/* uliann.com — design system v4.1
   Deep Ink #0E1626 / Slate Navy #1B2A4A / Rose #E5486D / Warm Ivory #FAF8F5
   Rose + WA-green are ACTION-ONLY colours (decision-stage psychology, spec §6.1A) */
:root {
  --ink: #0E1626;
  --navy: #1B2A4A;
  --rose: #E5486D;
  --ivory: #FAF8F5;
  --graphite: #2A2E35;
  --muted: #8A8F98;
  --wa: #25D366;
  --line: #D9E2EC;
  --cert-gold: #C9A227;
  --card: #FFFFFF;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(14, 22, 38, .06), 0 8px 24px rgba(14, 22, 38, .08);
  --shadow-lg: 0 2px 4px rgba(14, 22, 38, .08), 0 16px 48px rgba(14, 22, 38, .14);
  --font-head: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--ivory);
  color: var(--graphite);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); color: var(--ink); line-height: 1.15; letter-spacing: -.01em; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 860px; margin: 0 auto; }

/* ---------- header ---------- */
.announce { background: var(--ink); color: #CBD5E4; font-size: 13px; text-align: center; padding: 8px 16px; }
.announce b { color: #fff; font-weight: 600; }
header.site { position: sticky; top: 0; z-index: 50; background: rgba(250,248,245,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { font-family: var(--font-head); font-weight: 700; font-size: 22px; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.logo svg { flex: 0 0 auto; }
.nav-links { display: flex; gap: 24px; margin-left: auto; align-items: center; }
.nav-links a { font-size: 14.5px; font-weight: 500; color: var(--graphite); padding: 6px 2px; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ink); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 600; color: var(--muted); }
.lang-switch a { color: var(--navy); padding: 4px 8px; border-radius: 8px; }
.lang-switch a:hover { background: rgba(27,42,74,.08); }
.lang-switch .cur { color: var(--ink); }

/* ---------- buttons (action colours ONLY on CTAs) ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; font-family: var(--font-head); font-weight: 600; font-size: 15px; padding: 13px 26px; border-radius: 999px; border: 2px solid transparent; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s; text-align: center; line-height: 1.2; }
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-rose { background: var(--rose); color: #fff; }
.btn-rose:hover { background: #d63c60; }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { border-color: var(--rose); color: var(--rose); }
.btn-wa { background: var(--wa); color: #062b12; }
.btn-wa:hover { background: #1fbe59; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: var(--navy); }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }
.btn-block { width: 100%; }

/* ---------- hero ---------- */
.hero { background: linear-gradient(160deg, var(--ink) 0%, var(--navy) 78%, #24365e 100%); color: #fff; padding: 84px 0 72px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; right: -180px; top: -180px; width: 560px; height: 560px; border-radius: 50%; background: radial-gradient(circle, rgba(229,72,109,.16), transparent 65%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; position: relative; }
.hero .kicker { color: #F0A9BC; font-family: var(--font-head); font-weight: 600; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 18px; }
.hero h1 { color: #fff; font-size: clamp(34px, 4.6vw, 58px); margin-bottom: 22px; }
.answer-block { border-left: 3px solid var(--rose); padding: 14px 0 14px 20px; color: #D7DEEA; font-size: 17px; max-width: 640px; margin-bottom: 14px; }
.answer-block b { color: #fff; }
.hero .sub { color: #9FB0C8; font-size: 15px; margin-bottom: 30px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; padding: 28px; backdrop-filter: blur(6px); }
.hero-card .stat + .stat { margin-top: 22px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); }
.hero-card .stat .n { font-family: var(--font-head); font-size: 34px; font-weight: 700; color: #fff; }
.hero-card .stat .n em { color: var(--rose); font-style: normal; }
.hero-card .stat .l { color: #9FB0C8; font-size: 13.5px; }
.stats-band { background: var(--ink); color: #fff; padding: 34px 0; }
.stats-band .grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats-band .n { font-family: var(--font-head); font-size: 40px; font-weight: 700; }
.stats-band .n em { color: var(--rose); font-style: normal; }
.stats-band .l { color: #9FB0C8; font-size: 13.5px; }

