/* ==========================================================================
   Деколит — студия декоративных поверхностей
   Арт-дирекшн «галерея фактур»: тёплый известковый минимализм,
   Prata (дисплейная антиква, кириллица) + Golos Text,
   SVG-фактуры материалов (assets/img/tex/), тёмный драматичный hero.
   ШАБЛОН — контент и фактуры демонстрационные.
   ========================================================================== */

:root{
  --bg:#F2EEE7;        /* известковый офф-вайт */
  --bg-2:#EAE4D9;
  --paper:#FAF7F1;
  --ink:#191613;       /* почти-чёрный, тёплый */
  --ink-soft:#211d18;
  --graphite:#3C3830;
  --taupe:#A2937F;
  --sand:#C9AE83;
  --accent:#9C6B45;    /* бронза / терракот */
  --accent-deep:#7E5234;
  --line:rgba(25,22,19,.13);
  --line-strong:rgba(25,22,19,.4);
  --maxw:1320px;
  --serif:"Prata",Georgia,"Times New Roman",serif;
  --sans:"Golos Text",system-ui,-apple-system,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.65;font-weight:400;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  text-rendering:optimizeLegibility;
  font-feature-settings:"kern" 1,"liga" 1,"calt" 1;
}
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---------- фактуры: SVG-материалы ---------- */
.grain{position:relative}
.grain::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:url("../assets/img/grain.svg");
  background-size:180px 180px;
  opacity:.14;mix-blend-mode:soft-light;
}
.tex{position:relative;overflow:hidden;isolation:isolate}
.tex::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background-size:cover;background-position:center;
}
.tex-microcement::before{background-image:url("../assets/img/photo/microcement.jpg")}
.tex-venetian::before{background-image:url("../assets/img/photo/venetian.jpg")}
.tex-concrete::before{background-image:url("../assets/img/photo/concrete.jpg")}
.tex-silk::before{background-image:url("../assets/img/materials/silk-plaster.jpg");background-position:center}
.tex-suede::before{background-image:url("../assets/img/materials/ancoral.jpg");background-position:center 38%}
.tex-texture::before{background-image:url("../assets/img/photo/travertine.jpg")}
.tex-hero::before{background-image:url("../assets/img/photo/hero-v2.png");background-position:center}
/* единый тёплый колор-грейдинг для фактур-фото — убираем синеву, держим премиум-тон */
.tex::before{filter:sepia(.14) saturate(.86) brightness(.97) contrast(1.02)}
.tex.dark::before{filter:sepia(.18) saturate(.8) brightness(.6) contrast(1.04)}

/* реальные фото объектов в галерее (cover, тёплый грейд) */
.surface.photo{background-size:cover;background-position:center;background-repeat:no-repeat;filter:sepia(.12) saturate(.88) brightness(.99) contrast(1.02)}
.surface.photo::before{content:none}

/* ---------- каркас ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 36px}
.eyebrow{
  font-size:11.5px;font-weight:600;letter-spacing:.32em;text-transform:uppercase;
  color:var(--accent);display:inline-flex;align-items:center;gap:16px;
}
.eyebrow::before{content:"";width:40px;height:1px;background:currentColor;opacity:.55}
.eyebrow-light,.eyebrow-sand{color:var(--sand)}
.eyebrow-center{justify-content:center}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.12;letter-spacing:-.012em;text-wrap:balance}
.section{padding:152px 0;position:relative}
.section-alt{background:var(--bg-2)}
.samples-warm{
  background:
    linear-gradient(180deg,#F3EFE7 0%,#F0E9DA 32%,#E1D4BA 74%,#D6C7A9 100%) !important;
}
.section-head{max-width:760px;margin-bottom:92px;position:relative}
.section-head h2{font-size:clamp(38px,5.2vw,66px);margin:30px 0 0;line-height:1.08;letter-spacing:-.018em;text-wrap:balance}
.section-head h2 em{font-style:normal;color:var(--accent)}
.section-head .lead{margin-top:24px;max-width:580px;font-size:16.5px}
.section-head-center{text-align:center;margin:0 auto 78px}
.muted{color:var(--graphite)}

