:root{
  --ink:#0B1B2B; --ink2:#16324A; --ink3:#22475F;
  --acc:#1D7FE0; --acc-d:#0B5FAB; --acc-l:#E8F2FC;
  --bg:#F5F8FC; --card:#fff; --line:#E1E9F2; --line2:#CBD8E6;
  --muted:#5A7085; --ok:#0E9F6E; --warn:#B45309;
  --r:12px; --r2:18px; --r3:26px;
  --sh:0 1px 2px rgba(11,27,43,.05),0 10px 30px rgba(11,27,43,.06);
  --sh2:0 2px 8px rgba(11,27,43,.08),0 24px 60px rgba(11,27,43,.12);
  --w:1240px;
}
*{box-sizing:border-box}
body{margin:0;font:16.5px/1.62 Inter,"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.12;letter-spacing:-.025em;font-weight:800}
h1{font-size:clamp(30px,4vw,52px)}
h2{font-size:clamp(23px,2.6vw,34px)}
h3{font-size:18px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.1em}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.small{font-size:14px}

.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 24px;border-radius:999px;font-weight:650;font-size:15.5px;border:1px solid transparent;transition:.18s;white-space:nowrap;cursor:pointer}
.btn--acc{background:var(--acc);color:#fff;box-shadow:0 8px 20px rgba(29,127,224,.25)}
.btn--acc:hover{background:var(--acc-d)}
.btn--ghost{background:#fff;border-color:var(--line2);color:var(--ink)}
.btn--ghost:hover{border-color:var(--acc);color:var(--acc-d)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink2)}

/* header */
.hdr{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.hdr__in{display:flex;align-items:center;gap:30px;height:82px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo__mark{width:44px;height:44px;border-radius:13px;background:linear-gradient(145deg,#2E9BE6,#0B5FAB);color:#fff;display:grid;place-items:center}
.logo__mark svg{width:28px;height:28px}
.logo__txt b{display:block;font-size:20px;letter-spacing:-.03em;line-height:1.05}
.logo__txt i{font-style:normal;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;gap:26px;flex:1 1 auto;font-size:15.5px;font-weight:550}
.nav a{color:var(--ink2);position:relative;padding:6px 0}
.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--acc);transition:.2s}
.nav a:hover{color:var(--acc-d)}
.nav a:hover:after{right:0}
.hdr__cta{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.hdr__mail{font-weight:600;font-size:15px;color:var(--ink2)}
.hdr__mail:hover{color:var(--acc-d)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line2);background:#fff;border-radius:12px;position:relative}
.burger span,.burger span:before,.burger span:after{position:absolute;left:12px;width:20px;height:2px;background:var(--ink);content:""}
.burger span{top:21px}.burger span:before{top:-6px}.burger span:after{top:6px}
.mmenu{display:none;border-top:1px solid var(--line);background:#fff}
.mmenu.open{display:block}
.mmenu__in{display:grid;gap:2px;padding:14px 24px 22px;font-weight:600}

/* hero */
.hero{padding:70px 0 40px;position:relative;overflow:hidden}
.hero__in{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero__kick{display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--acc-d);background:var(--acc-l);padding:7px 14px;border-radius:999px;margin-bottom:22px;font-weight:650}
.hero h1{margin-bottom:20px;font-size:clamp(28px,3.5vw,46px)}
.hero__lead{font-size:18.5px;color:#2B445B;max-width:54ch}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 36px}
.hero__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--line);padding-top:26px;max-width:560px}
.hero__facts b{display:block;font-size:30px;letter-spacing:-.04em;line-height:1}
.hero__facts span{font-size:13.5px;color:var(--muted);display:block;margin-top:6px}
.hero__art{position:relative}
.hero__art:before{content:"";position:absolute;inset:24px -24px -24px 24px;background:linear-gradient(150deg,#0B1B2B,#16324A);border-radius:var(--r3)}
.hero__card{position:relative;background:#fff;border-radius:var(--r3);padding:26px;box-shadow:var(--sh2)}
.hero__card img{width:100%;height:auto;object-fit:contain;mix-blend-mode:multiply}
.hero__cap{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:16px;font-size:13.5px;color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12.5px;font-weight:600;color:var(--ink2)}

