/* ============================================================
   MONOLITH — 唯石科技 · Dark obsidian design system
   Fonts: Space Grotesk (display) + Inter (body) — Google Fonts,
   SIL Open Font License (free for commercial use).
   ============================================================ */

:root {
	--bg: #0b0e14;
	--bg-2: #10141d;
	--panel: #141926;
	--panel-2: #1a2030;
	--line: rgba(255, 255, 255, 0.09);
	--line-strong: rgba(255, 255, 255, 0.16);
	--text: #e8eaf0;
	--muted: #9aa3b5;
	--amber: #f5a524;
	--amber-2: #ffc85c;
	--emerald: #2dd4a7;
	--danger: #f26d6d;
	--radius: 14px;
	--radius-sm: 9px;
	--shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
	--font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
	--font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
	--wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: var(--font-body);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--amber-2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.18; margin: 0 0 0.5em; letter-spacing: 0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 820px; }
.center { text-align: center; }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	clip: rect(1px, 1px, 1px, 1px);
	overflow: hidden; white-space: nowrap;
}
.skip-link:focus {
	position: fixed; top: 8px; left: 8px; z-index: 999;
	width: auto; height: auto; clip: auto;
	background: var(--amber); color: #14100a; padding: 8px 14px; border-radius: 8px;
}

/* ---------- Buttons ---------- */
.btn {
	display: inline-flex; align-items: center; gap: 8px;
	padding: 11px 20px; border-radius: 999px;
	font-family: var(--font-display); font-weight: 600; font-size: 0.95rem;
	border: 1px solid transparent; cursor: pointer;
	transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-amber { background: linear-gradient(135deg, var(--amber), #e88f0e); color: #17120a; box-shadow: 0 6px 22px rgba(245, 165, 36, 0.35); }
.btn-amber:hover { box-shadow: 0 10px 30px rgba(245, 165, 36, 0.5); }
.btn-ghost { background: rgba(255, 255, 255, 0.05); border-color: var(--line-strong); color: var(--text); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }
.btn-lg { padding: 14px 28px; font-size: 1.02rem; }
.btn-sm { padding: 7px 14px; font-size: 0.85rem; }

/* ---------- Header ---------- */
.site-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(11, 14, 20, 0.82);
	backdrop-filter: blur(14px);
	border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; gap: 22px; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; font-family: var(--font-display); }
.brand-text b { font-weight: 500; font-size: 0.72rem; color: var(--muted); }
.brand-text i { font-style: normal; font-size: 0.68rem; color: var(--amber); letter-spacing: 0.12em; }

.main-nav { flex: 1; display: flex; align-items: center; gap: 18px; }
.nav-list { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-list a {
	display: block; padding: 9px 13px; border-radius: 9px;
	color: var(--muted); font-weight: 500; font-size: 0.94rem;
	font-family: var(--font-display);
}
.nav-list a:hover, .nav-list .current-menu-item > a, .nav-list .current_page_item > a {
	color: var(--text); background: rgba(255, 255, 255, 0.06); text-decoration: none;
}
.nav-list .menu-item-has-children { position: relative; }
.nav-list .sub-menu {
	position: absolute; top: 100%; left: 0; min-width: 200px;
	background: var(--panel); border: 1px solid var(--line);
	border-radius: var(--radius-sm); padding: 6px; margin: 0;
	list-style: none; display: none; box-shadow: var(--shadow);
}
.nav-list li:hover > .sub-menu { display: block; }
.nav-cta { margin-left: auto; }
.header-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.2s; }

