html{scroll-behavior:smooth}
body{overflow-x:hidden}
::selection{background:#8fd18b;color:#0b0f0c}

#nav.scrolled{background:rgba(11,15,12,.85);backdrop-filter:blur(12px);border-bottom:1px solid #1f2a21}
.nav-link{padding:.5rem .8rem;border-radius:.6rem;color:#a1a1aa;transition:.2s}
.nav-link:hover,.nav-link.active{color:#fff;background:#121813}
.mnav{padding:.7rem .5rem;border-radius:.5rem;color:#d4d4d8}
.mnav:hover{background:#121813}

.btn-primary{display:inline-flex;align-items:center;gap:.5rem;background:#8fd18b;color:#0b0f0c;font-weight:700;padding:.85rem 1.4rem;border-radius:.8rem;transition:transform .2s,background .2s}
.btn-primary:hover{background:#a6e0a2;transform:translateY(-1px)}
.btn-ghost{display:inline-flex;align-items:center;gap:.5rem;border:1px solid #1f2a21;background:#121813;color:#e4e4e7;font-weight:600;padding:.85rem 1.4rem;border-radius:.8rem;transition:.2s}
.btn-ghost:hover{border-color:#487348;color:#fff}
.btn-primary:disabled,.btn-ghost:disabled{opacity:.45;pointer-events:none}

.grid-bg{background-image:linear-gradient(#1a231c 1px,transparent 1px),linear-gradient(90deg,#1a231c 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 75%);opacity:.55}

.eyebrow{font-family:'JetBrains Mono',monospace;font-size:.75rem;text-transform:uppercase;letter-spacing:.14em;color:#8fd18b;margin-bottom:.9rem}
.h2{font-size:clamp(1.9rem,3.6vw,2.9rem);line-height:1.1;font-weight:800;letter-spacing:-.02em;color:#fff}

.stat dt{font-size:.75rem;color:#71717a;margin-bottom:.25rem}
.stat dd{font-size:1.6rem;font-weight:800;color:#fff;font-family:'JetBrains Mono',monospace;letter-spacing:-.02em}
.stat small{font-size:.8rem;color:#71717a;margin-left:.25rem;font-family:Manrope}

.hero-card{transition:transform .3s ease;transform-style:preserve-3d}
.chip{display:flex;align-items:center;gap:.4rem;font-family:'JetBrains Mono',monospace;font-size:.75rem;color:#e4e4e7;background:rgba(11,15,12,.85);border:1px solid #1f2a21;padding:.4rem .65rem;border-radius:.6rem;backdrop-filter:blur(6px)}
.mini{border:1px solid #1f2a21;border-radius:.8rem;padding:.7rem .8rem;display:flex;flex-direction:column;gap:.2rem}
.mini span{font-size:.7rem;color:#71717a}
.mini b{font-family:'JetBrains Mono',monospace;color:#fff;font-size:.9rem;font-weight:600}

.marquee{animation:marq 40s linear infinite;width:max-content}
@keyframes marq{to{transform:translateX(-50%)}}

.feature{position:relative;border:1px solid #1f2a21;background:#121813;border-radius:1.25rem;padding:1.6rem;transition:border-color .3s,transform .3s;overflow:hidden}
.feature::before{content:"";position:absolute;inset:0;background:radial-gradient(300px circle at var(--mx,50%) var(--my,50%),rgba(143,209,139,.09),transparent 60%);opacity:0;transition:opacity .3s}
.feature:hover{border-color:#2f4632;transform:translateY(-3px)}
.feature:hover::before{opacity:1}
.feature h3{color:#fff;font-weight:700;font-size:1.1rem;margin:1.1rem 0 .5rem}
.feature p{color:#a1a1aa;font-size:.92rem;line-height:1.6}
.ficon{width:2.8rem;height:2.8rem;border-radius:.8rem;display:grid;place-items:center;background:rgba(143,209,139,.1);color:#8fd18b;border:1px solid rgba(143,209,139,.2)}
.ficon svg{width:1.3rem;height:1.3rem}

