/* GrowCommerce — Baza wiedzy. Wspólny arkusz statycznych stron /wiedza/. */
:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #16213a;
  --line: #334155;
  --line-soft: #24334d;
  --text: #f8fafc;
  --text-2: #cbd5e1;
  --text-3: #94a3b8;
  --cyan: #53DBF2;
  --blue: #3A7FF2;
  --purple: #CE9EEC;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--cyan); text-decoration: none; }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; }

.gc-gradient-text {
  background: linear-gradient(90deg, var(--purple), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Chrome ---------- */
.gc-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.gc-header-in {
  max-width: 1120px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.gc-header img.logo { height: 30px; width: auto; display: block; }
.gc-header nav { display: flex; align-items: center; gap: 20px; }
.gc-header nav a { font-size: 14px; font-weight: 500; color: var(--text-2); }
.gc-header nav a:hover { color: #fff; }
.gc-btn {
  display: inline-block;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  color: #0f172a !important;
  font-weight: 700; font-size: 14px;
  padding: 10px 20px; border-radius: 999px;
  box-shadow: 0 0 30px -10px rgba(83, 219, 242, 0.5);
}
.gc-btn:hover { filter: brightness(1.1); }
.gc-btn-ghost {
  display: inline-block;
  border: 1px solid var(--line);
  color: var(--text) !important;
  font-weight: 600; font-size: 14px;
  padding: 10px 20px; border-radius: 999px;
}
.gc-btn-ghost:hover { border-color: var(--cyan); }

.gc-footer {
  border-top: 1px solid var(--line-soft);
  margin-top: 72px; padding: 40px 20px 32px;
  font-size: 14px; color: var(--text-3);
}
.gc-footer-in { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px; }
.gc-footer h4 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-2); }
.gc-footer ul { list-style: none; margin: 0; padding: 0; }
.gc-footer li { margin: 0 0 8px; }
.gc-footer a { color: var(--text-3); }
.gc-footer a:hover { color: var(--cyan); }
.gc-footer .legal { max-width: 1120px; margin: 28px auto 0; padding-top: 18px; border-top: 1px solid var(--line-soft); font-size: 12.5px; }

/* ---------- Layout artykułu ---------- */
.gc-main { max-width: 780px; margin: 0 auto; padding: 40px 20px 0; }
.gc-wide { max-width: 1120px; margin: 0 auto; padding: 40px 20px 0; }

.gc-breadcrumbs { font-size: 13px; color: var(--text-3); margin: 0 0 22px; }
.gc-breadcrumbs a { color: var(--text-3); }
.gc-breadcrumbs a:hover { color: var(--cyan); }

.gc-kicker {
  display: inline-block; font-size: 12px; font-weight: 700;
  letter-spacing: 1.6px; text-transform: uppercase;
  color: var(--cyan); margin: 0 0 14px;
}
h1 {
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1.15; letter-spacing: -0.5px;
  font-weight: 800; margin: 0 0 18px;
}
.gc-meta {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center;
  font-size: 13.5px; color: var(--text-3); margin: 0 0 28px;
}
.gc-meta strong { color: var(--text-2); font-weight: 600; }

.gc-tldr {
  background: linear-gradient(135deg, rgba(58, 127, 242, 0.12), rgba(206, 158, 236, 0.10));
  border: 1px solid rgba(83, 219, 242, 0.25);
  border-radius: var(--radius);
  padding: 22px 24px; margin: 0 0 36px;
}
.gc-tldr .label {
  font-size: 12px; font-weight: 800; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--cyan); margin: 0 0 8px;
}
.gc-tldr p { margin: 0; font-size: 16.5px; line-height: 1.65; color: var(--text); }

article h2 {
  font-size: clamp(22px, 3.2vw, 28px); line-height: 1.25;
  font-weight: 800; letter-spacing: -0.3px;
  margin: 48px 0 16px; scroll-margin-top: 90px;
}
article h3 { font-size: 19px; font-weight: 700; margin: 30px 0 10px; }
article p { margin: 0 0 18px; font-size: 16px; color: var(--text-2); }
article li { color: var(--text-2); margin: 0 0 8px; }
article strong { color: var(--text); }
article figure { margin: 26px 0; }
article figcaption { font-size: 13px; color: var(--text-3); margin-top: 8px; text-align: center; }
article img.shot { border-radius: 12px; border: 1px solid var(--line-soft); }

