/* ============================================================
   Brum design system — baza i komponenty
   Wierne odwzorowanie mobbin.com wg mobbin/{typography,layout,
   grammar,motion}.md + components/*.md. Anty-wzorce obowiązują:
   zero cieni, zero hoverów na kartach, zero akcentów w UI,
   zero fluid typography, zero wersalików/kursywy/podkreśleń
   (wyjątek: pojedynczy link inline w opisie).
   ============================================================ */

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

html {
  font-size: var(--root-font);
  scroll-behavior: auto; /* bez smooth-scroll JS — natywne przewijanie */
}

body {
  font-family: var(--font);
  font-weight: var(--wght-light);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-light);
  color: var(--text-primary);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased; /* bez tego waga 456 na bieli robi się za ciężka */
  -moz-osx-font-smoothing: grayscale;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; letter-spacing: inherit; border: 0; background: none; cursor: pointer; }

/* ------------------------------------------------------------
   Typografia — role (tracking zależy od wagi, nie rozmiaru)
   ------------------------------------------------------------ */

.h1-hero, .h1, .h2, .h3, .stat-liczba, .nazwa-652 {
  font-weight: var(--wght-display);
  color: var(--text-primary);
}

.h1-hero {
  font-size: var(--fs-h1-hero);
  line-height: var(--lh-h1-hero);   /* line-height 1.0 — sygnatura */
  letter-spacing: var(--ls-display);
}

.h1, .h2 {
  font-size: var(--fs-h1);
  line-height: var(--lh-h1);
  letter-spacing: var(--ls-display);
}

.h3 {
  font-size: var(--fs-h3);
  line-height: var(--lh-h3);
  letter-spacing: 0;
}

.stat-liczba {
  font-size: var(--fs-h1-hero);
  line-height: var(--lh-h1-hero);
  letter-spacing: var(--ls-display);
}

.nazwa-652 { /* nazwy pozycji katalogu w mozaice CTA: 32/36 w652, ls 0 */
  font-size: var(--fs-nazwa-cta);
  line-height: var(--lh-nazwa-cta);
  letter-spacing: 0;
}

.lead-hero { /* H4 20/26 w300 szary */
  font-size: var(--fs-h4);
  line-height: var(--lh-h4);
  font-weight: var(--wght-light);
  letter-spacing: 0;
  color: var(--text-secondary);
}

.h4-karta { /* tytuły kart: 20/26 w600 */
  font-size: var(--fs-h4);
  line-height: var(--lh-h4);
  font-weight: var(--wght-ui);
  letter-spacing: 0;
  color: var(--text-primary);
}

.opis { /* opisy feature'ów, cytaty, lead CTA: 16/22 w456 −0.16 */
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: var(--wght-body-plus);
  letter-spacing: var(--ls-body-plus);
  color: var(--text-secondary);
}
.opis-na-czarno { color: var(--text-primary); } /* cytaty opinii */
.opis a { text-decoration: underline; } /* jedyny dozwolony link inline */

.tekst-ui { /* linki nav, taby, nagłówki kolumn stopki: 16 w600 +0.2 */
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: var(--wght-ui);
  letter-spacing: var(--ls-light);
}

.small {
  font-size: var(--fs-small);
  line-height: var(--lh-small);
  font-weight: var(--wght-light);
  letter-spacing: var(--ls-light);
  color: var(--text-secondary);
}

/* ------------------------------------------------------------
   Layout: sekcja 1376 / treść 1280 / łam wąski 960
   ------------------------------------------------------------ */

.sekcja {
  padding-left: var(--section-pad-x);
  padding-right: var(--section-pad-x);
}

.kontener-1280 { max-width: var(--content-max); margin-left: auto; margin-right: auto; }
.kontener-960  { max-width: var(--narrow-max);  margin-left: auto; margin-right: auto; }

/* wszystko marketingowe wyśrodkowane; lewe wyrównanie tylko w kartach i stopce */
.centrum { text-align: center; }

/* ------------------------------------------------------------
   Przyciski — jedyne dwa warianty; wysokość ZAWSZE 44px
   ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-pill);
  font-weight: var(--wght-ui);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-light);
  transition: var(--transition-btn);
  white-space: nowrap;
}

.btn-primary {
  padding: var(--btn-pad);
  background: var(--action-bg);
  color: var(--action-fg);
}
.btn-primary:hover { background: var(--action-bg-hover); } /* NIC więcej */

