/* HeySystem AI: podstrony (nagłówek strony, treść, karty, blog, formularz). Podstawa: style.css. */

/* nagłówek podstrony */
.page-hero { text-align: center; padding: 56px 0 0; }
.page-hero h1 { margin: 20px auto 0; font-size: clamp(36px, 4.2vw, 56px); max-width: 880px; }
.page-hero .lead { margin-top: 22px; max-width: 640px; }
.page-hero .hero-cta { margin-top: 28px; }
.crumbs { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; font-size: 14px; color: var(--ink-4); }
.crumbs a:hover { color: var(--ink); }
.crumbs [aria-current] { color: var(--ink); }
.section-sm { padding-top: 72px; }

/* siatki kart */
.cards { display: grid; gap: 6px; grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--card); border-radius: var(--r-lg); padding: 28px 28px 30px; }
.card .num { font-family: var(--serif); font-size: 19px; color: var(--ink-4); }
.card h3 { font-size: 26px; margin-top: 14px; }
.card .num + h3 { margin-top: 28px; }
.card p { margin-top: 12px; font-size: 15px; line-height: 1.6; color: var(--ink-3); }
.card ul { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; font-size: 15px; color: var(--ink-3); }
.card li { display: grid; grid-template-columns: 16px 1fr; gap: 10px; }
.card li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ink-4); margin-top: 9px; }
.card-dark { background: #0c0f10; color: var(--white); position: relative; overflow: hidden; isolation: isolate; }
.card-dark h3 { color: var(--white); }
.card-dark p { color: rgba(255,255,255,.78); }

/* dwie kolumny: nagłówek po lewej, treść po prawej */
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 64px; align-items: start; }
.split h2 { font-size: clamp(28px, 3vw, 40px); }
.split .lead { margin: 18px 0 0; font-size: 17px; }
.split .pill { margin-bottom: 20px; }

/* łańcuch kroków (od zlecenia do wyniku) */
.chain { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; counter-reset: krok; }
.chain li { counter-increment: krok; display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: start; background: var(--card); border-radius: var(--r-md); padding: 20px 22px; }
.chain li::before { content: "0" counter(krok); font-family: var(--serif); font-size: 19px; color: var(--ink-4); padding-top: 2px; }
.chain b { display: block; font-weight: 500; color: var(--ink); font-size: 17px; }
.chain span { display: block; margin-top: 4px; font-size: 15px; color: var(--ink-3); line-height: 1.55; }

/* treść pisana: wpis na blogu, case study, strony prawne */
.prose { width: min(720px, 100% - 32px); margin-inline: auto; font-size: 17px; line-height: 1.7; color: var(--ink-2); }
.prose > * + * { margin-top: 20px; }
.prose h2 { font-size: clamp(26px, 2.8vw, 34px); margin-top: 56px; }
.prose h3 { font-size: 24px; margin-top: 36px; }
.prose a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--ink-4); text-underline-offset: 3px; }
.prose a:hover { text-decoration-color: var(--ink); }
.prose ul, .prose ol { padding-left: 22px; display: grid; gap: 10px; }
.prose li::marker { color: var(--ink-4); }
.prose code { font-size: .9em; background: var(--card-2); padding: 2px 6px; border-radius: 6px; }
.prose .btn { text-decoration: none; border: 0; cursor: pointer; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose .odp { background: var(--card); border-radius: var(--r-md); padding: 22px 24px; color: var(--ink); font-size: 18px; }
.prose .uwaga { background: var(--card); border-radius: var(--r-md); padding: 18px 22px; font-size: 15px; color: var(--ink-3); }
.prose table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 15px; line-height: 1.5; background: var(--card); border-radius: var(--r-md); overflow: hidden; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.prose th { color: var(--ink); font-weight: 500; background: var(--card-2); }
.prose tr:last-child td { border-bottom: 0; }
.tabela-wrap { overflow-x: auto; border-radius: var(--r-md); }
.post-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.post-meta .tag { background: var(--card); }
.post-body { padding-top: 56px; }
.post-end { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 15px; }
.post-end a { color: var(--ink); }

/* lista wpisów i realizacji */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.post-card { display: flex; flex-direction: column; background: var(--card); border-radius: var(--r-lg); padding: 24px 24px 22px; min-height: 280px; transition: background-color .5s ease; }
.post-card:hover { background: var(--card-2); }
.post-card .tag { align-self: flex-start; background: var(--white); }
.post-card h3 { margin-top: 28px; font-size: 24px; line-height: 1.22; }
.post-card p { margin-top: 12px; font-size: 15px; line-height: 1.55; color: var(--ink-3); }
.post-card .post-foot { margin-top: auto; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; font-size: 14px; color: var(--ink-4); }
.post-card .post-foot svg { color: var(--ink); transition: transform .3s ease; }
.post-card:hover .post-foot svg { transform: translateX(4px); }
.filtry { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; margin-top: 32px; }
.filtry a { padding: 10px 16px; border-radius: 10px; background: var(--card); color: var(--ink-3); font-size: 15px; transition: color .2s, background-color .2s; }
.filtry a:hover { color: var(--ink); }
.filtry a[aria-current] { background: var(--ink); color: var(--white); }

/* case study: nagłówek z logo na ciemnej karcie i fakty */
.case-hero { margin-top: 48px; height: 300px; border-radius: var(--r-xl); display: grid; place-items: center; }
.case-hero .prism { inset: -25%; opacity: .8; }
.case-hero.case-nd .prism { filter: hue-rotate(68deg) saturate(1.05); }
.case-hero img { filter: brightness(0) invert(1) drop-shadow(0 2px 18px rgba(0,0,0,.55)); width: 280px; height: auto; }
.stats-4 { grid-template-columns: repeat(4, 1fr); }
.stats.stats-tight { margin-top: 6px; }

