/* ==========================================================================
   Дизайн-система сайта. Токены -> база -> компоненты -> утилиты.
   ========================================================================== */
:root{
  --ink:#14161A; --ink-2:#3B414A; --muted:#6E7480;
  --paper:#FFFFFF; --surface:#F7F5F2; --surface-2:#EFEBE5;
  --line:#E3DFD8; --line-2:#D3CDC3;
  --dark:#15171B; --dark-2:#1E2126; --dark-line:#2C3037;
  --accent:#A2643C; --accent-2:#8A5330; --accent-soft:#F3E9DF;
  --ok:#3F7A55;
  --r:14px; --r-s:10px;
  --gap:clamp(16px,2vw,28px);
  --pad:clamp(56px,7vw,116px);
  --shadow:0 1px 2px rgba(20,22,26,.05),0 12px 32px -12px rgba(20,22,26,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  font-feature-settings:"kern" 1,"liga" 1}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* --- layout --- */
.wrap{width:min(100% - 40px,1280px);margin-inline:auto}
@media(max-width:640px){.wrap{width:calc(100% - 32px)}}
.sec{padding-block:var(--pad)}
.sec--tight{padding-block:clamp(40px,5vw,72px)}
.sec--surface{background:var(--surface)}
.sec--dark{background:var(--dark);color:#EDEAE5}
.sec--dark p,.sec--dark li{color:#AFB5BE}
.grid{display:grid;gap:var(--gap)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.g2,.g3,.g4{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,4vw,72px);align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.stack>*+*{margin-top:var(--fl,18px)}

/* --- typography --- */
.display{font-size:clamp(34px,5.4vw,68px);line-height:1.03;font-weight:600;letter-spacing:-.03em}
h1,.h1{font-size:clamp(28px,3.8vw,48px);line-height:1.08;font-weight:600;letter-spacing:-.025em}
h2,.h2{font-size:clamp(24px,2.9vw,38px);line-height:1.14;font-weight:600;letter-spacing:-.02em}
h3,.h3{font-size:clamp(17px,1.5vw,21px);line-height:1.25;font-weight:600;letter-spacing:-.01em}
.lead{font-size:clamp(17px,1.5vw,21px);line-height:1.5;color:var(--ink-2)}
.sec--dark .lead{color:#C3C9D1}
p{color:var(--ink-2)}
.small{font-size:14px;line-height:1.5;color:var(--muted)}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--accent)}
.sec--dark .eyebrow{color:#CE9A67}
.measure{max-width:62ch}
.measure-s{max-width:48ch}

/* --- header --- */
.hdr{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.4) blur(12px);
  border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;gap:24px;height:72px}
.logo{font-weight:600;letter-spacing:-.02em;font-size:17px;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{width:26px;height:26px;border-radius:7px;background:var(--ink);position:relative;flex:0 0 auto}
.logo__mark::after{content:"";position:absolute;inset:7px 7px auto 7px;height:2px;background:var(--accent);
  box-shadow:0 5px 0 var(--accent),0 10px 0 rgba(255,255,255,.65)}
.nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav a{font-size:15px;color:var(--ink-2);transition:color .18s var(--ease)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.hdr__cta{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.hdr__tel{font-size:15px;font-weight:500;white-space:nowrap}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:none;cursor:pointer;
  align-items:center;justify-content:center;margin-left:auto}
.burger span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink)}
.burger span::before{top:-6px}.burger span::after{top:6px}
@media(max-width:1080px){
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--paper);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 20px 24px;border-bottom:1px solid var(--line);display:none}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}
  .nav.is-open{display:flex}
  .burger{display:flex}
  .hdr__cta .btn{display:none}
  .hdr__tel{display:none}
}

/* --- buttons --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 26px;
  border-radius:100px;font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover{background:#000}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-2)}
.btn--ghost{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn--ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn--light{background:#fff;color:var(--ink)}
.btn--onDark{border-color:rgba(255,255,255,.28);color:#fff}
.btn--onDark:hover{background:rgba(255,255,255,.08)}
.btn--sm{height:44px;padding:0 20px;font-size:14px}
.btn--wide{width:100%}

/* --- hero --- */
.hero{position:relative;min-height:min(88vh,860px);display:flex;align-items:flex-end;background:var(--dark);overflow:hidden}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover}
.hero__bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,13,15,.62) 0%,rgba(12,13,15,.22) 38%,rgba(12,13,15,.86) 100%)}
.hero__in{position:relative;padding-block:clamp(48px,9vw,104px);color:#fff;width:100%}
.hero .display{color:#fff;max-width:16ch}
.hero .lead{color:#DFDCD7;max-width:56ch;margin-top:20px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero__meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2)}
.hero__meta div{color:#CFCBC5;font-size:14px}
.hero__meta b{display:block;color:#fff;font-size:15px;font-weight:500;margin-bottom:2px}

