:root{
  --bg:#050407;--v:#5d03a5;--vs:#c68dff;--c:#6fd3ff;--t:#fff;
  --mut:rgba(255,255,255,.62);--ln:rgba(198,141,255,.18);
  --h:'Unbounded',sans-serif;--m:'JetBrains Mono',monospace;--b:'Manrope',system-ui,sans-serif;
  --wrap:max(64px,calc((100vw - 1200px) / 2));
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;overflow-x:clip}
body{background:var(--bg);color:var(--t);font:16px/1.65 var(--b);-webkit-font-smoothing:antialiased}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--v);color:#fff}
.defs{position:absolute}

/* фон */
#trace{position:fixed;inset:0;z-index:0;pointer-events:none}
.grid-glow{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(130,140,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(130,140,255,.045) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%);
          mask:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 100%)}
body::after{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 120% 90% at 50% 50%,transparent 55%,rgba(0,0,0,.75))}

/* шапка */
.top{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;gap:32px;
  padding:20px var(--wrap);border-bottom:1px solid transparent;transition:padding .4s,background .4s,border-color .4s}
.top.scrolled{padding-top:10px;padding-bottom:10px;background:rgba(5,4,7,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--ln)}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo img{display:block;filter:invert(1);mix-blend-mode:screen}
.logo span{font:400 16px/1 var(--h);letter-spacing:.12em;text-transform:uppercase}
.logo small{display:block;margin-top:6px;font:400 10px var(--m);letter-spacing:.16em;color:var(--mut);text-transform:none}
.nav{display:flex;gap:30px;margin-left:auto}
.nav a{position:relative;font:500 12px var(--m);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--mut);transition:color .3s,text-shadow .3s}
.nav a::after{content:"";position:absolute;left:50%;bottom:-9px;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;
  background:var(--vs);box-shadow:0 0 8px var(--vs),0 0 16px var(--v);opacity:0;transform:scale(0);transition:.35s}
.nav a:hover,.nav a.active{color:#fff;text-shadow:0 0 12px rgba(198,141,255,.7)}
.nav a:hover::after,.nav a.active::after{opacity:1;transform:scale(1)}
.top__tel{display:flex;align-items:center;gap:10px;font:400 14px var(--h);text-decoration:none;white-space:nowrap}
.top__tel i{width:8px;height:8px;border-radius:50%;background:var(--vs);box-shadow:0 0 10px var(--vs),0 0 20px var(--v);animation:breathe 2.4s ease-in-out infinite}
@keyframes breathe{50%{opacity:.35}}
.burger{display:none;width:40px;height:40px;margin-left:auto;border:1px solid var(--ln);border-radius:50%;background:none;
  flex-direction:column;justify-content:center;align-items:center;gap:6px;cursor:pointer}
.burger i{width:16px;height:1px;background:#fff}

/* рейка прокрутки */
.rail{position:fixed;left:28px;top:50%;z-index:40;width:1px;height:38vh;transform:translateY(-50%);background:var(--ln)}
.rail__fill{position:absolute;inset:0;background:linear-gradient(var(--v),var(--vs));transform-origin:top;transform:scaleY(0);box-shadow:0 0 8px var(--vs)}
.rail__dot{position:absolute;left:-4px;top:0;width:9px;height:9px;margin-top:-4.5px;border-radius:50%;background:#fff;
  box-shadow:0 0 8px #fff,0 0 18px var(--vs),0 0 34px var(--v)}

/* разделы без швов — разделены линией с бегущей точкой */
.sec{position:relative;z-index:2;padding:150px var(--wrap) 130px}
.sec+.sec::before{content:"";position:absolute;top:0;left:var(--wrap);right:var(--wrap);height:1px;
  background:linear-gradient(90deg,transparent,var(--ln) 15%,var(--ln) 85%,transparent)}
.sec+.sec::after{content:"";position:absolute;top:-2px;left:var(--wrap);width:5px;height:5px;border-radius:50%;background:#fff;
  box-shadow:0 0 6px #fff,0 0 14px var(--vs),0 0 28px var(--v);animation:runline 9s linear infinite}
@keyframes runline{0%{left:var(--wrap);opacity:0}8%,92%{opacity:1}100%{left:calc(100% - var(--wrap));opacity:0}}

