/* ==========================================================================
   LCM WILBIK — Modułowy System Stylów (Miro "Frame 1" + 3 Koncepcje Graficzne)
   Paleta z Miro:
   - #4A4A4A (Grafit konstrukcyjny)
   - #CBCBCB (Jasny beton / szarość)
   - #FFFFE3 (Ciepła kość słoniowa / krem)
   - #6D8196 (Stalowy błękit łupkowy)
   ========================================================================== */

:root {
  --c-graphite: #4A4A4A;
  --c-graphite-deep: #2B2B2B;
  --c-grey: #CBCBCB;
  --c-grey-soft: #E6E5E2;
  --c-surface-muted: #F5F4F1;
  --c-ivory: #FFFFE3;
  --c-ivory-soft: #FAF9EE;
  --c-slate: #6D8196;
  --c-slate-dark: #526478;
  --c-slate-light: #E8EEF3;
  --c-white: #FFFFFF;
  --c-ink: #222222;
  --c-ink-muted: #595959;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --radius-pill: 999px;

  --container-max: 1360px;
  --transition: 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--c-ink);
  background-color: var(--c-surface-muted);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: min(var(--container-max), calc(100% - 48px));
  margin-inline: auto;
}

/* Modern Web Guidance: defer-rendering-heavy-content (tylko pod linią zanurzenia) */
.cv-defer {
  content-visibility: auto;
  contain-intrinsic-size: auto none auto 650px;
}

/* ==========================================================================
   PASEK WYBORU KONCEPCJI GRAFICZNEJ (Top Concept Switcher)
   ========================================================================== */
.concept-switcher {
  position: sticky;
  top: 0;
  z-index: 1200;
  background: #232528;
  color: var(--c-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
}

.concept-switcher__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
  flex-wrap: wrap;
}

.concept-switcher__label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-grey);
}

.concept-switcher__badge {
  background: var(--c-ivory);
  color: var(--c-graphite-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.concept-switcher__tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.concept-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  color: #E2E2E2;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.concept-tab:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--c-white);
}

.concept-tab.is-active {
  background: var(--c-ivory);
  color: var(--c-graphite-deep);
  border-color: var(--c-ivory);
  font-weight: 700;
}

.concept-tab__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  opacity: 0.75;
}

.concept-switcher__desc {
  width: 100%;
  font-size: 0.77rem;
  color: #BDBDBD;
  padding-top: 2px;
  border-top: 1px dashed rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.palette-dots {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.palette-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  display: inline-block;
}

/* ==========================================================================
   NAWIGACJA GŁÓWNA (Zgodnie z Miro: Logo/Home, Oferta + pull-down, Realizacje,
   Technologie, O nas, Kontakt, Flagi PL/EN)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 41px;
  z-index: 1000;
  padding: 14px 0;
  transition: all 0.25s ease;
}

.navbar {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border: 1px solid var(--c-grey);
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: 0 8px 24px rgba(34, 34, 34, 0.04);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-graphite-deep);
}

.brand__logo {
  height: 38px;
  width: auto;
  border-radius: 6px;
  object-fit: contain;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.brand__sub {
  font-size: 0.7rem;
  color: var(--c-slate);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--c-graphite);
}

.nav-link:hover,
.nav-link.is-active {
  background: var(--c-ivory);
  color: var(--c-ink);
}

.nav-link.is-active {
  box-shadow: inset 0 0 0 1px var(--c-graphite);
}

.nav-link__caret {
  width: 14px;
  height: 14px;
  transition: transform 0.2s ease;
}

.nav-item--dropdown:hover .nav-link__caret,
.nav-item--dropdown:focus-within .nav-link__caret {
  transform: rotate(180deg);
}

/* Pull-down menu pod Oferta */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 320px;
  background: var(--c-white);
  border: 1px solid var(--c-grey);
  border-radius: var(--radius-md);
  padding: 10px;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.22s ease;
  z-index: 1100;
}

.nav-item--dropdown:hover .dropdown-menu,
.nav-item--dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--c-graphite-deep);
}

.dropdown-link span.num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--c-slate);
  margin-right: 10px;
}

.dropdown-link:hover {
  background: var(--c-ivory);
  color: var(--c-ink);
  transform: translateX(3px);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--c-grey);
  border-radius: var(--radius-pill);
  padding: 3px;
  background: var(--c-surface-muted);
}

.lang-btn {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--c-graphite);
  cursor: pointer;
  border: none;
  background: transparent;
}

