@font-face { font-family: "Inter"; src: url(inter-400.woff) format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter"; src: url(inter-600.woff) format("woff"); font-weight: 500 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url(inter-700.woff) format("woff"); font-weight: 700 800; font-display: swap; }

:root {
  --bg: #eef0f4; --card: #f8f9fb; --white: #ffffff; --ink: #16181d; --text: #3b404b; --muted: #5f6573; --line: #c9ccd4;
  --pkg: #e3e5ea; --blue: #3b3bc4; --red: #c4472b; --green: #12905f; --border: #d4d7de; --wash: #e4e4f8;
  --mono: ui-monospace, "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
  --pad: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 Inter, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--blue); }
img { max-width: 100%; display: block; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 var(--pad); }

/* nagłówek */
.top { position: sticky; top: 0; z-index: 5; background: rgba(238, 240, 244, .94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.top .wrap { display: flex; align-items: center; gap: 20px; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand svg { width: 30px; height: 30px; }
.top nav { display: flex; gap: 18px; margin-left: auto; font-size: 14px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--ink); }
.lang { font: 600 13px var(--mono); color: var(--ink); text-decoration: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; background: var(--white); }

/* hero */
.hero { padding: 56px 0 8px; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
.eyebrow { font: 600 13px var(--mono); color: var(--blue); letter-spacing: .04em; margin: 0 0 12px; }
h1 { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.08; letter-spacing: -.025em; margin: 0 0 18px; max-width: 20ch; font-weight: 700; }
.lead { font-size: clamp(17px, 1.9vw, 20px); color: var(--text); max-width: 62ch; margin: 0 0 24px; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 15px Inter, sans-serif; text-decoration: none; border-radius: 10px; padding: 12px 18px; min-height: 46px; border: 1px solid var(--ink); }
.btn.primary { background: var(--ink); color: var(--white); }
.btn.ghost { color: var(--ink); background: var(--white); border-color: var(--line); }
.legend3 { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 22px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--muted); }
.legend3 li { display: flex; align-items: center; gap: 8px; }

.lamp { display: inline-block; width: 14px; height: 14px; border-radius: 50%; border: 3px solid var(--ink); background: var(--white); flex: none; }
.lamp.active { border-color: var(--blue); }
.lamp.approved { border-color: var(--green); background: radial-gradient(circle, var(--green) 0 40%, var(--white) 45%); }
.lamp.sent_back { border-color: var(--red); background: radial-gradient(circle, var(--red) 0 40%, var(--white) 45%); }

.shot { margin: 32px 0 0; border-radius: 16px; overflow: hidden; border: 1px solid var(--border); background: var(--card); box-shadow: 0 18px 50px -24px rgba(22, 24, 29, .35); }
.shot img { width: 100%; height: auto; }
.shot figcaption, .gallery figcaption { font-size: 13px; color: var(--muted); padding: 10px 14px; border-top: 1px solid var(--border); background: var(--white); }

/* sekcje */
section.blk { padding: 60px 0; }
section.blk.alt { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
h2 { font-size: clamp(24px, 3.2vw, 34px); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 12px; max-width: 26ch; }
.intro { color: var(--text); max-width: 64ch; margin: 0 0 26px; font-size: 17px; }
.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.alt .card { background: var(--bg); }
.card h3 { margin: 0 0 6px; font-size: 17px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--text); font-size: 15px; }
.card .k { display: inline-block; font: 600 12px var(--mono); color: var(--blue); margin-bottom: 8px; }

/* wynik wykonawcy */
.term { max-width: 640px; margin: 22px 0 0; background: #16181d; color: #e8e9ee; border-radius: 14px; padding: 16px 18px; font: 13px/1.6 var(--mono); overflow-x: auto; }
.term .ok { color: #3fcf8e; } .term .no { color: #f07a5a; } .term .dim { color: #8b90a0; } .term .cmd { color: #fff; }
.term pre { margin: 0; font: inherit; white-space: pre; }
.cap { font-size: 13px; color: var(--muted); margin: 8px 0 0; }

/* liczby */
.stat { display: grid; grid-template-columns: auto 1fr; gap: 10px 28px; align-items: center; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 22px; }
.stat .num { font-size: clamp(30px, 5vw, 46px); font-weight: 700; letter-spacing: -.02em; line-height: 1.05; white-space: nowrap; }
.stat .num small { display: block; font-size: 15px; font-weight: 600; color: var(--green); letter-spacing: 0; margin-top: 6px; }
.stat p { margin: 0; color: var(--text); font-size: 15px; }
.stat .note { grid-column: 1 / -1; font-size: 14px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 12px; }

/* galeria */
.gallery { display: grid; gap: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
.gallery figure { margin: 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--border); background: var(--card); }
.gallery figure img { width: 100%; height: auto; }
.gallery .phone { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px; background: var(--pkg); align-items: start; }
.gallery .phone img { border-radius: 14px; border: 1px solid var(--border); }

