/* ==========================================================================
   ГК СЭС — Design System
   Premium Industrial / Corporate Construction
   ========================================================================== */

:root{
  --black: #0B0B0B;
  --dark: #161616;
  --white: #FFFFFF;
  --light: #F4F4F4;
  --gray: #777777;
  --gray-line: rgba(255,255,255,.12);
  --gray-line-soft: rgba(0,0,0,.10);
  --accent: #C7A468; /* умеренный сдержанный акцент (латунь/металл), используется точечно */

  --container: 1280px;
  --gutter: clamp(20px, 5vw, 64px);

  --radius: 2px;
  --ease: cubic-bezier(.16,.84,.44,1);
  --dur: .6s;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
ul{ list-style:none; margin:0; padding:0; }
h1,h2,h3,h4,p{ margin:0; }

.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

::selection{ background: var(--white); color: var(--black); }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

/* ------------------------------ Typography ------------------------------ */
.eyebrow{
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
h1, .h1{
  font-size: clamp(40px, 6.4vw, 84px);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -.02em;
}
h2, .h2{
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -.02em;
}
h3, .h3{
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.2;
  font-weight: 700;
}
.lead{
  font-size: clamp(16px, 1.6vw, 20px);
  line-height: 1.55;
  color: rgba(255,255,255,.72);
  font-weight: 400;
}
.body-text{
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255,255,255,.68);
}
.num{
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

/* --------------------------------- Buttons ------------------------------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  min-height:52px; padding: 0 30px;
  border-radius: var(--radius);
  font-weight: 600; font-size:15px; letter-spacing:.01em;
  border:1px solid transparent;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
  white-space: nowrap;
}
.btn:active{ transform: scale(.97); }
.btn-primary{ background: var(--white); color: var(--black); }
.btn-primary:hover{ background: var(--light); }
.btn-outline{ background: transparent; color: var(--white); border-color: rgba(255,255,255,.35); }
.btn-outline:hover{ border-color: var(--white); background: rgba(255,255,255,.06); }
.btn-dark{ background: var(--black); color: var(--white); border-color: rgba(255,255,255,.2); }
.btn-dark:hover{ border-color: rgba(255,255,255,.5); }
.btn-block{ width:100%; }
.btn-sm{ min-height:44px; padding:0 22px; font-size:14px; }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:14px;
  color: var(--white); border-bottom:1px solid rgba(255,255,255,.3); padding-bottom:2px;
  transition: gap .25s var(--ease), border-color .25s var(--ease);
}
.link-arrow:hover{ gap:14px; border-color: var(--white); }
.link-arrow svg{ width:16px; height:16px; flex:none; }

/* --------------------------------- Header -------------------------------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 200;
  padding: 22px 0;
  transition: padding .35s var(--ease), background-color .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  padding: 14px 0;
  background: rgba(11,11,11,.82);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--gray-line);
}
.site-header .container{ display:flex; align-items:center; justify-content:space-between; gap:24px; }
.logo{ display:flex; align-items:center; height:30px; }
.logo img{ height:100%; width:auto; }

.main-nav{ display:flex; align-items:center; gap:2px; }
.main-nav a{
  position:relative; display:inline-block; padding:10px 16px;
  font-size:14px; font-weight:600; color: rgba(255,255,255,.78);
  transition: color .2s var(--ease);
}
.main-nav a:hover{ color: var(--white); }
.main-nav a.active{ color: var(--accent); }
.main-nav a.active::after{
  content:''; position:absolute; left:16px; right:16px; bottom:5px; height:1px; background: var(--accent);
}

.header-actions{ display:flex; align-items:center; gap:18px; }
.burger{
  display:none; width:44px; height:44px; align-items:center; justify-content:center;
  background:transparent; border:1px solid rgba(255,255,255,.2); border-radius:var(--radius);
}
.burger::before, .burger::after{ display:none; }
.burger-icon{ position:relative; width:18px; height:12px; }
.burger-icon i{ position:absolute; left:0; right:0; height:1.5px; background:var(--white); transition: transform .3s var(--ease), opacity .3s var(--ease), top .3s var(--ease); }
.burger-icon i:nth-child(1){ top:0; }
.burger-icon i:nth-child(2){ top:5.5px; }
.burger-icon i:nth-child(3){ top:11px; }
.nav-open .burger-icon i:nth-child(1){ top:5.5px; transform: rotate(45deg); }
.nav-open .burger-icon i:nth-child(2){ opacity:0; }
.nav-open .burger-icon i:nth-child(3){ top:5.5px; transform: rotate(-45deg); }

