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@media(max-width:980px){.primary-nav{gap:1rem}.hero{grid-template-columns:1fr 1fr}.hero-visual{min-height:450px}.hero-device{width:76%}.intro-layout,.engineering-layout{gap:2rem}.product-grid{grid-template-columns:1fr 1fr}.product-card-large{grid-row:span 2}.product-card-large .product-visual{height:100%}.applications-section{grid-template-columns:.9fr 1.1fr}.measure-cards{grid-template-columns:1fr 1fr}.measure-cards article:nth-child(2){border-right:0}.measure-cards article:nth-child(-n+2){border-bottom:1px solid var(--line)}.measure-cards article:nth-child(3){padding-left:0}.contact-section{grid-template-columns:.35fr 1.3fr .7fr}.interface-row{grid-template-columns:1fr 1.5fr}.interface-note{grid-column:2}}
@media(max-width:700px){.announcement{font-size:.52rem}.site-header{height:68px}.brand-mark{width:34px;height:34px}.primary-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:1rem var(--gutter) 1.4rem;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;gap:1rem}.site-header.menu-open .primary-nav{display:flex}.menu-toggle{display:flex;border:0;background:transparent;padding:.5rem;flex-direction:column;gap:5px}.menu-toggle>span:not(.visually-hidden){width:20px;height:1px;background:var(--ink)}.header-contact{margin-left:auto}.hero{display:block;min-height:auto;padding-top:4rem;padding-bottom:5rem}.hero h1{font-size:clamp(3rem,11.5vw,5rem);margin-top:1.5rem}.hero-lede{font-size:.87rem}.hero-note{margin-top:2rem}.hero-visual{min-height:370px;margin-top:1.5rem}.hero-device{height:340px;width:67%}.visual-orbit{width:90%}.orbit-two{width:70%}.coordinate-top{right:0}.coordinate-bottom{left:0;bottom:8%}.device-caption{left:4%;bottom:16%}.wave-line{bottom:13%}.hero-index{bottom:1.35rem}.section-pad{padding-block:4.5rem}.intro-layout,.engineering-layout{display:block;margin-top:1.7rem}.section-pad h2,.applications-copy h2{font-size:clamp(2.5rem,10vw,4rem)}.intro-text{margin-top:1.5rem}.measurement-strip{margin-top:2.5rem;grid-template-columns:1fr 1fr}.measurement-strip>div{min-height:100px;padding:.9rem .7rem}.measurement-strip>div:first-child{padding-left:.7rem}.measurement-strip>div:nth-child(2){border-right:0}.measurement-strip>div:nth-child(3),.measurement-strip>div:nth-child(4){border-top:1px solid var(--line)}.measurement-strip .strip-coordinate{display:none}.section-heading{display:block;margin-bottom:2rem}.section-heading>p{margin-top:1.3rem}.product-grid{display:block}.product-card,.product-card:nth-child(2){margin:0 0 1.5rem}.product-visual,.product-card-large .product-visual{height:clamp(290px,86vw,430px)}.product-visual-dark img{height:84%;width:72%}.catalog-footer{align-items:flex-start;gap:1rem}.catalog-footer .arrow-link{max-width:60%;text-align:right}.applications-section{display:flex;flex-direction:column}.applications-image{min-height:320px}.applications-image:after{background:linear-gradient(0deg,#0c171a,transparent 70%)}.applications-image img{object-position:center}.applications-copy{padding:2rem var(--gutter) 4.5rem}.system-diagram{min-height:450px;padding:1.5rem;flex-direction:column;align-items:stretch}.diagram-node{width:100%;min-height:88px}.diagram-connector{flex:0;min-height:28px;align-items:flex-start;padding-left:1.1rem}.diagram-connector i{width:1px;height:18px;margin-left:.4rem}.diagram-connector i:after{top:auto;bottom:0;right:-3px;border:4px solid transparent;border-bottom:0;border-top-color:#82938a}.diagram-connector small{margin-top:-1.7rem;margin-left:1.1rem}.diagram-axis{display:none}.contact-section{display:block;padding-block:4.5rem}.contact-coordinate{margin-bottom:2rem}.contact-side{margin-top:3rem;justify-self:auto;text-align:left;align-items:flex-start}.contact-section:after{right:-55%;top:10%;width:100%}.site-footer{min-height:100px;display:grid;grid-template-columns:1fr