:root {
  --orange:      #F05214;
  --orange-deep: #E84A10;
  --dark:        #1A1C22;
  --dark-2:      #23262F;
  --dark-3:      #2C303A;
  --bg:          #EDEEF0;   /* jasne podłoże strony — 3% ciemniej niż wyjściowe #F4F5F7 */
  --hero-bg:     #DFE0E2;   /* podłoże hero — 8%, zgodne z podłożem rysunku */
  --surface:     #FFFFFF;
  --text:        #20222A;
  --text-2:      #4A4E59;
  --muted:       #8A8E99;
  --line:        #E4E6EA;
  --line-dark:   rgba(255,255,255,.10);
  --light:       #E8EAEE;

  --font-head: 'Oswald', 'Barlow Condensed', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --ls-wide:  0.12em;
  --ls-wider: 0.18em;

  --maxw: 1240px;
  --pad: 1.5rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id], header[id] { scroll-margin-top: 80px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
  .tm:hover .tm-photo img { transform: none; }
}
body { font-family: var(--font-body); font-size: 1rem; color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.maxw { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

/* ---------- Type ---------- */
.eyebrow { font-size: .72rem; font-weight: 600; color: var(--orange); letter-spacing: var(--ls-wider); text-transform: uppercase; display: inline-block; margin-bottom: .9rem; }
.eyebrow.on-dark { color: var(--orange); }
h2.title { font-family: var(--font-head); font-weight: 600; font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.1; text-transform: uppercase; letter-spacing: .01em; }
.title .thin { font-weight: 300; }
.lead { color: var(--text-2); font-size: 1.05rem; max-width: 60ch; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .55rem; font-family: var(--font-body); font-size: .82rem; font-weight: 600; letter-spacing: var(--ls-wide); text-transform: uppercase; padding: .95rem 1.7rem; border: 2px solid transparent; cursor: pointer; transition: all .22s ease; }
.btn .arrow { transition: transform .22s ease; }
.btn:hover .arrow { transform: translateX(4px); }
.btn-primary { background: var(--orange); color: #fff; }
.btn-primary:hover { background: var(--orange-deep); }
.btn-dark { background: var(--dark); color: #fff; }
.btn-dark:hover { background: #000; }
.btn-outline { border-color: var(--dark); color: var(--text); background: transparent; }
.btn-outline:hover { background: var(--dark); color: #fff; }
.btn-outline-light { border-color: rgba(255,255,255,.5); color: #fff; background: transparent; }
.btn-outline-light:hover { background: #fff; color: var(--dark); border-color: #fff; }
.btn-white { background: #fff; color: var(--dark); }
.btn-white:hover { background: var(--dark); color: #fff; }

