:root {
  --bg: #0a0a0a;
  --bg-soft: #111111;
  --panel: #151515;
  --panel-light: #efebe2;
  --text: #f5f1e9;
  --text-dark: #171717;
  --muted: #b4aea4;
  --muted-dark: #5f5a53;
  --line: rgba(255,255,255,.12);
  --gold: #d6a84f;
  --gold-light: #f0d08a;
  --radius: 22px;
  --shadow: 0 25px 80px rgba(0,0,0,.28);
  --container: min(1160px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { color: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  left: 18px;
  top: -60px;
  z-index: 999;
  padding: 10px 14px;
  background: var(--gold-light);
  color: #000;
  border-radius: 10px;
  font-weight: 800;
  transition: top .2s ease;
}
.skip-link:focus { top: 18px; }
.container { width: var(--container); margin-inline: auto; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: linear-gradient(to bottom, rgba(10,10,10,.94), rgba(10,10,10,.68), transparent);
  backdrop-filter: blur(18px);
  transition: border-color .25s ease, background .25s ease;
}
.site-header.scrolled {
  border-color: var(--line);
  background: rgba(10,10,10,.93);
}
.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: inline-flex; text-decoration: none; }
.brand img { width: 250px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .94rem;
  font-weight: 650;
  transition: color .2s ease;
}
.main-nav a:hover, .main-nav a:focus-visible { color: var(--text); }
.main-nav .nav-cta {
  color: #15120c;
  background: var(--gold-light);
  padding: 10px 17px;
  border-radius: 999px;
}
.menu-button { display: none; border: 0; background: transparent; padding: 8px; }
.menu-button span:not(.sr-only) { display: block; width: 26px; height: 2px; margin: 5px 0; background: var(--text); }

.hero {
  min-height: 840px;
  display: grid;
  align-items: center;
  padding: 150px 0 88px;
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 35%, rgba(214,168,79,.10), transparent 28%),
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.05), transparent 22%),
    linear-gradient(180deg, #0a0a0a 0%, #0b0b0b 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 1fr);
  gap: 40px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 18px;
  color: var(--gold-light);
  font-size: .76rem;
  line-height: 1.2;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 850;
}
.hero h1, .section-heading h2, .b2b-copy h2, .contact-card h2 {
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5.5rem);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 820;
}
.hero h1 span {
  color: #d9d3cb;
  opacity: .88;
}
.hero-lead {
  max-width: 720px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--gold-light); color: #15120c; }
.button-primary:hover { background: #f8d998; }
.button-secondary { border-color: var(--line); background: rgba(255,255,255,.03); color: var(--text); }
.button-secondary:hover { border-color: rgba(255,255,255,.35); }
.button-quiet { border-color: transparent; background: transparent; color: var(--muted); min-height: 40px; padding: 8px 16px; }
.button-quiet:hover { color: var(--text); background: rgba(255,255,255,.035); }
.phone-button { letter-spacing: .02em; }
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  padding: 0;
  margin: 34px 0 0;
  list-style: none;
  color: var(--muted);
  font-size: .93rem;
}
.hero-points li { position: relative; padding-left: 18px; }
.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(214,168,79,.12);
}
.hero-mark {
  min-height: 520px;
  display: grid;
  place-items: center;
  position: relative;
}
.hero-mark::before {
  content: "";
  position: absolute;
  width: 72%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(214,168,79,.06);
  filter: blur(45px);
}
.hero-logo-stage {
  width: min(100%, 720px);
  aspect-ratio: 3 / 2;
  display: grid;
  place-items: center;
  position: relative;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  box-shadow: 0 32px 80px rgba(0,0,0,.45);
}
.hero-logo-stage::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240,208,138,.75), transparent);
  box-shadow: 0 0 25px rgba(240,185,90,.45);
}
.hero-logo-stage img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  filter: none;
}

.signal-strip { border-block: 1px solid var(--line); background: #0d0d0d; }
.signal-grid {
  min-height: 78px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: center;
  text-align: center;
  color: #d0cbc3;
  font-size: .82rem;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.signal-grid span + span { border-left: 1px solid var(--line); }