.lang-btn.is-active {
  background: var(--c-graphite);
  color: var(--c-ivory);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.94rem;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--c-graphite);
  color: var(--c-ivory);
  border-color: var(--c-graphite);
}

.btn--primary:hover {
  background: var(--c-slate);
  border-color: var(--c-slate);
  color: var(--c-white);
  transform: translateY(-2px);
}

.btn--ivory {
  background: var(--c-ivory);
  color: var(--c-graphite-deep);
  border-color: var(--c-graphite);
}

.btn--ivory:hover {
  background: var(--c-graphite);
  color: var(--c-ivory);
  transform: translateY(-2px);
}

.btn--slate {
  background: var(--c-slate);
  color: var(--c-white);
  border-color: var(--c-slate);
}

.btn--slate:hover {
  background: var(--c-graphite);
  border-color: var(--c-graphite);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 9px 18px;
  font-size: 0.85rem;
}

/* ==========================================================================
   SEKCJA 1: HERO (Lewy boks z hasłem + przyciskiem Portfolio, Prawy boks ze
   slajderem 5 zdjęć zmieniających się co 5 sekund)
   ========================================================================== */
.hero-section {
  padding: 20px 0 36px;
}

.hero-shell {
  background: var(--c-grey);
  border-radius: var(--radius-xl);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.hero-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 24px;
  align-items: stretch;
  min-height: 540px;
}

.hero-copy-box {
  background: var(--c-ivory);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(74, 74, 74, 0.14);
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-slate);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--c-slate);
  display: inline-block;
}

.hero-kicker {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-graphite);
  margin-bottom: 8px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.2vw, 3.85rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--c-ink);
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 1.5vw, 1.32rem);
  color: var(--c-graphite);
  font-weight: 500;
  line-height: 1.45;
  margin-bottom: 28px;
}

.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-meta-strip {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid rgba(74, 74, 74, 0.16);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.hero-meta-item strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--c-ink);
}

.hero-meta-item span {
  font-size: 0.76rem;
  color: var(--c-ink-muted);
}

/* Prawy boks: Karuzela 5 zdjęć */
.hero-slider-box {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-graphite-deep);
  min-height: 500px;
  border: 1px solid rgba(74, 74, 74, 0.2);
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s ease, transform 0.9s ease;
  transform: scale(1.03);
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  z-index: 2;
}

.hero-slide__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.hero-slide__caption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  z-index: 5;
  background: rgba(34, 34, 34, 0.82);
  backdrop-filter: blur(10px);
  color: var(--c-white);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid rgba(255, 255, 227, 0.22);
}

.hero-slide__cat {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--c-ivory);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
}

.hero-slide__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 2px;
}

.hero-slide__dims {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--c-ivory);
  color: var(--c-graphite-deep);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  white-space: nowrap;
}

.hero-slider-controls {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(34, 34, 34, 0.75);
  backdrop-filter: blur(8px);
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.slider-dot {
  width: 26px;
  height: 6px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.35);
  border: none;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  transition: width 0.25s ease, background 0.25s ease;
}

.slider-dot.is-active {
  width: 44px;
  background: var(--c-ivory);
}

.slider-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  color: var(--c-white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.slider-arrow:hover {
  background: var(--c-ivory);
  color: var(--c-graphite-deep);
}

/* ==========================================================================
   SEKCJA 2: OFERTA (6 kategorii w układzie 3x2 + przełącznik wariantu z Miro)
   ========================================================================== */
.section-block {
  padding: 36px 0;
}

.offer-shell {
  background: var(--c-grey);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.section-header__left {
  max-width: 780px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.2vw, 2.85rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--c-ink);
  margin-bottom: 14px;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--c-graphite);
  line-height: 1.65;
}

/* Przełącznik wariantu kart Oferty z notatki na Miro */
.offer-layout-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--c-ivory);
  padding: 5px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(74, 74, 74, 0.22);
}

.offer-toggle-btn {
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--c-graphite);
  cursor: pointer;
  transition: all 0.2s ease;
}

.offer-toggle-btn.is-active {
  background: var(--c-graphite);
  color: var(--c-ivory);
}

/* Siatka 3x2 kart oferty */
.offer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Wariant A (domyślny z makiety Miro): Zdjęcie + kółko ze strzałką, po najechaniu wysuwa się opis */
.offer-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-white);
  border: 1px solid rgba(74, 74, 74, 0.16);
  display: flex;
  flex-direction: column;
  min-height: 390px;
  transition: transform var(--transition), box-shadow var(--transition);
}

