/* Paradigm, черновик лендинга. Токены из stylegaid.md */
@font-face{font-family:"Inter";src:url(../fonts/Inter-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter";src:url(../fonts/Inter-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Inter";src:url(../fonts/Inter-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Inter Display";src:url(../fonts/Inter-Display-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Inter Display";src:url(../fonts/Inter-Display-500.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --graphite:#16171A;--ink2:#3A3B40;--grey:#8B8E94;--muted:#5F6268;--mist:#C5C7CB;--line:#E4E4E1;
  --tone:#F3F3F1;--paper:#FAFAF8;--white:#FFFFFF;
  --cobalt:#2F5BEA;--cobalt-dark:#2148C7;--cobalt-tint:#E8EDFC;--sage:#4F8A72;--sage-text:#3B6D58;--sage-tint:#E6EFEA;
  --wrap:1200px;--pad:48px;--gut:24px;
  --r-s:8px;--r-m:12px;--r-l:20px;
  --ease-out:cubic-bezier(.2,0,0,1);--ease-io:cubic-bezier(.4,0,.2,1);
  --t-micro:120ms;--t-ui:240ms;--t-in:480ms;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--graphite);font-family:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;font-feature-settings:"cv11"}
img,svg{display:block;max-width:100%}
h1,h2,h3{font-family:"Inter Display","Inter",sans-serif;font-weight:500;margin:0;text-wrap:balance}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{max-width:calc(var(--wrap) + 2*var(--pad));margin:0 auto;padding:0 var(--pad)}

/* ссылки и фокус */
a{color:var(--cobalt);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:color var(--t-micro) var(--ease-out),text-decoration-color var(--t-micro) var(--ease-out)}
a:hover{color:var(--cobalt-dark);text-decoration-thickness:2px}
a:active{color:var(--graphite)}
:focus{outline:none}
:focus-visible{outline:2px solid var(--cobalt);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:16px;top:-60px;z-index:20;background:var(--graphite);color:#fff;padding:10px 16px;border-radius:var(--r-s);text-decoration:none}
.skip:focus{top:12px}
::selection{background:var(--cobalt-tint)}

/* шапка */
.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color var(--t-ui) var(--ease-out)}
.top.scrolled{border-bottom-color:var(--line)}
.top-in{display:flex;align-items:center;gap:32px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--graphite);text-decoration:none;font-family:"Inter Display";font-weight:500;font-size:20px;letter-spacing:-.02em}
.brand:hover{color:var(--graphite)}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{color:var(--ink2);text-decoration:none;font-size:15px;padding:6px 0;background:linear-gradient(var(--graphite),var(--graphite)) left bottom/0 1px no-repeat;transition:color var(--t-micro) var(--ease-out),background-size var(--t-ui) var(--ease-out)}
.nav a:hover{color:var(--graphite);background-size:100% 1px}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 24px;border-radius:999px;background:var(--graphite);color:#fff;font-weight:500;font-size:16px;text-decoration:none;border:1px solid var(--graphite);transition:background-color var(--t-micro) var(--ease-out),border-color var(--t-micro) var(--ease-out),color var(--t-micro) var(--ease-out)}
.btn:hover{background:#2A2B30;border-color:#2A2B30;color:#fff;text-decoration:none}
.btn:active{background:#000;border-color:#000}
.btn-sm{min-height:40px;padding:0 18px;font-size:15px}
.btn-ghost{background:transparent;color:var(--graphite);border-color:var(--mist)}
.btn-ghost:hover{background:transparent;color:var(--graphite);border-color:var(--graphite)}
.btn-ghost:active{background:var(--tone)}
.btn-light{background:#fff;color:var(--graphite);border-color:#fff}
.btn-light:hover{background:var(--tone);border-color:var(--tone);color:var(--graphite)}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin-top:32px}

/* типографика */
.eyebrow{font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:16px;max-width:none}
h1{font-size:64px;line-height:1.04;letter-spacing:-.03em}
h2{font-size:40px;line-height:1.15;letter-spacing:-.02em;max-width:760px}
h3{font-size:22px;line-height:1.3;letter-spacing:-.01em}
.lead{font-family:"Inter Display";font-size:21px;line-height:1.5;color:var(--ink2);max-width:580px;margin-top:24px}
.intro{font-size:18px;color:var(--ink2);max-width:680px;margin-top:16px}
.body-l{font-family:"Inter Display";font-size:21px;line-height:1.5;color:var(--graphite)}
p{max-width:68ch}

/* секции */
.sec{padding:112px 0}
.sec-tone{background:var(--tone)}
.grid2{display:grid;grid-template-columns:5fr 7fr;gap:var(--gut) 64px;align-items:start}
.grid2 > div:last-child,.grid2 > ul{color:var(--ink2)}