/* ---------- кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  font-family:var(--sans);font-size:13px;font-weight:600;cursor:pointer;
  letter-spacing:.14em;text-transform:uppercase;
  padding:18px 32px;border-radius:0;border:1px solid var(--ink);
  background:var(--ink);color:var(--bg);
  transition:background .3s,color .3s,border-color .3s;
  position:relative;white-space:nowrap;
}
.btn::after{content:"→";font-family:var(--sans);transition:transform .3s}
.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn:hover::after{transform:translateX(5px)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn-light{background:var(--bg);color:var(--ink);border-color:var(--bg)}
.btn-light:hover{background:var(--sand);border-color:var(--sand);color:var(--ink)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- шапка ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;padding:28px 0;
  transition:background .4s ease,box-shadow .4s ease,padding .4s ease;
}
header.scrolled{background:rgba(242,238,231,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:14px 0;box-shadow:0 1px 0 var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:32px}
.logo{font-family:var(--serif);font-size:21px;letter-spacing:.18em;font-weight:400}
.logo b{color:var(--accent);font-weight:400}
.hero-page header:not(.scrolled){color:#fff}
.hero-page header:not(.scrolled) .logo b{color:var(--sand)}
.hero-page header:not(.scrolled) .nav-links a{color:rgba(255,255,255,.85)}
.hero-page header:not(.scrolled) .nav-links a:hover{color:#fff}
.hero-page header:not(.scrolled) .phone{color:#fff}
.hero-page header:not(.scrolled) .btn{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.hero-page header:not(.scrolled) .btn:hover{background:#fff;color:var(--ink);border-color:#fff}
.hero-page header:not(.scrolled) .burger span{background:#fff}
.nav-links{display:flex;gap:36px;font-size:14px;font-weight:500;letter-spacing:.02em}
.nav-links a{position:relative;padding:4px 0;color:var(--graphite);transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:currentColor;transition:width .3s}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:26px}
.nav-right .btn{padding:13px 22px;font-size:12px}
.phone{font-weight:600;font-size:15px;white-space:nowrap;font-variant-numeric:tabular-nums}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:0;padding:6px}
.burger span{width:24px;height:2px;background:var(--ink);transition:.3s}

