/* ==========================================================================
   ПЕРИМЕТР — Design System
   Ремонт коммерческой недвижимости под ключ
   ========================================================================== */

:root{
  /* --- Color: graphite / concrete / brass ------------------------------ */
  --ink:        #121316;   /* primary dark surface */
  --ink-2:      #1A1C21;   /* elevated dark surface */
  --ink-3:      #23262c;   /* card on dark */
  --paper:      #F4F2EC;   /* light surface, warm concrete paper */
  --paper-2:    #EAE6DB;   /* elevated light surface */
  --paper-3:    #DEDACB;

  --brass:      #C08A44;   /* signature accent */
  --brass-light:#E4C08C;
  --brass-dim:  #8A6633;

  --ink-text:   #17181B;   /* text on paper */
  --paper-text: #F4F2EC;   /* text on ink */
  --steel:      #8A8D93;   /* muted secondary, on dark */
  --steel-2:    #6b6e73;   /* muted secondary, on light */

  --line-dark:  rgba(244,242,236,.12);
  --line-dark-soft: rgba(244,242,236,.07);
  --line-light: rgba(18,19,22,.13);
  --line-light-soft: rgba(18,19,22,.07);

  --ok: #7BA88A;

  /* --- Type -------------------------------------------------------------*/
  --f-display: 'Manrope', 'Helvetica Neue', Arial, sans-serif;
  --f-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --f-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  /* --- Layout ------------------------------------------------------------*/
  --container: 1240px;
  --container-wide: 1440px;
  --gutter: clamp(20px, 4vw, 64px);
  --radius: 2px;

  --ease: cubic-bezier(.22,.68,0,1);
  --ease-soft: cubic-bezier(.4,0,.2,1);
}

/* ==========================================================================
   Reset
   ========================================================================== */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; overflow-x:hidden; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}
body{ margin:0; }
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; overflow-wrap:break-word; word-break:normal; }
input,textarea,select{ font:inherit; color:inherit; }

body{
  background:var(--paper);
  color:var(--ink-text);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

::selection{ background:var(--brass); color:var(--ink); }

/* Grid/flex children default to min-width:auto, which can force a track
   wider than the viewport when it holds long text. Resetting to 0 lets
   text wrap instead of pushing the whole layout into horizontal overflow. */
.hero__inner > *,
.two-col > *,
.cta-band > *,
.cta-band form,
.section-head > *,
.site-header__inner > *,
.footer-top > *{
  min-width:0;
}

:focus-visible{
  outline:2px solid var(--brass);
  outline-offset:3px;
}

/* ==========================================================================
   Type scale
   ========================================================================== */
.h-display{
  font-family:var(--f-display);
  font-weight:800;
  letter-spacing:-0.02em;
  line-height:1.02;
  font-size:clamp(2.6rem, 5.6vw, 5.4rem);
}
.h-xl{
  font-family:var(--f-display);
  font-weight:800;
  letter-spacing:-0.02em;
  line-height:1.05;
  font-size:clamp(2.1rem, 3.6vw, 3.4rem);
}
.h-lg{
  font-family:var(--f-display);
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.12;
  font-size:clamp(1.6rem, 2.4vw, 2.25rem);
}
.h-md2{
  font-family:var(--f-display);
  font-weight:500;
  letter-spacing:-0.01em;
  line-height:1.25;
  font-size:clamp(1.05rem, 1.4vw, 1.2rem);
}
.h-md{
  font-family:var(--f-display);
  font-weight:700;
  letter-spacing:-0.01em;
  line-height:1.2;
  font-size:clamp(1.25rem, 1.6vw, 1.5rem);
}
.body-lg{
  font-size:clamp(1.05rem, 1.3vw, 1.25rem);
  line-height:1.6;
  color:var(--steel-2);
}
.on-dark .body-lg{ color:var(--steel); }

.eyebrow{
  font-family:var(--f-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--brass);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:18px; height:1px;
  background:var(--brass);
  display:inline-block;
}

.mono{ font-family:var(--f-mono); }

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.wrap{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.wrap-wide{
  width:100%;
  max-width:var(--container-wide);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{ padding-block: clamp(64px, 9vw, 128px); position:relative; }
.section-tight{ padding-block: clamp(40px, 6vw, 72px); }
.on-dark{ background:var(--ink); color:var(--paper-text); }
.on-ink-2{ background:var(--ink-2); color:var(--paper-text); }
.on-paper2{ background:var(--paper-2); }

