/* Натяжные потолки — воздушная светлая тема, лиловый/голубой градиент, «мягкий свет». */
:root{
  --bg:#f6f5fc;--paper:#ffffff;--ink:#1c1b2e;--mut:#6c6a83;--line:#e7e4f3;
  --vio:#7c5cff;--vio-d:#5f42d6;--cyan:#3bc9db;--radius:20px;--max:1160px;
  --ease:cubic-bezier(.2,.8,.25,1);--font:'Jost',-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:90px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 28px;border-radius:100px;font-weight:600;font-size:16px;cursor:pointer;border:0;transition:.22s var(--ease);font-family:inherit}
.btn--vio{background:linear-gradient(135deg,var(--vio),var(--cyan));color:#fff;box-shadow:0 12px 28px rgba(124,92,255,.32)}
.btn--vio:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(124,92,255,.42)}
.btn--out{background:#fff;border:1.5px solid var(--line);color:var(--ink)}.btn--out:hover{border-color:var(--vio);color:var(--vio-d)}
.btn--wide{width:100%}
.arrow{transition:.2s}.btn:hover .arrow{transform:translateX(3px)}

.hdr{position:sticky;top:0;z-index:100;background:rgba(246,245,252,.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:72px;gap:16px}
.logo{font-size:22px;font-weight:700}.logo b{background:linear-gradient(135deg,var(--vio),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:24px}.nav a{color:var(--mut);font-weight:500;font-size:15px}.nav a:hover{color:var(--ink)}
.hdr .ph{font-weight:700;font-size:17px}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}

.hero{padding:60px 0 0;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(124,92,255,.25),transparent 70%);top:-200px;right:-160px;filter:blur(40px)}
.hero .grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;position:relative}
.hero .badge{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:100px;padding:7px 15px;font-weight:600;font-size:13px;color:var(--vio-d);margin-bottom:20px}
.hero h1{font-size:clamp(36px,5.4vw,58px);line-height:1.05;font-weight:700;margin:0 0 16px;letter-spacing:-.01em}
.hero h1 span{background:linear-gradient(135deg,var(--vio),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:19px;color:var(--mut);margin:0 0 26px;max-width:500px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero .mini{display:flex;gap:26px;flex-wrap:wrap}
.hero .mini b{font-size:24px;font-weight:700;color:var(--vio-d);display:block;line-height:1}
.hero .mini span{color:var(--mut);font-size:13px}

/* ceiling preview + light selector */
.preview{border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 60px rgba(28,27,46,.15);background:#0e1230;aspect-ratio:5/4;position:relative;transition:.5s}
.preview .room{position:absolute;inset:0;transition:.5s}
.preview.matte .room{background:linear-gradient(180deg,#e9e7f2 0%,#d7d4e6 60%,#c7c3da 100%)}
.preview.gloss .room{background:linear-gradient(180deg,#cfe6f5 0%,#a9cdec 45%,#7fb0dd 100%)}
.preview.gloss .room::after{content:"";position:absolute;top:8%;left:14%;width:34%;height:24%;background:rgba(255,255,255,.5);filter:blur(18px);border-radius:50%}
.preview.stars .room{background:radial-gradient(circle at 30% 30%,#1a2a5a,#0a0f28)}
.preview.stars .room::before{content:"";position:absolute;inset:0;background-image:radial-gradient(#fff 1px,transparent 1px),radial-gradient(#cfe0ff 1px,transparent 1px);background-size:34px 34px,58px 58px;background-position:0 0,20px 20px;opacity:.8;animation:twinkle 4s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.5}50%{opacity:.95}}
.preview .light{position:absolute;width:26px;height:26px;border-radius:50%;background:radial-gradient(circle,#fff,#ffe9a8 60%,transparent);box-shadow:0 0 22px #ffe9a8}
.preview .light.l1{top:26%;left:26%}.preview .light.l2{top:26%;right:26%}.preview .light.l3{bottom:30%;left:44%}
.preview.stars .light{display:none}
.lightsel{display:flex;gap:10px;margin-top:16px}
.lightsel button{flex:1;padding:12px 8px;border:1.5px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;font:inherit;font-weight:600;font-size:14px;transition:.2s}
.lightsel button:hover{border-color:var(--vio)}
.lightsel button.active{border-color:var(--vio);background:var(--vio);color:#fff}

.head{text-align:center;max-width:640px;margin:0 auto 44px}
.head .k{color:var(--vio);font-weight:600;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}
.head h2{font-size:clamp(28px,4.2vw,44px);font-weight:700;margin:0 0 12px;letter-spacing:-.01em;line-height:1.1}
.head p{color:var(--mut);font-size:18px;margin:0}

