 900;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); font-size: .95rem; padding-bottom: 14px; margin: 0; }

/* ---------- واکنش‌گرا ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 880px) {
  .nav { display: none; }
  .header-actions .btn { display: none; }
  .burger { display: block; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .agent-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-list { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 90px 0 130px; }
  .section { padding: 56px 0; }
}

@media (max-width: 600px) {
  .grid-3, .grid-4, .prod-list, .agent-grid, .stats-grid, .form-grid, .footer-grid { grid-template-columns: 1fr; }
  .features { margin-top: -60px; }
  .hero { padding: 70px 0 120px; }
  .float-badge { inset-inline-start: 0; }
  .form-card { padding: 24px; }
  .footer-bottom { justify-content: center; text-align: center; }
}