/* Lang switcher */
.lang-switch { position: relative; }
.lang-btn {
	display: inline-flex; align-items: center; gap: 6px;
	background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line-strong);
	color: var(--text); padding: 7px 12px; border-radius: 999px;
	font: 600 0.82rem var(--font-display); cursor: pointer;
}
.lang-menu {
	position: absolute; right: 0; top: calc(100% + 8px); z-index: 50;
	background: var(--panel); border: 1px solid var(--line);
	border-radius: var(--radius-sm); padding: 6px; margin: 0;
	list-style: none; min-width: 150px; display: none; box-shadow: var(--shadow);
}
.lang-switch.open .lang-menu { display: block; }
.lang-menu a { display: block; padding: 8px 12px; border-radius: 7px; color: var(--muted); font-size: 0.9rem; }
.lang-menu a:hover, .lang-menu a.cur { background: rgba(255, 255, 255, 0.08); color: var(--text); text-decoration: none; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 84px 0 66px; border-bottom: 1px solid var(--line); }
.hero-glow {
	position: absolute; inset: auto -10% -55% -10%; height: 70%;
	background: radial-gradient(ellipse at 50% 100%, rgba(245, 165, 36, 0.16), transparent 65%);
	pointer-events: none;
}
.hero-in { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 46px; align-items: center; }
.eyebrow, .kicker {
	font-family: var(--font-display); font-weight: 600; font-size: 0.8rem;
	letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber);
	margin: 0 0 14px;
}
.hero-title { font-size: clamp(2.3rem, 5vw, 3.7rem); margin-bottom: 18px; }
.hero-sub { color: var(--muted); font-size: 1.08rem; max-width: 54ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 22px; }
.hero-chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.hero-chips li {
	font-size: 0.78rem; color: var(--muted); padding: 6px 12px;
	border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, 0.03);
}
.hero-art { position: relative; }
.hero-art img { border-radius: 18px; box-shadow: var(--shadow); }
.art-slot-note {
	display: inline-block; margin-top: 10px; font-size: 0.74rem; color: var(--muted);
	border: 1px dashed var(--line-strong); border-radius: 8px; padding: 4px 10px;
}

/* ---------- Markets strip ---------- */
.markets { border-bottom: 1px solid var(--line); background: var(--bg-2); }
.markets-in { display: flex; align-items: center; gap: 18px; padding: 16px 22px; flex-wrap: wrap; }
.markets-label { font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.markets-list { display: flex; flex-wrap: wrap; gap: 6px 16px; list-style: none; margin: 0; padding: 0; }
.markets-list li { font-size: 0.88rem; color: var(--text); opacity: 0.85; }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sec-head { max-width: 720px; margin-bottom: 38px; }
.sec-sub { color: var(--muted); font-size: 1.02rem; }
.sec-more { margin-top: 30px; }

/* ---------- Chips ---------- */
.chip {
	display: inline-flex; align-items: center; gap: 6px;
	font-family: var(--font-display); font-size: 0.72rem; font-weight: 600;
	letter-spacing: 0.06em; padding: 4px 10px; border-radius: 999px;
	border: 1px solid var(--line-strong); color: var(--muted); background: rgba(255, 255, 255, 0.04);
}
.chip-model { color: var(--amber); border-color: rgba(245, 165, 36, 0.45); background: rgba(245, 165, 36, 0.1); }
.chip-cat { color: var(--emerald); border-color: rgba(45, 212, 167, 0.4); background: rgba(45, 212, 167, 0.08); }
.chip-supply.is-stock { color: var(--emerald); border-color: rgba(45, 212, 167, 0.4); }
.chip-supply.is-pre { color: var(--amber-2); border-color: rgba(245, 165, 36, 0.45); }

/* ---------- Card grids ---------- */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.sol-grid { grid-template-columns: repeat(3, 1fr); }
.post-grid { grid-template-columns: repeat(3, 1fr); }

.p-card, .s-card, .b-card {
	background: var(--panel); border: 1px solid var(--line);
	border-radius: var(--radius); overflow: hidden;
	transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
	display: flex; flex-direction: column;
}
.p-card:hover, .s-card:hover, .b-card:hover {
	transform: translateY(-4px); border-color: rgba(245, 165, 36, 0.4); box-shadow: var(--shadow);
}
.p-art img, .s-art img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.p-body, .s-body, .b-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.p-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.p-title, .s-title, .b-title { margin: 0; font-size: 1.12rem; }
.p-title a, .s-title a, .b-title a { color: var(--text); }
.p-title a:hover, .s-title a:hover, .b-title a:hover { color: var(--amber-2); text-decoration: none; }
.p-tag, .s-tag, .b-excerpt { color: var(--muted); font-size: 0.92rem; margin: 0; }
.p-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 6px; }
.p-price { font-family: var(--font-display); font-weight: 700; color: var(--amber); font-size: 1.05rem; }
.p-price small { color: var(--muted); font-weight: 500; font-size: 0.68rem; display: block; letter-spacing: 0.02em; }
.s-rec { font-size: 0.85rem; color: var(--muted); margin: 0; }
.s-rec strong { color: var(--text); }
.s-link { font-family: var(--font-display); font-size: 0.88rem; font-weight: 600; color: var(--amber); margin-top: auto; }
.b-meta { display: flex; align-items: center; gap: 10px; font-size: 0.78rem; color: var(--muted); }

