/* ITessential – arkusz stylów strony statycznej */

:root{
  --ink:#111A24;--text:#1D2733;--muted:#3E4C5C;--soft:#556273;
  --blue:#1268C4;--blue-d:#0F5FAE;--blue-dd:#0A4682;--sky:#8EC2F5;
  --bg:#FFFFFF;--tint:#F2F6FB;--line:#E3E8EF;--card:#DCE4ED;
  --night:#111A24;--night2:#0B121A;--green:#1E7A46;--green-bg:#EEF7F1;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --wrap:1200px;--r:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-d)}a:hover{color:var(--blue-dd)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 16px;z-index:99;border-radius:6px}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-d);margin:0 0 12px}
h1,h2,h3{color:var(--ink);line-height:1.2;letter-spacing:-.01em}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;padding:14px 24px;border-radius:6px;font-size:16px;border:1px solid var(--blue);line-height:1.3}
.btn:hover{background:var(--blue-dd);color:#fff;border-color:var(--blue-dd)}
.btn-ghost{background:#fff;color:var(--ink);border-color:#C5D0DC}
.btn-ghost:hover{background:var(--tint);color:var(--ink);border-color:#AEBBCA}
.btns{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- nagłówek ---------- */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:50}
.hbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
.logo img{height:42px;width:auto}
.nav{display:flex;align-items:center;gap:4px;font-size:15px;font-weight:500}
.nav>ul{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.nav li{position:relative}
.nav>ul>li>a{display:block;padding:10px 12px;color:var(--text);text-decoration:none;border-radius:6px}
.nav>ul>li>a:hover,.nav>ul>li:focus-within>a{background:var(--tint);color:var(--ink)}
.nav .has-sub>a::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg);margin:0 0 3px 8px}
.sub{position:absolute;left:0;top:100%;min-width:270px;background:#fff;border:1px solid var(--card);border-radius:10px;box-shadow:0 18px 40px rgba(17,26,36,.10);list-style:none;margin:0;padding:8px;display:none}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{display:block;padding:9px 12px;border-radius:6px;color:var(--text);text-decoration:none}
.sub a:hover{background:var(--tint);color:var(--ink)}
.nav .btn{padding:10px 18px;margin-left:10px}
.mnav{display:none}
@media (max-width:1040px){
  .nav{display:none}
  .mnav{display:block}
  .mnav summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;font-weight:600;padding:10px 14px;border:1px solid #C5D0DC;border-radius:6px;min-height:44px}
  .mnav summary::-webkit-details-marker{display:none}
  .mnav[open] summary{background:var(--tint)}
  .mpanel{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(17,26,36,.10);max-height:calc(100vh - 76px);overflow:auto;padding:12px 24px 24px}
  .mpanel h2{font-size:12px;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--blue-d);margin:16px 0 4px}
  .mpanel ul{list-style:none;margin:0;padding:0}
  .mpanel a{display:block;padding:10px 0;color:var(--text);text-decoration:none;border-bottom:1px solid var(--line)}
  .mpanel .btn{display:block;text-align:center;margin-top:18px;color:#fff;border-bottom:0}
}

