/* ==========================================================================
   GIBI — Design System
   Energia (OZE) / Sen (Łóżka) / Budowa — jedna marka, trzy filary.
   ========================================================================== */

@import url('../fonts/fonts.css');

:root {
  /* --- Kolory podstawowe --- */
  --c-graphite: #0E1512;
  --c-graphite-2: #14211C;
  --c-green: #14C79A;
  --c-green-dark: #0E7C5A;
  --c-cream: #E9F3EE;
  --c-paper: #F4F2EC;
  --c-paper-alt: #EEEBE2;

  /* --- Tekst --- */
  --c-text-on-dark: #E9F3EE;
  --c-text-on-dark-secondary: #8fa39a;
  --c-text-on-dark-tertiary: #5c6f66;
  --c-text-hero-p: #a9bcb3;
  --c-text-body: #4a473f;
  --c-text-muted: #6b6860;
  --c-text-muted-2: #9a978d;
  --c-heading: #14211C;

  /* --- Obrysy --- */
  --c-border: #e3e0d6;
  --c-border-2: #dcd9cf;

  /* --- Linie biznesowe / specjalizacje --- */
  --c-amber: #F2A93B;   /* Fotowoltaika i Magazyny Energii */
  --c-blue: #5B8DEF;    /* Pompy Ciepła i Klimatyzacja */
  --c-brick: #E4633E;   /* Termomodernizacja */
  --c-violet: #8B6FE8;  /* Instalacje Elektryczne */
  --c-teal: #3E8F8A;    /* Agregaty Prądotwórcze */
  --c-steel: #7A93A6;   /* Carporty */

  /* --- Typografia --- */
  --f-display: 'Space Grotesk', sans-serif;
  --f-body: 'Manrope', sans-serif;
  --f-mono: 'JetBrains Mono', monospace;

  /* --- Promienie --- */
  --r-card: 16px;
  --r-card-sm: 14px;
  --r-tile: 18px;
  --r-pill: 999px;

  /* --- Cienie --- */
  --shadow-card: 0 12px 30px rgba(30,28,20,0.07);
  --shadow-card-sm: 0 8px 22px rgba(30,28,20,0.06);
  --shadow-dark: 0 16px 34px rgba(0,0,0,0.28);

  /* --- Odstępy / kontener --- */
  --container-w: 1180px;
  --gutter: clamp(20px, 5vw, 88px);

  /* --- Ruch --- */
  --ease: cubic-bezier(.22,.9,.3,1);
  --dur-fast: .2s;
  --dur: .45s;
  --dur-slow: .8s;

  color-scheme: dark;
}

@view-transition {
  navigation: auto;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  font-family: var(--f-body);
  background: var(--c-graphite);
  color: var(--c-text-on-dark);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--c-green); text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; }
input, textarea, select { font: inherit; }
h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  color: var(--c-text-on-dark);
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: pretty balance;
}
::selection { background: var(--c-green); color: var(--c-graphite); }

:focus-visible {
  outline: 2px solid var(--c-green);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Layout utilities
   ========================================================================== */
.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(64px, 9vw, 112px); }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }
.section--dark { background: var(--c-graphite); color: var(--c-text-on-dark); }
.section--alt { background: var(--c-graphite-2); }
.section--border-b { border-bottom: 1px solid rgba(20,199,154,.18); }

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-green);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 22px; height: 1.5px;
  background: currentColor;
  display: inline-block;
}

h2.section-title {
  font-size: clamp(28px, 4vw, 34px);
  margin-bottom: 16px;
}
.section-lede {
  max-width: 620px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-text-hero-p);
}
.section-head { margin-bottom: 48px; }
.section-head--center { text-align: center; margin-inline: auto; }
.section-head--center .section-lede { margin-inline: auto; }

.text-accent { color: var(--c-green); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-body);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: var(--r-pill);
  border: none;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
  position: relative;
}
.btn svg { width: 18px; height: 18px; transition: transform var(--dur-fast) var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn:active { transform: scale(.97); }

.btn--primary { background: var(--c-green); color: var(--c-graphite); }
.btn--primary:hover { background: #1adcac; box-shadow: 0 10px 26px rgba(20,199,154,.35); transform: translateY(-2px); }