.mobile-nav{
  position: fixed; inset:0; z-index:199; background: var(--black);
  display:flex; flex-direction:column; justify-content:center; padding: 32px var(--gutter);
  opacity:0; pointer-events:none; transform: translateY(-8px);
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.nav-open .mobile-nav{ opacity:1; pointer-events:auto; transform:none; }
.mobile-nav a{
  display:block; padding: 16px 0; font-size: 30px; font-weight:800;
  border-bottom:1px solid var(--gray-line); color: var(--white);
}
.mobile-nav .btn{ margin-top:28px; }
body.nav-locked{ overflow:hidden; }

/* --------------------------------- Footer -------------------------------- */
.site-footer{ position:relative; overflow:hidden; background: var(--dark); border-top:1px solid var(--gray-line); padding: 88px 0 0; }
.site-footer::before{
  content:'ГК СЭС'; position:absolute; left:50%; bottom:-6%; transform:translateX(-50%);
  font-weight:800; font-size:clamp(90px,17vw,260px); line-height:1; letter-spacing:-.02em;
  white-space:nowrap; color:transparent; -webkit-text-stroke:1px rgba(255,255,255,.06);
  pointer-events:none; z-index:0;
}
.site-footer .container{ position:relative; z-index:1; }
.footer-top{
  display:grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 48px;
  padding-bottom: 64px; border-bottom: 1px solid var(--gray-line);
}
.footer-brand .logo{ height:26px; margin-bottom:18px; }
.footer-brand p{ color: rgba(255,255,255,.5); font-size:14px; max-width:320px; line-height:1.6; }
.footer-col h4{ font-size:13px; text-transform:uppercase; letter-spacing:.12em; color: var(--gray); margin-bottom:20px; font-weight:700;}
.footer-col a{ display:block; padding:7px 0; color: rgba(255,255,255,.72); font-size:15px; transition: color .2s; }
.footer-col a:hover{ color: var(--white); }
.footer-cta{ text-align:right; }
.footer-cta p{ color: rgba(255,255,255,.5); font-size:14px; margin-top:14px; }
.footer-bottom{
  display:flex; flex-wrap:wrap; gap:12px 28px; align-items:center; justify-content:space-between;
  padding: 26px 0 30px; font-size:13px; color: rgba(255,255,255,.42);
}
.footer-bottom nav{ display:flex; flex-wrap:wrap; gap: 20px; }
.footer-bottom a{ color: rgba(255,255,255,.42); transition:color .2s; }
.footer-bottom a:hover{ color: var(--white); }

@media (max-width: 860px){
  .main-nav, .header-actions .btn{ display:none; }
  .burger{ display:inline-flex; }
  .footer-top{ grid-template-columns: 1fr; gap:40px; }
  .footer-cta{ text-align:left; }
}

/* --------------------------------- Sections ------------------------------ */
section{ position: relative; }
.section-pad{ padding: 120px 0; }
@media (max-width:760px){ .section-pad{ padding: 76px 0; } }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:32px; margin-bottom:56px; }
.section-head .lead{ max-width:440px; }
.divider{ height:1px; background: var(--gray-line); border:none; margin:0; }

/* --------------------------------- Hero ---------------------------------- */
.hero{ position:relative; min-height:100svh; display:flex; align-items:flex-end; overflow:hidden; }
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; }
.hero-media::after{
  content:''; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(11,11,11,.35) 0%, rgba(11,11,11,.55) 55%, rgba(11,11,11,.94) 100%);
}
.hero-content{ position:relative; z-index:1; width:100%; padding-bottom: 96px; padding-top: 180px; }
.hero .eyebrow{ color: var(--accent); margin-bottom:18px; }
.hero h1{ max-width: 16ch; }
.hero .lead{ max-width:520px; margin-top:22px; }
.hero-actions{ display:flex; gap:16px; margin-top:40px; flex-wrap:wrap; }
.scroll-indicator{
  position:absolute; right: var(--gutter); bottom:36px; z-index:1;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  color: rgba(255,255,255,.55); font-size:12px; letter-spacing:.12em; text-transform:uppercase;
}
.scroll-indicator .line{ width:1px; height:52px; background: rgba(255,255,255,.3); position:relative; overflow:hidden; }
.scroll-indicator .line::after{
  content:''; position:absolute; top:-100%; left:0; width:100%; height:100%; background:var(--white);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine{ 0%{ top:-100%; } 60%{ top:100%; } 100%{ top:100%; } }

