/* ГЕЛИОС — солнечные станции: солнечно-небесная палитра, янтарь + небо + эко-зелень, чистый Manrope. */
:root{
  --bg:#eef4fb;--paper:#ffffff;--panel:#f3f8fd;--ink:#12233a;--mut:#54677e;--line:#dce6f0;
  --sun:#f5a524;--sun-d:#dd8c0c;--sky:#2f8fd6;--sky-d:#1f74b8;--green:#16a34a;--navy:#0f2e44;
  --radius:18px;--max:1180px;--ease:cubic-bezier(.22,.8,.2,1);
  --disp:'Manrope',-apple-system,Segoe UI,Arial,sans-serif;--sans:'Inter',-apple-system,Segoe UI,Arial,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;-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 26px}
.sec{padding:88px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 28px;border-radius:12px;font-family:var(--disp);font-weight:800;font-size:15px;cursor:pointer;border:0;transition:.2s var(--ease)}
.btn--sun{background:var(--sun);color:#3a2400;box-shadow:0 10px 26px -8px rgba(245,165,36,.6)}.btn--sun:hover{background:var(--sun-d)}
.btn--sky{background:var(--sky);color:#fff}.btn--sky:hover{background:var(--sky-d)}
.btn--out{background:var(--paper);border:1px solid var(--line);color:var(--ink)}.btn--out:hover{border-color:var(--sky);color:var(--sky-d)}
.btn--wide{width:100%}
.arrow{transition:.2s}.btn:hover .arrow{transform:translateX(3px)}

.hdr{position:sticky;top:0;z-index:100;background:rgba(238,244,251,.9);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:74px;gap:16px}
.logo{font-family:var(--disp);font-size:24px;font-weight:800;letter-spacing:.02em;color:var(--navy)}
.nav{display:flex;gap:26px}.nav a{color:var(--mut);font-weight:600;font-size:14px}.nav a:hover{color:var(--ink)}
.hdr .r{display:flex;align-items:center;gap:16px}.hdr .ph{font-weight:800;font-size:15px}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}

.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;right:-4%;top:-30%;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(245,165,36,.2),transparent 65%)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:58px 26px;position:relative}
.hero .badge{display:inline-flex;align-items:center;gap:8px;background:var(--paper);border:1px solid var(--line);border-radius:40px;padding:7px 15px;font-weight:700;font-size:13px;color:var(--sun-d);margin-bottom:20px}
.hero h1{font-family:var(--disp);font-weight:800;font-size:clamp(38px,5.2vw,60px);line-height:1.05;margin:0 0 18px;letter-spacing:-.02em}
.hero h1 span{color:var(--sun-d)}
.hero .lead{font-size:18px;color:var(--mut);max-width:500px;margin:0 0 30px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero .facts{display:flex;gap:32px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:22px}
.hero .facts b{font-family:var(--disp);font-size:30px;color:var(--sun-d);display:block;line-height:1}
.hero .facts span{color:var(--mut);font-size:12px}

/* дом с панелями */
.scene{background:linear-gradient(180deg,#bfe0f5,#e9f3fb);border:1px solid var(--line);border-radius:20px;padding:30px;position:relative;overflow:hidden;box-shadow:0 40px 90px -30px rgba(18,35,58,.28);min-height:300px}
.scene .sun{position:absolute;right:34px;top:30px;width:70px;height:70px;border-radius:50%;background:radial-gradient(circle,#ffe08a,var(--sun));box-shadow:0 0 50px 12px rgba(245,165,36,.5)}
.scene .house{position:absolute;left:8%;right:8%;bottom:24px}
.scene .roof{height:0;border-left:120px solid transparent;border-right:120px solid transparent;border-bottom:64px solid #6a7a8a;margin:0 auto;width:0;position:relative}
.scene .panels{position:absolute;left:50%;top:18px;transform:translateX(-50%) perspective(200px) rotateX(30deg);display:flex;gap:4px}
.scene .panels i{width:26px;height:34px;background:linear-gradient(160deg,#1f5f8f,#0e3a5c);border:1px solid #4a86b8;border-radius:2px}
.scene .body{background:#f4efe6;border:1px solid #d8cdba;border-radius:0 0 8px 8px;height:120px;display:flex;align-items:flex-end;justify-content:center;gap:20px;padding:12px;margin-top:-2px}
.scene .body .win{width:34px;height:40px;background:#a9d3ef;border-radius:4px}
.scene .body .door{width:30px;height:56px;background:#8a6a4a;border-radius:4px}
.scene .flow{position:absolute;right:34px;top:110px;background:rgba(255,255,255,.9);border-radius:12px;padding:12px 16px;box-shadow:0 8px 24px rgba(18,35,58,.15)}
.scene .flow b{font-family:var(--disp);font-size:20px;color:var(--green);display:block}
.scene .flow span{font-size:11px;color:var(--mut)}

.head{max-width:640px;margin:0 auto 46px;text-align:center}
.head.left{text-align:left;margin:0 0 44px}
.head .k{font-family:var(--disp);color:var(--sun-d);font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px;font-weight:700}
.head h2{font-family:var(--disp);font-weight:800;font-size:clamp(30px,4.2vw,46px);margin:0 0 12px;line-height:1.06;letter-spacing:-.01em}
.head p{color:var(--mut);font-size:18px;margin:0}

.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fc{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s var(--ease)}
.fc:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(18,35,58,.1)}
.fc .ic{width:48px;height:48px;border-radius:14px;background:var(--panel);display:grid;place-items:center;font-size:24px;margin-bottom:12px}
.fc h3{font-family:var(--disp);font-size:18px;margin:0 0 6px}.fc p{color:var(--mut);font-size:14px;margin:0}