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:40px;
  margin-bottom:clamp(36px,5vw,64px);
  flex-wrap:wrap;
}
.section-head .h-xl{ margin-top:14px; max-width:640px; }
.section-head__side{ max-width:380px; padding-bottom:4px; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:15px 28px;
  font-family:var(--f-body);
  font-weight:600;
  font-size:.94rem;
  border-radius:var(--radius);
  transition:transform .45s var(--ease), background .3s var(--ease-soft), color .3s var(--ease-soft), border-color .3s var(--ease-soft);
  white-space:nowrap;
  position:relative;
}
.btn-primary{
  background:var(--brass);
  color:var(--ink);
}
.btn-primary:hover{ background:var(--brass-light); transform:translateY(-2px); }
.btn-ghost-dark{
  border:1px solid var(--line-dark);
  color:var(--paper-text);
}
.btn-ghost-dark:hover{ border-color:var(--brass); color:var(--brass-light); transform:translateY(-2px); }
.btn-ghost-light{
  border:1px solid var(--line-light);
  color:var(--ink-text);
}
.btn-ghost-light:hover{ border-color:var(--brass); color:var(--brass-dim); transform:translateY(-2px); }
.btn-block{ width:100%; }
.btn svg{ width:16px; height:16px; flex:none; transition:transform .4s var(--ease); }
.btn:hover svg{ transform:translateX(4px); }

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:.94rem;
  border-bottom:1px solid currentColor;
  padding-bottom:2px;
}
.link-arrow svg{ width:14px; height:14px; transition:transform .35s var(--ease); }
.link-arrow:hover svg{ transform:translateX(4px); }

/* corner-bracket frame — technical drawing registration marks, the
   recurring structural device tying every visual back to blueprint sheets */
.brackets{ position:relative; }
.brackets::before,
.brackets::after,
.brackets .bk-tr,
.brackets .bk-bl{
  content:'';
  position:absolute;
  width:16px; height:16px;
  border:1px solid var(--line-dark);
  opacity:0;
  transition:opacity .4s var(--ease-soft), border-color .4s var(--ease-soft);
  pointer-events:none;
}
.brackets::before{ top:-1px; left:-1px; border-right:0; border-bottom:0; }
.brackets::after{ bottom:-1px; right:-1px; border-left:0; border-top:0; }
.brackets .bk-tr{ top:-1px; right:-1px; border-left:0; border-bottom:0; }
.brackets .bk-bl{ bottom:-1px; left:-1px; border-right:0; border-top:0; }
.brackets:hover::before,.brackets:hover::after,
.brackets:hover .bk-tr,.brackets:hover .bk-bl{ opacity:1; border-color:var(--brass); }
.on-paper .brackets::before,.on-paper .brackets::after,
.on-paper .brackets .bk-tr,.on-paper .brackets .bk-bl{ border-color:var(--line-light); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:22px 0;
  transition:padding .4s var(--ease-soft), background .4s var(--ease-soft), border-color .4s var(--ease-soft);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  padding:14px 0;
  background:rgba(18,19,22,.86);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom-color:var(--line-dark);
}
.site-header__inner{
  max-width:var(--container-wide);
  margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-family:var(--f-display); font-weight:800; font-size:1.18rem;
  letter-spacing:-.01em;
  color:var(--paper-text);
  flex:none;
}
.logo .mark{
  width:250px; height:80px;
  flex:none;
}

.logo small{
  display:block;
  font-family:var(--f-mono);
  font-weight:400;
  font-size:.58rem;
  letter-spacing:.1em;
  color:var(--steel);
  text-transform:uppercase;
  margin-top:2px;
}

.nav{ display:flex; align-items:center; gap:8px; }
.nav a{
  font-size:0.7rem; font-weight:500;
  color:var(--steel);
  padding:10px 14px;
  position:relative;
  transition:color .3s var(--ease-soft);
}
.nav a:hover{ color:var(--paper-text); }
.nav a.is-active{ color:var(--paper-text); }
.nav a.is-active::after{
  content:'';
  position:absolute; left:14px; right:14px; bottom:4px; height:1px;
  background:var(--brass);
}

