:root{--ink:#1d1d1f;--muted:#6e6e73;--blue:#0071e3;--paper:#f5f5f7;--line:#d2d2d7}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;background:#fff;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased;padding-bottom:75px}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #2997ff;outline-offset:4px}h1,h2,h3,p{margin:0}p{line-height:1.6}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(1160px,calc(100% - 48px));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:10px;z-index:200;background:#fff;padding:15px}.overline{color:#64646b;font-size:12px;font-weight:720;text-transform:uppercase;letter-spacing:1.3px}.brand{font-size:24px;font-weight:760;letter-spacing:-1.2px;white-space:nowrap}.brand span{font-weight:400}.brand i{font-style:normal;color:var(--blue)}.global-nav{position:sticky;top:0;z-index:90;background:#fafafce8;backdrop-filter:blur(24px);border-bottom:1px solid #0000000b}.nav-inner{height:66px;display:flex;justify-content:space-between;align-items:center;gap:20px}.navlinks{display:flex;align-items:center;gap:22px;font-size:12px}.navlinks a[aria-current=page]{font-weight:700}.navcall{background:var(--ink);color:#fff;border-radius:100px;padding:10px 17px;font-size:12px;white-space:nowrap}.navcall:hover{color:#fff;background:#45454b}.menu{display:none;border:0;background:transparent;font-size:24px}.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;background:var(--blue);color:#fff;border:0;border-radius:100px;padding:12px 22px;font-size:14px;font-weight:650}.button:hover{background:#0077ed;color:#fff}.more,.back{color:var(--blue);font-size:14px;font-weight:520}.blog-hero{padding:87px 0 90px;background:radial-gradient(ellipse at 80% 0%,#e6f1ff 0,transparent 45%),linear-gradient(180deg,#f5f5f7,#fff)}.blog-hero h1{font-size:clamp(56px,8vw,104px);line-height:.99;letter-spacing:-5px;font-weight:735;margin:19px 0 24px}.blog-hero h1 span{color:var(--blue)}.hero-sub{font-size:clamp(19px,2vw,25px);color:var(--muted);line-height:1.4;max-width:770px}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:25px;margin-top:30px}.section-heading{margin:0 0 29px}.section-heading h2{font-size:clamp(34px,5vw,57px);line-height:1.08;letter-spacing:-2.4px;margin:12px 0}.section-heading p:not(.overline){color:var(--muted)}.blog-list{padding-top:20px;padding-bottom:115px}.chips{display:flex;gap:9px;overflow:auto;white-space:nowrap;scrollbar-width:none;padding:10px 0 22px}.chips::-webkit-scrollbar{display:none}.chips a{padding:11px 16px;border:1px solid #e4e4e7;border-radius:100px;background:#f5f5f7;font-size:12px;color:#424249}.chips a[aria-current=page]{background:#1d1d1f;color:#fff;border-color:#1d1d1f}.search-bar{display:flex;justify-content:space-between;align-items:end;gap:18px;margin:12px 0 32px}.search-bar label{display:none}.search-bar>div{display:flex;border:1px solid #d2d2d7;border-radius:13px;overflow:hidden;width:min(530px,100%)}.search-bar input{border:0;min-width:0;flex:1;padding:14px 15px;outline:0;font-size:13px}.search-bar button{background:#1d1d1f;border:0;color:#fff;padding:0 20px;font-size:13px}.search-bar span{font-size:12px;color:var(--muted);white-space:nowrap;padding-bottom:10px}.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 19px}.post-card{min-width:0;border:1px solid #e9e9ed;border-radius:22px;overflow:hidden;background:#fff;transition:box-shadow .2s}.post-card:hover{box-shadow:0 12px 35px #0000000d}.thumb{position:relative;display:grid;place-items:center;aspect-ratio:16/10;background:linear-gradient(135deg,#dceaf6,#eef0f4 60%,#dadfe7);overflow:hidden}.