/* --------------------------------- Stats ---------------------------------- */
.stats{ border-bottom: 1px solid var(--gray-line); }
.stats-grid{ display:grid; grid-template-columns: repeat(4, 1fr); }
.stat{ padding: 56px var(--gutter); border-left:1px solid var(--gray-line); }
.stat:first-child{ border-left:none; padding-left:0; }
.stat-num{ font-size: clamp(36px, 4.4vw, 58px); display:flex; align-items:baseline; gap:4px; }
.stat-label{ margin-top:10px; color: rgba(255,255,255,.55); font-size:14px; }
@media (max-width: 860px){
  .stats-grid{ grid-template-columns: repeat(2, 1fr); }
  .stat{ padding: 32px 20px; border-left:1px solid var(--gray-line); }
  .stat:nth-child(2n+1){ border-left:none; padding-left:0; }
  .stat:nth-child(-n+2){ border-top:none; }
  .stat:nth-child(n+3){ border-top:1px solid var(--gray-line); }
}

/* --------------------------------- About split ---------------------------------- */
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items:center; }
.split-media{ aspect-ratio: 4/5; overflow:hidden; background:var(--dark); }
.split-media img{ width:100%; height:100%; object-fit:cover; transition: transform 1.2s var(--ease); }
.split:hover .split-media img{ transform: scale(1.04); }
.feature-list{ margin-top:48px; display:grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; }
.feature-item .num{ font-size:13px; color: var(--gray); display:block; margin-bottom:10px; }
.feature-item h4{ font-size:17px; font-weight:700; }
@media (max-width: 900px){
  .split{ grid-template-columns: 1fr; }
  .feature-list{ grid-template-columns: 1fr 1fr; }
}

/* --------------------------------- Cards grid ------------------------------------ */
.services-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap:1px; background: var(--gray-line); border:1px solid var(--gray-line); }
.service-card{
  background: var(--black); padding: 36px 28px; min-height: 300px;
  display:flex; flex-direction:column; justify-content:space-between;
  position:relative; overflow:hidden; transition: background .35s var(--ease);
}
.service-card:hover{ background: #101010; }
.service-card .num{ color: var(--accent); font-size:14px; }
.service-card h3{ margin-top:auto; padding-top:24px; font-size:20px; }
.service-card p{ color: rgba(255,255,255,.5); font-size:14px; margin-top:10px; line-height:1.55; }
.service-card .arrow{
  position:absolute; top:32px; right:28px; width:16px; height:16px; opacity:0;
  transform: translate(-6px,6px); transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.service-card:hover .arrow{ opacity:1; transform:none; }
@media (max-width: 1024px){ .services-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .services-grid{ grid-template-columns: 1fr; } }

/* --------------------------------- Projects ------------------------------------ */
.filters{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom: 48px; }
.filter-btn{
  padding: 10px 20px; border:1px solid rgba(255,255,255,.18); border-radius:999px;
  font-size:13px; font-weight:600; color: rgba(255,255,255,.65); background:transparent;
  transition: all .25s var(--ease);
}
.filter-btn:hover{ border-color: rgba(255,255,255,.5); color:var(--white); }
.filter-btn.active{ background: var(--white); color: var(--black); border-color:var(--white); }

.projects-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.project-card{ position:relative; display:block; aspect-ratio: 4/3; overflow:hidden; background:var(--dark); }
.project-card img{ width:100%; height:100%; object-fit:cover; transition: transform .8s var(--ease); }
.project-card:hover img{ transform: scale(1.08); }
.project-card::after{ content:''; position:absolute; inset:0; background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,.88) 100%); }
.project-info{ position:absolute; left:0; right:0; bottom:0; z-index:1; padding: 24px; }
.project-info .tag{ font-size:11px; text-transform:uppercase; letter-spacing:.1em; color: rgba(255,255,255,.65); }
.project-info h3{ font-size:20px; margin-top:8px; }
.project-info .meta{ font-size:13px; color: rgba(255,255,255,.55); margin-top:6px; }
.status-badge{
  position:absolute; top:20px; right:20px; z-index:1; font-size:11px; padding:6px 12px;
  background: rgba(11,11,11,.6); border:1px solid rgba(255,255,255,.25); border-radius:999px; backdrop-filter: blur(6px);
}
@media (max-width: 1024px){ .projects-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px){ .projects-grid{ grid-template-columns: 1fr; } }