/* ---------- sections ---------- */
section.sec { padding: 76px 0; }
.sec-head { max-width: 720px; margin-bottom: 40px; }
.sec-head h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 12px; }
.sec-head p { color: var(--muted); }
.trust-band { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-band .row { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; padding: 16px 0; font-size: 14px; font-weight: 500; color: var(--navy); }
.trust-band span { display: inline-flex; align-items: center; gap: 8px; }
.trust-band span::before { content: "✓"; color: var(--rose); font-weight: 700; }

/* category cards */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; transition: transform .25s ease, box-shadow .25s; }
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.cat-card .ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(27,42,74,.08); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.cat-card h3 { font-size: 18px; margin-bottom: 8px; }
.cat-card p { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.cat-card a { font-size: 13.5px; font-weight: 600; color: var(--navy); }

/* product cards */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.prod-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; position: relative; transition: transform .25s ease, box-shadow .25s; display: flex; flex-direction: column; }
.prod-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.prod-card .ph { background: linear-gradient(145deg, #F4F1EC, #EAE6DF); aspect-ratio: 1; position: relative; overflow: hidden; }
.prod-card .ph img { width: 100%; height: 100%; object-fit: contain; padding: 12%; transition: transform .3s ease; }
.prod-card:hover .ph img { transform: scale(1.05); }
.prod-card .hover-cta { position: absolute; inset: auto 0 0 0; background: rgba(14,22,38,.88); color: #fff; text-align: center; font-size: 13.5px; font-weight: 600; padding: 10px; transform: translateY(100%); transition: transform .28s ease; font-family: var(--font-head); }
.prod-card:hover .hover-cta { transform: translateY(0); }
.prod-card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.prod-card .sku { font-size: 11.5px; letter-spacing: .1em; color: var(--muted); font-weight: 600; }
.prod-card h3 { font-size: 15px; line-height: 1.35; flex: 1; }
.prod-card .moq { font-size: 13px; color: var(--navy); font-weight: 600; }
.prod-card .moq b { color: var(--rose); }
.dark .prod-card, .prod-card.on-dark { background: var(--navy); border-color: rgba(255,255,255,.1); }
.dark .prod-card h3 { color: #fff; }
.dark .prod-card .sku { color: #7E8CA5; }
.dark .prod-card .moq { color: #C6D0E2; }
.dark .prod-card .ph { background: rgba(255,255,255,.05); }

/* OEM steps */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; counter-reset: step; }
.step { padding: 0 18px; position: relative; }
.step::before { counter-increment: step; content: counter(step); font-family: var(--font-head); font-weight: 700; font-size: 14px; width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: #fff; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; position: relative; z-index: 1; }
.step::after { content: ""; position: absolute; top: 17px; left: 52px; right: 0; height: 2px; background: var(--line); }
.step:last-child::after { display: none; }
.step h3 { font-size: 15.5px; margin-bottom: 6px; }
.step p { font-size: 13.5px; color: var(--muted); }
.step b { color: var(--rose); font-weight: 600; }

/* why cards */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.why-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.why-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.why-card p { font-size: 14px; color: var(--muted); }

/* certifications */
.cert-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cert-badge { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px 14px; text-align: center; font-family: var(--font-head); font-weight: 600; font-size: 14px; color: var(--ink); position: relative; }
.cert-badge::after { content: ""; display: block; width: 26px; height: 3px; background: var(--cert-gold); margin: 10px auto 0; border-radius: 2px; }
.cert-badge small { display: block; font-family: var(--font-body); font-weight: 400; color: var(--muted); font-size: 11.5px; margin-top: 8px; }

/* FAQ */
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: 12px; margin-bottom: 10px; overflow: hidden; }
.faq-item summary { cursor: pointer; padding: 16px 20px; font-family: var(--font-head); font-weight: 600; font-size: 15px; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 20px; color: var(--rose); line-height: 1; flex: 0 0 auto; }
.faq-item[open] summary::after { content: "–"; }
.faq-item .a { padding: 0 20px 18px; color: #4A5058; font-size: 14.5px; }