.btn-secondary {
  padding: 10px 16px; /* border 1px wyrównuje wysokość do 44px */
  background: transparent;
  border: 1px solid var(--border-control);
  color: var(--text-primary);
  -webkit-backdrop-filter: blur(var(--blur-btn-secondary));
  backdrop-filter: blur(var(--blur-btn-secondary));
  gap: 6px;
}
.btn-secondary:hover { background: var(--action-secondary-bg-hover); }
.btn-secondary .strzalka { width: 20px; height: 20px; flex: none; }

.para-cta { /* primary lewy, secondary prawy, gap 12, wycentrowane */
  display: flex;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

/* ------------------------------------------------------------
   Pigułka nawigacji — pływająca wyspa (fixed, blur 48)
   ------------------------------------------------------------ */

.naglowek {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 24px;
  z-index: 9;
}

.nav-pigulka {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 584px;
  height: 60px;
  padding: 18px 24px;
  border-radius: var(--r-nav);
  background: var(--surface-nav);
  -webkit-backdrop-filter: blur(var(--blur-nav));
  backdrop-filter: blur(var(--blur-nav));
  transition: padding 0.3s ease;
}

.nav-logo { height: 18px; display: flex; align-items: center; color: var(--text-primary); }
.nav-linki { display: flex; align-items: center; gap: 24px; }
.nav-linki a { color: var(--text-primary); } /* linki nav: BEZ efektu hover */
.nav-linki a.btn-primary { color: var(--action-fg); } /* CTA w pigułce: biały tekst mimo reguły wyżej */

/* CTA wsuwa się po przescrollowaniu hero; szerokość pigułki bez zmian */
.nav-cta {
  max-width: 0;
  opacity: 0;
  overflow: hidden;
  margin-left: 0;
  transition: max-width 0.3s ease, opacity 0.3s ease, margin-left 0.3s ease;
}
.naglowek.scrolled .nav-pigulka { padding-right: 8px; }
.naglowek.scrolled .nav-cta { max-width: 200px; opacity: 1; margin-left: 16px; }

.nav-hamburger { display: none; }

/* menu mobilne: pigułka morfuje w kartę (ta sama wyspa); poza mobile nie istnieje */
.menu-mobilne {
  position: fixed;
  top: 8px; left: 24px; right: 24px;
  z-index: 10;
  border-radius: 28px;
  background: var(--surface-nav);
  -webkit-backdrop-filter: blur(var(--blur-nav));
  backdrop-filter: blur(var(--blur-nav));
  padding: 20px 24px 24px;
  display: none;
  flex-direction: column;
}

/* ------------------------------------------------------------
   Tabbar — pigułka 8% z białą pigułką pod aktywnym tabem
   ------------------------------------------------------------ */

.tabbar {
  position: relative;
  display: inline-flex;
  padding: 4px;
  height: 42px;
  border-radius: var(--r-pill);
  background: var(--surface-tabbar);
}

.tabbar .wskaznik {
  position: absolute;
  top: 4px;
  height: 34px;
  border-radius: var(--r-pill);
  background: #ffffff;
  transition: left 0.3s ease, width 0.3s ease;
}

.tabbar .tab {
  position: relative;
  padding: 6px 16px;
  height: 34px;
  font-weight: var(--wght-ui);
  color: var(--text-tertiary);
  transition: color 0.3s ease;
}
.tabbar .tab.aktywny { color: var(--text-primary); }

/* ------------------------------------------------------------
   Karty feature — szary cover r16, media r20; BEZ hoveru/borderu
   ------------------------------------------------------------ */

.siatka-2kol { display: grid; grid-template-columns: 1fr 1fr; gap: var(--card-gap-2col); }
.siatka-3kol { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--card-gap-3col); }

.karta-feature .cover {
  background: var(--surface-subtle);
  border-radius: var(--r-card-cover);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.karta-feature .cover img,
.karta-feature .cover video { border-radius: var(--r-card-video); }
.karta-feature .meta { margin-top: var(--card-padding); }
.karta-feature .meta .h4-karta + .opis { margin-top: 4px; }

/* ------------------------------------------------------------
   Karty opinii — masonry 4×302, obrys 6%, maska dołu
   ------------------------------------------------------------ */

.masonry-opinie {
  display: grid;
  grid-template-columns: repeat(4, 302px);
  gap: var(--card-gap-3col);
  justify-content: center;
  align-items: start;
}
.masonry-opinie .kolumna { display: grid; gap: var(--card-gap-3col); }

