/* ═══ Русарм — дизайн-система (общая для всех страниц) ═══ */
:root{
  --bg:#0D0F12; --bg2:#131619; --panel:#191D22;
  --line:rgba(255,255,255,.09);
  --text:#F2F4F6; --muted:#98A1AB;
  --accent:#FFDF36; --accent2:#C9AE1E; --ink:#141207; --white:#fff;
  --max:1280px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:"Golos Text","Helvetica Neue",Arial,sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.12}
h2{font-size:40px;margin-bottom:14px}
h3{font-size:20px}
p{margin:0}
a{color:inherit;text-decoration:none}
.sec{padding:88px 0;border-top:1px solid var(--line)}
.sec.tight{padding:64px 0}
.lead{color:var(--muted);font-size:18px;max-width:760px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:16px}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* плашка «концепт» */
.note{background:#1C1E12;border-bottom:1px solid var(--line);font-size:13px;color:#C9CDBB;padding:10px 0}
.note b{color:#fff}

/* шапка */
header{position:relative;z-index:5;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.hrow{display:flex;align-items:center;gap:40px}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.04em;line-height:1}
.logo .slash{display:inline-block;width:16px;height:30px;background:var(--accent);transform:skewX(-18deg);border-radius:1px}
.logo .mark{font-size:32px;color:var(--white)}
.logo .mark sup{font-size:.34em;top:-1.05em;font-weight:700}
.logo .tag{display:block;font-size:9.5px;font-weight:500;letter-spacing:.02em;color:var(--muted);text-transform:uppercase;margin-top:3px}
nav{display:flex;gap:22px;font-size:15px;color:#C7CDD4;flex:1;white-space:nowrap}
nav a:hover{color:var(--accent)}
nav a.active{color:var(--accent)}
.hcta{display:flex;align-items:center;gap:20px;white-space:nowrap}
.phone{font-weight:600;font-size:17px}

/* кнопки */
.btn{display:inline-block;background:var(--accent);color:var(--ink);font-weight:700;font-size:16px;padding:16px 30px;border-radius:10px;cursor:pointer;border:0;font-family:inherit;transition:.15s}
.btn:hover{background:#FFE860}
.btn.sm{padding:12px 22px;font-size:15px}
.btn.ghost{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.28)}
.btn.ghost:hover{background:rgba(255,255,255,.06)}

/* ── ГЕРОЙ главной ── */
.hero{position:relative;overflow:hidden;background:var(--bg2)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;background:url('../covers/hero_bg.png') center right/cover no-repeat;opacity:.22}
.hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,var(--bg) 26%,rgba(13,15,18,.70) 52%,rgba(13,15,18,.10) 100%)}
.hero-anim{position:absolute;top:0;right:0;bottom:0;z-index:2;width:66%;pointer-events:none}
.hero-anim svg{position:absolute;right:0;bottom:0;width:100%;height:100%}
.pipe{fill:none;stroke:#6a5a18;stroke-width:9;stroke-linecap:round;stroke-linejoin:round}
.pipe-hi{fill:none;stroke:rgba(255,223,54,.16);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.flow{fill:none;stroke:#BFE8FF;stroke-width:5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:18 40}
.tank{fill:rgba(255,223,54,.04);stroke:#7d6b20;stroke-width:2.5;stroke-linejoin:round}
.tank-t{fill:rgba(255,223,54,.07);stroke:#8c7924;stroke-width:2.5}
.joint{fill:#0D0F12;stroke:var(--accent);stroke-width:2.5}
.drop{fill:#EAF7FF}
.hero .wrap{position:relative;z-index:3;padding-top:104px;padding-bottom:104px}
@media (prefers-reduced-motion:reduce){.drop{display:none}.flow{stroke-dasharray:none;opacity:.5}}
.hero h1{font-size:56px;max-width:820px}
.hero .sub{margin-top:22px;font-size:20px;color:#C7CDD4;max-width:640px}
.utp{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;max-width:860px;padding:0}
.utp li{list-style:none;font-size:14px;color:#E4E7EB;font-weight:500;border:1px solid rgba(255,223,54,.35);border-radius:999px;padding:8px 16px;background:rgba(255,223,54,.07)}
.btns{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap;align-items:center}
.risk{margin-top:14px;font-size:14px;color:var(--muted)}

