/* Насосное оборудование — стили страниц nasosy.html и nasosy-*.html (14.10.2026, ТЗ_nasosy).
   Подключает только build_static_catalog.py для страниц с флагом nas. Префиксы: pt- (каркас раздела),
   pc- (плитки и иконки разделов), nas- (каталог, заглушки, форма, CTA). */
.pt-hero {
  position: relative;
  padding: 80px 0 0;
  overflow: hidden;
  background: radial-gradient(900px 600px at 80% -20%, rgba(26,95,168,.4), transparent 55%),
              radial-gradient(600px 400px at 10% 80%, rgba(232,35,42,.18), transparent 50%),
              var(--bg);
}
.pt-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}
.pt-hero__inner { position: relative; z-index: 1; padding-bottom: 64px; }
.pt-hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(26,95,168,.2); border: 1px solid rgba(26,95,168,.4);
  border-radius: 100px; padding: 6px 16px;
  font-size: 12px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: #7ab4ff; margin-bottom: 20px;
}
.pt-hero__title {
  font-family: "DM Serif Display", serif;
  font-size: clamp(36px, 5.5vw, 68px);
  line-height: 1.04; margin: 0 0 20px; font-weight: 400; color: #fff;
  max-width: 900px;
}
.pt-hero__title em { color: var(--red); font-style: normal; }
.pt-hero__lead { font-size: clamp(15px, 1.3vw, 18px); color: #c4d0ea; max-width: 680px; margin: 0 0 36px; line-height: 1.7; }
.pt-hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }
.pt-hero__cta .btn--ghost { color: #fff; border-color: rgba(255,255,255,.35); }

/* ── BRAND STRIP ── */
.pt-brands {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 20px 24px; background: rgba(255,255,255,.04);
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.pt-brands__label { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-right: 8px; flex-shrink: 0; }
.pt-brand-pill {
  padding: 5px 14px; border: 1px solid rgba(255,255,255,.15);
  border-radius: 100px; font-size: 13px; font-weight: 600; color: #c4d0ea;
  background: rgba(255,255,255,.05); white-space: nowrap;
}

/* ── CATEGORIES ── */
.pt-cats { padding: 72px 0 64px; background: var(--bg); }
.pt-cats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-top: 36px;
}
.pt-cat {
  position: relative; border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
  background: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  padding: 28px 24px 24px;
  cursor: pointer; transition: transform .2s, box-shadow .2s, border-color .2s;
  display: flex; flex-direction: column; gap: 12px;
  text-decoration: none; color: #fff;
}
.pt-cat:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,.3); border-color: rgba(26,95,168,.5); }
.pt-cat--active { border-color: #1A5FA8; box-shadow: 0 0 0 2px rgba(26,95,168,.5); }
.pt-cat__icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; font-size: 26px;
  flex-shrink: 0;
}
.pt-cat__icon--blue { background: rgba(26,95,168,.25); }
.pt-cat__icon--red  { background: rgba(232,35,42,.2); }
.pt-cat__icon--teal { background: rgba(20,160,120,.2); }
.pt-cat__icon--gold { background: rgba(200,150,20,.2); }
.pt-cat__name { font-size: 16px; font-weight: 700; line-height: 1.3; }
.pt-cat__brands { font-size: 12px; color: var(--ink-soft); }
.pt-cat__price {
  margin-top: auto; font-family: "DM Serif Display", serif;
  font-size: 20px; color: #fff;
}
.pt-cat__price span { font-family: Manrope, sans-serif; font-size: 11px; color: var(--ink-soft); margin-left: 4px; }

/* ── HOW WE WORK ── */
.pt-steps { padding: 56px 0; background: var(--bg-2); }

/* ── PRODUCTS ── */
.pt-products { padding: 72px 0; background: var(--bg); }
.pt-products .cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px; margin-top: 32px;
}