/* formularz */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: 6px; align-items: stretch; }
.contact-side { padding: 40px 36px; border-radius: var(--r-xl); display: flex; flex-direction: column; }
.contact-side h2 { color: var(--white); font-size: clamp(28px, 3vw, 38px); }
.contact-side ol { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 6px; counter-reset: k; }
.contact-side li { counter-increment: k; display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 16px 18px; border-radius: var(--r-md); background: rgba(0,0,0,.42); backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px); color: rgba(255,255,255,.9); font-size: 15px; line-height: 1.5; }
.contact-side li::before { content: "0" counter(k); font-family: var(--serif); color: rgba(255,255,255,.6); }
.contact-side small { margin-top: auto; padding-top: 28px; color: rgba(255,255,255,.72); font-size: 14px; }
.form { background: var(--card); border-radius: var(--r-xl); padding: 40px 36px; display: grid; gap: 16px; align-content: start; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 8px; font-size: 14px; color: var(--ink-3); }
.form input, .form textarea { font: inherit; font-size: 16px; color: var(--ink); background: var(--white); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 14px 16px; width: 100%; transition: border-color .2s; }
.form textarea { min-height: 132px; resize: vertical; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--ink); }
.form .pulapka { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .form-klauzula { font-size: 13px; line-height: 1.55; color: var(--ink-4); }
.form .form-klauzula a { text-decoration: underline; text-underline-offset: 2px; }
.form .btn { justify-self: start; border: 0; cursor: pointer; }
.form .btn[disabled] { opacity: .6; cursor: default; }
.form-info { font-size: 15px; min-height: 24px; }
.form-info.is-ok { color: #1f6b45; }
.form-info.is-err { color: #a13a2a; }

/* 404 */
.blad { text-align: center; padding: 96px 0 0; }
.blad .kod { font-family: var(--serif); font-size: clamp(96px, 16vw, 180px); line-height: 1; color: var(--ink); letter-spacing: -0.04em; }

/* wpis: spis treści z boku (przykleja się przy przewijaniu) i treść */
.post-layout { display: grid; grid-template-columns: 220px minmax(0, 720px); gap: 56px; justify-content: center; align-items: start; }
.post-layout .prose { width: auto; margin: 0; }
.post-layout > .prose:only-child { grid-column: 1 / -1; width: min(720px, 100%); margin-inline: auto; }
.toc { position: sticky; top: 92px; padding-top: 56px; max-height: calc(100vh - 92px); overflow-y: auto; }
.toc summary { list-style: none; font-size: 14px; color: var(--ink-4); cursor: default; }
.toc summary::-webkit-details-marker { display: none; }
.toc ol { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 2px; }
.toc a { display: block; padding: 8px 12px; border-radius: 10px; font-size: 14px; line-height: 1.4; color: var(--ink-3); transition: color .2s, background-color .2s; }
.toc a:hover { color: var(--ink); }
.toc a[aria-current] { color: var(--ink); background: var(--card); }
.prose h2[id] { scroll-margin-top: 96px; }
.tag-autor { gap: 8px; padding: 4px 10px 4px 4px; }
.tag-autor img { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }

/* ramka autora pod wpisem */
.autor { margin-top: 56px; display: grid; grid-template-columns: 96px 1fr; gap: 24px; align-items: start; background: var(--card); border-radius: var(--r-lg); padding: 28px; }
.autor img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; }
.autor-etykieta { display: block; font-size: 13px; color: var(--ink-4); }
.autor b { display: block; margin-top: 2px; font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 1.2; letter-spacing: -0.02em; color: var(--ink); }
.autor-rola { display: block; margin-top: 2px; font-size: 14px; color: var(--ink-3); }
.autor p { margin-top: 14px; font-size: 15px; line-height: 1.6; color: var(--ink-3); }
.autor a { display: inline-block; margin-top: 12px; font-size: 14px; }
.post-end { margin-top: 32px; }

@media (max-width: 1100px) {
  .post-layout { display: block; }
  .post-layout .prose { width: min(720px, 100%); margin-inline: auto; }
  .toc { position: static; max-height: none; width: min(720px, 100%); margin: 40px auto 0; padding: 0; }
  .toc-box { background: var(--card); border-radius: var(--r-md); padding: 16px 20px; }
  .toc summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--ink); font-size: 15px; font-weight: 500; }
  .toc summary::after { content: "+"; font-size: 20px; line-height: 1; color: var(--ink-4); }
  .toc-box[open] summary::after { content: "−"; }
  .toc ol { margin-top: 10px; }
  .toc a { padding: 8px 0; }
  .toc a[aria-current] { background: none; }
  .post-layout .post-body { padding-top: 32px; }
  .posts { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .stats-4 { grid-template-columns: repeat(2, 1fr); }
  .split { gap: 40px; }
}
@media (max-width: 809px) {
  .autor { grid-template-columns: 1fr; gap: 16px; padding: 24px 20px; }
  .autor img { width: 72px; height: 72px; }
  .page-hero { padding-top: 32px; }
  .page-hero h1 { font-size: 34px; }
  .section-sm { padding-top: 56px; }
  .cards, .cards-2, .posts, .contact, .split, .form-row { grid-template-columns: 1fr; }
  .split { gap: 28px; }
  .card { padding: 24px 20px; }
  .post-card { min-height: 0; }
  .prose { font-size: 16px; }
  .prose h2 { margin-top: 44px; }
  .post-body { padding-top: 40px; }
  .case-hero { height: 200px; border-radius: 32px; margin-top: 36px; }
  .case-hero img { width: 200px; }
  .stats-4 { grid-template-columns: 1fr 1fr; }
  .contact-side, .form { padding: 28px 20px; border-radius: 32px; }
}