/* ---------- sekcje strony głównej ---------- */
.hero{background:var(--tint);border-bottom:1px solid var(--line)}
.hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:56px;padding-top:88px;padding-bottom:80px}
.hero-text{flex:1 1 460px;min-width:0}
.hero h1{margin:0 0 22px;font-size:clamp(34px,4.6vw,52px);line-height:1.1;font-weight:700;letter-spacing:-.02em}
.lead{margin:0 0 34px;font-size:19px;color:var(--muted);max-width:560px}
.hero-card{flex:1 1 420px;min-width:0;background:#fff;border:1px solid var(--card);border-radius:14px;padding:36px 32px 28px;box-shadow:0 18px 40px rgba(17,26,36,.08)}
.hero-card .cap{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.hero-card strong{display:block;font-size:18px;color:var(--ink)}
.hero-card span{font-size:14px;color:var(--soft)}
.trust{border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px 32px;padding-top:28px;padding-bottom:28px;font-size:15px}
.trust div{display:flex;gap:12px;align-items:flex-start}
.trust svg{flex:none;margin-top:2px}
.trust strong{color:var(--ink)}
.trust span{color:var(--soft)}
.sec{padding:96px 0}
.sec-tint{background:var(--tint);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec h2.big{margin:0 0 48px;font-size:clamp(28px,3.4vw,38px);font-weight:700;max-width:760px}
.sec-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:44px}
.sec-head h2.big{margin:0}
.grid{display:grid;gap:24px}
.g4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.gm{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{border:1px solid var(--card);border-radius:var(--r);padding:30px 26px;display:flex;flex-direction:column;gap:12px;background:#fff}
.card h3{margin:0;font-size:20px}
.card p{margin:0;color:var(--muted);font-size:16px;flex-grow:1}
.card .more{font-weight:600;font-size:15px}
a.card{text-decoration:none;color:var(--text);transition:border-color .15s,box-shadow .15s}
a.card:hover{border-color:#9DB4CC;box-shadow:0 10px 24px rgba(17,26,36,.06);color:var(--text)}
.card .tag{font-family:var(--mono);font-size:13px;color:var(--blue-d)}
.model .pic{height:120px;display:flex;align-items:center;justify-content:center}
.model .pic img{max-height:120px;width:auto}
.model strong{display:block;font-size:20px;color:var(--ink)}
.model span{font-size:15px;color:var(--soft)}
.split{display:flex;flex-wrap:wrap;gap:56px}
.split>*{flex:1 1 440px;min-width:0}
.dots{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:16px}
.dots li{display:flex;gap:12px}
.dots li::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;background:var(--blue);margin-top:10px}
.dots strong{color:var(--ink)}
.dark{background:var(--night);color:#E6ECF3;border-radius:14px;padding:44px 40px}
.dark h2{color:#fff}
.dark .eyebrow{color:var(--sky)}
.dark ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:16px}
.dark strong{color:#fff}
.steps{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:24px;counter-reset:s}
.steps li{border-top:3px solid var(--blue);padding-top:20px;counter-increment:s}
.steps li::before{content:"0" counter(s);font-family:var(--mono);font-size:14px;color:var(--blue-d)}
.steps strong{display:block;font-size:19px;color:var(--ink);margin:6px 0}
.steps span{color:var(--muted);font-size:16px}
.clients{text-align:center;padding:64px 0}
.clients h2{margin:0 0 8px;font-size:26px}
.clients p{margin:0 0 32px;color:var(--soft);font-size:16px}
.logos{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;list-style:none;margin:0;padding:0}
.logos li{width:260px;height:96px;border:1px solid var(--card);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--soft);font-size:15px;font-weight:600;background:#fff;padding:16px 20px}
.logos img{max-width:100%;max-height:56px;width:auto;height:auto}
.quote{max-width:860px;margin:0 auto;padding:88px 24px;text-align:center}
.quote p{margin:0 0 24px;font-size:clamp(20px,2.4vw,24px);line-height:1.5;color:var(--ink);font-weight:500}
.quote strong{color:var(--ink)}
.quote span{display:block;font-size:15px;color:var(--soft)}
.cta{background:var(--night)}
.cta .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;padding-top:80px;padding-bottom:80px}
.cta h2{margin:0 0 10px;font-size:clamp(28px,3.2vw,36px);color:#fff}
.cta p{margin:0;color:#C3CEDA;font-size:18px}
.cta .btn{background:#fff;color:var(--ink);border-color:#fff;font-size:17px;font-weight:700}
.cta .btn:hover{background:#E6ECF3;border-color:#E6ECF3;color:var(--ink)}
.cta .btn-ghost{background:transparent;color:#fff;border-color:#5C6D80;font-weight:600}
.cta .btn-ghost:hover{background:#1F2B38;color:#fff}