/* ── ADVANTAGES ── */
.pt-adv { padding: 72px 0; background: var(--bg-2); }
.pt-adv__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 36px; }
.pt-adv-card {
  border: 1px solid var(--line); border-radius: 16px;
  padding: 28px 24px;
  background: linear-gradient(160deg, rgba(255,255,255,.05), rgba(255,255,255,.01));
  transition: border-color .2s;
}
.pt-adv-card:hover { border-color: rgba(26,95,168,.4); }
.pt-adv-card__ico { font-size: 32px; margin-bottom: 16px; }
.pt-adv-card__title { font-size: 16px; font-weight: 700; color: #fff; margin: 0 0 8px; }
.pt-adv-card__text { font-size: 14px; color: var(--ink-soft); line-height: 1.65; margin: 0; }

/* ── CTA BANNER ── */
.pt-cta {
  padding: 72px 0; background: linear-gradient(135deg, rgba(26,95,168,.3) 0%, rgba(232,35,42,.2) 100%), var(--bg);
  text-align: center;
}
.pt-cta h2 { font-family: "DM Serif Display", serif; font-size: clamp(28px,3.5vw,44px); margin: 0 0 14px; font-weight: 400; }
.pt-cta p { color: #c4d0ea; margin: 0 0 32px; font-size: 17px; }
.pt-cta__buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }
.pt-cta .btn--ghost { border-color: rgba(255,255,255,.4); color: #fff; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .pt-cats__grid { grid-template-columns: repeat(2, 1fr); }
  .pt-adv__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .pt-hero { padding-top: 60px; }
  .pt-hero__inner { padding-bottom: 40px; }
  .pt-cats { padding: 48px 0; }
  .pt-cats__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .pt-cat { padding: 20px 16px; }
  .pt-cat__name { font-size: 14px; }
  .pt-adv__grid { grid-template-columns: 1fr; }
  .pt-cta__buttons { flex-direction: column; align-items: center; }
  .pt-brands { gap: 6px; }
}

/* ── ПЛИТКИ РАЗДЕЛОВ (ТЗ п. 1) ── */
:root{
  --pc-card:#121A2E;
  --pc-line:rgba(148,163,184,.12);
  --pc-text:#F1F5F9;
  --pc-muted:#8A97AD;
  --pc-accent:#38BDF8;
  --pc-accent-2:#6366F1;
}
.pc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
@media (max-width:960px){.pc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.pc-grid{grid-template-columns:1fr}}
.pc-card{
  position:relative;display:flex;flex-direction:column;
  padding:32px;border-radius:24px;text-decoration:none;color:inherit;
  background:radial-gradient(120% 80% at 0% 0%,rgba(56,189,248,.07),transparent 60%),var(--pc-card);
  border:1px solid var(--pc-line);
  overflow:hidden;isolation:isolate;
  transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .35s,box-shadow .35s;
}
.pc-card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;z-index:-1;
  background:linear-gradient(135deg,var(--pc-accent),transparent 40%,transparent 60%,var(--pc-accent-2));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .35s;
}
.pc-card:hover,.pc-card.is-hover{transform:translateY(-4px);box-shadow:0 24px 48px -24px rgba(56,189,248,.35)}
.pc-card:hover::after,.pc-card.is-hover::after{opacity:1}
.pc-ico{
  width:80px;height:80px;border-radius:22px;display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(56,189,248,.16),rgba(99,102,241,.06));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),inset 0 0 0 1px rgba(125,211,252,.16);
  margin-bottom:28px;transition:box-shadow .35s,transform .35s;
}
.pc-ico svg{width:54px;height:54px;overflow:visible}
.pc-card:hover .pc-ico,.pc-card.is-hover .pc-ico{
  transform:scale(1.04);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.12),inset 0 0 0 1px rgba(125,211,252,.35),0 0 32px -6px rgba(56,189,248,.55);
}
.pc-ico .s{fill:none;stroke:url(#pcGrad);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pc-ico .d{fill:none;stroke:#7DD3FC;stroke-opacity:.45;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pc-ico .f{fill:url(#pcGrad);fill-opacity:.18;stroke:none}
.pc-card:hover .pc-ico .flow,.pc-card.is-hover .pc-ico .flow{stroke-dasharray:3 4;animation:pcFlow 1s linear infinite}
@keyframes pcFlow{to{stroke-dashoffset:-14}}
@media (prefers-reduced-motion:reduce){
  .pc-card,.pc-ico{transition:none}
  .pc-card:hover .pc-ico .flow{animation:none}
}
.pc-title{font-size:22px;font-weight:700;letter-spacing:-.01em;margin:0 0 10px;color:var(--pc-text);font-family:Manrope,system-ui,sans-serif}
.pc-desc{font-size:15px;color:var(--pc-muted);margin:0 0 28px;line-height:1.5}
.pc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:20px;border-top:1px solid var(--pc-line)}
.pc-count{font-family:inherit;font-size:15px;font-weight:600;color:var(--pc-text)}
.pc-count b{font-size:28px;font-weight:800;letter-spacing:-.02em;margin-right:6px;
  background:linear-gradient(135deg,#E0F2FE,#7DD3FC);-webkit-background-clip:text;background-clip:text;color:transparent}
.pc-arrow{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--pc-line);color:var(--pc-muted);transition:all .35s}
.pc-card:hover .pc-arrow,.pc-card.is-hover .pc-arrow{background:var(--pc-accent);border-color:var(--pc-accent);color:#0B1020;transform:translateX(2px)}

