/* VarFunGateway — монохромная типографика, чёрное на белом */

:root{
  --paper:#fff; --ink:#0a0a0a; --ink-2:#1c1c1e;
  --muted:#767679; --faint:#a1a1a4;
  --line:#e6e6e6; --line-2:#f0f0f0; --wash:#f6f6f6;
  --ok:#1a7f37; --warn:#9a6700; --bad:#b3261e;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,"DejaVu Sans Mono",monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;
  --disp:"Inter Tight","Inter","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;font-feature-settings:"cv02","cv03","ss01"}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
@media(max-width:720px){.wrap{padding:0 20px}}
.mono{font-family:var(--mono)}

/* ---------- служебная полоса ---------- */
.strip{background:var(--ink);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;padding:9px 0}
.strip .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.strip a{border-bottom:1px solid #ffffff55}
.strip .live{display:inline-flex;align-items:center;gap:7px}
.strip .live i{width:6px;height:6px;border-radius:50%;background:#4ade80;display:block;
  animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

/* ---------- шапка ---------- */
header.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;height:72px;gap:36px}
.logo{font-family:var(--disp);font-weight:800;font-size:19px;letter-spacing:-.045em;display:flex;align-items:center;gap:11px}
.logo .mark{width:26px;height:26px;display:block;border-radius:6px}
.nav .links{display:flex;gap:30px}
.nav a.link{font-size:14px;font-weight:500;color:var(--muted);position:relative;padding:4px 0}
.nav a.link:after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--ink);transition:width .25s}
.nav a.link:hover{color:var(--ink)}
.nav a.link:hover:after,.nav a.link.on:after{width:100%}
.nav a.link.on{color:var(--ink)}
.nav .spacer{flex:1}
@media(max-width:860px){.nav .links{display:none}}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;
  border:1px solid var(--ink);background:transparent;color:var(--ink);font-family:var(--sans);
  font-size:14px;font-weight:600;letter-spacing:-.01em;cursor:pointer;border-radius:2px;
  transition:background .18s,color .18s,transform .18s}
.btn:hover{background:var(--ink);color:#fff}
.btn.primary{background:var(--ink);color:#fff}
.btn.primary:hover{background:#000;transform:translateY(-2px)}
.btn.ghost{border-color:transparent;color:var(--muted);padding-left:12px;padding-right:12px}
.btn.ghost:hover{background:transparent;color:var(--ink)}
.btn.sm{padding:8px 14px;font-size:13px}
.btn.wide{width:100%}
.btn.danger{border-color:var(--line);color:var(--bad)}
.btn.danger:hover{background:var(--bad);border-color:var(--bad);color:#fff}

/* ---------- герой ---------- */
.hero{padding:110px 0 78px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);display:flex;align-items:center;gap:12px;margin-bottom:34px}
.eyebrow:before{content:"";width:44px;height:1px;background:var(--ink)}
h1{font-family:var(--disp);font-size:clamp(46px,8.6vw,116px);line-height:.9;letter-spacing:-.05em;
  font-weight:800;margin:0 0 30px;max-width:15ch}
h1 em{font-style:normal;color:var(--faint)}
.lead{font-size:19px;line-height:1.5;color:var(--muted);max-width:52ch;margin:0 0 38px;font-weight:450}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:end}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero{padding:70px 0 56px}}

/* ---------- цифры ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.stats>div{padding:34px 0 34px 28px;border-left:1px solid var(--line)}
.stats>div:first-child{border-left:none;padding-left:0}
.stats b{font-family:var(--disp);font-size:44px;font-weight:700;letter-spacing:-.045em;display:block;line-height:1}
.stats span{font-family:var(--mono);font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
@media(max-width:860px){.stats{grid-template-columns:repeat(2,1fr)}.stats>div{padding:24px 0 24px 20px}
  .stats>div:nth-child(3){border-left:none;padding-left:0}.stats>div:nth-child(n+3){border-top:1px solid var(--line)}}

/* ---------- бегущая строка ---------- */
.marquee{border-bottom:1px solid var(--line);overflow:hidden;padding:20px 0;white-space:nowrap}
.marquee-in{display:inline-flex;gap:54px;animation:slide 32s linear infinite;padding-right:54px}
.marquee span{font-family:var(--mono);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- секции ---------- */
.sec{padding:88px 0;border-bottom:1px solid var(--line)}
.sec:last-child{border-bottom:none}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;
  margin-bottom:46px;flex-wrap:wrap}
.sec h2{font-family:var(--disp);font-size:clamp(30px,4.2vw,50px);letter-spacing:-.045em;
  font-weight:700;margin:0;line-height:1.02;max-width:18ch}
.sec .sub{color:var(--muted);margin:12px 0 0;max-width:56ch;font-size:16px}
.num{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;color:var(--faint)}