.header__actions{ display:flex; align-items:center; gap:20px; flex:none; }
.header__phone{
  font-family:var(--f-mono);
  font-size:.88rem;
  color:var(--paper-text);
  display:flex; flex-direction:column; align-items:flex-end; line-height:1.3;
}
.header__phone span{ font-family:var(--f-body); font-size:.68rem; color:var(--steel); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; flex:none;
}
.nav-toggle span{ width:100%; height:1px; background:var(--paper-text); transition:transform .35s var(--ease), opacity .3s; }
.nav-toggle.is-open span:nth-child(1){ transform:translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform:translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--paper-text);
  padding-top:clamp(150px, 20vw, 220px);
  padding-bottom:clamp(60px, 8vw, 96px);
  overflow:hidden;
  isolation:isolate;
}
.hero::before{
  content:'';
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 900px 500px at 82% 8%, rgba(192,138,68,.14), transparent 60%),
    linear-gradient(180deg, #121316 0%, #121316 70%, #17181c 100%);
  z-index:-2;
}
.hero-grid{
  position:absolute; inset:0; z-index:-1;
  background-image:
    linear-gradient(var(--line-dark-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark-soft) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 85%);
  opacity:.7;
}
.hero__inner{
  max-width:var(--container-wide);
  margin-inline:auto;
  padding-inline:var(--gutter);
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:24px;
  align-items:center;
}
.hero__copy{ max-width:620px; }
.hero__badges{
  display:flex; flex-wrap:wrap; gap:10px;
  margin-bottom:26px;
}
.hero__badge{
  font-family:var(--f-mono);
  font-size:.68rem; letter-spacing:.08em; text-transform:uppercase;
  padding:7px 12px;
  border:1px solid var(--line-dark);
  color:var(--steel);
  border-radius:100px;
}
.hero h1{ margin-bottom:22px; }
.hero h1 em{ color:var(--brass-light); font-style:normal; }
.hero__lede{ max-width:520px; margin-bottom:36px; }
.hero__ctas{ display:flex; align-items:center; gap:28px; flex-wrap:wrap; }

.hero__art{ position:relative; aspect-ratio:1/1; max-width:560px; margin-inline:auto; }
.hero__art svg{ width:100%; height:100%; }

.spec-row{
  border-top:1px solid var(--line-dark);
  margin-top:clamp(56px,7vw,88px);
  padding-top:28px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.spec-row__item{
  padding-inline:24px;
  border-left:1px solid var(--line-dark);
}
.spec-row__item:first-child{ padding-left:0; border-left:0; }
.spec-row__num{
  font-family:var(--f-display); font-weight:800;
  font-size:clamp(1.7rem,2.6vw,2.5rem);
  color:var(--paper-text);
  display:flex; align-items:baseline; gap:2px;
}
.spec-row__num .suffix{ font-size:1.1rem; color:var(--brass); font-weight:700; }
.spec-row__label{
  font-family:var(--f-mono); font-size:.7rem; letter-spacing:.06em;
  color:var(--steel); text-transform:uppercase; margin-top:8px;
}

/* ==========================================================================
   Marquee (partner / trust strip)
   ========================================================================== */
.marquee{
  border-top:1px solid var(--line-light);
  border-bottom:1px solid var(--line-light);
  overflow:hidden;
  padding-block:22px;
  background:var(--paper);
}
.marquee__track{
  display:flex; gap:64px; width:max-content;
  animation:marquee 34s linear infinite;
}
.marquee p{
  font-family:var(--f-mono); font-size:.82rem; letter-spacing:.05em;
  color:var(--steel-2); white-space:nowrap;
}
@keyframes marquee{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* ==========================================================================
   Cards — object types / services
   ========================================================================== */
.type-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1px;
  background:var(--line-light);
  border:1px solid var(--line-light);
}
.type-card{
  position:relative;
  background:var(--paper);
  padding:36px 30px 30px;
  min-height:260px;
  display:flex; flex-direction:column;
  transition:background .4s var(--ease-soft);
}
.type-card:hover{ background:var(--paper-2); }
.type-card__index{
  font-family:var(--f-mono); font-size:.72rem; color:var(--brass-dim); letter-spacing:.06em;
}
.type-card__icon{ width:38px; height:38px; margin:18px 0 22px; color:var(--ink-text); }
.type-card__title{ margin-bottom:10px; }
.type-card__desc{ color:var(--steel-2); font-size:.92rem; line-height:1.55; flex:1; }
.type-card__link{
  margin-top:20px;
  font-family:var(--f-mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase;
  display:flex; align-items:center; gap:8px; color:var(--ink-text);
}
.type-card__link svg{ width:12px; height:12px; transition:transform .35s var(--ease); }
.type-card:hover .type-card__link svg{ transform:translateX(4px); }
.type-card:hover .type-card__link{ color:var(--brass-dim); }

/* ==========================================================================
   Process
   ========================================================================== */
.process-list{ display:flex; flex-direction:column; }
.process-item{
  display:grid;
  grid-template-columns:120px 1fr 1.1fr;
  gap:40px;
  padding-block:36px;
  border-top:1px solid var(--line-dark);
  align-items:start;
}
.process-item:last-child{ border-bottom:1px solid var(--line-dark); }
.process-item__num{
  font-family:var(--f-mono); color:var(--brass);
  font-size:.82rem; letter-spacing:.05em; padding-top:6px;
}
.process-item__title{ padding-top:0; }
.process-item__desc{ color:var(--steel); max-width:520px; }
.process-item__meta{
  font-family:var(--f-mono); font-size:.7rem; color:var(--steel);
  margin-top:14px; letter-spacing:.04em; text-transform:uppercase;
}

