/* ============================================================
   МетроПрофи — лендинг «Утверждение типа средств измерений»
   SEO-оптимизированная гибридная структура, вариативные блоки
   ============================================================ */
:root{
  --navy:#0a1f44;
  --navy-2:#123069;
  --blue:#2053ff;
  --sky:#eaf1ff;
  --teal:#0e9f8a;
  --mint:#e8f8f4;
  --orange:#ff7a1a;
  --orange-soft:#fff3e8;
  --violet:#6d3bd1;
  --violet-soft:#f1ebfd;
  --yellow:#ffc233;
  --text:#1c2740;
  --muted:#5b6b85;
  --line:#e3e9f4;
  --white:#ffffff;
  --radius:18px;
  --shadow:0 10px 34px rgba(10,31,68,.10);
  --font:'Inter','Segoe UI',Roboto,'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);line-height:1.65;font-size:16px;background:var(--white)}
img{max-width:100%;height:auto}
a{color:var(--blue)}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
h1,h2,h3,h4{line-height:1.22;color:var(--navy);font-weight:800}
h1{font-size:clamp(30px,4.6vw,52px)}
h2{font-size:clamp(24px,3.4vw,38px);margin-bottom:14px}
h3{font-size:clamp(18px,2.2vw,24px)}
section{padding:74px 0}
.section-sub{color:var(--muted);font-size:17px;max-width:760px}
.center{text-align:center}
.center .section-sub{margin:0 auto 26px}

/* ---------- Шапка ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,31,68,.97);backdrop-filter:blur(8px);color:#dfe8ff}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--teal));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:20px}
.logo-name{color:#fff;font-weight:800;font-size:18px;line-height:1.1}
.logo-name small{display:block;font-weight:500;font-size:11px;color:#9db3e8;letter-spacing:.4px;text-transform:uppercase}
.main-nav{display:flex;gap:20px;flex-wrap:wrap}
.main-nav a{color:#cdd9f7;text-decoration:none;font-size:14.5px;font-weight:600;transition:.2s}
.main-nav a:hover{color:#fff}
.header-cta{display:flex;align-items:center;gap:14px}
.header-phone{color:#fff;font-weight:800;font-size:17px;text-decoration:none;white-space:nowrap}

/* ---------- Кнопки и формы ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 26px;border-radius:12px;font-weight:700;font-size:16px;text-decoration:none;border:none;cursor:pointer;transition:.25s;line-height:1.2}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 22px rgba(255,122,26,.35)}
.btn-orange:hover{background:#e86a06;transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(32,83,255,.3)}
.btn-blue:hover{background:#1640d6;transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--navy);box-shadow:0 6px 18px rgba(0,0,0,.14)}
.btn-white:hover{background:var(--sky)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}
.btn-outline:hover{border-color:#fff}
.lead-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.lead-form input{flex:1 1 180px;min-width:170px;padding:14px 16px;border-radius:12px;border:1px solid var(--line);font-size:15px;font-family:inherit;background:#fff}
.lead-form input:focus{outline:2px solid var(--blue);border-color:transparent}
.lead-form .btn{flex:0 0 auto}
.form-note{font-size:13px;color:var(--muted);margin-top:10px}
.form-note a{color:inherit;text-decoration:underline}
.form-success{display:none;margin-top:14px;padding:13px 16px;background:#e6f9ee;border:1px solid #b7e8c9;color:#14532d;border-radius:12px;font-weight:600}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(1100px 500px at 80% -10%,#1d4ed8 0%,transparent 55%),linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 55%,#0c2f6b 100%);color:#eaf0ff;padding:86px 0 78px}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:26px 26px;pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;position:relative;z-index:2}
.hero h1{color:#fff}
.hero p.lead{font-size:18px;color:#c8d6f6;max-width:620px;margin:18px 0 6px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{font-size:12.5px;font-weight:600;padding:7px 13px;border-radius:30px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#e6edff}
.hero-points{margin-top:22px;display:grid;gap:10px}
.hero-points li{list-style:none;display:flex;gap:11px;align-items:flex-start;font-size:15.5px;color:#dbe6ff}
.hero-points li b{color:#fff}
.hero-points .chk{flex:none;width:22px;height:22px;margin-top:3px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px}
.hero-form-card{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);color:var(--text)}
.hero-form-card h3{color:var(--navy);margin-bottom:6px}
.hero-form-card .sub{font-size:14px;color:var(--muted);margin-bottom:14px}
.hero-form-card .lead-form{flex-direction:column}
.hero-form-card .lead-form input{flex:1 1 auto}
.hero-form-card .btn{width:100%}
.hero-card-badges{display:flex;gap:14px;margin-top:16px;flex-wrap:wrap}
.hero-card-badges span{font-size:12.5px;color:var(--muted);display:flex;gap:6px;align-items:center}
.hero-card-badges span::before{content:"✓";color:var(--teal);font-weight:900}