.karta-opinia {
  width: 302px;
  padding: var(--card-padding);
  border-radius: var(--r-card-lg);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle); /* ledwo widoczny — NIE ciemniejszy */
}

.karta-opinia .osoba {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px; /* avatar+nazwisko → cytat */
}
.karta-opinia .avatar {
  position: relative;
  width: 44px; height: 44px; flex: none;
  border-radius: 50%;
  background: var(--surface-subtle);
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--wght-ui);
  color: var(--text-secondary);
}
.karta-opinia .nazwisko { font-weight: var(--wght-light); color: var(--text-primary); }
.karta-opinia .firma { font-size: var(--fs-small); line-height: var(--lh-small); color: var(--text-secondary); }
.karta-opinia .cytat { text-align: left; }

.sekcja-opinie { position: relative; }
.sekcja-opinie .maska-dolu {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 150px;
  background: linear-gradient(to bottom, rgba(255,255,255,0), var(--bg-base));
  pointer-events: none;
}

/* ------------------------------------------------------------
   Ticker — marquee 30px/s (JS/rAF), karty 268×610 r24
   ------------------------------------------------------------ */

.ticker {
  overflow: hidden;
  width: 100%;
}
.ticker .tor {
  display: flex;
  gap: var(--ticker-gap);
  width: max-content;
  will-change: transform;
}
.ticker .pozycja { flex: none; width: 268px; }
.ticker .etykieta {
  font-weight: var(--wght-light);
  color: var(--text-primary);
  letter-spacing: var(--ls-light);
  margin-bottom: 12px;
  text-align: left;
}
.ticker .zrzut {
  width: 268px; height: 610px;
  border-radius: var(--r-card-lg);
  overflow: hidden;
  background: var(--surface-subtle);
}
.ticker .zrzut img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

/* ------------------------------------------------------------
   Product cover — 1280×674 r24, zero tekstu, cięcie dołem
   ------------------------------------------------------------ */

.product-cover {
  max-width: var(--content-max);
  margin: 0 auto;
  border-radius: var(--r-card-lg);
  overflow: hidden;
  background: var(--surface-subtle);
}
.product-cover img { width: 100%; height: 674px; object-fit: cover; object-position: top; }

/* ------------------------------------------------------------
   Scrollytelling statystyk — sekcja wysoka, panel sticky 100vh
   ------------------------------------------------------------ */

.scrolly { position: relative; height: 3510px; }
.scrolly .panel {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.scrolly .panel .h3 { margin-top: 168px; }
.scrolly .stos {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px; /* liczba→liczba = 80 lh + 24 = 104 */
  pointer-events: none;
}
.scrolly .stat-liczba { color: var(--text-tertiary); will-change: transform, opacity; }
.scrolly .stat-liczba.aktywna { color: var(--text-primary); }
.scrolly .ikona-dryf {
  position: absolute;
  width: 80px; height: 80px;
  border-radius: 18px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--wght-display);
  font-size: 24px;
  color: var(--text-tertiary);
  will-change: transform;
}

/* ------------------------------------------------------------
   Mozaika katalogu w CTA — statyczna, bleed poza viewport
   ------------------------------------------------------------ */

.mozaika { overflow: hidden; }
.mozaika .rzad {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  margin: 0 auto 40px;
}
.mozaika .para { display: flex; align-items: center; gap: 16px; flex: none; }
.mozaika .ikona {
  width: 64px; height: 64px;
  border-radius: 15px; /* squircle-ish */
  background: var(--surface-subtle);
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--wght-display);
  font-size: 22px;
  color: var(--text-secondary);
}

/* ------------------------------------------------------------
   Stopka — ciemna kurtyna (sticky reveal), 512px
   ------------------------------------------------------------ */

.tresc-strony {
  position: relative;
  z-index: 1;
  background: var(--bg-base);
}