.range{-webkit-appearance:none;appearance:none;height:6px;border-radius:999px;background:linear-gradient(#8fd18b,#8fd18b) 0/var(--p,50%) 100% no-repeat,#1f2a21;outline:none}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid #8fd18b;cursor:pointer;transition:transform .15s}
.range::-webkit-slider-thumb:hover{transform:scale(1.15)}
.range::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:4px solid #8fd18b;cursor:pointer}

.bar{height:.5rem;background:#1f2a21;border-radius:999px;overflow:hidden}
.bar>div{height:100%;border-radius:999px;transition:width .5s cubic-bezier(.2,.8,.2,1);width:0}

.step{border-top:1px solid #1f2a21;padding-top:1.2rem}
.step span{font-family:'JetBrains Mono',monospace;color:#8fd18b;font-size:.8rem}
.step h3{color:#fff;font-weight:700;margin:.5rem 0 .3rem}
.step p{color:#a1a1aa;font-size:.9rem}

.seg{display:inline-flex;padding:.25rem;border:1px solid #1f2a21;background:#121813;border-radius:.8rem;gap:.2rem}
.seg button{flex:1;padding:.55rem 1rem;border-radius:.6rem;font-size:.875rem;font-weight:600;color:#a1a1aa;transition:.2s;white-space:nowrap}
.seg button:hover{color:#fff}
.seg button.active{background:#8fd18b;color:#0b0f0c}

.model{position:relative;border:1px solid #1f2a21;background:#121813;border-radius:1.25rem;padding:1.25rem;cursor:pointer;transition:border-color .25s,transform .25s,opacity .25s;animation:pop .45s cubic-bezier(.2,.8,.2,1) both}
.model:hover{border-color:#2f4632;transform:translateY(-3px)}
.model.rec{border-color:#8fd18b}
.model.dim{opacity:.45}
.model .img{aspect-ratio:4/3;border-radius:.9rem;background:#0e140f;display:flex;align-items:center;justify-content:center;overflow:hidden}
.model .img img{width:100%;height:100%;object-fit:contain;padding:.75rem;transition:transform .5s}
.model:hover .img img{transform:scale(1.06)}
.badge{position:absolute;top:1.6rem;left:1.6rem;z-index:2;font-size:.7rem;font-weight:700;background:#8fd18b;color:#0b0f0c;padding:.25rem .55rem;border-radius:.4rem}
.kv{display:flex;justify-content:space-between;font-size:.82rem;padding:.4rem 0;border-bottom:1px dashed #1f2a21}
.kv span{color:#71717a}.kv b{color:#e4e4e7;font-family:'JetBrains Mono',monospace;font-weight:500}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}

.spec th{text-align:left;font-weight:600;color:#71717a;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;padding:.9rem 1rem;background:#121813;border-bottom:1px solid #1f2a21}
.spec th.sortable{cursor:pointer;user-select:none}
.spec th.sortable:hover{color:#e4e4e7}
.spec td{padding:.85rem 1rem;border-bottom:1px solid #1f2a21;font-family:'JetBrains Mono',monospace;font-size:.82rem;color:#d4d4d8}
.spec td:first-child{font-family:Manrope;font-weight:700;color:#fff}
.spec tr{transition:background .2s}
.spec tbody tr:hover{background:#121813}
.spec tbody tr.hl td{color:#8fd18b}
.spec tbody tr:last-child td{border-bottom:none}

/* ===== Мастер подбора ===== */
#wzTabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid #1f2a21}
.wz-tab{position:relative;display:flex;flex-direction:column;gap:.35rem;padding:1rem .9rem;border-right:1px solid #1f2a21;text-align:left;transition:background .2s;cursor:pointer;background:transparent}
.wz-tab:last-child{border-right:none}
.wz-tab:hover:not([disabled]){background:#0f150f}
.wz-tab[disabled]{cursor:default;opacity:.55}
.wz-tab .wz-num{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:#52525b;letter-spacing:.08em}
.wz-tab{font-size:.82rem;font-weight:600;color:#71717a}
.wz-tab.done .wz-num,.wz-tab.done{color:#d4d4d8}
.wz-tab.done .wz-num{color:#8fd18b}
.wz-tab.active{background:#0f150f;color:#fff}
.wz-tab.active .wz-num{color:#8fd18b}
.wz-tab.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:#8fd18b}