.section { padding: 112px 0; }
.section-heading { max-width: 780px; margin-bottom: 52px; }
.section-heading h2, .b2b-copy h2, .contact-card h2 { font-size: clamp(2.35rem, 4.3vw, 4.2rem); }
.section-heading > p:last-child, .b2b-copy > p, .contact-card > div > p:last-child {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 690px;
  margin: 24px 0 0;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.service-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.018));
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(214,168,79,.45);
  background: linear-gradient(145deg, rgba(214,168,79,.08), rgba(255,255,255,.018));
}
.card-number { color: var(--gold-light); font-size: .76rem; letter-spacing: .18em; font-weight: 850; }
.service-card h3 { margin: 48px 0 12px; font-size: 1.35rem; letter-spacing: -.02em; }
.service-card p { margin: 0; color: var(--muted); }

.section-contrast { background: var(--panel-light); color: var(--text-dark); }
.section-contrast .eyebrow { color: #8a611d; }
.section-contrast .section-heading > p:last-child { color: var(--muted-dark); }
.materials-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 76px; align-items: start; }
.material-list { border-top: 1px solid rgba(0,0,0,.18); }
.material-list > div {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid rgba(0,0,0,.18);
}
.material-list span { color: #9b742e; font-weight: 850; font-size: .76rem; letter-spacing: .12em; }
.material-list strong { font-size: 1.14rem; }
.material-list small { color: var(--muted-dark); text-align: right; }

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.process-grid li {
  padding: 26px;
  border-top: 1px solid rgba(214,168,79,.5);
  background: linear-gradient(180deg, rgba(255,255,255,.035), transparent);
}
.process-grid span { color: var(--gold-light); font-weight: 850; }
.process-grid h3 { margin: 36px 0 12px; font-size: 1.15rem; }
.process-grid p { margin: 0; color: var(--muted); }

.b2b-section {
  background:
    linear-gradient(90deg, rgba(214,168,79,.07), transparent 50%),
    #0d0d0d;
  border-block: 1px solid var(--line);
}
.b2b-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 90px; align-items: center; }
.text-link {
  display: inline-flex;
  gap: 10px;
  margin-top: 28px;
  color: var(--gold-light);
  font-weight: 850;
  text-decoration: none;
}
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }
.check-list { padding: 0; margin: 0; list-style: none; }
.check-list li { position: relative; padding: 17px 0 17px 34px; border-bottom: 1px solid var(--line); color: #ddd7ce; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-light); font-weight: 900; }

.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary {
  position: relative;
  padding: 24px 46px 24px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1.08rem;
  font-weight: 760;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 20px; color: var(--gold-light); font-size: 1.45rem; transition: transform .2s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: -4px 0 24px; color: var(--muted); max-width: 760px; }

.contact-section { padding: 0 0 112px; }
.contact-card {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
  padding: clamp(34px, 6vw, 74px);
  border-radius: 32px;
  background:
    radial-gradient(circle at 90% 20%, rgba(214,168,79,.18), transparent 25%),
    linear-gradient(145deg, #171717, #0e0e0e);
  border: 1px solid rgba(214,168,79,.28);
  box-shadow: var(--shadow);
}
.contact-actions { display: flex; flex-direction: column; gap: 12px; align-items: stretch; }
.contact-note { margin: 4px 0 0; color: var(--muted); text-align: center; font-size: .9rem; }

.site-footer { border-top: 1px solid var(--line); padding: 54px 0 26px; background: #080808; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .9fr .7fr; gap: 50px; }
.footer-grid img { width: 148px; margin-bottom: 16px; }
.footer-grid strong { display: block; margin-bottom: 8px; color: #e5ded3; }
.footer-grid p { margin: 0; color: var(--muted); }
.footer-grid a { text-decoration: none; color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: #8e8981;
  font-size: .82rem;
}

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

:focus-visible { outline: 3px solid rgba(240,208,138,.75); outline-offset: 4px; }