/* типографика и появление */
.kicker{display:flex;align-items:center;gap:14px;font:500 12px var(--m);letter-spacing:.2em;text-transform:uppercase;color:var(--vs)}
.kicker::before{content:"";flex:none;width:7px;height:7px;border:1px solid var(--vs);transform:rotate(45deg);box-shadow:0 0 8px var(--vs)}
.h1,.h2{font-family:var(--h);font-weight:300;line-height:1.1;letter-spacing:-.01em}
.h1{font-size:clamp(38px,5.2vw,78px);margin:22px 0 26px}
.h2{max-width:920px;font-size:clamp(30px,3.8vw,56px);margin:18px 0 64px}
.h1 em,.h2 em{font-style:normal;color:var(--vs);text-shadow:0 0 18px rgba(198,141,255,.55),0 0 42px rgba(93,3,165,.85)}
.split .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em}
.split .w>span{display:inline-block;transform:translateY(110%);transition:transform 1.1s cubic-bezier(.2,.8,.2,1) calc(var(--i) * 70ms)}
.split.in .w>span{transform:none}
.rv{opacity:0;filter:blur(8px);transform:translateY(24px);
  transition:opacity 1s var(--d,0s),filter 1s var(--d,0s),transform 1s cubic-bezier(.2,.8,.2,1) var(--d,0s)}
.rv.in{opacity:1;filter:none;transform:none}

/* главная */
.hero{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:center;padding-top:130px}
.lead{max-width:540px;font-size:17px;color:var(--mut)}
.lead b{color:#fff;font-weight:600}
.cta{display:flex;flex-wrap:wrap;gap:16px;margin:38px 0 48px}
.facts{list-style:none;display:flex;flex-wrap:wrap;gap:34px}
.facts li{font:400 11px var(--m);letter-spacing:.12em;text-transform:uppercase;color:var(--mut)}
.facts b{display:block;font:300 32px/1.15 var(--h);letter-spacing:0;color:#fff}
.facts li:last-child b{color:var(--vs);text-shadow:0 0 14px var(--vs),0 0 34px var(--v)}
.plan{display:block;width:100%;overflow:visible}
.plan .tp{fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;filter:url(#glow)}
.L-w .tp{stroke:rgba(255,255,255,.88)}
.L-ov .tp{stroke:#9b5cff;stroke-width:2.2}
.L-vk .tp{stroke:var(--c)}
.L-eom .tp{stroke:var(--vs)}
.L-dim .tp{stroke:rgba(255,255,255,.35);stroke-width:1}
.plan text{font:400 11px var(--m);fill:var(--mut);opacity:0;transition:opacity 1.2s}
.plan.live text{opacity:1}
.tdot{fill:#fff;filter:url(#glowL);transition:opacity .8s}
.tdot.off{opacity:0}
.legend{display:flex;flex-wrap:wrap;gap:26px;margin-top:22px;font:400 11px var(--m);letter-spacing:.14em;color:var(--mut)}
.legend i{display:inline-block;width:28px;height:2px;margin-right:9px;vertical-align:middle}
.lg-w{background:#fff;box-shadow:0 0 6px #fff}
.lg-ov{background:#9b5cff;box-shadow:0 0 8px #9b5cff;height:3px !important}
.lg-vk{background:repeating-linear-gradient(90deg,var(--c) 0 6px,transparent 6px 10px);box-shadow:0 0 6px var(--c)}
.lg-eom{background:var(--vs);box-shadow:0 0 8px var(--vs)}

/* кнопки */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;padding:17px 32px;
  border:1px solid var(--vs);border-radius:40px;background:var(--v);color:#fff;
  font:500 12px var(--m);letter-spacing:.16em;text-transform:uppercase;text-decoration:none;cursor:pointer;
  box-shadow:0 0 18px rgba(93,3,165,.7),0 0 46px rgba(93,3,165,.35),inset 0 0 12px rgba(198,141,255,.35);
  transition:box-shadow .4s,transform .4s,background .4s}
.btn:hover{transform:translateY(-2px);background:#7410c9;
  box-shadow:0 0 24px rgba(198,141,255,.7),0 0 70px rgba(93,3,165,.6),inset 0 0 14px rgba(198,141,255,.5)}
.btn--line{background:transparent;border-color:rgba(255,255,255,.35);box-shadow:none}
.btn--line:hover{background:rgba(198,141,255,.08);border-color:var(--vs);box-shadow:0 0 22px rgba(198,141,255,.35)}
.btn:disabled{opacity:.5;cursor:wait}

