/* Homepage only. Service pages retain their current layouts. */
.home-engineering{--paper:#f4f3ee;--ink:#172827;--muted:#52615e;--line:#c9cfca;--accent:#c7e998;background:var(--paper);color:var(--ink);font:16px/1.6 'Manrope',Arial,sans-serif}
.home-engineering .wrap{max-width:1440px;padding-inline:64px}
.home-engineering .eyebrow{font:600 12px/1.5 'Manrope',sans-serif;letter-spacing:.12em;margin:0 0 22px;color:var(--muted)}
.home-engineering h2{font-size:clamp(34px,3.5vw,50px);line-height:1.12;letter-spacing:-.05em;font-weight:500}
.home-engineering .button{border-radius:2px;background:var(--accent);color:#172820;box-shadow:none;min-height:54px;padding:15px 22px;font-size:15px}
.home-engineering .button:hover{background:#d6f5ae}
.home-engineering .button span{font-size:22px}
.home-engineering a:focus-visible,.home-engineering button:focus-visible,.home-engineering [tabindex="0"]:focus-visible{outline:3px solid #7bb54a;outline-offset:5px}
.home-engineering>header{max-width:none;padding-inline:max(64px,calc((100vw - 1312px)/2));min-height:96px;background:#112329;color:#ecf0ed;border-bottom:1px solid #ffffff20;gap:28px}
.home-engineering .brand{gap:12px}.home-engineering .peresvet-logo{width:48px;height:48px;border-radius:50%;object-fit:cover}
.home-engineering .brand-word{color:#eff3ed;font-size:18px;letter-spacing:.08em}
.home-engineering .brand-word small{display:block;font-size:10px;color:#bac6c6;letter-spacing:.13em;margin-top:4px}
.home-engineering .main-nav{display:flex;font-size:14px;gap:26px;color:#cbd5d4}
.home-engineering .header-cta{border:1px solid #8c9d98;border-radius:2px;padding:11px 16px;color:#eff3ed}
.home-engineering .nav-dropdown>div{color:var(--ink);border-radius:2px;background:var(--paper)}
.home-engineering .nav-dropdown a{border-radius:0}.home-engineering .nav-dropdown a:hover{background:#e1e6de}
.engineering-hero-section{background:#112329;color:#f3f5ed;padding:54px 0 0;overflow:hidden}
.hero-intro-row{display:grid;grid-template-columns:1.4fr 1fr;align-items:end;gap:70px;margin-bottom:48px}
.engineering-hero-section .eyebrow{color:#b6c6c4}
.hero-intro-row h1{font-weight:500;letter-spacing:-.062em;line-height:1.02;font-size:clamp(60px,6.9vw,100px);margin:0}
.hero-intro-row h1 span{color:#c7e998}
.hero-introduction{max-width:390px;padding-bottom:3px}
.hero-introduction>p{font-size:18px;line-height:1.65;color:#c4cfce;margin:0 0 24px}
.hero-introduction .quiet-link{display:block;width:fit-content;font-size:14px;color:#bcc9c5;padding:12px 0 0;text-decoration:underline;text-underline-offset:5px}
.simulation-heading{display:flex;justify-content:space-between;gap:24px;border-top:1px solid #ffffff30;padding:20px 0;font-size:15px}
.simulation-heading span:last-child{font-size:12px;color:#a8bbba}
.system-simulation{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(300px,1fr);gap:56px;--signal:#c7e998;align-items:start}
.simulation-visual{min-width:0}
.house-scene{margin:0;background:transparent}
.house-scene-map{position:relative;aspect-ratio:4/3;isolation:isolate;max-width:790px;margin:0 auto}
.house-scene-map>img{width:100%;height:100%;object-fit:contain;display:block;mix-blend-mode:lighten;transition:filter .55s ease,opacity .55s ease;mask-image:linear-gradient(to right,transparent,#000 7%,#000 93%,transparent),linear-gradient(to bottom,transparent,#000 6%,#000 93%,transparent);mask-composite:intersect}
.house-scene-map:after{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 50% 55%,#b9dd9020,transparent 62%);transition:opacity .55s ease;pointer-events:none}
.house-scene-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;stroke:var(--signal);stroke-width:2}
