/* Shared identity, locale controls and cinematic introduction. */
.nav .brand img,.footer-brand img{width:44px!important;height:44px!important;max-width:none;object-fit:contain!important;aspect-ratio:1;flex:none}
.nav .brand{gap:8px;flex-shrink:0}.language-picker{display:flex;align-items:center;flex-shrink:0;margin-left:10px}.language-picker select{appearance:none;background:#232326;color:#f5f5f7;border:1px solid #47474c;border-radius:999px;padding:7px 11px;font:600 11px system-ui;cursor:pointer;min-width:44px;text-align:center}.language-picker select:focus-visible{outline:2px solid #9edbd8;outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.nav{gap:14px}.nav nav{min-width:0}.chapter-nav{scrollbar-width:none}.chapter-nav::-webkit-scrollbar{display:none}
.constellation-hero{overflow:hidden;background:#020407;position:relative;text-align:center;padding-top:70px}.hero-heading{position:relative;z-index:1;margin:auto;max-width:1000px;padding:0 24px}.hero-heading .eyebrow{font-size:13px;letter-spacing:.11em;color:#c1d9e1;margin-bottom:18px}.hero-heading h1{font-size:clamp(48px,6.4vw,92px);font-weight:650;line-height:1.02;letter-spacing:-.06em;margin:0}.hero-heading h1 span{background:linear-gradient(100deg,#c4ebe0,#81aebb);color:transparent;background-clip:text}.hero-lead{color:#a4a9b1;font-size:clamp(16px,1.5vw,20px);line-height:1.5;margin:24px auto;max-width:640px}.hero-actions{display:flex;justify-content:center;align-items:center;gap:26px}.hero-text-link{color:#a2d5e2;font-size:15px}.hero-text-link span{margin-left:6px}.hero-film{position:relative;max-width:1440px;margin:-10px auto 0}.hero-film video{display:block;width:100%;height:auto;aspect-ratio:8/5;object-fit:contain;mask-image:linear-gradient(to bottom,transparent,black 7%,black 87%,transparent)}#intro-motion{position:absolute;right:5%;bottom:9%;color:#e5e7eb;background:#202328b8;border:1px solid #62676e7a;backdrop-filter:blur(20px);border-radius:24px;padding:10px 18px;font:12px system-ui;cursor:pointer}.cinema-title h2{font-size:clamp(48px,7vw,96px);line-height:1.02;letter-spacing:-.055em}.cinema{scroll-margin-top:100px}html[lang=ru] .nav nav{gap:16px}html[lang=ru] .nav a{white-space:nowrap}html[lang=ru] .section h2{overflow-wrap:normal}.nav .button{white-space:nowrap}
@media(min-width:1100px){.hero-film{margin-top:-35px;max-width:1180px}.hero-heading{padding-top:0}.constellation-hero{padding-top:62px}}
@media(max-width:1000px){.nav nav{gap:14px}.nav{gap:8px}.nav .brand{font-size:19px}.nav .brand img{width:38px!important;height:38px!important}.nav .button.small{padding:9px 13px}.language-picker{margin-left:0}html[lang=ru] .nav nav{gap:10px}}
@media(max-width:760px){.constellation-hero{padding-top:52px}.hero-film{width:125%;max-width:none;margin:12px -12.5% 0}.hero-heading h1{font-size:clamp(45px,9vw,65px)}.hero-lead{max-width:450px}.hero-actions{gap:18px}.hero-actions .button{font-size:14px;padding:13px 19px}.hero-text-link{font-size:14px}#intro-motion{right:15%;bottom:8%}.language-picker select{padding:7px 8px}.nav{padding-left:15px;padding-right:15px}.nav .brand img{width:34px!important;height:34px!important}.nav .brand{gap:5px}.nav .button.small{font-size:11px}.nav .language-picker{margin-left:auto}.nav .menu-toggle{margin-left:0}}
@media(prefers-reduced-motion:reduce){.constellation-hero *{animation:none!important;transition:none!important}}
/* V2: preserve the full device silhouette; never crop the choreography on mobile. */
.hero-film video{aspect-ratio:16/9;mask-image:none}
.hero-film{margin-top:18px;background:#000203}
@media(min-width:1100px){.hero-film{margin-top:12px;max-width:1250px}}
@media(max-width:760px){.hero-film{width:100%;margin:22px 0 0;padding-bottom:42px}.hero-film video{width:100%;object-fit:contain}#intro-motion{bottom:8px;right:20px}}
.intro-interface{position:absolute;inset:0;pointer-events:none}.intro-interface a{position:absolute;opacity:0;transform:translateY(22px) scale(.94);transition:opacity .65s,transform .85s cubic-bezier(.2,.7,.2,1);pointer-events:none;background:#20242acc;border:1px solid #ffffff30;box-shadow:0 16px 50px #0007;backdrop-filter:blur(18px);border-radius:16px;text-align:left;color:#f5f5f7}.intro-interface.ready a{opacity:1;transform:none;pointer-events:auto}.intro-app-card{width:23%;left:8%;bottom:13%;padding:12px;font-size:13px}.intro-app-card img{width:100%;display:block;border-radius:7px;margin:8px 0}.intro-card-link{color:#91d9df;font-size:11px}.intro-security-card{right:9%;top:14%;width:18%;padding:16px;display:grid;gap:7px;transition-delay:.16s!important}.intro-security-card svg{width:34px;height:34px;fill:none;stroke:#a7d9dc;stroke-width:1.5}.intro-security-card strong{font-size:17px}.intro-security-card span{font-size:11px;line-height:1.4;color:#bcc4cd}
