/* =====================================================================
   SinapTec — Démo e-commerce (full HTML/CSS)
   Feuille de style unique et légère. Aucune dépendance externe.
   Charte : bleu de marque #00aeef, esprit industriel / sur-mesure B2B.
   ===================================================================== */

:root{
  --brand:#00aeef;        /* bleu de marque — bandeau, aplats, accents */
  --brand-2:#0091cf;      /* boutons (texte blanc lisible) */
  --brand-3:#0079b0;      /* hover / états foncés */
  --brand-ink:#0176a6;    /* liens & petits textes colorés sur blanc */
  --brand-tint:#e7f6fd;   /* fond bleu très clair */
  --brand-tint-2:#d3eefb;
  --navy:#0a2440;         /* bleu nuit — hero, sections sombres */
  --navy-2:#0e3357;
  --ink:#13202e;          /* titres / texte fort */
  --body:#3b4753;
  --muted:#6a7683;
  --line:#e4e8ee;
  --line-2:#eef1f5;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;
  --bg-soft-2:#eaf1f7;
  --ok:#1f8a4c;
  --radius:10px;
  --radius-lg:16px;
  --shadow-sm:0 1px 2px rgba(15,35,60,.06),0 1px 3px rgba(15,35,60,.05);
  --shadow:0 8px 22px rgba(15,35,60,.09);
  --shadow-lg:0 20px 48px rgba(10,36,64,.14);
  --maxw:1200px;
  --font:"Segoe UI",Roboto,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--body);
  background:var(--bg);line-height:1.65;font-size:16px;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--brand-ink);text-decoration:none}
a:hover{color:var(--brand-3)}
h1,h2,h3,h4{color:var(--ink);line-height:1.24;font-weight:700;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:2rem}
h2{font-size:1.5rem}
h3{font-size:1.2rem}
p{margin:0 0 1rem}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.center{text-align:center}

/* ---------- Top bar (bleu de marque) ---------- */
.topbar{background:var(--brand);color:#fff;font-size:.82rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:42px}
.topbar a{color:#fff}
.topbar .tb-left,.topbar .tb-right{display:flex;align-items:center}
.topbar .tb-item{display:inline-flex;align-items:center;gap:8px;padding:0 18px;position:relative;white-space:nowrap;line-height:1}
.topbar .tb-left .tb-item:first-child{padding-left:0}
.topbar .tb-right .tb-item:last-child{padding-right:0}
.topbar .tb-item:not(:last-child)::after{content:"";position:absolute;right:0;top:50%;transform:translateY(-50%);height:15px;width:1px;background:rgba(255,255,255,.34)}
.topbar svg{width:15px;height:15px;opacity:.95}
.topbar .tb-phone{font-weight:700;letter-spacing:.01em}
.topbar .tb-phone:hover{color:#fff;opacity:.9}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:30px;height:82px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand img{height:42px;width:auto}
.brand .bword{font-weight:800;font-size:1.4rem;color:var(--ink);letter-spacing:-.02em}
.brand .bword b{color:var(--brand)}
.main-nav{display:flex;gap:24px;margin-left:4px}
.main-nav a{color:var(--ink);font-weight:600;font-size:.94rem;padding:8px 0;position:relative;white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--brand);transition:width .2s}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.main-nav a.active{color:var(--brand-ink)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:18px}
.header-phone{display:flex;align-items:center;gap:11px}
.header-phone .hp-ic{width:42px;height:42px;border-radius:50%;background:var(--brand-tint);color:var(--brand-ink);
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.header-phone .hp-ic svg{width:20px;height:20px}
.header-phone .hp-txt{line-height:1.2}
.header-phone .hp-txt small{display:block;font-size:.7rem;color:var(--muted)}
.header-phone .hp-txt b{color:var(--ink);font-size:1rem;letter-spacing:.01em;white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;
  border:1px solid transparent;border-radius:8px;font-weight:600;font-size:.95rem;
  padding:12px 22px;transition:.18s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--brand-2);color:#fff}
.btn-primary:hover{background:var(--brand-3);color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-ink)}
.btn-lg{padding:15px 30px;font-size:1.02rem}
.btn-block{width:100%}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{position:relative;background:
    radial-gradient(1100px 480px at 82% -12%,rgba(0,174,239,.34),transparent 60%),
    linear-gradient(135deg,#0a2440 0%,#0e3357 52%,#0a6ea0 130%);
  color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;opacity:.09;
  background-image:radial-gradient(circle at 1px 1px,#fff 1px,transparent 0);background-size:26px 26px}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;
  align-items:center;padding-top:78px;padding-bottom:78px}
.hero .eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.78rem;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;color:#7fd6f7;margin-bottom:20px}
.hero .eyebrow svg{width:17px;height:17px}
.hero h1{color:#fff;font-size:2.85rem;line-height:1.1;margin-bottom:20px}
.hero h1 em{font-style:normal;color:#4fc6f4}
.hero p{color:#d3e2ef;font-size:1.12rem;max-width:33em;margin-bottom:28px}
.hero .hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn-ghost{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.38);color:#fff}
.hero .btn-ghost:hover{background:rgba(255,255,255,.17);color:#fff}
.hero-visual{background:#fff;border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-lg)}
.hero-visual img{width:100%;height:360px;object-fit:contain;margin:0 auto}
.hero-badges{display:flex;gap:30px;margin-top:34px;flex-wrap:wrap}
.hero-badges div{display:flex;flex-direction:column}
.hero-badges b{font-size:1.55rem;color:#fff;line-height:1}
.hero-badges span{font-size:.82rem;color:#9fbdd6;margin-top:5px}

