:root{
  --bg:#ffffff;--soft-bg:#f4f4f2;--ink:#0a0a0a;--g2:#5c5c5c;--g3:#9a9a9a;--line:#dedede;--line-d:#2a2a2a;
  --sans:'Geist',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'Geist Mono',ui-monospace,Menlo,monospace;
  --pad:clamp(16px,3.5vw,48px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid currentColor;outline-offset:3px}
[hidden]{display:none!important}
.wrap{max-width:1320px;margin:0 auto;padding-inline:var(--pad)}
.mono{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;text-transform:uppercase}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:99px;background:var(--ink);color:#fff;font-weight:600;border:1.5px solid var(--ink);cursor:pointer;transition:transform .2s,background .2s,color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn.out{background:transparent;color:var(--ink)}.btn.out:hover{background:var(--ink);color:#fff}
.btn.sm{height:42px;padding:0 20px;font-size:.9rem}
.dark{background:var(--ink);color:#fff}
.dark .btn{background:#fff;color:var(--ink);border-color:#fff}
.dark .btn.out{background:transparent;color:#fff;border-color:#fff}.dark .btn.out:hover{background:#fff;color:var(--ink)}

header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:16px;height:64px}
.logo{font-weight:700;letter-spacing:-.03em;font-size:1.1rem;display:flex;align-items:center;gap:9px;margin-right:auto}
.logo::before{content:'V';display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--ink);color:#fff;font-size:.9rem}
.nav{display:none;gap:26px;font-size:.92rem;color:var(--g2)}.nav a:hover{color:var(--ink)}
.hdr-tel{display:none;font-family:var(--mono);font-size:.86rem}
.hb{white-space:nowrap}.hm{display:none}
@media(max-width:520px){.hd{display:none}.hm{display:inline}}
.burger{width:42px;height:42px;border:1.5px solid var(--ink);border-radius:50%;background:none;display:grid;place-items:center;cursor:pointer;color:var(--ink)}
.burger svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
header.open .nav{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px var(--pad) 16px}
header.open .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem;color:var(--ink)}
@media(min-width:1000px){.nav{display:flex}.hdr-tel{display:block}.burger{display:none}}

/* product hero */
.phero{padding-block:clamp(40px,7vw,96px) clamp(32px,5vw,64px)}
.phero h1{font-weight:800;letter-spacing:-.06em;line-height:.9}
.phero .nm{display:inline-block;background:var(--ink);color:#fff;padding:.02em .12em .1em;border-radius:.1em;line-height:1;font-size:clamp(3.4rem,10.5vw,8rem)}
.phero .ds{display:block;margin-top:.45em;font-size:clamp(1.5rem,3.8vw,3.2rem);letter-spacing:-.04em;line-height:1.08;font-weight:600;max-width:22ch;text-wrap:balance}
.hg{display:grid;gap:44px}
.hl .lead{margin-top:30px}.hl .acts{margin-top:28px}
.lead{font-size:clamp(1.1rem,1.5vw,1.3rem);color:var(--g2);max-width:44ch}
.acts{display:flex;flex-wrap:wrap;gap:12px}
.pnote{margin-top:18px;color:var(--g2);font-size:.95rem;max-width:46ch}
.pnote b{color:var(--ink);font-weight:600}
.hr .cap{margin-top:26px}
@media(min-width:960px){.hg{grid-template-columns:1.05fr 1fr;gap:64px;align-items:center}}

/* concept mock */
.concept{max-width:900px;margin:0 auto;padding-right:10px}
.cm{border:1.5px solid var(--ink);background:#fff;box-shadow:10px 10px 0 var(--ink);padding:clamp(14px,3vw,28px);display:grid;gap:clamp(10px,2vw,18px);min-height:260px}
.cm i,.cm u{display:block;background:#e6e6e4;border-radius:8px;text-decoration:none}
.cm .k{background:var(--ink)}
.cm .l{height:10px;border-radius:99px;background:#d6d6d4}.cm .l.s{width:55%}
.cm .t{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;color:var(--g2)}
.cm .bt{display:grid;place-items:center;height:42px;border-radius:99px;background:var(--ink);color:#fff;font-weight:600;font-size:.9rem}
.cm .pill{font-family:var(--mono);font-size:.62rem;text-transform:uppercase;border:1.5px solid var(--ink);border-radius:99px;padding:3px 10px;white-space:nowrap}
.cap{text-align:center;color:var(--g2);font-size:.9rem}
/* vezi */
.cm.vezi{grid-template-columns:1.7fr 1fr}
.cm.vezi .gr{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cm.vezi .it{display:grid;gap:8px}.cm.vezi .it i{aspect-ratio:4/3}
.cm.vezi .side{display:grid;gap:10px;align-content:start;border-left:1.5px dashed var(--g3);padding-left:clamp(10px,2vw,18px)}
/* kruzhka */
.cm.kr{grid-template-columns:1fr 1fr;align-items:center}
.cm.kr .card{border:1.5px solid var(--ink);border-radius:14px;padding:18px;display:grid;gap:14px}
.cm.kr .dots{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cm.kr .dots i{aspect-ratio:1;border-radius:50%;background:transparent;border:1.5px solid var(--ink)}
.cm.kr .dots i.on{background:var(--ink)}
.cm.kr .side{display:grid;gap:12px}
/* vitrina */
.cm.vt{grid-template-columns:.7fr 1.6fr}
.cm.vt .f{display:grid;gap:14px;align-content:start}
.cm.vt .f div{display:flex;gap:10px;align-items:center}.cm.vt .f i{width:16px;height:16px;border:1.5px solid var(--ink);background:transparent;border-radius:4px;flex:none}
.cm.vt .f .l{flex:1}
.cm.vt .list{display:grid;gap:12px}
.cm.vt .row{display:grid;grid-template-columns:70px 1fr auto;gap:14px;align-items:center;border:1.5px solid var(--line);border-radius:12px;padding:10px}
.cm.vt .row i{aspect-ratio:1}.cm.vt .row .tx{display:grid;gap:8px}
.cm img{display:block;width:100%}
@media(max-width:560px){.cm.vezi,.cm.kr,.cm.vt{grid-template-columns:1fr}.cm.vezi .side{border-left:none;padding-left:0;border-top:1.5px dashed var(--g3);padding-top:12px}.cm.vt .f{display:none}}

