/* Quant — общий стиль витрины. Apple-минимализм, белый, воздух, один акцент. */
:root{
  --bg:#ffffff;
  --bg-alt:#f5f5f7;
  --bg-dark:#000000;
  --text:#1d1d1f;
  --text-2:#6e6e73;
  --line:#e8e8ed;
  --accent:#0071e3;
  --accent-hover:#0077ed;
  --radius:20px;
  --maxw:1024px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'SF Pro Display','Helvetica Neue',Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);color:var(--text);background:var(--bg);
  line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:110px 0}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.72);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--line);
}
.nav{max-width:var(--maxw);margin:0 auto;height:52px;display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:19px;letter-spacing:-.02em}
.brand svg{display:block}
.menu{display:flex;align-items:center;gap:6px}
.menu a{font-size:14px;color:var(--text-2);padding:8px 12px;border-radius:980px;transition:color .2s}
.menu a:hover{color:var(--text)}
.menu .cta{background:var(--accent);color:#fff;font-weight:500;padding:8px 17px;transition:background .2s}
.menu .cta:hover{background:var(--accent-hover);color:#fff}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;border-radius:2px;transition:.25s}

/* ---------- buttons ---------- */
.btn{display:inline-block;font-size:17px;font-weight:500;padding:13px 28px;border-radius:980px;transition:.2s;cursor:pointer;border:0;text-align:center}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-block{display:block;width:100%}
.link-arrow{font-size:17px;color:var(--accent);font-weight:400}
.link-arrow:hover{text-decoration:underline}

/* ---------- hero ---------- */
.hero{padding:130px 0 120px;text-align:center}
.hero h1{font-size:clamp(40px,6.2vw,72px);line-height:1.05;letter-spacing:-.03em;font-weight:600;max-width:16ch;margin:0 auto}
.hero p{font-size:clamp(19px,2.4vw,25px);color:var(--text-2);max-width:36ch;margin:24px auto 0;line-height:1.35;letter-spacing:-.01em}
.hero-cta{margin-top:40px;display:flex;gap:22px;justify-content:center;align-items:center;flex-wrap:wrap}
/* компактный hero для подстраниц */
.hero-sub{padding:76px 0 20px;text-align:center}
.hero-sub h1{font-size:clamp(34px,5vw,56px);line-height:1.06;letter-spacing:-.03em;font-weight:600;max-width:18ch;margin:0 auto}
.hero-sub p{font-size:clamp(18px,2.2vw,22px);color:var(--text-2);max-width:40ch;margin:20px auto 0;line-height:1.35;letter-spacing:-.01em}

/* ---------- breadcrumb ---------- */
.crumbs{max-width:var(--maxw);margin:0 auto;padding:16px 24px 0;font-size:13px;color:var(--text-2)}
.crumbs a:hover{color:var(--text)}
.crumbs span{color:var(--text)}

/* ---------- section heads ---------- */
.sec-head{text-align:center;max-width:26ch;margin:0 auto 60px}
.sec-head h2{font-size:clamp(30px,4.2vw,48px);letter-spacing:-.025em;font-weight:600;line-height:1.08}
.sec-head p{margin-top:16px;font-size:19px;color:var(--text-2);letter-spacing:-.01em}
.eyebrow{display:block;font-size:15px;font-weight:600;color:var(--accent);letter-spacing:.01em;margin-bottom:12px}

/* ---------- grids ---------- */
.alt{background:var(--bg-alt)}
.grid{display:grid;gap:22px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
/* саморастущая сетка услуг */
.services-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}

/* ---------- pains ---------- */
.pain{background:var(--bg);border-radius:var(--radius);padding:30px 26px}
.pain .ico{width:40px;height:40px;color:var(--accent);margin-bottom:16px}
.pain h3{font-size:19px;letter-spacing:-.01em;margin-bottom:8px;font-weight:600}
.pain p{font-size:15px;color:var(--text-2);line-height:1.45}

/* ---------- services (doors) ---------- */
.door{background:var(--bg);border:1px solid var(--line);border-radius:28px;padding:44px 40px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.door:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.door .ico{width:44px;height:44px;color:var(--accent);margin-bottom:22px}
.door h3{font-size:27px;letter-spacing:-.02em;font-weight:600}
.door p{font-size:17px;color:var(--text-2);margin-top:12px;line-height:1.45;flex:1}
.door .go{margin-top:26px;color:var(--accent);font-size:17px;font-weight:500}
.door:hover .go{text-decoration:underline}
.door.soon{opacity:.7;cursor:default}
.door.soon:hover{transform:none;box-shadow:none}
.badge{display:inline-block;font-size:12px;font-weight:600;color:var(--text-2);background:var(--bg-alt);border:1px solid var(--line);border-radius:980px;padding:3px 10px;margin-left:8px;vertical-align:middle}

/* ---------- steps ---------- */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.step{position:relative;padding-top:16px}
.step::before{counter-increment:s;content:counter(s);display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;font-weight:600;font-size:17px;margin-bottom:20px}
.step h3{font-size:21px;letter-spacing:-.01em;font-weight:600;margin-bottom:10px}
.step p{font-size:16px;color:var(--text-2);line-height:1.5}