.gc-toc {
  background: var(--panel-2); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 18px 22px; margin: 0 0 36px;
  font-size: 14.5px;
}
.gc-toc .label { font-size: 12px; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase; color: var(--text-3); margin: 0 0 10px; }
.gc-toc ol { margin: 0; padding-left: 20px; }
.gc-toc li { margin: 0 0 6px; }
.gc-toc a { color: var(--text-2); }
.gc-toc a:hover { color: var(--cyan); }

/* ---------- Tabele ---------- */
.gc-table-wrap { overflow-x: auto; margin: 24px 0; border: 1px solid var(--line-soft); border-radius: 12px; }
table.gc-table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 14.5px; }
.gc-table th {
  background: var(--panel); color: var(--text);
  text-align: left; padding: 12px 14px; font-weight: 700;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.gc-table td { padding: 12px 14px; border-bottom: 1px solid var(--line-soft); color: var(--text-2); vertical-align: top; }
.gc-table tr:last-child td { border-bottom: none; }
.gc-table tr.hl td { background: rgba(58, 127, 242, 0.10); color: var(--text); }
.gc-table .yes { color: #4ade80; font-weight: 700; }
.gc-table .no { color: #f87171; font-weight: 700; }
.gc-table .meh { color: #facc15; font-weight: 700; }

/* ---------- Boxy ---------- */
.gc-callout {
  background: var(--panel-2); border-left: 3px solid var(--cyan);
  border-radius: 0 12px 12px 0; padding: 16px 20px; margin: 24px 0;
  font-size: 15px; color: var(--text-2);
}
.gc-callout.purple { border-left-color: var(--purple); }
.gc-callout p { margin: 0; }

.gc-trial {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 16px 22px; margin: 26px 0; padding: 20px 22px; border-radius: 14px;
  border: 1px solid rgba(83, 219, 242, 0.3);
  background: linear-gradient(135deg, rgba(58, 127, 242, 0.16), rgba(83, 219, 242, 0.06));
}
.gc-trial .t { font-weight: 800; font-size: 18px; color: var(--text); margin: 0 0 4px; }
.gc-trial .d { color: var(--text-2); font-size: 14.5px; line-height: 1.55; margin: 0; max-width: 62ch; }
.gc-trial .gc-btn { white-space: nowrap; flex: 0 0 auto; }

.gc-cta {
  background: linear-gradient(135deg, rgba(58, 127, 242, 0.15), rgba(83, 219, 242, 0.08));
  border: 1px solid rgba(83, 219, 242, 0.3);
  border-radius: var(--radius); padding: 26px 28px; margin: 40px 0;
}
.gc-cta h3 { margin: 0 0 8px; font-size: 20px; }
.gc-cta p { margin: 0 0 16px; font-size: 15px; color: var(--text-2); }
.gc-cta .row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- FAQ ---------- */
.gc-faq { margin: 20px 0 0; }
.gc-faq details {
  border: 1px solid var(--line-soft); border-radius: 12px;
  padding: 0; margin: 0 0 10px; background: var(--panel-2);
}
.gc-faq summary {
  cursor: pointer; list-style: none;
  padding: 16px 20px; font-weight: 600; font-size: 15.5px; color: var(--text);
}
.gc-faq summary::-webkit-details-marker { display: none; }
.gc-faq summary::after { content: '+'; float: right; color: var(--cyan); font-weight: 700; }
.gc-faq details[open] summary::after { content: '\2212'; }
.gc-faq .a { padding: 0 20px 16px; font-size: 15px; color: var(--text-2); }
.gc-faq .a p { margin: 0 0 10px; }