/* 1 первый экран */
.hero{padding:56px 0 96px}
.hero-in{display:grid;grid-template-columns:7fr 5fr;gap:var(--gut);align-items:center}
.hero-note{margin-top:40px;padding-top:12px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);max-width:420px}
.hero-media{margin:0;aspect-ratio:1/1;max-width:460px;width:100%;justify-self:end}
.orb{width:100%;height:100%;overflow:visible}
.orb-glow{transform-origin:220px 220px;animation:breathe 7s var(--ease-io) infinite}
.orb-beam{stroke-dasharray:70 900;stroke-dashoffset:540;animation:sweep 7s var(--ease-io) infinite}
.orb-ring{stroke-dasharray:943;stroke-dashoffset:943;animation:drawring 1.6s var(--ease-out) .2s forwards}
@keyframes breathe{0%,100%{opacity:.55;transform:scale(.94)}50%{opacity:1;transform:scale(1.04)}}
@keyframes sweep{0%{stroke-dashoffset:540;opacity:0}12%{opacity:1}55%{opacity:1}70%,100%{stroke-dashoffset:-450;opacity:0}}
@keyframes drawring{to{stroke-dashoffset:0}}

/* 2 проблема */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.tags li{font-size:14px;padding:6px 14px;border:1px solid var(--line);border-radius:999px;color:var(--ink2)}

/* 3 подход: схема */
.pipe{position:relative;margin-top:56px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-l);padding:48px 40px 40px}
.pipe-row{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.pipe-row li{position:relative;display:flex;flex-direction:column;align-items:center}
.pipe-row i{width:14px;height:14px;border-radius:50%;background:var(--white);border:1.5px solid var(--graphite);margin-bottom:20px;position:relative;z-index:1}
.pipe-row .last i{background:var(--graphite)}
.pipe-row b{font-weight:600;font-size:16px}
.pipe-row span{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.45;max-width:200px}
.pipe-rail{position:absolute;left:calc(40px + (100% - 80px - 96px)/8);right:calc(40px + (100% - 80px - 96px)/8);top:55px;height:1px;background:var(--mist)}
.pipe-dot{position:absolute;top:-5px;left:0;width:11px;height:11px;margin-left:-5px;border-radius:50%;background:var(--cobalt);box-shadow:0 0 0 6px rgba(47,91,234,.12);animation:travel 9s var(--ease-io) infinite}
.chip{position:relative;display:inline-grid;margin-top:14px;font-style:normal;font-size:13px;font-weight:500}
.chip span{grid-area:1/1;display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;white-space:nowrap}
.chip span::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.chip-wait{background:var(--tone);color:var(--ink2);border:1px solid var(--line);animation:wait 9s linear infinite}
.chip-ok{background:var(--sage-tint);color:var(--sage-text);border:1px solid transparent;opacity:0;animation:ok 9s linear infinite}
@keyframes travel{0%{left:0;opacity:0}5%{opacity:1}60%{left:100%}88%{left:100%;opacity:1}96%,100%{left:100%;opacity:0}}
.chip-yes{background:var(--graphite);color:#fff;border:1px solid var(--graphite);justify-self:center;opacity:0;animation:yes 9s linear infinite}
.chip-yes::before{display:none}
@keyframes wait{0%,58%{opacity:1}61%,100%{opacity:0}}
@keyframes yes{0%,59%{opacity:0;transform:none}62%{opacity:1;transform:none}65%{opacity:1;transform:scale(.9)}68%{opacity:1;transform:none}71%,100%{opacity:0}}
@keyframes ok{0%,70%{opacity:0}73%,94%{opacity:1}100%{opacity:0}}
.pipe-cap{margin-top:32px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--muted);max-width:720px}

.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:40px var(--gut);margin-top:64px;counter-reset:p}
.principles li{counter-increment:p;color:var(--ink2);font-size:16px;line-height:1.6;padding-top:16px;border-top:1px solid var(--graphite)}
.principles li::before{content:counter(p,decimal-leading-zero);display:block;font-size:12px;color:var(--muted);letter-spacing:.08em;margin-bottom:10px;font-feature-settings:"tnum"}
.principles b{display:block;color:var(--graphite);font-weight:600;margin-bottom:6px}

/* 4 ступени */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gut);margin-top:56px}
.step{border:1px solid var(--line);border-radius:var(--r-l);padding:32px;background:var(--white)}
.step h3{margin-bottom:10px}
.step p{color:var(--ink2);font-size:16px}
.step-n{font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--cobalt);margin-bottom:12px!important}
.callout{margin-top:32px;padding:4px 0 4px 20px;border-left:2px solid var(--sage);font-size:17px;color:var(--graphite);max-width:720px}

