/* Доп. оборудование — светлый Soft Structuralism, индиго, мягкие тени, сборщик сметы. */
:root{
  --bg:#f4f5f8;--paper:#ffffff;--ink:#191b24;--mut:#676c7c;--line:#e3e5ec;
  --indigo:#4f5ae8;--indigo-d:#3a43c4;
  --max:1180px;--ease:cubic-bezier(.32,.72,0,1);
  --font:'Manrope',-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.sec{padding:104px 0}
.btn{display:inline-flex;align-items:center;gap:12px;padding:8px 8px 8px 24px;border-radius:100px;font-weight:700;font-size:15px;cursor:pointer;border:0;transition:all .5s var(--ease)}
.btn .cir{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:14px;transition:transform .5s var(--ease)}
.btn:hover .cir{transform:translate(2px,-1px) scale(1.06)}
.btn:active{transform:scale(.98)}
.btn--indigo{background:var(--indigo);color:#fff;box-shadow:0 14px 34px rgba(79,90,232,.26)}.btn--indigo .cir{background:rgba(255,255,255,.18)}
.btn--indigo:hover{background:var(--indigo-d)}
.btn--ghost{background:var(--paper);border:1px solid var(--line);color:var(--ink);box-shadow:0 10px 28px rgba(25,27,36,.05)}
.btn--ghost .cir{background:var(--bg)}
.btn--wide{width:100%;justify-content:space-between}

.hdr{position:sticky;top:14px;z-index:100;display:flex;justify-content:center;padding:0 16px}
.hdr .pill{display:flex;align-items:center;gap:24px;background:rgba(255,255,255,.82);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:100px;padding:9px 10px 9px 22px;box-shadow:0 18px 44px rgba(25,27,36,.08)}
.logo{font-weight:800;font-size:17px}.logo b{color:var(--indigo)}
.nav{display:flex;gap:20px}.nav a{color:var(--mut);font-weight:600;font-size:14px;transition:color .3s}.nav a:hover{color:var(--ink)}
.hdr .btn{padding:6px 6px 6px 16px;font-size:13px}.hdr .cir{width:28px;height:28px;font-size:12px}
.burger{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--ink)}

.hero{padding:92px 0 40px;text-align:center}
.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.02;font-weight:800;letter-spacing:-.03em;margin:0 0 20px}
.hero h1 em{font-style:normal;color:var(--indigo)}
.hero .lead{font-size:19px;color:var(--mut);max-width:560px;margin:0 auto 30px}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .float{margin:64px auto 0;max-width:860px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.hero .float .f{background:var(--paper);border-radius:22px;padding:26px;box-shadow:0 30px 60px rgba(25,27,36,.08);transition:transform .5s var(--ease)}
.hero .float .f:hover{transform:translateY(-5px)}
.hero .float b{font-size:26px;font-weight:800;display:block;line-height:1;color:var(--indigo)}
.hero .float span{color:var(--mut);font-size:13px}

.head{text-align:center;max-width:620px;margin:0 auto 52px}
.head h2{font-size:clamp(28px,4.2vw,42px);font-weight:800;margin:0;line-height:1.08;letter-spacing:-.02em}
.head p{color:var(--mut);font-size:18px;margin:14px 0 0}