/* ── ГЕРОЙ внутренних страниц ── */
.page-hero{position:relative;padding:56px 0 46px;background:var(--bg2);border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,223,54,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,223,54,.05) 1px,transparent 1px);background-size:46px 46px;-webkit-mask-image:linear-gradient(90deg,transparent 40%,#000 100%);mask-image:linear-gradient(90deg,transparent 40%,#000 100%);opacity:.5;pointer-events:none}
.page-hero .ph-ill{position:absolute;top:0;right:0;bottom:0;width:60%;background-size:cover;background-position:center right;opacity:.72;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 48%);mask-image:linear-gradient(90deg,transparent 0%,#000 48%);pointer-events:none;z-index:0}
.page-hero.ill{padding:64px 0 56px}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{font-size:44px;max-width:900px}
.page-hero .lead{margin-top:16px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:20px}
.crumbs a:hover{color:var(--accent)}
.crumbs span{margin:0 8px;color:#4A525C}

/* сетки/карточки */
.grid{display:grid;gap:16px;margin-top:36px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.grid.centered{display:flex;flex-wrap:wrap;justify-content:center}
.grid.centered>*{flex:0 1 calc(33.333% - 11px)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px;transition:.2s}
.card:hover{border-color:rgba(255,223,54,.45)}
.card h3{font-size:17px;margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}
.card.link{display:flex;flex-direction:column}
.card.link:hover{transform:translateY(-2px)}
.card .more{display:inline-block;margin-top:auto;padding-top:14px;color:var(--accent);font-weight:600;font-size:14px}
.tag{display:inline-block;font-size:12px;color:var(--accent);font-weight:600;margin-bottom:12px;letter-spacing:.02em}

/* услуги-список */
.srv{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:36px}
.srv>div{display:flex;gap:16px;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:14px}
.srv>div>div{flex:1;min-width:0}
.num{color:var(--accent);font-weight:700;font-size:15px;min-width:26px}
.srv h3{font-size:17px;margin-bottom:6px}
.srv p{font-size:14px;color:var(--muted)}

/* отрасли-теги */
.ind{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.ind a{border:1px solid var(--line);border-radius:10px;padding:14px 20px;font-size:15px;background:rgba(255,255,255,.03)}
.ind a:hover{border-color:var(--accent);color:var(--accent)}

/* этапы */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:40px;counter-reset:s}
.steps.s4{grid-template-columns:repeat(4,1fr)}
.steps.s6{grid-template-columns:repeat(6,1fr)}
.steps>div{position:relative;padding-top:26px;border-top:2px solid rgba(255,223,54,.30)}
.steps>div::before{counter-increment:s;content:counter(s);position:absolute;top:-13px;left:0;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--ink);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
.steps h3{font-size:16px;margin-bottom:6px}
.steps p{font-size:14px;color:var(--muted)}

/* цифры */
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.nums>div{border:1px solid var(--line);border-radius:14px;padding:26px;background:var(--panel)}
.nums b{display:block;font-size:40px;font-weight:800;letter-spacing:-.03em;color:var(--white)}
.nums span{font-size:14px;color:var(--muted)}
.ph{font-size:11px;color:var(--accent2);letter-spacing:.08em;text-transform:uppercase;font-weight:600}