/* калькулятор */
.calc{display:grid;grid-template-columns:1.05fr .95fr;gap:0;background:var(--paper);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 30px 70px -24px rgba(18,35,58,.2)}
.calc__in{padding:36px}
.calc__in h3{font-family:var(--disp);font-size:22px;margin:0 0 4px}.calc__in .s{color:var(--mut);font-size:14px;margin:0 0 22px}
.rrow{margin-bottom:22px}.rrow label{display:flex;justify-content:space-between;font-size:14px;font-weight:600;margin-bottom:10px}.rrow label b{font-family:var(--disp);color:var(--sun-d)}
.rrow input[type=range]{width:100%;accent-color:var(--sun)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--panel);border-radius:40px;padding:9px 15px;font-size:14px;font-weight:600;cursor:pointer;transition:.15s;color:var(--mut)}
.chip:hover{border-color:var(--sun);color:var(--ink)}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
.calc__out{background:linear-gradient(170deg,var(--navy),#0a2233);color:#fff;padding:36px;display:flex;flex-direction:column}
.calc__out h4{font-family:var(--disp);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.6);margin:0 0 16px}
.calc__out .pgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.calc__out .m{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px}
.calc__out .m span{font-size:12px;color:rgba(255,255,255,.6)}.calc__out .m b{display:block;font-family:var(--disp);font-size:24px;margin-top:4px}
.calc__out .m.hl b{color:var(--sun)}
.calc__out .pay{background:rgba(22,163,74,.16);border:1px solid rgba(22,163,74,.4);border-radius:12px;padding:12px 16px;margin-bottom:16px;font-size:14px}
.calc__out .pay b{color:#5ee68f;font-family:var(--disp);font-size:20px}
.calc__out input[type=text]{width:100%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:10px;padding:12px 14px;color:#fff;font:inherit;margin-bottom:9px}
.calc__out input:focus{outline:none;border-color:var(--sun)}
.calc__out .lp-consent{color:rgba(255,255,255,.6);font-size:11px;margin:6px 0 12px}.calc__out .lp-consent a{color:var(--sun)}

.revs2{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rv2{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.rv2 .st{color:var(--sun);letter-spacing:3px;margin-bottom:12px}
.rv2 p{font-size:14px;margin:0 0 16px}.rv2 .who b{display:block;font-size:14px}.rv2 .who span{color:var(--mut);font-size:12px}

.faq2{max-width:760px;margin:0 auto}
.faq2 details{background:var(--paper);border:1px solid var(--line);border-radius:16px;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(--sun-d);transition:transform .3s var(--ease);font-family:var(--disp)}
.faq2 details[open] summary .ar{transform:rotate(45deg)}
.faq2 .a{padding:0 22px 18px;color:var(--mut);font-size:14px}

.contact{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--paper)}
.cform{padding:40px}.cform h3{font-family:var(--disp);font-size:26px;margin:0 0 6px}.cform .sub{color:var(--mut);margin:0 0 20px}
.field{margin-bottom:13px}.field label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--mut);margin-bottom:6px;font-weight:700}
.field input,.field textarea{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:13px 15px;color:var(--ink);font:inherit}
.field textarea{min-height:80px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--sun)}
.lp-consent{display:flex;gap:9px;align-items:flex-start;font-size:12px;color:var(--mut);margin:8px 0 14px;cursor:pointer}
.lp-consent input{margin-top:2px;width:16px;height:16px;flex:0 0 auto;accent-color:var(--sun)}
.lp-consent a{color:var(--sky-d);text-decoration:underline}
.cinfo{padding:40px;background:linear-gradient(160deg,var(--navy),#0a2233);color:#fff}
.cinfo h3{font-family:var(--disp);font-size:22px;margin:0 0 22px}
.cinfo .line{display:flex;gap:13px;align-items:center;margin-bottom:16px}
.cinfo .line .ic{width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.08);display:grid;place-items:center;font-size:17px;flex:0 0 auto;color:var(--sun)}
.cinfo .map{margin-top:18px;border-radius:12px;overflow:hidden;min-height:150px;background:rgba(255,255,255,.06)}
.cinfo .map iframe{width:100%;height:200px;border:0;display:block}
.cinfo .map .stub{display:grid;place-items:center;height:170px;color:rgba(255,255,255,.6);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:14px;font-weight:600;box-shadow:0 20px 50px rgba(18,35,58,.18)}
.lp-flash--ok{background:#e7f7ee;border:1px solid var(--green);color:#15803d}
.lp-flash--err{background:#fdecec;border:1px solid #e05252;color:#a83232}
.lp-flash__close{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:0;color:inherit;font-size:22px;cursor:pointer}

.footer{background:var(--navy);color:rgba(255,255,255,.68);padding:52px 0 30px}
.footer .top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:26px}
.footer .logo{color:#fff;margin-bottom:8px}
.footer .cols{display:flex;gap:56px;flex-wrap:wrap}
.footer .col b{display:block;color:#fff;font-size:13px;margin-bottom:12px}
.footer .col a{display:block;color:rgba(255,255,255,.65);font-size:14px;padding:4px 0}.footer .col a:hover{color:var(--sun)}
.footer .legal{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px}

.reveal{opacity:0;transform:translateY(24px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:34px}
  .feat{grid-template-columns:1fr 1fr}
  .calc{grid-template-columns:1fr}
  .revs2{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .nav{display:none}
}
@media(max-width:560px){.feat{grid-template-columns:1fr}.calc__out .pgrid{grid-template-columns:1fr}}