/* sections */
section.s{padding-block:clamp(52px,8vw,112px)}
.soft{background:var(--soft-bg)}
.sh{margin-bottom:clamp(26px,4vw,52px);display:flex;flex-direction:column;gap:14px}
h2{font-weight:700;letter-spacing:-.05em;line-height:.98;font-size:clamp(2.1rem,5.8vw,4.8rem);text-wrap:balance;max-width:18ch}
.sh p{color:var(--g2);max-width:54ch}.dark .sh p{color:#b5b5b5}
.spec{border-top:1.5px solid var(--ink)}
.dark .spec{border-top-color:#fff}
.spec>div{display:grid;grid-template-columns:48px 1fr;gap:4px 16px;padding:24px 0;border-bottom:1px solid var(--line);transition:padding .25s}
.dark .spec>div{border-bottom-color:var(--line-d)}
.spec i{font-family:var(--mono);font-style:normal;color:var(--g3);font-size:.85rem;padding-top:7px}
.spec b{font-size:clamp(1.35rem,2.6vw,2.1rem);letter-spacing:-.04em;font-weight:600;line-height:1.12}
.spec span{grid-column:2;color:var(--g2);max-width:54ch}.dark .spec span{color:#b5b5b5}
@media(min-width:900px){.spec>div{grid-template-columns:64px 1fr 1.1fr;align-items:baseline}.spec span{grid-column:3}}
@media(hover:hover){.spec>div:hover{padding-left:12px}}

.exd{display:grid;gap:22px;align-items:center}
.exc{display:block;border:1.5px solid var(--ink);background:#fff;overflow:hidden;transition:transform .3s,box-shadow .3s}
.exc img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top;filter:grayscale(1) contrast(1.05);transition:filter .4s;border-bottom:1.5px solid var(--ink)}
.exc div{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:14px 18px;font-weight:700;letter-spacing:-.02em}
.exc span{font-family:var(--mono);font-size:.7rem;color:var(--g2);text-transform:uppercase;font-weight:400}
@media(hover:hover){.exc:hover{transform:translate(-4px,-4px);box-shadow:8px 8px 0 var(--ink)}.exc:hover img{filter:none}}
@media(min-width:900px){.exd{grid-template-columns:1fr 1.1fr;gap:64px}}

.sol{border-top:1.5px solid var(--ink)}
.sol a{display:grid;grid-template-columns:1fr auto;gap:2px 20px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:padding .25s,background .25s,color .25s}
.sol b{font-size:clamp(1.6rem,3.4vw,2.6rem);letter-spacing:-.045em;font-weight:700;line-height:1.05}
.sol .d{grid-column:1;color:var(--g2)}
.sol .st{grid-column:2;grid-row:1/3;font-size:1.4rem}
@media(hover:hover){.sol a:hover{background:var(--ink);color:#fff;padding-inline:20px}.sol a:hover .d{color:#b5b5b5}}

.end h2{font-size:clamp(2.3rem,7vw,6rem);max-width:15ch}
.end .acts{margin-top:30px}
.band{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;justify-content:space-between}
.band h3{font-size:clamp(1.6rem,3.4vw,2.6rem);letter-spacing:-.045em;font-weight:700;line-height:1.05}
.band p{color:var(--g2);margin-top:6px}

footer.ftr{background:var(--ink);color:#b5b5b5;border-top:1px solid var(--line-d);padding-block:34px 90px;font-size:.9rem}
.ftr .wrap{display:grid;gap:8px}.ftr .wm{color:#fff;font-weight:700;font-size:1.1rem}.ftr a:hover{color:#fff}.ftr .legal{font-size:.8rem;color:var(--g2)}
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:45;display:flex;gap:10px;padding:10px var(--pad) calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .3s}
.mbar.show{transform:none}.mbar .btn{flex:1;height:46px;padding:0 14px;font-size:.92rem}
@media(min-width:900px){.mbar{display:none}}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s cubic-bezier(.2,.8,.2,1)}.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}