@media(max-width:650px){.intro-app-card{left:3%;width:25%;bottom:19%;padding:6px;font-size:10px;border-radius:9px!important}.intro-card-link{font-size:9px}.intro-security-card{right:3%;top:12%;width:22%;padding:8px;border-radius:10px!important}.intro-security-card svg{width:22px;height:22px}.intro-security-card strong{font-size:12px}.intro-security-card span{display:none}}
@media(prefers-reduced-motion:reduce){.intro-interface a{transition:none}}

/* V3 follows the ChromeOS hero's ultra-wide device choreography. */
.hero-film{max-width:1600px;margin:28px auto 0;background:#020407;overflow:hidden}
.hero-film video{width:100%;aspect-ratio:239/62;object-fit:contain;background:#020407}
.intro-app-card{width:17%;left:15%;bottom:9%;padding:10px}
.intro-security-card{right:15%;top:13%;width:15%;padding:13px}
#intro-motion{right:3.5%;bottom:6%}
@media(min-width:1100px){.hero-film{max-width:1600px;margin-top:24px}}
@media(max-width:760px){
 .hero-film{width:100%;aspect-ratio:16/9;margin:22px 0 0;padding:0}
 .hero-film video{width:100%;height:100%;aspect-ratio:auto;object-fit:cover}
 .intro-app-card{left:4%;width:29%;bottom:10%}
 .intro-security-card{right:4%;top:12%;width:25%}
 #intro-motion{right:14px;bottom:10px}
}
/* Full-resolution ChromeOS-style hero render: preserve the complete frame and
   make its pure black background continuous with the page. */
.constellation-hero,.hero-film,.hero-film video{background:#000!important}
.hero-film{overflow:visible!important;max-width:1600px!important;aspect-ratio:auto!important}
.hero-film video{display:block!important;width:100%!important;height:auto!important;aspect-ratio:1792/464!important;object-fit:contain!important;object-position:center center!important;filter:none!important;image-rendering:auto}
@media(max-width:760px){.hero-film{overflow:hidden!important}.hero-film video{height:auto!important;object-fit:contain!important}}
.evidence-showcase{position:relative;overflow:hidden;background:#050607;padding:120px 28px;color:#f5f5f7}
.evidence-showcase:before{content:"";position:absolute;width:700px;height:700px;right:-300px;top:-330px;background:radial-gradient(circle,#21c8ba24,transparent 67%);pointer-events:none}
.evidence-inner{width:min(1180px,100%);margin:auto;position:relative}
.evidence-heading{max-width:850px;margin:0 auto 64px;text-align:center}
.evidence-heading .eyebrow{color:#9de2d7;letter-spacing:.16em;font-size:12px;font-weight:700}
.evidence-heading h2{font-size:clamp(48px,6vw,84px);line-height:1;letter-spacing:-.055em;margin:18px 0 26px}
.evidence-heading h2 span{background:linear-gradient(100deg,#a9ebde,#70a7bd);background-clip:text;color:transparent}
.evidence-heading>p:not(.eyebrow){max-width:700px;margin:0 auto 30px;color:#9ca3ad;font-size:18px;line-height:1.55}
.evidence-primary{display:inline-flex}
.evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.evidence-card{position:relative;min-height:330px;border:1px solid #ffffff17;border-radius:28px;padding:32px;background:linear-gradient(145deg,#17191d,#0d0f12);color:#f5f5f7!important;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease}
.evidence-card:hover{transform:translateY(-7px);border-color:#9de2d766;box-shadow:0 28px 70px #0008}
.evidence-card--wide{grid-column:span 2;min-height:300px}
.evidence-card--accent{background:radial-gradient(circle at 82% 20%,#317d842f,transparent 42%),linear-gradient(145deg,#182024,#0b0d10)}
.evidence-card svg{width:42px;height:42px;fill:none;stroke:#9de2d7;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.evidence-index{position:absolute;right:28px;top:26px;color:#ffffff31;font-size:14px;letter-spacing:.15em}
.evidence-card small{display:block;color:#8ed9ce;font-size:11px;letter-spacing:.13em;margin:26px 0 12px}
.evidence-card h3{font-size:clamp(27px,3vw,44px);line-height:1.05;letter-spacing:-.04em;margin:0 0 15px}
.evidence-card p{max-width:720px;color:#9ca3ad;line-height:1.55;margin:0}
.evidence-card code{color:#d9fff8;background:#ffffff0c;border:1px solid #ffffff13;padding:2px 7px;border-radius:7px}
.evidence-link{color:#9de2d7;margin-top:28px;font-size:14px}
@media(max-width:720px){.evidence-showcase{padding:85px 20px}.evidence-grid{grid-template-columns:1fr}.evidence-card--wide{grid-column:auto}.evidence-card{min-height:300px;padding:26px}.evidence-heading{margin-bottom:45px}}