/* кейсы */
.case{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:block}
.case .img{height:200px;background:linear-gradient(135deg,#20242A,#131619);background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;position:relative}
.case .place{color:var(--accent);font-size:13px;font-weight:600;margin-bottom:8px}
.case .img.plan{background-color:#fff;filter:invert(1) hue-rotate(180deg) contrast(.92)}
.case .img.plan .badge{filter:invert(1) hue-rotate(180deg)}
.case .img span{color:#5A616B;font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.case .img .badge{position:absolute;top:12px;left:12px;background:rgba(13,15,18,.7);border:1px solid var(--line);color:var(--accent);font-size:11px;font-weight:600;padding:5px 10px;border-radius:6px;letter-spacing:.04em}
.case .body{padding:22px}
.case h3{font-size:17px;margin-bottom:10px}
.case p{font-size:14px;color:var(--muted);margin-bottom:6px}

/* прозрачный текстовый блок (prose) */
.prose{max-width:760px}
.prose p{margin-bottom:16px;color:#D3D8DE}
.prose p:last-child{margin-bottom:0}

/* две колонки: текст + сайдбар */
.split{display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:start;margin-top:12px}

/* определения / спека */
.deflist{margin-top:24px;border-top:1px solid var(--line)}
.deflist>div{display:grid;grid-template-columns:230px 1fr;gap:24px;padding:16px 0;border-bottom:1px solid var(--line)}
.deflist dt{color:var(--muted);font-size:15px}
.deflist dd{margin:0;font-size:15px}

/* панель-врезка */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px}
.panel h3{margin-bottom:12px}
.panel.accent{border-color:rgba(255,223,54,.35);background:linear-gradient(180deg,rgba(255,223,54,.05),transparent)}

/* галочный список */
.checks{list-style:none;padding:0;margin:18px 0 0}
.checks li{position:relative;padding-left:30px;margin-bottom:12px;color:#D3D8DE;font-size:15px}
.checks li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:4px;background:var(--accent);-webkit-mask:no-repeat center/12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E");mask:no-repeat center/12px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23000' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E")}

/* аккордеон */
.acc{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:12px;background:var(--panel)}
.acc summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:16px;display:flex;justify-content:space-between;align-items:center}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";color:var(--accent);font-size:22px;font-weight:400}
.acc[open] summary::after{content:"–"}
.acc .in{padding:0 22px 20px;color:var(--muted);font-size:15px}

/* фильтр-бар */
.filterbar{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.filterbar button{background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--text);font-family:inherit;font-size:14px;padding:9px 16px;border-radius:999px;cursor:pointer}
.filterbar button.on,.filterbar button:hover{border-color:var(--accent);color:var(--accent)}

/* команда */
.team{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:36px}
.team .p{flex:0 1 calc(33.333% - 11px)}
.team .p{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.team .av{width:74px;height:74px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,#23272D,#15181C);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:#5A616B;font-size:11px}
.team h4{margin:0 0 4px;font-size:16px}
.team .role{color:var(--accent);font-size:13px;font-weight:600;margin-bottom:6px}
.team small{color:var(--muted);font-size:13px}

/* CTA-полоса + форма */
.cta{background:linear-gradient(120deg,#1A1E22,#22262B);border:1px solid rgba(255,223,54,.30);border-radius:20px;padding:52px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.cta h2{font-size:34px}
.cta ul{margin:20px 0 0;padding:0;list-style:none}
.cta li{font-size:15px;color:#C7CDD4;padding-left:26px;position:relative;margin-bottom:10px}
.cta li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.form{background:rgba(13,15,18,.55);border:1px solid var(--line);border-radius:14px;padding:26px}
.form input,.form textarea,.form select{width:100%;background:#0F1214;border:1px solid var(--line);border-radius:9px;padding:14px 16px;color:var(--text);font-family:inherit;font-size:15px;margin-bottom:12px}
.form textarea{min-height:90px;resize:vertical}
.form .btn{width:100%;text-align:center}
.form small{display:block;margin-top:12px;color:var(--muted);font-size:12px;line-height:1.4}