/* ---------- Полоса доверия ---------- */
.trustbar{background:var(--yellow)}
.trust-inner{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:22px;padding:22px 0}
.trust-item{display:flex;gap:12px;align-items:center}
.trust-item .num{font-size:30px;font-weight:900;color:var(--navy)}
.trust-item .lbl{font-size:13.5px;color:#33405e;line-height:1.3}

/* ---------- Блоки-разделы (вариативные цвета) ---------- */
.b-white{background:#fff}
.b-sky{background:var(--sky)}
.b-mint{background:var(--mint)}
.b-violet{background:var(--violet-soft)}
.b-orange-soft{background:var(--orange-soft)}
.b-navy{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#e6edff}
.b-navy h2,.b-navy h3{color:#fff}
.b-navy .section-sub{color:#b9c8ec}

/* ---------- Что такое ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.def-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.def-box h3{margin-bottom:10px}
.def-box ul,.list-ok{list-style:none;display:grid;gap:9px}
.def-box ul li{position:relative;padding-left:28px;font-size:15.5px}
.def-box ul li::before{content:"▸";position:absolute;left:0;color:var(--blue);font-weight:900}
.legal-list{display:grid;gap:12px;margin-top:16px}
.legal-list div{background:var(--sky);border-radius:12px;padding:14px 16px;font-size:14.5px}
.legal-list b{display:block;color:var(--navy);margin-bottom:3px}

/* ---------- Риски / зачем ---------- */
.risks-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:26px}
.risk-card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--line);box-shadow:0 6px 20px rgba(10,31,68,.06)}
.risk-card .ico{font-size:30px}
.risk-card h3{font-size:18px;margin:10px 0 8px}
.risk-card p{font-size:14.5px;color:var(--muted)}
.risk-card.red{border-top:4px solid #e11d48}
.risk-card.green{border-top:4px solid var(--teal)}

/* ---------- Категории СИ ---------- */
.cats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.cat-card{background:#fff;border-radius:var(--radius);padding:26px;border:1px solid var(--line);box-shadow:var(--shadow);transition:.25s}
.cat-card:hover{transform:translateY(-5px)}
.cat-card .ico{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px}
.cat-card h3{font-size:19px;margin:14px 0 10px}
.cat-card ul{list-style:none;display:grid;gap:7px}
.cat-card li{font-size:14.5px;color:var(--muted);padding-left:19px;position:relative}
.cat-card li::before{content:"•";position:absolute;left:2px;color:var(--teal);font-weight:900}
.ico-blue{background:var(--sky)}
.ico-teal{background:var(--mint)}
.ico-violet{background:var(--violet-soft)}

/* ---------- Этапы (таймлайн) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:30px;counter-reset:step}
.step{background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--line);position:relative;box-shadow:0 6px 18px rgba(10,31,68,.06)}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:16px;right:18px;font-size:30px;font-weight:900;color:var(--sky)}
.step .ico{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--teal));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:12px}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{font-size:13.8px;color:var(--muted)}
.step-note{margin-top:22px;font-size:14.5px;color:var(--muted)}

/* ---------- Таблицы ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--line);background:#fff;margin-top:22px}
table{width:100%;border-collapse:collapse;min-width:640px}
th{background:var(--navy);color:#fff;text-align:left;padding:15px 18px;font-size:14.5px;font-weight:700}
td{padding:14px 18px;font-size:14.5px;border-top:1px solid var(--line);vertical-align:top}
tbody tr:nth-child(even){background:#f7faff}
tbody tr:hover{background:var(--sky)}
.table-cap{font-size:13px;color:var(--muted);margin-top:10px}
.b-navy table{background:#fff;color:var(--text)}
.b-navy th{background:var(--navy-2)}

/* ---------- Сравнение ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.cmp{background:#fff;border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}
.cmp-head{padding:18px 20px;color:#fff}
.cmp-head h3{color:#fff;font-size:19px}
.cmp-head small{opacity:.9;font-size:13px}
.cmp-body{padding:18px 20px}
.cmp-body ul{list-style:none;display:grid;gap:9px}
.cmp-body li{font-size:14px;color:var(--text);padding-left:22px;position:relative}
.cmp-body li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:900}
.cmp-approve{background:linear-gradient(135deg,var(--blue),#1a3fae)}
.cmp-verify{background:linear-gradient(135deg,var(--teal),#0b7c6c)}
.cmp-calb{background:linear-gradient(135deg,var(--orange),#d95f0a)}