/* Strona główna — przycisk w hero z gradientem, w tym samym duchu co nagłówek */
.hero--full .btn--primary {
  background: linear-gradient(100deg, #a9f5df 0%, var(--c-green) 60%);
}
.hero--full .btn--primary:hover {
  background: linear-gradient(100deg, #c6f9ec 0%, #1adcac 60%);
  box-shadow: 0 10px 26px rgba(20,199,154,.35);
  transform: translateY(-2px);
}

.btn--graphite { background: var(--c-graphite); color: var(--c-cream); }
.btn--graphite:hover { background: #1b2b24; transform: translateY(-2px); }

.btn--outline { border: 1.5px solid var(--c-graphite); color: var(--c-graphite); background: transparent; padding: 11.5px 24px; }
.btn--outline:hover { background: var(--c-graphite); color: var(--c-cream); }

.btn--outline-light { border: 1.5px solid rgba(255,255,255,.28); color: var(--c-cream); background: transparent; padding: 11.5px 24px; }
.btn--outline-light:hover { border-color: var(--c-green); background: rgba(20,199,154,.08); }

.btn--link { color: var(--c-green); font-weight: 700; padding: 12px 4px; background: none; }
.btn--link span { border-bottom: 2px solid transparent; transition: border-color var(--dur-fast) var(--ease); }
.btn--link:hover span { border-color: var(--c-green); }

.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--block { width: 100%; justify-content: center; }

/* ==========================================================================
   Nav
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(14,21,18,.92);
  backdrop-filter: blur(10px) saturate(1.4);
  -webkit-backdrop-filter: blur(10px) saturate(1.4);
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: padding var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px var(--gutter);
  max-width: var(--container-w);
  margin-inline: auto;
  transition: padding var(--dur-fast) var(--ease);
}
.is-scrolled .nav { padding-block: 14px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand__mark { width: 32px; height: 32px; flex: none; }
.brand__word {
  font-family: var(--f-display); font-weight: 700; font-size: 20px;
  color: var(--c-text-on-dark);
  transform: skewX(-9deg); display: inline-block; line-height: 1;
}

.nav__right { display: flex; align-items: center; }
.nav__links { display: flex; align-items: center; gap: 8px; }
.nav__link {
  color: var(--c-text-on-dark-secondary);
  font-size: 14px; font-weight: 600;
  padding: 9px 14px; border-radius: var(--r-pill);
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
  position: relative;
}
.nav__link:hover { color: var(--c-text-on-dark); background: rgba(255,255,255,.06); }
.nav__link.is-active { color: var(--c-green); }
.nav__link.is-active::after {
  content: '';
  position: absolute; left: 14px; right: 14px; bottom: 3px;
  height: 2px; background: var(--c-green); border-radius: 2px;
}
.nav__cta { margin-left: 8px; }

/* ---- Dropdown „Oferta" ---- */
.nav__item-dropdown { position: relative; }
.nav__link--trigger { display: inline-flex; align-items: center; gap: 6px; border: none; background: none; font: inherit; cursor: pointer; }
.nav__link--trigger svg { width: 14px; height: 14px; transition: transform var(--dur-fast) var(--ease); }
.nav__item-dropdown.is-open .nav__link--trigger svg { transform: rotate(180deg); }
.nav__dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: 50%; transform: translateX(-50%) translateY(6px);
  width: 320px; background: var(--c-graphite); border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px; padding: 10px; box-shadow: var(--shadow-dark);
  opacity: 0; pointer-events: none; transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  z-index: 120;
}
.nav__item-dropdown.is-open .nav__dropdown-menu { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.nav__dropdown-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; border-radius: 10px;
  color: var(--c-text-on-dark); font-size: 14px; font-weight: 600;
  transition: background-color var(--dur-fast) var(--ease);
}
.nav__dropdown-link:hover { background: rgba(255,255,255,.06); color: var(--c-text-on-dark); }
@media (max-width: 900px) {
  .nav__item-dropdown { width: 100%; }
  .nav__link--trigger { display: none; }
}