/* lista pozostałych */
details.wide-open > summary { list-style: none; cursor: pointer; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
details.wide-open > summary::-webkit-details-marker { display: none; }
details.wide-open > summary::after { content: "+"; font: 600 22px var(--mono); color: var(--muted); }
details.wide-open[open] > summary::after { content: "−"; }
details.wide-open > summary h2 { margin: 0 0 12px; }
.more-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0 28px; margin: 0; padding: 0; list-style: none; }
.more-list li { padding: 12px 0; border-top: 1px solid var(--border); font-size: 15px; color: var(--text); }
.more-list b { color: var(--ink); display: block; }
.next { margin: 22px 0 0; font-size: 15px; color: var(--text); background: var(--wash); border-radius: 12px; padding: 12px 16px; }
.next b { color: var(--blue); }

/* przykład */
.demo { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px; }
.dbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.dbar button, .decide button, .more { font: 600 14px Inter, sans-serif; color: var(--ink); background: var(--white); border: 1px solid var(--border); border-radius: 9px; padding: 9px 14px; cursor: pointer; min-height: 42px; }
.dbar .play { background: var(--ink); color: var(--white); border-color: var(--ink); min-width: 7.5em; }
.dbar .legend3 { margin: 0 0 0 auto; font-size: 13px; }
.stages { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.stage { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 12px 10px; min-width: 0; }
.stage h4 { margin: 0 0 10px; font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; display: flex; gap: 6px; align-items: center; }
.stage h4 span { font: 600 11px var(--mono); color: var(--muted); border: 1px solid var(--border); border-radius: 5px; padding: 0 5px; }
.dn { display: flex; align-items: center; gap: 9px; width: 100%; background: none; border: 0; padding: 5px 2px; cursor: pointer; text-align: left; font: 600 14px/1.25 Inter, sans-serif; color: var(--ink); border-radius: 8px; }
.dn:hover { background: var(--bg); }
.dn .ring { width: 22px; height: 22px; flex: none; border-radius: 50%; border: 3px solid var(--ink); background: var(--white); display: grid; place-items: center; position: relative; transition: border-color .3s; }
.dn .ring i { width: 8px; height: 8px; border-radius: 50%; background: transparent; transition: background .3s; }
.dn .nl { min-width: 0; overflow-wrap: break-word; hyphens: auto; }
.dn .nl em { display: block; font-style: normal; font-size: 12px; color: var(--blue); font-weight: 600; }
.dn.active .ring { border-color: var(--blue); }
.dn.active .ring::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid var(--blue); animation: halo 1.4s ease-out infinite; }
.dn.approved .ring { border-color: var(--green); } .dn.approved .ring i { background: var(--green); }
.dn.sent_back .ring { border-color: var(--red); } .dn.sent_back .ring i { background: var(--red); }
.dn.sel { background: var(--wash); }
.dn.small { font-weight: 500; font-size: 13px; color: var(--muted); padding-left: 16px; }
.dn.small .ring, .dn.pill .ring { width: 18px; height: 18px; }
.dn.pill { font-weight: 500; font-size: 13px; }
.dn.human { margin-top: 6px; border-top: 1px dashed var(--border); border-radius: 0; padding-top: 10px; }
.loop { display: flex; flex-direction: column; }
.arc { color: var(--muted); font-size: 14px; padding-left: 6px; line-height: 1; }
.meta { margin: 6px 0 0; font: 12px/1.45 var(--mono); color: var(--muted); }
.meta .sep { display: none; }
.lane { border-left: 2px solid var(--pkg); margin: 0 0 6px 10px; padding-left: 4px; }
.fixrow { border-top: 1px dashed var(--border); margin-top: 6px; padding-top: 4px; }
@keyframes halo { 0% { transform: scale(.8); opacity: .8; } 100% { transform: scale(1.6); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .dn.active .ring::after { animation: none; opacity: .4; } }
.info { font-size: 14px; color: var(--text); margin: 12px 2px 0; min-height: 1.5em; }
.under { display: grid; grid-template-columns: 1.2fr 1fr; gap: 12px; margin-top: 12px; align-items: start; }
.panel { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.panel h5, .evbox summary { margin: 0; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.evbox summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; min-height: 24px; }
.evbox summary::-webkit-details-marker { display: none; }
.evbox summary::after { content: "+"; font: 600 16px var(--mono); }
.evbox[open] summary::after { content: "−"; }
.evbox[open] summary { margin-bottom: 8px; }
.evs { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.evs li { display: flex; gap: 8px; align-items: baseline; padding: 4px 0; border-bottom: 1px solid var(--bg); flex-wrap: wrap; }
.evs li .lamp { width: 11px; height: 11px; border-width: 2px; transform: translateY(1px); }
.mut { color: var(--muted); }
.more { margin-top: 8px; min-height: 34px; padding: 5px 12px; font-size: 13px; }
.decide { border-color: var(--blue); }
.decide h5 { margin-bottom: 8px; }
.decide p { margin: 0 0 8px; font-size: 14px; }
.decide textarea { width: 100%; font: 16px Inter, sans-serif; border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; resize: vertical; min-height: 44px; }
.dbtns .row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.decide .ok { background: var(--green); color: var(--white); border-color: var(--green); }
.decide .back { color: var(--blue); border-color: var(--blue); }
.dres { font-weight: 600; margin: 0 !important; }
.dres:empty { display: none; }
.fine { font-size: 13px; color: var(--muted); margin: 10px 0 0; }