/* услуги */
.cards{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ln);border-left:1px solid var(--ln)}
.card{position:relative;padding:28px 26px 34px;border-right:1px solid var(--ln);border-bottom:1px solid var(--ln);transition:background .6s}
.card:hover{background:radial-gradient(circle at 50% 30%,rgba(93,3,165,.25),transparent 70%)}
.card__n{font:400 11px var(--m);letter-spacing:.16em;color:var(--vs)}
.card h3{margin-bottom:10px;font:400 16px/1.3 var(--h)}
.card p{font-size:14px;color:var(--mut)}

/* иконки из светящихся линий */
.ico{display:block;width:120px;height:120px;margin:10px auto 20px;overflow:hidden}
.ico *{transform-box:fill-box}
.ico .tp{fill:none;stroke:var(--vs);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;filter:url(#glow)}
.ico .mv{fill:none;stroke:#fff;stroke-width:1.2;stroke-linecap:round;opacity:0;transition:opacity .8s;filter:url(#glow)}
.ico.live .mv{opacity:1}

.ico.live .pr-sheet{animation:prOut 3.2s cubic-bezier(.4,0,.2,1) infinite}
@keyframes prOut{0%{transform:translateY(0);opacity:0}15%{opacity:1}75%{transform:translateY(36px);opacity:1}100%{transform:translateY(40px);opacity:0}}

.ico .cp-scan{stroke:var(--c);stroke-width:2.4}
.ico.live .cp-scan{animation:scanX 2.4s ease-in-out infinite alternate}
@keyframes scanX{from{transform:translateX(0)}to{transform:translateX(68px)}}
.ico.live .cp-sheet{animation:cpOut 4.8s cubic-bezier(.4,0,.2,1) infinite}
@keyframes cpOut{0%,45%{transform:translateY(0);opacity:0}55%{opacity:1}90%{transform:translateY(32px);opacity:1}100%{transform:translateY(34px);opacity:0}}

.ico .sc-light{stroke:var(--c);stroke-width:2}
.ico.live .sc-light{animation:breathe 1.2s ease-in-out infinite}
.ico.live .sc-sheet{animation:scIn 3.6s cubic-bezier(.4,0,.2,1) infinite}
@keyframes scIn{0%{transform:translateY(-22px);opacity:0}20%{transform:translateY(0);opacity:1}70%{transform:translateY(48px);opacity:1}100%{transform:translateY(48px);opacity:0}}
.ico.live .sc-out{animation:scOut 3.6s cubic-bezier(.4,0,.2,1) infinite}
@keyframes scOut{0%,50%{transform:translateY(0);opacity:0}60%{opacity:1}95%{transform:translateY(30px);opacity:1}100%{opacity:0}}

.ico .coil{stroke:#fff;stroke-dasharray:1;stroke-dashoffset:1}
.ico.live .coil{animation:coil 3.6s ease-in-out infinite;animation-delay:calc(var(--i) * .16s)}
@keyframes coil{0%{stroke-dashoffset:1;opacity:.15}25%,75%{stroke-dashoffset:0;opacity:1}100%{stroke-dashoffset:-1;opacity:.15}}

.ico .fold{stroke:#fff}

.ico.live .wheel{transform-origin:50% 50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ico .road{stroke:var(--c);stroke-dasharray:10 8}
.ico.live .road{animation:road .6s linear infinite}
@keyframes road{to{stroke-dashoffset:-18}}
.ico .speed{stroke:var(--c)}
.ico.live .speed{animation:breathe .8s ease-in-out infinite}

