:root{
  --bg:#0A0F0D; --bg2:#0E1512; --surface:#131C18; --surface2:#18231E;
  --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --ink:#E9EFEB; --muted:#93A39A; --accent:#16C79A; --accent-2:#0E9E7C;
  --glow:rgba(22,199,154,.30);
  --sans:-apple-system,"SF Pro Display",system-ui,"Segoe UI",Roboto,"Helvetica Neue",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,"Cascadia Code",monospace;
  --wrap:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:
    radial-gradient(1200px 600px at 78% -8%, rgba(22,199,154,.10), transparent 60%),
    linear-gradient(180deg,var(--bg2),var(--bg) 40%);
  color:var(--ink);font-family:var(--sans);line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.1;letter-spacing:-.02em;text-wrap:balance}
section{padding:clamp(56px,9vw,120px) 24px}
.wrap,.hero,.measures,.features,.screens,.updates-inner{max-width:var(--wrap);margin-inline:auto}

/* header */
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;
  padding:14px clamp(16px,4vw,40px);
  background:rgba(10,15,13,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;font-weight:800;font-size:20px;
  letter-spacing:.04em}
.brand-o{color:var(--accent)}
.nav{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--muted)}
.nav a{transition:color .15s}
.nav a:hover{color:var(--ink)}
.lang{display:inline-flex;border:1px solid var(--line2);border-radius:999px;overflow:hidden}
.lang button{background:none;border:0;color:var(--muted);font:inherit;font-size:13px;font-weight:600;
  padding:6px 12px;cursor:pointer;transition:.15s}
.lang button.on{background:var(--accent);color:#07110D}
@media(max-width:720px){.nav{display:none}}

/* hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,70px);align-items:center;
  padding-top:clamp(48px,7vw,90px)}
.eyebrow{margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent)}
.hero h1{font-size:clamp(34px,5.6vw,60px);font-weight:800}
.lead{margin:22px 0 30px;font-size:clamp(16px,1.6vw,19px);color:var(--muted);max-width:34em}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;font-weight:650;font-size:15px;border-radius:12px;
  padding:13px 22px;transition:.16s;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#07110D}
.btn-primary:hover{background:#20d9aa;transform:translateY(-1px)}
.btn-ghost{border-color:var(--line2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.hero-shot{position:relative}
.hero-shot .glow{position:absolute;inset:-8% -6% -14% -6%;
  background:radial-gradient(60% 60% at 60% 40%,var(--glow),transparent 70%);filter:blur(24px);z-index:0}
/* реальные экраны прибора — «рамка-дисплей» 800×480 */
.device-shot img,.shots img,.feat-wide img{position:relative;z-index:1;width:100%;height:auto;
  border-radius:14px;border:1px solid var(--line2);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 30px 60px -20px rgba(0,0,0,.7);
  background:#000;aspect-ratio:800/480;object-fit:cover}
/* фото продукта (рендеры) — естественная пропорция, без кропа */
.hero-shot img,.design-hero img{position:relative;z-index:1;width:100%;height:auto;
  border-radius:16px;box-shadow:0 40px 80px -30px rgba(0,0,0,.7)}
@media(max-width:860px){.hero{grid-template-columns:1fr;text-align:left}
  .hero-shot{max-width:520px}}

/* section headings */
h2{font-size:clamp(26px,3.4vw,40px);font-weight:800}
h2::before{content:"";display:inline-block;width:26px;height:3px;border-radius:2px;
  background:var(--accent);vertical-align:middle;margin-right:14px;transform:translateY(-6px)}
.section-lead{color:var(--muted);max-width:40em;margin:16px 0 40px;font-size:clamp(15px,1.5vw,18px)}

/* measures */
.metric-grid{list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.metric-grid li{background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:20px 18px;display:flex;flex-direction:column;gap:4px;transition:.16s}
.metric-grid li:hover{border-color:var(--line2);transform:translateY(-2px)}
.m-ic{font-weight:800;font-size:20px;color:var(--c,var(--accent));font-family:var(--mono);letter-spacing:-.02em}
.metric-grid b{font-weight:650;font-size:16px}
.metric-grid i{font-style:normal;color:var(--muted);font-size:13px}

/* features */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px 24px}
.feat h3{font-size:19px;margin-bottom:10px}
.feat p{margin:0;color:var(--muted);font-size:15px}
.feat-wide{grid-column:span 2;display:flex;flex-direction:column;gap:20px}
.feat-wide img{margin-top:auto}
@media(max-width:900px){.feat-grid{grid-template-columns:repeat(2,1fr)}.feat-wide{grid-column:span 2}}
@media(max-width:600px){.feat-grid{grid-template-columns:1fr}.feat-wide{grid-column:span 1}}

/* screens */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.shots figure{margin:0}
.shots figcaption{margin-top:12px;color:var(--muted);font-size:14px}
@media(max-width:760px){.shots{grid-template-columns:1fr;max-width:520px;margin-inline:auto}}