/* ==========================================================================
   Portfolio
   ========================================================================== */
.folio-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
}
.folio-card{
  position:relative;
  background:var(--ink);
  aspect-ratio:4/3.1;
  overflow:hidden;
  color:var(--paper-text);
  padding:22px;
  display:flex; flex-direction:column; justify-content:space-between;
}
.folio-card__plan{

  position:absolute; inset:0;
  opacity:.9;
  transition:transform .8s var(--ease-soft), opacity .5s;
}
.folio-card__plan img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.folio-card__scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(18,19,22,.05) 0%, rgba(18,19,22,.86) 100%);
}
.folio-card__top{ position:relative; z-index:1; display:flex; justify-content:space-between; }
.folio-card__tag{
  font-family:var(--f-mono); font-size:.66rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--brass-light); border:1px solid rgba(228,192,140,.35); padding:5px 10px; border-radius:100px;
}
.folio-card__area{ font-family:var(--f-mono); font-size:.7rem; color:white; }
.folio-card__bottom{ position:relative; z-index:1; }
.folio-card__bottom h3{ margin-bottom:6px; }
.folio-card__bottom p{ color:var(--steel); font-size:.86rem; }
.folio-card:hover .folio-card__plan{ transform:scale(1.06); }

.filter-bar{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:40px; }
.filter-chip{
  font-family:var(--f-mono); font-size:.72rem; letter-spacing:.05em; text-transform:uppercase;
  padding:10px 16px; border:1px solid var(--line-light); color:var(--steel-2);
  border-radius:100px; transition:.3s var(--ease-soft);
}
.filter-chip.is-active,.filter-chip:hover{ background:var(--ink); color:var(--paper-text); border-color:var(--ink); }

/* ==========================================================================
   Compare slider (before / after)
   ========================================================================== */
.compare{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  border:1px solid var(--line-dark);
  background:var(--ink-2);
  user-select:none;
}
.compare__layer{ position:absolute; inset:0; }
.compare__layer svg{ width:100%; height:70%; }
.compare__after{ clip-path:inset(0 0 0 50%); }
.compare__handle{
  position:absolute; top:0; bottom:0; left:50%;
  width:1px; background:var(--brass);
  transform:translateX(-.5px);
  pointer-events:none;
}
.compare__grip{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:44px; height:44px; border-radius:50%;
  background:var(--brass); color:var(--ink);
  display:flex; align-items:center; justify-content:center;
  pointer-events:none;
}
.compare__grip svg{ width:18px; height:18px; }
.compare__range{
  position:absolute; inset:0; width:100%; height:100%;
  opacity:0; cursor:ew-resize; margin:0;
  -webkit-appearance:none; appearance:none;
}
.compare__label{
  position:absolute; bottom:16px; font-family:var(--f-mono); font-size:.68rem;
  letter-spacing:.08em; text-transform:uppercase; color:var(--paper-text);
  background:rgba(18,19,22,.55); padding:6px 10px; backdrop-filter:blur(6px);
}
.compare__label--before{ left:16px; }
.compare__label--after{ right:16px; }

/* ==========================================================================
   Testimonials
   ========================================================================== */
.testi{ position:relative; }
.testi__track{ display:flex; transition:transform .7s var(--ease); }
.testi__slide{ flex:0 0 100%; }
.testi__quote{
  font-family:var(--f-display); font-weight:600;
  font-size:clamp(1.3rem,2.2vw,1.9rem);
  line-height:1.4; letter-spacing:-.01em;
  max-width:820px;
}
.testi__by{
  margin-top:28px; display:flex; align-items:center; gap:14px;
  font-family:var(--f-mono); font-size:.78rem; color:var(--steel);
}
.testi__by strong{ color:var(--paper-text); font-family:var(--f-body); font-weight:600; display:block; font-size:.92rem; }
.testi__nav{ display:flex; gap:10px; margin-top:44px; }
.testi__nav button{
  width:44px; height:44px; border:1px solid var(--line-dark); display:flex; align-items:center; justify-content:center;
  transition:.3s var(--ease-soft);
}
.testi__nav button:hover{ border-color:var(--brass); color:var(--brass-light); }
.testi__nav svg{ width:16px; height:16px; }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band{
  background:var(--ink);
  color:var(--paper-text);
  border-radius:var(--radius);
  padding:clamp(40px,6vw,72px);
  display:grid;
  grid-template-columns:1.3fr .9fr;
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:'';
  position:absolute; right:-10%; top:-40%;
  width:520px; height:520px;
  background:radial-gradient(circle, rgba(192,138,68,.16), transparent 65%);
}
.cta-band form{ display:flex; flex-direction:column; gap:12px; position:relative; }

