/* РАУМ — design system (derived from brand guide v1.1)
   Палитра 3 цвета · Unbounded + Inter · скругление 9px · премиальный минимализм */

:root{
  --ink:#111111;
  --wine:#A31C3C;
  --wine-d:#851531;
  --paper:#F5F5F5;
  --line:rgba(17,17,17,.12);
  --line-l:rgba(245,245,245,.16);
  --r:9px;            /* фирменное скругление */
  --r-lg:14px;
  --maxw:1180px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);color:var(--ink);
  font-family:'Inter',sans-serif;font-weight:400;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;            /* страховка от горизонтального скролла */
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
::selection{background:var(--wine);color:var(--paper);}
:focus-visible{outline:2px solid var(--wine);outline-offset:2px;}
.u-wine{color:var(--wine);}

/* фирменная фактура «рейки» для тёмных секций (мотив луверов) */
.slats{position:relative;}
.slats::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,transparent 0 88px,rgba(245,245,245,.05) 88px 89px);}
.slats>*{position:relative;z-index:1;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

/* ── logo ── */
.logo{display:inline-flex;align-items:center;gap:.7em;color:inherit;line-height:1;}
.logo-mark{width:.42em;height:1em;border:.07em solid currentColor;flex:none;}
.logo-word{font-family:'Manrope',sans-serif;font-weight:300;letter-spacing:.34em;padding-left:.06em;}

/* ── header ── */
.head{position:sticky;top:0;z-index:60;background:rgba(245,245,245,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.head-in{display:flex;align-items:center;gap:24px;padding:13px 28px;max-width:var(--maxw);margin:0 auto;}
.head .logo{font-size:18px;}
.head nav{display:flex;gap:22px;margin-left:8px;font-size:14px;}
.head nav a{opacity:.8;transition:opacity .2s;position:relative;padding-bottom:3px;}
.head nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--wine);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease);}
.head nav a:hover{opacity:1;}
.head nav a:hover::after{transform:scaleX(1);}
.head-right{margin-left:auto;display:flex;align-items:center;gap:16px;}
.city-pick{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:500;cursor:pointer;padding:7px 12px;border:1px solid var(--line);border-radius:var(--r);background:#fff;}
.city-pick svg{width:14px;height:14px;}
.head-phone{font-family:'Unbounded',sans-serif;font-weight:400;font-size:15px;letter-spacing:.01em;white-space:nowrap;}
.head-phone small{display:block;font-family:'Inter';font-weight:400;font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.5;}

/* ── buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r);
  font-family:'Inter',sans-serif;font-weight:500;font-size:14px;letter-spacing:.03em;cursor:pointer;
  transition:.2s var(--ease);border:1px solid transparent;padding:13px 26px;white-space:nowrap;}
.btn-w{background:var(--wine);color:var(--paper);}
.btn-w:hover{background:var(--wine-d);}
.btn-g{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-g:hover{background:var(--ink);color:var(--paper);}
.btn-light{background:var(--paper);color:var(--ink);}
.btn-light:hover{background:#fff;}
.btn-lg{padding:16px 34px;font-size:15px;}
.btn-block{width:100%;}

.pill{display:inline-block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:7px 15px;border-radius:30px;font-weight:500;}
.pill.d{background:var(--ink);color:var(--paper);}
.pill.w{background:var(--wine);color:var(--paper);}
.pill.o{background:transparent;border:1px solid var(--line);}

/* ── section primitives ── */
section{padding:100px 0;}
.sec-num{font-family:'Unbounded',sans-serif;font-weight:300;font-size:13px;letter-spacing:.12em;color:var(--wine);
  display:flex;align-items:center;gap:16px;}
.sec-num::after{content:"";height:1px;width:72px;background:var(--line);}
.studio .sec-num::after,.foot .sec-num::after{background:var(--line-l);}
.sec-title{font-family:'Unbounded',sans-serif;font-weight:400;font-size:clamp(26px,4.4vw,42px);line-height:1.08;letter-spacing:-.01em;margin:14px 0 8px;}
.sec-lead{font-size:16px;opacity:.7;max-width:580px;margin-bottom:48px;}
.eyebrow{font-family:'Inter';font-weight:500;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--wine);}
.hr{height:1px;background:var(--line);max-width:var(--maxw);margin:0 auto;}