/* ---------- checklist (что получите) ---------- */
.checks{max-width:640px;margin:0 auto;display:grid;gap:18px}
.check{display:flex;gap:16px;align-items:flex-start}
.check svg{flex-shrink:0;width:26px;height:26px;color:var(--accent);margin-top:2px}
.check h3{font-size:19px;font-weight:600;letter-spacing:-.01em;margin-bottom:4px}
.check p{font-size:16px;color:var(--text-2);line-height:1.45}

/* ---------- chips (кому подходит) ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:760px;margin:0 auto}
.chip{background:var(--bg);border:1px solid var(--line);border-radius:980px;padding:10px 20px;font-size:16px;color:var(--text)}

/* ---------- works (dark) ---------- */
.dark{background:var(--bg-dark);color:#f5f5f7}
.dark .sec-head h2{color:#f5f5f7}
.dark .sec-head p{color:#a1a1a6}
.dark .eyebrow{color:#2d9bff}
.work{background:#1c1c1e;border-radius:var(--radius);padding:34px 30px}
.work .stat{font-size:52px;font-weight:600;letter-spacing:-.03em;color:#fff;line-height:1}
.work h3{font-size:20px;font-weight:600;margin:14px 0 8px;color:#f5f5f7}
.work p{font-size:15px;color:#a1a1a6;line-height:1.5}
.work .go{display:inline-block;margin-top:18px;color:#2d9bff;font-size:16px;font-weight:500}
.work .go:hover{text-decoration:underline}
.quote{background:#1c1c1e;border-radius:var(--radius);padding:34px 30px}
.quote p{font-size:18px;color:#f5f5f7;line-height:1.5;letter-spacing:-.01em}
.quote span{display:block;margin-top:16px;font-size:14px;color:#a1a1a6}
.note{text-align:center;margin-top:34px;font-size:13px;color:#6e6e73}

/* ---------- form ---------- */
.form-card{max-width:560px;margin:0 auto;background:var(--bg);border:1px solid var(--line);border-radius:28px;padding:40px}
.field{margin-bottom:22px}
.field label{display:block;font-size:15px;font-weight:600;margin-bottom:8px}
.field .hint{font-weight:400;color:var(--text-2)}
.input,.textarea,.select{width:100%;font-family:inherit;font-size:16px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:13px 15px;transition:border-color .2s}
.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--accent)}
.textarea{min-height:110px;resize:vertical}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:13px;color:var(--text-2);line-height:1.5;margin-bottom:24px}
.consent input{width:18px;height:18px;margin-top:2px;flex-shrink:0;accent-color:var(--accent);cursor:pointer}
.consent a{color:var(--accent)}

/* ---------- multi-step form (бриф) ---------- */
.btn-ghost{background:var(--bg-alt);color:var(--text)}
.btn-ghost:hover{background:#e8e8ed}
.btn:disabled{opacity:.4;cursor:not-allowed}
.qprogress{margin-bottom:26px}
.qprogress-text{font-size:13px;color:var(--text-2);margin-bottom:10px;display:flex;justify-content:space-between;align-items:center}
.q-ai{color:var(--accent);font-weight:600}
.qbar{height:4px;background:var(--line);border-radius:980px;overflow:hidden}
.qbar-fill{height:100%;background:var(--accent);border-radius:980px;width:0;transition:width .35s ease}
.qstep h3{font-size:23px;letter-spacing:-.02em;font-weight:600;line-height:1.15}
.qstep .q-help{font-size:15px;color:var(--text-2);margin-top:8px;line-height:1.45}
.qstep .q-field{margin-top:22px}
.qopts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.qopt{border:1px solid var(--line);background:var(--bg);border-radius:14px;padding:13px 18px;font-size:16px;cursor:pointer;transition:.15s;user-select:none}
.qopt:hover{border-color:#c7c7cc}
.qopt.sel{border-color:var(--accent);background:#f0f7ff;color:var(--accent);font-weight:500}
.q-error{display:none;color:#c0392b;font-size:14px;margin-top:16px}
.qnav{display:flex;gap:12px;margin-top:30px}
.qnav .btn{flex:1}
.q-intro-ico{width:48px;height:48px;color:var(--accent);margin-bottom:18px}

/* ---------- faq ---------- */
.faq{max-width:720px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:24px 0;font-size:19px;font-weight:600;letter-spacing:-.01em;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:24px;font-weight:400;color:var(--text-2);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{padding:0 0 24px;font-size:16px;color:var(--text-2);line-height:1.55;max-width:60ch}

/* ---------- final cta ---------- */
.final{text-align:center;background:var(--bg-alt)}
.final h2{font-size:clamp(30px,4.4vw,50px);letter-spacing:-.025em;font-weight:600;max-width:18ch;margin:0 auto;line-height:1.08}
.final p{font-size:19px;color:var(--text-2);margin:18px auto 0;max-width:38ch}
.final .btn{margin-top:34px}

