/* Case-led inner pages: shared architecture-first visual system. */
.page-inner{
  --container:1440px;
  background:#fff;
}
.page-inner main{overflow:hidden}
.page-inner .home-frame{width:min(calc(100% - clamp(32px,4vw,64px)),1600px);margin-inline:auto}
.page-inner .shell{width:min(calc(100% - clamp(56px,6vw,96px)),var(--container))}
.page-inner main h1,
.page-inner main h2{
  font-family:Gilroy,Manrope,sans-serif;
  font-weight:300;
  letter-spacing:-.035em;
  text-wrap:balance;
}
.page-inner main h2{font-size:clamp(3rem,4.55vw,5rem);line-height:1.04}
.page-inner main h3{font-family:Manrope,Arial,sans-serif}
.page-inner main img{display:block;width:100%;object-fit:cover}

/* Every existing page hero becomes a case-led architectural field. */
.page-inner .page-hero{
  position:relative;
  isolation:isolate;
  display:flex;
  min-height:clamp(430px,45vw,660px);
  align-items:flex-end;
  overflow:hidden;
  border:0;
  background:var(--graphite);
  color:#fff;
}
.page-inner .page-hero::before{
  content:"";
  position:absolute;
  z-index:-1;
  inset:0;
  width:auto;
  border:0;
  background-image:
    linear-gradient(90deg,rgba(8,13,19,.85) 0%,rgba(8,13,19,.68) 40%,rgba(8,13,19,.24) 72%,rgba(8,13,19,.3) 100%),
    linear-gradient(0deg,rgba(8,13,19,.64),transparent 44%),
    var(--page-hero-image);
  background-position:center;
  background-size:cover;
}
.page-inner .page-hero .shell{
  position:relative;
  z-index:1;
  padding-block:clamp(72px,9vw,136px);
}
.page-inner .page-hero h1{
  max-width:15ch;
  color:#fff;
  font-size:clamp(3.2rem,6.1vw,6rem);
  font-weight:300;
  line-height:.98;
  letter-spacing:-.04em;
}
.page-inner .page-hero p:not(.eyebrow){
  max-width:58ch;
  margin-top:24px;
  color:rgba(255,255,255,.88);
  font-size:1.05rem;
  line-height:1.6;
}
.page-inner .breadcrumbs{margin-bottom:26px;color:rgba(255,255,255,.72)}
.page-inner .breadcrumbs a{color:rgba(255,255,255,.72)}
.page-inner .breadcrumbs a:hover{color:#fff}
.page-inner .breadcrumbs [aria-current=page]{color:#fff}
.page-inner .eyebrow{
  margin-bottom:16px;
  color:#fff;
  font-size:.75rem;
  letter-spacing:.12em;
}
.page-catalog{--page-hero-image:url('../img/mockup/project-private.webp')}
.page-chastnye{--page-hero-image:url('../img/mockup/project-private.webp')}
.page-kommercheskie{--page-hero-image:url('../img/mockup/project-commercial.webp')}
.page-kontakty{--page-hero-image:url('../img/hero.webp')}
.page-o-kompanii{--page-hero-image:url('../img/mockup/production.webp')}
.page-okna-dveri{--page-hero-image:url('../img/mockup/architecture-space.webp')}
.page-proekty{--page-hero-image:url('../img/mockup/project-residential.webp')}
.page-proizvodstvo{--page-hero-image:url('../img/mockup/production.webp')}
.page-uslugi{--page-hero-image:url('../img/factory-1.webp')}
.page-goszakaz{--page-hero-image:url('../img/mockup/direction-public.webp')}
.page-profili{--page-hero-image:url('../img/mockup/architecture-space.webp')}

/* Alternating fields and aperture-led content. */
.page-inner .section{padding-block:clamp(92px,10vw,160px)}
.page-inner .section-surface{background:var(--surface)}
.page-inner .section-head{
  grid-template-columns:1.15fr .85fr;
  gap:clamp(32px,6vw,96px);
  margin-bottom:clamp(44px,6vw,80px);
}
.page-inner .section-head p{color:var(--deep-slate);font-size:1rem;line-height:1.65}
.page-inner .copy p{color:var(--deep-slate);line-height:1.7}
.page-inner .split{gap:clamp(42px,7vw,110px)}
.page-inner .split img{aspect-ratio:5/3}