/* ---------- Nav (przezroczysty -> jasne szkło przy scrollu) ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: transparent; backdrop-filter: blur(0); -webkit-backdrop-filter: blur(0); transition: background .3s ease, backdrop-filter .3s ease, box-shadow .3s ease; }
/* Krycie 72% to minimum, przy którym ciemne linki pozostają czytelne, gdy pasek
   przesuwa się nad ciemną sekcją kontaktu (próg 4,5:1 wypada przy 48%). */
.nav.scrolled { background: rgba(255,255,255,.72); backdrop-filter: blur(14px) saturate(1.2); -webkit-backdrop-filter: blur(14px) saturate(1.2); border-bottom: 1px solid rgba(255,255,255,.9); box-shadow: 0 10px 30px -18px rgba(26,28,34,.4); }
/* Pasek jest jasny w obu stanach, więc elementy są ciemne przez cały czas. */
.nav .nav-link { color: var(--text); }
.nav .menu-toggle span { background: var(--text); }
.nav .nav-link:hover { color: var(--orange) !important; }
.nav .maxw { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; }
.brand .logo { height: 34px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-link { font-size: .85rem; font-weight: 500; color: var(--text); position: relative; }
.nav-link:hover { color: var(--orange); }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; }
.menu-toggle span { width: 26px; height: 2px; background: var(--text); }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--hero-bg); color: var(--text); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; background-image: url('../img/hero/hero-light-dim.webp'); background-size: cover; background-position: center right; }
/* Dwie powłoki: róg z menu i kolumna tekstu. Ton zgodny z przyciemnionym podłożem
   rysunku, żeby powłoka nie robiła jaśniejszej plamy. Rysunek zostaje w pełnej
   sile po prawej i na dole, gdzie nic na nim nie leży. */
.hero__bg::after { content: ""; position: absolute; inset: 0; background:
  radial-gradient(110% 80% at 100% 0%, rgba(223,224,226,.96) 0%, rgba(223,224,226,.62) 30%, rgba(223,224,226,0) 60%),
  linear-gradient(90deg, rgba(223,224,226,.97) 0%, rgba(223,224,226,.92) 30%, rgba(223,224,226,.55) 48%, rgba(223,224,226,0) 66%); }
.hero .maxw { position: relative; z-index: 1; padding-top: 5.5rem; padding-bottom: 4rem; display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: center; }
.hero-eyebrow { color: var(--orange); }
.hero-title { font-family: var(--font-head); font-weight: 600; font-size: clamp(2.4rem, 5vw, 4.4rem); line-height: 1.02; text-transform: uppercase; letter-spacing: .005em; }
.hero-title .o { color: var(--orange); }
.hero-sub { margin-top: 1.4rem; font-size: 1.12rem; color: var(--text-2); max-width: 50ch; }
.hero-actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-trust { margin-top: 2.4rem; display: flex; gap: 2rem; flex-wrap: wrap; color: var(--text-2); font-size: .85rem; }
.hero-trust b { color: var(--text); font-family: var(--font-head); font-weight: 600; }
/* hero overlay service cards */

/* ---------- Stat strip ---------- */
.stat-strip { background: var(--orange); }
.stat-strip .maxw { display: grid; grid-template-columns: repeat(4,1fr); }
.sstat { padding: 1.9rem var(--pad); color: #fff; border-left: 1px solid rgba(255,255,255,.22); }
.sstat:first-child { border-left: 0; }
.sstat .n { font-family: var(--font-head); font-weight: 700; font-size: clamp(2rem,3.5vw,2.8rem); line-height: 1; }
.sstat .l { font-size: .8rem; letter-spacing: var(--ls-wide); text-transform: uppercase; opacity: .9; margin-top: .25rem; }


/* ---------- Section base ---------- */
.section { padding: 5.5rem 0; }
.section.dark { background: var(--dark); color: #fff; }
.section-head { margin-bottom: 3rem; }

.feature-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--orange); flex: none; }

