/* МосЭкоАудит — дизайн-система. Уроки water-lab вшиты:
   без backdrop-filter на header, inputs 16px, mbar minmax(0,1fr), overflow-x clip. */

:root{
  --navy:#0D2B45; --navy2:#123B63; --ink:#16232E; --muted:#5A6B7B;
  --bg:#F5F8FB; --card:#FFFFFF; --line:#DFE7EF;
  --blue:#1466C2; --blue-d:#0F52A0; --green:#188A5E; --amber:#B7791F;
  --r:14px; --shadow:0 8px 28px rgba(13,43,69,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth}
body{font-family:-apple-system,'Segoe UI',Roboto,Inter,sans-serif;font-size:17px;line-height:1.65;
  color:var(--ink);background:var(--bg);overflow-x:clip}
img{max-width:100%}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
h1{font-size:clamp(30px,4.6vw,44px);line-height:1.18;letter-spacing:-.5px}
h2{font-size:clamp(22px,3vw,30px);line-height:1.25;margin:0 0 14px;letter-spacing:-.3px}
h3{font-size:19px;margin:0 0 8px}

/* ---------- кнопки ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;
  padding:12px 26px;border-radius:10px;font-weight:600;font-size:16px;border:0;cursor:pointer;
  white-space:normal;text-align:center;transition:background .15s, transform .1s}
.btn:hover{text-decoration:none}
.btn-solid{background:var(--blue);color:#fff}
.btn-solid:hover{background:var(--blue-d)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-line{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
.btn-lg{min-height:54px;padding:14px 30px;font-size:17px}

/* ---------- шапка ---------- */
.site-header{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:18px;min-height:66px}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:9px;
  background:linear-gradient(150deg,var(--navy),var(--blue));color:#fff;font-weight:800;font-size:19px;flex:none}
.logo-tx b{display:block;font-size:17px;line-height:1.15}
.logo-tx i{display:block;font-style:normal;font-size:11.5px;color:var(--muted);line-height:1.2;max-width:230px}
.nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.nav a{color:var(--ink);font-weight:500;font-size:15.5px}
.nav .nav-cta{display:none}
.nav-close{display:none}
.header-actions{display:flex;align-items:center;gap:12px}
.phone{font-weight:700;color:var(--ink);font-size:15.5px;white-space:nowrap}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;
  padding:10px;min-width:44px;min-height:44px;justify-content:center;align-items:center}
.burger span{display:block;width:22px;height:2.5px;background:var(--ink);border-radius:2px}
.nav-backdrop{display:none;position:fixed;inset:0;background:rgba(13,43,69,.5);z-index:90}
body.menu-open .nav-backdrop{display:block}
body.menu-open{overflow:hidden}
/* header — stacking context (sticky+z-40): вложенная панель не поднимется выше
   backdrop(90), пока открытое меню не поднимет весь header (урок water-lab) */
body.menu-open .site-header{z-index:95}

/* ---------- хиро ---------- */
.hero{background:linear-gradient(155deg,var(--navy) 0%,var(--navy2) 55%,#17518C 100%);
  color:#fff;padding:64px 0 72px}
.hero-badge{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  border-radius:999px;padding:7px 16px;font-size:14px;font-weight:600;margin-bottom:22px}
.hero-sub{font-size:clamp(17px,2.2vw,20px);max-width:900px;margin:18px 0 28px;color:#D9E6F2}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-bullets{list-style:none;display:flex;gap:26px;flex-wrap:wrap;margin-top:34px}
.hero-bullets li{position:relative;padding-left:26px;font-size:15px;color:#CBDCEC;max-width:260px}
.hero-bullets li::before{content:'✓';position:absolute;left:0;color:#6FCFA3;font-weight:800}
.hero-mini{background:#fff;border-bottom:1px solid var(--line);padding:40px 0 34px}
.lead{font-size:clamp(17px,2vw,19px);color:var(--muted);margin-top:12px}
.pricebar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:20px;background:var(--bg);
  border:1px solid var(--line);border-radius:var(--r);padding:14px 18px}
.pricebar-v{font-size:20px;font-weight:800;color:var(--navy)}
.pricebar-n{color:var(--muted);font-size:14.5px;flex:1;min-width:180px}