/* сборщик сметы */
.builder{display:grid;grid-template-columns:1.35fr .65fr;gap:24px;align-items:start}
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.svc{background:var(--paper);border-radius:20px;padding:6px;box-shadow:0 16px 40px rgba(25,27,36,.06);cursor:pointer;transition:all .4s var(--ease);border:2px solid transparent}
.svc:hover{transform:translateY(-3px)}
.svc.on{border-color:var(--indigo)}
.svc .core{border-radius:15px;padding:20px;display:flex;gap:14px;align-items:center}
.svc .em{width:46px;height:46px;border-radius:14px;background:var(--bg);display:grid;place-items:center;font-size:22px;flex:0 0 auto}
.svc b{display:block;font-size:15px}.svc span{color:var(--mut);font-size:12px}
.svc .p{margin-left:auto;font-weight:800;color:var(--indigo);white-space:nowrap}
.quote{background:var(--paper);border-radius:24px;padding:8px;box-shadow:0 30px 70px rgba(25,27,36,.1);position:sticky;top:88px}
.quote .core{background:linear-gradient(160deg,#f7f8fc,#eef0f7);border-radius:18px;padding:28px}
.quote h3{margin:0 0 14px;font-size:20px;font-weight:800}
.quote .li{display:flex;justify-content:space-between;font-size:13px;color:var(--mut);padding:7px 0;border-bottom:1px dashed var(--line)}
.quote .li b{color:var(--ink);font-weight:600}
.quote .total{display:flex;justify-content:space-between;align-items:baseline;margin:16px 0;font-weight:800}
.quote .total .big{font-size:30px;color:var(--indigo)}
.quote input{width:100%;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--ink);font:inherit;margin-bottom:9px}
.quote input:focus{outline:none;border-color:var(--indigo)}
.lp-consent{display:flex;gap:9px;align-items:flex-start;font-size:11px;color:var(--mut);margin:8px 0;cursor:pointer}
.lp-consent input{margin:2px 0 0;width:16px;height:16px;flex:0 0 auto;accent-color:var(--indigo)}
.lp-consent a{color:var(--indigo-d);text-decoration:underline}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.stp{padding:34px 26px;border-bottom:1px solid var(--line)}
.stp+.stp{border-left:1px solid var(--line)}
.stp .n{font-weight:800;font-size:14px;color:var(--indigo);margin-bottom:10px}
.stp h3{font-size:18px;margin:0 0 6px}.stp p{color:var(--mut);font-size:14px;margin:0}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.cform{background:var(--paper);border-radius:24px;padding:8px;box-shadow:0 30px 70px rgba(25,27,36,.08)}
.cform .core{border-radius:18px;padding:34px}
.cform h3{font-size:23px;margin:0 0 6px;font-weight:800}.cform .sub{color:var(--mut);margin:0 0 18px}
.field{margin-bottom:13px}
.field input,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:13px 15px;color:var(--ink);font:inherit}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--indigo)}
.cinfo .line{display:flex;gap:14px;align-items:center;margin-bottom:14px;background:var(--paper);border-radius:18px;padding:18px 22px;box-shadow:0 14px 36px rgba(25,27,36,.05)}
.cinfo .line .ic{width:42px;height:42px;border-radius:12px;background:var(--bg);display:grid;place-items:center;font-size:18px;flex:0 0 auto}
.cinfo .line b{display:block;font-size:15px}.cinfo .line span{color:var(--mut);font-size:13px}

.lp-flash{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:9998;max-width:520px;width:calc(100% - 36px);padding:15px 44px 15px 18px;border-radius:14px;font-weight:600;box-shadow:0 20px 50px rgba(0,0,0,.14)}
.lp-flash--ok{background:#e8f4ec;border:1px solid #2f9e63;color:#186b42}
.lp-flash--err{background:#eef0fd;border:1px solid var(--indigo);color:var(--indigo-d)}
.lp-flash__close{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:0;color:inherit;font-size:22px;cursor:pointer}

.footer{border-top:1px solid var(--line);padding:48px 0 28px;color:var(--mut)}
.footer .top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:24px}
.footer .logo{color:var(--ink)}
.footer .cols{display:flex;gap:46px;flex-wrap:wrap}
.footer .col b{color:var(--ink);display:block;margin-bottom:12px;font-size:14px}
.footer .col a{display:block;color:var(--mut);font-size:14px;margin-bottom:8px}.footer .col a:hover{color:var(--ink)}
.footer .legal{border-top:1px solid var(--line);padding-top:18px;font-size:13px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

.reveal{opacity:0;transform:translateY(26px);transition:all .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

@media(max-width:960px){
  .builder,.contact{grid-template-columns:1fr}
  .quote{position:static}
  .hero .float{grid-template-columns:1fr}
  .services{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}.stp+.stp{border-left:0}.stp:nth-child(even){border-left:1px solid var(--line)}
  .nav{display:none}.burger{display:block}
}
@media(max-width:600px){
  .sec{padding:64px 0}.steps{grid-template-columns:1fr}.stp:nth-child(even){border-left:0}
  .hdr .btn{display:none}
}

/* --- faq --- */
.faq2{max-width:760px;margin:0 auto}
.faq2 details{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq2 summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;gap:14px}
.faq2 summary::-webkit-details-marker{display:none}
.faq2 summary .ar{color:var(--indigo);transition:transform .3s var(--ease)}
.faq2 details[open] summary .ar{transform:rotate(45deg)}
.faq2 .a{padding:0 22px 18px;color:var(--mut);font-size:14px}