/* ============================================================
   Свой Ангар — общий стиль сайта
   Цвета и размеры меняются здесь, в :root
   ============================================================ */
:root{
  --bg:#ffffff;
  --bg-alt:#f5f5f7;
  --ink:#1d1d1f;
  --muted:#6e6e73;
  --line:#d2d2d7;
  --line-soft:#e8e8ed;
  --blue:#083FAB;          /* фирменный синий из роликов */
  --blue-hover:#0a4fd6;
  --blue-soft:#e8effc;
  --link:#0a52d6;
  --dark:#000000;
  --dark-2:#161617;
  --dark-3:#1d1d1f;
  --on-dark:#f5f5f7;
  --on-dark-muted:#a1a1a6;
  --on-dark-link:#6fa3ff;

  --r-sm:12px;
  --r:18px;
  --r-lg:28px;
  --pill:980px;

  --wrap:1120px;
  --gutter:clamp(16px,4vw,32px);
  --nav-h:52px;

  --ease:cubic-bezier(.28,.11,.32,1);
  --ease-out:cubic-bezier(.16,1,.3,1);

  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-display:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 12px)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.5;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
p{margin:0}
h1,h2,h3,h4{margin:0;font-family:var(--font-display);font-weight:700;letter-spacing:-.022em;text-wrap:balance}
button{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--link);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.nw{white-space:nowrap}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--gutter)*2);margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px}
.skip:focus{top:12px}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:var(--pill);border:0;background:var(--blue);color:#fff;font-size:17px;font-weight:500;letter-spacing:-.01em;cursor:pointer;text-decoration:none;transition:background-color .2s var(--ease),transform .2s var(--ease)}
.btn:hover{background:var(--blue-hover);text-decoration:none}
.btn:active{transform:scale(.97)}
.btn svg{width:18px;height:18px;flex:none}
.btn.small{min-height:36px;padding:0 16px;font-size:14px}
.btn.light{background:#fff;color:var(--ink)}
.btn.light:hover{background:#e8e8ed}
.btn.outline{background:transparent;color:var(--link);box-shadow:inset 0 0 0 1.5px currentColor}
.btn.outline:hover{background:var(--blue-soft)}
.more{display:inline-flex;align-items:center;gap:4px;font-size:17px;color:var(--link);min-height:44px}
.more::after{content:"";width:7px;height:7px;border-right:1.6px solid currentColor;border-top:1.6px solid currentColor;transform:rotate(45deg);margin-left:3px;transition:transform .2s var(--ease)}
.more:hover::after{transform:translateX(3px) rotate(45deg)}
.on-dark .more{color:var(--on-dark-link)}

/* ---------- навигация ---------- */
.nav{position:sticky;top:0;z-index:50;height:var(--nav-h);background:rgba(255,255,255,.72);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}
.nav.dark{background:rgba(22,22,23,.78);border-bottom-color:rgba(255,255,255,.08);color:var(--on-dark)}
.nav-in{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:9px;color:inherit;font-weight:600;font-size:17px;letter-spacing:-.01em;min-height:44px}
.brand:hover{text-decoration:none}
.brand svg{width:26px;height:22px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{color:inherit;opacity:.8;font-size:13px;letter-spacing:-.005em;transition:opacity .2s}
.nav-links a:hover,.nav-links a[aria-current="page"]{opacity:1;text-decoration:none}
.nav-right{display:flex;align-items:center;gap:6px}
.burger{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative;margin-right:-10px}
.burger span{position:absolute;left:13px;width:18px;height:1.5px;background:currentColor;border-radius:2px;transition:transform .3s var(--ease),top .3s var(--ease)}
.burger span:nth-child(1){top:18px}
.burger span:nth-child(2){top:25px}
.nav-open .burger span:nth-child(1){top:21.5px;transform:rotate(45deg)}
.nav-open .burger span:nth-child(2){top:21.5px;transform:rotate(-45deg)}
.menu{display:none}
@media (max-width:833px){
  .nav-links{display:none}
  .burger{display:block}
  .menu{display:block;position:fixed;inset:var(--nav-h) 0 0 0;z-index:49;background:rgba(255,255,255,.97);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:24px var(--gutter) 40px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility 0s .3s;overflow-y:auto}
  .nav-open .menu{opacity:1;visibility:visible;transform:none;transition:opacity .3s var(--ease),transform .3s var(--ease)}
  .menu ul{list-style:none;margin:0;padding:0}
  .menu a{display:block;padding:10px 0;font-size:28px;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
  .menu a:hover{text-decoration:none;color:var(--link)}
  .menu .btn{margin-top:28px;width:100%}
  body.nav-open{overflow:hidden}
}