/* ---------- Services cards ---------- */
.services { background: var(--bg); }
.services-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1.2rem; }
.svc-card { border: 1px solid var(--line); background: var(--surface); padding: 1.8rem; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; position: relative; overflow: hidden; }
.svc-card::before { content: ""; position: absolute; left: 0; top: 0; width: 4px; height: 0; background: var(--orange); transition: height .3s ease; }
.svc-card:hover { transform: translateY(-5px); box-shadow: 0 22px 40px -22px rgba(0,0,0,.3); border-color: transparent; }
.svc-card:hover::before { height: 100%; }
.svc-ico { width: 54px; height: 54px; background: var(--bg); color: var(--orange); display: grid; place-items: center; margin-bottom: 1.1rem; transition: background .25s ease, color .25s ease; }
/* ikona jako maska PNG — kolor bierze z currentColor, więc na hover robi się biała */
.svc-glyph { display: block; width: 26px; height: 26px; background-color: currentColor;
  -webkit-mask-image: var(--ico); mask-image: var(--ico);
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-position: center; mask-position: center;
  -webkit-mask-size: contain; mask-size: contain; }
.ico-01 { --ico: url('../img/icons/01-mapy.png'); }
.ico-02 { --ico: url('../img/icons/02-podzialy.png'); }
.ico-03 { --ico: url('../img/icons/03-kolej.png'); }
.ico-04 { --ico: url('../img/icons/04-lotnicze.png'); }
.ico-05 { --ico: url('../img/icons/05-nmt.png'); }
.ico-06 { --ico: url('../img/icons/06-stabilizacja.png'); }
.ico-08 { --ico: url('../img/icons/08-skanowanie.png'); }
.ico-09 { --ico: url('../img/icons/09-inwestycje.png'); }
.svc-card:hover .svc-ico { background: var(--orange); color: #fff; }
.svc-num { position: absolute; top: 1.2rem; right: 1.3rem; z-index: 1; font-family: var(--font-head); font-weight: 700; font-size: 1.1rem; color: var(--muted); }
.svc-card h3 { font-family: var(--font-head); font-weight: 500; font-size: 1.18rem; line-height: 1.2; text-transform: uppercase; letter-spacing: .01em; margin-bottom: .5rem; }
.svc-card p { font-size: .88rem; color: var(--text-2); }
/* motyw graficzny jako <img>: wysokość = wysokość karty, przy prawej krawędzi */
.svc-art { position: absolute; top: 0; right: 0; height: 100%; width: auto; z-index: 0; pointer-events: none; user-select: none; opacity: .5; transition: opacity .25s ease;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,.35) 45%, #000 100%);
  mask-image: linear-gradient(to right, transparent 0%, rgba(0,0,0,.35) 45%, #000 100%); }
.svc-card:hover .svc-art { opacity: .75; }
.svc-card .svc-ico, .svc-card h3, .svc-card p { position: relative; z-index: 1; }
.svc-card .svc-num { z-index: 1; }  /* absolutny z .svc-num — tylko warstwa */
.svc-card.has-bg .svc-ico { background: rgba(255,255,255,.82); backdrop-filter: blur(2px); border: 1px solid var(--line); }
.svc-card.has-bg:hover .svc-ico { background: var(--orange); }

/* ---------- Clients ---------- */
.clients { background: var(--surface); overflow-x: clip; }
/* One band: label on the left, a single row of logos drifting left to right. */
.clients-band { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; border-block: 1px solid var(--line);
  /* stretch the top/bottom rules to the edges of the screen; the section clips the overflow */
  border-image: linear-gradient(var(--line) 0 0) 1 / 1px 0 / 0 100vw; }
.clients-label { margin: 0; padding-right: 2rem; align-self: stretch; display: flex; align-items: center; border-right: 1px solid var(--line); white-space: nowrap; }
.clients-list { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); list-style: none; }
.client-logo { height: 126px; display: flex; align-items: center; justify-content: center; padding: 20px; }
/* Optical crop: preserve original files and proportions, hide screenshot margins. */
.client-logo__crop { position: relative; display: block; overflow: hidden; flex: none; width: var(--logo-width); max-width: 100%; aspect-ratio: var(--logo-ratio); filter: var(--logo-cleanup, none); opacity: 1; }
/* Full colour at all times; retain only the per-logo background cleanup. */
.client-logo img { position: absolute; width: var(--image-width); max-width: none; height: auto; left: var(--image-left); top: var(--image-top); }
.clients.is-enhanced .clients-row { overflow: hidden; mask-image: linear-gradient(to right, transparent, #000 6%, #000 94%, transparent); }
.clients.is-enhanced .clients-track { display: flex; width: max-content; animation: clients-drift 140s linear infinite; }
.clients.is-enhanced .clients-list { display: flex; flex: none; }
.clients.is-enhanced .client-logo { flex: 0 0 220px; width: 220px; }
.clients-rows:hover .clients-track, .clients-rows:focus-within .clients-track { animation-play-state: paused; }
@keyframes clients-drift { from { transform: translateX(-50%); } to { transform: translateX(0); } }
@media (max-width: 560px) {
  .clients-band { grid-template-columns: minmax(0, 1fr); }
  .clients-label { padding: 1rem 0 0; border-right: 0; }
  .clients-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .client-logo { height: 112px; padding: 18px 12px; }
  .clients.is-enhanced .client-logo { flex-basis: 190px; width: 190px; }
}
@media (prefers-reduced-motion: reduce) {
  .clients.is-enhanced .clients-list[aria-hidden="true"] { display: none; }
  .clients.is-enhanced .clients-row { mask-image: none; }
  .clients.is-enhanced .clients-track { display: block; width: auto; transform: none; }
  .clients.is-enhanced .clients-list:not([aria-hidden="true"]) { display: grid; }
  .clients.is-enhanced .client-logo { width: auto; border: 0; }
}

