/* Układ: ciemna rama (nagłówek + stopka) jak dotąd, jasne przekroje treści,
   akcenty jak na rysunku technicznym – cienkie linie wymiarowe i dane w kolumnach. */
:root {
  --ink: #1f262e;        /* nagłówek, stopka, pasy ciemne */
  --ink-2: #2a333d;      /* linie i karty na ciemnym */
  --paper: #f3f5f7;      /* tło sekcji jasnych */
  --surface: #ffffff;
  --text: #1c252e;
  --muted: #55626e;
  --line: #d6dde3;
  --steel: #0f4c81;      /* akcent główny – przyciski, linki */
  --steel-dark: #0b3a63;
  --sky: #5bb0e6;        /* akcent na ciemnym tle */
  --green: #6b9b2b;      /* łuk z logo – drobne znaczniki */
  --on-ink: #e9eef2;
  --on-ink-muted: #a9b4be;

  --f-display: "Barlow Semi Condensed", "Arial Narrow", Arial, sans-serif;
  --f-body: "Barlow", "Segoe UI", Arial, sans-serif;

  --wrap: 1180px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 4px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }

body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--steel); }
a:hover { color: var(--steel-dark); }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

h1, h2, h3 { font-family: var(--f-display); line-height: 1.1; text-wrap: balance; margin: 0; color: inherit; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.45rem; font-weight: 600; }
p { margin: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.prose { max-width: 66ch; }
.prose p + p { margin-top: 1rem; }

.eyebrow {
  font-family: var(--f-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
  display: flex; align-items: center; gap: 0.7rem;
}
/* znacznik wymiarowy przed etykietą */
.eyebrow::before {
  content: ""; width: 28px; height: 9px; flex-shrink: 0;
  border-left: 2px solid var(--green); border-right: 2px solid var(--green);
  background: linear-gradient(var(--green), var(--green)) center / 100% 2px no-repeat;
}
.on-ink .eyebrow { color: var(--sky); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 48px; padding: 0 1.4rem;
  font-family: var(--f-display); font-size: 1.1rem; font-weight: 600; letter-spacing: 0.02em;
  border-radius: var(--radius); border: 2px solid var(--steel);
  background: var(--steel); color: #fff; text-decoration: none; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:hover { background: var(--steel-dark); border-color: var(--steel-dark); color: #fff; }
.btn--ghost { background: transparent; color: var(--on-ink); border-color: rgba(255,255,255,.55); }
.btn--ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; color: #fff; }
.link-arrow { font-family: var(--f-display); font-weight: 600; font-size: 1.1rem; text-decoration: none; display: inline-flex; gap: .4rem; align-items: center; }
.link-arrow::after { content: "→"; transition: transform .15s; }
.link-arrow:hover::after { transform: translateX(3px); }

/* ---------- nagłówek ---------- */
.topbar { background: var(--ink); color: var(--on-ink-muted); font-size: 0.875rem; border-bottom: 1px solid var(--ink-2); }
.topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 40px; flex-wrap: wrap; }
.topbar strong { color: var(--on-ink); font-weight: 600; }
.topbar ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 1.6rem; flex-wrap: wrap; }
.topbar a { color: var(--on-ink-muted); text-decoration: none; }
.topbar a:hover { color: #fff; }

.site-header { background: var(--ink); position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 84px; }
.logo img { width: 190px; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 2.2rem; }
.nav a {
  color: var(--on-ink); text-decoration: none; font-family: var(--f-display);
  font-size: 1.15rem; font-weight: 500; padding-block: .4rem; border-bottom: 2px solid transparent;
}
.nav a:hover { color: #fff; border-bottom-color: rgba(255,255,255,.4); }
.nav a[aria-current="page"] { color: #fff; border-bottom-color: var(--sky); }
.nav-toggle {
  display: none; background: none; border: 1px solid rgba(255,255,255,.35); color: #fff;
  width: 48px; height: 44px; border-radius: var(--radius); cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 22px; height: 2px; background: currentColor; margin: auto; position: relative; content: "";
}
.nav-toggle span::before { position: absolute; top: -7px; } .nav-toggle span::after { position: absolute; top: 7px; }

@media (max-width: 880px) {
  .topbar { display: none; }
  .site-header .wrap { min-height: 68px; }
  .logo img { width: 150px; }
  .nav-toggle { display: block; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--ink); border-top: 1px solid var(--ink-2); display: none; }
  .nav.is-open { display: block; }
  .nav ul { flex-direction: column; gap: 0; padding: .5rem var(--gutter) 1.2rem; }
  .nav a { display: block; padding: .8rem 0; border-bottom: 1px solid var(--ink-2); }
  .nav a[aria-current="page"] { color: var(--sky); border-bottom-color: var(--ink-2); }
}