/* ---------- контент ---------- */
main{padding-bottom:26px}
.main-in{padding-top:36px}
.blk{margin-bottom:42px}
.blk p{margin-bottom:12px}
.clist,.blist{list-style:none;margin:8px 0}
.clist li,.blist li{position:relative;padding:6px 0 6px 30px}
.clist li::before{content:'✓';position:absolute;left:2px;top:6px;color:var(--green);font-weight:800}
.blist li::before{content:'';position:absolute;left:8px;top:17px;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;max-width:1100px}

.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;color:var(--ink);box-shadow:var(--shadow);transition:transform .12s,border-color .12s}
a.card:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--blue)}
.card-t{font-weight:700;font-size:17px;margin-bottom:6px}
.card-d{color:var(--muted);font-size:14.5px;line-height:1.5}
.card-m{margin-top:10px;color:var(--blue);font-weight:600;font-size:14px}
.steps{counter-reset:s;list-style:none}
.steps li{counter-increment:s;position:relative;padding:10px 0 10px 52px}
.steps li::before{content:counter(s);position:absolute;left:0;top:8px;width:36px;height:36px;
  display:grid;place-items:center;border-radius:50%;background:var(--navy);color:#fff;font-weight:700}
.note{border-radius:var(--r);padding:16px 20px;font-size:15.5px}
.note p:last-child{margin-bottom:0}
.note-info{background:#EBF3FC;border:1px solid #C7DCF3}
.note-warn{background:#FFF7E8;border:1px solid #F0DBB0}
.linkrows{display:grid;gap:10px}
.linkrow{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px}
.linkrow:hover{text-decoration:none;border-color:var(--blue)}
.linkrow-t{display:block;font-weight:700;color:var(--ink)}
.linkrow-d{display:block;color:var(--muted);font-size:14px;margin-top:2px}
.anchor-block{background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px 22px;margin-bottom:14px;scroll-margin-top:86px}
.twrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:15px}
th,td{text-align:left;padding:11px 16px;border-bottom:1px solid var(--line)}
th{background:var(--bg);font-size:13.5px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
tr:last-child td{border-bottom:0}
.faq{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;padding:15px 18px;list-style:none;position:relative;padding-right:44px;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:18px;top:12px;font-size:22px;color:var(--blue)}
.faq[open] summary::after{content:'–'}
.faq-a{padding:0 18px 15px;color:#33424F}
.related .rel-g{margin-bottom:8px}
.related .rel-l{color:var(--muted);font-size:14px;margin-right:8px}
.related a{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:5px 14px;margin:3px 6px 3px 0;font-size:14px}
.related a:hover{border-color:var(--blue);text-decoration:none}
.todo{border:2px dashed var(--amber);background:#FFF9EC;color:#7A5410;border-radius:12px;
  padding:12px 16px;font-size:14.5px;font-weight:600}
.todo-inline{color:var(--amber);font-size:.85em;font-weight:700}

/* ---------- крошки ---------- */
.crumbs{padding:12px 20px;font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--muted)}
.crumb-sep{opacity:.5}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(150deg,var(--navy),var(--navy2));color:#fff;padding:52px 0;margin-top:20px}
.cta-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:40px;align-items:start}
.cta-tx p{color:#CBDCEC;margin-top:10px;max-width:480px}
.lead-form{background:#fff;border-radius:var(--r);padding:22px;display:grid;gap:14px;color:var(--ink)}
.lead-form label{display:grid;gap:6px;font-size:14px;font-weight:600}
.lead-form input{font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;min-height:48px}
.lead-form input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(20,102,194,.15)}
.form-note{font-size:12.5px;color:var(--muted);font-weight:400}
.form-sent{color:var(--green);font-weight:700}
.form-err{color:#B4232C;font-weight:600}