.page-inner .product-grid,
.page-inner .project-grid,
.page-inner .feature-grid,
.page-inner .service-grid{
  gap:clamp(20px,2.4vw,36px);
  border:0;
  background:transparent;
}
.page-inner .product-grid{grid-template-columns:repeat(6,1fr)}
.page-catalog .product-grid{grid-template-columns:repeat(2,1fr)}
.page-inner .product-card,
.page-inner .project-card,
.page-inner .feature-card,
.page-inner .service-card{background:transparent}
.page-inner .product-card>img,
.page-inner .project-card img{aspect-ratio:5/3;transition:transform .65s cubic-bezier(.16,1,.3,1)}
.page-inner .product-card:hover>img,
.page-inner .project-card:hover img{transform:scale(1.018)}
.page-inner .product-card{overflow:hidden}
.page-inner .product-card-body,
.page-inner .project-card-body{
  position:relative;
  padding:20px 0 0;
  border-top:1px solid var(--graphite);
}
.page-inner .product-card-body::before,
.page-inner .project-card-body::before{
  content:"";
  position:absolute;
  top:-2px;
  left:0;
  width:52px;
  height:3px;
  background:var(--accent);
}
.page-inner .product-card-body h3,
.page-inner .project-card-body h3{font-family:Gilroy,Manrope,sans-serif;font-size:clamp(1.35rem,2vw,1.8rem);font-weight:300}
.page-inner .product-card-body p,
.page-inner .project-card-body p{color:var(--slate)}
.page-inner .price-label{color:var(--deep-slate)}

.page-inner .feature-grid{grid-template-columns:repeat(4,1fr)}
.page-inner .service-grid{grid-template-columns:repeat(4,1fr)}
.page-catalog .product-card{grid-column:auto}
.page-inner .feature-card,
.page-inner .service-card{
  position:relative;
  padding:28px 26px 30px 0;
  border-top:1px solid var(--line);
}
.page-inner .feature-card+.feature-card,
.page-inner .service-card+.service-card{padding-left:26px;border-left:1px solid var(--line)}
.page-inner .feature-card h3,
.page-inner .service-card h3{font-size:1.05rem}
.page-inner .feature-card p,
.page-inner .service-card p{color:var(--slate);line-height:1.6}
.page-inner .service-card::before{margin-bottom:28px;color:var(--accent)}

.page-inner .terms-panel{
  padding:clamp(40px,6vw,86px);
  background:var(--graphite);
}
.page-inner .terms-panel p{max-width:64ch;color:var(--aluminium);line-height:1.7}
.page-inner .terms-panel .actions{margin-top:28px}

.page-inner .photo-grid{gap:clamp(12px,1.4vw,22px)}
.page-proekty .photo-grid{grid-template-columns:repeat(2,1fr)}
.page-proizvodstvo .photo-grid{grid-template-columns:repeat(4,1fr)}
.page-inner .photo-grid img{aspect-ratio:5/3;transition:transform .65s cubic-bezier(.16,1,.3,1)}
.page-inner .photo-grid figure{overflow:hidden}
.page-inner .photo-grid figure:hover img{transform:scale(1.018)}
.page-inner .photo-grid figcaption{padding-top:12px;color:var(--deep-slate)}

.page-inner .proof-strip{background:var(--graphite)}
.page-inner .proof-strip .shell{padding-block:38px}
.page-inner .proof-item{border-left:1px solid var(--accent);color:#fff;line-height:1.55}
.page-inner .process{border-color:var(--line)}
.page-inner .process li{padding-block:30px;border-color:var(--line)}
.page-inner .process h3{font-size:1rem}
.page-inner .process p{color:var(--slate)}
.page-inner .fact-line{padding-block:28px}
.page-inner .fact-line strong{font-family:Gilroy,Manrope,sans-serif;font-size:clamp(1.5rem,2.4vw,2.25rem);font-weight:300}

