/* informatykbydgoszcz.pl - ciepla biel + gleboki zielony atrament.
   Kierunek celowo inny niz blizniak informatyk-bydgoszcz.pl, zgodnie z zasada
   "1 domena = 1 system wizualny". Monospace tylko w listach parametrow, bo to
   serwis o serwerach i tam ma znaczenie funkcjonalne, nie dekoracyjne. */
:root{
  --ink:#123d3a; --ink-2:#0c2b29; --accent:#c2683a; --paper:#fbf8f3;
  --soft:#f1ece3; --line:#dbd2c4; --muted:#5c5a53; --max:1080px;
  /* tokeny powierzchni - oddzielone od koloru tekstu, zeby motyw dalo sie odwrocic */
  --body-text:#20211e; --lead:#33352f; --card:#ffffff; --input-bg:#ffffff;
  --band-ink-bg:#123d3a; --band-ink-text:#eef3f0; --band-ink-link:#f0c3a6;
  --btn-bg:#123d3a; --btn-fg:#ffffff; --menu-shadow:rgba(18,61,58,.14);
}

[data-theme="dark"]{
  --ink:#e7f0ea; --ink-2:#071b1a; --accent:#e5905c; --paper:#0d1f1e;
  --soft:#142a28; --line:#26403d; --muted:#9db2ad;
  --body-text:#dfe7e1; --lead:#c6d3cd; --card:#132927; --input-bg:#0f2422;
  --band-ink-bg:#153734; --band-ink-text:#eef3f0; --band-ink-link:#f0c3a6;
  --btn-bg:#2a8a7c; --btn-fg:#04211e; --menu-shadow:rgba(0,0,0,.5);
}

html{color-scheme:light}
[data-theme="dark"]{color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--body-text);
  font:16px/1.65 "Iowan Old Style",Georgia,"Times New Roman",serif}
h1,h2,h3{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.2;color:var(--ink)}
h1{font-size:clamp(1.9rem,4.2vw,2.7rem);margin:0 0 14px}
h2{font-size:clamp(1.35rem,2.6vw,1.7rem);margin:0 0 12px}
h3{font-size:1.05rem;margin:0 0 8px}
a{color:var(--ink);text-underline-offset:3px}
p{margin:0 0 14px}
.wrap{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.narrow{max-width:760px}

.site-header{border-bottom:1px solid var(--line);background:var(--paper);position:sticky;top:0;z-index:5}
.header-row{display:flex;align-items:center;gap:24px;padding:14px 0}
.brand{font-family:Inter,sans-serif;font-weight:600;text-decoration:none;line-height:1.1}
.brand strong{color:var(--accent)}
.brand span{display:block;font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:500}
.main-nav{display:flex;gap:18px;margin-left:auto;font-family:Inter,sans-serif;font-size:.94rem}
.main-nav a{text-decoration:none;color:var(--muted)}
.main-nav a:hover,.main-nav a.is-current{color:var(--ink)}
.cta{font-family:Inter,sans-serif;font-size:.9rem;padding:8px 16px;border:1px solid var(--ink);
  border-radius:2px;text-decoration:none}

.hero{padding:64px 0 52px;border-bottom:1px solid var(--line)}
.eyebrow{font-family:Inter,sans-serif;font-size:.76rem;letter-spacing:.11em;text-transform:uppercase;
  color:var(--accent);margin-bottom:10px;font-weight:600}
.lead{font-size:1.12rem;color:var(--lead);max-width:62ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-block;font-family:Inter,sans-serif;font-size:.95rem;padding:11px 22px;
  background:var(--btn-bg);color:var(--btn-fg);text-decoration:none;border:1px solid var(--btn-bg);border-radius:2px}
.btn-ghost{background:transparent;color:var(--ink)}

.page-head{padding:52px 0 34px;border-bottom:1px solid var(--line)}
.band{padding:46px 0}
.band-soft{background:var(--soft)}
.band-ink{background:var(--band-ink-bg);color:var(--band-ink-text)}
.band-ink h2{color:#fff}
.band-ink a{color:var(--band-ink-link)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.cards article{background:var(--card);border:1px solid var(--line);padding:22px}
.cards a{font-family:Inter,sans-serif;font-size:.9rem;font-weight:600}

