/* ============================================================
   BRIZ · Премиальный конфигуратор — дизайн по макету Figma
   Электрик-блю, большие числа, зелёные галочки, свечение.
   Изолированный namespace .cfg — не влияет на другие секции.
   ============================================================ */

.cfg{
  position:relative;
  max-width:none;
  padding-block:130px;
  padding-inline:max(28px,calc((100vw - var(--max))/2 + 28px));
  isolation:isolate;
  overflow:hidden;
  border-block:1px solid rgba(40,90,180,.25);
  /* палитра, снятая с макета */
  --n0:#02102a;      /* глубокий фон */
  --n1:#061a37;      /* база карточки (сэмпл макета) */
  --n2:#0a2550;
  --elec:#1e74ff;    /* электрик-блю */
  --elec2:#3b8cff;
  --cyan:#4fb6ff;
  --grn:#37d98a;     /* зелёная галочка */
  --stroke:rgba(122,170,235,.16);
  --stroke2:rgba(120,175,255,.4);
  --shadow:0 34px 90px -34px rgba(0,10,32,.95);
  background:
    radial-gradient(120% 70% at 50% 128%,rgba(24,96,230,.5),transparent 62%),
    radial-gradient(80% 55% at 100% 0,rgba(20,74,168,.28),transparent 55%),
    radial-gradient(70% 50% at 0 40%,rgba(30,44,120,.22),transparent 60%),
    linear-gradient(#03112a,#020c22);
}

/* ---------- Амбиентный фон ---------- */
.cfg-ambient{position:absolute;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.cfg-blob{position:absolute;border-radius:50%;filter:blur(85px);opacity:.6;mix-blend-mode:screen}
.cfg-blob-1{width:560px;height:560px;left:-150px;top:-160px;background:radial-gradient(circle,rgba(30,116,255,.65),transparent 65%);animation:cfgFloat1 24s ease-in-out infinite}
.cfg-blob-2{width:640px;height:640px;left:44%;bottom:-260px;background:radial-gradient(circle,rgba(20,96,230,.6),transparent 65%);animation:cfgFloat2 28s ease-in-out infinite}
.cfg-grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(90,150,230,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(90,150,230,.05) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(130% 80% at 50% 5%,#000,transparent 80%);
  mask-image:radial-gradient(130% 80% at 50% 5%,#000,transparent 80%)}
.cfg-scan{position:absolute;left:0;right:0;top:0;height:2px;opacity:.45;
  background:linear-gradient(90deg,transparent,rgba(70,150,255,.6) 40%,rgba(120,200,255,.8) 50%,rgba(70,150,255,.6) 60%,transparent);
  animation:cfgScan 8s linear infinite}
@keyframes cfgScan{0%{top:-2%}100%{top:102%}}
@keyframes cfgFloat1{50%{transform:translate(75px,60px) scale(1.14)}}
@keyframes cfgFloat2{50%{transform:translate(-60px,-50px) scale(1.1)}}

/* ---------- Заголовок ---------- */
.cfg .section-heading h2{
  background:linear-gradient(100deg,#eef5ff,#a7ccff 52%,#7fa8ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.cfg .section-heading>p{color:#a6bcda}

/* ---------- Раскладка ---------- */
.cfg-shell{display:grid;grid-template-columns:minmax(0,1fr) 384px;gap:28px;align-items:start}
.cfg-main{min-width:0}