/* 5 где проверено */
.cases{display:grid;grid-template-columns:1fr 1fr;gap:var(--gut);margin-top:56px}
.case{background:var(--white);border:1px solid var(--line);border-radius:var(--r-l);padding:32px;display:flex;flex-direction:column}
.case-n{font-size:13px;color:var(--muted);font-feature-settings:"tnum";margin-bottom:20px!important}
.case h3{margin-bottom:20px}
.case dl{margin:0 0 24px}
.case dt{font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:16px}
.case dt:first-child{margin-top:0}
.case dd{margin:4px 0 0;font-size:16px;color:var(--ink2)}

/* 6 данные */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:48px var(--gut);margin-top:56px}
.fact{padding-top:16px;border-top:1px solid var(--line)}
.fact h3{font-size:18px;font-family:"Inter";font-weight:600;margin-bottom:8px}
.fact p{font-size:16px;color:var(--ink2)}

/* 7 как начинаем */
.path{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gut);margin-top:56px;position:relative}
.path li{background:var(--white);border:1px solid var(--line);border-radius:var(--r-l);padding:32px}
.path h3{margin-bottom:12px}
.path p{font-size:16px;color:var(--ink2);margin-bottom:10px}
.path b{color:var(--graphite);font-weight:600}
.note{margin-top:28px;font-size:15px;color:var(--muted)}

/* 8 чего не обещаем */
.nope li{position:relative;padding:18px 0 18px 36px;border-top:1px solid var(--line);font-size:18px;color:var(--graphite)}
.nope li:last-child{border-bottom:1px solid var(--line)}
.nope li::before{content:"";position:absolute;left:4px;top:31px;width:14px;height:1.5px;background:var(--graphite)}

/* 9 заявка */
.sec-dark{background:var(--graphite);color:#fff}
.sec-dark .eyebrow{color:var(--mist)}
.sec-dark p{color:#D9DADD}
.contact{display:grid;grid-template-columns:6fr 6fr;gap:64px;align-items:center}
.contact h2{color:#fff;margin-bottom:20px}
.mail{color:#fff;text-decoration-color:rgba(255,255,255,.4);font-size:16px}
.mail:hover{color:#fff;text-decoration-color:#fff}
.sec-dark :focus-visible{outline-color:#9DB3F7}
.contact-img img{width:100%;height:auto;border-radius:var(--r-l)}

/* подвал */
.foot{padding:40px 0;border-top:1px solid var(--line)}
.foot-in{display:flex;flex-wrap:wrap;align-items:center;gap:12px 32px;font-size:14px;color:var(--muted)}
.foot-in p{margin:0}
.foot-in .brand{font-size:17px}
.foot-in p:last-child{margin-left:auto}
.foot a:not(.brand){color:var(--ink2)}

/* появление секций: только при JS, один раз */
.rv .reveal{opacity:0;transform:translateY(12px);transition:opacity var(--t-in) var(--ease-out),transform var(--t-in) var(--ease-out)}
.rv .reveal.in{opacity:1;transform:none}

/* адаптив */
@media (max-width:1080px){
  .nav{display:none}
  .top .btn-sm{margin-left:auto}
}
@media (max-width:900px){
  :root{--pad:20px}
  body{font-size:16px}
  .sec{padding:72px 0}
  h1{font-size:clamp(34px,10vw,42px)}
  h2{font-size:30px}
  h3{font-size:20px}
  .lead,.body-l{font-size:18px}
  .hero{padding:24px 0 64px}
  .hero-in,.grid2,.contact{grid-template-columns:minmax(0,1fr)}
  .hero-in>*,.grid2>*,.contact>*{min-width:0}
  .hero-media{order:0;max-width:150px;justify-self:start;margin-top:8px}
  .grid2{gap:24px}
  .principles,.steps,.facts,.path,.cases{grid-template-columns:minmax(0,1fr)}
  .principles{gap:28px}
  .facts{gap:28px}
  .pipe{padding:28px 20px}
  .pipe-row{grid-template-columns:minmax(0,1fr);gap:0;text-align:left}
  .pipe-row li{display:grid;grid-template-columns:14px 1fr;column-gap:16px;align-items:start;padding-bottom:24px}
  .pipe-row li:last-child{padding-bottom:0}
  .pipe-row i{grid-row:1/4;margin:5px 0 0}
  .pipe-row span{max-width:none}
  .pipe-row .chip{grid-column:2;justify-self:start}
  .pipe-rail{left:26px;right:auto;top:40px;bottom:96px;width:1px;height:auto}
  .pipe-dot{left:-5px!important;margin-left:0;margin-top:0;top:0;transform:translateY(-5px);animation-name:travel-v}
  .case,.step,.path li{padding:24px}
  .contact{gap:40px}
  .foot-in p:last-child{margin-left:0}
}
@keyframes travel-v{0%{top:0;opacity:0}5%{opacity:1}60%{top:100%}88%{top:100%;opacity:1}96%,100%{top:100%;opacity:0}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .orb-ring{stroke-dashoffset:0}
  .orb-beam{opacity:0}
  .pipe-dot{display:none}
  .chip-wait{opacity:0}.chip-yes{opacity:0}.chip-ok{opacity:1}
  .rv .reveal{opacity:1;transform:none}
}