.demo-flag{
  display:inline-flex; align-items:center; gap:8px; font-size:12px; color: rgba(255,255,255,.45);
  border:1px dashed rgba(255,255,255,.25); padding:8px 14px; border-radius:999px; margin-bottom:28px;
}

/* --------------------------------- Editorial advantages ------------------------------------ */
.editorial{ border-top:1px solid var(--gray-line); }
.editorial-item{ border-bottom:1px solid var(--gray-line); padding: 40px 0; cursor:pointer; }
.editorial-item .row{ display:flex; align-items:baseline; gap:28px; }
.editorial-item .num{ font-size:15px; color: var(--accent); flex:none; width:40px; }
.editorial-item h3{ font-size: clamp(22px,3vw,34px); transition: opacity .3s; flex:1; }
.editorial-item .plus{ font-size:26px; color: var(--gray); transition: transform .3s var(--ease); }
.editorial-item.open .plus{ transform: rotate(45deg); }
.editorial-body{ max-height:0; overflow:hidden; transition: max-height .45s var(--ease); padding-left:68px; }
.editorial-item.open .editorial-body{ max-height:200px; }
.editorial-body p{ padding-top:16px; max-width:640px; }

/* --------------------------------- Equipment ------------------------------------ */
.equipment-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:24px; }
.equipment-card{ background: var(--dark); border:1px solid var(--gray-line); }
.equipment-card .thumb{ aspect-ratio:4/3; overflow:hidden; }
.equipment-card img{ width:100%; height:100%; object-fit:cover; transition: transform .6s var(--ease); }
.equipment-card:hover img{ transform: scale(1.06); }
.equipment-card .body{ padding:22px 24px; }
.equipment-card h4{ font-size:17px; }
.equipment-card .meta{ margin-top:8px; font-size:13px; color: var(--gray); }
@media (max-width: 900px){ .equipment-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .equipment-grid{ grid-template-columns: 1fr; } }

/* --------------------------------- Process timeline ------------------------------------ */
.timeline{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--gray-line); border:1px solid var(--gray-line); }
.timeline-step{ background: var(--black); padding: 32px 24px; min-height:180px; }
.timeline-step .num{ color: var(--accent); font-size:14px; }
.timeline-step h4{ margin-top:34px; font-size:16px; }
@media (max-width: 900px){ .timeline{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .timeline{ grid-template-columns: 1fr; } }

/* --------------------------------- CTA band ------------------------------------ */
.cta-band{ position:relative; overflow:hidden; }
.cta-band .hero-media img{ width:100%;height:100%;object-fit:cover; }
.cta-band .hero-media::after{ background: rgba(11,11,11,.8); } /* сильнее и равномернее, т.к. текст здесь по центру, а не внизу как в hero */
.cta-band-inner{ position:relative; z-index:1; padding: 130px var(--gutter); text-align:center; }
.cta-band h2{ max-width: 16ch; margin:0 auto; }
.cta-band .lead{ max-width:520px; margin: 20px auto 0; }
.cta-band .btn{ margin-top:36px; }

/* --------------------------------- Forms ------------------------------------ */
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:20px; }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.field.full{ grid-column: 1 / -1; }
.field label{ font-size:13px; color: rgba(255,255,255,.6); }
.field input, .field select, .field textarea{
  background: var(--dark); border:1px solid rgba(255,255,255,.16); color:var(--white);
  padding: 15px 16px; font-size:15px; border-radius: var(--radius); font-family:inherit;
  transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: rgba(255,255,255,.55); outline:none; }
.field textarea{ resize:vertical; min-height:120px; }
.field-error{ font-size:12px; color:#ff6b6b; min-height:14px; }
.field.has-error input, .field.has-error select, .field.has-error textarea{ border-color:#ff6b6b; }
.checkbox-row{ display:flex; align-items:flex-start; gap:12px; font-size:13px; color: rgba(255,255,255,.6); margin: 8px 0 28px; }
.checkbox-row input{ margin-top:3px; width:16px; height:16px; flex:none; accent-color:#fff; }
.file-drop{
  border:1px dashed rgba(255,255,255,.25); border-radius:var(--radius); padding:26px; text-align:center;
  color: rgba(255,255,255,.5); font-size:14px; cursor:pointer; transition: border-color .2s;
}
.file-drop:hover{ border-color: rgba(255,255,255,.55); }
.file-drop input{ display:none; }
.file-list{ margin-top:10px; font-size:13px; color: rgba(255,255,255,.6); }