.house-scene-lines path{stroke-dasharray:5 8}.house-scene-lines circle{fill:#13292bdd}.house-scene-lines .scene-node{fill:var(--signal);stroke:0}
.scene-point{position:absolute;width:44px;height:44px;display:grid;place-items:center;transform:translate(-50%,-50%);border:1px solid #dfecce90;background:#12272dd9;color:#e9f3de;border-radius:50%;font-size:14px;cursor:pointer;transition:background .2s}
.scene-point[aria-pressed=true]{background:var(--signal);color:#12272d;box-shadow:0 0 0 7px #c7e99815}
.scene-point-energy{left:38%;top:21%}.scene-point-comms{left:67.5%;top:11%}.scene-point-protection{left:82%;top:33%}
.scene-point-name{position:absolute;top:calc(100% + 10px);padding:3px 9px;background:#112329f2;color:#eaf1e6;font-size:13px;white-space:nowrap;opacity:0;pointer-events:none}
.scene-point[aria-pressed=true] .scene-point-name,.scene-point:focus-visible .scene-point-name{opacity:1}
.house-scene figcaption{font-size:12px;color:#a7b9b7;margin:4px 0 16px}
.system-simulation[data-power=outage]{--signal:#f3c879}
.system-simulation[data-power=outage] .house-scene-map>img{filter:brightness(.56) saturate(.5)}
.system-simulation[data-power=outage] .house-scene-map:after{opacity:0}
.system-simulation[data-power=backup] .house-scene-map>img{filter:brightness(.92) saturate(.75)}
.system-simulation .fortress-tabs{display:flex;gap:26px;border:0;border-bottom:1px solid #ffffff30;background:transparent}
.system-simulation .fortress-tabs button{border:0;border-bottom:2px solid transparent;border-radius:0;color:#a9bdb8;background:none;padding:12px 0;font-size:14px;min-height:46px;cursor:pointer}
.system-simulation .fortress-tabs button[aria-selected=true]{border-bottom-color:#c7e998;color:#ecf3e5;background:none}
.system-simulation .fortress-panel{padding:20px 0 24px;background:none;border:0;border-radius:0;min-height:184px;box-shadow:none}
.system-simulation .fortress-panel h2{font-size:22px;letter-spacing:-.025em;line-height:1.3;margin:0 0 8px;color:#eaf0e9}
.system-simulation .fortress-panel p{font-size:14px;line-height:1.7;color:#adbfba;max-width:640px;margin:0 0 12px}
.system-simulation .fortress-panel a{font-size:14px;color:#c7e998;text-decoration:underline;text-underline-offset:4px;border:0;padding:0}
.simulation-console{padding-top:12px}.simulation-console .eyebrow{margin-bottom:12px;font-size:12px}
.power-tabs{display:flex;flex-direction:column;border-top:1px solid #ffffff30}
.power-tabs button{display:flex;align-items:center;gap:13px;text-align:left;min-height:56px;padding:14px 12px;background:transparent;border:0;border-bottom:1px solid #ffffff30;color:#c3cfcc;cursor:pointer;font-size:15px}
.power-tabs button[aria-selected=true]{background:var(--signal);color:#132722}
.mode-light{width:7px;height:7px;flex:0 0 7px;background:currentColor;border-radius:50%;opacity:.65}.mode-symbol{margin-left:auto;font-size:19px}
#power-panel{padding-top:28px}.power-kicker{font-size:12px;letter-spacing:.08em;color:var(--signal);margin:0 0 12px}
#power-title{font-size:31px;line-height:1.14;letter-spacing:-.035em;margin:0 0 16px;min-height:71px;color:#eff4ec}
#power-description{font-size:15px;line-height:1.7;color:#bdcbc6;min-height:103px;margin:0 0 20px}
.system-status{margin:0}.system-status>div{display:grid;grid-template-columns:1fr 1fr;gap:12px;border-top:1px solid #ffffff20;padding:12px 0;font-size:13px;line-height:1.5}
.system-status dt{color:#a2b7b2}.system-status dd{margin:0;text-align:right;color:#e3eddb}
.scenario-note{border-top:1px solid #ffffff30;padding-top:16px;font-size:12px;line-height:1.7;color:#a8bbb6;margin:8px 0 28px}