/* Контент шага */
#wzBody{display:flex;flex-direction:column;gap:1.2rem}
.wz-anim{display:flex;flex-direction:column;gap:1.2rem;animation:wzIn .35s cubic-bezier(.2,.8,.2,1) both}
@keyframes wzIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.wz-h{color:#fff;font-weight:700;font-size:1.2rem;letter-spacing:-.01em}
.wz-p{color:#a1a1aa;font-size:.9rem;margin-top:.4rem;max-width:60ch;line-height:1.55}

/* ---------- Карточки опций (отрасли, качество и т.д.) ---------- */
.opt{
  position:relative;
  display:grid;
  grid-template-columns:2.6rem 1fr;
  grid-template-rows:auto auto;
  column-gap:.9rem;
  row-gap:.15rem;
  align-items:center;
  padding:1rem 1rem 1rem 1rem;
  border:1px solid #1f2a21;
  background:linear-gradient(180deg,#0e140f 0%,#0b0f0c 100%);
  border-radius:1rem;
  cursor:pointer;
  text-align:left;
  color:#e4e4e7;
  transition:border-color .25s,background .25s,transform .25s,box-shadow .25s;
  overflow:hidden;
  isolation:isolate;
}
.opt::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(220px circle at 20% 0%,rgba(143,209,139,.12),transparent 60%);
  opacity:0;transition:opacity .3s;pointer-events:none;z-index:-1;
}
.opt:hover{border-color:#2f4632;transform:translateY(-2px);box-shadow:0 10px 30px -18px rgba(0,0,0,.9)}
.opt:hover::before{opacity:1}

/* иконка в отдельном квадрате */
.opt > svg,
.opt > i:first-child{
  grid-column:1;
  grid-row:1 / span 2;
  width:2.6rem;height:2.6rem;
  display:grid;place-items:center;
  padding:.6rem;box-sizing:border-box;
  border-radius:.75rem;
  background:rgba(143,209,139,.08);
  border:1px solid rgba(143,209,139,.2);
  color:#8fd18b;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
}

/* заголовок */
.opt > b{
  grid-column:2;grid-row:1;
  color:#fff;font-weight:700;font-size:.98rem;line-height:1.2;letter-spacing:-.005em;
  align-self:end;
}
/* описание */
.opt > span{
  grid-column:2;grid-row:2;
  color:#8d8d97;font-size:.82rem;line-height:1.4;font-weight:500;
  align-self:start;
}
/* маркер выбора */
.opt::after{
  content:"";position:absolute;top:.7rem;right:.7rem;
  width:1.05rem;height:1.05rem;border-radius:50%;
  border:1.5px solid #2f4632;
  transition:background .25s,border-color .25s;
  background:transparent;
}
.opt.on{
  border-color:#8fd18b;
  background:linear-gradient(180deg,rgba(143,209,139,.12) 0%,rgba(143,209,139,.02) 100%);
}
.opt.on::before{opacity:1}
.opt.on > svg,
.opt.on > i:first-child{
  background:#8fd18b;border-color:#8fd18b;color:#0b0f0c;transform:scale(1.02);
}
.opt.on::after{
  background:#8fd18b;border-color:#8fd18b;
  box-shadow:inset 0 0 0 .28rem #8fd18b;
}

/* Спец-вид: карточки качества (4 в ряд) — те же .opt, но мельче иконка */
@media(min-width:1024px){
  .opt{min-height:100%}
}

/* ---------- Инструменты (шаг 2) ---------- */
.tool{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.8rem 1rem;border:1px solid #1f2a21;border-radius:.85rem;background:#0d120e;
  transition:border-color .2s,background .2s;
}
.tool:hover{border-color:#2f4632;background:#121813}
.tool > div:first-child{display:flex;flex-direction:column;gap:.15rem;min-width:0}
.tool b{color:#fff;font-weight:600;font-size:.92rem}
.tool span{color:#71717a;font-size:.78rem;font-family:'JetBrains Mono',monospace}