.mobile-nav{display:none;position:fixed;inset:0;z-index:99;background:var(--ink);color:var(--bg);flex-direction:column;justify-content:center;gap:10px;padding:44px;align-items:flex-start}
.mobile-nav a{font-family:var(--serif);font-size:34px;color:var(--bg);line-height:1.3}
.mobile-nav a.btn{font-family:var(--sans);font-size:13px;background:var(--sand);border-color:var(--sand);color:var(--ink);margin-top:28px}
.mobile-nav .x{position:absolute;top:28px;right:28px;font-size:32px;background:none;border:0;cursor:pointer;color:var(--bg)}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:flex;align-items:flex-end;position:relative;padding-top:132px;padding-bottom:84px;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg::before{animation:kenburns 22s ease-in-out infinite alternate}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.09)}}
.hero-bg::after{content:"";position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(8,6,4,.76) 0%,rgba(8,6,4,.48) 34%,rgba(8,6,4,.18) 68%,rgba(8,6,4,.36) 100%),
  linear-gradient(180deg,rgba(10,8,6,.30) 0%,transparent 32%,rgba(8,6,4,.62) 100%)}
.hero-inner{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 36px;position:relative}
.hero .eyebrow{margin-top:20px}
.hero h1{font-size:clamp(44px,8vw,108px);line-height:1.04;text-shadow:0 4px 60px rgba(0,0,0,.45);margin-top:24px;max-width:14ch}
.hero h1 em{font-style:normal;color:var(--sand);position:relative;white-space:nowrap}
.hero h1 em::after{content:"";position:absolute;left:2%;right:2%;bottom:.06em;height:1px;background:var(--sand);opacity:.65}
.hero-sub{max-width:540px;margin:32px 0 44px;font-size:clamp(16px,1.8vw,19px);color:rgba(255,255,255,.85);line-height:1.6;font-weight:400}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.hero-meta{display:flex;gap:0;margin-top:64px;flex-wrap:wrap;position:relative}
.hero-meta::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:rgba(255,255,255,.18);transform:scaleX(0);transform-origin:left;transition:transform 1.1s cubic-bezier(.2,.6,.2,1)}
.hero-meta.counter-group-in::before{transform:scaleX(1)}
.hero-meta>div{padding:26px 56px 0 0;margin-right:56px}
.hero-meta .n{font-family:var(--serif);font-size:clamp(26px,3vw,38px);line-height:1;color:var(--sand);font-variant-numeric:tabular-nums}
.hero-meta .l{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-top:10px}
.scrollcue{position:absolute;right:40px;bottom:36px;font-size:10px;letter-spacing:.34em;text-transform:uppercase;color:rgba(255,255,255,.55);writing-mode:vertical-rl;display:flex;align-items:center;gap:14px}
.scrollcue::after{content:"";width:1px;height:54px;background:linear-gradient(180deg,rgba(255,255,255,.6),transparent);animation:cue 2.2s ease-in-out infinite}
@keyframes cue{0%,100%{transform:scaleY(.4);transform-origin:top;opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ---------- тикер материалов ---------- */
.ticker{overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg);padding:22px 0;position:relative}
.ticker-track{display:flex;align-items:baseline;gap:48px;width:max-content;animation:ticker 38s linear infinite;will-change:transform}
.ticker span{font-family:var(--serif);font-size:19px;color:var(--graphite);white-space:nowrap}
.ticker i{font-style:normal;color:var(--accent);font-size:13px}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- галерея работ ---------- */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.work{position:relative;overflow:hidden;min-height:300px;cursor:pointer}
.work::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(16,13,10,.78));z-index:1;transition:opacity .4s}
.work .surface{position:absolute;inset:0;transition:transform .9s cubic-bezier(.2,.6,.2,1)}
.work:hover .surface{transform:scale(1.05)}
.work .cap{position:absolute;left:0;bottom:0;z-index:2;padding:28px;color:#fff;width:100%;transform:translateY(6px);transition:transform .45s cubic-bezier(.2,.6,.2,1)}
.work:hover .cap{transform:translateY(0)}
.work .cap .t{font-family:var(--serif);font-size:21px;margin-bottom:8px;line-height:1.3}
.work .cap .m{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.72);display:flex;gap:16px;flex-wrap:wrap}
.work.lg{grid-column:span 8;min-height:480px}
.work.md{grid-column:span 4;min-height:480px}
.work.sm{grid-column:span 4}
.work.w6{grid-column:span 6;min-height:340px}
.works-cta{margin-top:48px;display:flex;justify-content:center}
.works-cta .btn{cursor:pointer}
.sample-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sample-card{background:var(--paper);border:1px solid var(--line);overflow:hidden}
.sample-card .surface{height:360px;background-size:cover;background-position:center;transition:transform .9s cubic-bezier(.2,.6,.2,1)}
.sample-card:hover .surface{transform:scale(1.04)}
.sample-card .sample-cap{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 20px;border-top:1px solid var(--line)}
.sample-card .sample-title{font-family:var(--serif);font-size:20px;line-height:1.2;color:var(--ink)}
.sample-card .sample-note{font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--taupe);white-space:nowrap}