/* ---------- секции ---------- */
.section{padding-block:clamp(72px,11vw,140px)}
.section.alt{background:var(--bg-alt)}
.section.on-dark{background:var(--dark);color:var(--on-dark)}
.eyebrow{font-size:clamp(17px,1.8vw,21px);font-weight:600;letter-spacing:-.01em;color:var(--blue);margin-bottom:10px}
.on-dark .eyebrow{color:var(--on-dark-link)}
.h-xl{font-size:clamp(44px,8.4vw,96px);line-height:1.04;letter-spacing:-.03em}
.h-lg{font-size:clamp(34px,5.6vw,64px);line-height:1.06;letter-spacing:-.028em}
.h-md{font-size:clamp(26px,3.4vw,40px);line-height:1.1;letter-spacing:-.022em}
.lede{font-size:clamp(19px,2.1vw,24px);line-height:1.38;letter-spacing:-.016em;color:var(--muted);max-width:40ch;font-weight:500}
.on-dark .lede{color:var(--on-dark-muted)}
.head{margin-bottom:clamp(36px,5vw,60px)}
.head.center{text-align:center}
.head.center .lede{margin-inline:auto}
.head .lede{margin-top:18px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.muted{color:var(--muted)}
.grad{background:linear-gradient(92deg,#8fb6ff 0%,#5b8ef7 45%,#c9dbff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- анимация появления ---------- */
/* прячем только когда JS точно работает: без JS класса js нет и всё видно */
html.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s var(--ease-out),transform .4s var(--ease-out);transition-delay:var(--d,0s)}
html.js .reveal.in{opacity:1;transform:none}
/* первый экран появляется сразу, без ожидания скрипта */
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
html.js .hero .reveal{opacity:1;transform:none;transition:none;animation:rise .4s var(--ease-out) both;animation-delay:var(--d,0s)}

/* ---------- hero ---------- */
.hero{background:var(--dark);color:var(--on-dark);text-align:center;padding-top:clamp(56px,9vw,110px);overflow:hidden}
.hero .eyebrow{color:var(--on-dark-muted);font-weight:500}
.hero h1{max-width:14ch;margin-inline:auto}
.hero .lede{margin:22px auto 0;color:var(--on-dark-muted);max-width:34ch}
.hero-cta{display:flex;align-items:center;justify-content:center;gap:14px 26px;flex-wrap:wrap;margin-top:34px}
.hero-media{margin-top:clamp(44px,7vw,80px);padding-inline:var(--gutter)}
.hero-frame{max-width:1280px;margin-inline:auto;border-radius:var(--r-lg);overflow:hidden;transform-origin:50% 0;will-change:transform;aspect-ratio:16/9;background:#111}
.hero-frame img{width:100%;height:100%;object-fit:cover}
@media (max-width:640px){.hero-frame{aspect-ratio:4/5}}
.hero-foot{padding-block:40px 64px}

/* цифры */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:left}
.stat{border-top:1px solid rgba(255,255,255,.18);padding-top:18px}
.stat b{display:block;font-family:var(--font-display);font-size:clamp(30px,4vw,48px);font-weight:700;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums;color:#fff}
.stat>span{display:block;margin-top:8px;font-size:14px;color:var(--on-dark-muted);line-height:1.35}
@media (max-width:760px){.stats{grid-template-columns:1fr 1fr;gap:28px 18px}}