.nav__burger {
  display: none;
  width: 42px; height: 42px; border: none; background: none;
  color: var(--c-cream);
  align-items: center; justify-content: center;
  position: relative; z-index: 210;
}
.nav__burger span {
  position: absolute; top: 50%; left: 50%; width: 20px; height: 1.5px;
  background: currentColor; transform: translate(-50%, -50%);
  transition: background-color var(--dur-fast) var(--ease);
}
.nav__burger span::before, .nav__burger span::after {
  content: ''; position: absolute; left: 0; width: 20px; height: 1.5px; background: currentColor;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}
.nav__burger span::before { top: -7px; }
.nav__burger span::after { top: 7px; }
.mobile-open .nav__burger span { background: transparent; }
.mobile-open .nav__burger span::before { top: 0; transform: rotate(45deg); }
.mobile-open .nav__burger span::after { top: 0; transform: rotate(-45deg); }

.nav__panel-scrim { display: none; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__panel-scrim {
    display: block;
    position: fixed; inset: 0;
    background: var(--c-graphite);
    z-index: 200;
    opacity: 0; pointer-events: none;
    transition: opacity var(--dur) var(--ease);
  }
  .mobile-open .nav__panel-scrim { opacity: 1; pointer-events: auto; }
  .nav__panel-scrim .nav__links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
    padding: 110px var(--gutter) 40px;
    height: 100%; overflow-y: auto;
  }
  .nav__panel-scrim .nav__link {
    font-family: var(--f-display); font-size: 28px; font-weight: 700; color: var(--c-cream);
    padding: 10px 0; width: 100%;
    opacity: 0; transform: translateY(14px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }
  .mobile-open .nav__panel-scrim .nav__link { opacity: 1; transform: none; }
  .nav__panel-scrim .nav__link:nth-child(1) { transition-delay: .04s; }
  .nav__panel-scrim .nav__link:nth-child(2) { transition-delay: .07s; }
  .nav__panel-scrim .nav__link:nth-child(3) { transition-delay: .1s; }
  .nav__panel-scrim .nav__link:nth-child(4) { transition-delay: .13s; }
  .nav__panel-scrim .nav__link:nth-child(5) { transition-delay: .16s; }
  .nav__panel-scrim .nav__link:nth-child(6) { transition-delay: .19s; }
  .nav__panel-scrim .nav__link:nth-child(7) { transition-delay: .22s; }
  .nav__panel-scrim .nav__link:nth-child(8) { transition-delay: .25s; }
  .nav__panel-scrim .nav__link { font-size: 22px; }
  .nav__panel-scrim .nav__cta { margin-top: 24px; margin-left: 0; }
  .nav__panel-scrim .nav__cta {
    opacity: 0; transform: translateY(14px);
    transition: opacity var(--dur) var(--ease) .28s, transform var(--dur) var(--ease) .28s;
  }
  .mobile-open .nav__panel-scrim .nav__cta { opacity: 1; transform: none; }
  body.mobile-open { overflow: hidden; }
}

.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2.5px; width: 0%;
  background: var(--c-green); z-index: 300;
  transition: width .12s linear;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  background: var(--c-graphite);
  color: var(--c-text-on-dark);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero__pattern {
  position: absolute; inset: 0; z-index: -1;
  opacity: .7;
  background-image: radial-gradient(circle at 82% 8%, rgba(20,199,154,.22), transparent 55%),
                     radial-gradient(circle at 6% 60%, rgba(20,199,154,.16), transparent 50%),
                     radial-gradient(circle at 20% 95%, rgba(20,199,154,.1), transparent 45%);
}
/* Strona główna i podstrony ze zdjęciem/filmem — bez zielonej poświaty, czyste czarne przyciemnienie po lewej */
.hero--full .hero__pattern, .hero--photo .hero__pattern { display: none; }
.hero__mark-ghost {
  position: absolute; right: -8%; top: -18%;
  width: 46%; aspect-ratio: 1; opacity: .07; z-index: -1;
  animation: spin-slow 60s linear infinite;
}
/* Na hero ze zdjęciem znak chowamy po lewej, pod tekstem, przyciemniony */
.hero--photo .hero__mark-ghost {
  right: auto; left: -14%; top: 8%;
  width: 52%; opacity: .09;
}
@keyframes spin-slow { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .hero__mark-ghost { animation: none; } }