/* ---------- материалы (экспонаты) ---------- */
.materials{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mat{background:var(--paper);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;transition:transform .45s cubic-bezier(.2,.6,.2,1),box-shadow .45s}
.mat:hover{transform:translateY(-8px);box-shadow:0 32px 64px -32px rgba(25,22,19,.45)}
.mat .swatch{height:260px;position:relative}
.mat .swatch::after{content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.35);pointer-events:none;z-index:2}
.mat .swatch .surface{position:absolute;inset:0;transition:transform .9s cubic-bezier(.2,.6,.2,1)}
.mat:hover .swatch .surface{transform:scale(1.06)}
.mat .body{padding:30px 30px 34px;display:flex;flex-direction:column;gap:15px;flex:1}
.mat .top{display:flex;justify-content:space-between;align-items:baseline;gap:14px}
.mat h3{font-size:25px;line-height:1.2;min-width:0}
.mat .price{font-family:var(--serif);font-size:23px;color:var(--accent);white-space:nowrap;text-align:right;line-height:1;letter-spacing:-.01em;font-variant-numeric:tabular-nums;flex:0 0 auto}
.mat .price-detail{font-size:10px;font-weight:600;letter-spacing:.12em;line-height:1.35;text-transform:uppercase;color:var(--taupe);border-top:1px solid var(--line);padding-top:12px}
.mat .desc{font-size:14.5px;color:var(--graphite);line-height:1.6}
.mat .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:8px}
.mat .tag{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--taupe);border:1px solid var(--line);padding:6px 11px}
.mat .more{font-size:12.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);display:inline-flex;gap:10px;align-items:center;margin-top:4px}
.mat .more span{transition:transform .25s;color:var(--accent)}
.mat:hover .more span{transform:translateX(6px)}

/* ---------- манифест ---------- */
.statement{position:relative;padding:160px 0;color:#fff;overflow:hidden;background:var(--ink)}
.statement .statement-bg{position:absolute;inset:0;opacity:.5}
.statement .statement-bg::after{content:"";position:absolute;inset:0;background:radial-gradient(90% 90% at 25% 15%,rgba(236,202,148,.16),transparent 55%),linear-gradient(180deg,rgba(10,8,6,.6),rgba(10,8,6,.78))}
.statement .wrap{position:relative}
.statement p{font-family:var(--serif);font-size:clamp(29px,4.4vw,56px);line-height:1.28;max-width:21ch;text-wrap:balance;hanging-punctuation:first last;letter-spacing:-.012em}
.statement em{font-style:normal;color:var(--sand)}
.statement .sig{margin-top:44px;font-family:var(--sans);font-size:12px;letter-spacing:.26em;text-transform:uppercase;color:rgba(255,255,255,.5);display:flex;align-items:center;gap:16px}
.statement .sig::before{content:"";width:44px;height:1px;background:var(--sand);opacity:.7}

/* ---------- калькулятор ---------- */
.calc{background:var(--ink-soft);color:#fff;display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden}
.calc .left{padding:72px 64px}
.calc h2{color:#fff;font-size:clamp(30px,3.4vw,44px);margin:22px 0 16px}
.calc p{color:rgba(255,255,255,.66);max-width:430px;margin-bottom:40px}
.field{margin-bottom:28px}
.field label{display:block;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:14px}
.opts{display:flex;gap:10px;flex-wrap:wrap}
.opt{font-size:13px;font-weight:500;letter-spacing:.04em;padding:12px 19px;border:1px solid rgba(255,255,255,.2);cursor:pointer;transition:.25s;color:rgba(255,255,255,.82);background:transparent;font-family:var(--sans)}
.opt:hover{border-color:rgba(255,255,255,.7)}
.opt.active{background:var(--sand);border-color:var(--sand);color:var(--ink)}
.range-row{display:flex;align-items:center;gap:24px}
input[type=range]{-webkit-appearance:none;appearance:none;height:2px;background:rgba(255,255,255,.22);border-radius:2px;flex:1;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--sand);cursor:pointer;border:4px solid var(--ink-soft);box-shadow:0 0 0 1px var(--sand)}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--sand);cursor:pointer;border:4px solid var(--ink-soft);box-shadow:0 0 0 1px var(--sand)}
.area-val{font-family:var(--serif);font-size:32px;min-width:130px;color:var(--sand)}
.area-val small{font-size:15px;font-family:var(--sans);color:rgba(255,255,255,.55)}
.calc .right{background:#0f0d0a;padding:72px 64px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.calc .calc-tex{position:absolute;inset:0;opacity:.85}
.calc .calc-tex::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,6,4,.42),rgba(8,6,4,.72))}
.result-label{font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.55);position:relative}
.result{font-family:var(--serif);font-size:clamp(25px,3vw,38px);line-height:1.15;margin:16px 0 6px;position:relative;font-variant-numeric:tabular-nums}
.result-note{font-size:13.5px;color:rgba(255,255,255,.5);margin-bottom:36px;position:relative}
.calc .right .btn{position:relative;align-self:flex-start}

