:root{--bg:#fff;--bg2:#f5f6f8;--ink:#14161b;--ink2:#4a505c;--line:#e3e6eb;--dark:#111318;--dark2:#1b1e25;--acc:#ffd014;--acc2:#e6b800;--ok:#1f9d55;--r:14px;--w:1160px}
*,*:before,*:after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
img{max-width:100%;height:auto}
a{color:#0b5bd3}
h1,h2,h3,.h3{line-height:1.2;margin:0 0 .6em;font-weight:750;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.6vw,50px)}
h2{font-size:clamp(25px,3.2vw,36px)}
h3,.h3{font-size:clamp(19px,2vw,22px)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
li{margin:.25em 0}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
.narrow{max-width:860px}
.section{padding:64px 0}
.section--tight{padding:28px 0}
.section--gray{background:var(--bg2)}
.section--dark{background:var(--dark);color:#e9ebef}
.section--dark h2,.section--dark h3{color:#fff}
.muted{color:var(--ink2)}
.center{text-align:center}
.mt0{margin-top:0}
.sub{font-size:19px;color:var(--ink2);max-width:780px;margin-bottom:32px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:15px 26px;border-radius:40px;border:2px solid var(--acc);background:var(--acc);color:#111 !important;font-weight:650;font-size:17px;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s;font-family:inherit;line-height:1.2}
.btn:hover{background:var(--acc2);border-color:var(--acc2)}
.btn--ghost{background:transparent;color:#fff !important;border-color:rgba(255,255,255,.45)}
.btn--ghost:hover{background:rgba(255,255,255,.08);border-color:#fff}
.btn--sm{padding:10px 18px;font-size:15px}
.btn--full{width:100%}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:var(--dark);border-bottom:1px solid rgba(255,255,255,.08)}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo img{display:block;height:30px;width:auto}
.nav{display:flex;align-items:center;gap:6px 18px}
.nav__link{color:#e9ebef;text-decoration:none;font-size:15px;background:none;border:0;padding:6px 0;cursor:pointer;font-family:inherit}
.nav__link:hover,.nav__link[aria-current]{color:var(--acc)}
.nav__phone{color:#fff;text-decoration:none;font-weight:650;font-size:15px;white-space:nowrap}
.nav__drop{position:relative}
.nav__dropbtn:after{content:"";display:inline-block;margin-left:6px;border:5px solid transparent;border-top-color:currentColor;vertical-align:-2px}
.nav__menu{display:none;position:absolute;left:-16px;top:100%;min-width:290px;background:#fff;border-radius:12px;box-shadow:0 14px 40px rgba(0,0,0,.25);padding:8px}
.nav__menu a{display:block;padding:9px 12px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:15px}
.nav__menu a:hover,.nav__menu a[aria-current]{background:var(--bg2)}
.nav__drop:hover .nav__menu,.nav__drop:focus-within .nav__menu,.nav__drop.open .nav__menu{display:block}
.burger{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.3);border-radius:10px;background:none;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.burger span{display:block;width:20px;height:2px;background:#fff}
@media (max-width:1060px){
  .burger{display:flex}
  .nav{display:none;position:absolute;left:0;right:0;top:68px;flex-direction:column;align-items:stretch;background:var(--dark);padding:12px 20px 22px;max-height:calc(100vh - 68px);overflow:auto;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav.open{display:flex}
  .nav__link{padding:10px 0;font-size:17px;text-align:left}
  .nav__menu{position:static;box-shadow:none;background:var(--dark2);min-width:0}
  .nav__menu a{color:#e9ebef}
  .nav__menu a:hover{background:rgba(255,255,255,.06)}
  .nav__drop:hover .nav__menu{display:none}
  .nav__drop.open .nav__menu{display:block}
  .nav__phone{padding:10px 0}
  .nav .btn{margin-top:8px}
}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#2a2f3b 0,transparent 60%),var(--dark);color:#fff;padding:44px 0 56px}
.hero--home{padding:70px 0 80px}
.hero h1{color:#fff;max-width:900px}
.hero__lead{font-size:clamp(18px,2vw,21px);color:#cfd3db;max-width:800px}
.hero__points{list-style:none;padding:0;margin:20px 0 28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:10px 24px;max-width:900px}
.hero__points li{position:relative;padding-left:30px;color:#e9ebef}
.hero__points li:before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--acc) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%23111' stroke-width='2.4'/%3E%3C/svg%3E") center/12px no-repeat}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.crumbs{font-size:14px;color:#9aa1ad;margin-bottom:18px}
.crumbs a{color:#cfd3db;text-decoration:none}
.crumbs a:hover{color:var(--acc)}
.crumbs i{font-style:normal;margin:0 8px;opacity:.6}