auto;gap:.8rem}.site-footer>span{grid-column:1}.site-footer>a:last-child{grid-column:2;grid-row:1/3}.breadcrumbs{font-size:.52rem;overflow:hidden;white-space:nowrap}.product-hero{display:flex;flex-direction:column;padding-top:1rem;gap:1.5rem}.product-hero-copy{padding:1rem 0}.product-hero h1{font-size:clamp(5rem,20vw,7rem)}.product-subtitle{font-size:1.7rem}.product-hero-stage{min-height:380px}.product-hero-stage img{width:63%;height:75%}.measure-cards{grid-template-columns:1fr 1fr}.measure-cards article{min-height:180px;padding:1rem .75rem}.measure-cards article:first-child{padding-left:0}.measure-cards h2{font-size:1rem;margin-top:2rem}.measure-cards p{font-size:.62rem}.composition-layout{display:block}.composition-main{min-height:360px;margin-bottom:1rem}.component-list article{grid-template-columns:2.2rem 1fr 1.2rem;padding:.8rem .2rem}.integration-section{display:block;padding-block:4.5rem}.ship-axis-graphic{margin-top:2.5rem}.interface-row{grid-template-columns:1fr}.interface-note{grid-column:auto}.interface-tags span{font-size:.56rem}.document-row{align-items:flex-start}.document-row>a{white-space:nowrap}.product-contact{display:block;padding-block:4rem}.product-contact .button{margin-top:1.3rem}.product-contact:after{right:-80%;top:0;width:130%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Второе направление: строгая судовая инженерия и реальный масштаб моря. */
:root{--ink:#081317;--ink-soft:#121f23;--paper:#e9ece8;--paper-strong:#f2f3ef;--line:#c5ccc9;--muted:#66747a;--signal:#d19a43;--signal-bright:#f0bd67;--sea:#a9b9c1}
.hero-scale{display:block;min-height:min(850px,calc(100svh - 112px));padding:clamp(4.5rem,9vw,8.5rem) var(--gutter) 6rem;position:relative;isolation:isolate;background:#091419;overflow:hidden}
.hero-scale .hero-grid{display:none}
.hero-sea-image{position:absolute;z-index:-2;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 45%;filter:grayscale(.55) saturate(.68) brightness(.44) contrast(1.18)}
.hero-sea-shade{position:absolute;z-index:-1;inset:0;background:linear-gradient(90deg,#081317 0%,#081317f0 32%,#081317a6 58%,#08131747 100%),linear-gradient(0deg,#081317df 0%,transparent 35%,#0813173d 100%)}
.hero-scale:after{display:none}
.hero-scale .hero-copy{max-width:740px;width:min(62%,760px);min-height:570px;display:flex;flex-direction:column;justify-content:center;padding:0 0 2rem}
.hero-scale .eyebrow{color:var(--signal-bright)}
.hero-scale h1{font-size:clamp(4.2rem,8vw,8.6rem);line-height:.92;letter-spacing:-.085em;max-width:760px;margin:2.3rem 0 1.8rem;text-wrap:balance}
.hero-scale h1 em{font-family:var(--sans);font-style:normal;font-weight:500;color:#c7d0d2;letter-spacing:-.075em}
.hero-scale .hero-lede{max-width:510px;color:#d0d8d9;font-size:1rem;line-height:1.7}
.hero-scale .hero-note{margin-top:3.4rem;color:#a0abad}
.hero-proof{position:absolute;z-index:2;right:var(--gutter);bottom:7rem;width:min(365px,32%);padding:1.2rem 1.2rem 1rem;background:#081317d9;border:1px solid #d9e1df54;backdrop-filter:blur(8px);color:var(--paper)}
.proof-label{margin:0 0 .65rem;color:var(--signal-bright);font:500 .56rem var(--mono);letter-spacing:.1em}
.proof-row{display:flex;align-items:baseline;justify-content:space-between;gap:.7rem;padding:.62rem 0;border-top:1px solid #d6e0dc36;font-size:.66rem;color:#bac5c5}
.proof-row strong{color:#f1f3ef;font:500 .75rem var(--mono);white-space:nowrap}
.proof-footnote{margin:.65rem 0 0;color:#929fa0;font:400 .5rem/1.55 var(--mono)}
.hero-scale .hero-index{color:#c0c9c8;bottom:1.5rem}
.hero-scale .index-divider{background:#c0c9c85c}
.precision-section{background:#111d21;color:#e9ece8;padding:clamp(4.5rem,8vw,7.5rem) var(--gutter);display:grid;grid-template-columns:.84fr 1.16fr;column-gap:clamp(2rem,7vw,7rem);align-items:center;position:relative;overflow:hidden}
.precision-section:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:#89989a3a}
.precision-heading .section-kicker{color:#b2bec0}
.precision-heading h2{font-size:clamp(2.5rem,4.6vw,4.7rem);line-height:1.03;letter-spacing:-.075em;margin:1.7rem 0 1.2rem;font-weight:600}