.business-route{border-top:1px solid #ffffff30;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px 0;color:#b1c2bd;font-size:14px}
.business-route a{color:#e7efdf;font-size:16px}.business-route a span{margin-left:24px}
.home-engineering .task-picker{padding-block:88px 72px;position:relative}
.home-engineering .section-heading{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:end;margin-bottom:34px}
.home-engineering .section-heading h2{margin:0}.home-engineering .section-heading>p:last-child{margin:0;max-width:430px;font-size:16px;line-height:1.75;color:var(--muted)}
.home-engineering .task-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:72px;margin:0}
.home-engineering .task-options{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.home-engineering .task-options button{border:0;border-bottom:1px solid var(--line);border-radius:0;min-height:84px;background:transparent;padding:17px 0;color:var(--ink);gap:16px}
.home-engineering .task-options button[aria-selected=true]{background:transparent;color:#335826;box-shadow:inset 3px 0 #749b50;padding-left:18px}
.home-engineering .task-option-copy{display:block!important;font-size:16px;color:inherit}
.home-engineering .task-option-copy strong{display:block;font-size:20px;line-height:1.3;font-weight:500}
.home-engineering .task-option-copy small{display:block;margin-top:4px;color:#61706a;font-size:13px;line-height:1.4}
.home-engineering .task-options button>b{font-size:24px;font-weight:400;margin-left:auto;padding:0 8px;color:#5e7960}
.home-engineering .task-panel{padding:30px 0 0;border-top:1px solid #75897a;border-radius:0;background:transparent;color:var(--ink);position:sticky;top:30px;align-self:start}
.home-engineering .task-panel .eyebrow{font-size:12px;color:#4d6946;margin-bottom:25px}
.home-engineering .task-panel h3{font-size:34px;font-weight:500;line-height:1.2;letter-spacing:-.04em;margin:0 0 20px}
.home-engineering .task-panel>p:not(.eyebrow){color:var(--muted);font-size:16px;line-height:1.8;margin:0 0 28px}
.home-engineering .task-panel ul{list-style:none;margin:0 0 30px;padding:0;color:var(--ink);font-size:15px}
.home-engineering .task-panel li{border-bottom:1px solid var(--line);padding:13px 0;display:flex;gap:15px}.home-engineering .task-panel li:before{content:'—';color:#7c8e7b}
.home-engineering .task-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:0}
.home-engineering .task-actions .text-link{font-size:14px;color:#344c3c;border-color:#7e937c}
.home-engineering .task-panel>small{font-size:12px;line-height:1.65;margin-top:25px;max-width:360px;color:#617069}
.project-process{padding:70px 0;background:#e5e8df;border-top:1px solid #d2d8cc}
.work-stages{list-style:none;padding:0;margin:42px 0 0;border-top:1px solid #aebcab}
.work-stages li{display:grid;grid-template-columns:70px 1.5fr 1fr;gap:24px;align-items:start;border-bottom:1px solid #bdc7b8;padding:30px 0}
.stage-number{font:14px/1.8 monospace;color:#627c5e}.work-stages h3{font-size:25px;font-weight:500;margin:0 0 9px;line-height:1.3}
.work-stages p{max-width:620px;font-size:15px;color:#52634f;margin:0;line-height:1.8}.stage-result{justify-self:end;font-size:13px;color:#516b4d;max-width:205px;margin-top:6px}
.control-note{display:grid;grid-template-columns:1.5fr 1fr;gap:60px;align-items:center;margin-top:34px}
.control-note p{font-size:14px;line-height:1.8;color:#53654e;margin:0}.control-note strong{display:block;font-size:16px;color:#283c28;margin-bottom:6px}
.control-note a{justify-self:end;font-size:14px;text-decoration:underline;text-underline-offset:5px}
.home-engineering .questions{padding-block:80px;gap:70px}.home-engineering .questions h2{font-size:40px}