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;transition:transform .4s}.post-card:hover .thumb img{transform:scale(1.04)}.image-fallback{color:#7c8899;font-size:32px;font-weight:700;letter-spacing:-2px}.image-fallback span{font-weight:400}.card-inner{padding:22px 22px 25px}.card-inner .overline{font-size:10px;letter-spacing:.8px}.card-inner h3{font-size:21px;line-height:1.2;letter-spacing:-.55px;margin:10px 0 11px;overflow-wrap:anywhere}.card-inner h3 a:hover{color:#0071e3}.card-inner p{color:var(--muted);font-size:13px;line-height:1.55;min-height:60px}.card-inner .more{display:inline-block;margin-top:16px}.pagination{display:flex;justify-content:center;align-items:center;gap:26px;margin:42px 0 0;font-size:13px}.pagination a{padding:12px 19px;border:1px solid #d2d2d7;border-radius:100px}.pagination span{color:var(--muted)}.empty{background:var(--paper);padding:50px;border-radius:20px}.empty h3{font-size:27px}.empty p{margin-top:12px;color:var(--muted)}.blog-cta{background:#111318;color:#fff;text-align:center;padding:94px 20px}.blog-cta .overline{color:#a9b0bf}.blog-cta h2{font-size:clamp(40px,6vw,74px);line-height:1.02;letter-spacing:-3px;margin:16px 0}.blog-cta p:not(.overline){max-width:580px;margin:0 auto 25px;color:#bac0cb;font-size:16px}.article-hero{background:linear-gradient(180deg,#f5f5f7,#fff);padding:55px 0 52px}.article-hero-inner{max-width:950px}.back{display:inline-block;margin:0 0 48px}.article-hero .overline a{color:var(--blue)}.article-hero h1{font-size:clamp(42px,6vw,78px);line-height:1.04;letter-spacing:-3.5px;margin:18px 0 23px}.article-intro{color:var(--muted);font-size:clamp(18px,2.2vw,23px);max-width:780px;line-height:1.48}.article-layout{display:grid;grid-template-columns:minmax(0,740px) 250px;justify-content:space-between;gap:55px;padding:20px 0 100px}.article-cover{border-radius:25px;overflow:hidden;background:#f5f5f7;margin-bottom:40px;text-align:center}.article-cover img{display:block;width:100%;max-height:620px;object-fit:contain}.rich-text{font-size:17px;color:#3f3f46;line-height:1.8;overflow-wrap:anywhere}.rich-text>*+*{margin-top:19px}.rich-text h2,.rich-text h3{color:#1d1d1f;line-height:1.18;letter-spacing:-.8px;margin-top:34px;margin-bottom:16px}.rich-text h2{font-size:31px}.rich-text h3{font-size:24px}.rich-text p{line-height:1.85}.rich-text a{color:#0071e3;text-decoration:underline}.rich-text img{max-width:100%;height:auto;border-radius:16px}.rich-text ul,.rich-text ol{padding-left:26px}.rich-text blockquote{border-left:3px solid #0071e3;padding-left:20px;color:var(--muted)}.article-aside{position:sticky;top:105px;align-self:start;background:var(--paper);border-radius:18px;padding:25px}.article-aside h3{font-size:22px;letter-spacing:-.5px;margin:14px 0}.article-aside p{color:var(--muted);font-size:13px}.article-aside .more{display:block;margin:17px 0}.article-aside hr{border:0;border-top:1px solid #dedee2;margin:24px 0}.media-block{margin:42px 0}.media-block h2{font-size:29px;letter-spacing:-.9px;margin-bottom:16px}/* Shorts mają odtwarzacz 9:16. Normalne filmy — 16:9, rozpoznawane z miniatury. */
.video-frame{width:min(100%,390px);aspect-ratio:9/16;margin-inline:auto;background:#101014;border-radius:22px;overflow:hidden}
.video-frame.is-landscape{width:100%;max-width:740px;aspect-ratio:16/9}
.video-frame iframe{width:100%;height:100%;border:0}.video-external{display:inline-block;margin-top:11px;color:#0071e3;font-size:13px}.external a{color:#0071e3}.article-cta{margin-top:65px;padding:35px;border-radius:21px;background:#f5f5f7}.article-cta h2{font-size:33px;letter-spacing:-1px;margin:11px 0}.article-cta p:not(.overline){color:var(--muted);margin-bottom:25px}.article-cta .more{margin-left:18px}.more-articles{padding:75px 0 105px;background:#f5f5f7}.more-articles .post-card{background:#fff}.error{padding-top:110px;padding-bottom:170px;min-height:55vh}.error