/* ===== MKR — О компании. Тёмный премиум, язык лендингов ===== */
.mkr-about{
  --bg:#050608; --deep:#030409; --soft:#090a0f; --panel:#0b0d14;
  --ink:#f8faff; --muted:rgba(216,222,234,.74); --muted-2:rgba(216,222,234,.5);
  --line:rgba(255,255,255,.10); --line-2:rgba(255,255,255,.18);
  --grad:linear-gradient(135deg,#2e69f6 0%,#6942fb 48%,#d45cff 100%);
  --grad-dim:linear-gradient(135deg,rgba(46,105,246,.6) 0%,rgba(105,66,251,.6) 48%,rgba(212,92,255,.6) 100%);
  --ease:cubic-bezier(.22,1,.36,1);
  --frame:calc(100vw - clamp(40px,5vw,96px));
  --radius:8px; --radius-l:16px;
  position:relative;isolation:isolate;
  background:
    radial-gradient(circle at 50% 11%,rgba(46,105,246,.12),transparent 34vw),
    radial-gradient(circle at 86% 34%,rgba(212,92,255,.09),transparent 36vw),
    radial-gradient(circle at 8% 56%,rgba(105,66,251,.09),transparent 36vw),
    radial-gradient(circle at 80% 78%,rgba(46,105,246,.08),transparent 36vw),
    radial-gradient(circle at 16% 93%,rgba(212,92,255,.07),transparent 34vw),
    linear-gradient(180deg,#030409 0%,#07080d 46%,#050608 100%);
  color:var(--ink);
  font-family:"Inter","Akzidenz-Grotesk Pro","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:clip;
}
.mkr-about *{box-sizing:border-box}
.mkr-about p{margin:0;color:var(--muted);text-wrap:pretty}
.mkr-about h1,.mkr-about h2,.mkr-about h3{margin:0;color:var(--ink);letter-spacing:-.02em;line-height:1.05;text-wrap:balance}

.abt-wrap{width:var(--frame);max-width:1280px;margin:0 auto}
.abt-section{position:relative;padding:clamp(64px,9vh,120px) 0}
.abt-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.abt-eyebrow::before{content:"";width:28px;height:1px;background:var(--grad)}
.abt-head{max-width:760px;margin-bottom:clamp(28px,4vh,48px)}
.abt-head h2{font-size:clamp(1.9rem,3.6vw,3rem);font-weight:720;margin-top:14px}
.abt-head--center{margin-left:auto;margin-right:auto;text-align:center}
/* Градиентная чёрточка у кикера — ТОЛЬКО слева, в том числе у центрированных
   заголовков: с обеих сторон это выглядит как рамка, а не как акцент. */
.abt-lead{font-size:clamp(1.05rem,1.35vw,1.3rem);color:var(--muted);line-height:1.55}
.abt-head__lead{margin-top:16px}

/* ---- CTA — 1 в 1 с лендингами ---- */
.abt-cta{display:inline-grid;grid-template-columns:minmax(0,auto) 40px;gap:7px;width:max-content;max-width:100%;text-decoration:none;outline:none}
.abt-cta__label,.abt-cta__icon{
  --c:linear-gradient(135deg,#2e69f6 0%,#6942fb 48%,#d45cff 100%);
  --cdim:linear-gradient(135deg,rgba(46,105,246,.6) 0%,rgba(105,66,251,.6) 48%,rgba(212,92,255,.6) 100%);
  min-height:40px;border:1px solid transparent;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(5,6,8,.78),rgba(5,6,8,.78)) padding-box, var(--cdim) border-box;
  backdrop-filter:blur(10px);transition:background 320ms ease;color:#f8faff}
.abt-cta:hover .abt-cta__label,.abt-cta:hover .abt-cta__icon,
.abt-cta:focus-visible .abt-cta__label,.abt-cta:focus-visible .abt-cta__icon{
  background:linear-gradient(180deg,rgba(5,6,8,.78),rgba(5,6,8,.78)) padding-box, var(--c) border-box}
.abt-cta__label{display:flex;align-items:center;padding-inline:32px;font-size:.98rem;font-weight:680;line-height:1;letter-spacing:.005em;white-space:nowrap}
.abt-cta__icon{position:relative;display:grid;place-items:center;width:40px;height:40px;overflow:hidden}
.abt-arrow{position:absolute;left:50%;top:50%;width:18px;height:18px;fill:transparent;stroke:#f8faff;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;transform:translate(-50%,-50%);transition:transform 420ms cubic-bezier(.4,0,.2,1)}
.abt-arrow--next{transform:translate(calc(-50% - 36px),calc(-50% + 36px))}
.abt-cta:hover .abt-arrow,.abt-cta:focus-visible .abt-arrow{transform:translate(calc(-50% + 36px),calc(-50% - 36px))}
.abt-cta:hover .abt-arrow--next,.abt-cta:focus-visible .abt-arrow--next{transform:translate(-50%,-50%)}
/* варианты — 1 в 1 с эталоном */
.abt-cta--primary .abt-cta__label,.abt-cta--primary .abt-cta__icon{--cdim:linear-gradient(135deg,rgba(46,105,246,.72) 0%,rgba(105,66,251,.72) 48%,rgba(212,92,255,.72) 100%)}
.abt-cta--ghost .abt-cta__label,.abt-cta--ghost .abt-cta__icon{--c:linear-gradient(135deg,rgba(46,105,246,.55),rgba(212,92,255,.55));--cdim:linear-gradient(135deg,rgba(255,255,255,.16),rgba(255,255,255,.16))}