/* ---------- Why grid ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.why-card {
	background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
	padding: 24px 22px; transition: border-color 0.2s;
}
.why-card:hover { border-color: rgba(45, 212, 167, 0.4); }
.why-ico { color: var(--emerald); margin-bottom: 12px; }
.why-card p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; }
.faq-item {
	background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm);
	margin-bottom: 10px; overflow: hidden;
}
.faq-item summary {
	display: flex; align-items: center; justify-content: space-between; gap: 14px;
	padding: 16px 20px; cursor: pointer; font-family: var(--font-display);
	font-weight: 600; font-size: 0.98rem; list-style: none; color: var(--text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-ico { position: relative; width: 14px; height: 14px; flex: 0 0 14px; }
.faq-ico::before, .faq-ico::after {
	content: ""; position: absolute; background: var(--amber); border-radius: 2px;
	transition: transform 0.2s;
}
.faq-ico::before { top: 6px; left: 0; width: 14px; height: 2px; }
.faq-ico::after { top: 0; left: 6px; width: 2px; height: 14px; }
.faq-item[open] .faq-ico::after { transform: scaleY(0); }
.faq-a { padding: 0 20px 18px; color: var(--muted); font-size: 0.94rem; }
.faq-a p { margin: 0; }

/* ---------- Lead form ---------- */
.mono-lead-form { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.f-field { margin: 0 0 14px; }
.f-field label {
	display: block; font-family: var(--font-display); font-size: 0.8rem;
	font-weight: 600; letter-spacing: 0.04em; color: var(--muted); margin-bottom: 6px;
}
.f-field label em { color: var(--amber); font-style: normal; }
.f-field input, .f-field textarea {
	width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
	background: var(--bg-2); border: 1px solid var(--line-strong);
	color: var(--text); font: 0.95rem var(--font-body); transition: border-color 0.15s;
}
.f-field input:focus, .f-field textarea:focus { outline: none; border-color: var(--amber); }
.f-field textarea { resize: vertical; }
.f-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.form-status { margin: 14px 0 0; font-size: 0.92rem; min-height: 1.4em; }
.form-status.ok { color: var(--emerald); }
.form-status.err { color: var(--danger); }
.form-status a { display: inline-block; margin: 6px 8px 0 0; }
.hp-field { position: absolute !important; left: -9999px; top: -9999px; }
.form-loading .btn[type="submit"] { opacity: 0.6; pointer-events: none; }

/* ---------- CTA section ---------- */
.section-cta { background: linear-gradient(180deg, var(--bg-2), #131017 70%); border-top: 1px solid var(--line); }
.cta-in { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 44px; align-items: start; }
.cta-list { list-style: none; margin: 18px 0 0; padding: 0; color: var(--muted); font-size: 0.94rem; }
.cta-list li { padding: 6px 0; border-bottom: 1px dashed var(--line); }

/* ---------- Page hero / breadcrumbs ---------- */
.page-hero { padding: 58px 0 34px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.crumbs { font-size: 0.82rem; color: var(--muted); margin-bottom: 18px; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--amber-2); }
.aud-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.aud-tab {
	font-family: var(--font-display); font-weight: 600; font-size: 0.9rem;
	padding: 9px 18px; border-radius: 999px; border: 1px solid var(--line-strong);
	color: var(--muted); transition: 0.15s;
}
.aud-tab:hover { color: var(--text); text-decoration: none; border-color: var(--amber); }
.aud-tab.is-active { background: var(--amber); border-color: var(--amber); color: #17120a; }