/* ---------- Trust strip ---------- */
.trust{border-bottom:1px solid var(--line);background:var(--bg-soft)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:26px 24px}
.trust .t{display:flex;gap:13px;align-items:flex-start}
.trust .t svg{width:26px;height:26px;color:var(--brand);flex-shrink:0}
.trust .t b{display:block;color:var(--ink);font-size:.95rem}
.trust .t span{font-size:.82rem;color:var(--muted)}

/* ---------- Sections ---------- */
.section{padding:74px 0}
.section.soft{background:var(--bg-soft)}
.section-head{max-width:730px;margin:0 auto 46px;text-align:center}
.section-head .kicker{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-ink);background:var(--brand-tint);padding:6px 15px;border-radius:40px;margin-bottom:16px}
.section-head h2{font-size:2rem;margin-bottom:12px}
.section-head p{color:var(--muted);font-size:1.05rem;margin:0}

/* ---------- Product grid / cards ---------- */
.grid{display:grid;gap:26px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:.2s;box-shadow:var(--shadow-sm)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe2ef}
.card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;
  background:linear-gradient(140deg,#f3f8fc 0%,#e6eff6 100%);
  display:flex;align-items:center;justify-content:center;padding:18px}
.card .thumb img{width:100%;height:100%;object-fit:contain;transition:transform .4s;
  filter:drop-shadow(0 6px 14px rgba(15,35,60,.10))}
.card:hover .thumb img{transform:scale(1.035)}
.card .tag{position:absolute;top:13px;left:13px;background:#fff;color:var(--ink);font-size:.68rem;
  font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:5px 11px;border-radius:30px;box-shadow:var(--shadow-sm)}
.card .tag.brand{background:var(--brand);color:#fff}
.card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card .cat{font-size:.72rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--brand-ink);margin-bottom:8px}
.card h3{font-size:1.08rem;margin-bottom:9px;line-height:1.35}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--brand-ink)}
.card .desc{font-size:.9rem;color:var(--muted);margin-bottom:16px;flex:1}
.card .meta{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.card .chip{font-size:.72rem;font-weight:600;color:var(--body);background:var(--bg-soft);
  border:1px solid var(--line);padding:3px 9px;border-radius:30px}
.card .foot{display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line-2);padding-top:16px;margin-top:auto}
.price{display:flex;flex-direction:column;line-height:1.2}
.price .from{font-size:.7rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.price .amount{font-size:1.2rem;font-weight:800;color:var(--ink)}
.price .amount small{font-size:.7rem;font-weight:600;color:var(--muted)}
.price.contact .amount{font-size:1rem;color:var(--brand-ink)}
.card .btn{padding:10px 16px;font-size:.87rem}