.pagehero{padding-block:clamp(40px,5vw,72px) clamp(28px,3vw,44px);border-bottom:1px solid var(--line)}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a:hover{color:var(--ink)}
.crumbs span{margin-inline:8px;opacity:.5}

/* --- cards --- */
.card{display:flex;flex-direction:column;background:var(--paper);border-radius:var(--r);overflow:hidden;
  border:1px solid var(--line);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--line-2)}
.card__media{position:relative;aspect-ratio:4/3;background:var(--surface-2);overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card__media img{transform:scale(1.03)}
.card__tags{position:absolute;left:12px;bottom:12px;display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:11px;letter-spacing:.04em;padding:5px 10px;border-radius:100px;
  background:rgba(255,255,255,.92);color:var(--ink);font-weight:500;backdrop-filter:blur(6px)}
.card__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.card__body p{font-size:14.5px;line-height:1.5}
.card__link{margin-top:auto;padding-top:12px;font-size:14px;font-weight:500;color:var(--accent);
  display:inline-flex;align-items:center;gap:7px}
.card__link::after{content:"→";transition:transform .2s var(--ease)}
.card:hover .card__link::after{transform:translateX(3px)}

/* --- figure with caption --- */
.fig{border-radius:var(--r);overflow:hidden;background:var(--surface-2)}
.fig img{width:100%;height:100%;object-fit:cover}
.fig--4x3{aspect-ratio:4/3}.fig--3x2{aspect-ratio:3/2}.fig--16x9{aspect-ratio:16/9}.fig--1x1{aspect-ratio:1/1}
.cap{margin-top:10px;font-size:13px;line-height:1.45;color:var(--muted)}

/* --- steps --- */
.steps{counter-reset:s;display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.step{background:var(--paper);padding:26px 24px;display:grid;grid-template-columns:52px 1fr;gap:8px 16px;align-items:start}
.step::before{counter-increment:s;content:"0" counter(s);font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--accent);padding-top:4px}
.step h3{grid-column:2}
.step p{grid-column:2;font-size:15px}
@media(min-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}

/* --- feature list --- */
.ticks li{position:relative;padding-left:28px;margin-bottom:12px;color:var(--ink-2);font-size:15.5px}
.ticks li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;
  border:1.5px solid var(--accent)}
.sec--dark .ticks li{color:#B9BFC7}

/* --- facts / kv --- */
.kv{border-top:1px solid var(--line)}
.kv div{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}
.kv dt,.kv .k{color:var(--muted);font-size:14.5px}
.kv dd,.kv .v{margin:0;font-weight:500;font-size:15px;text-align:right}
.sec--dark .kv,.sec--dark .kv div{border-color:var(--dark-line)}

/* --- accordion --- */
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-size:clamp(16px,1.4vw,19px);font-weight:500;letter-spacing:-.01em}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"";position:absolute;right:8px;top:50%;width:12px;height:12px;margin-top:-6px;
  border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg);
  transition:transform .2s var(--ease)}
.acc details[open] summary::after{transform:rotate(-135deg)}
.acc .acc__body{padding:0 40px 24px 0}
.acc .acc__body p{font-size:15.5px}

/* --- forms --- */
.form{display:grid;gap:18px}
.field{display:grid;gap:7px}
.field label{font-size:14px;font-weight:500}
.field .hint{font-size:13px;color:var(--muted)}
.input,.textarea,select.input{width:100%;height:52px;padding:0 16px;border:1px solid var(--line-2);
  border-radius:var(--r-s);background:var(--paper);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.textarea{height:auto;min-height:112px;padding:14px 16px;resize:vertical}
.input:focus,.textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(20,22,26,.07)}
.input[aria-invalid="true"],.textarea[aria-invalid="true"]{border-color:#B4472F;box-shadow:0 0 0 3px rgba(180,71,47,.1)}
.err{font-size:13px;color:#B4472F;display:none}
.err.is-on{display:block}
.consent{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;
  padding:16px;border:1px solid var(--line);border-radius:var(--r-s);background:var(--surface)}
.consent+.consent{margin-top:-6px}
.consent input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--accent);cursor:pointer}
.consent .t{font-size:13.5px;line-height:1.5;color:var(--ink-2)}
.consent a{text-decoration:underline;text-underline-offset:2px}
.req{color:var(--accent)}
.formnote{font-size:13px;color:var(--muted);line-height:1.5}
.formcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,38px)}
.formstate{display:none;padding:22px;border-radius:var(--r-s);background:var(--accent-soft);border:1px solid #E0CDB8}
.formstate.is-on{display:block}
.formstate h3{margin-bottom:6px}