.qty{
  width:2rem;height:2rem;border-radius:.55rem;border:1px solid #1f2a21;background:#0b0f0c;color:#e4e4e7;
  display:grid;place-items:center;font-size:1.05rem;font-weight:600;transition:.2s;cursor:pointer;line-height:1;
}
.qty:hover{border-color:#8fd18b;color:#8fd18b;background:#121813}
.qty:active{transform:scale(.94)}

/* сегменты «По оборудованию / Знаю расход» */
.seg-sm button{padding:.45rem .8rem;font-size:.8rem}

/* Итоговая плашка «расчётный расход» */
#wzTotal{transition:color .3s}

/* ---------- Результат (шаг 4) ---------- */
.badge{display:inline-block;font-size:.7rem;font-weight:700;background:#8fd18b;color:#0b0f0c;padding:.25rem .55rem;border-radius:.4rem}

/* ===== Сопутствующее оборудование ===== */
.sys-tabs{display:flex;flex-wrap:wrap;gap:.5rem}
.sys-tab{display:inline-flex;align-items:center;gap:.5rem;border:1px solid #1f2a21;background:#0d120e;color:#a1a1aa;font-size:.82rem;font-weight:600;padding:.55rem .9rem;border-radius:.7rem;transition:.2s}
.sys-tab:hover{border-color:#2f4632;color:#fff}
.sys-tab.active{background:#8fd18b;color:#0b0f0c;border-color:#8fd18b}
.sys-tab .cnt{font-family:'JetBrains Mono',monospace;font-size:.7rem;background:rgba(0,0,0,.18);padding:.1rem .4rem;border-radius:.35rem}
.sys-tab.active .cnt{background:rgba(11,15,12,.18)}

#compGrid{margin-top:1.5rem}
.comp-cat{grid-column:1/-1;display:flex;align-items:center;gap:.6rem;color:#71717a;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;font-family:'JetBrains Mono',monospace;margin-top:.5rem}
.comp-cat::after{content:"";flex:1;height:1px;background:#1f2a21}

.comp{border:1px solid #1f2a21;background:#121813;border-radius:1.1rem;padding:1.1rem;display:flex;flex-direction:column;gap:.8rem;transition:.25s;cursor:pointer}
.comp:hover{border-color:#2f4632;transform:translateY(-2px)}
.comp.on{border-color:#8fd18b;background:rgba(143,209,139,.05)}
.comp-top{display:flex;align-items:flex-start;gap:.8rem}
.comp-ic{width:2.4rem;height:2.4rem;flex:none;border-radius:.7rem;display:grid;place-items:center;background:rgba(143,209,139,.1);color:#8fd18b;border:1px solid rgba(143,209,139,.2)}
.comp-ic svg{width:1.15rem;height:1.15rem}
.comp h4{color:#fff;font-weight:700;font-size:.98rem;line-height:1.25}
.comp .desc{color:#71717a;font-size:.8rem;line-height:1.45;margin-top:.2rem}
.comp-tags{display:flex;flex-wrap:wrap;gap:.35rem}
.tag{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:#a1a1aa;border:1px solid #1f2a21;background:#0d120e;padding:.2rem .45rem;border-radius:.4rem}
.comp.on .tag{border-color:rgba(143,209,139,.35);color:#c8e6c5}
.comp-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:.6rem}
.comp-price{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:#71717a}
.switch{width:2.6rem;height:1.5rem;border-radius:999px;background:#1f2a21;position:relative;flex:none;transition:background .2s;border:1px solid #1f2a21}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:1.1rem;height:1.1rem;border-radius:50%;background:#71717a;transition:.2s}
.comp.on .switch{background:#8fd18b;border-color:#8fd18b}
.comp.on .switch::after{left:calc(100% - 1.15rem);background:#0b0f0c}

.pill{border:1px solid #1f2a21;background:#0d120e;color:#a1a1aa;font-size:.78rem;font-weight:600;padding:.4rem .8rem;border-radius:999px;transition:.2s}
.pill:hover{border-color:#2f4632;color:#fff}
.pill.active{background:#8fd18b;color:#0b0f0c;border-color:#8fd18b}