/* ---------- Breadcrumb ---------- */
.crumb{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.crumb .wrap{display:flex;align-items:center;gap:9px;padding:15px 24px;font-size:.85rem;color:var(--muted);flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-ink)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--ink);font-weight:600}

/* ---------- Category header ---------- */
.cat-hero{position:relative;overflow:hidden;color:#fff;padding:58px 0;background:
    radial-gradient(800px 380px at 88% -20%,rgba(0,174,239,.32),transparent 60%),
    linear-gradient(120deg,#0a2440,#0e3357)}
.cat-hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .7fr;gap:44px;align-items:center}
.cat-hero .kicker{color:#7fd6f7;font-weight:700;letter-spacing:.13em;text-transform:uppercase;font-size:.76rem}
.cat-hero h1{color:#fff;font-size:2.4rem;margin:12px 0 14px}
.cat-hero p{color:#d3e2ef;margin:0;max-width:40em}
.cat-hero .stat-row{display:flex;gap:32px;margin-top:28px;flex-wrap:wrap}
.cat-hero .stat-row b{display:block;font-size:1.5rem;color:#fff}
.cat-hero .stat-row span{font-size:.8rem;color:#9fbdd6}
.cat-hero .ch-visual{background:#fff;border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-lg)}
.cat-hero .ch-visual img{border-radius:8px;width:100%;height:230px;object-fit:cover}

/* ---------- Toolbar (category) ---------- */
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:30px;flex-wrap:wrap}
.toolbar .count{color:var(--muted);font-size:.9rem}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{font-size:.83rem;font-weight:600;color:var(--body);background:#fff;border:1px solid var(--line);
  padding:8px 15px;border-radius:30px;cursor:pointer;transition:.15s}
.pill:hover,.pill.active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- Product single ---------- */
.pdp{padding:44px 0 0}
.pdp-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.gallery .main-img{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(140deg,#f3f8fc,#e6eff6);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.gallery .main-img img{width:100%;height:100%;object-fit:contain;padding:22px;
  filter:drop-shadow(0 10px 22px rgba(15,35,60,.12))}
.thumbs{display:flex;gap:12px;margin-top:14px;flex-wrap:wrap}
.thumbs img{width:80px;height:80px;object-fit:contain;border:1px solid var(--line);border-radius:9px;
  background:#fff;cursor:pointer;transition:.15s;padding:7px}
.thumbs img:hover{border-color:var(--brand)}
.summary .cat-link{font-size:.78rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--brand-ink)}
.summary h1{margin:10px 0 12px;font-size:2rem}
.summary .lead{font-size:1.05rem;color:var(--body);margin-bottom:20px}
.trust-line{display:flex;align-items:center;gap:9px;margin-bottom:18px;font-size:.88rem;color:var(--muted)}
.trust-line svg{width:18px;height:18px;color:var(--brand)}
.buybox{border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;background:var(--bg-soft);margin:22px 0}
.buybox .price-lg{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.buybox .price-lg .from{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.buybox .price-lg .amount{font-size:2rem;font-weight:800;color:var(--ink)}
.buybox .price-lg .amount small{font-size:.9rem;color:var(--muted);font-weight:600}
.buybox .price-note{font-size:.82rem;color:var(--muted);margin-bottom:18px}
.buybox .cta-row{display:flex;gap:12px;flex-wrap:wrap}
.buybox .cta-row .btn{flex:1;min-width:150px}
.contact-box{background:
    radial-gradient(500px 300px at 90% -30%,rgba(0,174,239,.4),transparent 60%),
    linear-gradient(120deg,#0a2440,#0e3357);border:0}
.contact-box .price-lg .amount,.contact-box .price-note,.contact-box .contact-h{color:#fff}
.contact-box .contact-h{font-size:1.25rem;font-weight:800;margin-bottom:6px}
.contact-box .price-note{color:#c3d6e6}
.feature-list{list-style:none;padding:0;margin:20px 0}
.feature-list li{display:flex;gap:11px;align-items:flex-start;padding:7px 0;font-size:.94rem}
.feature-list li svg{width:19px;height:19px;color:var(--brand);flex-shrink:0;margin-top:3px}
.assurance{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px;
  border-top:1px solid var(--line);padding-top:20px}
.assurance .a{text-align:center}
.assurance .a svg{width:24px;height:24px;color:var(--brand);margin:0 auto 6px}
.assurance .a span{font-size:.76rem;color:var(--muted);display:block}