/* v2: подробные карточки систем и восемь принципов */
.cases-x{display:grid;gap:24px;margin-top:56px}
.case-x{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:var(--gut);padding:40px}
.case-x .case-head h3{font-size:26px;line-height:1.25;margin-bottom:0}
.case-meta{margin-top:14px!important;font-size:14px;color:var(--muted)}
.case-x dl{display:grid;grid-template-columns:170px minmax(0,1fr);gap:18px 32px;margin:0 0 28px}
.case-x dt{margin-top:0;padding-top:4px}
.case-x dd{margin:0}
.principles-8{grid-template-columns:repeat(4,1fr)}
@media (max-width:1080px){.principles-8{grid-template-columns:repeat(2,1fr)}}
@media (max-width:900px){
  .case-x{grid-template-columns:minmax(0,1fr);gap:20px;padding:24px}
  .case-x .case-head h3{font-size:21px}
  .case-x dl{grid-template-columns:minmax(0,1fr);gap:4px}
  .case-x dt{margin-top:14px}
  .case-x dt:first-child{margin-top:0}
  .principles-8{grid-template-columns:minmax(0,1fr)}
}

/* v3: резюме над карточкой, основная система, состояния заказа, четыре факта */
.case-sum{margin-top:16px!important;font-size:17px;line-height:1.55;color:var(--graphite)}
.case-main{border-color:var(--graphite);padding:56px;grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.case-main .case-n{color:var(--cobalt)}
.case-main .case-head h3{font-size:34px}
.case-main .case-sum{font-size:19px}
.states{list-style:none;margin:0 0 32px;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:8px;counter-reset:st}
.states li{counter-increment:st;position:relative;padding:34px 0 0;font-size:14px;font-weight:500;color:var(--graphite);border-top:1px solid var(--mist)}
.states li::before{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;border-radius:50%;background:var(--white);border:1.5px solid var(--graphite)}
.states li:last-child::before{background:var(--graphite)}
.states li::after{content:counter(st,decimal-leading-zero);position:absolute;top:12px;left:0;font-size:12px;color:var(--muted);font-weight:400;font-feature-settings:"tnum"}
.facts-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1080px){.facts-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:900px){
  .case-main{padding:28px 24px;grid-template-columns:minmax(0,1fr);gap:20px}
  .case-main .case-head h3{font-size:24px}
  .case-main .case-sum{font-size:17px}
  .states{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
  .states li{border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:var(--white)}
  .states li::before,.states li::after{display:none}
  .states li:last-child{background:var(--graphite);border-color:var(--graphite);color:#fff}
  .facts-4{grid-template-columns:minmax(0,1fr)}
}
.pipe{margin-left:0;margin-right:0;margin-bottom:0}
.pipe-row .chip span{margin-top:0;font-size:13px}.pipe-row .chip-yes{color:#fff;padding:5px 16px}.pipe-row .chip-ok{color:var(--sage-text)}.pipe-row .chip-wait{color:var(--ink2)}
/* v4: масштаб и десять этапов */
.scale{padding:0 0 72px}
.scale-row{list-style:none;margin:0;padding:32px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gut)}
.scale-row li{display:flex;flex-direction:column;gap:8px}
.scale-row b{font-size:30px;line-height:1.1;font-weight:500;color:var(--graphite);font-feature-settings:"tnum"}
.scale-row span{font-size:15px;line-height:1.5;color:var(--muted)}
@media (min-width:901px){.states-10{grid-template-columns:repeat(5,1fr);row-gap:28px}.states-10 li{font-size:13px;line-height:1.35;padding-right:8px}}
@media (max-width:1080px){.scale-row{grid-template-columns:repeat(2,1fr);row-gap:32px}}
@media (max-width:720px){.scale{padding-bottom:48px}.scale-row{grid-template-columns:minmax(0,1fr);row-gap:24px}.scale-row b{font-size:26px}}