/* ── «Почему выбирают нас»: иконки 56×56 (п. 2.4) ── */
.pc-ico--sm{width:56px;height:56px;border-radius:16px;margin-bottom:18px}
.pc-ico--sm svg{width:32px;height:32px}

/* ── КАТАЛОГ ПО ГРУППАМ (п. 3) ── */
.nas-note{margin:8px 0 0;color:var(--pc-muted);font-size:15px}
.nas-group{margin-top:44px}
.nas-group__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 20px;margin-bottom:18px}
.nas-group__title{margin:0;font-size:22px;font-weight:700;color:var(--pc-text);font-family:Manrope,system-ui,sans-serif}
.nas-group__all{color:var(--pc-accent);text-decoration:none;font-weight:600;font-size:15px}
.nas-group__all:hover{text-decoration:underline}
.nas-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.nas-cards .card[hidden]{display:none}
.nas-more{margin-top:18px}
.card__media img{display:block}
.nas-ph{aspect-ratio:4/3;display:grid;place-items:center;background:radial-gradient(120% 80% at 0% 0%,rgba(56,189,248,.08),transparent 60%),var(--pc-card);border-bottom:1px solid var(--pc-line)}
.nas-ph .pc-ico{margin:0}

/* ── SEO свёрнут (п. 2.5) ── */
.nas-seo details{margin-top:4px}
.nas-seo summary{cursor:pointer;color:var(--pc-accent);font-weight:600;list-style:none;display:inline-block;margin:6px 0 4px}
.nas-seo summary::-webkit-details-marker{display:none}
.nas-seo details[open] summary{display:none}

/* ── «Смотрите также» (п. 6.5) ── */
.nas-see{padding:56px 0;background:var(--bg-2)}
.nas-see__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
@media (max-width:760px){.nas-see__grid{grid-template-columns:1fr}}
.nas-see__item{display:block;padding:22px 24px;border-radius:18px;border:1px solid var(--pc-line);background:var(--pc-card);text-decoration:none;color:var(--pc-text);font-weight:700;transition:border-color .25s,transform .25s}
.nas-see__item span{display:block;margin-top:6px;font-weight:400;font-size:14px;color:var(--pc-muted)}
.nas-see__item:hover{border-color:rgba(56,189,248,.45);transform:translateY(-2px)}

/* ── Хлебные крошки в hero ── */
.pt-hero .breadcrumbs{margin-bottom:18px}

/* ── Форма: блок «Параметры насоса» (п. 5.2) ── */
.nas-params{grid-column:1/-1}
.nas-params summary{cursor:pointer;color:var(--pc-accent,#38BDF8);font-weight:600;font-size:14px;list-style:none}
.nas-params summary::-webkit-details-marker{display:none}
.nas-params[open] summary{margin-bottom:10px}
.nas-params__grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:560px){.nas-params__grid{grid-template-columns:1fr}}

/* ── Плавающие кнопки (п. 4.1): отступ снизу, «Консультант» в иконку < 768 px ── */
body.nas-page{padding-bottom:96px}
@media (max-width:767px){
  .nas-page .cg-chat__fab{width:56px;height:56px;padding:0;border-radius:50%;justify-content:center}
  .nas-page .cg-chat__fab-label{display:none}
}