/* ---- HERO — цельный баннер ---- */
.abt-hero{position:relative;min-height:clamp(600px,88svh,900px);display:flex;align-items:center;padding:clamp(120px,14vh,170px) 0 clamp(60px,8vh,90px);overflow:hidden}
.abt-hero__bg{position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(90deg,rgba(3,4,9,.98) 0%,rgba(3,4,9,.9) 26%,rgba(3,4,9,.5) 48%,rgba(3,4,9,.2) 70%,rgba(3,4,9,.14) 100%),
    linear-gradient(180deg,#050608 0%,rgba(5,6,8,.82) 13%,rgba(5,6,8,.22) 32%,rgba(3,4,9,0) 46%,rgba(3,4,9,0) 58%,rgba(5,6,8,.55) 82%,#050608 100%),
    url("img/hero-desktop.jpg?v=3") center 60% / cover no-repeat #050608;
  /* мягкое растворение самого края баннера в фон */
  -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 12%,#000 88%,transparent 100%);
          mask-image:linear-gradient(180deg,transparent 0,#000 12%,#000 88%,transparent 100%)}
/* ambient-свечение поверх баннера */
.abt-hero::after{content:"";position:absolute;z-index:-1;left:52%;top:38%;width:46%;height:60%;pointer-events:none;
  background:radial-gradient(circle,rgba(105,66,251,.26),transparent 68%);filter:blur(50px);animation:abtFloat 9s var(--ease) infinite alternate}
.abt-hero__inner{position:relative;z-index:2}
.abt-hero__text{max-width:640px}
.abt-hero__title{margin:18px 0 20px;font-size:clamp(2.7rem,6vw,5.6rem);font-weight:740;line-height:.98;letter-spacing:-.03em}
.abt-hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.abt-scrollcue{position:absolute;left:50%;bottom:24px;transform:translateX(-50%);display:flex;align-items:center;gap:10px;color:var(--muted-2);font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;z-index:2}
.abt-scrollcue span{width:1px;height:38px;background:linear-gradient(180deg,#6942fb,transparent);animation:abtCue 2.6s var(--ease) infinite}

/* ---- СТРОКА ДОВЕРИЯ — карточки с градиентным контуром ---- */
.abt-stats{padding-top:0}
.abt-stats__row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;list-style:none;margin:0;padding:0}
.abt-stats__row li{display:flex;flex-direction:column;gap:6px;padding:clamp(22px,2.6vw,32px);border-radius:var(--radius-l);border:1px solid transparent;
  background:linear-gradient(180deg,rgba(15,18,28,.72),rgba(7,9,16,.86)) padding-box, var(--grad-dim) border-box;
  box-shadow:0 24px 60px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.04);transition:transform .4s var(--ease)}
.abt-stats__row li:hover{transform:translateY(-4px)}
.abt-stats__row b{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:780;letter-spacing:-.02em;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.abt-stats__row b i{-webkit-text-fill-color:#ffd23d;font-style:normal;font-size:.7em;margin-left:.06em}
.abt-star{font-style:normal;color:#ffd23d}   /* звезда рейтинга — жёлтая везде */
.abt-stats__row span{color:var(--muted-2);font-size:.92rem}