.offer-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 44px rgba(34, 34, 34, 0.14);
}

.offer-card__media {
  position: relative;
  height: 250px;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin: 12px 12px 0;
}

.offer-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, filter 0.4s ease;
}

.offer-card:hover .offer-card__img {
  transform: scale(1.06);
  filter: brightness(0.84);
}

.offer-card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 227, 0.94);
  color: var(--c-graphite-deep);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 11px;
  border-radius: var(--radius-pill);
}

.offer-card__body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
}

.offer-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.offer-card__title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

/* Kółko ze strzałką (animacja po najechaniu zgodnie z opisem na Miro) */
.offer-card__arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--c-ivory);
  border: 1.5px solid var(--c-graphite);
  color: var(--c-graphite-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background-color var(--transition), color var(--transition);
}

.offer-card:hover .offer-card__arrow {
  background: var(--c-slate);
  border-color: var(--c-slate);
  color: var(--c-white);
  transform: rotate(-45deg) scale(1.08);
}

.offer-card__desc {
  margin-top: 12px;
  font-size: 0.91rem;
  color: var(--c-ink-muted);
  line-height: 1.55;
  transition: color 0.25s ease;
}

/* Wariant B (z żółtej karteczki Miro: zdjęcie obok opisu + lekkie wyciemnienie zdjęcia po najechaniu) */
.offer-grid.is-side-by-side {
  grid-template-columns: repeat(2, 1fr);
}

.offer-grid.is-side-by-side .offer-card {
  flex-direction: row;
  min-height: 230px;
  align-items: stretch;
}

.offer-grid.is-side-by-side .offer-card__media {
  width: 44%;
  height: auto;
  margin: 12px 0 12px 12px;
  flex-shrink: 0;
}

.offer-grid.is-side-by-side .offer-card:hover .offer-card__img {
  filter: brightness(0.72);
}

/* ==========================================================================
   SEKCJA 3: PROCES („Jeden partner - cały proces”, tło ciemne #4A4A4A z białymi
   elementami jak w notatce na Miro)
   ========================================================================== */
.process-shell {
  background: var(--c-graphite);
  color: var(--c-white);
  border-radius: var(--radius-xl);
  padding: 56px 40px;
  position: relative;
  overflow: hidden;
}

.process-shell .eyebrow {
  color: var(--c-ivory);
}

.process-shell .eyebrow::before {
  background: var(--c-ivory);
}

.process-shell .section-title {
  color: var(--c-white);
}

.process-shell .section-lead {
  color: #E2E2E2;
  max-width: 760px;
}

.process-steps {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  position: relative;
}

.process-step {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  position: relative;
  transition: all var(--transition);
}

.process-step:hover {
  background: var(--c-white);
  color: var(--c-graphite-deep);
  transform: translateY(-6px);
}

.process-step__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.process-step__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--c-ivory);
  color: var(--c-graphite-deep);
}

.process-step__icon {
  width: 38px;
  height: 38px;
  color: var(--c-ivory);
  transition: color 0.25s ease;
}

.process-step:hover .process-step__icon {
  color: var(--c-slate);
}

.process-step__title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.process-step__sub {
  font-size: 0.82rem;
  opacity: 0.82;
  line-height: 1.45;
}

/* ==========================================================================
   SEKCJA 4: REALIZACJE KOLAŻ („Najwyższa jakość bez kompromisów.” + Portfolio)
   ========================================================================== */
.collage-shell {
  background: var(--c-grey);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  position: relative;
}

.collage-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 220px;
  gap: 18px;
  position: relative;
}

.collage-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-graphite-deep);
  border: 2px solid var(--c-white);
}

.collage-item--1 { grid-column: span 5; grid-row: span 2; }
.collage-item--2 { grid-column: span 4; grid-row: span 1; }
.collage-item--3 { grid-column: span 3; grid-row: span 2; }
.collage-item--4 { grid-column: span 4; grid-row: span 1; }
.collage-item--5 { grid-column: span 6; grid-row: span 1; }
.collage-item--6 { grid-column: span 6; grid-row: span 1; }

.collage-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s ease;
}

.collage-item:hover img {
  transform: scale(1.06);
}

.collage-item__label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(34, 34, 34, 0.82);
  backdrop-filter: blur(6px);
  color: var(--c-white);
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
}

/* Centralna kapsuła z hasłem z Miro: "Najwyższa jakość bez kompromisów." */
.collage-centerpiece {
  margin-top: -42px;
  position: relative;
  z-index: 5;
  display: flex;
  justify-content: center;
}