.ico.live .lens{animation:lens 4.5s ease-in-out infinite}
@keyframes lens{0%,100%{transform:translate(0,0)}25%{transform:translate(-30px,-34px)}50%{transform:translate(-14px,-12px)}75%{transform:translate(-36px,-6px)}}
.ico .check{stroke:var(--c);stroke-width:2;stroke-dasharray:1;stroke-dashoffset:1}
.ico.live .check{animation:check 4.5s ease-in-out infinite}
@keyframes check{0%,55%{stroke-dashoffset:1}75%,95%{stroke-dashoffset:0}100%{stroke-dashoffset:0;opacity:0}}

.ico.live .spin{transform-origin:50% 50%;animation:spin 1.6s linear infinite}
.ico.live .spin--r{animation-direction:reverse}
.ico .lam-sheet{stroke:var(--c)}
.ico.live .lam-sheet{animation:lam 3s linear infinite}
@keyframes lam{from{transform:translateX(0)}to{transform:translateX(170px)}}

/* преимущества */
.adv{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ln)}
.adv li{display:flex;gap:24px;padding:36px 30px 40px;border-bottom:1px solid var(--ln)}
.adv li:not(:nth-child(3n)){border-right:1px solid var(--ln)}
.adv h3{margin-bottom:8px;font:400 17px/1.3 var(--h)}
.adv p{font-size:14px;color:var(--mut)}
.neon{flex:none;min-width:84px;font:300 52px/1 var(--h);color:#f6eaff;
  text-shadow:0 0 3px #fff,0 0 10px var(--vs),0 0 24px var(--vs),0 0 48px var(--v),0 0 90px var(--v);
  animation:neon 6s ease-in-out infinite;animation-delay:var(--fd,0s)}
@keyframes neon{
  0%,100%{opacity:1;text-shadow:0 0 3px #fff,0 0 10px var(--vs),0 0 24px var(--vs),0 0 48px var(--v),0 0 90px var(--v)}
  45%{opacity:.85;text-shadow:0 0 2px #fff,0 0 6px var(--vs),0 0 14px var(--v),0 0 30px var(--v)}
  50%{opacity:.55}51%{opacity:.9}53%{opacity:.6}55%{opacity:.95}
}

/* прайс */
.price{display:grid;grid-template-columns:280px minmax(0,1fr);gap:64px;align-items:start}
.fmt{position:sticky;top:110px}
.fmt svg{display:block;width:100%;overflow:visible}
.fmt rect{fill:rgba(93,3,165,0);stroke:rgba(198,141,255,.4);stroke-width:1.2;vector-effect:non-scaling-stroke;transition:fill .45s,stroke .45s}
.fmt rect.on{fill:rgba(93,3,165,.3);stroke:var(--vs);filter:url(#glow)}
.fmt text{font:400 56px var(--m);fill:var(--mut)}
.fmt__info{margin-top:18px;font:400 13px var(--m);letter-spacing:.06em;color:var(--vs);min-height:20px}
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.tabs button{padding:10px 18px;border:1px solid var(--ln);border-radius:30px;background:none;cursor:pointer;
  font:500 11px var(--m);letter-spacing:.14em;text-transform:uppercase;color:var(--mut);transition:.3s}
.tabs button:hover{color:#fff;border-color:var(--vs)}
.tabs button.active{color:#fff;background:var(--v);border-color:var(--vs);box-shadow:0 0 16px rgba(93,3,165,.8)}
.pt{display:none;width:100%;border-collapse:collapse}
.pt.active{display:table}
.pt caption{caption-side:top;text-align:left;margin-bottom:18px;font:300 22px var(--h)}
.pt th{padding:0 0 12px;text-align:left;font:500 10px var(--m);letter-spacing:.16em;text-transform:uppercase;color:var(--mut);border-bottom:1px solid var(--ln)}
.pt th:not(:first-child),.pt td:not(:first-child){text-align:right}
.pt td{padding:15px 0;font-size:15px;transition:color .3s,text-shadow .3s}
.pt td:not(:first-child){font:300 20px var(--h);white-space:nowrap}
.pt td:not(:first-child):not(.nr)::after{content:" ₽";font-size:.65em;color:var(--mut)}
.pt td.nr{font:400 14px var(--m) !important;color:var(--vs)}
.pt tbody tr{opacity:0;transform:translateX(-14px);
  background:linear-gradient(90deg,var(--vs),rgba(111,211,255,.7),transparent) no-repeat 0 100% / 0 1px,
             linear-gradient(rgba(255,255,255,.07),rgba(255,255,255,.07)) no-repeat 0 100% / 100% 1px;
  transition:opacity .6s calc(var(--i,0) * 70ms),transform .6s cubic-bezier(.2,.8,.2,1) calc(var(--i,0) * 70ms),background-size .7s}
.pt.show tbody tr{opacity:1;transform:none}
.pt tbody tr.lit,.pt tbody tr:hover{background-size:100% 1px,100% 1px}
.pt tbody tr:hover td{color:#fff;text-shadow:0 0 12px rgba(198,141,255,.6)}
.pr__note{margin-top:28px;font:400 12px var(--m);letter-spacing:.06em;color:var(--mut)}