/* ---------- Karty huba / powiązane ---------- */
.gc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; margin: 28px 0; }
.gc-card {
  display: block; background: var(--panel-2);
  border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: 22px 24px; color: var(--text) !important;
  transition: border-color .2s, transform .2s;
}
.gc-card:hover { border-color: rgba(83, 219, 242, 0.5); transform: translateY(-2px); }
.gc-card .cat { font-size: 11.5px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--cyan); margin: 0 0 10px; }
.gc-card h3 { margin: 0 0 8px; font-size: 17.5px; line-height: 1.35; }
.gc-card p { margin: 0; font-size: 14px; color: var(--text-3); line-height: 1.55; }
.gc-card .more { display: inline-block; margin-top: 12px; font-size: 13.5px; font-weight: 600; color: var(--cyan); }

.gc-related { margin: 48px 0 0; }
.gc-related h2 { font-size: 22px; }

/* ---------- Autor ---------- */
.gc-author {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--panel-2); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 20px 22px; margin: 44px 0 0;
}
.gc-author .avatar {
  flex: 0 0 auto; width: 60px; height: 60px; border-radius: 50%; overflow: hidden;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 19px; color: #0f172a;
  border: 1px solid var(--line-soft);
}
.gc-author .avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gc-author .who { font-weight: 700; color: var(--text); font-size: 15.5px; }
.gc-author .role { font-size: 13px; color: var(--cyan); margin: 2px 0 8px; }
.gc-author p { margin: 0; font-size: 14px; color: var(--text-3); line-height: 1.6; }

@media (max-width: 640px) {
  .gc-header nav a.hide-m { display: none; }
  .gc-main, .gc-wide { padding-top: 28px; }
}

/* ---------- v2: oddech typograficzny ---------- */
article p { margin: 0 0 24px; }
article h2 { margin: 58px 0 20px; }
article h3 { margin: 36px 0 14px; }
article ul, article ol { margin: 0 0 26px; padding-left: 22px; }
article li { margin: 0 0 12px; }
.gc-tldr { margin-bottom: 46px; }
.gc-toc { margin-bottom: 46px; }
.gc-callout { margin: 32px 0; }
.gc-table-wrap { margin: 30px 0 34px; }
article figure { margin: 36px 0; }
.gc-cta { margin: 48px 0; }

/* ---------- Promo: narzędzia GrowCommerce ---------- */
.gc-promo {
  background: var(--panel-2); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 22px 24px; margin: 46px 0 0;
}
.gc-promo .label { font-size: 12px; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase; color: var(--cyan); margin: 0 0 14px; }
.gc-promo .items { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px; }
.gc-promo .item {
  display: block; padding: 14px 16px; border: 1px solid var(--line-soft);
  border-radius: 10px; color: var(--text) !important; background: rgba(15, 23, 42, 0.55);
  transition: border-color .2s;
}
.gc-promo a.item:hover { border-color: rgba(83, 219, 242, 0.5); }
.gc-promo .item strong { display: block; font-size: 14.5px; }
.gc-promo .item .d { display: block; font-size: 12.5px; color: var(--text-3); margin-top: 4px; line-height: 1.5; }
.gc-promo .tag { display: inline-block; font-size: 10px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: #0f172a; background: var(--purple); border-radius: 999px; padding: 2px 8px; margin-left: 8px; vertical-align: 2px; }
.gc-promo .item.soon { opacity: .8; }