.form-status{ display:none; padding:16px 18px; border-radius: var(--radius); font-size:14px; margin-top:18px; }
.form-status.show{ display:block; }
.form-status.success{ background: rgba(90,200,120,.1); border:1px solid rgba(90,200,120,.35); color:#8fe3a8; }
.form-status.error{ background: rgba(255,90,90,.1); border:1px solid rgba(255,90,90,.35); color:#ff9c9c; }
.btn-loading{ position:relative; pointer-events:none; opacity:.75; }
.btn-loading::after{
  content:''; width:15px; height:15px; border-radius:50%; border:2px solid rgba(0,0,0,.25); border-top-color:#000;
  animation: spin .7s linear infinite; margin-left:4px;
}
@keyframes spin{ to{ transform: rotate(360deg); } }
@media (max-width: 700px){ .form-grid{ grid-template-columns: 1fr; } .field.full{ grid-column:auto; } }

/* --------------------------------- Page header (inner pages) ------------------------------------ */
.page-header{ padding: 190px 0 70px; border-bottom:1px solid var(--gray-line); }
.page-header .eyebrow{ margin-bottom:16px; }
.page-header .lead{ margin-top:18px; max-width:620px; }
.breadcrumbs{ display:flex; gap:8px; font-size:13px; color: var(--gray); margin-bottom:28px; }
.breadcrumbs a{ color: var(--gray); }
.breadcrumbs a:hover{ color: var(--white); }

/* --------------------------------- Project detail ------------------------------------ */
.project-hero{ position:relative; height:64vh; min-height:420px; overflow:hidden; margin-top:0; }
.project-hero img{ width:100%; height:100%; object-fit:cover; }
.project-facts{ display:grid; grid-template-columns: repeat(5,1fr); border-top:1px solid var(--gray-line); border-bottom:1px solid var(--gray-line); }
.project-fact{ padding: 28px var(--gutter); border-left:1px solid var(--gray-line); }
.project-fact:first-child{ border-left:none; padding-left:var(--gutter); }
.project-fact .label{ font-size:12px; text-transform:uppercase; letter-spacing:.08em; color: var(--gray); }
.project-fact .value{ margin-top:8px; font-size:16px; font-weight:600; }
@media (max-width: 900px){
  .project-facts{ grid-template-columns: repeat(2,1fr); }
  .project-fact{ border-left:none !important; border-top:1px solid var(--gray-line); padding-left:var(--gutter) !important; }
}
.project-gallery{ display:grid; grid-template-columns: repeat(3,1fr); gap:2px; margin-top:24px; }
.project-gallery img{ aspect-ratio: 4/3; object-fit:cover; width:100%; }
@media (max-width:700px){ .project-gallery{ grid-template-columns:1fr 1fr; } }

/* --------------------------------- Utilities / reveal animations ------------------------------------ */
[data-reveal]{ opacity:0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].in{ opacity:1; transform:none; }
[data-reveal-stagger] > *{ opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-reveal-stagger].in > *{ opacity:1; transform:none; }
[data-reveal-stagger].in > *:nth-child(1){ transition-delay: .02s; }
[data-reveal-stagger].in > *:nth-child(2){ transition-delay: .08s; }
[data-reveal-stagger].in > *:nth-child(3){ transition-delay: .14s; }
[data-reveal-stagger].in > *:nth-child(4){ transition-delay: .2s; }
[data-reveal-stagger].in > *:nth-child(5){ transition-delay: .26s; }
[data-reveal-stagger].in > *:nth-child(6){ transition-delay: .32s; }
[data-reveal-stagger].in > *:nth-child(7){ transition-delay: .38s; }
[data-reveal-stagger].in > *:nth-child(8){ transition-delay: .44s; }

.bg-dark{ background: var(--dark); }
.text-gray{ color: var(--gray); }
.mt-0{ margin-top:0; }
.center{ text-align:center; }

/* --------------------------------- 404 ------------------------------------ */
.page-404{ min-height:100svh; display:flex; align-items:center; justify-content:center; text-align:center; padding: 140px var(--gutter) 80px; }
.page-404 .big{ font-size: clamp(60px, 12vw, 160px); font-weight:800; line-height:1; letter-spacing:-.03em; }

/* --------------------------------- Careers list ------------------------------------ */
.job-item{ display:flex; align-items:center; justify-content:space-between; gap:24px; padding: 28px 0; border-bottom:1px solid var(--gray-line); }
.job-item h4{ font-size:18px; }
.job-item .meta{ margin-top:6px; font-size:13px; color:var(--gray); }
.job-empty{ padding: 60px 0; text-align:center; color: var(--gray); }