.hero__inner {
  padding-block: clamp(56px, 10vw, 104px);
}
.hero h1 {
  font-size: clamp(32px, 5.4vw, 46px);
  color: var(--c-text-on-dark);
  margin-bottom: 20px;
}
/* Strona główna — nieco skromniejsze napisy w hero (bez eyebrow nad tytułem) */
.hero--full h1 {
  font-size: clamp(28px, 4vw, 36px);
}
.hero__title-gradient {
  background-image: linear-gradient(100deg, #ffffff 0%, #ffffff 35%, var(--c-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.link-gradient-text {
  background-image: linear-gradient(90deg, #ffffff 0%, var(--c-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.hero--full p.lede {
  font-size: 15px;
}
.hero p.lede {
  color: var(--c-text-hero-p);
  font-size: clamp(16px, 2vw, 17px);
  line-height: 1.6;
  max-width: 560px;
  margin-bottom: 32px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__breadcrumb {
  font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em;
  color: var(--c-text-on-dark-tertiary); margin-bottom: 22px;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.hero__breadcrumb a { color: var(--c-text-on-dark-secondary); }
.hero__breadcrumb a:hover { color: var(--c-green); }

.page-hero { padding-block: clamp(44px, 7vw, 72px) clamp(56px, 8vw, 88px); }

/* ---- Hero z fotografią na całą szerokość (kategorie usług) ---- */
.hero--photo .hero__grid {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 540px;
}
/* Wariant na pełny ekran (strona główna) — hero + nagłówek wypełniają jeden ekran */
.hero--full .hero__grid {
  min-height: calc(100vh - 80px);
  min-height: calc(100dvh - 80px);
}
.hero__photo {
  position: absolute; inset: 0; z-index: -2;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-color: #0b100d;
}
.hero__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
@media (max-width: 900px) {
  /* Na telefonach zostawiamy statyczną klatkę (poster) — oszczędność transferu i baterii */
  .hero__video { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__video { display: none; }
}
.hero__photo::after {
  content: '';
  position: absolute; inset: 0;
  /* Ciemno po lewej (pod tekstem), stopniowo jaśniej w prawo — prawa strona też mocniej przyciemniona */
  background: linear-gradient(90deg,
    var(--c-graphite) 0%,
    rgba(14,21,18,.98) 22%,
    rgba(14,21,18,.92) 40%,
    rgba(14,21,18,.8) 56%,
    rgba(14,21,18,.62) 72%,
    rgba(14,21,18,.48) 88%,
    rgba(14,21,18,.38) 100%
  );
}
.hero--photo .hero__copy {
  /* lewy margines dopasowany do wyśrodkowanego kontenera nav (max-width: --container-w),
     tak żeby tekst zaczynał się dokładnie pod logo niezależnie od szerokości ekranu.
     Uwaga: max-width NIE jest tu ustawiany na całym bloku —
     szerokość linii tekstu ograniczają h1/p.lede indywidualnie. */
  padding-left: max(var(--gutter), calc((100vw - var(--container-w)) / 2 + var(--gutter)));
  padding-right: clamp(16px, 2vw, 24px);
  padding-block: clamp(52px, 9vw, 92px);
}
@media (max-width: 900px) {
  .hero--photo .hero__grid { align-items: flex-end; min-height: 620px; }
  .hero--full .hero__grid { min-height: calc(100vh - 64px); min-height: calc(100dvh - 64px); }
  .hero__photo::after {
    /* Na mobile pion: jaśniej u góry, ciemno u dołu pod tekstem — całość mocniej przyciemniona */
    background: linear-gradient(0deg,
      var(--c-graphite) 0%,
      rgba(14,21,18,.98) 22%,
      rgba(14,21,18,.86) 40%,
      rgba(14,21,18,.6) 60%,
      rgba(14,21,18,.32) 80%,
      rgba(14,21,18,.16) 100%
    );
  }
  .hero--photo .hero__copy { padding: 24px var(--gutter) 40px; max-width: none; }
}