/* ---------- footer ---------- */
.footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 44px;font-size:13px;color:var(--text-2)}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot-col h4{font-size:13px;color:var(--text);font-weight:600;margin-bottom:14px}
.foot-col a{display:block;color:var(--text-2);padding:4px 0;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-bottom{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);line-height:1.6}

/* ---------- showcase (текст + визуал) ---------- */
.showcase{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.showcase .txt h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.025em;font-weight:600;line-height:1.1}
.showcase .txt p{margin-top:16px;font-size:18px;color:var(--text-2);line-height:1.5}
.showcase .visual{display:flex;justify-content:center}

/* ---------- телефон-mockup c Telegram-каналом ---------- */
.phone{width:280px;background:#fff;border:1px solid var(--line);border-radius:38px;padding:12px;box-shadow:0 30px 60px rgba(0,0,0,.12)}
.phone .screen{background:#eef1f5;border-radius:28px;overflow:hidden}
.tg-top{background:#527da3;color:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px}
.tg-top .av{width:34px;height:34px;border-radius:50%;background:#fff;color:#527da3;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.tg-top .nm{font-size:14px;font-weight:600;line-height:1.2}
.tg-top .nm small{display:block;font-weight:400;opacity:.85;font-size:11px}
.tg-body{padding:16px 12px;display:flex;flex-direction:column;gap:10px;min-height:300px}
.tg-msg{background:#fff;border-radius:14px;border-top-left-radius:4px;padding:10px 12px;font-size:13px;line-height:1.4;color:#1d1d1f;max-width:88%;box-shadow:0 1px 1px rgba(0,0,0,.05)}
.tg-msg .h{font-weight:600;margin-bottom:3px;color:#2f6ea5;font-size:12px}
.tg-msg time{display:block;text-align:right;font-size:10px;color:#9aa4ad;margin-top:4px}
.tg-msg.ai{background:#e3f0ff}

/* ---------- mockup «план в Telegram» ---------- */
.plan-mock{width:100%;max-width:340px;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.10)}
.plan-mock .pm-top{background:var(--text);color:#fff;padding:16px 18px;font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px}
.plan-mock .pm-body{padding:18px}
.plan-mock .pm-row{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.4}
.plan-mock .pm-row:last-child{border-bottom:0}
.plan-mock .pm-row .n{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-weight:600;display:flex;align-items:center;justify-content:center}
.plan-mock .pm-row b{display:block;font-weight:600;color:var(--text)}
.plan-mock .pm-row span{color:var(--text-2)}

/* ---------- pricing band ---------- */
.price-card{max-width:720px;margin:0 auto;background:var(--bg);border:1px solid var(--line);border-radius:24px;padding:40px;text-align:center}
.price-card .big{font-size:clamp(26px,3.4vw,34px);font-weight:600;letter-spacing:-.02em;line-height:1.2}
.price-card .big b{color:var(--accent)}
.price-card p{margin-top:14px;font-size:17px;color:var(--text-2);line-height:1.5;max-width:52ch;margin-left:auto;margin-right:auto}

/* ---------- result stats (замена отзывам) ---------- */
.result{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;text-align:center}
.result .num{font-size:44px;font-weight:600;letter-spacing:-.03em;color:var(--accent);line-height:1}
.result p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.45}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .showcase{grid-template-columns:1fr;gap:36px}
  .price-card{padding:28px 22px}
  section{padding:80px 0}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3,.g2,.steps{grid-template-columns:1fr}
  .form-card{padding:28px 22px}
  .menu{display:none;position:absolute;top:52px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:rgba(255,255,255,.96);backdrop-filter:blur(20px);padding:12px 16px 20px;border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
  .menu a{padding:12px;font-size:16px;color:var(--text)}
  .menu .cta{text-align:center;margin-top:6px}
  .burger{display:block}
}

/* ---------- iPhone / узкий мобайл ---------- */
html,body{overflow-x:hidden;max-width:100%}
@media(max-width:600px){
  .wrap{padding:0 20px}
  section{padding:64px 0}
  .hero{padding:80px 0 64px}
  .hero h1{font-size:clamp(31px,8.6vw,42px);max-width:20ch}
  .hero p{font-size:18px;max-width:34ch}
  .hero-cta{gap:16px;margin-top:32px}
  .hero-sub{padding:60px 0 16px}
  .hero-sub h1{font-size:clamp(28px,8vw,38px)}
  .hero-sub p{font-size:17px}
  .sec-head{margin-bottom:40px}
  .sec-head h2{font-size:clamp(26px,7.4vw,34px)}
  .final h2{font-size:clamp(27px,7.6vw,36px)}
  /* CTA на всю ширину — удобно большим пальцем */
  .hero-cta .btn-primary,.final .btn-primary{display:block;width:100%;max-width:420px}
  .hero-cta{flex-direction:column}
  .hero-cta .link-arrow{font-size:16px}
  .door{padding:32px 26px;border-radius:22px}
  .door h3{font-size:23px}
  .offer-band,.price-card,.form-card{border-radius:22px}
  .foot-grid{gap:28px}
  .faq summary{font-size:17px}
}
@supports(padding:max(0px)){
  .wrap{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}
}