/* ---------- доверие / счётчики ---------- */
.trust-section{padding:0}
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust > div{padding:64px 28px;text-align:center;border-right:1px solid var(--line)}
.trust > div:last-child{border-right:0}
.trust .n{font-family:var(--serif);font-size:clamp(31px,3.2vw,44px);line-height:1;color:#6F432A;font-variant-numeric:tabular-nums}
.trust .l{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--graphite);margin-top:16px}
.counter-item{opacity:0;transform:translateY(18px);transition:opacity .72s ease,transform .72s cubic-bezier(.2,.6,.2,1)}
.counter-item.counter-in{opacity:1;transform:none}
.counter-item .n{transition:text-shadow .6s ease,color .6s ease}
.counter-item.counter-in .n{text-shadow:0 0 22px rgba(201,174,131,.18)}

/* ---------- процесс ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.step{position:relative;padding-top:40px;border-top:1px solid var(--line-strong)}
.step .no{position:absolute;top:14px;left:0;font-family:var(--serif);font-size:18px;color:var(--accent-deep);font-variant-numeric:tabular-nums}
.step h3{font-size:22px;margin:14px 0 12px}
.step p{font-size:14.5px;color:var(--graphite)}

/* ---------- отзывы ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:var(--paper);border:1px solid var(--line);padding:40px 34px;display:flex;flex-direction:column;gap:24px;position:relative}
.review::before{content:"«";position:absolute;top:18px;right:28px;font-family:var(--serif);font-size:74px;line-height:1;color:var(--bg-2);pointer-events:none}
.stars{color:var(--accent);letter-spacing:4px;font-size:14px}
.review p{font-size:15.5px;line-height:1.65;color:var(--graphite);flex:1;position:relative}
.review .who{display:flex;align-items:center;gap:14px}
.review .av{width:46px;height:46px;border-radius:50%;flex-shrink:0}
.review .who .nm{font-weight:600;font-size:15px;color:var(--ink)}
.review .who .rl{font-size:13px;color:var(--taupe)}

/* ---------- дизайнерам (B2B) ---------- */
.b2b{position:relative;overflow:hidden;color:#fff;padding:96px 76px;display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center}
.b2b .tex{position:absolute;inset:0;z-index:-1}
.b2b::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,rgba(14,11,9,.84),rgba(14,11,9,.42))}
.b2b h2{color:#fff;font-size:clamp(30px,3.8vw,48px);margin:20px 0 24px}
.b2b p{color:rgba(255,255,255,.78);max-width:460px;margin-bottom:36px}
.b2b ul{list-style:none;display:grid;gap:16px}
.b2b li{display:flex;gap:16px;font-size:15.5px;color:rgba(255,255,255,.88);line-height:1.5}
.b2b li::before{content:"—";color:var(--sand);flex-shrink:0}

/* ---------- faq ---------- */
.faq{max-width:880px;margin:0 auto}
.q{border-bottom:1px solid var(--line)}
.q button{width:100%;text-align:left;background:none;border:0;cursor:pointer;padding:30px 0;display:flex;justify-content:space-between;gap:24px;align-items:center;font-family:var(--serif);font-size:clamp(19px,2.2vw,24px);color:var(--ink);line-height:1.35}
.q .ic{flex-shrink:0;width:30px;height:30px;position:relative;transition:transform .35s}
.q .ic::before,.q .ic::after{content:"";position:absolute;background:var(--accent);top:50%;left:50%;transform:translate(-50%,-50%)}
.q .ic::before{width:16px;height:1.5px}
.q .ic::after{width:1.5px;height:16px;transition:transform .35s}
.q.open .ic::after{transform:translate(-50%,-50%) scaleY(0)}
.q .a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.q .a p{padding:0 0 30px;color:var(--graphite);font-size:16px;max-width:700px}