/* ---- ИСТОРИЯ ---- */
.abt-story{overflow:hidden}
.abt-story::before{content:"";position:absolute;right:-6%;top:10%;width:40%;height:80%;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(46,105,246,.16),transparent 70%);filter:blur(60px)}
.abt-story__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:start}
.abt-story__body p+p{margin-top:16px}
.abt-story__body p{font-size:clamp(1.02rem,1.25vw,1.2rem);line-height:1.6}

/* ---- НАПРАВЛЕНИЯ — карточки с градиентным контуром + свечение ---- */
.abt-dirs__grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.abt-dirs__more{display:flex;justify-content:center;margin-top:clamp(24px,3vh,36px)}
.abt-dir{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:12px;padding:clamp(28px,3vw,42px);border-radius:var(--radius-l);border:1px solid transparent;overflow:hidden;
  background:linear-gradient(180deg,rgba(15,18,28,.74),rgba(7,9,16,.88)) padding-box, var(--grad-dim) border-box;
  box-shadow:0 30px 80px rgba(0,0,0,.4);transition:transform .4s var(--ease),box-shadow .4s}
.abt-dir::after{content:"";position:absolute;z-index:0;left:-10%;top:-30%;width:60%;height:70%;pointer-events:none;
  background:radial-gradient(circle,rgba(105,66,251,.22),transparent 70%);filter:blur(46px);opacity:.6;transition:opacity .4s}
.abt-dir:hover{transform:translateY(-5px);box-shadow:0 40px 100px rgba(0,0,0,.5)}
.abt-dir:hover::after{opacity:1}
.abt-dir>*{position:relative;z-index:1}
.abt-dir__tag{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;padding:6px 13px;border-radius:999px;
  background:linear-gradient(135deg,rgba(46,105,246,.18),rgba(212,92,255,.18));border:1px solid var(--line-2);
  -webkit-background-clip:padding-box;color:var(--ink)}
.abt-dir h3{font-size:clamp(1.3rem,2vw,1.7rem)}
.abt-dir p{flex:1}
.abt-dir .abt-cta{margin-top:6px}

/* ---- ПРИНЦИПЫ — карточки как pains ---- */
.abt-principles__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.abt-principle{position:relative;padding:30px 26px;border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(180deg,rgba(15,18,28,.72),rgba(7,9,16,.86));
  box-shadow:0 24px 70px rgba(0,0,0,.34),inset 0 1px 0 rgba(255,255,255,.04);transition:transform .4s var(--ease),border-color .4s}
.abt-principle:hover{transform:translateY(-5px);border-color:var(--line-2)}
.abt-principle__no{display:block;font-size:.86rem;font-weight:700;letter-spacing:.1em;margin-bottom:14px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.abt-principle h3{font-size:1.16rem;margin-bottom:10px}
.abt-principle p{font-size:.98rem;line-height:1.55}