/* ---------- Product content ---------- */
.pdp-body{padding:60px 0}
.pdp-layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
.prose h2{font-size:1.55rem;margin:34px 0 14px;padding-top:8px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.15rem;margin:22px 0 8px;color:var(--ink)}
.prose h4{font-size:1rem;margin:16px 0 6px;color:var(--ink)}
.prose p{color:var(--body)}
.prose ul{padding-left:0;list-style:none;margin:0 0 18px}
.prose ul li{position:relative;padding:5px 0 5px 28px;color:var(--body)}
.prose ul li::before{content:"";position:absolute;left:4px;top:13px;width:8px;height:8px;
  border-radius:2px;background:var(--brand);transform:rotate(45deg)}
.prose .callout{background:var(--brand-tint);border-left:4px solid var(--brand);border-radius:0 10px 10px 0;
  padding:16px 20px;margin:22px 0;color:var(--navy)}
.prose .callout strong{color:var(--brand-3)}
.prose img{border-radius:var(--radius);border:1px solid var(--line);margin:18px 0}
.feature-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
.feature-2 .fx{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:#fff}
.feature-2 .fx h4{margin:0 0 6px}
.feature-2 .fx p{margin:0;font-size:.9rem;color:var(--muted)}

/* spec table */
.spec-table{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:.88rem}
.spec-table caption{text-align:left;font-weight:700;color:var(--ink);padding:6px 0 10px;font-size:.95rem}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.spec-table thead th{background:var(--navy);color:#fff;font-weight:600;font-size:.8rem;
  text-transform:uppercase;letter-spacing:.03em}
.spec-table tbody tr:nth-child(even){background:var(--bg-soft)}
.freq-band{display:inline-block;background:var(--brand-tint);color:var(--brand-3);font-weight:700;
  padding:3px 10px;border-radius:6px;font-size:.82rem;margin:8px 6px 8px 0}

/* sticky aside */
.aside-card{position:sticky;top:100px;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm)}
.aside-card .ac-head{background:var(--navy);color:#fff;padding:18px 20px}
.aside-card .ac-head b{font-size:1.05rem}
.aside-card .ac-head span{font-size:.82rem;color:#a7c0d6;display:block;margin-top:3px}
.aside-card .ac-body{padding:20px}
.aside-nav{list-style:none;padding:0;margin:0}
.aside-nav li a{display:block;padding:8px 0;font-size:.9rem;color:var(--body);border-bottom:1px solid var(--line-2)}
.aside-nav li:last-child a{border:0}
.aside-nav li a:hover{color:var(--brand-ink);padding-left:6px;transition:.15s}

/* ---------- Sectors ---------- */
.sector-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sector{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:3/4;color:#fff}
.sector img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sector::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,36,64,.92),rgba(10,36,64,.12) 62%)}
.sector .lbl{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px}
.sector .lbl b{font-size:1.1rem;display:block}
.sector .lbl span{font-size:.82rem;color:#cfe0ee}

