/* VDAI.me v2 — design system
   Editorial premium: тёплая бумага + чернила + один красный акцент.
   Шрифты: Unbounded (display) + Onest (body). Без Inter, без градиентов. */

:root{
  --bg:#f4f0e6;
  --paper:#fffdf7;
  --ink:#16120c;
  --muted:#6d6455;
  --line:#ddd3bf;
  --red:#c04426;
  --red-deep:#9c3016;
  --green:#176652;
  --dark:#131009;
  --dark-2:#1d1810;
  --on-dark:#f0e8d6;
  --on-dark-muted:#a89d87;
  --radius:10px;
  --wrap:1240px;
  --font-display:"Unbounded",system-ui,sans-serif;
  --font-body:"Onest",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 var(--font-body);
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
img,video{max-width:100%;display:block}
.wrap{width:min(var(--wrap),calc(100% - 40px));margin:0 auto}

/* ---------- типографика ---------- */
h1,h2,h3{margin:0;font-family:var(--font-display);font-weight:700;letter-spacing:-.01em}
.display{
  font-size:clamp(38px,5.8vw,90px);
  line-height:.98;text-transform:uppercase;font-weight:900;
}
.h2{
  font-size:clamp(30px,4.6vw,60px);
  line-height:1.02;text-transform:uppercase;
}
.h3{font-size:clamp(19px,2vw,24px);line-height:1.2;font-weight:700}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font:600 11px/1 var(--font-body);
  text-transform:uppercase;letter-spacing:.18em;color:var(--red);
}
.kicker::before{content:"";width:22px;height:1px;background:var(--red)}
.lead{max-width:720px;color:var(--muted);font-size:clamp(17px,2vw,20px);line-height:1.55}
.lead b,.lead strong{color:var(--ink);font-weight:600}
.on-dark .lead b,.on-dark .lead strong{color:var(--on-dark)}
.small{font-size:13px;color:var(--muted)}

/* ---------- кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;padding:0 26px;border-radius:8px;
  border:1px solid var(--ink);background:var(--ink);color:var(--paper);
  font:600 15px/1 var(--font-body);text-decoration:none;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{background:var(--red);border-color:var(--red);color:#fff}
.btn:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.btn.red{background:var(--red);border-color:var(--red);color:#fff}
.btn.red:hover{background:var(--red-deep);border-color:var(--red-deep)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--paper);color:var(--ink);border-color:var(--ink)}
.on-dark .btn{background:var(--on-dark);border-color:var(--on-dark);color:var(--dark)}
.on-dark .btn:hover{background:var(--red);border-color:var(--red);color:#fff}
.on-dark .btn.ghost{background:transparent;color:var(--on-dark);border-color:rgba(240,232,214,.4)}
.on-dark .btn.ghost:hover{background:rgba(240,232,214,.08);color:var(--on-dark)}
/* тёмные секции вне .on-dark: hero и cta-band */
.hero .btn.ghost,.cta-band .btn.ghost{color:var(--on-dark);border-color:rgba(240,232,214,.4)}
.hero .btn.ghost:hover,.cta-band .btn.ghost:hover{background:rgba(240,232,214,.08);color:var(--on-dark)}
.cta-band .btn:not(.ghost):not(.red){background:var(--on-dark);border-color:var(--on-dark);color:var(--dark)}
.cta-band .btn:not(.ghost):not(.red):hover{background:var(--red);border-color:var(--red);color:#fff}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}

/* ---------- навигация ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(244,240,230,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.navin{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{
  font:700 15px/1 var(--font-display);letter-spacing:.06em;
  text-decoration:none;text-transform:uppercase;
}
.brand span{color:var(--red)}
.navlinks{display:flex;align-items:center;gap:22px}
.navlinks a{
  font:600 12px/1 var(--font-body);text-transform:uppercase;letter-spacing:.1em;
  color:var(--muted);text-decoration:none;white-space:nowrap;padding:8px 0;
  transition:color .2s ease;
}
.navlinks a:hover,.navlinks a[aria-current="page"]{color:var(--ink)}
.nav .btn{min-height:42px;padding:0 18px;font-size:13px}

/* ---------- секции ---------- */
.band{padding:clamp(64px,9vw,120px) 0;border-bottom:1px solid var(--line);position:relative}
.band.on-dark{background:var(--dark);color:var(--on-dark);border-color:rgba(240,232,214,.12)}
.band.on-paper{background:var(--paper)}
.on-dark .kicker{color:var(--red)}
.on-dark .lead,.on-dark .small{color:var(--on-dark-muted)}
.section-head{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:28px;align-items:end;margin-bottom:clamp(32px,5vw,56px)}
.section-head .lead{margin:0}