/* ---------- калькулятор ---------- */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(20px,3vw,32px);align-items:stretch}
@media (max-width:900px){.calc{grid-template-columns:1fr}}
.panel{background:var(--bg);border-radius:var(--r-lg);padding:clamp(22px,3.4vw,40px)}
.ctrl+.ctrl{margin-top:30px}
.ctrl-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.ctrl-top label,.ctrl-top .lbl{font-size:15px;font-weight:600;color:var(--muted)}
.ctrl-top output{font-family:var(--font-display);font-size:28px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.range{-webkit-appearance:none;appearance:none;width:100%;height:44px;background:transparent;margin:6px 0 0;cursor:pointer;--p:50%}
.range::-webkit-slider-runnable-track{height:6px;border-radius:6px;background:linear-gradient(to right,var(--blue) var(--p),var(--line-soft) var(--p))}
.range::-moz-range-track{height:6px;border-radius:6px;background:var(--line-soft)}
.range::-moz-range-progress{height:6px;border-radius:6px;background:var(--blue)}
.range::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;margin-top:-11px;border-radius:50%;background:#fff;box-shadow:0 0 0 .5px rgba(0,0,0,.08),0 3px 10px rgba(0,0,0,.18);transition:transform .15s var(--ease)}
.range::-moz-range-thumb{width:28px;height:28px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 .5px rgba(0,0,0,.08),0 3px 10px rgba(0,0,0,.18)}
.range:active::-webkit-slider-thumb{transform:scale(1.12)}
.range:focus-visible{outline:none}
.range:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px rgba(10,82,214,.35),0 3px 10px rgba(0,0,0,.18)}
.ticks{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}

.segmented{position:relative;display:grid;grid-template-columns:1fr 1fr;background:var(--bg-alt);border-radius:14px;padding:4px;margin-top:12px}
.segmented button{position:relative;z-index:1;border:0;background:none;border-radius:11px;padding:11px 10px;min-height:56px;cursor:pointer;text-align:center;font-size:15px;font-weight:600;line-height:1.2;transition:color .25s}
.segmented button small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:2px}
.segmented .thumb{position:absolute;top:4px;bottom:4px;left:4px;width:calc(50% - 4px);background:#fff;border-radius:11px;box-shadow:0 2px 8px rgba(0,0,0,.1),0 0 0 .5px rgba(0,0,0,.04);transition:transform .4s var(--ease-out)}
.segmented[data-v="1"] .thumb{transform:translateX(100%)}
.segmented.on-alt{background:#e8e8ed}

.result{display:flex;flex-direction:column;background:var(--dark-3);color:var(--on-dark);border-radius:var(--r-lg);padding:clamp(22px,3.4vw,40px);overflow:hidden}
.plan{position:relative;border-radius:var(--r);background:
  linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px) 0 0/24px 24px,#111}
.plan svg{display:block;width:100%;height:auto}
.plan rect,.plan line,.plan text{transition:all .45s var(--ease-out)}
.total{margin-top:auto;padding-top:26px}
.total .lbl{font-size:14px;color:var(--on-dark-muted)}
.sum{font-family:var(--font-display);font-size:clamp(40px,6vw,60px);font-weight:700;letter-spacing:-.035em;line-height:1.05;font-variant-numeric:tabular-nums;margin-top:4px}
.per{font-size:15px;color:var(--on-dark-muted);margin-top:4px;font-variant-numeric:tabular-nums}
.result-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.result-cta .btn{flex:1 1 220px}
.btn.ghost-dark{background:rgba(255,255,255,.1);color:#fff}
.btn.ghost-dark:hover{background:rgba(255,255,255,.18)}
.note{font-size:13px;color:var(--muted);margin-top:22px;line-height:1.45}

/* ---------- плитки назначения ---------- */
.uses{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:1000px){.uses{grid-template-columns:repeat(2,1fr)}}
.use{background:var(--bg-alt);border-radius:var(--r);padding:26px 22px 24px;min-height:200px;display:flex;flex-direction:column;transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out)}
.use:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.use svg{width:40px;height:40px;color:var(--blue);margin-bottom:auto}
.use h3{font-size:21px;margin-top:28px;letter-spacing:-.02em}
.use p{font-size:15px;color:var(--muted);margin-top:6px;line-height:1.4}
@media (max-width:640px){
  .uses{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin-inline:calc(var(--gutter)*-1);padding-inline:var(--gutter);scroll-padding-inline:var(--gutter);scrollbar-width:none;padding-bottom:8px}
  .uses::-webkit-scrollbar{display:none}
  .use{flex:0 0 72%;scroll-snap-align:start;min-height:210px}
}