/* ---------- Базовая станина ---------- */
.cfg-base{position:relative;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;
  padding:30px 34px;border-radius:24px;border:1px solid transparent;
  transform:perspective(1100px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .3s cubic-bezier(.3,1,.3,1);
  background:
    linear-gradient(150deg,rgba(12,40,84,.9),rgba(6,22,50,.92)) padding-box,
    linear-gradient(130deg,rgba(90,170,255,.6),rgba(40,90,220,.12) 48%,rgba(70,120,255,.45)) border-box;
  box-shadow:var(--shadow)}
.cfg-base::before{content:"";position:absolute;inset:0;pointer-events:none;border-radius:24px;
  background:radial-gradient(70% 130% at 0 0,rgba(30,116,255,.24),transparent 52%)}
.cfg-base>*{position:relative}
.cfg-base-dot{position:absolute;left:-5px;top:50%;width:10px;height:10px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 5px rgba(30,116,255,.18),0 0 24px 4px rgba(70,160,255,.8);animation:cfgPulse 2.6s infinite}
@keyframes cfgPulse{50%{box-shadow:0 0 0 10px rgba(30,116,255,0),0 0 24px 4px rgba(70,160,255,.35)}}
.cfg-tag{display:inline-flex;align-items:center;gap:9px;font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.cfg-tag i{width:7px;height:7px;border-radius:50%;background:var(--grn);box-shadow:0 0 10px var(--grn)}
.cfg-base h3{font-size:29px;margin:13px 0 18px;letter-spacing:-.02em;text-transform:uppercase;font-weight:900}
.cfg-base-list{list-style:none;padding:0;margin:0 0 18px;display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}
.cfg-base-list li{position:relative;padding-left:28px;color:#c6d7f0;font-size:13px}
.cfg-base-list li::before{content:"";position:absolute;left:0;top:0;width:18px;height:18px;border-radius:6px;
  background:linear-gradient(135deg,var(--grn),#22b06e);box-shadow:0 4px 12px rgba(45,200,120,.45)}
.cfg-base-list li::after{content:"";position:absolute;left:6px;top:3.5px;width:5px;height:9px;border:2px solid #04241a;border-top:0;border-left:0;transform:rotate(42deg)}
.cfg-base-chips{display:flex;flex-wrap:wrap;gap:7px}
.cfg-base-chips span{font-size:11px;font-weight:700;color:#bcd4f2;padding:5px 11px;border-radius:999px;border:1px solid var(--stroke);background:rgba(10,34,72,.6)}
.cfg-base-side{text-align:center;min-width:196px}
.cfg-base-side img{width:210px;height:150px;object-fit:contain;margin:0 auto;filter:drop-shadow(0 22px 34px rgba(0,0,0,.6));animation:cfgFloatImg 6s ease-in-out infinite}
@keyframes cfgFloatImg{50%{transform:translateY(-9px)}}
.cfg-base-price{margin-top:14px}
.cfg-base-price small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.cfg-base-price strong{font-size:28px;letter-spacing:-.03em}

/* ---------- Шапка опций: табы + большой счётчик ---------- */
.cfg-opt-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:28px 0 20px;flex-wrap:wrap}
.cfg-tabs{position:relative;display:flex;gap:2px;padding:5px;border-radius:999px;
  background:rgba(6,20,44,.65);border:1px solid var(--stroke);width:max-content;max-width:100%;overflow:auto;scrollbar-width:none}
.cfg-tabs::-webkit-scrollbar{display:none}
.cfg-tabs-indicator{position:absolute;left:0;top:5px;bottom:5px;width:0;border-radius:999px;z-index:0;
  background:linear-gradient(120deg,var(--elec),#31a9ff);box-shadow:0 10px 26px rgba(30,116,255,.5);
  transition:transform .5s cubic-bezier(.5,1.35,.4,1),width .5s cubic-bezier(.5,1.35,.4,1)}
.cfg-tab{position:relative;z-index:1;white-space:nowrap;border:0;background:transparent;color:#9fb6d6;
  padding:11px 18px;border-radius:999px;cursor:pointer;font:800 13px/1 Inter,Arial,sans-serif;transition:color .35s}
.cfg-tab:hover{color:#dbe8ff}
.cfg-tab.active{color:#fff}
.cfg-avail{display:flex;align-items:center;gap:11px;line-height:1}
.cfg-avail strong{font-size:52px;font-weight:900;letter-spacing:-.04em;
  background:linear-gradient(150deg,#8fd0ff,var(--elec));-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 6px 22px rgba(30,116,255,.5));display:inline-block}
.cfg-avail strong.pop{animation:cfgNumPop .5s cubic-bezier(.3,1.5,.4,1)}
.cfg-avail span{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#8fb0d8}
@keyframes cfgNumPop{0%{transform:scale(1)}45%{transform:scale(1.22);filter:drop-shadow(0 6px 30px rgba(70,160,255,.9))}100%{transform:scale(1)}}