/* ── hero ── */
.hero{background:var(--ink);color:var(--paper);padding:0;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,transparent 0 88px,rgba(245,245,245,.05) 88px 89px);}
.hero::after{content:"";position:absolute;right:max(28px,calc((100vw - var(--maxw))/2 + 28px));top:0;bottom:0;width:1px;background:rgba(163,28,60,.5);}
.hero-in{max-width:var(--maxw);margin:0 auto;padding:118px 28px 96px;min-height:clamp(540px,82vh,820px);display:flex;flex-direction:column;justify-content:center;position:relative;z-index:1;}
.hero-eyebrow{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--wine);margin-bottom:28px;}
.hero h1{font-family:'Unbounded',sans-serif;font-weight:400;font-size:clamp(34px,6.4vw,66px);line-height:1.05;letter-spacing:-.015em;max-width:14ch;}
.hero h1 em{font-style:normal;color:var(--wine);}
.hero-sub{font-family:'Inter';font-weight:300;font-size:clamp(16px,2vw,20px);line-height:1.6;margin-top:30px;opacity:.85;max-width:48ch;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:42px;}
.hero-meta{display:flex;gap:48px;flex-wrap:wrap;margin-top:64px;padding-top:28px;border-top:1px solid var(--line-l);
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;opacity:.62;}
.hero-meta b{display:block;font-family:'Unbounded';font-weight:300;font-size:22px;letter-spacing:.02em;color:var(--paper);opacity:1;margin-bottom:4px;text-transform:none;}

/* ── catalog grid ── */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.cat-card{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:340px;display:flex;flex-direction:column;justify-content:flex-end;
  background:#1a1a1a;color:var(--paper);padding:26px;cursor:pointer;transition:transform .35s var(--ease);}
.cat-card::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.72),rgba(0,0,0,.05) 60%);z-index:0;}
/* рамка-паспарту — премиум-обрамление фактуры */
.cat-card::before{content:"";position:absolute;inset:10px;z-index:2;pointer-events:none;
  border:1px solid rgba(245,245,245,.22);border-radius:calc(var(--r-lg) - 7px);transition:border-color .35s var(--ease);}
.cat-card:hover{transform:translateY(-4px);}
.cat-card:hover::before{border-color:rgba(245,245,245,.45);}
.cat-card>*{position:relative;z-index:1;}
.cat-card .cc-tex{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0;opacity:.92;transition:transform .6s var(--ease);}
.cat-card:hover .cc-tex{transform:scale(1.05);}
.cat-card .cc-cat{font-size:11px;letter-spacing:.2em;text-transform:uppercase;opacity:.75;margin-bottom:8px;}
.cat-card .cc-name{font-family:'Unbounded',sans-serif;font-weight:400;font-size:22px;line-height:1.15;}
.cat-card .cc-name::after{content:"→";display:inline-block;margin-left:.45em;font-family:'Inter';font-weight:300;
  opacity:0;transform:translateX(-6px);transition:opacity .3s var(--ease),transform .3s var(--ease);}
.cat-card:hover .cc-name::after{opacity:1;transform:none;}
.cat-card .cc-from{font-size:13px;opacity:.8;margin-top:10px;}
.cat-card .cc-from b{font-family:'Unbounded';font-weight:300;font-size:16px;}
.cat-card .cc-idx{position:absolute;top:22px;left:24px;font-family:'Unbounded';font-weight:300;font-size:12px;
  letter-spacing:.14em;opacity:.7;}
/* CTA-карточка «не определились» — светлая инверсия (винный = только акцент-слово) */
.cat-card.cta{background:#fff;color:var(--ink);border:1px solid var(--line);}
.cat-card.cta::after{display:none;}
.cat-card.cta::before{border-color:var(--line);}
.cat-card.cta:hover::before{border-color:var(--wine);}
.cat-card.cta .cc-cat{color:var(--wine);opacity:1;}
.cat-card.cta .cc-from{opacity:.6;}
.cat-card.cta .cc-name em{font-style:normal;color:var(--wine);}

/* фактуры: фотореалистичные генерации (Nano Banana) до фото от заказчика;
   цвет = фолбэк, пока изображение грузится */
.tex-bamboo{background:#6b4f34 url('/assets/tex/bamboo.jpg') center/cover no-repeat;}
.tex-ceramic{background:#a89f92 url('/assets/tex/ceramic.jpg') center/cover no-repeat;}
.tex-louver{background:#2e2e2e url('/assets/tex/louver.jpg') center/cover no-repeat;}
.tex-sml{background:#dcd8cf url('/assets/tex/sml.jpg') center/cover no-repeat;}
.tex-profile{background:#9a9da1 url('/assets/tex/profile.jpg') center/cover no-repeat;}

/* ── value props ── */
.utp{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;}
.utp .item{background:var(--paper);padding:34px 30px;transition:background .3s var(--ease);}
.utp .item:hover{background:#fff;}
.utp .n{font-family:'Unbounded';font-weight:300;font-size:15px;color:var(--wine);display:flex;align-items:center;gap:10px;}
.utp .n::before{content:"";width:7px;height:16px;border:1px solid var(--wine);flex:none;}
.utp h3{font-family:'Unbounded';font-weight:400;font-size:19px;margin:14px 0 10px;line-height:1.2;}
.utp p{font-size:14.5px;opacity:.72;line-height:1.6;}

