/* Dźwigopedia — wiedza o windach dla zarządców.
   Layout: wąska kolumna lektury + panel "wyświetlacza piętra" jako znak rozpoznawczy marki. */
:root {
  --bg: #f3f5f8;          /* chłodna biel z nutą błękitu */
  --surface: #ffffff;
  --ink: #14213d;         /* granat szybu */
  --muted: #55627a;
  --line: #d8dee8;
  --gold: #b9862a;        /* złoty akcent */
  --gold-ink: #7a5512;
  --sky: #2f6fb3;         /* niebieski akcent */
  --panel: #0f1a30;       /* panel wyświetlacza */
  --panel-ink: #f5c35a;   /* segmenty wyświetlacza */
  --ok: #2e7d4f;
  --warn: #b5701b;
  --bad: #b3352b;
  --display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1424; --surface: #141e33; --ink: #e8edf6; --muted: #9aa8c0; --line: #26324b;
    --gold: #e0ad4f; --gold-ink: #f0c879; --sky: #7fb2ea; --panel: #070d1a; --panel-ink: #f5c35a;
    --ok: #5cbf86; --warn: #e2a24e; --bad: #ec7a6f; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1424; --surface: #141e33; --ink: #e8edf6; --muted: #9aa8c0; --line: #26324b;
  --gold: #e0ad4f; --gold-ink: #f0c879; --sky: #7fb2ea; --panel: #070d1a; --panel-ink: #f5c35a;
  --ok: #5cbf86; --warn: #e2a24e; --bad: #ec7a6f; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 17px/1.65 var(--body);
}
img { max-width: 100%; height: auto; }
a { color: var(--sky); text-underline-offset: 3px; }
a:hover { color: var(--gold-ink); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; border-radius: 3px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.1; text-wrap: balance; letter-spacing: .005em; }
h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); font-weight: 700; margin: 0 0 .5em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.15rem); font-weight: 600; margin: 2.2em 0 .6em; }
h3 { font-size: 1.3rem; font-weight: 600; margin: 1.6em 0 .4em; }
p, ul, ol { margin: 0 0 1em; }
li { margin-bottom: .35em; }
.eyebrow { font: 600 .78rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--gold-ink); margin: 0 0 1rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.read { max-width: 42rem; }

/* Header */
.site-head { border-bottom: 1px solid var(--line); background: var(--surface); }
.site-head .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 28px; padding-block: 14px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand-name { font: 700 1.55rem/1 var(--display); letter-spacing: .02em; }
.brand-name b { color: var(--gold); font-weight: 700; }
.nav { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: .95rem; }
.nav a { color: var(--ink); text-decoration: none; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"] { border-bottom-color: var(--gold); color: var(--ink); }

/* Hero */
.hero { padding-block: clamp(36px, 6vw, 72px) clamp(28px, 4vw, 48px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.hero p.lead { font-size: 1.18rem; color: var(--muted); max-width: 34rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 1.4rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 10px 20px;
  font: 600 1rem/1.2 var(--body); text-decoration: none; border-radius: 6px; border: 2px solid var(--ink); color: var(--ink); background: transparent; cursor: pointer; }
.btn:hover { background: var(--ink); color: var(--bg); }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #1a1205; }
.btn-gold:hover { background: var(--gold-ink); border-color: var(--gold-ink); color: #fff; }

/* Floor-indicator panel: znak rozpoznawczy */
.indicator { background: var(--panel); color: #cfd8e8; border-radius: 10px; padding: 22px 22px 18px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); }
.indicator-top { display: flex; justify-content: space-between; align-items: baseline; font: 500 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #8d9bb5; }
.indicator-rows { display: grid; gap: 14px; margin-top: 16px; }
.ind-row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: end; border-top: 1px solid rgba(255,255,255,.08); padding-top: 12px; }
.ind-label { font: 500 .9rem/1.3 var(--body); color: #cfd8e8; }
.ind-label small { display: block; font: 400 .75rem/1.3 var(--mono); color: #8d9bb5; letter-spacing: .04em; }
.ind-value { font: 600 2.4rem/1 var(--mono); color: var(--panel-ink); font-variant-numeric: tabular-nums; text-shadow: 0 0 14px rgba(245,195,90,.35); }
.ind-value span { font-size: .9rem; font-weight: 500; color: #c9a65a; margin-left: 4px; }
.indicator-foot { margin-top: 14px; font: 400 .74rem/1.4 var(--mono); color: #8d9bb5; }

/* Sections */
.band { padding-block: clamp(36px, 5vw, 64px); }
.band-alt { background: var(--surface); border-block: 1px solid var(--line); }
.cols-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.cols-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.item h3 { margin-top: 0; }
.item p { color: var(--muted); margin-bottom: .6em; }
.rule { font: 600 .74rem/1 var(--mono); letter-spacing: .1em; color: var(--sky); text-transform: uppercase; display: block; margin-bottom: 10px; }