/* ---------- hero ---------- */
.hero { position: relative; background: var(--ink) center / cover no-repeat; color: #fff; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(20,26,32,.92) 0%, rgba(20,26,32,.78) 45%, rgba(20,26,32,.35) 100%); }
.hero .wrap { padding-block: clamp(4rem, 10vw, 7.5rem) clamp(3rem, 7vw, 5rem); display: grid; gap: 1.4rem; }
.hero h1 { max-width: 15ch; }
.hero .lead { font-size: clamp(1.1rem, 1.8vw, 1.3rem); color: var(--on-ink); max-width: 52ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .6rem; }

.page-head { background: var(--ink); color: #fff; position: relative; isolation: isolate; background-size: cover; background-position: center; }
.page-head::before { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(20,26,32,.84); }
.page-head .wrap { padding-block: clamp(2.8rem, 6vw, 4.5rem); display: grid; gap: .8rem; }
.page-head p { color: var(--on-ink); max-width: 60ch; font-size: 1.15rem; }

/* pasek technologii pod hero */
.tech-strip { background: var(--ink-2); color: var(--on-ink); }
.tech-strip ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.tech-strip li {
  font-family: var(--f-display); font-size: 1.02rem; font-weight: 500; letter-spacing: .02em;
  padding: .85rem 1.2rem .85rem 0; margin-right: 1.2rem; position: relative;
}
.tech-strip li:not(:last-child)::after { content: ""; position: absolute; right: 0; top: 50%; width: 1px; height: 14px; transform: translateY(-50%); background: #4c5864; }

/* ---------- sekcje ---------- */
.section { padding-block: clamp(3.5rem, 8vw, 6rem); }
.section--paper { background: var(--paper); }
.section--ink { background: var(--ink); color: var(--on-ink); }
.section-head { display: grid; gap: .8rem; margin-bottom: clamp(2rem, 4vw, 3rem); }
.section-head p { color: var(--muted); max-width: 62ch; }
.section--ink .section-head p { color: var(--on-ink-muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: minmax(0, 1fr); } .grid-2 { grid-template-columns: minmax(0, 1fr); } }

.service { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; }
.service img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
.service-body { padding: 1.5rem; display: flex; flex-direction: column; gap: .8rem; flex-grow: 1; }
.service-body p { color: var(--muted); flex-grow: 1; }
.service h3 { color: var(--steel-dark); }

.figure-frame img { width: 100%; border-radius: var(--radius); }
.figure-frame figcaption { font-size: .9rem; color: var(--muted); margin-top: .6rem; }
.section--ink .figure-frame figcaption { color: var(--on-ink-muted); }

.points { list-style: none; margin: 1.6rem 0 0; padding: 0; display: grid; gap: 1rem; }
.points li { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: .8rem; align-items: start; }
.points svg { width: 24px; height: 24px; color: var(--green); margin-top: 3px; }
.points strong { display: block; font-family: var(--f-display); font-size: 1.2rem; font-weight: 600; line-height: 1.25; }
.points span { color: var(--muted); font-size: 1rem; }

/* karta danych realizacji – jak tabliczka rysunkowa */
.spec { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); border-top: 2px solid currentColor; }
.spec dt, .spec dd { padding: .7rem 0; border-bottom: 1px solid var(--line); margin: 0; }
.spec dt { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding-right: 1.6rem; align-self: center; }
.spec dd { font-family: var(--f-display); font-size: 1.2rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.section--ink .spec dt, .section--ink .spec dd { border-color: #3a4550; }
.section--ink .spec dt { color: var(--on-ink-muted); }

.project-card { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: var(--text); }
.project-card img { width: 100%; height: 100%; object-fit: cover; min-height: 260px; }
.project-card .body { padding: clamp(1.5rem, 3vw, 2.5rem); display: flex; flex-direction: column; gap: 1.1rem; }
.project-card p { color: var(--muted); }
@media (max-width: 800px) { .project-card { grid-template-columns: minmax(0, 1fr); } .project-card img { min-height: 0; aspect-ratio: 16/10; } }

/* CTA */
.cta { background: var(--steel); color: #fff; }
.cta .wrap { padding-block: clamp(2.8rem, 6vw, 4rem); display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 2rem; }
.cta h2 { max-width: 20ch; }
.cta-people { display: flex; flex-wrap: wrap; gap: 2.5rem; }
.cta-people div { display: grid; gap: .1rem; }
.cta-people span { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: #cfe3f3; }
.cta-people a { color: #fff; font-family: var(--f-display); font-size: 1.6rem; font-weight: 600; text-decoration: none; font-variant-numeric: tabular-nums; }
.cta-people a:hover { text-decoration: underline; }

/* listy zakresu */
.scope h3 { color: var(--steel-dark); padding-bottom: .6rem; border-bottom: 2px solid var(--steel); margin-bottom: .9rem; }
.scope ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .45rem; }
.scope li { padding-left: 1.2rem; position: relative; }
.scope li::before { content: ""; position: absolute; left: 0; top: .72em; width: 7px; height: 2px; background: var(--green); }