/* калькулятор */
.calc{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:50px;align-items:start}
.c-head,.c-row{display:grid;grid-template-columns:26px 1.3fr 1fr 120px 80px 64px 110px 32px;gap:14px;align-items:center}
.c-head{padding-bottom:10px;border-bottom:1px solid var(--ln);font:500 10px var(--m);letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
.c-row{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07);animation:rowIn .5s cubic-bezier(.2,.7,.2,1);transition:opacity .3s,transform .3s}
@keyframes rowIn{from{opacity:0;transform:translateY(-10px)}}
.c-row.out{opacity:0;transform:translateX(40px)}
.c-n{font:300 18px var(--h);color:var(--vs);text-shadow:0 0 10px var(--v)}
.c-row select,.c-row input[type=number]{width:100%;padding:8px 2px;font-size:14px}
.seg{display:flex;border:1px solid var(--ln);border-radius:30px;overflow:hidden}
.seg button{flex:1;padding:8px 4px;background:none;border:0;cursor:pointer;font:500 11px var(--m);letter-spacing:.08em;color:var(--mut);transition:.3s}
.seg button.active{background:var(--v);color:#fff;box-shadow:inset 0 0 10px rgba(198,141,255,.5)}
.seg.off,.c-foldw.off{opacity:.25;pointer-events:none}
.c-foldw{font-size:11px}
.c-sum{text-align:right;white-space:nowrap;font:300 17px var(--h)}
.c-del{width:32px;height:32px;border:1px solid var(--ln);border-radius:50%;background:none;cursor:pointer;font:400 16px/1 var(--m);color:var(--mut);transition:.3s}
.c-del:hover:not(:disabled){border-color:var(--vs);color:#fff;box-shadow:0 0 12px var(--v)}
.c-del:disabled{opacity:.2;cursor:default}
.c-add{margin-top:20px;padding:12px 22px;border:1px dashed var(--vs);border-radius:30px;background:none;cursor:pointer;
  font:500 11px var(--m);letter-spacing:.16em;text-transform:uppercase;color:var(--vs);transition:.3s}
.c-add:hover{background:rgba(93,3,165,.25);box-shadow:0 0 18px rgba(93,3,165,.6)}
.calc__result{position:sticky;top:110px;padding:34px 28px;text-align:center;border:1px solid var(--ln);border-radius:20px;
  background:radial-gradient(circle at 50% 0,rgba(93,3,165,.35),transparent 70%)}
.calc__result p{font:500 11px var(--m);letter-spacing:.18em;text-transform:uppercase;color:var(--mut)}
.calc__result output{display:block;margin:14px 0 10px;font:300 clamp(40px,4.5vw,58px)/1 var(--h);text-shadow:0 0 14px var(--vs),0 0 40px var(--v)}
.calc__result small{display:block;margin-bottom:8px;font:400 12px var(--m);color:var(--mut)}
.calc__result .c-deliv{margin-bottom:26px;color:var(--c)}
.steps{position:relative;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:100px}
.steps::before{content:"";position:absolute;top:26px;left:6%;right:6%;height:1px;background:linear-gradient(90deg,var(--v),var(--vs),var(--c))}
.steps li{position:relative;text-align:center;font-size:15px;color:var(--mut)}
.steps b{display:grid;place-items:center;width:52px;height:52px;margin:0 auto 16px;border:1px solid var(--vs);border-radius:50%;
  background:var(--bg);font:300 20px var(--h);color:#fff;box-shadow:0 0 16px rgba(93,3,165,.8),inset 0 0 10px rgba(198,141,255,.3)}