@media (max-width: 980px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-mark { min-height: 380px; order: -1; margin-top: -30px; }
  .hero-logo-stage { width: min(92vw, 520px); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .materials-layout, .b2b-grid, .faq-layout, .contact-card { grid-template-columns: 1fr; gap: 48px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .signal-grid { grid-template-columns: repeat(3, 1fr); padding-block: 12px; }
  .signal-grid span { padding: 12px 8px; }
  .signal-grid span + span { border-left: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  :root { --container: min(100% - 28px, 1160px); }
  .header-inner { min-height: 70px; }
  .brand img { width: 190px; }
  .menu-button { display: block; position: relative; z-index: 2; }
  .main-nav {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    background: rgba(8,8,8,.98);
    transform: translateY(-105%);
    transition: transform .28s ease;
  }
  .main-nav.is-open { transform: translateY(0); }
  .main-nav a { font-size: 1.25rem; }
  .menu-button[aria-expanded="true"] span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .menu-button span { transition: transform .2s ease, opacity .2s ease; }

  .hero { padding: 118px 0 72px; }
  .hero-mark { min-height: 300px; margin-top: -12px; }
  .hero h1 { font-size: clamp(2.8rem, 14vw, 4.6rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-points { flex-direction: column; gap: 10px; }
  .signal-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 36px; }
  .cards-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 220px; }
  .material-list > div { grid-template-columns: 38px 1fr; }
  .material-list small { grid-column: 2; text-align: left; }
  .process-grid { grid-template-columns: 1fr; }
  .contact-section { padding-bottom: 78px; }
  .contact-card { border-radius: 24px; padding: 30px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}


/* V4 — dopracowany układ mobilny i identyfikacja z dokładnie wskazanego logo */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand .brand-symbol {
  width: 44px;
  height: 44px;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
}
.brand .brand-wordmark {
  width: 174px;
  height: auto;
  object-fit: contain;
}
.hero-grid {
  grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr);
  gap: clamp(38px, 5vw, 78px);
}
.hero-logo-stage {
  width: min(100%, 680px);
  aspect-ratio: 3 / 2;
}
.hero-logo-stage img {
  object-fit: cover;
  object-position: center;
}
.hero h1 {
  max-width: 760px;
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { order: 1; }
  .hero-mark {
    order: 2;
    min-height: auto;
    margin-top: 42px;
  }
  .hero-logo-stage { width: min(100%, 720px); }
}

@media (max-width: 760px) {
  .site-header { background: rgba(8,8,8,.96); }
  .header-inner {
    min-height: 66px;
    gap: 10px;
  }
  .brand { gap: 7px; max-width: calc(100% - 58px); }
  .brand .brand-symbol { width: 34px; height: 34px; border-radius: 6px; }
  .brand .brand-wordmark { width: 138px; }
  .menu-button { margin-left: auto; }
  .main-nav {
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-102%);
  }
  .main-nav.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .main-nav .nav-cta {
    padding: 12px 22px;
    min-width: 150px;
    text-align: center;
  }
  .hero {
    padding: 108px 0 64px;
  }
  .hero-copy { order: 1; }
  .hero-mark {
    order: 2;
    margin-top: 34px;
  }
  .hero-logo-stage {
    width: 100%;
    aspect-ratio: 3 / 2;
    border-radius: 20px;
  }
  .hero h1 {
    font-size: clamp(3rem, 14vw, 4.1rem);
    line-height: .94;
    letter-spacing: -.065em;
  }
  .hero-lead {
    margin-top: 24px;
    font-size: 1rem;
    line-height: 1.65;
  }
  .hero-actions { margin-top: 28px; }
  .hero-points { margin-top: 28px; }
  .eyebrow { font-size: .69rem; line-height: 1.45; }
  .signal-grid { font-size: .72rem; }
  .section-heading h2, .b2b-copy h2, .contact-card h2 {
    font-size: clamp(2.15rem, 11vw, 3.2rem);
    line-height: 1.02;
  }
  .footer-grid img { width: 190px; }
}

@media (max-width: 390px) {
  .brand .brand-symbol { display: none; }
  .brand .brand-wordmark { width: 145px; }
  .hero h1 { font-size: 2.82rem; }
  .hero-logo-stage { border-radius: 16px; }
}