/* ---------- финальный CTA ---------- */
.final{position:relative;overflow:hidden;padding:100px 64px;color:#fff;text-align:center}
.final .tex{position:absolute;inset:0;z-index:-1}
.final::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(80% 80% at 50% 0%,rgba(236,202,148,.12),transparent 55%),linear-gradient(180deg,rgba(12,10,8,.72),rgba(12,10,8,.86))}
.final .eyebrow{justify-content:center}
.final h2{color:#fff;font-size:clamp(30px,4.4vw,54px);max-width:820px;margin:22px auto;text-wrap:balance}
.final p{color:rgba(255,255,255,.78);max-width:540px;margin:0 auto 44px}
.form{max-width:600px;margin:0 auto;display:flex;gap:12px;flex-wrap:wrap}
.form input{flex:1;min-width:210px;padding:18px 22px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.06);color:#fff;border-radius:0;font-family:var(--sans);font-size:15px;outline:none;transition:border-color .25s,background .25s}
.form input::placeholder{color:rgba(255,255,255,.55)}
.form input:focus{border-color:var(--sand);background:rgba(255,255,255,.1)}
.form .btn{flex-shrink:0}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:20px;transition:color .3s}

/* состояния формы заявки (loading/success/error) */
.form[data-state="loading"] .btn{opacity:.7;cursor:wait}
.form[data-state="success"] .btn{background:var(--sand);border-color:var(--sand);opacity:.9}
.form[data-state="error"] input{border-color:#d98a8a}
.form-note:has(+ .form[data-state]),  /* запас, если note идёт перед формой */
.form[data-state="error"] ~ .form-note{color:#e6a8a8}
.form[data-state="success"] ~ .form-note{color:var(--sand)}

/* ---------- подвал ---------- */
footer{background:var(--ink);color:rgba(255,255,255,.68);padding:88px 0 0;position:relative;overflow:hidden}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;position:relative}
.foot .logo{color:#fff;margin-bottom:20px;display:inline-block}
.foot p{font-size:14.5px;line-height:1.7;max-width:280px}
.foot h4{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--sand);margin-bottom:22px;font-family:var(--sans);font-weight:600}
.foot a{display:block;font-size:14.5px;color:rgba(255,255,255,.66);padding:6px 0;transition:color .2s}
.foot a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:64px;padding:30px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.4);position:relative}
.foot-mark{font-family:var(--serif);font-size:clamp(80px,16vw,230px);line-height:.8;color:rgba(255,255,255,.045);letter-spacing:.04em;white-space:nowrap;text-align:center;margin-top:50px;pointer-events:none;user-select:none}

/* ---------- reveal при скролле ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}
[data-d="1"]{transition-delay:.1s}
[data-d="2"]{transition-delay:.2s}
[data-d="3"]{transition-delay:.3s}
[data-d="4"]{transition-delay:.4s}