.dot{width:.55rem;height:.55rem;border-radius:50%;display:inline-block}

.app{border:1px solid #1f2a21;border-radius:1.1rem;padding:1.3rem;transition:.25s;background:#0d120e;cursor:pointer;text-align:left}
.app:hover{border-color:#2f4632;background:#121813}
.app svg{width:1.5rem;height:1.5rem;color:#8fd18b}
.app h4{color:#fff;font-weight:700;margin:.9rem 0 .3rem}
.app p{font-size:.85rem;color:#a1a1aa}

.svc{border:1px solid #1f2a21;border-radius:1.1rem;padding:1.4rem;background:#0d120e;transition:.25s;display:block}
.svc:hover{border-color:#2f4632;background:#121813;transform:translateY(-2px)}
.svc svg{width:1.5rem;height:1.5rem;color:#8fd18b}
.svc h3{color:#fff;font-weight:700;margin:.9rem 0 .35rem}
.svc p{font-size:.85rem;color:#a1a1aa;line-height:1.5}
.svc span{display:inline-block;margin-top:.7rem;font-size:.82rem;font-weight:600;color:#8fd18b}

.faq{border:1px solid #1f2a21;background:#121813;border-radius:1rem;padding:0 1.3rem;transition:border-color .2s}
.faq[open]{border-color:#2f4632}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.15rem 0;font-weight:600;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{width:1.1rem;height:1.1rem;flex-shrink:0;color:#8fd18b;transition:transform .3s}
.faq[open] summary svg{transform:rotate(45deg)}
.faq p{color:#a1a1aa;padding-bottom:1.2rem;line-height:1.65;font-size:.95rem}

.field{display:flex;flex-direction:column;gap:.4rem}
.field span{font-size:.8rem;color:#a1a1aa}
.field input,.field select,.field textarea{background:#0b0f0c;border:1px solid #1f2a21;border-radius:.7rem;padding:.8rem .95rem;color:#fff;outline:none;transition:border-color .2s;font-size:.95rem;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#8fd18b}
.field input::placeholder,.field textarea::placeholder{color:#52525b}

.chipc{cursor:pointer}
.chipc input{position:absolute;opacity:0;pointer-events:none}
.chipc span{display:inline-block;border:1px solid #1f2a21;background:#0d120e;color:#a1a1aa;font-size:.82rem;padding:.45rem .9rem;border-radius:999px;transition:.2s}
.chipc input:checked+span{background:#8fd18b;color:#0b0f0c;border-color:#8fd18b}

.kit-btn{position:relative;display:grid;place-items:center;width:2.5rem;height:2.5rem;border-radius:.7rem;border:1px solid #1f2a21;background:#121813;color:#e4e4e7;transition:.2s}
.kit-btn:hover{border-color:#487348;color:#fff}
.kit-count{position:absolute;top:-6px;right:-6px;min-width:1.1rem;height:1.1rem;padding:0 .25rem;border-radius:999px;background:#8fd18b;color:#0b0f0c;font-size:.68rem;font-weight:700;display:grid;place-items:center;font-family:'JetBrains Mono',monospace}

.drawer{transform:translateX(100%);transition:transform .35s cubic-bezier(.2,.8,.2,1)}
#kitDrawer.open .drawer{transform:none}
#kitDrawer.open{display:block}

.tl{border:1px solid #1f2a21;border-radius:1rem;padding:1.1rem;background:#0d120e}
.tl span{font-family:'JetBrains Mono',monospace;font-size:.75rem;color:#8fd18b}
.tl h3{color:#fff;font-weight:700;font-size:.95rem;margin:.5rem 0 .3rem}
.tl p{color:#a1a1aa;font-size:.82rem}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.8,.2,1) var(--d,0s),transform .8s cubic-bezier(.2,.8,.2,1) var(--d,0s)}
.reveal.in{opacity:1;transform:none}

#modal.open{display:flex}
.modal-panel{animation:up .35s cubic-bezier(.2,.8,.2,1)}
@keyframes up{from{transform:translateY(30px);opacity:0}to{transform:none;opacity:1}}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}