.page-inner .cta-panel{background:var(--accent)}
.page-inner .cta-panel .shell{padding-block:clamp(64px,8vw,112px)}
.page-inner .cta-panel h2{max-width:16ch;color:#fff}
.page-inner .cta-panel p{color:rgba(255,255,255,.86)}
.page-inner .cta-panel .btn-primary{border-color:#fff;background:#fff;color:var(--graphite)}
.page-inner .cta-panel .btn-primary:hover{background:var(--surface);color:var(--graphite)}
.page-inner .cta-panel .btn-ghost{border-color:#fff;color:#fff}
.page-inner .cta-panel .btn-ghost:hover{background:#fff;color:var(--graphite)}

.page-inner .contact-grid{gap:clamp(52px,8vw,120px)}
.page-inner .contact-lines{border-color:var(--line)}
.page-inner .contact-line{padding-block:20px;border-color:var(--line)}
.page-inner .request-form{gap:20px}
.page-inner .field input,
.page-inner .field textarea{padding:16px;border-color:var(--line);background:var(--surface)}
.page-inner .field input:focus,
.page-inner .field textarea:focus{background:#fff}

@media(max-width:1180px){
  .page-proizvodstvo .photo-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:980px){
  .page-inner .page-hero{min-height:560px}
  .page-inner .page-hero .shell{padding-block:76px}
  .page-inner .page-hero h1{max-width:14ch;font-size:clamp(3rem,8.5vw,4.8rem)}
  .page-inner .section-head{grid-template-columns:1fr}
  .page-inner .section-head p{justify-self:start}
  .page-inner .feature-grid{grid-template-columns:repeat(2,1fr)}
  .page-inner .service-grid{grid-template-columns:repeat(2,1fr)}
  .page-inner .project-grid{grid-template-columns:repeat(2,1fr)}
  .page-proizvodstvo .photo-grid{grid-template-columns:repeat(2,1fr)}
  .page-inner .photo-grid:has(>:nth-child(3):last-child)>:first-child{grid-column:1/-1}
  .page-inner .feature-card:nth-child(odd){padding-left:0;border-left:0}
}

@media(max-width:640px){
  .page-inner .shell{width:calc(100% - 32px)}
  .page-inner .page-hero{min-height:540px;align-items:flex-end}
  .page-inner .page-hero::before{
    background-image:
      linear-gradient(180deg,rgba(8,13,19,.56),rgba(8,13,19,.86)),
      var(--page-hero-image);
  }
  .page-inner .page-hero .shell{padding-block:56px}
  .page-inner .page-hero h1{font-size:clamp(2.75rem,13vw,3.25rem)}
  .page-inner .page-hero p:not(.eyebrow){font-size:.95rem;line-height:1.55}
  .page-inner .breadcrumbs{margin-bottom:22px;font-size:.7rem}
  .page-inner .section{padding-block:80px}
  .page-inner main h2{font-size:clamp(2.55rem,11vw,3.25rem)}
  .page-inner .feature-grid{grid-template-columns:1fr}
  .page-inner .service-grid{grid-template-columns:1fr}
  .page-catalog .product-grid,
  .page-inner .project-grid,
  .page-proekty .photo-grid,
  .page-proizvodstvo .photo-grid{grid-template-columns:1fr}
  .page-inner .photo-grid:has(>:nth-child(3):last-child)>:first-child{grid-column:auto}
  .page-inner .feature-card,
  .page-inner .feature-card+.feature-card,
  .page-inner .service-card,
  .page-inner .service-card+.service-card{padding:24px 0;border-left:0}
  .page-inner .photo-grid{gap:36px}
  .page-inner .cta-panel .shell{padding-block:64px}
}

@media(prefers-reduced-motion:reduce){
  .page-inner .product-card>img,
  .page-inner .project-card img,
  .page-inner .photo-grid img{transition:none}
}