/* поля */
label{display:flex;flex-direction:column;gap:6px;font:500 11px var(--m);letter-spacing:.14em;text-transform:uppercase;color:var(--mut)}
input,select,textarea{padding:12px 2px;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.25);border-radius:0;outline:none;
  font:500 16px var(--b);letter-spacing:0;text-transform:none;color:#fff;transition:border-color .3s,box-shadow .3s}
input:focus,select:focus,textarea:focus{border-color:var(--vs);box-shadow:0 8px 14px -12px var(--vs)}
select option{background:#0d0a14;color:#fff}
textarea{resize:vertical}
.chk{flex-direction:row;align-items:center;gap:10px;text-transform:none;letter-spacing:.02em;font:400 13px var(--b)}
.chk input{width:18px;height:18px;accent-color:var(--v)}

/* заказ */
.order{display:grid;grid-template-columns:1.25fr 1fr;gap:70px}
.form{display:grid;gap:24px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.hp{position:absolute;left:-9999px}
.drop{position:relative;padding:34px;text-align:center;border:1px dashed rgba(198,141,255,.45);border-radius:18px;transition:.35s}
.drop:hover,.drop.over{border-color:var(--vs);background:rgba(93,3,165,.15);box-shadow:0 0 30px rgba(93,3,165,.45),inset 0 0 30px rgba(93,3,165,.25)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.drop b{font:400 17px var(--h)}
.drop small{font:400 11px var(--m);color:var(--mut)}
.drop ul{list-style:none;margin-top:12px;text-align:left;font:400 13px var(--m)}
.drop li::before{content:"● ";color:var(--vs);text-shadow:0 0 8px var(--vs)}
.form__status{min-height:22px;font:500 13px var(--m)}
.form__status.ok{color:var(--c)}
.form__status.err{color:#ff8fb1}
.contacts .big-tel{display:block;font:300 38px/1.15 var(--h);text-decoration:none;text-shadow:0 0 18px rgba(198,141,255,.45)}
.contacts .big-tel--2{margin-bottom:20px;font-size:26px;color:var(--mut);text-shadow:none}
.contacts .mail{display:block;margin:16px 0 8px;font:500 15px var(--m);color:var(--vs)}
.addr{color:var(--mut)}
.faq{margin-top:34px;border-top:1px solid var(--ln)}
.faq details{padding:14px 0;border-bottom:1px solid var(--ln)}
.faq summary{display:flex;justify-content:space-between;gap:16px;list-style:none;cursor:pointer;font:400 15px var(--h)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--vs);text-shadow:0 0 8px var(--vs)}
.faq details[open] summary::after{content:"−"}
.faq p{margin-top:8px;font-size:14px;color:var(--mut)}

.foot{position:relative;z-index:2;padding:34px var(--wrap);border-top:1px solid var(--ln);font:400 12px/1.7 var(--m);color:rgba(255,255,255,.45)}

/* кнопка звонка */
.call{position:fixed;right:24px;bottom:24px;z-index:45;display:grid;place-items:center;width:60px;height:60px;border-radius:50%;
  background:var(--v);border:1px solid var(--vs);box-shadow:0 0 20px rgba(93,3,165,.9),0 0 50px rgba(93,3,165,.5)}
.call svg{width:24px;fill:#fff;animation:ring 2.4s infinite}
.call::before{content:"";position:absolute;inset:0;border-radius:50%;border:1px solid var(--vs);animation:pulse 2s infinite}
@keyframes pulse{to{transform:scale(1.7);opacity:0}}
@keyframes ring{0%,60%,100%{transform:rotate(0)}65%,75%{transform:rotate(-15deg)}70%,80%{transform:rotate(15deg)}}