/* ---- Ikona przy tytule podstrony ---- */
.page-icon {
  width: 46px; height: 46px; border-radius: 13px;
  background: var(--c-green); flex: none;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.page-icon svg { width: 24px; height: 24px; color: var(--c-graphite); }

/* ---- Galeria realizacji ---- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
.gallery-grid__item {
  aspect-ratio: 4/3; border-radius: 14px; overflow: hidden;
  background-size: cover; background-position: center;
  position: relative;
  border: 1px solid rgba(255,255,255,.08);
  cursor: zoom-in;
  transition: transform var(--dur) var(--ease);
}
.gallery-grid__item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease); }
.gallery-grid__item:hover img { transform: scale(1.06); }
.gallery-grid__item::after {
  content: ''; position: absolute; inset: 0;
  background: rgba(14,21,18,0);
  transition: background var(--dur-fast) var(--ease);
}
.gallery-grid__item:hover::after { background: rgba(14,21,18,.18); }
.gallery-grid__item:hover { transform: translateY(-3px); }

/* ---- Lightbox: powiększenie zdjęć z galerii realizacji ---- */
.lightbox {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(6,10,8,.92);
  display: flex; align-items: center; justify-content: center;
  padding: 48px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur) var(--ease);
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox__img {
  max-width: 100%; max-height: 100%;
  border-radius: 12px;
  box-shadow: var(--shadow-dark);
  cursor: default;
  transform: scale(.97);
  transition: transform var(--dur) var(--ease);
}
.lightbox.is-open .lightbox__img { transform: scale(1); }
.lightbox__close {
  position: absolute; top: 20px; right: 20px;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  color: var(--c-cream);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background var(--dur-fast) var(--ease);
}
.lightbox__close:hover { background: rgba(255,255,255,.16); }
@media (max-width: 640px) {
  .lightbox { padding: 20px; }
  .lightbox__close { top: 10px; right: 10px; }
}

/* ==========================================================================
   Reveal / scroll animations
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal-group] > * {
  opacity: 0; transform: translateY(24px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
[data-reveal-group].is-visible > * { opacity: 1; transform: none; }
[data-reveal-group].is-visible > *:nth-child(1) { transition-delay: .04s; }
[data-reveal-group].is-visible > *:nth-child(2) { transition-delay: .1s; }
[data-reveal-group].is-visible > *:nth-child(3) { transition-delay: .16s; }
[data-reveal-group].is-visible > *:nth-child(4) { transition-delay: .22s; }
[data-reveal-group].is-visible > *:nth-child(5) { transition-delay: .28s; }
[data-reveal-group].is-visible > *:nth-child(6) { transition-delay: .34s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-group] > * { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-card-sm);
  box-shadow: var(--shadow-card-sm);
  padding: 26px 26px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,.35); background: rgba(255,255,255,.055); }
.card .btn--link { margin-top: auto; align-self: flex-start; }
.card__icon {
  width: 52px; height: 52px; border-radius: var(--r-tile);
  background: var(--c-graphite);
  border: 1px solid rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; flex: none;
  transition: transform var(--dur) var(--ease);
}
.card:hover .card__icon { transform: rotate(-6deg) scale(1.05); }
.card__icon svg { width: 26px; height: 26px; color: var(--c-green); }
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p { color: var(--c-text-on-dark-secondary); font-size: 14.5px; line-height: 1.6; }

.card--dark {
  background: var(--c-graphite); color: var(--c-text-on-dark);
  border: 1px solid rgba(255,255,255,.06);
}
.card--dark h3 { color: var(--c-text-on-dark); }
.card--dark p { color: var(--c-text-on-dark-secondary); }

/* Podgląd zdjęcia produktu po najechaniu na kafelek */
.card--tile-photo { position: relative; overflow: hidden; }
.card--tile-photo::before {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(20deg, rgba(14,21,18,.95) 15%, rgba(14,21,18,.65) 55%, rgba(14,21,18,.4) 100%), var(--tile-img);
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity .45s ease, transform .6s ease;
}
.card--tile-photo:hover::before,
.card--tile-photo:focus-visible::before { opacity: 1; transform: scale(1); }
.card--tile-photo > * { position: relative; z-index: 1; }