/* контакты */
.contacts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.contacts.two{grid-template-columns:repeat(2,1fr)}
.contacts .c{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}
.contacts .c .l{font-size:13px;color:var(--muted);margin-bottom:6px}
.contacts .c .v{font-size:18px;font-weight:600}
/* блок «боль → решение» (главная) */
.pain{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:36px}
.pain>div{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px}
.pain .q{position:relative;padding-left:28px;font-size:17px;font-weight:700;color:var(--white);margin-bottom:10px}
.pain .q::before{content:'!';position:absolute;left:0;top:2px;width:19px;height:19px;border-radius:50%;border:1px solid rgba(255,223,54,.55);color:var(--accent);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.pain p{font-size:14px;color:var(--muted);line-height:1.6}
.answer{margin-top:20px;background:linear-gradient(180deg,rgba(255,223,54,.08),rgba(255,223,54,.02));border:1px solid rgba(255,223,54,.28);border-radius:16px;padding:28px 30px}
.answer p{font-size:17px;line-height:1.6;color:var(--text)}
.answer b{color:var(--accent)}

/* схема-поток: блоки со стрелками + итог */
.uflow{display:flex;align-items:stretch;margin-top:36px}
.uflow .f{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}
.uflow .f b{display:block;font-size:16px;margin-bottom:8px}
.uflow .f span{font-size:14px;color:var(--muted);line-height:1.55}
.uflow .f+.f{margin-left:48px;position:relative}
.uflow .f+.f::before{content:'';position:absolute;left:-40px;top:50%;transform:translateY(-50%);width:32px;height:2px;background:rgba(255,223,54,.45)}
.uflow .f+.f::after{content:'';position:absolute;left:-14px;top:50%;transform:translateY(-50%);border-left:10px solid rgba(255,223,54,.8);border-top:6px solid transparent;border-bottom:6px solid transparent}
.uflow-out{position:relative;margin-top:40px;background:linear-gradient(180deg,rgba(255,223,54,.08),rgba(255,223,54,.02));border:1px solid rgba(255,223,54,.28);border-radius:14px;padding:22px 26px;font-size:17px;line-height:1.5}
.uflow-out::before{content:'';position:absolute;top:-26px;left:50%;transform:translateX(-50%);border-top:13px solid rgba(255,223,54,.6);border-left:9px solid transparent;border-right:9px solid transparent}
/* стрелки-указатели в схеме этапов */
.steps>div:not(:last-child)::after{content:'';position:absolute;top:-6px;right:-13px;border-left:8px solid rgba(255,223,54,.55);border-top:5px solid transparent;border-bottom:5px solid transparent}
/* фото/рендер в рамке секции */
.shot{margin-top:32px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel)}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{padding:14px 20px;font-size:14px;color:var(--muted);border-top:1px solid var(--line)}

/* просмотр фото объекта крупно */
.case .img.zoom{cursor:zoom-in}
.case .img.zoom::after{content:'';position:absolute;inset:0;background:rgba(13,15,18,0);transition:background .2s}
.case .img.zoom:hover::after{background:rgba(13,15,18,.28)}
.lb{position:fixed;inset:0;z-index:100;background:rgba(6,7,9,.94);display:none;align-items:center;justify-content:center;padding:40px}
.lb.on{display:flex}
.lb figure{margin:0;max-width:1180px;max-height:100%;display:flex;flex-direction:column;gap:14px}
.lb img{max-width:100%;max-height:78vh;object-fit:contain;border-radius:12px;border:1px solid var(--line)}
.lb figcaption{display:flex;flex-direction:column;gap:4px}
.lb figcaption b{font-size:18px}
.lb figcaption span{font-size:14px;color:var(--accent);font-weight:600}
.lb .x{position:absolute;top:20px;right:24px;width:42px;height:42px;border-radius:50%;background:var(--panel);border:1px solid var(--line);color:var(--text);font-size:24px;line-height:1;cursor:pointer}
.lb .x:hover{color:var(--accent);border-color:rgba(255,223,54,.5)}