/* ---------- Single product ---------- */
.prod-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 44px; align-items: start; }
.prod-main-art img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }
.prod-thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 12px; }
.thumb-slot {
	aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center;
	border: 1px dashed var(--line-strong); border-radius: var(--radius-sm);
	color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em;
	background: rgba(255, 255, 255, 0.02);
}
.prod-title { margin-bottom: 8px; }
.prod-tagline { color: var(--amber-2); font-family: var(--font-display); font-size: 1.05rem; }
.prod-price { font-family: var(--font-display); margin: 18px 0; }
.prod-price strong { font-size: 1.7rem; color: var(--amber); }
.prod-price small { display: block; color: var(--muted); font-size: 0.78rem; font-weight: 500; }
.prod-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 26px; }
.prod-highlights { list-style: none; margin: 0; padding: 0; }
.prod-highlights li { position: relative; padding: 8px 0 8px 28px; color: var(--muted); border-bottom: 1px dashed var(--line); font-size: 0.94rem; }
.prod-highlights li::before {
	content: "◆"; position: absolute; left: 4px; top: 8px;
	color: var(--emerald); font-size: 0.7rem;
}
.spec-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.spec-table { width: 100%; border-collapse: collapse; background: var(--panel); font-size: 0.92rem; }
.spec-table th, .spec-table td { padding: 12px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table th { width: 38%; color: var(--muted); font-weight: 600; font-family: var(--font-display); font-size: 0.84rem; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.prose { font-size: 1rem; color: #c7cdd9; }
.prose p { line-height: 1.8; }

/* ---------- Single solution ---------- */
.sol-single-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.sol-scene img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }
.check-list { list-style: none; margin: 20px 0 0; padding: 0; }
.check-list li { position: relative; padding: 9px 0 9px 30px; border-bottom: 1px dashed var(--line); color: var(--muted); font-size: 0.95rem; }
.check-list li::before {
	content: "✓"; position: absolute; left: 2px; top: 8px;
	color: var(--emerald); font-weight: 700;
}
.custom-box {
	background: linear-gradient(135deg, rgba(245, 165, 36, 0.1), rgba(245, 165, 36, 0.02));
	border: 1px solid rgba(245, 165, 36, 0.35); border-radius: var(--radius);
	padding: 28px 30px;
}
.custom-box h2 { font-size: 1.3rem; color: var(--amber-2); }
.custom-box p { color: var(--muted); margin: 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px; align-items: start; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.c-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px 20px; }
.c-card h3 { font-size: 0.86rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--amber); margin-bottom: 8px; }
.c-card p { color: var(--muted); font-size: 0.9rem; margin: 0; word-break: break-word; }
.map-slot {
	min-height: 120px; display: flex; align-items: center; justify-content: center;
	border-style: dashed; color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em;
}
.contact-form h2 { margin-bottom: 18px; }

/* ---------- About ---------- */
.zh-note { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 18px; margin-top: 18px; }
.zh-note summary { cursor: pointer; font-family: var(--font-display); font-weight: 600; }
.about-values { grid-template-columns: repeat(3, 1fr); margin: 36px 0; }
.about-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 36px; }
.fact {
	background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm);
	padding: 20px; text-align: center;
}
.fact strong { display: block; font-family: var(--font-display); font-size: 1.9rem; color: var(--amber); }
.fact span { color: var(--muted); font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; }

/* ---------- Blog ---------- */
.tag-row { margin-top: 20px; }
.tag-row .chip { margin-right: 6px; }

/* ---------- Admin hint / empty ---------- */
.admin-hint {
	background: rgba(245, 165, 36, 0.08); border: 1px solid rgba(245, 165, 36, 0.4);
	border-radius: var(--radius); padding: 16px 22px; margin: 26px 0;
}
.empty-note { color: var(--muted); padding: 30px 0; }

