/* ═══════ внутрішні сторінки ═══════ */

/* випадне меню «Будівлі» */
.has-sub{position:relative}
.sub-t{display:flex; align-items:center; gap:6px; font-size:13.5px; font-weight:500; color:#D6DAE0;
  padding:6px 0; position:relative; white-space:nowrap}
.sub-t::after{content:''; position:absolute; left:0; bottom:0; height:1.5px; width:0; background:var(--red);
  transition:width .35s var(--ease)}
.sub-t:hover{color:#fff}
.sub-t:hover::after{width:100%}
.sub-t svg{opacity:.6; transition:transform .3s var(--ease)}
.has-sub.open .sub-t svg{transform:rotate(180deg)}
.sub{position:absolute; top:calc(100% + 14px); left:-18px; min-width:250px; background:rgba(12,15,18,.97);
  backdrop-filter:blur(14px); border:1px solid rgba(255,255,255,.12); border-radius:4px; padding:8px;
  display:grid; gap:1px; opacity:0; visibility:hidden; transform:translateY(-6px);
  transition:opacity .25s var(--ease), transform .25s var(--ease), visibility .25s}
.has-sub.open .sub{opacity:1; visibility:visible; transform:none}
.sub a{display:block; padding:11px 13px; border-radius:3px; font-size:13.5px; font-weight:500; color:#D6DAE0}
.sub a:hover{background:rgba(255,255,255,.08); color:#fff}
.sub a em{display:block; font-style:normal; font-size:11.5px; color:#7C858F; margin-top:2px}
.drawer .sub-list{display:grid; gap:0; padding:4px 0 10px 14px; border-left:1px solid rgba(255,255,255,.14); margin-left:2px}
.drawer .sub-list a{font-size:14.5px; font-weight:500; color:#A9B2BC; padding:10px 0; border:0}

/* хлібні крихти */
.crumbs{font-size:12px; color:#8A939D; padding:22px 0 0; position:relative; z-index:2}
.crumbs a{color:#B6BDC6}
.crumbs a:hover{color:#fff}
.crumbs span{color:#6E7885; margin:0 6px}

/* герой внутрішньої сторінки */
.page-hero{position:relative; background:#0C0F12; overflow:hidden; padding-top:78px; color:#fff}
.page-hero>img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.page-hero .scrim{background:
  linear-gradient(90deg, rgba(10,13,16,.95) 0%, rgba(10,13,16,.88) 34%, rgba(10,13,16,.5) 62%, rgba(10,13,16,.25) 100%),
  linear-gradient(180deg, rgba(10,13,16,.85) 0%, rgba(10,13,16,0) 34%)}
.page-hero .inner{position:relative; z-index:2; padding:34px 0 56px; max-width:720px}
.page-hero h1{margin:14px 0 0; font-size:clamp(30px,4.2vw,52px); font-weight:800; letter-spacing:-.03em;
  line-height:1.05; text-wrap:balance}
.page-hero .lead{margin:20px 0 0; font-size:16.5px; color:#C4CAD2; line-height:1.65; max-width:60ch}
.page-hero .cta{display:flex; gap:14px; margin-top:32px; flex-wrap:wrap}
.page-hero .eyebrow{color:#9BA4AE; letter-spacing:.2em; margin:0}

/* смуга характеристик */
.spec-band{position:relative; z-index:2; border-top:1px solid rgba(255,255,255,.13);
  background:rgba(10,13,16,.5); backdrop-filter:blur(4px)}
.spec-grid{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:26px; padding:22px 0}
.spec-grid div b{display:block; font-size:19px; font-weight:700; letter-spacing:-.02em; color:#fff; line-height:1.2}
.spec-grid div em{display:block; font-style:normal; font-size:var(--t-xs); color:#98A1AC; margin-top:5px; line-height:1.4}

/* вступний текст */
.lead-in{display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.25fr); gap:56px; align-items:start}
.lead-in p{margin:0 0 14px; font-size:15.5px; color:var(--ink2); line-height:1.75; max-width:64ch}
.lead-in p:last-child{margin-bottom:0}