/* final CTA */
.final-cta { background: linear-gradient(150deg, var(--ink), var(--navy)); color: #fff; border-radius: 22px; padding: 52px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; }
.final-cta h2 { color: #fff; font-size: clamp(26px, 3vw, 36px); margin-bottom: 12px; }
.final-cta p { color: #B9C4D6; margin-bottom: 24px; }
.final-cta .note { font-size: 12.5px; color: #7E8CA5; margin-top: 14px; }
.form { display: flex; flex-direction: column; gap: 12px; }
.form input, .form textarea, .form select { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font: inherit; font-size: 14.5px; background: #fff; color: var(--graphite); }
.final-cta .form input, .final-cta .form textarea { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); color: #fff; }
.final-cta .form input::placeholder, .final-cta .form textarea::placeholder { color: #8291AB; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--rose); outline-offset: 1px; border-color: transparent; }
.form-msg { font-size: 14px; font-weight: 600; min-height: 20px; }
.form-msg.ok { color: var(--wa); }
.form-msg.err { color: var(--rose); }

/* product detail */
.crumbs { font-size: 13px; color: var(--muted); padding: 20px 0 0; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.pd-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; margin-top: 24px; }
.pd-gallery .main { background: linear-gradient(145deg, #F4F1EC, #EAE6DF); border-radius: var(--radius); aspect-ratio: 1; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.pd-gallery .main img { width: 100%; height: 100%; object-fit: contain; padding: 8%; }
.pd-thumbs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; margin-top: 10px; }
.pd-thumbs button { border: 2px solid transparent; background: linear-gradient(145deg, #F4F1EC, #EAE6DF); border-radius: 10px; aspect-ratio: 1; cursor: pointer; padding: 6%; overflow: hidden; }
.pd-thumbs button img { width: 100%; height: 100%; object-fit: contain; }
.pd-thumbs button.on { border-color: var(--rose); }
.pd-info h1 { font-size: clamp(24px, 2.8vw, 34px); margin: 6px 0 14px; }
.pd-info .sku-line { font-size: 12.5px; letter-spacing: .12em; color: var(--muted); font-weight: 600; }
.data-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0; }
.data-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.data-card .l { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.data-card .v { font-family: var(--font-head); font-weight: 700; font-size: 16px; color: var(--ink); }
.data-card .v em { color: var(--rose); font-style: normal; }
.tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--line); margin: 28px 0 22px; flex-wrap: wrap; }
.tabs button { background: none; border: none; font: inherit; font-family: var(--font-head); font-weight: 600; font-size: 14.5px; color: var(--muted); padding: 10px 16px; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -2px; }
.tabs button.on { color: var(--ink); border-bottom-color: var(--rose); }
.tab-panel { display: none; }
.tab-panel.on { display: block; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table th, .spec-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { color: var(--muted); font-weight: 500; width: 34%; }
.spec-table td { font-weight: 500; color: var(--ink); }
.spec-note { font-size: 13px; color: var(--muted); margin-top: 10px; }
.rose-line { color: var(--rose); font-weight: 600; font-size: 14px; margin-top: 18px; }
.check-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.check-list li { font-size: 14px; padding-left: 26px; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--rose); font-weight: 700; }
.sticky-wa { position: fixed; right: 22px; bottom: 96px; z-index: 60; display: none; }
@media (min-width: 980px) { .sticky-wa.show { display: flex; } }
.float-wa { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 56px; height: 56px; border-radius: 50%; background: var(--wa); display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); transition: transform .2s; }
.float-wa:hover { transform: scale(1.08); }
.float-wa::before { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid rgba(37,211,102,.5); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(.85); opacity: 1; } 70% { transform: scale(1.25); opacity: 0; } 100% { opacity: 0; } }

/* comparison table */
.vs-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); font-size: 14.5px; }
.vs-table th, .vs-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: left; }
.vs-table thead th { background: var(--ink); color: #fff; font-family: var(--font-head); font-size: 14px; }
.vs-table thead th:first-child { background: transparent; }
.vs-table td:first-child { color: var(--muted); font-weight: 500; }
.vs-table tr:last-child td { border-bottom: none; }
.cap-table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.cap-table th, .cap-table td { padding: 13px 18px; border-bottom: 1px solid var(--line); text-align: left; }
.cap-table thead th { background: var(--navy); color: #fff; font-family: var(--font-head); }
.cap-table tr:last-child td { border-bottom: none; }
.cap-yes { color: var(--wa); font-weight: 700; }

/* legal */
.legal-body { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 44px; }
.legal-body h2 { font-size: 19px; margin: 28px 0 8px; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body p { color: #4A5058; font-size: 14.5px; }
.legal-meta { color: var(--muted); font-size: 13px; margin-bottom: 22px; }
.ja-note { background: rgba(201,162,39,.09); border: 1px solid rgba(201,162,39,.35); border-radius: 12px; padding: 18px 22px; margin-bottom: 26px; font-size: 14px; }
.ja-note ul { margin: 8px 0 0 18px; }
.ja-note li { margin-bottom: 6px; }

/* contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; }
.name-card { background: linear-gradient(150deg, var(--ink), var(--navy)); color: #fff; border-radius: var(--radius); padding: 30px; }
.name-card .avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--rose); color: #fff; font-family: var(--font-head); font-weight: 700; font-size: 26px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.name-card h3 { color: #fff; font-size: 20px; }
.name-card .role { color: #9FB0C8; font-size: 13.5px; margin-bottom: 18px; }
.name-card .row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.name-card .replies { font-size: 12.5px; color: #7E8CA5; margin-top: 14px; }

/* news */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.news-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.news-card .date { font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.news-card h3 { font-size: 18px; margin-bottom: 10px; }
.news-card p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.article-body { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 44px 48px; }
.article-body h2 { font-size: 22px; margin: 30px 0 10px; }
.article-body h3 { font-size: 17px; margin: 22px 0 8px; }
.article-body p, .article-body li { color: #4A5058; font-size: 15px; }
.article-body ul, .article-body ol { margin: 10px 0 10px 22px; }
.article-body li { margin-bottom: 6px; }
.article-answer { border-left: 3px solid var(--rose); padding: 12px 18px; background: rgba(229,72,109,.05); border-radius: 0 10px 10px 0; font-size: 15px; margin: 18px 0 8px; }

/* footer */
footer.site { background: var(--ink); color: #97A4BA; padding: 60px 0 30px; margin-top: 40px; }
.f-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 34px; margin-bottom: 44px; }
.f-grid h4 { color: #fff; font-size: 13.5px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; font-family: var(--font-head); }
.f-grid a { display: block; font-size: 13.5px; color: #97A4BA; padding: 4px 0; }
.f-grid a:hover { color: #fff; }
.f-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: #6C7A93; }
.f-bottom .wa-line { color: var(--wa); font-weight: 600; }

/* cookie banner */
.cookie-bar { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 100; background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow-lg); padding: 18px 22px; display: flex; gap: 18px; align-items: center; max-width: 880px; margin: 0 auto; }
.cookie-bar p { font-size: 13px; color: #4A5058; flex: 1; }
.cookie-bar .btns { display: flex; gap: 8px; flex: 0 0 auto; }

/* admin */
.admin-body { background: #F2F4F8; }
.admin-wrap { max-width: 1080px; margin: 0 auto; padding: 24px; }
.admin-top { background: var(--ink); color: #fff; padding: 14px 0; margin-bottom: 28px; }
.admin-top .row { display: flex; align-items: center; gap: 18px; }
.admin-top a { color: #C6D0E2; font-size: 14px; font-weight: 500; padding: 6px 10px; border-radius: 8px; }
.admin-top a.on, .admin-top a:hover { background: rgba(255,255,255,.12); color: #fff; }
.admin-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px; margin-bottom: 20px; }
.admin-card h2 { font-size: 17px; margin-bottom: 14px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.admin-table th { text-align: left; color: var(--muted); font-weight: 500; padding: 8px 10px; border-bottom: 2px solid var(--line); }
.admin-table td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.badge.new { background: rgba(229,72,109,.12); color: var(--rose); }
.badge.replied { background: rgba(37,211,102,.14); color: #148f43; }
.badge.closed { background: rgba(138,143,152,.15); color: #5c6470; }
.login-box { max-width: 380px; margin: 8vh auto; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 34px; box-shadow: var(--shadow-lg); }

/* responsive */
@media (max-width: 1020px) {
  .hero-grid, .pd-grid, .final-cta, .contact-grid { grid-template-columns: 1fr; }
  .cat-grid, .prod-grid, .cert-wall { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .stats-band .grid4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; gap: 22px; }
  .step::after { display: none; }
  .f-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .prod-grid, .cat-grid, .cert-wall, .why-grid { grid-template-columns: 1fr; }
  .nav { gap: 12px; height: auto; padding: 12px 0; flex-wrap: wrap; }
  .nav-links { order: 3; width: 100%; gap: 14px; overflow-x: auto; }
  .legal-body, .article-body { padding: 26px 20px; }
  .data-cards { grid-template-columns: 1fr 1fr; }
}