/* адаптив */
@media (max-width:1100px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .adv{grid-template-columns:1fr 1fr}
  .adv li:not(:nth-child(3n)){border-right:0}
  .adv li:nth-child(odd){border-right:1px solid var(--ln)}
  .calc{grid-template-columns:1fr}
  .calc__result{position:static}
}
@media (max-width:1000px){
  :root{--wrap:28px}
  .hero,.order,.price{grid-template-columns:1fr}
  .fmt{position:static;max-width:220px;margin:0 auto}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:20px;padding:24px var(--wrap);
    background:rgba(5,4,7,.96);border-bottom:1px solid var(--ln)}
  .nav.open{display:flex}
  .burger{display:flex}
  .top__tel,.rail{display:none}
}
@media (max-width:760px){
  .c-head{display:none}
  .c-row{grid-template-columns:24px 1fr 1fr 32px;grid-template-areas:"n svc svc del" ". fmt col col" ". qty fold sum"}
  .c-n{grid-area:n}.c-svc{grid-area:svc}.c-fmt{grid-area:fmt}.c-col{grid-area:col}
  .c-qty{grid-area:qty}.c-foldw{grid-area:fold}.c-sum{grid-area:sum}.c-del{grid-area:del}
  .c-foldw span::before{content:"фальц. "}
}
@media (max-width:620px){
  :root{--wrap:20px}
  .sec{padding:110px var(--wrap) 90px}
  .cards,.adv,.steps,.form__row{grid-template-columns:1fr}
  .adv li{border-right:0 !important;padding:28px 0}
  .steps::before{display:none}
  .facts{gap:22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}

/* --- затемнение фона под информацией --- */
:root{--veil:.95}  /* сила затемнения: 0 — нет, 1 — полностью чёрное */

.sec{
  background:radial-gradient(ellipse 70% 62% at 50% 52%,
    rgba(5,4,7,var(--veil)) 0%,
    rgba(5,4,7,var(--veil)) 45%,
    rgba(5,4,7,0) 78%);
}
.hero{
  background:
    radial-gradient(ellipse 42% 55% at 26% 55%,rgba(5,4,7,var(--veil)) 0%,rgba(5,4,7,var(--veil)) 50%,rgba(5,4,7,0) 85%),
    radial-gradient(ellipse 38% 45% at 74% 52%,rgba(5,4,7,var(--veil)) 0%,rgba(5,4,7,var(--veil)) 50%,rgba(5,4,7,0) 85%);
}
.card,.adv li,.calc__result,.drop{background-color:rgba(5,4,7,.55)}

/* --- политика и ссылки на неё --- */
.agree-link,.foot__legal a{color:var(--vs);text-decoration:underline;text-underline-offset:3px}
.agree-link:hover,.foot__legal a:hover{color:#fff;text-shadow:0 0 10px var(--vs)}
.foot__legal{margin-top:8px}

.doc-page .top{justify-content:space-between}
.doc-back{margin-left:auto;font:500 12px var(--m);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:var(--mut);transition:color .3s}
.doc-back:hover{color:#fff;text-shadow:0 0 12px rgba(198,141,255,.7)}
.doc{max-width:900px;margin:0 auto;padding-left:28px;padding-right:28px;
  background:radial-gradient(ellipse 90% 60% at 50% 30%,rgba(5,4,7,.9),transparent)}
.doc .h2{margin-bottom:12px}
.doc-date{margin-bottom:46px;font:400 12px var(--m);letter-spacing:.1em;color:var(--vs)}
.doc h2{margin:46px 0 16px;padding-top:22px;border-top:1px solid var(--ln);font:400 19px/1.35 var(--h)}
.doc h3{margin:26px 0 12px;font:400 16px/1.35 var(--h);color:var(--vs)}
.doc p,.doc li{font-size:15px;line-height:1.75;color:rgba(255,255,255,.8)}
.doc p{margin-bottom:12px}
.doc ul{margin:0 0 16px;padding-left:22px}
.doc li{margin-bottom:6px}
.doc li::marker{color:var(--vs)}
.doc a:not(.btn){color:var(--vs)}
.doc-box{padding:22px 26px;margin-bottom:18px;border:1px solid var(--ln);border-radius:14px;background:rgba(93,3,165,.08)}
.doc-box b{color:#fff}
.doc-end{margin-top:56px}
@media (max-width:1000px){.doc-page .top__tel{display:none}}