.precision-heading h2 em{font:400 .95em/1.05 Georgia,serif;color:#bdc9cc;letter-spacing:-.06em}
.precision-heading>p{max-width:410px;color:#aab6b7;font-size:.78rem;line-height:1.75}
.precision-calculation{display:grid;grid-template-columns:1fr auto 1fr auto 1.15fr;gap:1rem;align-items:center;border:1px solid #8f9c9c59;padding:1.25rem;position:relative;background:linear-gradient(135deg,#ffffff06,transparent 58%)}
.calculation-value,.calculation-result{display:grid;align-content:center;gap:.45rem;min-width:0}
.calculation-value>span,.calculation-result>span{color:#aab5b6;font:500 .5rem/1.5 var(--mono);letter-spacing:.08em}
.calculation-value strong,.calculation-result strong{font:500 clamp(1.8rem,3.4vw,3.2rem)/1 var(--mono);letter-spacing:-.07em;white-space:nowrap}
.calculation-value small,.calculation-result small{color:#899899;font:400 .5rem/1.55 var(--mono)}
.calculation-value i,.calculation-result i{font-style:normal;font-size:.55em;letter-spacing:0;color:#bdc6c6}
.calculation-operator,.calculation-equals{color:var(--signal-bright);font:400 1.3rem var(--mono)}
.calculation-result strong{color:var(--signal-bright)}
.calculation-scale{grid-column:1/-1;display:flex;align-items:center;gap:.8rem;color:#9aa7a8;font:500 .5rem var(--mono);padding-top:.5rem}
.calculation-scale i{height:2px;flex:1;background:linear-gradient(90deg,#849598 0 100%);position:relative}
.calculation-scale i:before,.calculation-scale i:after{content:"";position:absolute;top:-3px;width:1px;height:8px;background:#c5cfce}.calculation-scale i:before{left:0}.calculation-scale i:after{right:0}
.calculation-note{grid-column:1/-1;margin:.2rem 0 0;color:#899697;font:400 .49rem/1.55 var(--mono)}
.precision-source{grid-column:1/-1;margin-top:1.5rem;color:#829092;font:400 .52rem/1.6 var(--mono)}
.hero-scale .button-light{background:#e8ece8;color:#091519}.hero-scale .button-light:hover{background:#fff}.hero-scale .text-link span,.arrow-link span{color:var(--signal-bright)}
.intro h2 em,.systems-section h2 em,.engineering-section h2 em{color:#526b78}
.applications-image:after{background:linear-gradient(90deg,transparent 45%,#081317 100%),linear-gradient(0deg,#08131765,transparent 45%)}
.applications-image img{filter:saturate(.45) contrast(1.12) brightness(.72)}
.product-visual-dark:before,.product-visual-dark:after,.composition-main:before,.stage-ring{display:none}
.product-visual-dark{background:#172226}
.product-visual-dark img{filter:grayscale(.2) drop-shadow(0 18px 16px #0006)}
.product-card:hover .product-visual img{transform:none}
.round-arrow{border-radius:0;border-color:#87928e}
.product-hero-stage{background:#1d292c}
.product-hero-stage:before{background-image:linear-gradient(#b7c4c014 1px,transparent 1px),linear-gradient(90deg,#b7c4c014 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent)}
.product-hero-stage:after{display:none}
.product-hero-stage img{filter:grayscale(.12) drop-shadow(0 24px 22px #0007);animation:none}
.stage-cross{border-color:#d4a657;color:#f0bd67}
.stage-label{color:#d2d9d6}
@media(max-width:980px){.hero-scale .hero-copy{width:61%;min-height:530px}.hero-proof{width:35%}.precision-section{grid-template-columns:1fr;row-gap:2rem}.precision-heading>p{max-width:610px}}
@media(max-width:700px){.hero-scale{min-height:850px;padding-top:4rem;padding-bottom:5.5rem}.hero-scale .hero-copy{width:100%;min-height:0;max-width:none;justify-content:flex-start;padding:0}.hero-scale h1{font-size:clamp(4rem,15vw,6.2rem);margin:2.1rem 0 1.2rem}.hero-sea-image{object-position:57% center;filter:grayscale(.58) saturate(.63) brightness(.34) contrast(1.2)}.hero-sea-shade{background:linear-gradient(90deg,#081317dc,#08131772),linear-gradient(0deg,#081317f2 4%,transparent 72%,#0813174d)}.hero-proof{left:var(--gutter);right:var(--gutter);bottom:4.5rem;width:auto;padding:1rem}.hero-scale .hero-note{margin-top:2rem}.hero-scale .hero-index{bottom:1.2rem;font-size:.45rem}.precision-section{padding-block:4rem}.precision-heading h2{font-size:clamp(2.7rem,10vw,4rem)}.precision-calculation{grid-template-columns:1fr auto 1fr;gap:.7rem;padding:1rem}.calculation-value strong,.calculation-result strong{font-size:clamp(1.8rem,8vw,2.8rem)}.calculation-result{grid-column:1/-1;border-top:1px solid #8f9c9c59;padding-top:1rem;display:grid;grid-template-columns:1fr auto;column-gap:.8rem}.calculation-result>span,.calculation-result small{grid-column:1}.calculation-result strong{grid-column:2;grid-row:1/3;align-self:center}.calculation-operator{justify-self:center}.calculation-scale,.calculation-note{grid-column:1/-1}.applications-image img{filter:saturate(.48) contrast(1.1) brightness(.72)}}

/* Historical navigation and engineering calculation treatment */
.precision-calculation{background-color:#152226;background-image:linear-gradient(#c1d0ca0a 1px,transparent 1px),linear-gradient(90deg,#c1d0ca0a 1px,transparent 1px),linear-gradient(#c1d0ca12 1px,transparent 1px),linear-gradient(90deg,#c1d0ca12 1px,transparent 1px);background-size:10px 10px,10px 10px,50px 50px,50px 50px}
.distance-table{grid-column:1/-1;border-top:1px solid #8f9c9c59;margin-top:.35rem;padding-top:.55rem;display:grid;gap:.25rem}
.distance-row{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:.75rem;align-items:center;min-height:27px;color:#c0cac7;font:500 .58rem var(--mono);position:relative}
.distance-row strong{font-weight:500;color:#e9ece8}.distance-row i{height:4px;background:linear-gradient(90deg,var(--signal-bright) var(--distance),#788989 var(--distance));position:relative;opacity:.9}.distance-head{color:#869494;font-size:.47rem;min-height:20px}.distance-head span:nth-child(2){text-align:left}.distance-bar-label{opacity:0}
.navigation-eras{position:relative;isolation:isolate;min-height:740px;overflow:hidden;background:#0c171a;color:#edf0e9;display:flex;align-items:flex-end;padding:clamp(3rem,7vw,6.5rem) var(--gutter)}
.navigation-eras>img{position:absolute;z-index:-2;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 52%;filter:grayscale(.3) saturate(.72) brightness(.7)}
.eras-shade{position:absolute;z-index:-1;inset:0;background:linear-gradient(90deg,#0b1519ef 0%,#0b1519d9 31%,#0b151995 56%,#0b15193b 100%),linear-gradient(0deg,#091317b8,transparent 72%)}
.eras-content{max-width:790px}.eras-content .section-kicker{color:#d5a963}.eras-content h2{font-size:clamp(3.2rem,7vw,6.6rem);line-height:.98;letter-spacing:-.075em;margin:1.6rem 0 1.1rem}.eras-content h2 em{font:400 .92em/1 Georgia,serif;color:#d6d0b8;letter-spacing:-.06em}.eras-content>p{max-width:570px;color:#d1d8d2;font-size:.88rem;line-height:1.8}.eras-timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.3rem;border-top:1px solid #c8d0ca75;padding-top:1rem}.eras-timeline>div{display:grid;gap:.28rem;align-content:start}.eras-timeline span,.eras-caption{color:#e0b56b;font:500 .49rem var(--mono);letter-spacing:.06em}.eras-timeline strong{font-size:.78rem;font-weight:700}.eras-timeline small{color:#bac5bf;font-size:.61rem;line-height:1.5}.eras-caption{display:block;margin-top:1.9rem;color:#c0c9c3;font-size:.44rem}
@media(max-width:700px){.distance-row{grid-template-columns:.8fr 1fr .8fr;font-size:.53rem}.distance-row i{height:3px}.navigation-eras{min-height:830px;padding-block:3.5rem}.navigation-eras>img{object-position:61% center;filter:grayscale(.4) saturate(.7) brightness(.57)}.eras-shade{background:linear-gradient(90deg,#0b1519e8,#0b1519a8 75%,#0b15196b),linear-gradient(0deg,#091317eb 0%,#09131775 65%,#0913173b)}.eras-content h2{font-size:clamp(3.3rem,15vw,5rem)}.eras-timeline{grid-template-columns:1fr;gap:.8rem;margin-top:1.5rem}.eras-timeline>div{grid-template-columns:6.8rem 1fr;align-items:baseline}.eras-timeline span{grid-row:1/3}.eras-timeline strong{font-size:.72rem}.eras-timeline small{font-size:.58rem}.eras-caption{margin-top:1.2rem}}