/* гигантский номер-подложка (layered z-index) */
.giant-num{
  position:absolute;top:-.18em;right:-.02em;z-index:0;pointer-events:none;
  font:900 clamp(120px,22vw,320px)/1 var(--font-display);
  color:transparent;-webkit-text-stroke:1px var(--line);
  opacity:.7;user-select:none;
}
.on-dark .giant-num{-webkit-text-stroke:1px rgba(240,232,214,.14)}
.band>.wrap{position:relative;z-index:1}

/* ---------- hero ---------- */
.hero{
  position:relative;background:var(--dark);color:var(--on-dark);
  border-bottom:1px solid rgba(240,232,214,.12);overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;overflow:hidden;
}
.hero-bg video,.hero-bg img{
  width:100%;height:100%;object-fit:cover;opacity:.5;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(19,16,9,.25) 0%,rgba(19,16,9,.82) 68%,var(--dark) 100%);
}
.hero-word{
  position:absolute;z-index:1;right:-3vw;bottom:-2vw;pointer-events:none;user-select:none;
  font:900 clamp(160px,26vw,420px)/0.8 var(--font-display);text-transform:uppercase;
  color:transparent;-webkit-text-stroke:1px rgba(240,232,214,.12);
  will-change:transform;
}
.hero-inner{
  position:relative;z-index:2;
  padding:clamp(84px,12vw,160px) 0 clamp(64px,9vw,120px);
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,400px);
  gap:clamp(28px,5vw,64px);align-items:center;
}
.hero .lead{color:var(--on-dark-muted)}

/* стеклянная карточка — только на тёмном */
.glass{
  background:rgba(240,232,214,.07);
  border:1px solid rgba(240,232,214,.16);
  backdrop-filter:blur(12px);
  border-radius:var(--radius);padding:22px;
}
.purn{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid rgba(240,232,214,.16);border-radius:var(--radius);overflow:hidden;margin-top:34px;background:rgba(240,232,214,.04);backdrop-filter:blur(10px)}
/* модификатор: лента из 5 ячеек (P·U·L·R·N); адаптив переопределяется в @media ниже */
.purn.cols-5{grid-template-columns:repeat(5,1fr)}
.purn div{padding:14px 16px;border-left:1px solid rgba(240,232,214,.1)}
.purn div:first-child{border-left:0}
.purn b{display:block;font:700 20px/1 var(--font-display);color:var(--red)}
.purn span{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--on-dark-muted)}

/* видеокарточка */
.video-card{
  background:#0c0a06;border:1px solid rgba(240,232,214,.14);border-radius:var(--radius);
  overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45),0 6px 20px rgba(0,0,0,.3);
}
.video-card video{width:100%;aspect-ratio:9/16;object-fit:cover;background:#0c0a06}
.video-card figcaption{padding:13px 16px;font-size:13px;color:var(--on-dark-muted);border-top:1px solid rgba(240,232,214,.1)}

/* ---------- бегущая строка ---------- */
.ticker{
  overflow:hidden;background:var(--red);color:#fff;
  border-bottom:1px solid var(--line);padding:13px 0;
}
.ticker-track{display:flex;gap:48px;width:max-content;animation:ticker 36s linear infinite}
.ticker span{font:600 13px/1 var(--font-body);text-transform:uppercase;letter-spacing:.16em;white-space:nowrap;display:flex;align-items:center;gap:48px}
.ticker span::after{content:"·"}
@keyframes ticker{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.ticker-track{animation:none}}

/* ---------- editorial-ряды (вместо SaaS-сетки) ---------- */
.rows{border-top:1px solid var(--line)}
.row{
  display:grid;grid-template-columns:88px minmax(0,1.1fr) minmax(0,1.3fr) auto;
  gap:clamp(16px,3vw,40px);align-items:center;
  padding:clamp(22px,3.4vw,36px) 0;border-bottom:1px solid var(--line);
  text-decoration:none;position:relative;transition:background .2s ease;
}
.row:hover{background:var(--paper)}
.on-paper .row:hover{background:var(--bg)}
.row .num{font:700 13px/1 var(--font-display);color:var(--muted)}
.row .h3{transition:color .2s ease}
.row:hover .h3{color:var(--red)}
.row p{margin:0;color:var(--muted);font-size:15px}
.row .price{font:700 clamp(20px,2.4vw,28px)/1 var(--font-display);white-space:nowrap}
.row .tagline{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--green);font-weight:600}
.on-dark .rows,.on-dark .row{border-color:rgba(240,232,214,.14)}
.on-dark .row:hover{background:rgba(240,232,214,.05)}
.on-dark .row p,.on-dark .row .num{color:var(--on-dark-muted)}

