/* ==========================================================================
   Custom properties — colors and spacing
   ========================================================================== */

:root {
  /* Paleta dopasowana do wizytówki i oklejenia auta klienta: granat + zielone
     logo + biel. Zielony akcent działa tylko na ciemnym/jasnym tle z dobrym
     kontrastem — patrz komentarze przy .btn--cta i .mobile-call-bar. */
  --color-bg: #F5F6F7;
  --color-text: #14181F;
  --color-primary: #263349;
  --color-secondary: #8792A6;
  --color-accent: #6FC333;
  --color-primary-light: #E4E7ED;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius: 0.5rem;
  --touch-target: 2.75rem; /* 44px minimum touch target */
  --mobile-bar-height: 3.5rem;
  --content-width: 75rem;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

body,
h1, h2, h3, h4,
p,
ul, ol,
figure {
  margin: 0;
}

ul {
  padding: 0;
}

img {
  max-width: 100%;
  display: block;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  padding-bottom: var(--mobile-bar-height);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }
}

:focus-visible {
  outline: 3px solid var(--color-text);
  outline-offset: 2px;
}

.visually-hidden {
  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: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-3);
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  border: none;
}

.btn--call {
  background: var(--color-primary);
  color: #fff;
}

.btn--cta {
  background: var(--color-accent);
  /* Jasna zieleń z białym tekstem nie ma wystarczającego kontrastu (WCAG AA) —
     ciemny granat na zieleni daje ok. 5.8:1. */
  color: var(--color-primary);
}

/* ==========================================================================
   Header + navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-secondary);
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  max-width: var(--content-width);
  margin-inline: auto;
  padding: var(--space-2) var(--space-3);
}

.logo {
  display: inline-flex;
  align-items: center;
  min-height: var(--touch-target);
  text-decoration: none;
}

.logo__image {
  height: var(--touch-target);
  width: auto;
  /* logo z białym tłem (JPG bez przezroczystości) — multiply "wtapia" białe tło w tło nagłówka */
  mix-blend-mode: multiply;
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: var(--touch-target);
  height: var(--touch-target);
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle__bar {
  width: 1.5rem;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
}

.primary-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-secondary);
  padding: var(--space-3);
}

.primary-nav.is-open {
  display: flex;
}

.primary-nav__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.primary-nav__list a {
  display: flex;
  align-items: center;
  min-height: var(--touch-target);
  padding: var(--space-1) var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}

.primary-nav__list a:hover,
.primary-nav__list a:focus-visible {
  /* Jasna zieleń na jasnym tle nie ma wystarczającego kontrastu — granat
     + podkreślenie zamiast koloru akcentu. */
  color: var(--color-primary);
  text-decoration: underline;
}

/* Fixed call bar — always in thumb reach on mobile */
.mobile-call-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--mobile-bar-height);
  /* Granat zamiast zieleni — biały tekst na jasnej zieleni nie miałby
     wystarczającego kontrastu; granat pasuje też do tła wizytówki/auta. */
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: var(--space-6) var(--space-3);
  background: var(--color-primary-light);
  text-align: center;
}

.hero__inner {
  max-width: 40rem;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.hero h1 {
  align-self: center;
}

.hero__logo {
  width: 100%;
  max-width: 14rem;
  height: auto;
  /* logo z białym tłem — patrz .logo__image w nagłówku */
  mix-blend-mode: multiply;
}

.hero__tagline {
  font-size: 1.125rem;
  font-weight: 600;
}

.hero__lead {
  font-size: 1rem;
}

.hero .btn {
  align-self: center;
}

/* ==========================================================================
   Placeholder sections
   ========================================================================== */

main > section:not(.hero) {
  max-width: var(--content-width);
  margin-inline: auto;
  padding: var(--space-6) var(--space-3);
}

main > section h2 {
  font-size: 1.75rem;
  color: var(--color-primary);
}

.section--tint {
  background: var(--color-primary-light);
}

.section-lead {
  margin-block-start: var(--space-2);
  margin-block-end: var(--space-4);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================================================
   Usługi
   ========================================================================== */

.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: var(--color-primary-light);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.service-card h3 {
  font-size: 1.125rem;
  color: var(--color-primary);
}

.service-card ul {
  list-style: disc;
  padding-inline-start: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: 0.9375rem;
}

.service-cta {
  display: flex;
  justify-content: center;
  margin-block-start: var(--space-5);
}