/* ---- ГЕОГРАФИЯ — CSS scroll-driven (pin + scrub), карта на весь блок ---- */
.abt-geo{position:relative;padding:0}
.abt-geo__track{height:220vh;view-timeline-name:--geo;view-timeline-axis:block}
.abt-geo__pin{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;justify-content:center;overflow:hidden;padding:clamp(40px,7vh,90px) 0}
.abt-geo__head{margin-bottom:clamp(18px,3vh,36px)}
.abt-geo__title{font-size:clamp(2.4rem,5vw,4.4rem);font-weight:760;letter-spacing:-.03em}
/* карта во всю ширину блока, силуэт «врастает» в фон */
.abt-map{position:relative;width:100%;max-width:1600px;margin:0 auto}
.abt-russia{display:block;width:100%;height:auto;filter:drop-shadow(0 0 34px rgba(60,110,220,.26))}
.abt-russia__land{fill:rgba(58,104,210,.13);stroke:rgba(150,190,255,.5);stroke-width:1.1;vector-effect:non-scaling-stroke}
/* слой городов-искр (аддитивное свечение) */
.abt-map__cities{position:absolute;inset:0;pointer-events:none}
.abt-city{position:absolute;width:0;height:0}
.abt-city i{position:absolute;left:0;top:0;display:block;transform:translate(-50%,-50%) scale(.2);opacity:0;border-radius:50%;mix-blend-mode:screen;will-change:transform,opacity}
/* мягкий ореол */
.abt-city__bloom{width:36px;height:36px;background:radial-gradient(circle,rgba(226,238,255,.95),rgba(120,170,255,.4) 40%,rgba(120,170,255,0) 72%)}
/* кольцо-вспышка (как от фотоаппарата) */
.abt-city__ring{width:22px;height:22px;border:2px solid rgba(205,228,255,.95);box-shadow:0 0 8px rgba(150,195,255,.8)}
/* 4-лучевая искра-звезда */
.abt-city__spark{width:64px;height:64px;border-radius:0;
  background:
    linear-gradient(0deg,transparent 46.5%,#fff 50%,transparent 53.5%),
    linear-gradient(90deg,transparent 46.5%,#fff 50%,transparent 53.5%);
  -webkit-mask:radial-gradient(circle,#000 3%,rgba(0,0,0,.6) 15%,transparent 50%);
          mask:radial-gradient(circle,#000 3%,rgba(0,0,0,.6) 15%,transparent 50%);
  filter:drop-shadow(0 0 6px rgba(170,205,255,1))}
/* привязка к прокрутке: окно зажигания --s..--e (запад→восток), обратимый scrub */
.abt-city__bloom,.abt-city__ring,.abt-city__spark{
  animation-duration:1s;animation-timing-function:linear;animation-fill-mode:both;
  animation-timeline:--geo;animation-range:cover var(--s) cover var(--e)}
.abt-city__bloom{animation-name:abtBloom}
.abt-city__ring{animation-name:abtRing}
.abt-city__spark{animation-name:abtSpark}
@keyframes abtSpark{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.2) rotate(-30deg)}
  42%{opacity:1;transform:translate(-50%,-50%) scale(1.75) rotate(2deg)}
  100%{opacity:.95;transform:translate(-50%,-50%) scale(1) rotate(0)}}
@keyframes abtBloom{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.2)}
  42%{opacity:1;transform:translate(-50%,-50%) scale(1.7)}
  100%{opacity:.62;transform:translate(-50%,-50%) scale(1)}}
@keyframes abtRing{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.3)}
  22%{opacity:.95}
  70%,100%{opacity:0;transform:translate(-50%,-50%) scale(4.2)}}
/* fallback: браузер без scroll-driven → города просто зажжены */
@supports not (animation-timeline: scroll()){
  .abt-city__bloom,.abt-city__spark{opacity:.9;animation:none;transform:translate(-50%,-50%) scale(1)}
  .abt-city__ring{display:none}
}

/* ---- ГДЕ КУПИТЬ — пилюли с контуром ---- */
.abt-buy__row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;list-style:none;margin:clamp(20px,3vh,32px) 0 0;padding:0}
.abt-buy__row li{padding:12px 24px;border-radius:999px;border:1px solid transparent;color:var(--ink);font-weight:640;font-size:1rem;
  background:linear-gradient(180deg,rgba(15,18,28,.7),rgba(7,9,16,.8)) padding-box, var(--grad-dim) border-box;transition:transform .3s var(--ease)}
.abt-buy__row li:hover{transform:translateY(-3px)}

/* ---- FAQ ---- */
.abt-faq__list{max-width:840px;margin:clamp(20px,3vh,32px) auto 0;border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  background:rgba(9,10,15,.55)}
.abt-faq__item{border-top:1px solid var(--line)}
.abt-faq__item:first-child{border-top:0}
.abt-faq__item summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:640;font-size:1.06rem;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:16px;transition:color .2s}
.abt-faq__item summary:hover{color:#fff}
.abt-faq__item summary::-webkit-details-marker{display:none}
.abt-faq__item summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--muted-2);transition:transform .3s,color .3s}
.abt-faq__item[open] summary::after{transform:rotate(45deg);color:#b39bff}
.abt-faq__item p{padding:0 24px 22px;line-height:1.55}