/* ---------- карточки ---------- */
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(20px,2.6vw,30px);
}
.on-dark .card{background:rgba(240,232,214,.05);border-color:rgba(240,232,214,.14)}
.on-dark .card p{color:var(--on-dark-muted)}
.card p{margin:10px 0 0;color:var(--muted);font-size:15px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
/* асимметрия: первая карточка шире */
.grid-3.asym{grid-template-columns:1.25fr 1fr 1fr}

/* ---------- шаги (горизонтальная лента) ---------- */
.steps{
  display:grid;grid-template-columns:repeat(5,1fr);gap:14px;
  counter-reset:step;
}
/* модификатор: лента из 4 шагов (адаптив переопределяется в @media ниже) */
.steps.s4{grid-template-columns:repeat(4,1fr)}
.step{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;min-height:170px;position:relative;counter-increment:step;
}
.step::before{
  content:"0" counter(step);
  font:900 42px/1 var(--font-display);
  color:transparent;-webkit-text-stroke:1px var(--line);
  display:block;margin-bottom:12px;
}
.step b{display:block;font:600 12px/1.2 var(--font-body);text-transform:uppercase;letter-spacing:.12em;color:var(--red);margin-bottom:8px}
.step span{font-size:14px;color:var(--muted)}

/* ---------- кейсы ---------- */
.case{
  display:grid;grid-template-columns:minmax(0,.55fr) minmax(0,1fr);
  gap:clamp(20px,4vw,56px);padding:clamp(28px,4.5vw,52px) 0;
  border-bottom:1px solid var(--line);position:relative;
}
.case:last-child{border-bottom:0}
.case .case-num{
  font:900 clamp(64px,9vw,120px)/0.9 var(--font-display);
  color:transparent;-webkit-text-stroke:1.5px var(--red);opacity:.85;
}
.case .case-meta{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin-top:14px;font-weight:600}
.case h3{margin-bottom:12px}
.case p{color:var(--muted);margin:0 0 14px}
.case .case-result{
  border-left:3px solid var(--green);padding:6px 0 6px 16px;
  color:var(--ink);font-weight:500;
}
.on-dark .case{border-color:rgba(240,232,214,.14)}
.on-dark .case p{color:var(--on-dark-muted)}
.on-dark .case .case-result{color:var(--on-dark)}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:var(--on-dark);padding:clamp(72px,10vw,130px) 0;position:relative;overflow:hidden}
.cta-band .h2{max-width:900px}
.cta-band .lead{color:var(--on-dark-muted)}

/* ---------- футер ---------- */
footer{padding:44px 0 56px;color:var(--muted);font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px;margin-bottom:28px}
.foot-grid b{display:block;font:600 11px/1 var(--font-body);text-transform:uppercase;letter-spacing:.14em;color:var(--ink);margin-bottom:14px}
.foot-grid a{display:block;text-decoration:none;padding:5px 0;transition:color .2s ease}
.foot-grid a:hover{color:var(--red)}
.foot-legal{border-top:1px solid var(--line);padding-top:22px;font-size:12.5px;line-height:1.6}

/* ---------- статьи (внутренние страницы) ---------- */
.article{max-width:760px;margin:0 auto;padding:clamp(48px,7vw,88px) 0}
.article h1{font-size:clamp(30px,4.6vw,52px);line-height:1.05;text-transform:uppercase;margin-bottom:22px}
.article h2{font-size:clamp(21px,2.6vw,28px);margin:44px 0 14px;line-height:1.15}
.article p{margin:0 0 18px;font-size:17px;line-height:1.7}
.article ul,.article ol{margin:0 0 18px;padding-left:24px;font-size:17px;line-height:1.7}
.article li{margin-bottom:8px}
.article .lead{font-size:19px;color:var(--muted);margin-bottom:34px}
.article blockquote{margin:0 0 18px;border-left:3px solid var(--red);padding:4px 0 4px 18px;color:var(--muted)}
.article .article-meta{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:600;margin-bottom:18px}
.article .article-cta{margin:44px 0 0;padding:28px;background:var(--dark);color:var(--on-dark);border-radius:var(--radius)}
.article .article-cta p{color:var(--on-dark-muted)}