.collage-banner {
  background: var(--c-ivory);
  border: 2px solid var(--c-graphite);
  border-radius: var(--radius-xl);
  padding: 26px 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.14);
  max-width: 920px;
  width: 100%;
  flex-wrap: wrap;
}

.collage-banner__quote {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.4vw, 2.05rem);
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: -0.02em;
}

/* ==========================================================================
   SEKCJA 5: DLACZEGO MY (Lewa kolumna z nagłówkiem, Prawa z 4 punktami i liniami)
   ========================================================================== */
.why-shell {
  background: var(--c-ivory);
  border: 1px solid var(--c-grey);
  border-radius: var(--radius-xl);
  padding: 56px 44px;
}

.why-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: start;
}

.why-left {
  position: sticky;
  top: 120px;
}

.why-headline {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 2.7vw, 2.4rem);
  line-height: 1.18;
  color: var(--c-ink);
  margin-bottom: 24px;
}

.why-list {
  display: flex;
  flex-direction: column;
}

.why-item {
  padding: 24px 0;
  border-bottom: 1.5px solid var(--c-grey);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}

.why-item:first-child {
  padding-top: 0;
}

.why-item__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-slate);
  font-weight: 700;
  min-width: 36px;
}

.why-item__content {
  flex: 1;
}

.why-item__title {
  font-family: var(--font-display);
  font-size: 1.32rem;
  font-weight: 700;
  color: var(--c-ink);
}

.why-item__sub {
  font-size: 0.96rem;
  color: var(--c-ink-muted);
  margin-top: 4px;
}

/* ==========================================================================
   DODATKOWY MODUŁ TECHNICZNY (widoczny w Koncepcji 3 - przekrój GRP)
   ========================================================================== */
.tech-blueprint-strip {
  display: none;
  margin-top: 28px;
  background: #1F2328;
  color: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  border: 1px solid var(--c-slate);
}

.tech-blueprint-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 28px;
  align-items: center;
}

.layer-pills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 14px;
}

.layer-pill {
  background: rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--c-ivory);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.83rem;
}

.layer-pill strong {
  display: block;
  color: var(--c-ivory);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

/* ==========================================================================
   SEKCJA 6: KONTAKT + STOPKA (Zgodnie z Miro: 4 kolumny: Logo, Menu, Adres, Kontakt)
   ========================================================================== */
.contact-shell {
  background: var(--c-slate);
  color: var(--c-white);
  border-radius: var(--radius-xl);
  padding: 52px 44px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

.contact-shell .eyebrow {
  color: var(--c-ivory);
}

.contact-shell .eyebrow::before {
  background: var(--c-ivory);
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3vw, 2.7rem);
  line-height: 1.12;
  margin-bottom: 16px;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.contact-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 227, 0.28);
  border-radius: var(--radius-md);
  padding: 20px;
}

.contact-card__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--c-ivory);
  letter-spacing: 0.06em;
}

.contact-card__val {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 6px;
  display: block;
}

.contact-form {
  background: var(--c-ivory);
  color: var(--c-ink);
  padding: 32px;
  border-radius: var(--radius-lg);
}

.contact-form h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-grey);
  background: var(--c-white);
  font-family: inherit;
  font-size: 0.92rem;
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  margin-bottom: 14px;
}

.site-footer {
  margin-top: 36px;
  background: var(--c-graphite-deep);
  color: var(--c-white);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 52px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-ivory);
  margin-bottom: 16px;
}

.footer-links li + li {
  margin-top: 8px;
}

.footer-links a {
  color: #D0D0D0;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--c-ivory);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #9E9E9E;
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   PODSTRONY Z MIRO (OFERTA, REALIZACJE, TECHNOLOGIE, O NAS)
   ========================================================================== */
.subpage-hero {
  background: var(--c-graphite);
  color: var(--c-white);
  border-radius: var(--radius-xl);
  padding: 52px 44px;
  margin-bottom: 32px;
}

.subpage-hero .eyebrow {
  color: var(--c-ivory);
}

.subpage-hero .eyebrow::before {
  background: var(--c-ivory);
}

.subpage-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 3.6vw, 3.2rem);
  line-height: 1.08;
  margin-bottom: 16px;
}

.subpage-hero p {
  font-size: 1.08rem;
  color: #E4E4E4;
  max-width: 820px;
}

/* Podstrona OFERTA — szczegółowe moduły kategorii */
.offer-detail-block {
  background: var(--c-grey);
  border-radius: var(--radius-xl);
  padding: 40px;
  margin-bottom: 28px;
  scroll-margin-top: 120px;
}