/* ---- ФИНАЛЬНЫЙ CTA ---- */
.abt-final__card{position:relative;text-align:center;padding:clamp(44px,6vw,76px);border-radius:var(--radius-l);border:1px solid transparent;overflow:hidden;
  background:linear-gradient(180deg,rgba(15,18,28,.74),rgba(7,9,16,.88)) padding-box, var(--grad-dim) border-box}
.abt-final__card::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:url("img/mkr-pattern.webp");background-size:300px;filter:grayscale(1) brightness(1.4);opacity:.05}
.abt-final__card::after{content:"";position:absolute;z-index:0;left:50%;top:-40%;width:70%;height:120%;transform:translateX(-50%);pointer-events:none;
  background:radial-gradient(circle,rgba(105,66,251,.24),transparent 62%);filter:blur(40px)}
.abt-final__card>*{position:relative;z-index:1}
.abt-final__card h2{font-size:clamp(1.7rem,3vw,2.6rem);font-weight:720}
.abt-final__card .abt-lead{margin:16px auto 0;max-width:560px}
.abt-final__cta{display:flex;justify-content:center;margin-top:28px}

/* ---- REVEAL (progressive enhancement) ---- */
.mkr-about.has-reveal [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.mkr-about.has-reveal [data-reveal].is-revealed{opacity:1;transform:none}

/* ---- Ambient keyframes ---- */
@keyframes abtFloat{0%{transform:translate(0,0)}100%{transform:translate(-14px,16px)}}
@keyframes abtCue{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}46%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---- Адаптив ---- */
@media(max-width:1000px){
  .abt-principles__grid{grid-template-columns:repeat(2,1fr)}
  .abt-story__grid{grid-template-columns:1fr;gap:20px}
  .abt-stats__row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  /* композиция: надписи сверху → логотип MKR в центре (целиком, 100% auto — без обрезки) → кнопки снизу */
  .abt-hero{min-height:72svh;align-items:stretch;padding:0;overflow:hidden}
  /* картинка не заполняет hero по высоте (100% auto) — поэтому она вынесена в отдельный
     слой со своей маской: фейд считается от краёв самой картинки, а не от краёв секции */
  .abt-hero__bg{background:#050608;-webkit-mask-image:none;mask-image:none}
  .abt-hero__bg::before{content:"";position:absolute;left:0;right:0;top:58%;transform:translateY(-50%);
    aspect-ratio:998/1024;
    background:url("img/hero-mobile.jpg?v=4") center top / 100% 100% no-repeat;
    -webkit-mask-image:linear-gradient(180deg,transparent 0,#000 20%,#000 74%,transparent 100%);
            mask-image:linear-gradient(180deg,transparent 0,#000 20%,#000 74%,transparent 100%)}
  .abt-hero__bg::after{content:"";position:absolute;inset:0;background:
    linear-gradient(180deg,#050608 0%,rgba(5,6,8,.9) 10%,rgba(5,6,8,.66) 22%,rgba(5,6,8,.25) 34%,rgba(3,4,9,0) 48%,rgba(3,4,9,0) 60%,rgba(5,6,8,.55) 82%,#050608 100%)}
  .abt-hero__inner{display:flex;flex-direction:column;min-height:72svh;padding:clamp(84px,11vh,104px) 0 22px}
  .abt-hero__text{max-width:none;margin-top:0;display:flex;flex-direction:column}
  .abt-hero__cta{margin-top:20svh}                        /* кнопки сразу под логотипом */
  .abt-hero__title{font-size:clamp(2.2rem,8vw,3.1rem);overflow-wrap:normal;word-break:keep-all;hyphens:none}
  .abt-hero__title,.abt-hero .abt-eyebrow,.abt-hero .abt-lead{text-shadow:0 2px 22px rgba(3,4,9,.85)}
  .abt-scrollcue{display:none}
}
@media(max-width:640px){
  .abt-dirs__grid{grid-template-columns:1fr}
  .abt-principles__grid{grid-template-columns:1fr}
  .abt-stats__row{grid-template-columns:1fr}
  .abt-hero__cta{flex-direction:column}
  .abt-hero__cta .abt-cta,.abt-final__cta .abt-cta{width:100%;grid-template-columns:minmax(0,1fr) 40px}
  .abt-hero__cta .abt-cta__label,.abt-final__cta .abt-cta__label{justify-content:center}
}

/* ---- reduced motion ---- */
@media(prefers-reduced-motion:reduce){
  .mkr-about.has-reveal [data-reveal]{opacity:1;transform:none;transition:none}
  .abt-city__bloom,.abt-city__spark{opacity:.9;animation:none!important;transform:translate(-50%,-50%) scale(1)}
  .abt-city__ring{display:none}
  .abt-hero::after,.abt-scrollcue span{animation:none}
  .abt-cta__label,.abt-cta__icon,.abt-arrow{transition:none}
}