/* ---------- Modal kontaktowy ---------- */
.gc-modal { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; }
.gc-modal.open { display: flex; }
.gc-modal .backdrop { position: absolute; inset: 0; background: rgba(2, 6, 23, 0.82); backdrop-filter: blur(4px); }
.gc-modal .box {
  position: relative; width: 100%; max-width: 540px; max-height: 92vh; overflow: auto;
  background: #0f172a; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 30px 26px; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.gc-modal h3 { margin: 0 0 6px; font-size: 22px; font-weight: 800; letter-spacing: -0.3px; }
.gc-modal .sub { margin: 0 0 20px; font-size: 14px; color: var(--text-3); }
.gc-modal .close {
  position: absolute; top: 14px; right: 16px; background: none; border: none;
  color: var(--text-3); font-size: 26px; line-height: 1; cursor: pointer; padding: 4px;
}
.gc-modal .close:hover { color: #fff; }
.gc-field { margin: 0 0 14px; }
.gc-field[hidden], .gc-license-only[hidden] { display: none !important; }
.gc-license-only { border-left: 2px solid var(--cyan); padding-left: 12px; margin-left: -2px; }
.gc-field label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin: 0 0 6px; }
.gc-field input, .gc-field select, .gc-field textarea {
  width: 100%; box-sizing: border-box; background: #1e293b; border: 1px solid var(--line);
  border-radius: 10px; color: var(--text); padding: 12px 13px; font: inherit; font-size: 14.5px;
}
.gc-field input:focus, .gc-field select:focus, .gc-field textarea:focus { outline: 2px solid rgba(83, 219, 242, 0.5); border-color: var(--cyan); }
.gc-field textarea { min-height: 110px; resize: vertical; }
.gc-modal .gc-btn { border: none; cursor: pointer; width: 100%; font-size: 15px; padding: 13px 20px; }
.gc-form-note { margin: 12px 0 0; font-size: 13.5px; color: var(--text-3); min-height: 1.2em; }
.gc-form-note.ok { color: #4ade80; }
.gc-form-note.err { color: #f87171; }

/* ============ REDESIGN v3: schematyczny TOC + ikony promo + sidebar ============ */

/* Schematyczny spis treści (stepper z numerami i linią) — nadpisuje wcześniejsze reguły */
.gc-toc ol { list-style: none; margin: 0; padding: 2px 0 0; counter-reset: toc; }
.gc-toc li { position: relative; margin: 0; padding: 9px 0 9px 42px; counter-increment: toc; }
.gc-toc li::before {
  content: counter(toc); position: absolute; left: 0; top: 6px;
  width: 26px; height: 26px; border-radius: 9px;
  background: linear-gradient(135deg, var(--cyan), var(--blue)); color: #04283a;
  font-size: 12.5px; font-weight: 800; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 3px 10px rgba(83,219,242,.25);
}
.gc-toc li:not(:last-child)::after {
  content: ""; position: absolute; left: 12px; top: 34px; bottom: -3px; width: 2px;
  background: linear-gradient(var(--line), transparent);
}
.gc-toc a { color: var(--text); font-weight: 500; }
.gc-toc a:hover { color: var(--cyan); }