/* ==========================================================================
   O nas
   ========================================================================== */

.about {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  max-width: 42rem;
  margin-block-start: var(--space-4);
}

.about__intro,
.about__mission {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.about h3 {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-block-start: var(--space-2);
}

/* ==========================================================================
   Realizacje
   ========================================================================== */

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.showcase-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.showcase-card__img {
  width: 100%;
  aspect-ratio: 20 / 9;
  object-fit: cover;
}

.showcase-card__footer {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-3);
  background: linear-gradient(to top, rgb(0 0 0 / 0.75) 0%, rgb(0 0 0 / 0.75) 40%, transparent 100%);
}

.showcase-card__label {
  color: #fff;
  font-weight: 700;
  font-size: 1.125rem;
}

/* Domyślnie przycisk jest zawsze widoczny (telefon nie ma hovera — patrz
   CLAUDE.md projektu: żadnych efektów działających tylko na :hover).
   Dopiero na urządzeniach z realnym hoverem (mysz) chowamy go i pokazujemy
   po najechaniu/focusie jako dodatkowy, czysto kosmetyczny efekt. */
@media (hover: hover) and (pointer: fine) {
  .showcase-card__button {
    opacity: 0;
    transform: translateY(0.5rem);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .showcase-card:hover .showcase-card__button,
  .showcase-card:focus-within .showcase-card__button {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
}

/* ==========================================================================
   Opinie
   ========================================================================== */

.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.testimonial-card__rating {
  color: var(--color-primary);
  font-size: 1.25rem;
  letter-spacing: 0.125rem;
}

.testimonial-card__quote {
  margin: 0;
  font-size: 0.9375rem;
}

.testimonial-card__author {
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================================================
   Kontakt
   ========================================================================== */

.contact-info {
  margin-block-start: var(--space-4);
}

.contact-info__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-info__label {
  display: block;
  font-weight: 700;
  color: var(--color-primary);
  margin-block-end: var(--space-1);
}

.contact-info a {
  color: var(--color-primary);
  font-weight: 600;
}

.contact-info address {
  font-style: normal;
}

.contact-map {
  margin-block-start: var(--space-5);
}

.map-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  text-align: center;
  padding: var(--space-4);
  background: var(--color-primary-light);
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius);
}

.map-embed__note {
  max-width: 24rem;
  font-size: 0.875rem;
}

.contact-map__link {
  margin-block-start: var(--space-3);
  text-align: center;
}

.map-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius);
}

.site-footer {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-4) var(--space-3);
  text-align: center;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.site-footer__brand {
  font-weight: 700;
  font-size: 1.125rem;
}

.site-footer a {
  color: inherit;
}

.site-footer__copy {
  margin-block-start: var(--space-2);
  font-size: 0.875rem;
}

/* ==========================================================================
   Modal z galerią zdjęć (Realizacje)
   ========================================================================== */

.gallery-modal {
  border: none;
  border-radius: var(--radius);
  padding: 0;
  width: 100%;
  max-width: min(64rem, calc(100vw - 2rem));
  /* 100vh na telefonie liczy się względem chowanego paska adresu, więc bywa
     wyższe niż realnie widoczny ekran — dialog (bez scrolla strony) ucinał
     się wtedy poniżej tego, co widać, i wyglądało to jak nachodzące na
     siebie zdjęcia. 100dvh śledzi realnie widoczną wysokość; druga
     deklaracja nadpisuje pierwszą tylko w przeglądarkach, które ją rozumieją. */
  max-height: calc(100vh - 2rem);
  max-height: calc(100dvh - 2rem);
  background: var(--color-bg);
  color: var(--color-text);
  overflow: hidden;
}

/* Nagłówek na stałe u góry, siatka/podgląd poniżej scrollują się we własnym
   zakresie — bez tego przy większej liczbie zdjęć treść wychodziła poza
   modal i nachodziła na siebie zamiast się przewijać. */
.gallery-modal[open] {
  display: flex;
  flex-direction: column;
}

.gallery-modal::backdrop {
  background: rgb(0 0 0 / 0.65);
}

.gallery-modal__header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  /* druga kolejna redukcja o 10% (razem: -19% względem oryginału) */
  padding: calc(var(--space-2) * 0.81) var(--space-3);
  background: var(--color-primary);
  color: #fff;
}