/* ---------- Pager ---------- */
.pager { margin-top: 36px; display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
.pager .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 40px; height: 40px; padding: 0 12px; border-radius: 9px;
	border: 1px solid var(--line-strong); color: var(--muted); font-family: var(--font-display);
}
.pager .page-numbers.current { background: var(--amber); border-color: var(--amber); color: #17120a; }
.pager .page-numbers:hover { color: var(--text); text-decoration: none; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: #080a10; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 34px; padding: 52px 22px 34px; }
.f-tagline { color: var(--amber-2); font-family: var(--font-display); margin-top: 14px; }
.f-desc, .f-col li, .f-col p { color: var(--muted); font-size: 0.88rem; }
.f-col h3 { font-size: 0.82rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); margin-bottom: 14px; }
.f-col ul { list-style: none; margin: 0; padding: 0; }
.f-col li { padding: 5px 0; }
.f-col a { color: var(--muted); }
.f-col a:hover { color: var(--amber-2); }
.footer-bar { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; padding: 18px 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.8rem; }
.footer-bar p { margin: 0; }
.f-note { opacity: 0.7; }

/* ---------- WhatsApp float ---------- */
.wa-float {
	position: fixed; right: 22px; bottom: 22px; z-index: 90;
	width: 56px; height: 56px; border-radius: 50%;
	display: flex; align-items: center; justify-content: center;
	background: #25d366; color: #06331c; box-shadow: 0 10px 30px rgba(37, 211, 102, 0.45);
	transition: transform 0.2s;
}
.wa-float:hover { transform: scale(1.08); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	.reveal { opacity: 1; transform: none; transition: none; }
	html { scroll-behavior: auto; }
}

/* ---------- RTL (Arabic) ---------- */
[dir="rtl"] .nav-list .sub-menu { left: auto; right: 0; }
[dir="rtl"] .lang-menu { right: auto; left: 0; }
[dir="rtl"] .prod-highlights li, [dir="rtl"] .check-list li { padding: 8px 28px 8px 0; }
[dir="rtl"] .prod-highlights li::before { left: auto; right: 4px; }
[dir="rtl"] .check-list li::before { left: auto; right: 2px; }
[dir="rtl"] .wa-float { right: auto; left: 22px; }
[dir="rtl"] .hero-chips, [dir="rtl"] .markets-list, [dir="rtl"] .aud-tabs { direction: rtl; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
	.card-grid, .sol-grid, .post-grid { grid-template-columns: repeat(2, 1fr); }
	.why-grid { grid-template-columns: repeat(2, 1fr); }
	.footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
	.hero-in, .prod-grid, .sol-single-grid, .cta-in, .contact-grid { grid-template-columns: 1fr; }
	.hero { padding: 56px 0 48px; }
	.hero-art { order: -1; max-width: 520px; }
	.about-facts { grid-template-columns: repeat(2, 1fr); }
	.about-values { grid-template-columns: 1fr; }

	.nav-toggle { display: flex; }
	.main-nav {
		position: fixed; inset: 72px 0 auto 0; z-index: 99;
		flex-direction: column; align-items: stretch; gap: 8px;
		background: var(--panel); border-bottom: 1px solid var(--line);
		padding: 18px 22px 24px; transform: translateY(-130%);
		transition: transform 0.25s ease; box-shadow: var(--shadow);
	}
	.main-nav.open { transform: none; }
	.nav-list { flex-direction: column; align-items: stretch; }
	.nav-list a { padding: 12px 14px; }
	.nav-list .sub-menu { position: static; display: block; border: 0; box-shadow: none; background: transparent; padding-left: 16px; }
	.nav-cta { margin: 10px 0 0; justify-content: center; }
	.header-actions { margin-left: auto; }
}
@media (max-width: 620px) {
	.card-grid, .sol-grid, .post-grid, .why-grid, .contact-cards, .f-row { grid-template-columns: 1fr; }
	.section { padding: 52px 0; }
	.f-actions .btn { width: 100%; justify-content: center; }
	.footer-grid { grid-template-columns: 1fr; gap: 26px; }
	.prod-thumbs { grid-template-columns: repeat(2, 1fr); }
	.wa-float { width: 50px; height: 50px; right: 16px; bottom: 16px; }
}