/* grids & cards */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(270px,100%),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.section--gray .card{border-color:transparent;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.card h3{margin-bottom:.45em}
.card p:last-child,.card ul:last-child{margin-bottom:0}
a.card{display:block;color:inherit;text-decoration:none;transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--acc2);transform:translateY(-2px)}
a.card .more{color:#0b5bd3;font-weight:600;font-size:15px}
.card__ico{width:44px;height:44px;border-radius:12px;background:#fff6cc;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
.stat{font-size:clamp(30px,4vw,42px);font-weight:800;line-height:1;margin-bottom:6px}
.section--dark .card{background:var(--dark2);border-color:rgba(255,255,255,.08);color:#d7dbe2}

/* steps */
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr))}
.steps li{counter-increment:s;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 22px 22px;margin:0;position:relative}
.steps li:before{content:counter(s);display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--acc);font-weight:800;margin-bottom:12px}
.steps b{display:block;margin-bottom:4px}

/* table (пример отчёта) */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff;margin:0 0 10px}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{background:#f0f2f5;font-weight:650}
tr:last-child td{border-bottom:0}
td.bad{color:#c62828;font-weight:650}
td.good{color:var(--ok);font-weight:650}
.caption{font-size:14px;color:var(--ink2)}

/* text content */
.prose{max-width:860px}
.prose h2{margin-top:1.4em}
.prose h3{margin-top:1.2em}
.ticks{list-style:none;padding:0}
.ticks li{position:relative;padding-left:28px}
.ticks li:before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:800}
.note{background:#fff8d6;border-left:4px solid var(--acc);padding:16px 20px;border-radius:0 10px 10px 0;margin:0 0 1.2em}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-block;padding:9px 16px;border:1px solid var(--line);border-radius:30px;text-decoration:none;color:var(--ink);font-size:15px;background:#fff}
.chip:hover{border-color:var(--acc2)}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media (max-width:900px){.split{grid-template-columns:1fr}}

/* faq */
.faq details{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff}
.faq summary{cursor:pointer;padding:16px 48px 16px 20px;font-weight:650;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:20px;top:12px;font-size:24px;font-weight:400;color:var(--ink2)}
.faq details[open] summary:after{content:"–"}
.faq__a{padding:0 20px 16px;color:var(--ink2)}
.faq__a p:last-child{margin:0}

/* lead form */
.lead{background:var(--bg2)}
.lead__grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media (max-width:900px){.lead__grid{grid-template-columns:1fr;gap:28px}}
.lead__contacts{font-size:15px}
.form{background:#fff;border-radius:18px;padding:28px;box-shadow:0 10px 40px rgba(0,0,0,.07)}
.form label{display:block;font-size:14px;font-weight:600;margin-bottom:14px;color:var(--ink2)}
.form input,.form textarea{display:block;width:100%;margin-top:6px;padding:13px 14px;border:1px solid #cfd4dc;border-radius:10px;font:inherit;font-size:16px;color:var(--ink);background:#fff}
.form input:focus,.form textarea:focus{outline:2px solid var(--acc);border-color:var(--acc2)}
.form__msg{margin:12px 0 0;font-weight:600}
.form__msg.err{color:#c62828}
.form__msg.ok{color:var(--ok)}
.form__note{font-size:12px;color:#8a909b;margin:10px 0 0}

/* footer */
.ftr{background:var(--dark);color:#aeb4bf;padding:56px 0 28px;font-size:15px}
.ftr a{color:#d7dbe2;text-decoration:none}
.ftr a:hover{color:var(--acc)}
.ftr__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px}
@media (max-width:800px){.ftr__grid{grid-template-columns:1fr}}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr__h{color:#fff;font-weight:700;margin-bottom:10px}
.logo--ftr img{height:26px;margin-bottom:14px}
.ftr__copy{border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding-top:20px;font-size:13px;color:#7d8491}

.wa-float{position:fixed;left:18px;bottom:18px;z-index:40;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(0,0,0,.25)}
@media (max-width:600px){.section{padding:44px 0}.hero{padding:30px 0 40px}.hero--home{padding:40px 0 50px}.card{padding:20px}.form{padding:20px}}
.hp{position:absolute !important;left:-9999px;width:1px;height:1px;overflow:hidden}
.hero__meta{font-size:14px;color:#9aa1ad;margin:0 0 10px}.hero__meta a{color:var(--acc);text-decoration:none}
.cat-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.section--cont{padding-top:0;margin-top:-24px}
.search{max-width:620px;margin:0 0 22px}
.search__label{display:block;font-weight:650;margin-bottom:8px}
.search__input{width:100%;padding:14px 16px;border:1px solid #cfd4dc;border-radius:12px;font:inherit;font-size:17px;background:#fff}
.search__input:focus{outline:2px solid var(--acc);border-color:var(--acc2)}
.search__empty{font-size:17px;color:var(--ink2)}
.card[hidden],.cat-block[hidden],.cat-nav[hidden]{display:none !important}