/* ---------- адаптив ---------- */
@media(max-width:1020px){
  .calc{grid-template-columns:1fr}
  .calc .left,.calc .right{padding:56px 44px}
  .b2b{grid-template-columns:1fr;padding:64px 44px}
  .materials,.reviews{grid-template-columns:repeat(2,1fr)}
  .sample-grid{grid-template-columns:repeat(2,1fr)}
  .trust{grid-template-columns:repeat(3,1fr)}
  .trust > div:nth-child(2){border-right:0}
  .trust > div:nth-child(1),.trust > div:nth-child(2){border-bottom:0}
  .steps{grid-template-columns:repeat(2,1fr);gap:44px}
  .work.lg,.work.md,.work.sm,.work.w6{grid-column:span 6;min-height:320px}
  .statement{padding:120px 0}
}
@media(max-width:680px){
  body{font-size:16px}
  .wrap{padding:0 22px}
  .hero h1{font-size:clamp(34px,10.5vw,44px)}
  .eyebrow{font-size:10px;letter-spacing:.16em}
  .eyebrow::before{width:22px}
  .section{padding:88px 0}
  .nav-links,.phone{display:none}
  .burger{display:flex}
  .nav-right .btn{display:none}
  .hero-inner{padding:0 22px}
  .hero{padding-top:100px;padding-bottom:64px}
  .hero-meta>div{padding:20px 28px 0 0;margin-right:28px}
  .scrollcue{display:none}
  .materials,.reviews,.gallery,.sample-grid,.steps,.foot{grid-template-columns:1fr}
  .sample-card .surface{height:300px}
  .work.lg,.work.md,.work.sm,.work.w6{grid-column:span 1;min-height:280px}
  .trust{grid-template-columns:1fr}
  .trust > div{border-right:0;border-bottom:1px solid var(--line);padding:44px 22px}
  .trust > div:last-child{border-bottom:0}
  .calc .left,.calc .right{padding:48px 28px}
  .b2b{padding:52px 28px}
  .final{padding:72px 26px}
  .statement{padding:96px 0}
  .mobile-nav.open{display:flex}
  .ticker span{font-size:16px}
  .btn{white-space:normal;text-align:center;padding:16px 24px}
  .works-cta .btn{width:100%}
  .mat .top{gap:12px}
  .mat .price{font-size:21px}
  .mat .price-detail{font-size:9px;letter-spacing:.08em}
}

/* ==========================================================================
   Фаза 5 — материальные детали и финиш.
   Глубина карточек, металлический отлив бронзы, разделители-засечки,
   состояния полей. Только tone/shadow/transform — структура не меняется.
   ========================================================================== */

/* металлический «отлив» бронзы (золото в середине градиента).
   Под @supports — без поддержки background-clip:text цвета остаются сплошными. */
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .metal,
  .mat .price,.step .no{
    background:var(--bronze-grad);
    background-size:140% 100%;
    -webkit-background-clip:text;background-clip:text;
    -webkit-text-fill-color:transparent;color:transparent;
  }
}
.step .no{
  background:none;
  -webkit-background-clip:initial;
  background-clip:initial;
  -webkit-text-fill-color:var(--accent-deep);
  color:var(--accent-deep);
  text-shadow:0 8px 24px rgba(126,82,52,.16);
}

/* глубина карточек: многослойная тень + верхняя световая грань */
.mat{box-shadow:0 1px 1px rgba(25,22,19,.05),0 18px 42px -30px rgba(25,22,19,.34),inset 0 1px 0 rgba(255,255,255,.7)}
.mat:hover{box-shadow:0 2px 4px rgba(25,22,19,.06),0 44px 74px -36px rgba(25,22,19,.52),inset 0 1px 0 rgba(255,255,255,.85)}
.review{box-shadow:0 1px 1px rgba(25,22,19,.04),0 18px 38px -32px rgba(25,22,19,.3),inset 0 1px 0 rgba(255,255,255,.6)}
.calc{box-shadow:0 50px 100px -54px rgba(0,0,0,.72),inset 0 1px 0 rgba(255,255,255,.06)}

/* разделитель-засечка: тонкая линия с центральным ◆ (фирменная деталь) */
.seam{display:flex;align-items:center;gap:18px;max-width:460px;margin:30px auto 0}
.seam::before,.seam::after{content:"";height:1px;flex:1}
.seam::before{background:linear-gradient(90deg,transparent,var(--line-strong))}
.seam::after{background:linear-gradient(90deg,var(--line-strong),transparent)}
.seam span{color:var(--accent);font-size:9px;line-height:1;transform:translateY(-.5px)}

/* процесс: бронзовая засечка-бусина на разделителе шага */
.step{position:relative}
.step::before{content:"◆";position:absolute;top:-7px;left:0;font-size:8px;line-height:1;color:var(--accent)}

/* состояния полей: подсветка фокуса бронзой, плавный пересчёт результата */
.form input:focus{border-color:var(--sand);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(201,174,131,.18)}
.opt:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 1px var(--sand),0 0 0 6px rgba(201,174,131,.25)}
.result{transition:opacity .25s ease,transform .25s cubic-bezier(.2,.6,.2,1)}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}