:root{
  --bg:#f7f6f3;--surface:#fff;--text:#1b2432;--muted:#5c6675;--line:#e4e2dc;
  --accent:#e07a1f;--accent-ink:#a8520c;--accent-soft:#fdf0e2;
  --navy:#1b2432;--on-navy:#f7f5f1;--on-navy-muted:#b7bfcb;
  --ok:#1f8a4c;--err:#c0392b;
  --r:14px;--shadow:0 1px 2px rgba(27,36,50,.05),0 4px 16px rgba(27,36,50,.05);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#11161e;--surface:#19202b;--text:#eef0f3;--muted:#a3acb9;--line:#2a3240;
    --accent:#f5a34d;--accent-ink:#f5a34d;--accent-soft:#33261a;
    --navy:#0c1118;--on-navy:#f7f5f1;--on-navy-muted:#a3acb9;
    --ok:#4cc27c;--err:#ff7a6b;--shadow:none;
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent-ink)}
img{display:block;max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.2;margin:0}
h1{font-size:44px;letter-spacing:-.02em}
h2{font-size:28px;letter-spacing:-.01em;margin-bottom:16px}
h3{font-size:17px;margin:10px 0 6px}
p{margin:0 0 12px}
.muted{color:var(--muted)}

/* шапка */
.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:24px;height:64px}
.brand img{width:150px;height:auto}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a,.phone{color:var(--text);text-decoration:none;font-size:15px}
.nav a:hover,.phone:hover{color:var(--accent-ink)}
.phone{font-weight:600;white-space:nowrap}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;font-size:15px;padding:11px 20px;border-radius:10px;border:1px solid var(--accent);background:var(--accent);color:#1b2432;text-decoration:none;cursor:pointer;transition:filter .15s,transform .15s}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.6;cursor:default}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--muted)}
.btn:focus-visible,.nav a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* первый экран */
.hero{padding-top:56px;padding-bottom:8px}
.lead{font-size:19px;color:var(--muted);max-width:640px;margin:14px 0 22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px}

/* блоки */
.block{padding-top:48px;scroll-margin-top:64px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 18px 14px;box-shadow:var(--shadow)}
.card p{color:var(--muted);font-size:15px;margin:0}
.ic{width:28px;height:28px;fill:none;stroke:var(--accent-ink);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* решение для iiko */
.solution{background:var(--navy);color:var(--on-navy);border-radius:20px;padding:28px}
.solution .muted{color:var(--on-navy-muted);max-width:640px}
.sol-head{display:flex;gap:24px;align-items:center;margin-bottom:18px}
.sol-logo{flex:0 0 200px;width:200px}

.pill{display:inline-block;font-size:13px;font-weight:600;color:#1b2432;background:#f5a34d;border-radius:999px;padding:3px 10px;margin-bottom:10px}
.solution h2{margin-bottom:10px}
.features{list-style:none;margin:0 0 22px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 28px}
.features li{position:relative;padding-left:20px;color:var(--on-navy-muted);font-size:15px}
.features li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:50%;background:#f5a34d}
.features b{color:var(--on-navy)}

/* контакты и форма */
.contact{display:grid;grid-template-columns:1fr 1.3fr;gap:32px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.phone-big{font-size:24px;font-weight:700;color:var(--text);text-decoration:none}
.form{display:grid;gap:12px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form label{display:grid;gap:5px;font-size:14px;color:var(--muted)}
.form input,.form textarea{font:inherit;font-size:16px;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
.form textarea{resize:vertical;min-height:96px}
.form input[aria-invalid="true"],.form textarea[aria-invalid="true"]{border-color:var(--err)}
.form .check{display:flex;gap:10px;align-items:flex-start;font-size:13px}
.form .check input{width:18px;height:18px;margin:1px 0 0;flex:0 0 auto;accent-color:var(--accent)}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.captcha:empty{display:none}
/* color-scheme как у документа капчи — иначе Chrome подкладывает под iframe белый фон (белые углы в тёмной теме) */
.captcha{width:100%;max-width:400px;color-scheme:light}
.form .btn{justify-self:start}
.form-msg{margin:0;font-size:14px;min-height:20px}
.form-msg.ok{color:var(--ok)}
.form-msg.err{color:var(--err)}

/* подвал */
.foot{margin-top:48px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-top:18px;padding-bottom:24px}
.foot a{color:var(--muted)}

/* планшет */
@media (max-width:900px){
  .grid{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr;gap:16px}
}
/* телефон */
@media (max-width:640px){
  .wrap{padding:0 16px}
  .top-in{gap:12px;height:56px}
  .brand img{width:120px}
  .nav{display:none}
  .phone{margin-left:auto;font-size:14px}
  .btn-sm{display:none}
  h1{font-size:32px}
  h2{font-size:23px}
  .hero{padding-top:32px}
  .lead{font-size:17px}
  .block{padding-top:36px;scroll-margin-top:56px}
  .grid{grid-template-columns:1fr;gap:10px}
  .solution,.contact{padding:20px;border-radius:16px}
  .sol-head{flex-direction:column;align-items:flex-start;gap:8px}
  .sol-logo{flex:none;width:160px}

  .row2{grid-template-columns:1fr}
  .form .btn{justify-self:stretch}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}