.offer-detail-block:nth-child(even) {
  background: var(--c-ivory);
  border: 1px solid var(--c-grey);
}

.offer-detail-top {
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 28px;
  align-items: stretch;
}

.offer-detail-gallery {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 340px;
  background: var(--c-graphite-deep);
}

.offer-detail-gallery img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.offer-detail-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 10px;
}

.offer-thumb {
  width: 76px;
  height: 54px;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.7;
  transition: all 0.2s ease;
}

.offer-thumb.is-active,
.offer-thumb:hover {
  opacity: 1;
  border-color: var(--c-graphite);
}

.offer-detail-box1 {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(74, 74, 74, 0.14);
}

.offer-detail-box2 {
  margin-top: 22px;
  background: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-lg);
  padding: 28px 34px;
  border-left: 4px solid var(--c-slate);
}

.offer-detail-box2 h4 {
  font-family: var(--font-display);
  font-size: 1.18rem;
  margin-bottom: 8px;
  color: var(--c-ink);
}

/* Podstrona REALIZACJE — naprzemienne karty z tabelą parametrów */
.realizacja-row {
  background: var(--c-white);
  border: 1px solid var(--c-grey);
  border-radius: var(--radius-xl);
  padding: 36px;
  margin-bottom: 26px;
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 32px;
  align-items: center;
}

.realizacja-row:nth-child(even) .realizacja-media {
  order: 2;
}

.realizacja-media img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.params-box {
  margin-top: 20px;
  background: var(--c-ivory);
  border: 1px solid var(--c-grey);
  border-radius: var(--radius-md);
  padding: 18px 22px;
}

.params-box h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-slate);
  margin-bottom: 10px;
}

.params-dl {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 8px 16px;
  font-size: 0.88rem;
}

.params-dl dt {
  color: var(--c-ink-muted);
  font-weight: 600;
}

.params-dl dd {
  color: var(--c-ink);
  font-weight: 700;
}

/* Podstrona TECHNOLOGIE */
.tech-props-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 28px 0 40px;
}

.tech-prop-card {
  background: var(--c-ivory);
  border: 1px solid var(--c-grey);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.tech-prop-card h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  margin-bottom: 10px;
}

.tech-method-card {
  background: var(--c-white);
  border: 1px solid var(--c-grey);
  border-radius: var(--radius-xl);
  padding: 34px;
  margin-bottom: 24px;
  display: grid;
  grid-template-columns: 4fr 8fr;
  gap: 28px;
  align-items: center;
}

.tech-method-card img {
  width: 100%;
  height: 270px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
}

.pros-box {
  background: var(--c-ivory);
  padding: 16px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--c-slate);
  font-size: 0.88rem;
}

.cons-box {
  background: var(--c-surface-muted);
  padding: 16px;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--c-graphite);
  font-size: 0.88rem;
}

/* Podstrona O NAS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: 32px 0;
}

.stat-card {
  background: var(--c-graphite);
  color: var(--c-white);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
}

.stat-card__num {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--c-ivory);
  line-height: 1;
  margin-bottom: 12px;
}

/* ==========================================================================
   SPECYFIKA 3 KONCEPCJI GRAFICZNYCH (Różnicowanie wizualne)
   ========================================================================== */

/* --------------------------------------------------------------------------
   KONCEPCJA 1: „Subtelny Katalog Architektoniczny” (Delikatna, mniej elementów)
   -------------------------------------------------------------------------- */
body[data-concept="1"] {
  background-color: #FAF9F5;
}

body[data-concept="1"] .hero-shell,
body[data-concept="1"] .offer-shell,
body[data-concept="1"] .collage-shell {
  background: transparent;
  padding-inline: 0;
  border-radius: 0;
}

body[data-concept="1"] .hero-copy-box {
  background: var(--c-white);
  border: 1px solid var(--c-grey);
}

body[data-concept="1"] .hero-title,
body[data-concept="1"] .section-title,
body[data-concept="1"] .why-headline,
body[data-concept="1"] .collage-banner__quote {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.01em;
}

body[data-concept="1"] .hero-title {
  font-size: clamp(2.9rem, 4.8vw, 4.3rem);
}

body[data-concept="1"] .section-title {
  font-size: clamp(2.3rem, 3.6vw, 3.25rem);
}