/* ==========================================================================
   Forms
   ========================================================================== */
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-family:var(--f-mono); font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color:var(--steel); }
.on-paper .field label{ color:var(--steel-2); }
.field input, .field textarea, .field select{
  background:transparent;
  border:1px solid var(--line-dark);
  color:var(--paper-text);
  padding:14px 16px;
  border-radius:var(--radius);
  transition:border-color .3s var(--ease-soft), background .3s;
  width:100%;
}
.on-paper .field input, .on-paper .field textarea, .on-paper .field select{
  border-color:var(--line-light); color:var(--ink-text);
}
.field input:focus, .field textarea:focus, .field select:focus{ border-color:var(--brass); outline:none; }
.field textarea{ resize:vertical; min-height:110px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.consent{ display:flex; gap:10px; align-items:flex-start; font-size:.78rem; color:var(--steel); }
.on-paper .consent{ color:var(--steel-2); }
.consent input{ margin-top:4px; }
.consent a{ text-decoration:underline; text-underline-offset:2px; }
.form-note{ font-family:var(--f-mono); font-size:.68rem; color:var(--steel); letter-spacing:.04em; }

.form-success{
  display:none; align-items:center; gap:14px;
  border:1px solid var(--ok); padding:18px 20px; border-radius:var(--radius);
  color:var(--ok); font-size:.92rem;
}
.form-success.is-visible{ display:flex; }
.form-success svg{ width:20px; height:20px; flex:none; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background:var(--ink); color:var(--paper-text); padding-top:clamp(56px,7vw,88px); }
.footer-top{
  display:grid;
  grid-template-columns:1.4fr repeat(4, .8fr);
  gap:32px;
  padding-bottom:56px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand p{ color:var(--steel); margin-top:16px; max-width:280px; font-size:.9rem; }
.footer-col h4{
  font-family:var(--f-mono); font-size:.7rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--steel); margin-bottom:18px;
}
.footer-col ul{ display:flex; flex-direction:column; gap:11px; }
.footer-col a{ font-size:.88rem; color:var(--paper-text); opacity:.82; transition:opacity .3s, color .3s; }
.footer-col a:hover{ opacity:1; color:var(--brass-light); }
.footer-social{ display:flex; gap:10px; margin-top:20px; }
.footer-social a{
  width:36px; height:36px; border:1px solid var(--line-dark); display:flex; align-items:center; justify-content:center;
  transition:.3s var(--ease-soft);
}
.footer-social a:hover{ border-color:var(--brass); color:var(--brass-light); }
.footer-social svg{ width:15px; height:15px; }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  padding-block:26px;
  font-family:var(--f-mono); font-size:.72rem; color:var(--steel);
}
.footer-bottom a{ color:var(--steel); text-decoration:underline; text-underline-offset:3px; }

/* ==========================================================================
   Page hero (inner pages)
   ========================================================================== */
.page-hero{
  background:var(--ink); color:var(--paper-text);
  padding-top:clamp(140px,16vw,190px);
  padding-bottom:clamp(56px,7vw,88px);
  position:relative; overflow:hidden;
}
.page-hero .hero-grid{ opacity:.5; }
.page-hero__inner{ max-width:var(--container-wide); margin-inline:auto; padding-inline:var(--gutter); position:relative; }
.breadcrumb{
  font-family:var(--f-mono); font-size:.72rem; color:var(--steel); letter-spacing:.05em;
  display:flex; gap:8px; margin-bottom:24px; text-transform:uppercase;
}
.breadcrumb a{ color:var(--steel); }
.breadcrumb a:hover{ color:var(--brass-light); }
.page-hero h1{ max-width:760px; }
.page-hero__lede{ max-width:600px; margin-top:20px; }

/* ==========================================================================
   Misc components
   ========================================================================== */
.stat-strip{
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-light); border-bottom:1px solid var(--line-light);
}
.stat-strip__item{ padding:28px 24px; border-left:1px solid var(--line-light); }
.stat-strip__item:first-child{ border-left:0; }
.stat-strip__num{ font-family:var(--f-display); font-weight:800; font-size:clamp(1.5rem,2.4vw,2.1rem); }
.stat-strip__label{ font-family:var(--f-mono); font-size:.68rem; color:var(--steel-2); text-transform:uppercase; letter-spacing:.05em; margin-top:8px; }

.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.two-col--rev{ direction:rtl; } .two-col--rev > *{ direction:ltr; }

.value-list{ display:flex; flex-direction:column; }
.value-item{ display:grid; grid-template-columns:60px 1fr; gap:20px; padding-block:26px; border-top:1px solid var(--line-light); }
.value-item:last-child{ border-bottom:1px solid var(--line-light); }
.value-item__num{ font-family:var(--f-mono); color:var(--brass-dim); font-size:.85rem; }