/* ---------- Feature split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.split.rev .split-media{order:2}
.split-media img{border-radius:var(--radius-lg);box-shadow:var(--shadow);background:#fff}
.split-media.frame{background:#fff;border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}
.split-media.frame img{box-shadow:none;height:320px;object-fit:contain;width:100%}
.split-body .kicker{display:inline-block;font-size:.76rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-ink);margin-bottom:12px}
.split-body h2{font-size:1.8rem;margin-bottom:14px}
.split-body ul{list-style:none;padding:0;margin:18px 0 0}
.split-body ul li{position:relative;padding:8px 0 8px 30px;color:var(--body)}
.split-body ul li svg{position:absolute;left:0;top:11px;width:20px;height:20px;color:var(--brand)}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{text-align:center}
.step .n{width:54px;height:54px;margin:0 auto 14px;border-radius:50%;background:var(--brand-tint);
  color:var(--brand-3);font-weight:800;font-size:1.3rem;display:flex;align-items:center;justify-content:center}
.step h4{margin-bottom:6px}
.step p{font-size:.9rem;color:var(--muted);margin:0}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:50px;text-align:center;color:#fff;
  background:
    radial-gradient(600px 300px at 85% -40%,rgba(0,174,239,.5),transparent 60%),
    linear-gradient(120deg,#0a2440,#0e3357)}
.cta-band h2{color:#fff;font-size:1.9rem;margin-bottom:10px}
.cta-band p{color:#d3e2ef;max-width:38em;margin:0 auto 24px}
.cta-band .btn-primary{background:var(--brand);color:#fff}
.cta-band .btn-primary:hover{background:#0b98cf;color:#fff}
.cta-band .btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.13);color:#fff}

/* ---------- Related ---------- */
.related{border-top:1px solid var(--line)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#a7c0d6;padding:60px 0 0;font-size:.9rem}
.site-footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:16px;letter-spacing:.02em}
.site-footer .bwordf{font-weight:800;font-size:1.4rem;color:#fff;margin-bottom:14px}
.site-footer .bwordf b{color:var(--brand)}
.site-footer p{color:#9fb6c9;margin-bottom:14px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{margin-bottom:9px}
.site-footer a{color:#a7c0d6}
.site-footer a:hover{color:#fff}
.site-footer .contact-li{display:flex;gap:9px;align-items:flex-start;margin-bottom:12px}
.site-footer .contact-li svg{width:17px;height:17px;color:var(--brand);flex-shrink:0;margin-top:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#89a2b8}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- Newsletter ---------- */
.news{display:flex;gap:10px;margin-top:8px}
.news input{flex:1;padding:11px 14px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  border-radius:8px;color:#fff;font-size:.88rem}
.news input::placeholder{color:#89a2b8}
.news button{padding:11px 18px;white-space:nowrap}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero .wrap,.cat-hero .wrap,.pdp-grid,.split,.pdp-layout{grid-template-columns:1fr}
  .hero-visual,.cat-hero .ch-visual{display:none}
  .split.rev .split-media{order:0}
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .trust .wrap,.sector-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .aside-card{display:none}
  .pdp-layout{gap:0}
}
@media(max-width:640px){
  .main-nav,.header-phone,.topbar .tb-right{display:none}
  .burger{display:inline-flex}
  .hero h1{font-size:2.1rem}
  .cat-hero h1,.section-head h2{font-size:1.7rem}
  .grid.cols-4,.grid.cols-3,.trust .wrap,.sector-grid,.steps,.assurance,.feature-2{grid-template-columns:1fr}
  .cta-band{padding:34px 22px}
  .wrap{padding:0 18px}
  .section{padding:52px 0}
  .topbar .tb-left .tb-item:first-child{padding-left:0}
}