/* Ikony w promo-boxie — line-ikony w kafelkach (styl GrowX, bez emoji) */
.gc-promo .item { position: relative; padding-left: 58px; }
.gc-promo .item::before {
  content: ""; position: absolute; left: 15px; top: 14px;
  width: 30px; height: 30px; border-radius: 9px;
  background-color: rgba(83, 219, 242, 0.10);
  border: 1px solid rgba(83, 219, 242, 0.22);
  background-repeat: no-repeat; background-position: center; background-size: 17px 17px;
}
.gc-promo .items > *:nth-child(1)::before { background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2024%2024%27%20fill%3D%27none%27%20stroke%3D%27%2353DBF2%27%20stroke-width%3D%271.7%27%20stroke-linecap%3D%27round%27%20stroke-linejoin%3D%27round%27%3E%3Crect%20x%3D%273%27%20y%3D%274%27%20width%3D%2718%27%20height%3D%2716%27%20rx%3D%272%27%2F%3E%3Cpath%20d%3D%27M3%209h18M9%209v11%27%2F%3E%3C%2Fsvg%3E"); }
.gc-promo .items > *:nth-child(2)::before { background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2024%2024%27%20fill%3D%27none%27%20stroke%3D%27%2353DBF2%27%20stroke-width%3D%271.7%27%20stroke-linecap%3D%27round%27%20stroke-linejoin%3D%27round%27%3E%3Cpath%20d%3D%27M12%203l9%205-9%205-9-5%209-5z%27%2F%3E%3Cpath%20d%3D%27M3%2013l9%205%209-5%27%2F%3E%3C%2Fsvg%3E"); }
.gc-promo .items > *:nth-child(3)::before { background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2024%2024%27%20fill%3D%27none%27%20stroke%3D%27%2353DBF2%27%20stroke-width%3D%271.7%27%20stroke-linecap%3D%27round%27%20stroke-linejoin%3D%27round%27%3E%3Crect%20x%3D%273%27%20y%3D%275%27%20width%3D%2718%27%20height%3D%2714%27%20rx%3D%272%27%2F%3E%3Cpath%20d%3D%27M3%207l9%206%209-6%27%2F%3E%3C%2Fsvg%3E"); }
.gc-promo .items > *:nth-child(4)::before { background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2024%2024%27%20fill%3D%27none%27%20stroke%3D%27%2353DBF2%27%20stroke-width%3D%271.7%27%20stroke-linecap%3D%27round%27%20stroke-linejoin%3D%27round%27%3E%3Crect%20x%3D%273%27%20y%3D%273%27%20width%3D%277%27%20height%3D%277%27%20rx%3D%271.5%27%2F%3E%3Crect%20x%3D%2714%27%20y%3D%273%27%20width%3D%277%27%20height%3D%277%27%20rx%3D%271.5%27%2F%3E%3Crect%20x%3D%273%27%20y%3D%2714%27%20width%3D%277%27%20height%3D%277%27%20rx%3D%271.5%27%2F%3E%3Crect%20x%3D%2714%27%20y%3D%2714%27%20width%3D%277%27%20height%3D%277%27%20rx%3D%271.5%27%2F%3E%3C%2Fsvg%3E"); }

/* Layout z bocznym pasem (desktop wykorzystuje puste boki) */
@media (min-width: 1100px) {
  .gc-main { max-width: 1200px; }
  .gc-shell { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 50px; align-items: start; }
  .gc-shell > article { min-width: 0; max-width: 764px; }
  .gc-side { position: sticky; top: 82px; display: flex; flex-direction: column; gap: 16px; }
}
.gc-side { display: none; }
@media (min-width: 1100px) { .gc-side { display: flex; } }

/* Sticky karta promo (Modern 3.0) + wycena */
.gc-side-card {
  background: linear-gradient(160deg, rgba(58,127,242,.16), rgba(83,219,242,.06));
  border: 1px solid rgba(83,219,242,.28); border-radius: 16px; padding: 20px;
}
.gc-side-badge {
  display: inline-block; font-size: 10.5px; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase;
  color: #04283a; background: var(--cyan); border-radius: 999px; padding: 3px 10px; margin-bottom: 12px;
}
.gc-side-card h4 { font-size: 17px; margin: 0 0 8px; color: var(--text); line-height: 1.3; }
.gc-side-card p { font-size: 13.5px; color: var(--text-2); margin: 0 0 14px; line-height: 1.6; }
.gc-side-card .gc-btn { width: 100%; text-align: center; box-sizing: border-box; }
.gc-side-quote {
  background: var(--panel-2); border: 1px solid var(--line-soft); border-radius: 16px; padding: 18px 20px;
}
.gc-side-quote .q { font-size: 15px; font-weight: 700; color: var(--text); margin: 0 0 4px; }
.gc-side-quote .d { font-size: 13px; color: var(--text-3); margin: 0 0 12px; line-height: 1.55; }
.gc-side-quote .gc-btn-ghost { width: 100%; text-align: center; box-sizing: border-box; }