/* ---------- карточки ---------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:26px}
.grid{display:grid;gap:0}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.grid.gap{gap:16px}
@media(max-width:900px){.g2,.g3,.g4{grid-template-columns:1fr}}
.cell{padding:34px 30px;border:1px solid var(--line);margin:-1px 0 0 -1px;transition:background .2s}
.cell:hover{background:var(--wash)}
.cell h3{font-family:var(--disp);font-size:21px;letter-spacing:-.03em;margin:14px 0 8px}
.cell p{color:var(--muted);margin:0;font-size:14.5px}

/* ---------- код ---------- */
.code{background:var(--ink);color:#f2f2f2;border-radius:3px;padding:22px 24px;font-family:var(--mono);
  font-size:13px;line-height:1.75;overflow-x:auto;position:relative;white-space:pre;tab-size:2}
@media(max-width:720px){.code{font-size:11.5px;white-space:pre-wrap}}
.code .c{color:#8b8b8f}.code .k{color:#fff;font-weight:500}.code .s{color:#c9c9cd}.code .f{color:#fff}
.code:has(.copy),.code.hascopy{padding-top:52px}
.copy{position:absolute;top:14px;right:14px;background:#ffffff17;border:1px solid #ffffff2b;color:#f2f2f2;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;padding:6px 11px;
  border-radius:2px;cursor:pointer}
.copy:hover{background:#fff;color:var(--ink)}
.codebar{display:flex;gap:0;margin-bottom:16px;border-bottom:1px solid var(--line)}
.tab{padding:11px 20px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--faint);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.on{color:var(--ink);border-bottom-color:var(--ink)}

/* ---------- модели ---------- */
.model{display:flex;align-items:center;gap:18px;padding:22px 24px;border:1px solid var(--line);
  margin:-1px 0 0 -1px;transition:background .18s}
.model:hover{background:var(--wash)}
.ava{width:38px;height:38px;border:1px solid var(--line);display:grid;place-items:center;font-size:15px;
  flex:none;font-family:var(--mono);background:var(--paper)}
.model:hover .ava{background:var(--ink);color:#fff;border-color:var(--ink)}
.model .meta{flex:1;min-width:0}
.model .name{font-family:var(--mono);font-size:14px;font-weight:500;letter-spacing:-.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.model .sub{font-size:12px;color:var(--faint);letter-spacing:.04em;text-transform:uppercase;margin-top:3px}
.badge{font-family:var(--mono);font-size:10.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 10px;border:1px solid var(--line);border-radius:2px;white-space:nowrap;
  display:inline-flex;align-items:center;gap:7px;color:var(--muted)}
.badge .d{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.badge.ok{color:var(--ok);border-color:#cfe6d5}
.badge.warn{color:var(--warn);border-color:#eadfc2}
.badge.bad{color:var(--bad);border-color:#eccfcd}
.badge.tier{color:var(--faint)}

/* ---------- кольца ---------- */
.rings{display:grid;grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.rings{grid-template-columns:1fr}}
.ring-card{text-align:center;padding:40px 24px;border:1px solid var(--line);margin:-1px 0 0 -1px}
.ring{width:150px;height:150px;margin:0 auto 18px;position:relative}
.ring svg{transform:rotate(-90deg)}
.ring .val{position:absolute;inset:0;display:grid;place-content:center}
.ring .val b{font-family:var(--disp);font-size:26px;letter-spacing:-.04em;display:block;line-height:1.1}
.ring .val span{font-family:var(--mono);font-size:9.5px;color:var(--faint);text-transform:uppercase;letter-spacing:.12em}

/* ---------- таблицы ---------- */
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.11em;
  color:var(--faint);font-weight:400;padding:13px 14px;border-bottom:1px solid var(--ink)}
td{padding:14px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover td,table tr:hover td{background:var(--wash)}

/* ---------- формы ---------- */
label{display:block;font-family:var(--mono);font-size:10.5px;font-weight:400;color:var(--muted);
  margin-bottom:7px;text-transform:uppercase;letter-spacing:.1em}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:2px;
  font-size:14.5px;font-family:inherit;background:var(--paper);color:var(--ink);transition:border-color .15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink)}
.field{margin-bottom:16px}
.row{display:flex;gap:14px;flex-wrap:wrap}.row>*{flex:1;min-width:150px}
.check{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink);text-transform:none;
  letter-spacing:0;font-family:var(--sans);font-weight:500}
.check input{width:auto}