/* kontakt i stopka */
footer { border-top: 1px solid var(--border); padding: 24px 0 36px; font-size: 14px; color: var(--muted); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 10px 24px; align-items: center; }
footer a { color: var(--ink); font-weight: 700; text-decoration: none; }

/* szeroki ekran: hero w dwóch kolumnach nie jest potrzebny, diagram pod tekstem */
@media (max-width: 980px) {
  .stages { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .top nav { display: none; }
  .lang { margin-left: auto; }
}

/* telefon */
@media (max-width: 640px) {
  :root { --pad: 16px; }
  body { font-size: 15px; }
  .hero { padding: 26px 0 0; }
  h1 { font-size: 29px; margin-bottom: 12px; }
  .lead { font-size: 16px; margin-bottom: 18px; }
  .cta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .btn { padding: 10px 8px; font-size: 14px; text-align: center; }
  .btn.ghost { background: var(--white); border-color: var(--ink); }
  .legend3 { margin-top: 16px; gap: 4px 14px; font-size: 13px; }
  .shot { margin: 18px auto 0; max-width: 230px; border-radius: 20px; }
  .hero .legend3 { display: none; }
  .shot figcaption { font-size: 12px; padding: 8px 12px; }
  section.blk { padding: 30px 0; }
  h2 { font-size: 23px; }
  .intro { font-size: 15px; margin-bottom: 16px; }
  /* karty i galeria: poziome przewijanie zamiast ściany kart */
  .swipe { display: flex; gap: 10px; overflow-x: auto; scroll-snap-type: x mandatory; margin: 0 calc(-1 * var(--pad)); padding: 2px var(--pad) 10px; scrollbar-width: none; }
  .swipe::-webkit-scrollbar { display: none; }
  .swipe > * { flex: 0 0 84%; scroll-snap-align: start; scroll-margin-left: var(--pad); }
  .card { padding: 15px; }
  .card p { font-size: 14px; }
  .term { font-size: 11.5px; padding: 12px; margin-top: 16px; }
  .stat { grid-template-columns: 1fr; padding: 16px; gap: 8px; }
  .gallery.swipe { align-items: flex-start; }
  .gallery.swipe > * { flex-basis: 88%; }
  .more-list { grid-template-columns: 1fr; }
  .more-list li { padding: 9px 0; font-size: 14px; }
  .more-list b { display: inline; }
  .more-list b::after { content: " "; }
  /* przykład */
  .demo { padding: 12px; }
  .dbar .legend3 { display: none; }
  .dbar button { flex: 1 1 auto; padding: 8px 8px; font-size: 13.5px; white-space: nowrap; min-width: 0; }
  .dbar .play { min-width: 0; }
  .stages { display: flex; flex-direction: column; gap: 6px; }
  .stage { display: flex; flex-wrap: wrap; align-items: center; gap: 0 2px; padding: 3px 6px; }
  .stage h4 { flex: 0 0 82px; margin: 0 0 0 2px; font-size: 10.5px; letter-spacing: .04em; }
  .stage h4 span { display: none; }
  .loop, .pills, .lane, .fixrow { display: contents; }
  .arc { padding: 0 1px; }
  .lane .dn.small { padding-left: 0; margin-right: 8px; }
  .lane .dn.small .nl { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .dn { width: auto; padding: 3px 5px; min-height: 32px; font-size: 13.5px; gap: 6px; }
  .dn.pill, .dn.small { font-size: 13px; }
  .dn .ring { width: 18px; height: 18px; border-width: 2.5px; }
  .dn.small .ring, .dn.pill .ring { width: 16px; height: 16px; }
  .dn.human { margin: 0; padding-top: 3px; border-top: 0; border-radius: 8px; }
  .meta { flex: 0 0 100%; margin: 0 0 3px; padding-left: 86px; font-size: 11px; }
  .meta br { display: none; }
  .meta .sep { display: inline; }
  .info { margin-top: 8px; font-size: 13px; }
  .under { grid-template-columns: 1fr; }
}