/* ---------- галерея ---------- */
.gallery{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding-inline:max(var(--gutter),calc((100vw - var(--wrap))/2));scroll-padding-inline:max(var(--gutter),calc((100vw - var(--wrap))/2));scrollbar-width:none;padding-bottom:6px}
.gallery::-webkit-scrollbar{display:none}
.shot{flex:0 0 min(78vw,760px);scroll-snap-align:start;margin:0;position:relative;border-radius:var(--r-lg);overflow:hidden;background:#111;color:#fff;aspect-ratio:4/3}
@media (max-width:640px){.shot{flex-basis:86vw;aspect-ratio:4/5}}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out)}
.shot:hover img{transform:scale(1.03)}
.shot figcaption{position:absolute;inset:auto 0 0 0;padding:70px clamp(20px,3vw,32px) clamp(20px,3vw,30px);background:linear-gradient(to top,rgba(0,0,0,.78),rgba(0,0,0,0));font-size:clamp(17px,1.9vw,21px);line-height:1.35;letter-spacing:-.015em;font-weight:500;color:rgba(255,255,255,.85)}
.shot figcaption b{color:#fff;font-weight:700}
.gal-nav{display:flex;justify-content:flex-end;gap:12px;margin-top:22px}
.circle{width:44px;height:44px;border-radius:50%;border:0;background:#e8e8ed;cursor:pointer;display:grid;place-items:center;transition:background-color .2s,opacity .2s}
.circle:hover{background:#dcdce1}
.circle:disabled{opacity:.4;cursor:default}
.circle svg{width:18px;height:18px}

/* ---------- шаги ---------- */
.steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,24px);margin-top:clamp(56px,8vw,96px);counter-reset:s}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-top:22px;border-top:1px solid var(--line)}
.step::before{counter-increment:s;content:"0" counter(s);font-family:var(--font-display);font-size:15px;font-weight:600;color:var(--blue)}
.step h3{font-size:24px;margin-top:10px}
.step p{font-size:16px;color:var(--muted);margin-top:8px;line-height:1.45}

/* ---------- цены ---------- */
.price-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.price-bar .segmented{width:min(100%,360px);margin:0}
.price-bar .segmented button{min-height:44px;padding:8px}
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:900px){.prices{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.prices{grid-template-columns:1fr;gap:10px}}
.price{background:var(--bg-alt);border-radius:var(--r);padding:24px;border:0;text-align:left;cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:transform .35s var(--ease-out),box-shadow .35s var(--ease-out)}
.price:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,0,0,.08)}
.price .size{font-family:var(--font-display);font-size:30px;font-weight:700;letter-spacing:-.03em;line-height:1.1}
.price .area{font-size:15px;color:var(--muted)}
.price .cost{font-size:21px;font-weight:600;letter-spacing:-.02em;margin-top:18px;font-variant-numeric:tabular-nums}
.price .go{font-size:14px;color:var(--link);margin-top:2px}
@media (max-width:520px){
  .price{flex-direction:row;flex-wrap:wrap;align-items:baseline;column-gap:12px;padding:18px 20px}
  .price .size{font-size:24px}
  .price .cost{margin-top:0;margin-left:auto;font-size:18px}
  .price .go{display:none}
}
.fine{font-size:13px;color:var(--muted);margin-top:22px;max-width:70ch;line-height:1.5}

/* ---------- статьи ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.cards{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cards{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;background:var(--bg);border-radius:var(--r);overflow:hidden;color:inherit;transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out);box-shadow:0 0 0 1px var(--line-soft)}
.section.alt .card{box-shadow:none}
.card:hover{text-decoration:none;transform:translateY(-4px);box-shadow:0 20px 44px rgba(0,0,0,.1)}
.card .cover{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.card .cover img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-out)}
.card:hover .cover img{transform:scale(1.04)}
.card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .meta{font-size:13px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap}
.card .meta .cat{color:var(--blue);font-weight:600}
.card h3{font-size:21px;line-height:1.22;letter-spacing:-.02em}
.card p{font-size:15px;color:var(--muted);line-height:1.45}
.card.featured{grid-column:1/-1;display:grid;grid-template-columns:1.3fr 1fr}
.card.featured .cover{aspect-ratio:auto;min-height:340px}
.card.featured .body{padding:clamp(24px,4vw,48px);justify-content:center}
.card.featured h3{font-size:clamp(26px,3.2vw,36px)}
.card.featured p{font-size:17px}
@media (max-width:760px){.card.featured{grid-template-columns:1fr}.card.featured .cover{min-height:0;aspect-ratio:16/10}}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
.chip{border:0;background:var(--bg-alt);border-radius:var(--pill);padding:0 16px;min-height:40px;font-size:15px;cursor:pointer;transition:background-color .2s,color .2s}
.chip:hover{background:#e8e8ed}
.chip[aria-pressed="true"]{background:var(--ink);color:#fff}
.empty{color:var(--muted);padding:40px 0}