/* ---------- тарифы ---------- */
.plan{padding:34px 28px;border:1px solid var(--line);margin:-1px 0 0 -1px;position:relative;
  display:flex;flex-direction:column;transition:.2s}
.plan:hover{background:var(--wash)}
.plan.hot{background:var(--ink);color:#fff;border-color:var(--ink)}
.plan.hot:hover{background:#000}
.plan.hot .muted,.plan.hot .faint,.plan.hot li span{color:#a5a5a8}
.plan.hot li{border-color:#2a2a2c}
.plan.hot .btn{border-color:#fff;color:#fff}
.plan.hot .btn:hover{background:#fff;color:var(--ink)}
.plan .tag{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--faint);margin-bottom:16px;display:block}
.plan h3{font-family:var(--disp);font-size:23px;letter-spacing:-.035em;margin:0 0 6px;font-weight:700}
.plan .price{font-family:var(--disp);font-size:46px;font-weight:700;letter-spacing:-.05em;margin:22px 0 2px;line-height:1}
.plan ul{list-style:none;padding:0;margin:22px 0 0;font-size:13.5px;flex:1}
.plan li{padding:10px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px}
.plan li span{color:var(--muted);font-family:var(--mono);font-size:12.5px}

/* ---------- инверсный блок ---------- */
.invert{background:var(--ink);color:#fff;padding:100px 0}
.invert h2{font-family:var(--disp);font-size:clamp(32px,5.6vw,68px);letter-spacing:-.05em;
  font-weight:800;margin:0 0 22px;line-height:.98;max-width:16ch}
.invert p{color:#a5a5a8;max-width:50ch;font-size:17px;margin:0 0 34px}
.invert .btn{border-color:#fff;color:#fff}
.invert .btn:hover{background:#fff;color:var(--ink)}
.invert .btn.primary{background:#fff;color:var(--ink)}
.invert .btn.primary:hover{background:#e6e6e6}

/* ---------- футер ---------- */
footer{background:var(--ink);color:#8a8a8d;padding:60px 0 40px;font-size:13px}
footer .foot{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap;align-items:flex-end}
footer .fbrand{font-family:var(--disp);font-size:38px;font-weight:800;letter-spacing:-.05em;color:#fff;line-height:1}
footer a{color:#dcdcdf}
footer a.author{color:#fff;border-bottom:1px solid #ffffff44;font-weight:600}
footer .fcol{display:flex;flex-direction:column;gap:9px}
footer .fcol b{color:#fff;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;
  text-transform:uppercase;font-weight:400;margin-bottom:4px}

/* ---------- прочее ---------- */
.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:13px}
.kpi{padding:30px 26px;border:1px solid var(--line);margin:-1px 0 0 -1px}
.kpi b{font-family:var(--disp);font-size:36px;font-weight:700;letter-spacing:-.045em;display:block;line-height:1.05}
.kpi span{font-family:var(--mono);font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.11em}
.alert{padding:15px 18px;border-radius:2px;font-size:14px;margin-bottom:20px;border:1px solid var(--ink);
  display:flex;gap:12px;align-items:flex-start}
.alert.ok{border-color:#cfe6d5;background:#f4faf6}
.alert.err{border-color:#eccfcd;background:#fdf6f5}
.alert.info{border-color:var(--line);background:var(--wash)}
.keybox{display:flex;align-items:center;gap:12px;background:var(--ink);color:#fff;border-radius:2px;
  padding:15px 18px;font-family:var(--mono);font-size:13px;word-break:break-all;position:relative}
.keybox .copy{position:static;margin-left:auto;flex:none}
.tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:28px;flex-wrap:wrap}
.tabs a{padding:13px 20px;font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--faint);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a:hover{color:var(--ink)}
.tabs a.on{color:var(--ink);border-bottom-color:var(--ink)}
.panel{max-width:460px;margin:0 auto;padding:80px 0}
.panel h2{font-family:var(--disp);font-size:38px;letter-spacing:-.045em;margin:0 0 8px;font-weight:700}
.divider{height:1px;background:var(--line);border:none;margin:0}

/* появление при скролле */
.reveal{opacity:0;transform:translateY(18px)}
.reveal.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
@media(prefers-reduced-motion:reduce){.reveal,.reveal.in{opacity:1;transform:none;transition:none}
  .marquee-in{animation:none}}

/* ============ ПОЛИРОВКА: ЭФФЕКТЫ ============ */

/* полоса прогресса чтения */
#progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--ink);z-index:100;
  transition:width .1s linear}

/* зерно поверх всего — даёт «печатную» фактуру */
#grain{position:fixed;inset:0;pointer-events:none;z-index:90;opacity:.032;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}

/* шапка ужимается при скролле */
header.nav{transition:height .3s,box-shadow .3s}
.nav-in{transition:height .3s cubic-bezier(.16,1,.3,1)}
body.scrolled .nav-in{height:60px}
body.scrolled header.nav{box-shadow:0 1px 0 var(--line)}