/* полоса логотипов заказчиков — приводим к единой монохромной подаче */
.logos>p{font-size:13px;color:var(--muted);margin:0 0 20px}
.logos>div{display:grid;grid-template-columns:repeat(6,1fr);align-items:center;justify-items:center;gap:28px}
.logos img{height:30px;max-width:100%;width:auto;object-fit:contain;filter:brightness(0) invert(1);opacity:.5;transition:opacity .2s}
.logos img:hover{opacity:.9}

.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.trust>div{padding-left:16px;border-left:2px solid rgba(255,223,54,.35)}
.trust b{display:block;font-size:15px;font-weight:700;margin-bottom:4px}
.trust span{font-size:13px;color:var(--muted);line-height:1.45;display:block}
.contacts .c .v a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(255,223,54,.35)}
.contacts .c .v a:hover{color:var(--accent)}
.mapbox{border-radius:16px;overflow:hidden;border:1px solid var(--line);margin-top:36px;line-height:0;background:var(--panel)}
.mapbox iframe{display:block;width:100%;height:340px;border:0;filter:grayscale(.25) brightness(.92)}
.mapph{height:340px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(135deg,#191D22,#0F1214);display:flex;align-items:center;justify-content:center;color:#5A616B;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-top:36px}

/* логотипы-плейсхолдеры */
.lg{flex:1;height:52px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.02)}

/* футер */
footer{padding:56px 0 40px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.frow{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer h4{color:var(--text);font-size:14px;margin:0 0 14px;font-weight:600}
footer a{display:block;margin-bottom:8px}
footer a:hover{color:var(--accent)}
.copy{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:#5A616B;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* адаптив */
@media (max-width:1080px){
  nav{display:none}
  .hero h1{font-size:44px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .team .p{flex-basis:calc(50% - 8px)}
  .grid.centered>*{flex-basis:calc(50% - 8px)}
  .trust{grid-template-columns:repeat(2,1fr)}
  .steps.s6{grid-template-columns:repeat(3,1fr);row-gap:32px}
  .hero-anim{opacity:.5}
}
@media (max-width:760px){
  h2{font-size:30px}
  .page-hero h1{font-size:32px}
  .hero h1{font-size:34px}
  .g2,.g3,.g4,.srv,.nums,.contacts,.pain{grid-template-columns:1fr}
  .team .p,.grid.centered>*{flex-basis:100%}
  .steps,.steps.s4,.steps.s6{grid-template-columns:1fr 1fr}
  .steps>div:not(:last-child)::after{display:none}
  .uflow{flex-direction:column}
  .uflow .f+.f{margin-left:0;margin-top:44px}
  .uflow .f+.f::before{left:50%;top:-36px;transform:translateX(-50%);width:2px;height:24px}
  .uflow .f+.f::after{left:50%;top:-14px;transform:translateX(-50%);border-left:6px solid transparent;border-right:6px solid transparent;border-top:10px solid rgba(255,223,54,.8);border-bottom:0}
  .trust{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr;gap:26px}
  .logos>div{grid-template-columns:repeat(3,1fr);gap:24px 20px}
  .logos img{height:24px}
  .contacts,.contacts.two{grid-template-columns:1fr}
  .split,.cta{grid-template-columns:1fr;gap:28px}
  .deflist>div{grid-template-columns:1fr;gap:6px}
  .hcta .phone{display:none}
  .hero-anim{display:none}
}

/* Формы заявок: honeypot и статусы отправки */
.form .hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.form-ok{background:var(--panel,#191D22);border:1px solid #2A2F36;border-radius:14px;padding:28px;font-size:16px;line-height:1.55}
.form-ok b{color:var(--accent,#FFDF36)}
.form-err{color:#ff9d9d;font-size:13px;margin-top:10px}