/* ===========================================================
   VDC — общая дизайн-система прототипа
   Бренд: Montserrat · зелёный #436e68 · бордовый #7f4451
   =========================================================== */
:root{
  --green:#436e68;
  --green-deep:#345852;
  --green-soft:#5c8a83;
  --burgundy:#7f4451;
  --burgundy-soft:#9a5663;
  --coral:#b86a6e;
  --sea:#71999f;
  --olive:#98a660;
  --slate:#474a51;
  --ink:#23262b;
  --ink-2:#2c3036;
  --bone:#f5f3ef;
  --bone-2:#ece8e1;
  --paper:#ffffff;
  --mint:#78c8a5;        /* по брендбуку — только логотип */
  --line:#e0dccf;
  --line-dark:#393d44;
  --dim:#8a857b;
  --dim-dark:#a7a293;
  --maxw:1320px;
  --r:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Montserrat",system-ui,sans-serif;
  background:var(--bone);color:var(--slate);
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.1;letter-spacing:-.02em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 44px}
.kicker{font-size:12px;letter-spacing:.26em;text-transform:uppercase;font-weight:700;color:var(--burgundy)}
.kicker.on-dark{color:var(--green-soft)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;
  padding:15px 30px;border-radius:40px;cursor:pointer;border:1px solid transparent;
  transition:.35s cubic-bezier(.2,.7,.3,1);white-space:nowrap}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep);transform:translateY(-2px)}
.btn-ghost{border-color:currentColor}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.btn-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn-burgundy{background:var(--burgundy);color:#fff}
.btn-burgundy:hover{background:var(--burgundy-soft);transform:translateY(-2px)}

/* header */
header.site{position:fixed;top:0;left:0;right:0;z-index:200;padding:24px 0;transition:.4s ease}
header.site.scrolled{background:rgba(35,38,43,.92);backdrop-filter:blur(14px);padding:14px 0;box-shadow:0 1px 0 var(--line-dark)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-mark{width:42px;height:42px;flex:none;display:block}
.brand-wm{display:flex;flex-direction:column;justify-content:center;line-height:1}
.brand-wm b{font-weight:700;font-size:25px;letter-spacing:.05em;color:var(--mint);text-transform:lowercase}
.brand-wm i{font-style:normal;font-weight:500;font-size:8.5px;letter-spacing:.06em;color:rgba(255,255,255,.6);margin-top:4px;text-transform:none;white-space:nowrap}
@media(max-width:520px){.brand-wm i{display:none}}
.nav-links{display:flex;gap:30px;list-style:none}
.nav-links a{font-size:14.5px;font-weight:500;color:rgba(255,255,255,.82);position:relative;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:1.5px;background:var(--green-soft);transition:.3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-actions{display:flex;gap:12px;align-items:center}
.nav-actions .btn{padding:11px 22px;font-size:14px}
.nav-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.nav-actions .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:26px;height:2px;background:#fff;transition:.3s}

/* reveal */
.reveal{opacity:0;transform:translateY(32px);transition:.9s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}.d5{transition-delay:.40s}

/* sections */
section{position:relative}
.pad{padding:130px 0}
.pad-s{padding:96px 0}
.dark{background:var(--ink);color:#fff}
.dark h1,.dark h2,.dark h3,.dark h4{color:#fff}
.green{background:var(--green);color:#fff;position:relative;overflow:hidden}
.green h1,.green h2,.green h3{color:#fff}
.green::after{content:"";position:absolute;right:-70px;bottom:-90px;width:380px;height:380px;
  background:url(vdc-petal.png) center/contain no-repeat;opacity:.12;pointer-events:none;z-index:0;transform:rotate(8deg)}
.green .wrap{position:relative;z-index:1}
/* фирменный элемент — лепестки */
.petal-deco{position:absolute;background:url(vdc-petal.png) center/contain no-repeat;pointer-events:none;z-index:1;opacity:.9}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:58px}
.sec-head .kicker{display:block;margin-bottom:18px}
.sec-head h2{font-size:clamp(30px,3.6vw,50px);max-width:20ch}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--dim);max-width:40ch}