.timeline{ position:relative; padding-left:36px; }
.timeline::before{ content:''; position:absolute; left:5px; top:6px; bottom:6px; width:1px; background:var(--line-light); }
.timeline-item{ position:relative; padding-bottom:44px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:''; position:absolute; left:-36px; top:4px; width:11px; height:11px; border-radius:50%;
  background:var(--paper); border:2px solid var(--brass);
}
.timeline-item__year{ font-family:var(--f-mono); font-size:.78rem; color:var(--brass-dim); margin-bottom:8px; display:block; }

.team-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:2px; background:var(--line-light); border:1px solid var(--line-light); }
.team-card{ background:var(--paper); padding:26px; }
.team-card__photo{ aspect-ratio:1; margin-bottom:18px; }
.team-card__name{ font-weight:700; margin-bottom:4px; }
.team-card__role{ font-family:var(--f-mono); font-size:.72rem; color:var(--steel-2); text-transform:uppercase; letter-spacing:.04em; }

.badge-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:1px; background:var(--line-light); border:1px solid var(--line-light); }
.badge-tile{ background:var(--paper); aspect-ratio:1.15; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; padding:18px; text-align:center; }
.badge-tile svg{ max-height:38px; width:auto; color:var(--steel-2); opacity:.85; transition:.3s; }
.badge-tile:hover svg{ opacity:1; color:var(--brass-dim); }
.badge-tile span{ font-family:var(--f-mono); font-size:.66rem; letter-spacing:.03em; color:var(--steel-2); line-height:1.4; }

.team-card__mono{
  aspect-ratio:1; margin-bottom:18px; background:var(--ink); display:flex; align-items:center; justify-content:center;
  font-family:var(--f-display); font-weight:800; font-size:1.9rem; color:var(--brass-light); letter-spacing:-.02em;
}

.accordion-item{ border-top:1px solid var(--line-light); }
.accordion-item:last-child{ border-bottom:1px solid var(--line-light); }
.accordion-item__q{
  display:flex; justify-content:space-between; align-items:center; gap:20px;
  width:100%; text-align:left; padding-block:24px;
}
.accordion-item__q h3{ font-size:1.05rem; }
.accordion-item__icon{ width:20px; height:20px; flex:none; position:relative; }
.accordion-item__icon::before,.accordion-item__icon::after{
  content:''; position:absolute; background:var(--ink-text); top:50%; left:50%; transform:translate(-50%,-50%);
}
.accordion-item__icon::before{ width:14px; height:1px; }
.accordion-item__icon::after{ width:1px; height:14px; transition:transform .35s var(--ease); }
.accordion-item.is-open .accordion-item__icon::after{ transform:translate(-50%,-50%) rotate(90deg) scaleY(0); }
.accordion-item__a{ max-height:0; overflow:hidden; transition:max-height .45s var(--ease-soft); }
.accordion-item__a p{ padding-bottom:24px; color:var(--steel-2); max-width:680px; }

.logo-wall{ display:grid; grid-template-columns:repeat(6,1fr); gap:1px; background:var(--line-dark); border:1px solid var(--line-dark); }
.logo-wall__item{ background:var(--ink); aspect-ratio:2; display:flex; align-items:center; justify-content:center; padding:20px; font-family:var(--f-mono); font-size:.72rem; color:var(--steel); letter-spacing:.04em; text-align:center; }

/* reveal on scroll */
[data-reveal]{ opacity:0; transform:translateY(28px); transition:opacity .9s var(--ease-soft), transform .9s var(--ease-soft); }
[data-reveal].is-visible{ opacity:1; transform:none; }
[data-reveal-stagger] > *{ opacity:0; transform:translateY(20px); transition:opacity .7s var(--ease-soft), transform .7s var(--ease-soft); }
[data-reveal-stagger].is-visible > *{ opacity:1; transform:none; }
[data-reveal-stagger].is-visible > *:nth-child(1){ transition-delay:.05s; }
[data-reveal-stagger].is-visible > *:nth-child(2){ transition-delay:.12s; }
[data-reveal-stagger].is-visible > *:nth-child(3){ transition-delay:.19s; }
[data-reveal-stagger].is-visible > *:nth-child(4){ transition-delay:.26s; }
[data-reveal-stagger].is-visible > *:nth-child(5){ transition-delay:.33s; }
[data-reveal-stagger].is-visible > *:nth-child(6){ transition-delay:.4s; }

/* blueprint draw animation */
.draw-path{
  stroke-dasharray:2200;
  stroke-dashoffset:2200;
  animation:draw 2.6s var(--ease) forwards;
}
@keyframes draw{ to{ stroke-dashoffset:0; } }