.ticks{list-style:none;padding:0;margin:16px 0 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92rem}
.ticks li{padding:7px 0 7px 22px;border-bottom:1px dashed var(--line);position:relative}
.ticks li::before{content:"›";position:absolute;left:4px;color:var(--accent);font-weight:700}

.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px}
.direct a{font-family:Inter,sans-serif;font-weight:600;font-size:1.05rem}
.form{display:grid;gap:12px;background:var(--card);border:1px solid var(--line);padding:22px}
.form label{display:grid;gap:5px;font-family:Inter,sans-serif;font-size:.88rem;color:var(--muted)}
.form input,.form select,.form textarea{font:inherit;padding:9px 11px;border:1px solid var(--line);
  border-radius:2px;background:var(--input-bg)}
.form .check{grid-template-columns:auto 1fr;align-items:start;gap:9px;font-size:.82rem}
.hp{position:absolute;left:-9999px}
.form-status{font-family:Inter,sans-serif;font-size:.88rem}

.prose h2{margin-top:26px}
.note{font-size:.86rem;color:var(--muted);border-left:3px solid var(--accent);padding-left:12px}

.site-footer{background:var(--ink-2);color:#cfdcd8;margin-top:10px;padding:44px 0 0;
  font-family:Inter,sans-serif;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr .8fr 1fr 1fr;gap:32px;padding-bottom:34px}
.site-footer a{display:block;color:#fff;text-decoration:none;margin-bottom:5px}
.site-footer strong{display:block;color:#8fd0bf;margin-bottom:9px}
.foot-brand{font-weight:600;color:#fff;margin-bottom:8px}
.foot-bottom{border-top:1px solid rgba(207,220,216,.2);padding:15px 0;font-size:.85rem;color:#a9bcb7}
.foot-bottom a{display:inline;color:#cfdcd8}

/* Menu mobilne: <details> zamiast JS. Widoczne dopiero ponizej progu,
   na ktorym chowamy nawigacje desktopowa. */
.mobile-menu{display:none;margin-left:12px;position:relative}
.mobile-menu>summary{list-style:none;cursor:pointer;width:42px;height:38px;
  display:grid;align-content:center;gap:5px;padding:0 9px;border:1px solid var(--line);
  border-radius:2px;background:var(--input-bg)}
.mobile-menu>summary::-webkit-details-marker{display:none}
.mobile-menu>summary span{display:block;height:2px;background:var(--ink);border-radius:1px}
.mobile-menu[open]>summary{border-color:var(--ink)}
.mobile-nav{position:absolute;right:0;top:calc(100% + 8px);z-index:20;min-width:230px;
  background:var(--card);border:1px solid var(--line);box-shadow:0 12px 30px var(--menu-shadow);
  padding:8px;display:grid}
.mobile-nav a{font-family:Inter,sans-serif;font-size:.98rem;text-decoration:none;
  padding:11px 12px;border-radius:2px;color:var(--ink)}
.mobile-nav a:hover,.mobile-nav a.is-current{background:var(--soft)}
.mobile-cta{margin-top:6px;background:var(--btn-bg);color:var(--btn-fg) !important;text-align:center;font-weight:600}

@media (max-width:900px){
  .cards,.contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .main-nav{display:none}
  .mobile-menu{display:block}
}
@media (max-width:420px){
  .cta{display:none}
}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}

/* Przelacznik motywu jasny/ciemny */
.theme-toggle{display:inline-grid;place-items:center;width:38px;height:38px;flex:0 0 38px;padding:0;
  border:1px solid var(--line);border-radius:2px;background:var(--card);color:var(--ink);cursor:pointer}
.theme-toggle:hover{border-color:var(--ink)}
.theme-toggle svg{width:17px;height:17px}
html:not([data-theme="dark"]) .theme-toggle .icon-sun{display:none}
[data-theme="dark"] .theme-toggle .icon-moon{display:none}