/* ---------- Сетка опций ---------- */
.cfg-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.cfg-opt{position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:15px;align-items:center;width:100%;text-align:left;font:inherit;color:inherit;-webkit-appearance:none;appearance:none;overflow:hidden;
  padding:17px 18px;border-radius:18px;cursor:pointer;border:1px solid var(--stroke);
  transform:perspective(820px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateY(var(--ty,0px));
  background:linear-gradient(150deg,rgba(12,34,70,.75),rgba(7,22,48,.75));
  transition:transform .2s ease,border-color .3s,box-shadow .3s,background .3s;
  animation:cfgFade .4s both}
.cfg-opt:hover{--ty:-4px;border-color:var(--stroke2);box-shadow:0 22px 44px -22px rgba(0,26,72,.95)}
.cfg-opt:focus-visible{outline:2px solid var(--elec);outline-offset:2px}
.cfg-opt.is-on{border-color:transparent;
  background:
    linear-gradient(150deg,rgba(18,58,118,.95),rgba(9,30,66,.95)) padding-box,
    linear-gradient(130deg,var(--elec),rgba(70,120,255,.25) 55%,var(--elec2)) border-box;
  box-shadow:0 0 0 1px rgba(70,150,255,.35),0 24px 50px -20px rgba(20,90,220,.85)}
.cfg-opt-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;color:#bfe0ff;z-index:1;
  background:linear-gradient(150deg,rgba(30,80,160,.55),rgba(16,48,100,.45));border:1px solid rgba(120,170,235,.22);transition:.35s}
.cfg-opt-icon svg{width:24px;height:24px}
.cfg-opt.is-on .cfg-opt-icon{color:#fff;background:linear-gradient(150deg,var(--elec),#2f8fff);border-color:transparent;box-shadow:0 10px 24px rgba(30,116,255,.55);transform:scale(1.06)}
.cfg-opt-body{min-width:0;z-index:1}
.cfg-opt-body b{display:block;font-size:15px;letter-spacing:-.01em}
.cfg-opt-body small{display:block;color:var(--muted);font-size:12px;margin-top:3px;line-height:1.35}
.cfg-opt-right{display:flex;flex-direction:column;align-items:flex-end;gap:9px;z-index:1}
.cfg-opt-price{font-weight:800;font-size:14px;color:#dbe8ff;white-space:nowrap}
.cfg-opt-price::before{content:"+ "}
.cfg-opt-check{width:24px;height:24px;border-radius:8px;border:1.6px solid rgba(120,170,235,.45);display:grid;place-items:center;background:rgba(9,24,50,.55);transition:.35s}
.cfg-opt-check svg{width:14px;height:14px;fill:none;stroke:#fff;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:26;stroke-dashoffset:26;transition:stroke-dashoffset .4s ease .06s}
.cfg-opt.is-on .cfg-opt-check{border-color:transparent;background:linear-gradient(135deg,var(--elec),#31a9ff);box-shadow:0 6px 16px rgba(30,116,255,.6)}
.cfg-opt.is-on .cfg-opt-check svg{stroke-dashoffset:0}
.cfg-ripple{position:absolute;border-radius:50%;pointer-events:none;z-index:0;transform:translate(-50%,-50%) scale(0);
  background:radial-gradient(circle,rgba(120,180,255,.55),transparent 68%);animation:cfgRipple .6s ease-out forwards}
@keyframes cfgRipple{to{transform:translate(-50%,-50%) scale(1);opacity:0}}
@keyframes cfgFade{from{opacity:0}to{opacity:1}}

/* ---------- Панель итога ---------- */
.cfg-summary{position:sticky;top:100px}
.cfg-summary-inner{position:relative;overflow:hidden;border-radius:24px;padding:24px;border:1px solid transparent;
  background:
    linear-gradient(160deg,rgba(14,44,90,.94),rgba(6,20,46,.96)) padding-box,
    linear-gradient(150deg,rgba(120,180,255,.6),rgba(40,90,220,.08) 50%,rgba(70,120,255,.45)) border-box;
  box-shadow:var(--shadow)}
.cfg-summary-inner::before{content:"";position:absolute;top:-45%;left:-25%;width:150%;height:90%;z-index:0;pointer-events:none;
  background:conic-gradient(from 0deg,transparent,rgba(30,116,255,.2),transparent 42%);animation:cfgAurora 15s linear infinite}
@keyframes cfgAurora{to{transform:rotate(360deg)}}
.cfg-summary-inner>*{position:relative;z-index:1}
.cfg-summary-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.cfg-summary-title{font-weight:900;text-transform:uppercase;letter-spacing:.05em;font-size:13px;color:#cfdef6}
.cfg-count-badge{font-size:11px;font-weight:800;color:#9dc0ee;background:rgba(30,116,255,.16);border:1px solid var(--stroke);padding:5px 11px;border-radius:999px;white-space:nowrap}