/* --- quiz --- */
.quiz__bar{height:3px;background:var(--line);border-radius:100px;overflow:hidden;margin-bottom:26px}
.quiz__bar i{display:block;height:100%;background:var(--accent);width:0;transition:width .3s var(--ease)}
.quiz__step{display:none}
.quiz__step.is-on{display:block}
.opts{display:grid;gap:10px;margin-top:18px}
@media(min-width:700px){.opts{grid-template-columns:repeat(2,1fr)}}
.opt{display:flex;align-items:center;gap:12px;padding:16px 18px;border:1px solid var(--line-2);
  border-radius:var(--r-s);cursor:pointer;background:var(--paper);transition:border-color .18s var(--ease),background .18s var(--ease)}
.opt:hover{border-color:var(--ink)}
.opt input{width:18px;height:18px;accent-color:var(--accent)}
.opt.is-sel{border-color:var(--accent);background:var(--accent-soft)}
.quiz__nav{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.quiz__count{font-size:13px;color:var(--muted);align-self:center;margin-left:auto}

/* --- misc --- */
.band{background:var(--dark);color:#fff;border-radius:var(--r);padding:clamp(28px,4vw,56px);position:relative;overflow:hidden}
.band h2{color:#fff}
.band p{color:#B9BFC7}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13.5px;padding:8px 14px;border:1px solid var(--line-2);border-radius:100px;color:var(--ink-2)}
.sec--dark .chip{border-color:var(--dark-line);color:#B9BFC7}
.note{padding:18px 20px;border-left:2px solid var(--accent);background:var(--surface);border-radius:0 var(--r-s) var(--r-s) 0}
.note p{font-size:14.5px}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* --- footer --- */
.ftr{background:var(--dark);color:#AFB5BE;padding-block:clamp(48px,6vw,84px) 32px;font-size:14.5px}
.ftr a{color:#AFB5BE}
.ftr a:hover{color:#fff}
.ftr h4{color:#fff;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;font-weight:600}
.ftr__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(24px,3vw,48px)}
@media(max-width:900px){.ftr__grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.ftr__grid{grid-template-columns:1fr}}
.ftr li{margin-bottom:9px}
.ftr__bottom{margin-top:clamp(32px,4vw,56px);padding-top:24px;border-top:1px solid var(--dark-line);
  display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;font-size:13px;color:#7E858F}
.ph{color:#CE9A67;font-weight:500}
.ftr .ph{color:#CE9A67}

/* --- legal / prose --- */
.prose{max-width:76ch}
.prose h2{margin-top:clamp(30px,3.5vw,48px);margin-bottom:14px}
.prose h3{margin-top:26px;margin-bottom:10px}
.prose p{margin-bottom:14px;font-size:15.5px}
.prose ul{margin:0 0 16px;padding-left:0}
.prose ul li{position:relative;padding-left:22px;margin-bottom:9px;color:var(--ink-2);font-size:15.5px}
.prose ul li::before{content:"";position:absolute;left:2px;top:11px;width:5px;height:5px;border-radius:50%;background:var(--line-2)}
.prose ol{margin:0 0 16px;padding-left:20px}
.prose ol li{margin-bottom:9px;color:var(--ink-2);font-size:15.5px}
.toc{background:var(--surface);border-radius:var(--r);padding:22px 24px;margin-bottom:32px}
.toc li{margin-bottom:8px}
.toc a{color:var(--ink-2);text-decoration:underline;text-underline-offset:3px;font-size:14.5px}

/* --- placeholder marker --- */
mark.pl{background:#FBEFE2;color:var(--accent-2);padding:1px 5px;border-radius:4px;font-weight:500;
  box-decoration-break:clone}
@media print{mark.pl{background:none}}

/* --- доводка --- */
@media(min-width:900px){.steps .step:last-child:nth-child(odd){grid-column:1 / -1}}
.ftr .logo__mark{background:#fff}
.ftr .logo__mark::after{background:var(--accent);box-shadow:0 5px 0 var(--accent),0 10px 0 rgba(20,22,26,.45)}
.hero .eyebrow{text-shadow:0 1px 12px rgba(0,0,0,.45)}
.card__body h3{letter-spacing:-.012em}
.formcard[hidden]{display:none}