/* ---------- вопросы ---------- */
.faq{max-width:820px;margin-inline:auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-size:clamp(19px,2.2vw,24px);font-weight:600;letter-spacing:-.02em;line-height:1.25;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex:none;width:28px;height:28px;border-radius:50%;background:var(--bg-alt);position:relative;transition:transform .4s var(--ease-out),background-color .2s}
.faq summary .pm::before,.faq summary .pm::after{content:"";position:absolute;left:8px;right:8px;top:13.25px;height:1.5px;background:var(--ink);border-radius:2px}
.faq summary .pm::after{transform:rotate(90deg);transition:transform .4s var(--ease-out)}
.faq details[open] .pm{transform:rotate(180deg)}
.faq details[open] .pm::after{transform:rotate(0)}
.faq .ans{overflow:hidden}
.faq .ans p{padding-bottom:26px;color:var(--muted);font-size:17px;line-height:1.55;max-width:68ch}

/* ---------- финальный CTA ---------- */
.cta{text-align:center}
.cta .lede{margin:20px auto 0}
.chat{max-width:440px;margin:44px auto 0;text-align:left;display:flex;flex-direction:column;gap:8px}
.bubble{align-self:flex-end;max-width:88%;background:var(--blue);color:#fff;padding:12px 16px;border-radius:20px 20px 6px 20px;font-size:15px;line-height:1.4}
.bubble.bot{align-self:flex-start;background:#2c2c2e;border-radius:20px 20px 20px 6px;color:var(--on-dark)}
.bubble b{font-variant-numeric:tabular-nums}

/* ---------- футер ---------- */
.footer{background:var(--bg-alt);color:var(--muted);font-size:13px;padding-block:28px 40px;line-height:1.5}
.footer .row{display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap}
.footer nav{display:flex;gap:20px;flex-wrap:wrap}
.footer a{color:var(--ink)}
.footer .top-line{padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--line)}

/* ---------- липкая кнопка на телефоне ---------- */
.dock{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:40;display:none;align-items:center;gap:12px;padding:10px 10px 10px 18px;border-radius:var(--pill);background:rgba(29,29,31,.86);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);color:#fff;box-shadow:0 10px 30px rgba(0,0,0,.25);transform:translateY(140%);transition:transform .5s var(--ease-out)}
.dock.show{transform:none}
.dock .d-sum{flex:1;min-width:0;line-height:1.2}
.dock .d-sum small{display:block;font-size:12px;color:var(--on-dark-muted)}
.dock .d-sum b{font-size:17px;font-variant-numeric:tabular-nums;white-space:nowrap}
.dock .btn{min-height:44px;padding:0 18px;font-size:15px}
@media (max-width:760px){.dock{display:flex}}