h1{font-size:55px;letter-spacing:-2px;margin:12px 0}.error p{color:var(--muted)}.error a{color:var(--blue)}footer{background:#f5f5f7;padding:60px 0 35px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer-grid p{color:var(--muted);font-size:13px;margin:18px 0 0;max-width:380px}.footer-grid h3{font-size:12px;margin-bottom:17px}.footer-grid>div:not(:first-child)>a{display:block;color:#626268;font-size:13px;margin:12px 0}.footer-grid>div:not(:first-child)>a:hover{color:var(--blue)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:26px;margin-top:40px;border-top:1px solid #d2d2d7;color:#88888e;font-size:11px}.floating{position:fixed;bottom:20px;right:24px;display:flex;align-items:center;gap:18px;z-index:95;background:#fffefef3;backdrop-filter:blur(18px);padding:8px 8px 8px 18px;border:1px solid #d2d2d7aa;box-shadow:0 6px 25px #00000019;border-radius:100px;font-size:12px}.floating .button{font-size:12px;min-height:38px;padding:10px 16px}@media(max-width:1050px){.navlinks{gap:13px}.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr) 210px;gap:30px}}@media(max-width:790px){.navlinks{display:none;position:absolute;top:66px;left:0;right:0;background:#fafafc;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 18px 32px #0001}.navlinks.open{display:flex}.navlinks a{padding:15px 26px;border-bottom:1px solid #e9e9ee;font-size:14px}.menu{display:block;margin-left:auto}.article-layout{grid-template-columns:1fr}.article-aside{position:static}.footer-grid{grid-template-columns:1.5fr 1fr 1fr}}@media(max-width:600px){.wrap{width:calc(100% - 36px)}.nav-inner{height:62px;gap:11px}.navlinks{top:62px}.brand{font-size:23px}.navcall{padding:9px 12px}.blog-hero{padding:67px 0 70px}.blog-hero h1{font-size:clamp(49px,13vw,70px);letter-spacing:-3px}.hero-sub{font-size:18px}.blog-list{padding-top:15px;padding-bottom:70px}.section-heading h2{letter-spacing:-1.8px}.chips{margin-inline:-18px;padding-left:18px;padding-right:18px}.chips a{padding:9px 13px}.search-bar{flex-direction:column;align-items:stretch;gap:7px}.search-bar>div{width:100%}.search-bar span{padding:0}.post-grid{grid-template-columns:1fr;gap:18px}.card-inner p{min-height:0}.pagination{gap:12px;flex-wrap:wrap}.pagination a{padding:9px 12px}.blog-cta{padding:70px 20px}.blog-cta h2{letter-spacing:-2px}.article-hero{padding:36px 0 28px}.back{margin-bottom:40px}.article-hero h1{letter-spacing:-2px}.article-layout{padding-bottom:60px}.article-cover{margin-bottom:25px}.rich-text{font-size:16px}.article-cta{padding:25px}.article-cta h2{font-size:28px}.article-cta .more{display:block;margin:18px 0 0}.more-articles{padding:65px 0}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-bottom{flex-direction:column}.floating{left:12px;right:12px;bottom:12px;justify-content:space-between;gap:7px;font-size:11px}.floating .button{font-size:11px;white-space:nowrap;padding:9px 10px}body{padding-bottom:80px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Miniatura Shorts: najwyższa dostępna wersja pionowa, bez czarnego tła z hqdefault. */
/* Kafelków nie ukrywamy podczas sprawdzania jakości obrazu. */
.thumb img[data-youtube-thumb]{opacity:1}
.thumb img[data-youtube-thumb].thumb-ready{opacity:1}
.thumb img[data-youtube-thumb].thumb-portrait{object-fit:cover}
@media(max-width:600px){.video-frame{width:min(100%,350px);border-radius:17px}.video-frame.is-landscape{width:100%}.article-cover img{max-height:470px}}

/* Pozioma miniatura zawierająca pionowe wideo: schowaj boczne czarne pasy. */
.thumb img[data-youtube-thumb].thumb-crop-center{transform:scale(2.6);object-position:center}
.post-card:hover .thumb img[data-youtube-thumb].thumb-crop-center{transform:scale(2.68)}

/* PROinstal Blog — zwięzły hero i ciemna galeria wpisów, 19.10.2026.