/* sections */
.sec{padding:64px 0}
.sec--t{background:#fff;border-block:1px solid var(--line)}
.sec__head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;margin-bottom:32px}
.sec__head h2{margin:0}
.sec__head p{margin:8px 0 0;color:var(--muted);max-width:66ch}
.link-all{font-weight:650;color:var(--acc-d);white-space:nowrap}
.link-all:hover{text-decoration:underline}

.grid-sc{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:14px}
.sc{position:relative;background:linear-gradient(160deg,#0E2438,#0B1B2B);color:#fff;border-radius:var(--r2);padding:22px 20px 20px;overflow:hidden;transition:.2s}
.sc:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.sc__code{display:block;font-size:27px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1;margin-bottom:10px}
.sc__hint{display:block;font-size:12.5px;color:#8FB6D6;line-height:1.35;margin-bottom:12px;min-height:34px}
.sc__n{font-size:12.5px;color:#9FB6C8}
.sc__arrow{position:absolute;right:18px;top:18px;color:#7DBBF0;font-size:17px;opacity:0;transition:.2s}
.sc:hover .sc__arrow{opacity:1}

.grid-pc{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.pc{background:#fff;border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;display:flex;flex-direction:column;transition:.2s;box-shadow:var(--sh)}
.pc:hover{transform:translateY(-3px);border-color:var(--line2);box-shadow:var(--sh2)}
.pc__img{display:block;background:#F8FAFD;padding:14px;aspect-ratio:1/1;border-bottom:1px solid var(--line)}
.pc__img img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.pc__sch{width:100%;height:100%;color:#8FA9BF}
.pc__body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1}
.pc__tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px;min-height:22px}
.tag{font-size:11px;font-weight:650;letter-spacing:.03em;padding:3px 8px;border-radius:7px;background:#EEF3F9;color:#3A556E}
.tag--ser{background:var(--acc);color:#fff}
.pc__name{font-size:15px;line-height:1.35;font-weight:650;margin:0 0 14px}
.pc__name a:hover{color:var(--acc-d)}
.pc__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding-top:13px}
.pc__price{font-size:13px;font-weight:650;color:var(--muted)}
.pc__go{width:30px;height:30px;border-radius:9px;background:var(--bg);display:grid;place-items:center;color:var(--acc-d);font-weight:700}
.pc:hover .pc__go{background:var(--acc);color:#fff}

.why{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.why div{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:26px}
.why b{display:block;font-size:16px;margin-bottom:8px}
.why p{margin:0;font-size:14.5px;color:var(--muted)}
.why__num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--acc-l);color:var(--acc-d);font-weight:800;font-size:15px;margin-bottom:14px}

.about{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:start}
.about__txt p{color:#2B445B;font-size:16.5px}
.about__facts{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:24px;display:grid;gap:14px}
.about__facts li{list-style:none;border-left:3px solid var(--acc);padding-left:14px}
.about__facts b{display:block;font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:3px;font-weight:650}
.about__facts span{font-weight:650;font-size:15.5px}

/* crumbs */
.crumbs{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:13.5px;color:var(--muted);padding:24px 0 10px}
.crumbs a:hover{color:var(--acc-d)}
.crumbs i{font-style:normal;opacity:.5}
.crumbs span{color:var(--ink2)}

/* category */
.cat-head{padding:8px 0 26px;border-bottom:1px solid var(--line)}
.cat-head h1{margin-bottom:14px}
.cat-lead{font-size:17.5px;color:#2B445B;max-width:78ch}
.cat-meta{display:flex;gap:26px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-top:18px}
.cat-meta b{color:var(--ink)}
.subcats{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;margin:24px 0 6px}
.subcats a{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:13px 16px;font-size:14.5px;font-weight:600;display:flex;justify-content:space-between;gap:8px}
.subcats a:hover{border-color:var(--acc);color:var(--acc-d)}
.subcats i{font-style:normal;color:var(--muted);font-weight:500;font-size:13px}

.shop-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:28px 0 18px;flex-wrap:wrap}
.shop-bar h2{font-size:20px;margin:0}
.shop-bar span{font-size:14px;color:var(--muted)}