/* ── visual studio teaser (lead-gate) ── */
.studio{background:var(--ink);color:var(--paper);position:relative;overflow:hidden;}
.studio::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,transparent 0 88px,rgba(245,245,245,.045) 88px 89px);}
.studio .wrap{position:relative;z-index:1;}
.studio .sec-title{color:var(--paper);}
.studio-box{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.studio-vis{border-radius:var(--r-lg);min-height:330px;background:linear-gradient(135deg,#2a2018,#1a1a1a);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;border:1px solid var(--line-l);}
.studio-vis .lock{text-align:center;opacity:.8;}
.studio-vis .lock svg{width:40px;height:40px;margin-bottom:12px;}
.studio-vis .lock span{font-size:13px;letter-spacing:.04em;}
.studio-copy h2{font-family:'Unbounded';font-weight:400;font-size:clamp(24px,3.2vw,34px);line-height:1.12;margin-bottom:18px;}
.studio-copy p{opacity:.8;margin-bottom:26px;max-width:42ch;}

/* ── compare table ── */
.cmp-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--r-lg);}
.cmp{width:100%;min-width:520px;border-collapse:collapse;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);}
.cmp th,.cmp td{padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);}
.cmp thead th{font-family:'Unbounded';font-weight:400;font-size:14px;background:var(--ink);color:var(--paper);}
.cmp thead th:nth-child(2){box-shadow:inset 0 -2px 0 var(--wine);}
.cmp td:nth-child(2){background:#fff;}
.cmp tbody tr:last-child td{border-bottom:none;}
.cmp td:first-child{font-weight:500;}
.cmp .yes{color:#2f6e4f;font-weight:500;}
.cmp .no{opacity:.5;}

/* ── B2B band ── */
.b2b{background:#000;color:var(--paper);border-radius:var(--r-lg);padding:54px 48px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  position:relative;overflow:hidden;}
.b2b::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,transparent 0 72px,rgba(245,245,245,.05) 72px 73px);}
.b2b>*{position:relative;z-index:1;}
.b2b h2{font-family:'Unbounded';font-weight:300;font-size:clamp(22px,3vw,30px);line-height:1.2;margin-bottom:14px;}
.b2b p{opacity:.75;max-width:54ch;}
.b2b-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px;}

/* ── footer ── */
.foot{background:var(--ink);color:var(--paper);padding:0;position:relative;overflow:hidden;}
.foot-in{max-width:var(--maxw);margin:0 auto;padding:72px 28px 40px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;position:relative;z-index:1;}
/* гост-ворднарк — большая контурная надпись РАУМ */
.foot-ghost{font-family:'Manrope',sans-serif;font-weight:200;font-size:clamp(72px,15vw,190px);letter-spacing:.3em;
  line-height:1;text-align:center;color:transparent;-webkit-text-stroke:1px rgba(245,245,245,.09);
  user-select:none;pointer-events:none;padding:30px 0 0;white-space:nowrap;}
.foot .logo{font-size:24px;margin-bottom:18px;}
.foot-c{font-size:13.5px;line-height:1.9;opacity:.72;}
.foot h4{font-family:'Unbounded';font-weight:400;font-size:13px;letter-spacing:.04em;margin-bottom:14px;opacity:.9;}
.foot ul{list-style:none;font-size:14px;line-height:2.1;opacity:.75;}
.foot-note{border-top:1px solid var(--line-l);margin-top:30px;padding:22px 28px;text-align:center;font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.4;}

/* ── floating channels + CTA ── */
.float{position:fixed;right:20px;bottom:20px;z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.fbtn{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.16);cursor:pointer;transition:transform .2s;border:none;}
.fbtn:hover{transform:scale(1.08);}
.fbtn svg{width:24px;height:24px;}
.fbtn.tg{background:#229ED9;color:#fff;}
.fbtn.max{background:var(--ink);color:#fff;font-family:'Unbounded';font-size:13px;}
.fbtn.alina{background:var(--wine);color:#fff;width:auto;border-radius:30px;padding:0 20px;gap:8px;font-weight:500;font-size:14px;}

/* ── reveal anim ── */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ── responsive ── */
@media(max-width:900px){
  .grid-3,.utp{grid-template-columns:1fr 1fr;}
  .studio-box,.b2b{grid-template-columns:1fr;}
  .head nav{display:none;}
  .foot-in{grid-template-columns:1fr 1fr;}
}
@media(max-width:600px){
  .wrap{padding:0 20px;}
  section{padding:64px 0;}
  .hero::after{display:none;}
  .hero-meta{gap:26px;}
  .foot-ghost{letter-spacing:.22em;}
  .grid-3,.utp{grid-template-columns:1fr;}
  .head-phone,.head nav{display:none;}
  .head-in{padding:11px 18px;gap:12px;}
  .head .logo{font-size:16px;}
  .head-right{gap:10px;}
  .city-pick{padding:7px 10px;font-size:13px;}
  .head-right .btn-w{padding:10px 16px;font-size:13px;}
  .foot-in{grid-template-columns:1fr;}
  .b2b{padding:36px 26px;}
}