/* кнопки — заливка снизу вверх */
.btn{position:relative;overflow:hidden;z-index:0}
.btn:before{content:"";position:absolute;inset:0;background:var(--ink);transform:translateY(101%);
  transition:transform .32s cubic-bezier(.16,1,.3,1);z-index:-1}
.btn:hover:before{transform:translateY(0)}
.btn:hover{background:transparent;color:#fff}
.btn.primary:before{background:#fff}
.btn.primary:hover{color:var(--ink);transform:none}
.invert .btn:before,.plan.hot .btn:before{background:#fff}
.invert .btn:hover,.plan.hot .btn:hover{color:var(--ink)}
.invert .btn.primary:before{background:var(--ink)}
.invert .btn.primary:hover{color:#fff}

/* карточки инвертируются при наведении */
.cell{position:relative;overflow:hidden}
.cell:before{content:"";position:absolute;inset:0;background:var(--ink);
  transform:translateY(100%);transition:transform .45s cubic-bezier(.16,1,.3,1);z-index:0}
.cell:hover:before{transform:translateY(0)}
.cell>*{position:relative;z-index:1}
.cell:hover{background:transparent;color:#fff}
.cell:hover .num{color:#7a7a7e}
.cell:hover p{color:#b4b4b8}
.cell:hover .code{background:#191919}

/* строки моделей: чёрная полоса слева при наведении */
.model{position:relative}
.model:before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:var(--ink);
  transition:width .3s cubic-bezier(.16,1,.3,1)}
.model:hover:before{width:4px}
.model .name{transition:transform .3s cubic-bezier(.16,1,.3,1)}
.model:hover .name{transform:translateX(8px)}
.model:hover .sub{transform:translateX(8px);transition:transform .3s cubic-bezier(.16,1,.3,1)}

/* тарифы приподнимаются */
.plan{transition:transform .35s cubic-bezier(.16,1,.3,1),background .25s,box-shadow .35s}
.plan:hover{transform:translateY(-6px);z-index:2;box-shadow:0 30px 60px -40px rgba(0,0,0,.45)}
.plan.hot{transform:scale(1.015)}
.plan.hot:hover{transform:translateY(-6px) scale(1.015)}

/* заголовок героя выезжает построчно */
h1 .ln{display:block;overflow:hidden}
h1 .ln>span{display:block;transform:translateY(105%);animation:rise .95s cubic-bezier(.16,1,.3,1) forwards}
h1 .ln:nth-child(2)>span{animation-delay:.09s}
h1 .ln:nth-child(3)>span{animation-delay:.18s}
@keyframes rise{to{transform:translateY(0)}}
.hero .eyebrow,.hero .lead,.hero-actions,.hero .code,.hero .small{animation:fadeUp .9s cubic-bezier(.16,1,.3,1) both}
.hero .lead{animation-delay:.28s}.hero-actions{animation-delay:.36s}
.hero .code{animation-delay:.44s}.hero .small{animation-delay:.5s}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* цифры считаются вверх */
.stats b,.kpi b{font-variant-numeric:tabular-nums}

/* инверсная секция — гигантская подложка */
.invert{position:relative;overflow:hidden}
.invert:after{content:"VFG";position:absolute;right:-2%;bottom:-34%;font-family:var(--disp);
  font-size:min(30vw,320px);font-weight:800;color:#ffffff09;letter-spacing:-.06em;pointer-events:none;line-height:1}

/* таблицы: строка подсвечивается слева */
tbody tr,table tr{transition:background .18s}

/* плавная смена страниц в демо */
.vfg-page{animation:pageIn .45s cubic-bezier(.16,1,.3,1)}
@keyframes pageIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

@media(prefers-reduced-motion:reduce){
  h1 .ln>span,.hero .eyebrow,.hero .lead,.hero-actions,.hero .code,.hero .small,.vfg-page{animation:none;transform:none;opacity:1}
  .btn:before,.cell:before{display:none}
}


/* ============ ТЕЛЕФОН: то, что разъезжалось ============ */
/* таблицы админки шире экрана — пусть скроллятся внутри карточки */
.card{overflow-x:auto}
.card table{min-width:600px}

@media(max-width:900px){
  /* список чатов сверху компактной лентой, переписка сразу под ним */
  .ws-side{max-height:170px;overflow-y:auto;border-right:none;
    border-bottom:1px solid var(--line)}
  .ws-bar select{min-width:0;width:100%}
  .ws-bar-form{width:100%;gap:10px}
  .ws-feed{max-height:none}
  .bubble{max-width:100%}
}

@media(max-width:600px){
  .hero{padding:52px 0 40px}
  .sec{padding:52px 0}
  .sec-head{gap:18px}
  .rings{gap:0}
  .ring{width:118px;height:118px}
  .ring svg{width:118px;height:118px}
  .row>*{min-width:100%}
  .media-row img,.media-row video{max-width:100%}
  .plan .price{font-size:38px}
}

@media(max-width:400px){
  .gal{grid-template-columns:1fr}
  .wrap{padding:0 16px}
}