.gallery-modal__title {
  font-size: 1.125rem;
}

.gallery-modal__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  /* Celowo poniżej 44px (--touch-target) — druga kolejna redukcja o 10%
     (razem: -19% względem 44px), kosztem minimalnego touch targetu z CLAUDE.md */
  width: calc(var(--touch-target) * 0.81);
  height: calc(var(--touch-target) * 0.81);
  flex-shrink: 0;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: inherit;
  font-size: 1.25rem;
  cursor: pointer;
}

.gallery-modal__close:hover,
.gallery-modal__close:focus-visible {
  background: rgb(255 255 255 / 0.15);
}

.gallery-modal__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-content: start;
  gap: var(--space-2);
  /* Boki o 25% węższe niż odstępy między zdjęciami (gap bez zmian); góra
     dodatkowo o połowę węższa niż boki — mniejszy odstęp od nagłówka do
     pierwszego rzędu zdjęć. Kolejność: top | right | bottom | left. */
  padding: calc(var(--space-3) * 0.375) calc(var(--space-3) * 0.75) var(--space-3) calc(var(--space-3) * 0.75);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  flex: 1 1 auto;
  min-height: 0;
}

/* Nawigacja między "stronami" zdjęć (po 15) — stały pasek na dole modala,
   żeby przy większej galerii nie trzeba było polegać na scrollu w pionie. */
.gallery-modal__pagination {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  /* wysokość -10% względem pionowego paddingu; przyciski nawigacji zostają
     przy 44px (--touch-target), więc realny spadek wysokości jest mniejszy */
  padding: calc(var(--space-2) * 0.9) var(--space-3);
  border-top: 1px solid var(--color-secondary);
  background: var(--color-bg);
}

.gallery-modal__pagination[hidden] {
  display: none;
}

.gallery-modal__page-btn {
  /* Celowo poniżej 44px (--touch-target) — pełne -10% wysokości paska na
     wyraźne życzenie, kosztem minimalnego touch targetu z CLAUDE.md */
  min-height: calc(var(--touch-target) * 0.9);
  padding: 0 var(--space-3);
  border: none;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.gallery-modal__page-btn:disabled {
  background: var(--color-secondary);
  cursor: not-allowed;
  opacity: 0.6;
}

.gallery-modal__page-info {
  font-weight: 600;
  color: var(--color-primary);
}

.gallery-modal__grid[hidden],
.gallery-modal__viewer[hidden] {
  display: none;
}

.gallery-modal__thumb {
  border: none;
  padding: 0;
  background: none;
  cursor: pointer;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.gallery-modal__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-modal__thumb:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

.gallery-modal__viewer {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  flex: 1 1 auto;
  min-height: 0;
}

.gallery-modal__back {
  align-self: flex-start;
  min-height: var(--touch-target);
  padding: 0 var(--space-2);
  border: none;
  background: none;
  color: var(--color-primary);
  font-weight: 600;
  cursor: pointer;
}

.gallery-modal__viewer-img {
  max-width: 100%;
  max-height: 60vh;
  width: auto;
  height: auto;
  border-radius: var(--radius);
  object-fit: contain;
}

.gallery-modal__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target);
  height: var(--touch-target);
  border: none;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.gallery-modal__nav--prev {
  left: var(--space-2);
}

.gallery-modal__nav--next {
  right: var(--space-2);
}

/* ==========================================================================
   Tablet and up (768px)
   ========================================================================== */

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }

  .mobile-call-bar {
    display: none;
  }

  .nav-toggle {
    display: none;
  }

  .primary-nav {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: var(--space-4);
    background: transparent;
    border-bottom: none;
    padding: 0;
  }

  .primary-nav__list {
    flex-direction: row;
    gap: var(--space-4);
  }

  .hero__logo {
    max-width: 18rem;
  }

  .hero__tagline {
    font-size: 1.25rem;
  }

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

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

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

  .map-embed {
    aspect-ratio: 16 / 9;
  }

  .gallery-modal__grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* ==========================================================================
   Desktop (1024px)
   ========================================================================== */

@media (min-width: 1024px) {
  .hero {
    padding: var(--space-6) var(--space-5);
  }

  .hero__logo {
    max-width: 22rem;
  }

  .about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    max-width: none;
    align-items: start;
  }

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

  .showcase-grid {
    /* 4 karty, więc na desktopie w jednym rzędzie zamiast 3+1 z osamotnioną czwartą */
    grid-template-columns: repeat(4, 1fr);
  }

  .gallery-modal__grid {
    grid-template-columns: repeat(5, 1fr);
  }
}