/* ---------- Описание типа ---------- */
.desc-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:26px}
.desc-item{background:#fff;border-radius:var(--radius);padding:22px;border:1px solid var(--line)}
.desc-item h3{font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.desc-item li{font-size:14.3px;color:var(--muted);margin:7px 0 7px 18px}

/* ---------- Продление ---------- */
.life-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.life-card{background:#fff;border-radius:var(--radius);padding:24px;text-align:center;border:1px solid var(--line);box-shadow:var(--shadow)}
.life-card .ico{width:60px;height:60px;margin:0 auto 12px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px}
.life-card h3{font-size:17px;margin-bottom:8px}
.life-card p{font-size:14px;color:var(--muted)}

/* ---------- Кейсы ---------- */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:26px}
.case-card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.case-card .dev{font-size:13px;font-weight:700;color:var(--teal);text-transform:uppercase;letter-spacing:.5px}
.case-card h3{font-size:17px}
.case-card p{font-size:14px;color:var(--muted)}
.case-meta{display:flex;justify-content:space-between;border-top:1px dashed var(--line);padding-top:10px;font-size:13px;color:var(--navy);font-weight:700}

/* ---------- Преимущества ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
.adv{background:#fff;border-radius:var(--radius);padding:22px;text-align:center;border:1px solid var(--line);box-shadow:0 6px 18px rgba(10,31,68,.06)}
.adv .ico{font-size:30px}
.adv h3{font-size:16px;margin:10px 0 7px}
.adv p{font-size:13.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:24px auto 0}
details{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:0 4px 14px rgba(10,31,68,.05)}
summary{cursor:pointer;padding:18px 20px;font-weight:700;font-size:16px;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:24px;color:var(--blue);font-weight:900;flex:none;transition:.25s}
details[open] summary::after{transform:rotate(45deg)}
details .faq-a{padding:0 20px 18px;color:var(--muted);font-size:15px;border-top:1px dashed var(--line);padding-top:14px;margin-top:0}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,var(--orange) 0%,#f04f11 70%,#d93a06 100%);color:#fff;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.12)}
.cta::after{content:"";position:absolute;left:-60px;bottom:-110px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;position:relative;z-index:2}
.cta h2{color:#fff}
.cta p{color:#ffe9da;font-size:16.5px;margin-bottom:12px}
.cta ul{list-style:none;display:grid;gap:9px;margin-top:16px}
.cta ul li{display:flex;gap:10px;align-items:center;font-size:15px;color:#fff}
.cta ul li::before{content:"✓";width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.25);display:flex;align-items:center;justify-content:center;font-size:13px;flex:none}
.cta-form-card{background:#fff;border-radius:var(--radius);padding:28px;color:var(--text);box-shadow:0 20px 50px rgba(120,30,0,.35)}
.cta-form-card h3{color:var(--navy)}
.cta-form-card .lead-form{flex-direction:column}
.cta-form-card input{flex:1 1 auto}
.cta-form-card textarea{padding:14px 16px;border-radius:12px;border:1px solid var(--line);font-family:inherit;font-size:15px;min-height:90px;resize:vertical}
.cta-form-card .btn{width:100%}

/* ---------- Footer ---------- */
.site-footer{background:#081635;color:#b9c8ec;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:34px;margin-bottom:34px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:14px}
.site-footer a{color:#b9c8ec;text-decoration:none;font-size:14px}
.site-footer a:hover{color:#fff}
.footer-col{display:grid;gap:9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7f92bf}
.footer-bottom a{color:#b9c8ec}
.f-legal{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- Legal pages ---------- */
.legal-hero{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#eaf0ff;padding:60px 0}
.legal-hero h1{color:#fff}
.legal-body{padding:48px 0 70px}
.legal-body h2{font-size:22px;margin:30px 0 12px}
.legal-body h3{font-size:18px;margin:22px 0 10px}
.legal-body p,.legal-body li{font-size:15px;color:#3c4a66;margin-bottom:10px}
.legal-body ul,.legal-body ol{margin-left:22px;margin-bottom:14px}
.legal-body table{min-width:520px}
.legal-updated{background:var(--sky);display:inline-block;padding:8px 16px;border-radius:10px;font-size:13.5px;color:var(--navy);font-weight:600;margin-bottom:18px}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .hero-grid,.two-col,.cta-grid,.desc-grid{grid-template-columns:1fr}
  .cats-grid,.steps,.compare-grid,.life-grid,.cases-grid,.adv-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  section{padding:52px 0}
  .cats-grid,.steps,.compare-grid,.life-grid,.cases-grid,.adv-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .header-cta .btn{display:none}
  .header-inner{padding:10px 0}
}