/* ---------- подвал ---------- */
.site-footer{background:#0B2238;color:#B9CBDC;padding:44px 0 110px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:30px;margin-bottom:26px}
.foot-brand{font-size:19px;font-weight:800;color:#fff;margin-bottom:8px}
.foot-mut{color:#8FA6BC;margin-bottom:6px}
.foot-nav{display:grid;gap:8px;align-content:start}
.site-footer a{color:#CFDEEC}
.foot-legal{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#7E96AD;font-size:13px}
.foot-legal p{margin-bottom:8px}

/* ---------- мобильный CTA-бар ---------- */
.mbar{display:none}

/* ---------- адаптив ---------- */
@media (max-width:960px){
  .nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,88vw);height:100dvh;background:#fff;
    z-index:100;flex-direction:column;align-items:flex-start;gap:6px;padding:64px 26px 26px;
    transform:translateX(105%);transition:transform .22s ease;box-shadow:-12px 0 40px rgba(13,43,69,.2);margin-left:0}
  body.menu-open .nav{transform:translateX(0)}
  .nav a{font-size:18px;padding:10px 0;min-height:44px;display:flex;align-items:center}
  .nav .nav-cta{display:inline-flex;margin-top:14px;width:100%}
  .nav-close{display:block;position:absolute;top:12px;right:14px;background:none;border:0;
    font-size:32px;line-height:1;color:var(--muted);cursor:pointer;min-width:44px;min-height:44px}
  .burger{display:flex}
  .header-cta{display:none}
}
@media (max-width:768px){
  body{font-size:16px}
  .hero{padding:46px 0 54px}
  .cta-in{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .mbar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:10px;position:fixed;
    left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);
    padding:10px 12px calc(10px + env(safe-area-inset-bottom))}
  .mbar .btn{font-size:15px;min-height:46px;padding:10px 12px}
  .site-footer{padding-bottom:130px}
}
@media (max-width:560px){
  .logo-tx i{display:none}
  .phone{width:44px;height:44px;font-size:0;position:relative;overflow:hidden;flex:none;
    border:1.5px solid var(--line);border-radius:10px}
  .phone::before{content:'📞';font-size:19px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}
  .hero-cta .btn{flex:1 1 100%}
}

.cookie-bar{position:fixed;left:12px;right:12px;bottom:12px;z-index:300;max-width:760px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 34px rgba(15,42,56,.18);padding:13px 16px;display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;justify-content:space-between;font-size:13.5px;line-height:1.5;color:var(--muted)}
.cookie-bar[hidden]{display:none}
.cookie-bar a{color:var(--accent, #1B5FAA)}
.cookie-bar .btn{padding:9px 22px;font-size:14px;white-space:nowrap}
@media (max-width:768px){.cookie-bar{bottom:calc(76px + env(safe-area-inset-bottom))}}

/* аккордеон отраслей (details/summary, стилистика faq + linkrows внутри) */
.acc{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
.acc summary{cursor:pointer;padding:16px 18px;list-style:none;position:relative;padding-right:44px;min-height:44px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:'+';position:absolute;right:18px;top:14px;font-size:22px;color:var(--blue)}
.acc[open] summary::after{content:'–'}
.acc-t{font-weight:700;font-size:18px}
.acc-b{font-size:13px;color:var(--blue);background:rgba(20,102,194,.08);border-radius:99px;padding:3px 10px;font-weight:600}
.acc-a{padding:2px 18px 16px}
.acc-a .linkrows{margin-top:8px}

/* карта в контактах (Яндекс-виджет) */
.map-embed{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card)}
.map-embed iframe{display:block;width:100%;height:380px;border:0}
@media (max-width:640px){.map-embed iframe{height:300px}}