/* ---------- reveal-анимации (motion.js) ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- адаптив ---------- */
@media(max-width:1020px){
  .hero-inner{grid-template-columns:1fr}
  .hero-inner .video-card{width:min(100%,380px)}
  .section-head{grid-template-columns:1fr;align-items:start}
  .grid-3,.grid-3.asym{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(3,1fr)}
  .steps.s4{grid-template-columns:1fr 1fr}
  .row{grid-template-columns:52px minmax(0,1fr) auto;grid-template-areas:"num title price" "num desc price"}
  .row .num{grid-area:num}.row div:nth-child(2){grid-area:title}
  .case{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .wrap{width:calc(100% - 32px)}
  .navin{flex-wrap:wrap;padding:10px 0}
  .navlinks{width:100%;overflow-x:auto;gap:16px;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .display,.h2,.article h1{overflow-wrap:anywhere}
  .h2{font-size:clamp(26px,8vw,34px)}
  .grid-2,.grid-3,.grid-3.asym{grid-template-columns:1fr}
  .steps,.steps.s4{grid-template-columns:1fr 1fr}
  .actions .btn{width:100%}
  .purn,.purn.cols-5{grid-template-columns:1fr 1fr}
  .purn div:nth-child(odd){border-left:0}
  .row{grid-template-columns:1fr;grid-template-areas:none;gap:8px;align-items:start}
  .hero-word{display:none}
  .giant-num{font-size:clamp(90px,30vw,160px);opacity:.45}
}
@media(max-width:400px){
  .steps,.steps.s4{grid-template-columns:1fr}
  .purn.cols-5{grid-template-columns:1fr}
  .purn.cols-5 div{border-left:0;border-top:1px solid rgba(240,232,214,.1)}
  .purn.cols-5 div:first-child{border-top:0}
}

/* ---------- основа (команда) ---------- */
.founder{
  display:grid;grid-template-columns:150px minmax(0,.55fr) minmax(0,1fr);
  gap:clamp(18px,3.5vw,48px);align-items:start;
  padding:clamp(26px,4vw,46px) 0;border-bottom:1px solid rgba(240,232,214,.14);
}
.founder:first-of-type{border-top:1px solid rgba(240,232,214,.14)}
.founder:last-of-type{border-bottom:0}
.founder-init{
  font:900 clamp(56px,7.5vw,110px)/0.85 var(--font-display);
  color:transparent;-webkit-text-stroke:1.5px var(--red);
  user-select:none;letter-spacing:-.02em;
}
.founder-name h3{font-size:clamp(20px,2.4vw,30px);line-height:1.1}
.founder-role{font:600 11px/1.5 var(--font-body);text-transform:uppercase;letter-spacing:.16em;color:var(--red);margin-top:10px}
.founder-bio{color:var(--on-dark-muted);margin:0;font-size:15.5px;line-height:1.65}
.founder-bio a{color:var(--on-dark)}
@media(max-width:1020px){
  .founder{grid-template-columns:96px minmax(0,1fr)}
  .founder-bio{grid-column:2}
}
@media(max-width:680px){
  .founder{grid-template-columns:64px 1fr;gap:14px}
}

/* ---------- каталог /kupit ---------- */
.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.shop-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:14px}
.shop-head{display:flex;align-items:center;gap:12px}
.shop-head img{width:44px;height:44px;border-radius:10px;object-fit:contain;background:var(--bg);padding:6px;border:1px solid var(--line)}
.shop-head .h3{font-size:19px}
.shop-from{font:700 13px/1.4 var(--font-body);color:var(--green)}
.shop-desc{margin:0;color:var(--muted);font-size:14px}
.shop-tariffs{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.shop-tariffs li{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.shop-tariffs b{color:var(--ink);font-weight:600;white-space:nowrap}
.shop-more{font-size:12.5px;color:var(--muted);margin:0}
.shop-card .btn{margin-top:auto;width:100%;min-height:46px;font-size:14px}
.shop-note{background:var(--paper);border:1px solid var(--line);border-left:3px solid #d59a2f;border-radius:var(--radius);padding:14px 18px;color:var(--muted);font-size:14px;max-width:880px}
@media(max-width:1020px){.shop-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.shop-grid{grid-template-columns:1fr}}