.toast{position:fixed;left:50%;bottom:calc(90px + env(safe-area-inset-bottom,0px));transform:translate(-50%,20px);opacity:0;background:var(--ink);color:#fff;padding:12px 18px;border-radius:var(--pill);font-size:15px;z-index:60;transition:opacity .3s,transform .3s var(--ease-out);pointer-events:none;white-space:nowrap}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============================================================
   Страница статьи
   ============================================================ */
.crumbs{font-size:13px;color:var(--muted);display:flex;gap:6px;flex-wrap:wrap;padding-top:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--ink)}
.art-head{max-width:820px;margin:0 auto;padding-top:clamp(28px,5vw,60px);text-align:center}
.art-head .cat{display:inline-block;color:var(--blue);font-weight:600;font-size:15px;margin-bottom:14px}
.art-head h1{font-size:clamp(34px,5.4vw,60px);line-height:1.08;letter-spacing:-.03em}
.art-head .desc{font-size:clamp(19px,2vw,23px);color:var(--muted);line-height:1.4;margin-top:20px;letter-spacing:-.015em}
.art-head .meta{font-size:14px;color:var(--muted);margin-top:22px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.art-cover{max-width:1120px;margin:clamp(32px,5vw,56px) auto 0;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/9;background:var(--bg-alt)}
.art-cover img{width:100%;height:100%;object-fit:cover}
@media (max-width:640px){.art-cover{border-radius:var(--r);aspect-ratio:4/3}}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:56px;max-width:1000px;margin:clamp(40px,6vw,72px) auto 0}
@media (max-width:1000px){.art-layout{grid-template-columns:minmax(0,1fr);max-width:700px}}
.art-layout>*{min-width:0}
.toc{position:sticky;top:calc(var(--nav-h) + 24px);align-self:start;font-size:14px;order:2}
.toc p{font-weight:600;margin-bottom:10px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc a{display:block;padding:6px 0 6px 14px;margin-left:-1px;color:var(--muted);border-left:2px solid transparent;line-height:1.35}
.toc a:hover{color:var(--ink);text-decoration:none}
.toc a.active{color:var(--ink);border-left-color:var(--blue)}
@media (max-width:1000px){.toc{display:none}}

.prose{font-size:19px;line-height:1.65;letter-spacing:-.012em;max-width:680px}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(26px,3vw,32px);line-height:1.18;margin-top:2em;letter-spacing:-.025em}
.prose h3{font-size:22px;line-height:1.25;margin-top:1.6em}
.prose p,.prose li{color:#333336}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose li::marker{color:var(--blue)}
.prose strong{color:var(--ink)}
.prose a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.prose blockquote{margin:1.6em 0;padding:4px 0 4px 22px;border-left:3px solid var(--blue);font-size:21px;line-height:1.5;color:var(--ink);font-weight:500}
.prose img{border-radius:var(--r);margin-block:1.6em;width:100%}
.prose figure{margin:1.6em 0}
.prose figcaption{font-size:14px;color:var(--muted);margin-top:-.8em}
.prose hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.prose .table{overflow-x:auto;margin-inline:calc(var(--gutter)*-1);padding-inline:var(--gutter)}
.prose table{width:100%;border-collapse:collapse;font-size:16px;font-variant-numeric:tabular-nums;min-width:460px}
.prose th,.prose td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line-soft)}
.prose th{font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1.5px solid var(--ink)}
.prose code{font-size:.88em;background:var(--bg-alt);padding:2px 6px;border-radius:6px}

.inline-cta{margin:clamp(40px,6vw,64px) 0 0;background:var(--dark-3);color:var(--on-dark);border-radius:var(--r-lg);padding:clamp(26px,4vw,44px);display:flex;align-items:center;justify-content:space-between;gap:20px 28px;flex-wrap:wrap}
.inline-cta h2{font-size:clamp(24px,3vw,32px);line-height:1.15;max-width:18ch}
.inline-cta p{color:var(--on-dark-muted);margin-top:8px;font-size:16px;max-width:38ch}
.share{display:flex;align-items:center;gap:10px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:15px;color:var(--muted);flex-wrap:wrap}
.share button,.share a{border:0;background:var(--bg-alt);border-radius:var(--pill);min-height:40px;padding:0 16px;cursor:pointer;color:var(--ink);font-size:14px;display:inline-flex;align-items:center}
.share button:hover,.share a:hover{background:#e8e8ed;text-decoration:none}

.progress{position:fixed;top:var(--nav-h);left:0;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:var(--blue);z-index:51}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.js .reveal,html.js .hero .reveal{opacity:1;transform:none;animation:none}
}