/* back to top */
.to-top{
  position:fixed; right:24px; bottom:24px; z-index:90;
  width:46px; height:46px; border-radius:50%;
  background:var(--ink); color:var(--paper-text);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transform:translateY(10px);
  transition:opacity .35s var(--ease-soft), transform .35s var(--ease-soft);
  border:1px solid var(--line-dark);
}
.to-top.is-visible{ opacity:1; pointer-events:auto; transform:none; }
.to-top svg{ width:16px; height:16px; }

/* mobile nav panel */
.mobile-nav{
  position:fixed; inset:0; z-index:99;
  background:var(--ink); color:var(--paper-text);
  padding:110px 28px 40px;
  display:flex; flex-direction:column; justify-content:space-between;
  transform:translateX(100%);
  transition:transform .5s var(--ease);
}
.mobile-nav.is-open{ transform:translateX(0); }
.mobile-nav a{ font-family:var(--f-display); font-weight:700; font-size:1.30rem; display:block; padding-block:12px; border-bottom:1px solid var(--line-dark); }
.mobile-nav__bottom{ display:flex; flex-direction:column; gap:20px; }
.mobile-nav__bottom svg{ display:flex; flex-direction:column; gap:20px; }
.mobile-nav__foot{ font-family:var(--f-mono); font-size:.82rem; color:var(--steel); }
.mobile-nav__foot a{ font-family:var(--f-mono); font-size:1rem; border:0; padding:0; color:var(--brass-light); }

/* ==========================================================================
   Service detail sections
   ========================================================================== */
.spec-tile{
  position:relative;
  background:var(--ink);
  aspect-ratio:4/3.4;
  overflow:hidden;
  border-radius:var(--radius);
}
.spec-tile svg{ width:100%; height:100%; }
.spec-tile__tag{
  position:absolute; top:18px; left:18px;
  font-family:var(--f-mono); font-size:.68rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--brass-light); border:1px solid rgba(228,192,140,.3); padding:5px 10px; border-radius:100px;
  z-index:2;
}

.check-list{ display:flex; flex-direction:column; gap:14px; margin:28px 0; }
.check-list li{ display:flex; align-items:flex-start; gap:12px; font-size:.95rem; color:var(--ink-text); }
.on-dark .check-list li{ color:var(--paper-text); }
.check-list li svg{ width:16px; height:16px; flex:none; margin-top:3px; color:var(--brass); }

.mini-stats{ display:flex; gap:32px; flex-wrap:wrap; margin-top:8px; padding-top:24px; border-top:1px solid var(--line-light); }
.on-dark .mini-stats{ border-top-color:var(--line-dark); }
.mini-stats__num{ font-family:var(--f-display); font-weight:800; font-size:1.3rem; }
.mini-stats__label{ font-family:var(--f-mono); font-size:.66rem; color:var(--steel-2); text-transform:uppercase; letter-spacing:.04em; margin-top:4px; max-width:140px; }
.on-dark .mini-stats__label{ color:var(--steel); }

.service-block{ padding-block: clamp(48px,6vw,84px); border-top:1px solid var(--line-light); }
.service-block:first-of-type{ border-top:0; }

.type-grid--4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:1080px){ .type-grid--4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:680px){ .type-grid--4{ grid-template-columns:1fr; } }

.price-table{ width:100%; border-collapse:collapse; }
.price-table th, .price-table td{ text-align:left; padding:18px 20px; border-bottom:1px solid var(--line-light); vertical-align:top; }
.price-table thead th{
  font-family:var(--f-mono); font-size:.68rem; letter-spacing:.06em; text-transform:uppercase; color:var(--steel-2);
  border-bottom:1px solid var(--ink-text); padding-bottom:16px;
}
.price-table thead th:first-child{ color:transparent; }
.price-table td:first-child{ color:var(--steel-2); font-size:.9rem; max-width:220px; }
.price-table td:not(:first-child){ text-align:center; }
.price-table tbody tr:last-child td{ border-bottom:0; }
.price-table .pt-featured{ background:var(--paper-2); }
.price-table .pt-check{ color:var(--brass-dim); width:18px; height:18px; display:inline-block; }
.price-table .pt-dash{ color:var(--line-light); }
.price-table__head{ font-family:var(--f-display); font-weight:700; font-size:1.05rem; }
.price-table__price{ font-family:var(--f-mono); font-size:.78rem; color:var(--steel-2); margin-top:4px; }
.table-scroll{ overflow-x:auto; }

