/* Каркасные дома — скандинавский минимализм, графит + тёплое дерево, чистый. */
:root{
  --bg:#f6f4f0;--paper:#ffffff;--ink:#1a1a18;--mut:#726d64;--line:#e6e1d8;
  --wood:#c08a4e;--wood-d:#a06f38;--char:#232320;--sage:#7e8b6f;
  --radius:12px;--max:1180px;--ease:cubic-bezier(.2,.8,.25,1);
  --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:88px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 28px;border-radius:10px;font-weight:700;font-size:16px;cursor:pointer;border:0;transition:.2s var(--ease);font-family:inherit}
.btn--wood{background:var(--wood);color:#fff}.btn--wood:hover{background:var(--wood-d);transform:translateY(-2px)}
.btn--char{background:var(--char);color:#fff}.btn--char:hover{background:#000}
.btn--out{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}.btn--out:hover{background:var(--ink);color:#fff}
.btn--wide{width:100%}
.arrow{transition:.2s}.btn:hover .arrow{transform:translateX(3px)}

.hdr{position:sticky;top:0;z-index:100;background:rgba(246,244,240,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:.3s}
.hdr.scr{border-color:var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.logo{font-size:22px;font-weight:800}.logo b{color:var(--wood-d)}
.nav{display:flex;gap:24px}.nav a{color:var(--mut);font-weight:600;font-size:15px}.nav a:hover{color:var(--ink)}
.hdr .r{display:flex;align-items:center;gap:16px}.hdr .ph{font-weight:800;font-size:17px}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}

.hero{position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:60px 24px 20px}
.hero .badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:7px 14px;font-weight:700;font-size:13px;color:var(--wood-d);margin-bottom:20px}
.hero h1{font-size:clamp(34px,5vw,54px);line-height:1.06;font-weight:800;margin:0 0 16px;letter-spacing:-.02em}
.hero .lead{font-size:19px;color:var(--mut);margin:0 0 26px;max-width:500px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.hero .mini{display:flex;gap:28px;flex-wrap:wrap}
.hero .mini b{font-size:26px;font-weight:800;color:var(--ink);display:block;line-height:1}
.hero .mini span{color:var(--mut);font-size:13px}
.hero__img{aspect-ratio:5/4.4;border-radius:16px;overflow:hidden;position:relative;
  background:linear-gradient(180deg,#c3d4dc 0%,#cfdad4 42%,#8fa07e 42%,#6f8060 100%);
  box-shadow:0 30px 60px rgba(26,26,24,.14)}
.hero__img::before{content:"";position:absolute;left:50%;bottom:12%;transform:translateX(-50%);width:60%;height:42%;
  background:linear-gradient(180deg,#e6d6bd,#c9a877);border-radius:4px 4px 0 0}
.hero__img::after{content:"";position:absolute;left:50%;bottom:50%;transform:translateX(-50%);
  border-left:36% solid transparent;border-right:36% solid transparent;border-bottom:62px solid var(--char)}
.hero__tag{position:absolute;top:18px;right:18px;background:#fff;border-radius:10px;padding:10px 16px;box-shadow:0 12px 26px rgba(0,0,0,.12);z-index:2}
.hero__tag b{color:var(--wood-d);font-size:18px;display:block}.hero__tag span{color:var(--mut);font-size:12px}

.head{text-align:center;max-width:640px;margin:0 auto 44px}
.head .k{color:var(--wood-d);font-weight:700;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.head h2{font-size:clamp(28px,4.2vw,42px);font-weight:800;margin:0 0 12px;letter-spacing:-.02em;line-height:1.1}
.head p{color:var(--mut);font-size:18px;margin:0}

/* configurator */
.config{display:grid;grid-template-columns:1.4fr .6fr;gap:26px;align-items:start}
.config-main{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:30px}
.cstep{margin-bottom:26px}
.cstep .t{font-weight:800;font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.cstep .t i{width:24px;height:24px;border-radius:6px;background:var(--wood);color:#fff;display:grid;place-items:center;font-style:normal;font-size:13px;font-weight:800}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.proj{border:2px solid var(--line);border-radius:12px;overflow:hidden;cursor:pointer;transition:.15s;background:#fff}
.proj:hover{border-color:var(--wood)}
.proj.sel{border-color:var(--wood);box-shadow:0 0 0 3px rgba(192,138,78,.16)}
.proj .ph{height:80px;background:linear-gradient(160deg,var(--c),#3a3a34);position:relative}
.proj .b{padding:12px}
.proj b{font-size:15px;display:block}.proj span{color:var(--mut);font-size:12px}
.packs{display:flex;gap:10px;flex-wrap:wrap}
.pk{flex:1;min-width:120px;border:2px solid var(--line);border-radius:12px;padding:16px;cursor:pointer;transition:.15s}
.pk:hover{border-color:var(--wood)}
.pk.sel{border-color:var(--wood);background:#faf5ee}
.pk b{display:block;font-size:15px}.pk span{color:var(--mut);font-size:12px}
.pk .m{color:var(--wood-d);font-weight:700;font-size:13px;margin-top:6px}