.home-engineering .faq-list details{border-color:var(--line);border-radius:0;background:transparent}
.home-engineering .faq-list summary{font-size:16px;color:var(--ink)}.home-engineering .faq-list p{font-size:15px;line-height:1.75;color:var(--muted)}
.home-engineering .request{padding-block:72px;gap:90px;border-top:1px solid var(--line);background:transparent;border-radius:0;box-shadow:none}
.home-engineering .request h2{font-size:clamp(36px,4vw,57px);line-height:1.15;margin:0 0 26px}
.home-engineering .request-copy>p{color:var(--muted);font-size:16px;max-width:390px}
.home-engineering .request-copy .eyebrow{color:#50644d;font-size:12px}
.home-engineering .contact-options a{background:transparent;border:0;border-bottom:1px solid var(--line);padding:13px 0;border-radius:0;color:var(--ink);font-size:15px}
.home-engineering .telegram-contact p{font-size:14px;color:var(--muted)}
.home-engineering .demo-note{border:0;padding:0;font-size:14px!important}
.home-engineering .data-note{border-color:var(--line);font-size:14px}.home-engineering .data-note p{color:var(--muted);font-size:14px}
.home-engineering form{background:transparent;border:0;border-radius:0;padding:0;box-shadow:none}
.home-engineering .callback-title{font-size:24px}.home-engineering .callback-intro{font-size:14px;color:var(--muted)}
.home-engineering input,.home-engineering select,.home-engineering textarea{background:#fcfcf8;border:1px solid #b5c1b1;border-radius:2px;font-size:16px;padding:13px 14px;color:var(--ink)}
.home-engineering label{font-size:14px}.home-engineering .inquiry-consent{font-size:13px!important;color:#51624e}
.home-engineering #form-result{color:#355c30}.home-engineering footer{border-color:var(--line);padding-block:30px;color:#52634f;font-size:12px}
.home-engineering .footer-brand{color:#243b2b}.home-engineering .mobile-contact-bar{background:#112329eF;border-color:#6b806e}.home-engineering .mobile-contact-bar a{border-radius:2px;background:#c7e998;color:#142722}
.home-engineering .mobile-contact-bar a:last-child{background:#243c36;color:#ecf3e7}
@media(min-width:1500px){.hero-intro-row h1{font-size:104px}}
@media(max-width:1100px){.home-engineering .wrap{padding-inline:36px}.home-engineering>header{padding-inline:36px;gap:18px}.home-engineering .main-nav{gap:18px;font-size:13px}.hero-intro-row{gap:35px}.hero-intro-row h1{font-size:74px}.system-simulation{gap:32px;grid-template-columns:1.4fr 1fr}.home-engineering .section-heading,.home-engineering .task-layout{gap:44px}.home-engineering .request{gap:50px}.home-engineering .brand-word{font-size:16px}}
@media(max-width:900px){.home-engineering>header{flex-wrap:wrap;padding-block:18px;min-height:0}.home-engineering .main-nav{order:3;width:100%;justify-content:space-between;padding:12px 0 0;border:0;font-size:14px}.home-engineering .main-nav .nav-process{display:block}.hero-intro-row{grid-template-columns:1fr 1fr;gap:26px;margin-bottom:35px}.hero-intro-row h1{font-size:64px}.hero-introduction>p{font-size:16px}.engineering-hero-section{padding-top:38px}.system-simulation{grid-template-columns:1fr;gap:0}.simulation-visual{display:contents}.house-scene{order:1}.simulation-console{order:0}.simulation-console>.eyebrow{display:none}.power-tabs{flex-direction:row;border-top:0;gap:4px}.power-tabs button{flex:1;justify-content:center;min-height:50px;padding:12px 6px;font-size:14px;gap:8px}.mode-symbol{display:none}.simulation-console{display:contents}#power-panel{order:2;padding-top:18px}.power-tabs{order:0}.house-scene-map{max-width:620px}.house-scene figcaption{margin-bottom:0}.system-status{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.system-status>div{display:block;font-size:13px}.system-status dd{text-align:left;margin-top:8px}.scenario-note{order:3;margin-bottom:25px}.system-simulation .fortress-tabs{order:4}.system-simulation .fortress-panel{order:5;min-height:0}#power-title{font-size:30px;min-height:0}#power-description{min-height:0;max-width:610px}.business-route{padding-block:20px}.home-engineering .questions{gap:40px}.work-stages li{grid-template-columns:45px 1fr}.stage-result{display:none}}