.stopka {
  position: sticky;
  bottom: 0;
  z-index: 0;
  height: var(--stopka-h);
  background: var(--bg-footer);
  color: var(--text-on-dark);
  padding: var(--footer-pad);
}
.stopka .uklad {
  max-width: var(--content-max);
  margin: 0 auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.stopka .gora { display: flex; justify-content: space-between; gap: 40px; }
.stopka .marka .wordmark {
  font-weight: var(--wght-display);
  font-size: 28px;
  color: var(--text-on-dark);
}
.stopka .marka .tagline {
  margin-top: 16px;
  max-width: 419px;
  font-size: var(--fs-small);
  line-height: var(--lh-small);
  color: var(--text-on-dark-muted);
}
.stopka .kolumny { display: flex; gap: 120px; }
.stopka .kolumna .naglowek-kolumny {
  font-weight: var(--wght-ui);
  margin-bottom: 24px;
}
.stopka .kolumna a {
  display: block;
  font-weight: var(--wght-light); /* stopka odwraca wagę linków */
  color: var(--text-on-dark);
  line-height: 30px;
}
.stopka .kolumna a:hover { text-decoration: none; } /* hover linków: brak efektu */
.stopka .dol {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.stopka .dol .copyright { color: var(--text-on-dark-muted); font-weight: var(--wght-light); }
.stopka .dol .legal { display: flex; gap: 24px; font-weight: var(--wght-light); }

/* ------------------------------------------------------------
   Animacje wejścia (appear) — spring bounce 0, odpalane RAZ
   ------------------------------------------------------------ */

.appear {
  opacity: 0;
  transform: translateY(20px);
}
.appear.widoczny {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.6s,
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.6s;
}
.appear-badge {
  opacity: 0.1;
  transform: translateX(-320px) rotate(45deg);
}
.appear-badge.widoczny {
  transform: translateX(0) rotate(45deg);
  transition: transform 1.2s cubic-bezier(0.22, 1, 0.36, 1) 0.4s;
}

/* ------------------------------------------------------------
   Mobile <810: dyskretny wariant (bez interpolacji)
   ------------------------------------------------------------ */

@media (max-width: 809.98px) {
  .sekcja { padding-left: var(--section-pad-x-mobile); padding-right: var(--section-pad-x-mobile); }

  .h1-hero { font-size: 44px; line-height: 44px; }
  .h1, .h2 { font-size: 32px; line-height: 36px; }
  .stat-liczba { font-size: 44px; line-height: 44px; }
  .nazwa-652 { font-size: 24px; line-height: 28px; }

  /* pigułka nav: wyspa rozlewa się na szerokość, radius = ½ wysokości */
  .naglowek { padding-top: 8px; width: calc(100vw - 48px); }
  .nav-pigulka {
    width: 100%;
    height: 52px;
    padding: 16px 20px;
    border-radius: 28px;
  }
  .nav-linki, .nav-cta { display: none; }
  .nav-hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 4px 0;
  }
  .nav-hamburger span { display: block; width: 18px; height: 2px; background: var(--text-primary); }

  .menu-mobilne.otwarte { display: flex; }
  .menu-mobilne .zamknij { align-self: flex-end; font-size: 28px; line-height: 1; padding: 8px; }
  .menu-mobilne nav a {
    display: block;
    font-size: 32px;
    line-height: 84px;
    font-weight: var(--wght-ui);
    color: var(--text-primary);
    text-align: left;
  }
  .menu-mobilne .btn-primary {
    width: 100%;
    height: 72px;
    font-size: 22px;
    margin-top: 24px;
  }

  .siatka-2kol, .siatka-3kol { grid-template-columns: 1fr; gap: 40px; }

  /* opinie zostają w rzędzie przewijanym poziomo */
  .masonry-opinie {
    display: flex;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 8px;
  }
  .masonry-opinie .kolumna { display: flex; flex-direction: row; gap: var(--card-gap-3col); }

  .product-cover { border-radius: var(--r-card-lg); }
  .product-cover img { height: 440px; }

  .scrolly { height: 2400px; }
  .scrolly .ikona-dryf { width: 56px; height: 56px; font-size: 18px; border-radius: 13px; }

  .mozaika .rzad { gap: 32px; margin-bottom: 28px; }
  .mozaika .ikona { width: 48px; height: 48px; font-size: 17px; border-radius: 11px; }

  .stopka { height: auto; padding: 84px 20px 40px; }
  .stopka .gora { flex-direction: column; }
  .stopka .kolumny { flex-direction: column; gap: 40px; }
  .stopka .dol { flex-direction: column; gap: 16px; margin-top: 40px; }

  :root { --stopka-h: 572px; }
}

/* tablet 810–1199: layout desktopowy tylko się zwęża */
@media (min-width: 810px) and (max-width: 1199.98px) {
  .siatka-3kol { gap: 20px; }
  .masonry-opinie { grid-template-columns: repeat(2, 302px); }
}