.result{background:var(--char);color:#fff;border-radius:16px;padding:28px;position:sticky;top:90px}
.result h3{margin:0 0 16px;font-size:19px}
.result .li{display:flex;justify-content:space-between;font-size:14px;color:rgba(255,255,255,.7);padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.16)}
.result .li b{color:#fff;font-weight:600}
.result .total{margin:16px 0;display:flex;justify-content:space-between;align-items:baseline}
.result .total .big{font-size:30px;font-weight:800;color:var(--wood)}
.result .term{color:var(--sage);font-size:13px;margin-bottom:16px}
.result input{width:100%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:10px;padding:12px 14px;color:#fff;font:inherit;margin-bottom:9px}
.result input::placeholder{color:rgba(255,255,255,.6)}
.lp-consent{display:flex;gap:9px;align-items:flex-start;font-size:11px;color:rgba(255,255,255,.7);margin:8px 0;cursor:pointer}
.lp-consent input{margin:2px 0 0;width:16px;height:16px;flex:0 0 auto}
.lp-consent a{color:var(--wood);text-decoration:underline}

.tech{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.tc .ic{font-size:28px;margin-bottom:12px}.tc h3{font-size:17px;margin:0 0 6px}.tc p{color:var(--mut);font-size:14px;margin:0}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stp{text-align:center}
.stp .n{width:52px;height:52px;border-radius:12px;background:var(--paper);border:1px solid var(--line);display:grid;place-items:center;font-weight:800;font-size:20px;margin:0 auto 12px;color:var(--wood-d)}
.stp h3{font-size:16px;margin:0 0 6px}.stp p{color:var(--mut);font-size:14px;margin:0}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper)}
.cform{padding:40px}.cform h3{font-size:23px;margin:0 0 6px}.cform .sub{color:var(--mut);margin:0 0 18px}
.field{margin-bottom:13px}.field label{display:block;font-size:14px;color:var(--mut);margin-bottom:6px;font-weight:600}
.field input,.field textarea{width:100%;background:var(--bg);border:1.5px solid var(--line);border-radius:10px;padding:13px 15px;color:var(--ink);font:inherit}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--wood)}
.cform .lp-consent{color:var(--mut)}.cform .lp-consent a{color:var(--wood-d)}
.cinfo{padding:40px;background:var(--char);color:#fff}
.cinfo h3{font-size:21px;margin:0 0 20px}
.cinfo .line{display:flex;gap:13px;align-items:center;margin-bottom:15px}
.cinfo .line .ic{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.1);display:grid;place-items:center;font-size:17px;flex:0 0 auto;color:var(--wood)}
.cinfo .map{margin-top:18px;border-radius:10px;overflow:hidden;min-height:160px;background:rgba(255,255,255,.08)}
.cinfo .map iframe{width:100%;height:210px;border:0;display:block}
.cinfo .map .stub{display:grid;place-items:center;height:180px;color:rgba(255,255,255,.7);font-size:14px}

.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:10px;font-weight:600;box-shadow:0 20px 50px rgba(0,0,0,.16)}
.lp-flash--ok{background:#eef3e9;border:1px solid var(--sage);color:#4a5a3c}
.lp-flash--err{background:#f7ece4;border:1px solid var(--wood);color:var(--wood-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:46px 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(24px);transition:.7s var(--ease)}.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

@media(max-width:960px){
  .hero .wrap,.config,.contact{grid-template-columns:1fr}
  .result{position:static}.tech{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}
  .nav{display:none}.burger{display:block}
}
@media(max-width:600px){
  .projects{grid-template-columns:1fr}.tech,.steps{grid-template-columns:1fr}
  .sec{padding:56px 0}.config-main,.result{padding:22px}.cform,.cinfo{padding:28px 22px}
}

/* --- built gallery / reviews / faq --- */
.built{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bh{border-radius:16px;overflow:hidden;position:relative;height:210px;background:linear-gradient(165deg,var(--c),#3a3a34)}
.bh span{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;color:#fff;font-weight:700;font-size:14px;background:linear-gradient(transparent,rgba(20,20,18,.72))}
.bh em{display:block;font-style:normal;font-weight:500;font-size:12px;opacity:.85}
.revs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rev{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:26px}
.rev .st{color:var(--wood);letter-spacing:3px;margin-bottom:12px}
.rev p{font-size:14px;margin:0 0 16px;color:var(--ink)}
.rev .who b{display:block;font-size:14px}.rev .who span{color:var(--mut);font-size:12px}
.faq{max-width:760px;margin:0 auto}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:800;font-size:16px;display:flex;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ar{color:var(--wood-d);transition:transform .3s var(--ease)}
.faq details[open] summary .ar{transform:rotate(45deg)}
.faq .a{padding:0 22px 18px;color:var(--mut);font-size:14px}
@media(max-width:960px){.built,.revs{grid-template-columns:1fr}}