.tag {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: var(--r-pill);
  border: 1px solid var(--c-border);
  color: var(--c-text-muted);
}
.section--dark .tag, .hero .tag {
  background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); color: var(--c-text-on-dark);
}

/* ==========================================================================
   Stats
   ========================================================================== */
.stat { text-align: center; }
.stat__num {
  font-family: var(--f-display); font-weight: 700;
  font-size: clamp(36px, 5vw, 52px);
  color: var(--c-green);
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--c-text-on-dark-secondary); margin-top: 10px;
}

/* ==========================================================================
   Process steps
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding-top: 8px; }
.step__num {
  font-family: var(--f-mono); font-size: 13px; color: var(--c-green);
  display: block; margin-bottom: 14px;
}
@media (min-width: 901px) {
  .step:not(:first-child)::before {
    content: '';
    position: absolute; top: 15px; left: -12px; width: 12px; height: 1px;
    background: rgba(20,199,154,.35);
  }
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--c-text-on-dark-secondary); line-height: 1.6; }

/* ==========================================================================
   FAQ accordion
   ========================================================================== */
.faq { max-width: 760px; margin-inline: auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-card-sm);
  overflow: hidden;
}
.faq-item__q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: none; border: none; text-align: left;
  padding: 20px 24px;
  font-family: var(--f-display); font-weight: 600; font-size: 16.5px; color: var(--c-text-on-dark);
}
.faq-item__q svg { width: 20px; height: 20px; color: var(--c-green); flex: none; transition: transform var(--dur) var(--ease); }
.faq-item.is-open .faq-item__q svg { transform: rotate(180deg); }
.faq-item__a {
  display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--dur) var(--ease);
}
.faq-item__a > div { overflow: hidden; }
.faq-item__a p { padding: 0 24px 22px; color: var(--c-text-on-dark-secondary); font-size: 15px; line-height: 1.65; max-width: 640px; }
.faq-item.is-open .faq-item__a { grid-template-rows: 1fr; }

/* ==========================================================================
   Forms
   ========================================================================== */
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field label {
  font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--c-text-on-dark-tertiary);
}
.field input, .field textarea, .field select {
  border: 1.5px solid rgba(255,255,255,.14); border-radius: 10px;
  padding: 13px 16px; font-size: 15px; color: var(--c-text-on-dark);
  background: rgba(255,255,255,.04);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--c-text-on-dark-tertiary); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--c-green); box-shadow: 0 0 0 4px rgba(20,199,154,.15); background: rgba(255,255,255,.06);
}
.field select option { background: var(--c-graphite); color: var(--c-text-on-dark); }
.field textarea { resize: vertical; min-height: 120px; }
.field--row { flex-direction: row; align-items: flex-start; gap: 10px; }
.field--row input { width: auto; margin-top: 3px; accent-color: var(--c-green); }
.field--row label { text-transform: none; font-family: var(--f-body); font-size: 13.5px; letter-spacing: 0; line-height: 1.5; color: var(--c-text-on-dark-secondary); }
.field--row a { color: var(--c-green); font-weight: 700; }
.field-error { color: #ff8a70; font-size: 12.5px; font-family: var(--f-mono); display: none; }
.field.has-error input, .field.has-error textarea { border-color: #ff8a70; }
.field.has-error .field-error { display: block; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; pointer-events: none; }