/* page hero (inner pages) */
.page-hero{position:relative;min-height:82vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--ink);padding-top:128px}
.page-hero .bg{position:absolute;inset:0;z-index:0}
.page-hero .bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.page-hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(28,30,34,.78) 0%,rgba(28,30,34,.46) 42%,rgba(28,30,34,.94) 100%)}
.page-hero .inner{position:relative;z-index:2;color:#fff;padding-bottom:92px;width:100%}
.page-hero h1{font-size:clamp(36px,4.6vw,64px);font-weight:800;max-width:18ch;color:#fff;line-height:1.1}
.page-hero .ph-sub{margin-top:30px;font-size:clamp(17px,1.5vw,21px);color:rgba(255,255,255,.85);max-width:52ch;font-weight:400;line-height:1.55}
.crumbs{font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.7);margin-bottom:28px}
.crumbs a:hover{color:#fff}

/* quote band (reusable) */
.quoteband{position:relative;min-height:66vh;display:flex;align-items:center;overflow:hidden;background:var(--ink);color:#fff}
.quoteband .bg{position:absolute;inset:-8% 0 0 0;z-index:0}
.quoteband .bg img{width:100%;height:116%;object-fit:cover;opacity:.4}
.quoteband::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(28,30,34,.9),rgba(127,68,81,.55) 70%,rgba(28,30,34,.6))}
.quoteband.green-tint::after{background:linear-gradient(100deg,rgba(28,30,34,.9),rgba(52,88,82,.5) 70%,rgba(28,30,34,.62))}
.quoteband .inner{position:relative;z-index:2;max-width:1000px}
.quoteband .qb{font-size:clamp(26px,3.4vw,46px);font-weight:700;line-height:1.2;color:#fff;letter-spacing:-.01em}
.quoteband .qb .hl{color:var(--green-soft)}
.quoteband .src{margin-top:24px;font-size:14px;letter-spacing:.04em;color:rgba(255,255,255,.72)}

/* footer */
footer.site{background:var(--ink);color:#fff;padding:88px 0 38px;position:relative;overflow:hidden}
footer.site::after{content:"";position:absolute;right:-60px;top:-70px;width:300px;height:300px;
  background:url(vdc-petal.png) center/contain no-repeat;opacity:.07;pointer-events:none;transform:rotate(-12deg)}
footer.site .wrap{position:relative;z-index:1}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:56px;border-bottom:1px solid var(--line-dark)}
.foot-brand .brand{margin-bottom:18px}
.foot-brand p{color:var(--dim-dark);font-size:15px;max-width:28ch}
.foot-col h4{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim-dark);margin-bottom:18px;font-weight:700}
.foot-col a,.foot-col p{display:block;color:rgba(255,255,255,.82);font-size:15px;margin-bottom:11px;transition:.25s}
.foot-col a:hover{color:var(--green-soft)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;padding-top:26px;color:var(--dim-dark);font-size:13px}

/* generic cards / grids reused across pages */
.cards{display:grid;gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.card{padding:38px 34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;transition:.4s;background:var(--paper)}
.card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:.45s}
.card:hover{background:var(--bone)}
.card:hover::before{transform:scaleX(1)}
.card .cn{font-size:13px;color:var(--burgundy);font-weight:700;letter-spacing:.08em}
.card h3{font-size:21px;margin:14px 0 11px}
.card p{font-size:15.5px;color:var(--dim);line-height:1.55}

/* responsive */
@media(max-width:1040px){
  .nav-links{display:none}
  .burger{display:flex}
  .cards.c3{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:760px){
  .wrap{padding:0 22px}
  .pad{padding:80px 0}.pad-s{padding:64px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:18px}
  .cards.c3,.cards.c2{grid-template-columns:1fr}
  .nav-actions .btn-ghost{display:none}
  .foot-top{grid-template-columns:1fr}
}