/* ---------- podstrony ---------- */
.page-head{background:var(--tint);border-bottom:1px solid var(--line);padding:40px 0 44px}
.crumbs{font-size:14px;color:var(--soft);margin:0 0 18px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-right:6px;color:#9AA7B6}
.crumbs a{color:var(--soft)}
.page-head h1{margin:0;font-size:clamp(30px,3.8vw,44px);max-width:900px}
.page-head .lead{margin:16px 0 0;font-size:18px}
.page-head .meta{margin:14px 0 0;font-size:14px;color:var(--soft)}
.layout{display:flex;flex-wrap:wrap;gap:48px;padding-top:56px;padding-bottom:88px}
.content{flex:999 1 620px;min-width:0;max-width:820px}
.aside{flex:1 1 280px;min-width:0}
.aside .box{position:sticky;top:100px;border:1px solid var(--card);border-radius:var(--r);padding:26px 24px;background:#fff}
.aside .box img{margin:0 auto 18px;max-height:110px;width:auto}
.aside h2{font-size:19px;margin:0 0 8px}
.aside p{font-size:15px;color:var(--muted);margin:0 0 18px}
.aside .btn{display:block;text-align:center;margin-top:10px}
.aside ul{margin:0;padding:0;list-style:none;font-size:15px}
.aside li{padding:8px 0;border-top:1px solid var(--line)}
.prose{font-size:17px}
.prose h2{font-size:26px;margin:44px 0 14px}
.prose h3{font-size:20px;margin:30px 0 10px}
.prose h2:first-child,.prose h3:first-child{margin-top:0}
.prose p,.prose ul,.prose ol{margin:0 0 16px}
.prose ul,.prose ol{padding-left:22px}
.prose li{margin:0 0 6px}
.prose li::marker{color:var(--blue)}
.prose strong{color:var(--ink)}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--tint);border:1px solid var(--line);border-radius:4px;padding:1px 5px}
.prose pre{background:var(--night);color:#E6ECF3;border-radius:8px;padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.55}
.prose pre code{background:none;border:0;padding:0;color:inherit}
.prose blockquote{margin:0 0 16px;padding:14px 18px;border-left:3px solid var(--blue);background:var(--tint)}
.table-wrap{overflow-x:auto;margin:0 0 20px;border:1px solid var(--card);border-radius:10px}
.prose table{border-collapse:collapse;width:100%;font-size:15px;min-width:520px}
.prose th,.prose td{text-align:left;vertical-align:top;padding:10px 14px;border-bottom:1px solid var(--line)}
.prose thead th{background:var(--tint);color:var(--ink);font-weight:600;border-bottom:1px solid var(--card)}
.prose tr:last-child td{border-bottom:0}
.note{border:1px solid #BFE0CB;background:var(--green-bg);border-radius:10px;padding:16px 20px;margin:0 0 20px}
.note p:last-child{margin-bottom:0}
.note-info{border-color:#C9DDF3;background:#F2F7FD}
.posts{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}

/* ---------- przycisk karty technicznej ---------- */
.btn-pdf{display:flex !important;align-items:center;justify-content:center;gap:6px;white-space:nowrap;padding-left:10px;padding-right:10px;font-size:15px}
.btn-pdf span{font-weight:400;color:var(--soft)}

/* ---------- odznaki partnera ---------- */
.badge-hero{width:260px;height:auto;margin-top:32px;border-radius:8px}
.dark{position:relative}
.badge-sq{float:right;width:96px;height:auto;border-radius:10px;margin:0 0 12px 20px}
.badge-inline{width:320px;height:auto;border-radius:8px}
.badge-foot{width:200px;height:auto;border-radius:6px;margin-top:14px}

/* ---------- stopka ---------- */
.site-footer{background:var(--night2);color:#A9B6C4;font-size:14px}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;padding-top:56px;padding-bottom:32px}
.site-footer .col{flex:1 1 200px;min-width:0;display:flex;flex-direction:column;gap:6px;line-height:1.7}
.site-footer .col:first-child{flex-basis:300px}
.site-footer h2{color:#fff;font-size:16px;margin:0 0 6px}
.site-footer a{color:#A9B6C4;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer a.hl{color:var(--sky)}
.legal{border-top:1px solid #1F2B38}
.legal .wrap{padding-top:18px;padding-bottom:28px;display:block;font-size:13px;color:#8293A6}

@media (max-width:1040px){.aside-top{order:-1}.aside-top .box{position:static}.aside-top .box img{max-height:90px}}
@media (max-width:640px){
  body{font-size:16px}
  .hero .wrap{padding-top:56px;padding-bottom:56px;gap:36px}
  .hero-card{padding:24px 20px 20px}
  .sec{padding:64px 0}
  .dark{padding:32px 24px}
  .layout{padding-top:36px;gap:32px}
  .prose h2{font-size:22px}
}
@media print{.site-header,.site-footer,.aside,.cta{display:none}}