@media(max-width:650px){.home-engineering .wrap{padding-inline:22px}.home-engineering>header{padding-inline:22px;gap:12px}.home-engineering .peresvet-logo{width:40px;height:40px}.home-engineering .brand-word{font-size:15px}.home-engineering .brand-word small{font-size:9px}.home-engineering .header-cta{font-size:12px;padding:9px 12px}.home-engineering .main-nav{font-size:14px;gap:12px}.home-engineering .main-nav .nav-process{display:none}.home-engineering .nav-dropdown summary{min-height:35px}.hero-intro-row{grid-template-columns:1fr;gap:26px;margin-bottom:30px}.hero-intro-row h1{font-size:clamp(44px,12vw,74px)}.engineering-hero-section{padding-top:29px}.hero-intro-row .eyebrow{font-size:11px;margin-bottom:18px}.hero-introduction{max-width:none}.hero-introduction>p{font-size:16px;max-width:450px;margin-bottom:22px}.hero-introduction .quiet-link{padding-top:14px}.simulation-heading{display:block;padding:16px 0;font-size:15px}.simulation-heading span:last-child{display:block;margin-top:5px;font-size:12px}.power-tabs{gap:0}.power-tabs button{font-size:14px;line-height:1.4;padding:11px 6px;gap:6px;min-height:56px}.mode-light{width:5px;height:5px;flex-basis:5px}.house-scene-map{margin-inline:-18px}.house-scene figcaption{font-size:12px;line-height:1.5;margin-top:8px}.scene-point{width:44px;height:44px}.scene-point-name{font-size:12px}#power-title{font-size:29px}.system-status{display:block}.system-status>div{display:grid;grid-template-columns:1fr 1fr;padding:11px 0}.system-status dd{text-align:right;margin:0}.scenario-note{font-size:12px}.business-route{align-items:start;flex-direction:column;gap:8px}.business-route a{font-size:15px}.home-engineering .task-picker{padding-block:52px}.home-engineering .section-heading{grid-template-columns:1fr;gap:22px;margin-bottom:26px}.home-engineering h2{font-size:38px}.home-engineering .section-heading>p:last-child{font-size:15px;justify-self:start}.home-engineering .task-layout{grid-template-columns:1fr;gap:28px}.home-engineering .task-options button{min-height:77px;padding-block:14px}.home-engineering .task-option-copy strong{font-size:18px}.home-engineering .task-option-copy small{font-size:13px}.home-engineering .task-panel{position:static;padding:24px 0 0;scroll-margin-top:20px}.home-engineering .task-panel h3{font-size:30px}.home-engineering .task-panel .eyebrow{margin-bottom:16px}.home-engineering .task-panel>p:not(.eyebrow){font-size:15px}.project-process{padding:48px 0}.work-stages{margin-top:30px}.work-stages li{grid-template-columns:28px 1fr;gap:16px;padding-block:24px}.work-stages h3{font-size:22px}.work-stages p{font-size:15px}.control-note{grid-template-columns:1fr;gap:20px}.control-note a{justify-self:start}.home-engineering .questions{padding-block:48px;grid-template-columns:1fr;gap:22px}.home-engineering .questions h2{font-size:36px}.home-engineering .request{padding-block:48px;grid-template-columns:1fr;gap:34px}.home-engineering .request h2{font-size:clamp(32px,9.2vw,44px)}.home-engineering .request-copy>p{font-size:16px}.home-engineering footer{padding-bottom:100px}}
@media(prefers-reduced-motion:reduce){.home-engineering *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}