.form-status {
  display: none; align-items: center; gap: 12px;
  padding: 16px 18px; border-radius: 12px; font-size: 14.5px; font-weight: 600;
  margin-top: 18px;
}
.form-status.is-visible { display: flex; }
.form-status--ok { background: rgba(20,199,154,.1); color: var(--c-green); border: 1px solid rgba(20,199,154,.3); }
.form-status--err { background: rgba(228,99,62,.12); color: #ff8a70; border: 1px solid rgba(228,99,62,.35); }
.form-status svg { width: 20px; height: 20px; flex: none; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--c-graphite); color: var(--c-text-on-dark-secondary); }
.site-footer a { color: var(--c-text-on-dark-secondary); transition: color var(--dur-fast) var(--ease); }
.site-footer a:hover { color: var(--c-green); }
.footer__top { padding-block: 64px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; }
@media (max-width: 900px) { .footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__top { grid-template-columns: 1fr; } }
.footer__brand p { font-size: 14px; line-height: 1.65; max-width: 300px; margin-top: 16px; }
.footer__heading {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-text-on-dark-tertiary); margin-bottom: 16px;
}
.footer__links { display: flex; flex-direction: column; gap: 11px; font-size: 14.5px; }
.footer__lines { display: flex; flex-direction: column; gap: 13px; font-size: 14.5px; }
.footer__lines li { display: flex; align-items: center; gap: 10px; }
.footer__contact { display: flex; flex-direction: column; gap: 12px; font-size: 14.5px; }
.footer__contact .mono { font-family: var(--f-mono); font-size: 13.5px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-block: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 13px; color: var(--c-text-on-dark-tertiary);
}
.footer__bottom-links { display: flex; gap: 22px; }

/* ==========================================================================
   Back to top
   ========================================================================== */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--c-graphite); color: var(--c-green);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow-dark);
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur-fast);
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: #1b2b24; }
.to-top svg { width: 20px; height: 20px; }

/* ==========================================================================
   Misc components
   ========================================================================== */
.divider-fade { height: 2px; background: linear-gradient(90deg, var(--c-green), transparent); }

.pattern-block {
  position: relative; overflow: hidden; background: var(--c-graphite); border-radius: var(--r-card);
  border: 1px solid rgba(255,255,255,.06);
}
.pattern-block__grid {
  position: absolute; inset: 0; opacity: .18;
  background-image:
    repeating-linear-gradient(0deg, rgba(20,199,154,.5) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(20,199,154,.5) 0 1px, transparent 1px 64px);
}

/* ---- Sekcja z siatką "panelu słonecznego" — linie migoczące przy scrollu ---- */
.section--grid { position: relative; overflow: hidden; isolation: isolate; border-top: 2px solid var(--c-green); }
.section--grid__lines {
  position: absolute; inset: -60px; z-index: -1;
  opacity: .22;
  background-image:
    repeating-linear-gradient(0deg, rgba(20,199,154,.65) 0 1.5px, transparent 1.5px 58px),
    repeating-linear-gradient(90deg, rgba(20,199,154,.65) 0 1.5px, transparent 1.5px 58px);
}
.section--grid__shine {
  position: absolute; inset: 22% 38%; z-index: -1;
  background: radial-gradient(closest-side, rgba(20,199,154,.16), transparent 70%);
  opacity: .5;
  mix-blend-mode: screen;
  pointer-events: none;
  will-change: transform;
}
.card--dark .btn--link { color: var(--c-green); }

/* Przygaszony wariant siatki — sekcje drugorzędne (statystyki, CTA), żeby nie konkurować z #oferta */
.section--grid--subtle .section--grid__lines { opacity: .1; }
.section--grid--subtle .section--grid__shine { opacity: .18; }

.list-check { display: flex; flex-direction: column; gap: 14px; }
.list-check li { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; line-height: 1.55; }
.list-check svg { width: 20px; height: 20px; color: var(--c-green); flex: none; margin-top: 1px; }

.mono-label {
  font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--c-text-on-dark-tertiary);
}

.marquee-lines {
  display: flex; align-items: center; gap: 28px; flex-wrap: wrap;
  font-family: var(--f-mono); font-size: 12.5px; letter-spacing: .08em; color: var(--c-text-on-dark-tertiary);
}
.marquee-lines span { display: flex; align-items: center; gap: 8px; }

/* Skip link */
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 400;
  background: var(--c-green); color: var(--c-graphite); font-weight: 700;
  padding: 10px 18px; border-radius: 10px;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 12px; }

/* Utility */
.u-mt-0 { margin-top: 0; }
.u-flex { display: flex; }
.u-items-center { align-items: center; }
.u-gap-12 { gap: 12px; }
.u-text-center { text-align: center; }
.u-max-w-560 { max-width: 560px; }
.u-max-w-680 { max-width: 680px; }
@media (max-width: 640px) {
  .hero__actions .btn, .hero__actions a { width: 100%; justify-content: center; }
  .hero__actions { flex-direction: column; }
}