.art{max-width:860px;margin:52px 0 0}
.art h2{margin-top:38px;font-size:24px}
.art p{color:#26404F}
.art .spec{max-width:720px}
.steps li{margin-bottom:10px;color:#26404F}
.dots li{margin-bottom:7px}
.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:16px 0 24px;font-size:15px}
.spec th,.spec td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec th{width:50%;font-weight:500;color:var(--muted);background:#FAFCFE}
.spec td{font-weight:600}

.faq{margin-top:44px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:650;font-size:15.5px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";color:var(--acc);font-weight:800;margin-right:12px}
.faq details[open] summary:before{content:"–"}
.faq p{margin:12px 0 2px;color:#2A4258;font-size:15px}

/* product */
.prod{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start;padding:4px 0 12px}
.prod__media{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:24px;position:sticky;top:104px}
.prod__media img{width:100%;height:auto;object-fit:contain;mix-blend-mode:multiply}
.prod__media .sch{color:#8FA9BF;height:auto}
.prod__schet{font-size:12.5px;color:var(--muted);text-align:center;margin-top:12px}
.prod__brand{font-size:13px;color:var(--muted);margin-bottom:10px;letter-spacing:.02em}
.prod__brand b{color:var(--acc-d)}
.prod h1{font-size:clamp(26px,2.9vw,38px);margin-bottom:16px}
.prod__tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:22px}
.buy{background:#fff;border:1px solid var(--line);border-radius:var(--r2);padding:24px;box-shadow:var(--sh)}
.buy__price{font-size:26px;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.buy__note{font-size:13.5px;color:var(--muted);margin:8px 0 18px}
.buy__cta{display:flex;gap:10px;flex-wrap:wrap}
.buy__meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.buy__meta b{color:var(--ink2);font-weight:650}
.prod__tabs{margin-top:40px}
.prod__tabs h2{font-size:23px;margin-top:34px}

/* pager */
.pg{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:40px 0 10px}
.pg a,.pg span.pg__cur{padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:650}
.pg a:hover{border-color:var(--acc);color:var(--acc-d)}
.pg .pg__cur{background:var(--ink);color:#fff;border-color:var(--ink)}

.note{background:#FFF7EA;border:1px solid #F3DDB6;color:#7A4A05;border-radius:var(--r);padding:16px 18px;font-size:14.5px;margin:20px 0}
.empty{background:#fff;border:1px dashed var(--line2);border-radius:var(--r2);padding:28px;text-align:center;color:var(--muted)}

/* footer */
.ftr{background:var(--ink);color:#A9BECD;margin-top:80px;font-size:15px}
.ftr__in{display:grid;grid-template-columns:1.5fr 1fr .9fr 1fr;gap:36px;padding:56px 24px 40px}
.ftr h4{color:#fff;font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.ftr a{display:block;padding:5px 0;color:#A9BECD}
.ftr a:hover{color:#fff}
.ftr__logo{color:#fff;font-weight:800;font-size:20px;letter-spacing:-.02em;margin-bottom:14px}
.ftr__mail{color:#fff!important;font-weight:650;font-size:16px;margin-top:8px}
.ftr .small{color:#8FA6B8;margin-bottom:14px}
.ftr .btn{margin-top:6px;color:#fff}
.ftr__bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding:20px 24px 30px;font-size:12.5px;color:#7E95A8}

@media(max-width:1080px){
  .hero__in{grid-template-columns:1fr;gap:34px}
  .prod{grid-template-columns:1fr;gap:26px}
  .prod__media{position:static}
  .about{grid-template-columns:1fr;gap:26px}
  .why{grid-template-columns:1fr}
  .ftr__in{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav,.hdr__mail{display:none}
  .burger{display:block}
  .hdr__in{height:68px;gap:14px}
  .hero{padding:40px 0 20px}
  .sec{padding:44px 0}
  .grid-pc{grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:12px}
  .pc__name{font-size:13.5px}
  .ftr__in{grid-template-columns:1fr;gap:26px}
}
@media(max-width:560px){
  .hero__facts{grid-template-columns:1fr 1fr}
  .grid-sc{grid-template-columns:1fr 1fr}
}