   Dotyczy tylko strony listy bloga, nie stron pojedynczych artykułów. */
.blog-hero{
  padding:34px 0 40px;
}
.blog-hero h1{
  margin:11px 0 15px;
}
.blog-hero .hero-actions{
  margin-top:18px;
}

/* Cała szerokość ekranu jest czarna, podczas gdy .wrap zachowuje szerokość treści. */
.blog-list{
  position:relative;
  isolation:isolate;
  color:#f5f6f8;
  padding-top:50px;
  padding-bottom:100px;
}
.blog-list::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  left:50%;
  width:100vw;
  transform:translateX(-50%);
  background:#0b0d12;
  z-index:-1;
  pointer-events:none;
}
/* Zapobiega poziomemu paskowi przewijania przy pełnej szerokości tła. */
html{overflow-x:clip}
.blog-list .section-heading .overline{color:#b4bfcc}
.blog-list .section-heading h2{color:#f8f9fc}
.blog-list .section-heading p:not(.overline){color:#b4bac6}
.blog-list .chips a{
  background:#1a1e26;
  color:#d6dbe5;
  border-color:#353b46;
}
.blog-list .chips a:hover{background:#272e3a;color:#fff;border-color:#546477}
.blog-list .chips a[aria-current=page]{background:#f5f5f7;color:#1d1d1f;border-color:#f5f5f7}
.blog-list .search-bar>div{border-color:#424855;background:#fff}
.blog-list .search-bar input{background:#fff;color:#1d1d1f}
.blog-list .search-bar button{background:#0071e3;color:#fff}
.blog-list .search-bar button:hover{background:#0077ed}
.blog-list .search-bar span{color:#b1b9c5}
.blog-list .post-card{
  background:#1b2029;
  border-color:#323a45;
}
.blog-list .post-card:hover{box-shadow:0 18px 42px #0008}
.blog-list .thumb{background:linear-gradient(135deg,#283546,#1b2532 60%,#222732)}
.blog-list .image-fallback{color:#cbd7e8}
.blog-list .card-inner .overline{color:#b4c1d3}
.blog-list .card-inner h3 a{color:#f9fafc}
.blog-list .card-inner h3 a:hover{color:#8dc7ff}
.blog-list .card-inner p{color:#bac2ce}
.blog-list .card-inner .more{color:#8fc8ff}
.blog-list .card-inner .more:hover{color:#b9dfff}
.blog-list .pagination a{border-color:#454b57;color:#e1e6ee}
.blog-list .pagination a:hover{background:#252b36;color:#fff}
.blog-list .pagination span{color:#b1b9c5}
.blog-list .empty{background:#1b2029}
.blog-list .empty p{color:#b8c0cc}

@media(max-width:600px){
  .blog-hero{padding:30px 0 35px}
  .blog-hero h1{margin:10px 0 14px}
  .blog-hero .hero-actions{margin-top:16px;gap:15px}
  .blog-list{padding-top:36px;padding-bottom:68px}
}