.article-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.article-list li { margin: 0; border-bottom: 1px solid var(--line); }
.article-list a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; padding: 18px 0; text-decoration: none; color: var(--ink); align-items: baseline; }
.article-list a:hover .t { color: var(--sky); }
.article-list .t { font: 600 1.25rem/1.25 var(--display); }
.article-list .d { display: block; font-size: .95rem; color: var(--muted); margin-top: 4px; font-family: var(--body); font-weight: 400; }
.article-list .m { font: 500 .78rem/1 var(--mono); color: var(--muted); white-space: nowrap; }

/* Product */
.product { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 36px; align-items: start; }
.buybox { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 24px; position: sticky; top: 20px; }
.price { font: 700 2.6rem/1 var(--display); }
.price small { font: 500 .9rem var(--body); color: var(--muted); }
.files { list-style: none; padding: 0; margin: 0 0 1em; }
.files li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); margin: 0; }
.ext { font: 600 .72rem/1 var(--mono); letter-spacing: .06em; text-align: center; padding: 8px 0; border-radius: 4px; background: var(--bg); color: var(--sky); border: 1px solid var(--line); align-self: start; }
.consent { font-size: .85rem; color: var(--muted); display: flex; gap: 10px; align-items: flex-start; margin: 14px 0; }
.consent input { margin-top: 4px; width: 18px; height: 18px; flex: none; }
.btn[aria-disabled="true"] { opacity: .45; pointer-events: none; }

/* Article */
.article { padding-block: 40px 64px; }
.article .meta { font: 500 .8rem/1.5 var(--mono); color: var(--muted); margin-bottom: 1.6rem; }
.article h2 { font-size: 1.75rem; }
.callout { border-left: 4px solid var(--gold); background: var(--surface); padding: 14px 18px; margin: 1.4em 0; border-radius: 0 6px 6px 0; }
.callout p:last-child { margin: 0; }
.disclaimer { font-size: .88rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; margin-top: 2.4em; }
.table-wrap { overflow-x: auto; margin: 1.2em 0 1.6em; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 600 .78rem/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); background: var(--bg); }
tr:last-child td { border-bottom: 0; }
td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.checklist { list-style: none; padding: 0; }
.checklist li { position: relative; padding-left: 30px; }
.checklist li::before { content: ""; position: absolute; left: 0; top: .32em; width: 16px; height: 16px; border: 2px solid var(--gold); border-radius: 3px; }

/* Tool */
.tool { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: clamp(18px, 3vw, 28px); }
.form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.field label { display: block; font: 600 .82rem/1.3 var(--body); margin-bottom: 6px; }
.field input, .field select { width: 100%; min-height: 44px; padding: 8px 10px; font: 400 1rem var(--body); color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; }
.results { margin-top: 22px; display: grid; gap: 10px; }
.res { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 14px; align-items: center; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); }
.res .when { font: 600 1.05rem var(--mono); font-variant-numeric: tabular-nums; }
.pill { font: 600 .74rem/1 var(--mono); padding: 6px 9px; border-radius: 99px; white-space: nowrap; border: 1px solid currentColor; }
.pill.ok { color: var(--ok); } .pill.warn { color: var(--warn); } .pill.bad { color: var(--bad); }

/* Signup */
.signup { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: center; }
.signup form { display: flex; flex-wrap: wrap; gap: 10px; }
.signup input[type="email"] { flex: 1 1 220px; min-height: 46px; padding: 8px 12px; font: 400 1rem var(--body); border: 1px solid var(--line); border-radius: 6px; background: var(--bg); color: var(--ink); }
.form-note { font-size: .82rem; color: var(--muted); flex-basis: 100%; }

/* Footer */
.site-foot { border-top: 1px solid var(--line); padding-block: 32px 40px; font-size: .9rem; color: var(--muted); }
.foot-grid { display: grid; grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr)); gap: 24px; }
.site-foot a { color: var(--muted); }
.site-foot ul { list-style: none; padding: 0; margin: 0; }
.legal-placeholder { background: rgba(185,134,42,.14); outline: 1px dashed var(--gold); padding: 0 3px; border-radius: 3px; }

@media (max-width: 860px) {
  .hero-grid, .product, .signup, .cols-2 { grid-template-columns: minmax(0, 1fr); }
  .cols-3, .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .buybox { position: static; }
  .res { grid-template-columns: minmax(0, 1fr) auto; }
  .res .pill { grid-column: 1 / -1; justify-self: start; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }
@media print { .site-head, .site-foot, .actions, .buybox { display: none; } body { background: #fff; color: #000; } }