/* уровень: кольцо + ступени */
.cfg-level{position:relative;display:flex;align-items:center;gap:16px;padding:14px;border-radius:16px;background:rgba(4,16,40,.55);border:1px solid var(--stroke);margin-bottom:16px;transition:box-shadow .4s}
.cfg-level.levelup{animation:cfgLevelUp .8s ease}
@keyframes cfgLevelUp{0%{box-shadow:0 0 0 0 rgba(55,217,138,0)}30%{box-shadow:0 0 0 3px rgba(55,217,138,.5),0 0 40px rgba(55,217,138,.35)}100%{box-shadow:0 0 0 0 rgba(55,217,138,0)}}
.cfg-gauge{position:relative;width:76px;height:76px;flex:0 0 auto}
.cfg-gauge svg{width:100%;height:100%;transform:rotate(-90deg)}
.cfg-gauge .track{fill:none;stroke:rgba(120,160,220,.16);stroke-width:8}
.cfg-gauge .fill{fill:none;stroke:url(#cfgGrad);stroke-width:8;stroke-linecap:round;stroke-dasharray:201;stroke-dashoffset:201;transition:stroke-dashoffset .8s cubic-bezier(.4,1,.3,1)}
.cfg-gauge-label{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.cfg-gauge-label strong{font-size:19px;letter-spacing:-.02em}
.cfg-gauge-label small{font-size:8px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.cfg-level-steps{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:700}
.cfg-level-steps span{color:#6f89ad;display:flex;align-items:center;gap:9px;transition:.35s}
.cfg-level-steps span::before{content:"";width:7px;height:7px;border-radius:50%;background:#33507d;transition:.35s}
.cfg-level-steps span.reached{color:#d6e4fb}
.cfg-level-steps span.reached::before{background:var(--elec);box-shadow:0 0 10px var(--elec)}
.cfg-level-steps span.current{color:#fff}
.cfg-level-steps span.current::before{background:var(--grn);box-shadow:0 0 13px var(--grn)}

/* разбивка */
.cfg-bar{height:10px;border-radius:999px;overflow:hidden;display:flex;background:rgba(4,16,40,.6);border:1px solid var(--stroke);margin-bottom:10px}
.cfg-bar span{display:block;height:100%;transition:width .6s cubic-bezier(.4,1,.3,1)}
.cfg-bar-base{background:linear-gradient(90deg,#2a6fd0,#4f9bff)}
.cfg-bar-opt{background:linear-gradient(90deg,#37d98a,#7be6ff)}
.cfg-bar-legend{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-bottom:18px}
.cfg-bar-legend i{display:inline-block;width:8px;height:8px;border-radius:3px;margin-right:6px;vertical-align:middle}
.cfg-bar-legend i.base{background:#4f9bff}
.cfg-bar-legend i.opt{background:#37d98a}
.cfg-bar-legend b{color:#dbe8ff}

/* чипы выбранного */
.cfg-selected{display:flex;flex-direction:column;gap:8px;max-height:216px;overflow:auto;margin-bottom:16px;padding-right:4px}
.cfg-selected::-webkit-scrollbar{width:5px}
.cfg-selected::-webkit-scrollbar-thumb{background:rgba(120,160,220,.3);border-radius:9px}
.cfg-empty{color:#7f99ba;font-size:12px;text-align:center;padding:16px;border:1px dashed var(--stroke);border-radius:12px;margin:0}
.cfg-chip{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:rgba(9,28,62,.65);border:1px solid var(--stroke);font-size:12px;animation:cfgChipIn .42s cubic-bezier(.3,1.3,.4,1) both}
.cfg-chip>span{display:flex;align-items:center;gap:9px;color:#d3e1f5;flex:1;min-width:0}
.cfg-chip>span>em{font-style:normal;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cfg-chip-ic{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;color:#9fd0ff;background:rgba(30,80,160,.42);flex:0 0 auto}
.cfg-chip-ic svg{width:13px;height:13px}
.cfg-chip b{color:#fff;white-space:nowrap;font-size:12px}
.cfg-chip-x{border:0;background:transparent;color:#7f99ba;cursor:pointer;font-size:17px;line-height:1;padding:0 2px;transition:.2s;flex:0 0 auto}
.cfg-chip-x:hover{color:#ff6b81;transform:scale(1.15)}
@keyframes cfgChipIn{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:none}}