/* сценарії використання */
.uses{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px}
.use{border:1px solid var(--line); border-radius:4px; padding:22px; background:#fff;
  transition:border-color .3s var(--ease), transform .3s var(--ease)}
.use:hover{border-color:#C9CED5; transform:translateY(-3px)}
.use i{display:block; font-style:normal; font-family:var(--font); font-size:11px; font-weight:700;
  letter-spacing:.1em; color:var(--muted2)}
.use b{display:block; font-size:16px; font-weight:700; letter-spacing:-.018em; margin:12px 0 8px; line-height:1.3}
.use p{margin:0; font-size:13.5px; color:var(--muted); line-height:1.6}

/* що входить */
.build-list{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 46px}
.build-list > div{display:grid; grid-template-columns:34px minmax(0,1fr); gap:16px; padding:18px 0;
  border-bottom:1px solid var(--line2)}
.build-list i{font-style:normal; font-size:11.5px; font-weight:700; color:var(--red); letter-spacing:.04em; padding-top:3px}
.build-list b{display:block; font-size:14.5px; font-weight:650; letter-spacing:-.012em}
.build-list p{margin:5px 0 0; font-size:13px; color:var(--muted); line-height:1.6}

/* таблиця розмірів */
.sizes{border:1px solid var(--line); border-radius:4px; overflow:hidden; background:#fff}
.sizes table{width:100%; border-collapse:collapse; font-size:13.5px}
.sizes th,.sizes td{text-align:left; padding:14px 18px; border-bottom:1px solid var(--line2)}
.sizes th{background:var(--bg); font-size:11px; font-weight:600; letter-spacing:.1em; text-transform:uppercase;
  color:var(--muted); border-bottom:1px solid var(--line)}
.sizes tr:last-child td{border-bottom:0}
.sizes tbody tr:hover{background:var(--surface2, #FAFBFC)}
.sizes td:first-child{font-weight:700; letter-spacing:-.01em}
.sizes td em{display:block; font-style:normal; font-size:11.5px; color:var(--muted); margin-top:3px}
.sizes .num{font-variant-numeric:tabular-nums; white-space:nowrap}
.sizes td a{color:var(--red); font-weight:600; white-space:nowrap}

/* комплектації */
.packs{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px}
.pack{border:1px solid var(--line); border-radius:4px; padding:26px 24px; background:#fff; position:relative}
.pack.mid{border:1.5px solid var(--ink)}
.pack .tag{position:absolute; top:-10px; left:22px; background:var(--ink); color:#fff; font-size:10px;
  font-weight:700; letter-spacing:.1em; text-transform:uppercase; padding:4px 10px; border-radius:2px}
.pack h3{margin:0; font-size:20px; font-weight:800; letter-spacing:.02em}
.pack > p{margin:8px 0 18px; font-size:13px; color:var(--muted); line-height:1.6; min-height:62px}
.pack ul{list-style:none; margin:0; padding:0; display:grid; gap:9px; border-top:1px solid var(--line2); padding-top:16px}
.pack li{font-size:13px; color:var(--ink2); display:grid; grid-template-columns:16px 1fr; gap:10px; align-items:start; line-height:1.5}
.pack li svg{margin-top:3px; color:var(--red)}
.pack li.off{color:var(--muted2)}
.pack li.off svg{color:var(--line)}

/* галерея */
.gallery{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px}
.gallery figure{margin:0; border-radius:4px; overflow:hidden; position:relative; background:var(--dark)}
.gallery img{width:100%; aspect-ratio:4/3; object-fit:cover; transition:transform .8s var(--ease)}
.gallery figure:hover img{transform:scale(1.06)}
.gallery figcaption{position:absolute; left:0; right:0; bottom:0; padding:32px 16px 14px; color:#fff;
  font-size:12.5px; background:linear-gradient(180deg, rgba(10,13,16,0), rgba(10,13,16,.88))}
.gallery figcaption b{display:block; font-size:14px; font-weight:650}
.gallery figcaption em{font-style:normal; color:#B6BDC6}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex; align-items:flex-start; gap:18px; width:100%; text-align:left; padding:20px 0;
  font-size:16px; font-weight:650; letter-spacing:-.015em; line-height:1.4; color:var(--ink)}
.faq-q span{margin-left:auto; flex:none; width:22px; height:22px; border-radius:50%; border:1px solid var(--line);
  display:grid; place-items:center; transition:transform .35s var(--ease), background .3s, border-color .3s; margin-top:1px}
.faq-item.open .faq-q span{transform:rotate(45deg); background:var(--red); border-color:var(--red); color:#fff}
.faq-a{max-height:0; overflow:hidden; transition:max-height .45s var(--ease)}
.faq-item.open .faq-a{max-height:460px}
.faq-a p{margin:0 0 20px; font-size:14px; color:var(--ink2); line-height:1.75; max-width:78ch}
.faq-a p:first-child{padding-top:2px}