/* W Koncepcji 1 ukrywamy dodatkowe ikony wektorowe i detale techniczne,
   zostawiając czystą typografię i zaokrąglone fotografie */
body[data-concept="1"] .process-step__icon,
body[data-concept="1"] .offer-card__tag,
body[data-concept="1"] .hero-meta-strip {
  display: none;
}

body[data-concept="1"] .offer-card {
  background: var(--c-white);
  border: 1px solid var(--c-grey);
  min-height: 360px;
}

body[data-concept="1"] .why-shell {
  background: var(--c-white);
}

/* --------------------------------------------------------------------------
   KONCEPCJA 2: „Nowoczesna Inżynieria Kompozytów” (Zbalansowana, modułowa Miro)
   -------------------------------------------------------------------------- */
body[data-concept="2"] {
  background-color: #EFECE6;
}

body[data-concept="2"] .hero-shell {
  background: var(--c-grey);
  border: 1px solid rgba(74, 74, 74, 0.15);
}

body[data-concept="2"] .offer-shell {
  background: #DFDFDD;
  border: 1px solid var(--c-grey);
}

/* --------------------------------------------------------------------------
   KONCEPCJA 3: „Monumentalna Forma & Warsztat” (Odważna, bogata graficznie)
   -------------------------------------------------------------------------- */
body[data-concept="3"] {
  background-color: #E4E6E9;
  background-image:
    linear-gradient(to right, rgba(109, 129, 150, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(109, 129, 150, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
}

body[data-concept="3"] .hero-shell {
  background: var(--c-graphite-deep);
  color: var(--c-white);
  padding: 34px;
  border: 2px solid var(--c-slate);
}

body[data-concept="3"] .hero-copy-box {
  background: linear-gradient(160deg, #3A3D42 0%, #26282B 100%);
  color: var(--c-white);
  border: 1px solid rgba(255, 255, 227, 0.24);
}

body[data-concept="3"] .hero-kicker,
body[data-concept="3"] .hero-subtitle,
body[data-concept="3"] .hero-meta-item span {
  color: #D8DADF;
}

body[data-concept="3"] .hero-title,
body[data-concept="3"] .hero-meta-item strong {
  color: var(--c-ivory);
}

body[data-concept="3"] .hero-copy-box .eyebrow {
  color: var(--c-ivory);
}

body[data-concept="3"] .hero-copy-box .eyebrow::before {
  background: var(--c-ivory);
}

body[data-concept="3"] .hero-copy-box .btn--primary {
  background: var(--c-ivory);
  color: var(--c-graphite-deep);
  border-color: var(--c-ivory);
}

body[data-concept="3"] .offer-shell {
  background: var(--c-white);
  border: 2px solid var(--c-graphite);
  box-shadow: 12px 12px 0 var(--c-slate);
}

body[data-concept="3"] .offer-card {
  border: 1.5px solid var(--c-graphite);
  background: var(--c-ivory-soft);
}

body[data-concept="3"] .tech-blueprint-strip {
  display: block;
}

body[data-concept="3"] .why-shell {
  background: var(--c-graphite-deep);
  color: var(--c-white);
  border: 2px solid var(--c-slate);
}

body[data-concept="3"] .why-headline,
body[data-concept="3"] .why-item__title {
  color: var(--c-ivory);
}

body[data-concept="3"] .why-item__sub {
  color: #CFD4DC;
}

body[data-concept="3"] .why-item {
  border-bottom-color: rgba(255, 255, 255, 0.16);
}

body[data-concept="3"] .why-shell .eyebrow {
  color: var(--c-ivory);
}

/* ==========================================================================
   RESPONSYWNOŚĆ (RWD)
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-grid,
  .why-grid,
  .contact-grid,
  .offer-detail-top,
  .realizacja-row,
  .tech-method-card,
  .tech-blueprint-grid {
    grid-template-columns: 1fr;
  }

  .offer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .tech-props-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .navbar {
    border-radius: var(--radius-md);
    flex-wrap: wrap;
    padding: 12px 16px;
  }

  .nav-menu {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .offer-grid,
  .offer-grid.is-side-by-side,
  .process-steps,
  .stats-grid,
  .tech-props-grid,
  .pros-cons-grid,
  .footer-grid,
  .contact-cards,
  .form-row {
    grid-template-columns: 1fr;
  }

  .collage-grid {
    display: flex;
    flex-direction: column;
  }

  .collage-item {
    height: 240px;
  }

  .collage-centerpiece {
    margin-top: 16px;
  }
}