/* посты / скидка / итог */
.cfg-posts{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-top:1px solid var(--stroke)}
.cfg-posts label{font-size:13px;color:#c6d7f0;font-weight:600}
.cfg-stepper{display:flex;align-items:center;gap:5px;background:rgba(4,16,40,.6);border:1px solid var(--stroke);border-radius:12px;padding:4px}
.cfg-stepper button{width:32px;height:32px;border:0;border-radius:9px;background:linear-gradient(150deg,rgba(30,72,150,.6),rgba(16,48,100,.45));color:#fff;font-size:20px;cursor:pointer;transition:.2s;display:grid;place-items:center}
.cfg-stepper button:hover{background:var(--elec);transform:translateY(-1px)}
.cfg-stepper button:active{transform:scale(.88)}
.cfg-stepper output{min-width:30px;text-align:center;font-weight:900;font-size:16px}
.cfg-discount{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-top:1px solid var(--stroke);font-size:13px;color:#c6d7f0;transition:opacity .3s}
.cfg-discount b{color:var(--grn);font-weight:900;font-size:15px;display:inline-block}
.cfg-discount.pop b{animation:cfgPop .5s}
@keyframes cfgPop{0%{transform:scale(1)}40%{transform:scale(1.28)}100%{transform:scale(1)}}
.cfg-total{padding:18px 0 20px;border-top:1px solid var(--stroke)}
.cfg-total>span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.08em}
.cfg-total strong{display:block;font-size:39px;letter-spacing:-.04em;line-height:1.05;margin:5px 0;
  background:linear-gradient(100deg,#ffffff,#a9ceff);-webkit-background-clip:text;background-clip:text;color:transparent}
.cfg-total small{display:block;color:#8fb3e0;font-size:12px}

/* CTA */
.cfg-cta{position:relative;overflow:hidden;width:100%;border:0;border-radius:14px;padding:17px;font:800 15px/1 Inter,Arial,sans-serif;color:#fff;cursor:pointer;
  transform:translate(var(--mx,0px),var(--my,0px));
  background:linear-gradient(110deg,#0a74ff,#2f9bff 58%,#38b6ff);box-shadow:0 18px 42px -12px rgba(30,116,255,.75);transition:transform .18s ease,box-shadow .25s}
.cfg-cta span{position:relative;z-index:1}
.cfg-cta:hover{box-shadow:0 26px 56px -12px rgba(30,116,255,.9)}
.cfg-cta:active{transform:scale(.99)}
.cfg-cta::after{content:"";position:absolute;top:0;left:-130%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-20deg);animation:cfgShine 5s ease-in-out infinite}
@keyframes cfgShine{0%,58%{left:-130%}80%,100%{left:160%}}
.cfg-note{color:#748aaa;font-size:10px;text-align:center;margin:13px 0 0}

/* ---------- Адаптив ---------- */
@media (max-width:1080px){
  .cfg-shell{grid-template-columns:1fr}
  .cfg-summary{position:static}
}
@media (max-width:620px){
  .cfg{padding-block:72px}
  .cfg-base{grid-template-columns:1fr;gap:22px;padding:24px}
  .cfg-base-side{text-align:left}
  .cfg-base-side img{margin:0}
  .cfg-base-list{grid-template-columns:1fr}
  .cfg-opt-head{gap:14px}
  .cfg-avail strong{font-size:40px}
  .cfg-options{grid-template-columns:1fr}
  .cfg-total strong{font-size:33px}
}

/* ---------- prefers-reduced-motion ---------- */
@media (prefers-reduced-motion:reduce){
  .cfg-blob,.cfg-scan,.cfg-base-side img,.cfg-summary-inner::before,.cfg-cta::after,.cfg-base-dot{animation:none}
  .cfg-opt{transform:none!important}
  .cfg-base{transform:none!important}
}