.types{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.type{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s var(--ease)}
.type:hover{transform:translateY(-5px);box-shadow:0 22px 44px rgba(28,27,46,.1)}
.type .ph{height:150px;background:var(--g)}
.type .b{padding:22px}.type h3{margin:0 0 6px;font-size:20px;font-weight:600}
.type p{color:var(--mut);font-size:14px;margin:0 0 12px}
.type .pr{font-weight:700;color:var(--vio-d)}

/* area calculator */
.calc{background:linear-gradient(135deg,#241d4a,#3a2a7a);color:#fff;border-radius:26px;padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;position:relative;overflow:hidden}
.calc::before{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(59,201,219,.3),transparent 70%);top:-150px;left:-100px}
.calc h3{font-size:26px;margin:0 0 6px;position:relative}.calc .sub{opacity:.8;margin:0 0 22px;position:relative}
.crow{margin-bottom:16px;position:relative}
.crow label{display:flex;justify-content:space-between;font-weight:600;font-size:14px;margin-bottom:7px}
.crow input[type=range]{width:100%;accent-color:var(--cyan)}
.crow .segs{display:flex;gap:8px}
.crow .segs button{flex:1;padding:11px 6px;border:1px solid rgba(255,255,255,.25);border-radius:10px;background:rgba(255,255,255,.08);color:#fff;cursor:pointer;font:inherit;font-size:14px;transition:.2s}
.crow .segs button.active{background:var(--cyan);border-color:var(--cyan);color:#08222a;font-weight:700}
.calc__out{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:28px;text-align:center;position:relative}
.calc__out .lbl{opacity:.8;font-size:14px}
.calc__out .big{font-size:40px;font-weight:700;margin:6px 0 18px;line-height:1}
.calc__out input[type=text]{width:100%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:10px;padding:12px 14px;color:#fff;font:inherit;margin-bottom:10px}
.calc__out input::placeholder{color:rgba(255,255,255,.65)}
.calc__out .btn{background:#fff;color:var(--vio-d)}
.lp-consent{display:flex;gap:9px;align-items:flex-start;font-size:11px;opacity:.85;margin:10px 0;cursor:pointer;text-align:left}
.lp-consent input{margin-top:2px;width:16px;height:16px;flex:0 0 auto}
.lp-consent a{color:#fff;text-decoration:underline}

.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery .g{aspect-ratio:1;border-radius:14px;background:var(--c);position:relative;overflow:hidden}
.gallery .g span{position:absolute;left:0;right:0;bottom:0;padding:12px;font-size:13px;font-weight:600;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.55))}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stp .n{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--vio),var(--cyan));color:#fff;display:grid;place-items:center;font-weight:700;font-size:22px;margin:0 auto 14px}
.stp h3{font-size:17px;margin:0 0 6px;font-weight:600}.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:var(--radius);overflow:hidden;background:var(--paper)}
.cform{padding:40px}.cform h3{font-size:23px;margin:0 0 6px;font-weight:600}.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:12px;padding:13px 15px;color:var(--ink);font:inherit}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--vio)}
.cform .lp-consent{color:var(--mut);opacity:1}.cform .lp-consent a{color:var(--vio-d)}
.cinfo{padding:40px;background:linear-gradient(160deg,#241d4a,#3a2a7a);color:#fff}
.cinfo h3{font-size:21px;margin:0 0 20px;font-weight:600}
.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,.14);display:grid;place-items:center;font-size:17px;flex:0 0 auto}
.cinfo .map{margin-top:18px;border-radius:12px;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:12px;font-weight:600;box-shadow:0 20px 50px rgba(0,0,0,.16)}
.lp-flash--ok{background:#e9f8f0;border:1px solid #22a06b;color:#14684a}
.lp-flash--err{background:#fdecef;border:1px solid #e0567a;color:#a52745}
.lp-flash__close{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:0;color:inherit;font-size:22px;cursor:pointer}

.footer{padding:50px 0 28px;border-top:1px solid var(--line)}
.footer .top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:24px}
.footer .cols{display:flex;gap:46px;flex-wrap:wrap}
.footer .col b{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;color:var(--mut);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}.preview.stars .room::before{animation:none}}

@media(max-width:960px){
  .hero .grid,.calc,.contact{grid-template-columns:1fr}
  .types{grid-template-columns:repeat(2,1fr)}.gallery{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .nav{display:none}.burger{display:block}
}
@media(max-width:600px){
  .types,.steps{grid-template-columns:1fr}
  .sec{padding:60px 0}.calc{padding:28px 22px}.cform,.cinfo{padding:28px 22px}
}

/* --- reviews / faq --- */
.revs2{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rv2{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px}
.rv2 .st{color:var(--vio);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: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(--vio);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}
@media(max-width:960px){.revs2{grid-template-columns:1fr}}