/* --------------------------------- Map placeholder ------------------------------------ */
.map-box{
  aspect-ratio: 16/7; background: var(--dark); border:1px solid var(--gray-line);
  display:flex; align-items:center; justify-content:center; color: var(--gray); font-size:14px; text-align:center; padding:24px;
}

/* ==========================================================================
   Design pass 2 — premium polish: grain, Ken Burns, scroll progress,
   magnetic buttons, spotlight cards, elegant empty states.
   ========================================================================== */

/* Film grain — fixed, subtle, sits above everything but ignores clicks */
.grain{
  position:fixed; inset:0; z-index:9999; pointer-events:none;
  opacity:.045; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-reduced-motion: reduce){ .grain{ display:none; } }

/* Scroll progress bar */
.scroll-progress{ position:fixed; top:0; left:0; height:2px; width:0%; background:var(--accent); z-index:300; transition: width .1s linear; }

/* Ken Burns slow drift on large media */
.hero-media img{ animation: kenburns 22s ease-in-out infinite alternate; will-change: transform; }
@keyframes kenburns{
  0%{ transform: scale(1.0) translate3d(0,0,0); }
  100%{ transform: scale(1.09) translate3d(-1.2%, -1.6%, 0); }
}
@media (prefers-reduced-motion: reduce){ .hero-media img{ animation:none; } }

/* Magnetic buttons */
.btn{ will-change: transform; }

/* Spotlight hover on cards — JS sets --mx/--my (0..100, %) on mousemove */
.service-card, .equipment-card, .project-card, .timeline-step, .stat{
  position:relative; isolation:isolate;
}
.service-card::before, .equipment-card::before, .timeline-step::before{
  content:''; position:absolute; inset:0; z-index:0; opacity:0; pointer-events:none;
  background: radial-gradient(360px circle at var(--mx,50%) var(--my,50%), rgba(199,164,104,.14), transparent 65%);
  transition: opacity .35s var(--ease);
}
.service-card:hover::before, .equipment-card:hover::before, .timeline-step:hover::before{ opacity:1; }
.service-card > *, .equipment-card > *{ position:relative; z-index:1; }

/* Elegant empty-state stat (no fabricated numbers, just a calmer placeholder) */
.stat-num.is-empty{ color: rgba(255,255,255,.28); font-weight:700; position:relative; }
.stat-num .dash{ display:inline-block; width:.7em; height:2px; background: currentColor; vertical-align:middle; }

/* Equipment "уточняется" pill instead of plain gray text */
.equipment-card .meta.is-pending{
  display:inline-flex; align-items:center; gap:7px; color: rgba(255,255,255,.4);
}
.equipment-card .meta.is-pending::before{
  content:''; width:6px; height:6px; border-radius:50%; background: var(--accent); opacity:.7;
  animation: pulseDot 2.2s ease-in-out infinite;
}
@keyframes pulseDot{ 0%,100%{ opacity:.35; transform:scale(.85); } 50%{ opacity:.9; transform:scale(1.15); } }

/* Nav underline grow */
.main-nav a{ position:relative; }
.main-nav a::before{
  content:''; position:absolute; left:16px; right:16px; bottom:5px; height:1px; background: var(--white);
  transform: scaleX(0); transform-origin:left; transition: transform .3s var(--ease);
}
.main-nav a:hover::before{ transform: scaleX(1); }
.main-nav a.active::before{ display:none; }

/* Buttons: subtle shine sweep on hover */
.btn-primary{ position:relative; overflow:hidden; }
.btn-primary::after{
  content:''; position:absolute; top:0; bottom:0; left:-60%; width:40%;
  background: linear-gradient(115deg, transparent, rgba(0,0,0,.12), transparent);
  transform: skewX(-18deg); transition: left .55s var(--ease);
}
.btn-primary:hover::after{ left:130%; }

/* Number count-up subtle glow while animating */
[data-counter]{ transition: text-shadow .3s; }

/* ==========================================================================
   Единый тон для всех фотографий — тёмные, спокойные, приглушённые цвета
   вместо ярких «стоковых» оттенков. Логотип и иконки не трогаем.
   ========================================================================== */
.hero-media img,
.split-media img,
.project-card img,
.project-hero img,
.project-gallery img,
.equipment-card img,
.cta-band .hero-media img{
  filter: grayscale(42%) brightness(.66) contrast(1.14) saturate(.55) sepia(6%);
}