/* ---------- Orange CTA ---------- */
.cta-orange { background: var(--orange-deep); color: #fff; }
.cta-orange .maxw { padding-top: 3.4rem; padding-bottom: 3.4rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-orange h3 { font-family: var(--font-head); font-weight: 600; font-size: clamp(1.6rem,3vw,2.3rem); text-transform: uppercase; line-height: 1.1; max-width: 22ch; }
.cta-orange p { color: rgba(255,255,255,.85); margin-top: .5rem; }

/* ---------- Projects ---------- */
.projects { background: var(--bg); }
.projects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.4rem; }
.prj { background: var(--surface); border: 1px solid var(--line); overflow: hidden; display: flex; flex-direction: column; transition: transform .25s ease, box-shadow .25s ease; }
.prj:hover { transform: translateY(-5px); box-shadow: 0 24px 44px -24px rgba(0,0,0,.32); }
.prj-media { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--dark); }
.prj-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.prj:hover .prj-media img { transform: scale(1.06); }
.prj-cat { position: absolute; top: 0; left: 0; background: var(--orange); color: #fff; font-size: .7rem; font-weight: 600; letter-spacing: var(--ls-wide); text-transform: uppercase; padding: .4rem .8rem; }
.prj-body { padding: 1.5rem; display: flex; flex-direction: column; gap: .7rem; flex: 1; }
.prj-body h3 { font-family: var(--font-head); font-weight: 500; font-size: 1.18rem; line-height: 1.18; text-transform: uppercase; letter-spacing: .01em; }
.prj-scope { display: flex; flex-direction: column; gap: .35rem; margin-top: auto; }
.prj-scope .ps { display: flex; align-items: center; gap: .55rem; font-size: .82rem; color: var(--text-2); }
.prj-scope .ps .feature-dot { width: 7px; height: 7px; }

/* ---------- Team ---------- */
.team { background: var(--surface); }
.team-grid { display: grid; grid-template-columns: repeat(6,1fr); gap: 1rem; }
.tm { border: 1px solid var(--line); background: var(--surface); text-align: center; padding: 1.4rem 1rem; transition: border-color .25s ease, transform .25s ease; }
.tm:hover { border-color: var(--orange); transform: translateY(-4px); }
.tm-photo { width: 84px; height: 84px; margin: 0 auto .9rem; overflow: hidden; border-radius: 50%; background: var(--bg); border: 3px solid var(--line); }
.tm:hover .tm-photo { border-color: var(--orange); }
.tm-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.tm:hover .tm-photo img { transform: scale(1.05); }
.tm-name { font-family: var(--font-head); font-weight: 600; font-size: 1.02rem; text-transform: uppercase; letter-spacing: .01em; }
.tm-role { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: var(--ls-wide); margin-top: .15rem; }
.tm.owner { grid-column: span 2; background: var(--dark); border-color: var(--dark); }
.tm.owner .tm-photo { width: 100px; height: 100px; border-color: var(--orange); }
.tm.owner .tm-name { color: #fff; }
.tm.owner .tm-role { color: var(--orange); }