.service-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; scroll-margin-top: 100px; }
.service-detail + .service-detail { margin-top: clamp(3.5rem, 7vw, 5rem); padding-top: clamp(3.5rem, 7vw, 5rem); border-top: 1px solid var(--line); }
.service-detail img { border-radius: var(--radius); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.service-detail .stack h2 { color: var(--steel-dark); }
@media (max-width: 900px) { .service-detail { grid-template-columns: minmax(0, 1fr); } }

/* galeria */
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: .6rem; }
.gallery button { padding: 0; border: 0; background: var(--line); cursor: zoom-in; border-radius: var(--radius); overflow: hidden; }
.gallery img { width: 100%; aspect-ratio: 3/2; object-fit: cover; transition: transform .25s; }
.gallery button:hover img { transform: scale(1.04); }
.lightbox { border: 0; padding: 0; background: transparent; max-width: min(1100px, 94vw); max-height: 94vh; }
.lightbox::backdrop { background: rgba(10,14,18,.9); }
.lightbox img { max-height: 84vh; width: auto; margin: auto; border-radius: var(--radius); }
.lightbox-bar { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin-top: .6rem; color: #fff; font-variant-numeric: tabular-nums; }
.lightbox-bar button { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.3); min-width: 48px; height: 44px; border-radius: var(--radius); font-size: 1.1rem; cursor: pointer; }
.lightbox-bar button:hover { background: rgba(255,255,255,.22); }

/* kontakt */
.contact-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.contact-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; display: grid; gap: 1rem; align-content: start; }
.contact-box h2 { font-size: 1.5rem; display: flex; align-items: center; gap: .7rem; color: var(--steel-dark); }
.contact-box h2 svg { width: 26px; height: 26px; color: var(--steel); flex-shrink: 0; }
.contact-box .person { display: grid; gap: .1rem; }
.contact-box .person strong { font-family: var(--f-display); font-size: 1.2rem; font-weight: 600; }
.contact-box a { text-decoration: none; font-variant-numeric: tabular-nums; }
.contact-box a:hover { text-decoration: underline; }
.contact-box address { font-style: normal; }
.contact-box .reg { font-size: .95rem; color: var(--muted); font-variant-numeric: tabular-nums; }
@media (max-width: 900px) { .contact-cols { grid-template-columns: minmax(0, 1fr); } }

.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.2rem; }
.form .full { grid-column: 1 / -1; }
.field { display: grid; gap: .35rem; }
.field label { font-weight: 600; font-size: .95rem; color: var(--on-ink); }
.field input, .field textarea {
  font: inherit; color: var(--text); background: #fff; border: 1px solid #8996a2; border-radius: var(--radius);
  padding: .75rem .9rem; min-height: 48px; width: 100%;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 3px solid var(--sky); outline-offset: 0; border-color: var(--sky); }
.consent { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: .7rem; align-items: start; font-size: .92rem; color: var(--on-ink-muted); }
.consent input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--sky); }
.consent a { color: var(--sky); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.6em; font-weight: 600; }
.form-status.ok { color: #9fd86b; } .form-status.err { color: #ffb4a6; }
@media (max-width: 640px) { .form { grid-template-columns: minmax(0, 1fr); } }

.map { background: var(--ink-2); min-height: 380px; display: grid; }
.map iframe { width: 100%; height: 420px; border: 0; display: block; }
.map-fallback { display: grid; place-content: center; text-align: center; gap: .8rem; padding: 3rem var(--gutter); color: var(--on-ink); }
.map-fallback a { color: var(--sky); font-family: var(--f-display); font-size: 1.2rem; font-weight: 600; }

/* ---------- stopka ---------- */
.site-footer { background: var(--ink); color: var(--on-ink-muted); font-size: .97rem; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 2.5rem; padding-block: 3.5rem 2.5rem; }
.footer-grid h2 { font-size: 1.7rem; color: #fff; }
.footer-grid h3 { font-family: var(--f-body); font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #8d99a5; margin-bottom: .8rem; }
.footer-grid address { font-style: normal; line-height: 1.6; }
.footer-grid a { color: var(--sky); text-decoration: none; font-variant-numeric: tabular-nums; }
.footer-grid a:hover { text-decoration: underline; }
.footer-grid .person { margin-bottom: .9rem; display: grid; }
.footer-grid .person strong { color: #fff; font-weight: 600; }
.footer-bottom { border-top: 1px solid var(--ink-2); }
.footer-bottom .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6rem 1.5rem; padding-block: 1.2rem; font-size: .88rem; }
.footer-bottom a { color: var(--on-ink-muted); }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 2rem; } }

.legal h2 { font-size: 1.5rem; margin-top: 2.2rem; margin-bottom: .6rem; color: var(--steel-dark); }
.legal ul { padding-left: 1.2rem; }

/* karta realizacji na ciemnym tle zachowuje jasne kolory */
.project-card .spec dt { color: var(--muted); }
.project-card .spec dt, .project-card .spec dd { border-color: var(--line); }