/* ==========================================================================
   Gantt (график производства работ)
   ========================================================================== */
.gantt{ border:1px solid var(--line-light); border-radius:var(--radius); overflow:hidden; }
.gantt-head, .gantt-row{ display:grid; grid-template-columns:220px repeat(8,1fr); }
.gantt-head{ border-bottom:1px solid var(--line-light); background:var(--paper-2); }
.gantt-head span{
  font-family:var(--f-mono); font-size:.66rem; letter-spacing:.04em; text-transform:uppercase;
  color:var(--steel-2); text-align:center; padding:12px 4px; grid-column:span 1;
}
.gantt-head span:first-child{ text-align:left; padding-left:20px; }
.gantt-row{ border-bottom:1px solid var(--line-light); min-height:56px; align-items:center; position:relative; }
.gantt-row:last-child{ border-bottom:0; }
.gantt-row__label{ grid-column:1/2; padding:10px 16px 10px 20px; font-size:.88rem; font-weight:500; }
.gantt-bar{
  height:14px; border-radius:8px; background:var(--brass); align-self:center;
  margin-inline:3px; position:relative;
  animation: growbar 1s var(--ease-soft) both;
  animation-play-state:paused;
}
.gantt.is-visible .gantt-bar{ animation-play-state:running; }
@keyframes growbar{ from{ transform:scaleX(0); } to{ transform:scaleX(1); } }
.gantt-bar{ transform-origin:left center; }

@media (max-width:780px){
  .gantt--scroll{ min-width:640px; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px){
  .nav{ display:none; }
  .header__phone{ display:none; }
  .header__actions .btn-primary{ display:none; }
  .nav-toggle{ display:flex; }
  .hero__inner{ grid-template-columns:1fr; }
  .hero__art{ display:none; }
  .spec-row{ grid-template-columns:repeat(2,1fr); row-gap:24px; }
  .spec-row__item:nth-child(3){ border-left:0; padding-left:0; }
  .type-grid{ grid-template-columns:repeat(2,1fr); }
  .folio-grid{ grid-template-columns:repeat(2,1fr); }
  .process-item{ grid-template-columns:1fr; gap:10px; }
  .cta-band{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr 1fr; }
  .two-col{ grid-template-columns:1fr; gap:36px; }
  .two-col--rev{ direction:ltr; }
  .stat-strip{ grid-template-columns:repeat(2,1fr); }
  .stat-strip__item:nth-child(3){ border-left:0; }
  .team-grid{ grid-template-columns:repeat(2,1fr); }
  .badge-grid{ grid-template-columns:repeat(3,1fr); }
  .logo-wall{ grid-template-columns:repeat(3,1fr); }
}
@media (max-width: 680px){
  .type-grid{ grid-template-columns:1fr; }
  .folio-grid{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; gap:36px; }
  .field-row{ grid-template-columns:1fr; }
  .stat-strip{ grid-template-columns:1fr 1fr; }
  .team-grid{ grid-template-columns:1fr 1fr; }
  .badge-grid{ grid-template-columns:repeat(2,1fr); }
  .logo-wall{ grid-template-columns:repeat(2,1fr); }
  .section-head{ align-items:flex-start; }
}
@media (max-width: 480px){
  .logo small{ display:none; }
  .logo{ font-size:.98rem; gap:8px; }
  .logo .mark{ width:190px; height:60px; }
  .header__actions{ gap:12px; }
  .site-header__inner{ gap:12px; }
  .hero__badges{ gap:8px; }
  .hero__badge{ font-size:.62rem; padding:6px 10px; }
}
.input-text {
  color: #f5f5f5;
}

.input-text::placeholder {
  color: #777;
  opacity: 1;
}

select.input-text {
  color: #777;
}

select.input-text:valid {
  color: #f5f5f5;
}

select.input-text option {
  color: #121316;
  background: #fff;
}

select.input-text option:disabled {
  color: #777;
}
/* ===== FORM TEXT COLORS ===== */

.cta-band .field input.input-text,
.cta-band .field select.input-text {
    color: #f5f5f5 !important;
    -webkit-text-fill-color: #f5f5f5 !important;
}

/* Placeholder для input */
.cta-band .field input.input-text::placeholder {
    color: #777 !important;
    opacity: 1 !important;
    -webkit-text-fill-color: #777 !important;
}

/* Select — изначальное значение */
.cta-band .field select.input-text {
    color: #777 !important;
}

/* Select после выбора */
.cta-band .field select.input-text:valid {
    color: #f5f5f5 !important;
}

/* Выпадающие варианты */
.cta-band .field select.input-text option {
    color: #121316 !important;
    background-color: #fff !important;
}


/* ==========================================================================
   Case photo — статичное фото кейса (замена compare-слайдера)
   ========================================================================== */
.case-photo{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  border:1px solid var(--line-dark);
  background:var(--ink-2);
}
.case-photo img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  display:block;
  transition:transform .8s var(--ease-soft);
}
.case-photo:hover img{ transform:scale(1.04); }
.case-photo__label{
  position:absolute;
  bottom:16px; left:16px;
  font-family:var(--f-mono);
  font-size:.68rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--paper-text);
  background:rgba(18,19,22,.55);
  padding:6px 10px;
  backdrop-filter:blur(6px);
}