/* ============================================================
   Модель ангара: первый экран и калькулятор
   ============================================================ */
.stage{position:relative;margin-top:clamp(28px,5vw,56px)}
.stage-in{position:relative;max-width:1100px;margin-inline:auto;padding-inline:var(--gutter)}
.stage-in::before{content:"";position:absolute;left:50%;top:58%;width:80%;height:70%;transform:translate(-50%,-50%);background:radial-gradient(closest-side,rgba(40,100,255,.35),rgba(40,100,255,0));filter:blur(20px);pointer-events:none}
.hangar{position:relative;display:block;width:100%;height:auto;overflow:visible}
.hangar .floor{fill:rgba(111,163,255,.05);stroke:rgba(111,163,255,.35);stroke-width:1;stroke-dasharray:4 5}
.hangar .rib{fill:none;stroke:#6fa3ff;stroke-width:1.6;stroke-linejoin:round}
.hangar .purl{fill:none;stroke:rgba(111,163,255,.5);stroke-width:1}
.hangar .sk{stroke-width:.7;stroke-linejoin:round}
.hangar .gab{fill:#8f9aac;stroke:#8f9aac;stroke-width:.7}
.hangar .gate{fill:#1f2631;stroke:#3b4556;stroke-width:1}
.hangar .gate-l path{stroke:rgba(255,255,255,.14);stroke-width:1}
.hangar .dim{stroke:#8e8e93;stroke-width:1.2;marker-start:none}
.hangar .dim-t{fill:#d1d1d6;font:600 22px var(--font)}

/* сборка: каркас рисуется, потом обшивка, потом торец */
.hangar.build .rib,.hangar.build .purl{stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .8s var(--ease-out) var(--dl,0s)}
.hangar.build.go .rib,.hangar.build.go .purl{stroke-dashoffset:0}
.hangar.build .sk{opacity:0;transition:opacity .45s ease var(--dl,0s)}
.hangar.build .gable{opacity:0;transform:translateY(-6px);transition:opacity .6s ease 1.2s,transform .8s var(--ease-out) 1.2s}
.hangar.build.go2 .sk{opacity:1}
.hangar.build.go2 .gable{opacity:1;transform:none}

.replay{position:absolute;right:calc(var(--gutter) + 4px);bottom:4px;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.1);color:#fff;cursor:pointer;display:grid;place-items:center;opacity:0;transition:opacity .4s,background-color .2s}
.replay svg{width:18px;height:18px}
.replay:hover{background:rgba(255,255,255,.18)}
.built .replay{opacity:1}

/* точки-выноски */
.hot{position:absolute;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;background:#fff;color:#000;font:700 14px/30px var(--font);text-align:center;box-shadow:0 0 0 6px rgba(255,255,255,.18);opacity:0;transform:scale(.4);transition:opacity .4s,transform .5s var(--ease-out);pointer-events:none}
.built .hot{opacity:1;transform:none}
.built .hot::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1.5px solid rgba(255,255,255,.55);animation:ping 2.4s var(--ease-out) infinite}
@keyframes ping{from{transform:scale(1);opacity:.9}to{transform:scale(1.9);opacity:0}}
.callouts{list-style:none;margin:clamp(20px,3vw,36px) auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:c;text-align:left}
.callouts li{counter-increment:c;position:relative;padding-left:42px}
.callouts li::before{content:counter(c);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:#fff;color:#000;font:700 14px/28px var(--font);text-align:center}
.callouts b{display:block;font-size:17px;color:#fff;letter-spacing:-.015em;line-height:1.3}
.callouts span{display:block;font-size:14px;color:var(--on-dark-muted);margin-top:4px;line-height:1.4}
@media (max-width:760px){.callouts{grid-template-columns:1fr;gap:16px}}

/* калькулятор: модель и кнопки − / + */
.plan{position:relative;padding:6px 4px 0}
.plan .hangar .dim-t{font-size:38px}
.plan .hangar .dim{stroke-width:2}
.plan-area{position:absolute;left:18px;top:14px;font-family:var(--font-display);font-weight:700;font-size:22px;letter-spacing:-.02em;color:#fff;font-variant-numeric:tabular-nums}
.stepper{display:flex;align-items:center;gap:6px}
.stepper output{min-width:78px;text-align:center}
.step-btn{width:36px;height:36px;border-radius:50%;border:0;background:var(--bg-alt);font-size:20px;line-height:1;cursor:pointer;display:grid;place-items:center;transition:background-color .2s,transform .15s;position:relative}
.step-btn::after{content:"";position:absolute;inset:-4px}
.step-btn:hover{background:#e8e8ed}
.step-btn:active{transform:scale(.92)}
@media (max-width:640px){
  .stage-in{padding-inline:0;margin-inline:-6px}
  .stage-in::before{width:110%}
  .replay{right:10px}
}

/* без JavaScript модель не нарисуется — не оставляем пустое место, подписи к ней остаются */
html:not(.js) .stage-in{display:none}