/* updates */
.updates{background:
  linear-gradient(180deg,transparent,rgba(22,199,154,.05)),var(--bg)}
.updates-inner{background:var(--surface);border:1px solid var(--line2);border-radius:20px;
  padding:clamp(30px,5vw,54px);position:relative;overflow:hidden}
.updates-inner::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border-radius:50%;background:radial-gradient(circle,var(--glow),transparent 70%);filter:blur(10px)}
.updates-inner h2::before{display:none}
.updates-inner p{color:var(--muted);max-width:44em;font-size:clamp(15px,1.5vw,18px);margin:16px 0}
.fw-note{font-size:14px}
.mono{font-family:var(--mono);color:var(--accent)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:44px 24px;text-align:center;color:var(--muted)}
.foot-brand{font-weight:800;font-size:20px;letter-spacing:.02em;color:var(--ink)}
.disclaimer{max-width:52em;margin:16px auto;font-size:13px;line-height:1.6}
.copy{font-size:13px;margin:0}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* hero note */
.hero-note{margin-top:22px;font-size:13.5px;color:var(--muted);letter-spacing:.01em}

/* USP */
.usp-head{max-width:var(--wrap);margin:0 auto}
.usp-cards{max-width:var(--wrap);margin:34px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.usp-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;
  border-top:3px solid var(--accent)}
.usp-card.warn{border-top-color:#E0A93B}
.usp-card.cool{border-top-color:#6FA8DC}
.usp-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent);margin-bottom:12px}
.usp-card.warn .usp-tag{color:#E0A93B}
.usp-card.cool .usp-tag{color:#6FA8DC}
.usp-card p{margin:0;color:var(--ink);font-size:15.5px;line-height:1.55}
@media(max-width:820px){.usp-cards{grid-template-columns:1fr}}

/* device strip */
.device{max-width:var(--wrap);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(28px,5vw,64px);align-items:center}
.device-copy h2::before{display:none}
.device-copy p{color:var(--muted);font-size:clamp(15px,1.5vw,18px);margin:16px 0 20px}
.device-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.device-list li{position:relative;padding-left:24px;color:var(--ink);font-size:15px}
.device-list li::before{content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(22,199,154,.15)}
@media(max-width:820px){.device{grid-template-columns:1fr}.device-shot{max-width:520px}}

/* app + phone mockup */
.app{max-width:var(--wrap);margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;
  gap:clamp(30px,5vw,70px);align-items:center}
.app-copy h2::before{display:none}
.badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#07110D;background:var(--accent);padding:5px 12px;border-radius:999px;margin-bottom:16px}
.app-copy p{color:var(--muted);font-size:clamp(15px,1.5vw,18px);margin:0 0 22px}
.app-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.app-list li{position:relative;padding-left:26px;color:var(--muted);font-size:15px}
.app-list li b{color:var(--ink);font-weight:650}
.app-list li::before{content:"";position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.phone{justify-self:center}
.phone-scr{width:280px;aspect-ratio:9/19;background:linear-gradient(180deg,#0d1512,#0a100e);
  border:10px solid #05201a;border-radius:38px;padding:22px 16px 18px;
  box-shadow:0 40px 80px -24px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.05) inset;
  display:flex;flex-direction:column;gap:14px}
.p-top{display:flex;justify-content:space-between;align-items:center}
.p-brand{font-weight:800;letter-spacing:.03em;color:#fff}
.p-live{font-size:11px;color:var(--accent);font-weight:600}
.p-tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.p-tile{background:var(--surface2);border:1px solid var(--line);border-radius:14px;padding:12px}
.p-tile i{font-style:normal;font-size:11px;color:var(--muted)}
.p-tile b{display:block;font-size:24px;font-weight:800;margin:2px 0;color:#fff}
.p-tile b small{font-size:12px;font-weight:600;color:var(--muted)}
.p-tile u{text-decoration:none;font-size:11px;color:var(--accent)}
.p-chart{width:100%;height:96px;background:var(--surface2);border:1px solid var(--line);border-radius:14px;padding:6px}
.p-legend{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted)}
.p-legend .dot{width:9px;height:9px;border-radius:50%}
.p-legend .dot.a{background:#16C79A}.p-legend .dot.b{background:#6FA8DC}
.p-legend i{font-style:normal;margin-right:8px}
.p-hint{margin-top:auto;text-align:center;font-size:13px;font-weight:600;color:#07110D;
  background:var(--accent);border-radius:12px;padding:11px}
@media(max-width:820px){.app{grid-template-columns:1fr}.phone{order:-1}}

/* design / materials */
.design{text-align:center}
.design .section-lead{margin-inline:auto}
.design-hero{max-width:960px;margin:10px auto 34px}
.mat-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.mat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 26px;min-width:150px}
.mat.on{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.mat b{display:block;font-size:17px}
.mat i{font-style:normal;font-size:13px;color:var(--muted)}
.mat.on i{color:var(--accent)}