/* ---------- Contact (mapa w tle + panel po prawej) ---------- */
.contact { position: relative; background: var(--dark); padding: 0; overflow: hidden; }
.contact-map { position: absolute; inset: 0; z-index: 0; }
.contact-map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(1) contrast(1.05) brightness(1.03); }
.contact-map::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(26,28,34,.78) 0%, rgba(26,28,34,.35) 55%, rgba(26,28,34,.20) 100%); }
.contact-wrap { position: relative; z-index: 2; min-height: 640px; display: flex; align-items: center; justify-content: flex-start; padding: 5rem var(--pad); pointer-events: none; }
.contact-panel { width: 100%; max-width: 470px; background: var(--dark); color: #fff; padding: 2.8rem; box-shadow: 0 36px 70px -28px rgba(0,0,0,.65); pointer-events: auto; }
.contact-panel .eyebrow { color: var(--orange); }
.contact-panel .title { color: #fff; margin-bottom: .7rem; }
.contact-panel .lead { color: #c7cad2; margin-bottom: 1.4rem; }
.cpi { display: flex; gap: 1rem; align-items: flex-start; padding: .85rem 0; border-top: 1px solid var(--line-dark); }
.cpi:first-of-type { border-top: 0; padding-top: .2rem; }
.cpi-ico { flex: none; width: 44px; height: 44px; background: rgba(240,82,20,.14); color: var(--orange); display: grid; place-items: center; font-size: 1.05rem; }
.cpi-label { font-size: .7rem; text-transform: uppercase; letter-spacing: var(--ls-wide); color: var(--muted); }
.cpi-val { font-family: var(--font-head); font-weight: 500; font-size: 1.05rem; line-height: 1.4; }
.cpi-val a:hover { color: var(--orange); }

/* ---------- Footer ---------- */
.footer { background: var(--dark); color: #aeb2bc; padding: 4rem 0 0; }
.footer-top { display: grid; grid-template-columns: 1fr auto; gap: 2.5rem; padding-bottom: 2.8rem; border-bottom: 1px solid var(--line-dark); }
.footer-brand p { margin: 1rem 0; font-size: .9rem; max-width: 34ch; }
.footer-col h5 { font-family: var(--font-head); font-weight: 600; font-size: .95rem; text-transform: uppercase; letter-spacing: var(--ls-wide); color: #fff; margin-bottom: 1.1rem; }
.footer-col a, .footer-col p { display: block; font-size: .9rem; margin-bottom: .55rem; }
.footer-col a:hover { color: var(--orange); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; padding: 1.6rem 0; font-size: .82rem; color: var(--muted); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .services-grid { grid-template-columns: repeat(2,1fr); }
  .projects-grid { grid-template-columns: repeat(2,1fr); }
  .team-grid { grid-template-columns: repeat(4,1fr); }
}
@media (max-width: 880px) {
  .menu-toggle { display: flex; }
  .nav-links { position: absolute; top: 76px; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0; background: rgba(26,28,34,.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,.08); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .25s ease; }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links .nav-link { width: 100%; padding: 1rem var(--pad); border-top: 1px solid rgba(255,255,255,.08); color: #fff !important; }
  .hero .maxw { grid-template-columns: 1fr; gap: 2.5rem; }
  .stat-strip .maxw { grid-template-columns: repeat(2,1fr); }
  .sstat:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.22); }
  .sstat:nth-child(odd) { border-left: 0; }
  .contact-wrap { justify-content: center; min-height: 0; padding-top: 3.5rem; padding-bottom: 3.5rem; }
  .contact-map { display: none; }
  .contact { background: var(--dark); }
}
@media (max-width: 560px) {
  .services-grid, .projects-grid { grid-template-columns: 1fr; }
  .contact-panel { padding: 2rem 1.5rem; }
  .cpi-val { font-size: 1rem; }
  .team-grid { grid-template-columns: repeat(2,1fr); }
  .tm.owner { grid-column: span 2; }
  .footer-top { grid-template-columns: 1fr; }
}