/* темна смуга CTA */
.dark-band{background:var(--dark); position:relative; overflow:hidden}
.dark-band .wrap{position:relative; z-index:2; display:flex; align-items:center; gap:40px;
  padding-top:58px; padding-bottom:58px; flex-wrap:wrap}
.dark-band h2{color:#fff; max-width:560px}
.dark-band p{margin:12px 0 0; font-size:14.5px; color:#B6BDC6; max-width:52ch; line-height:1.65}
.dark-band .b{margin-left:auto; display:flex; gap:12px; flex-wrap:wrap}

/* сторінка «Про нас» */
.prose{max-width:70ch}
.prose p{margin:0 0 16px; font-size:15.5px; color:var(--ink2); line-height:1.8}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink); font-weight:650}
.steps-big{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px}
.step-big{border-top:2px solid var(--ink); padding-top:18px}
.step-big i{font-style:normal; font-family:var(--font); font-size:11px; font-weight:700; letter-spacing:.12em; color:var(--red)}
.step-big b{display:block; font-size:16px; font-weight:700; letter-spacing:-.02em; margin:10px 0 9px; line-height:1.25}
.step-big p{margin:0; font-size:13px; color:var(--muted); line-height:1.65}
.principles{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:0 48px}
.principles > div{padding:20px 0; border-bottom:1px solid var(--line2)}
.principles b{display:block; font-size:15px; font-weight:650; letter-spacing:-.015em}
.principles p{margin:7px 0 0; font-size:13.5px; color:var(--muted); line-height:1.65}
.notdo{background:var(--bg); border-left:3px solid var(--red); border-radius:0 4px 4px 0; padding:26px 28px}
.notdo h3{margin:0 0 14px; font-size:17px; font-weight:700; letter-spacing:-.02em}
.notdo ul{margin:0; padding-left:18px; display:grid; gap:9px}
.notdo li{font-size:13.5px; color:var(--ink2); line-height:1.65}

/* контакти */
.contact-grid{display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.05fr); gap:48px; align-items:start}
.cbox{display:grid; gap:0}
.cbox > div{padding:20px 0; border-bottom:1px solid var(--line2); display:grid;
  grid-template-columns:120px minmax(0,1fr); gap:18px; align-items:baseline}
.cbox .k{font-size:11px; font-weight:600; letter-spacing:.11em; text-transform:uppercase; color:var(--muted2)}
.cbox .v{font-size:16px; font-weight:650; letter-spacing:-.015em}
.cbox .v a:hover{color:var(--red)}
.cbox .v em{display:block; font-style:normal; font-size:13px; font-weight:400; color:var(--muted); margin-top:5px; line-height:1.6}
.cform{border:1px solid var(--line); border-radius:4px; padding:28px; background:#fff}
.cform h3{margin:0 0 6px; font-size:20px; font-weight:700; letter-spacing:-.022em}
.cform > p{margin:0 0 20px; font-size:13.5px; color:var(--muted); line-height:1.6}

@media (max-width:1180px){
  .uses{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps-big{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lead-in{grid-template-columns:1fr; gap:28px}
  .contact-grid{grid-template-columns:1fr; gap:34px}
  .sub{position:static; opacity:1; visibility:visible; transform:none}
}
@media (max-width:820px){
  .spec-grid{grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px}
  .build-list{grid-template-columns:1fr; gap:0}
  .packs{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
  .principles{grid-template-columns:1fr; gap:0}
  .page-hero{padding-top:66px}
  .page-hero .inner{padding:24px 0 40px}
  .cbox > div{grid-template-columns:1fr; gap:6px}
  .sizes{overflow-x:auto}
  .sizes table{min-width:540px}
}
@media (max-width:540px){
  .uses{grid-template-columns:1fr}
  .steps-big{grid-template-columns:1fr}
  .cform{padding:20px}
  .notdo{padding:20px}
}