/* ==========================================================================
   GranitLab – komponenty: nagłówek, nawigacja, przyciski, karty, menu, stopka
   ========================================================================== */

/* ---------- Nagłówek ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--dur-2) var(--ease),
    border-color var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease);
}

.site-header.is-scrolled {
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  border-bottom-color: var(--border);
  box-shadow: 0 10px 30px color-mix(in srgb, #0b0f14 18%, transparent);
}

:root[data-theme='light'] .site-header.is-scrolled {
  box-shadow: 0 8px 24px rgb(19 25 32 / 0.05);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header.is-scrolled {
    background: color-mix(in srgb, var(--bg) 96%, transparent);
  }
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* Kolejność: [nawigacja] [Kontakt] | [język] [motyw] [menu]. Kontakt stoi przy nawigacji,
   a przełączniki są oddzielone kreską, żeby przycisk nie „kleił się” do zmiany motywu. */
.site-header .site-header__cta,
.site-header__divider {
  display: none;
}

.site-header__divider {
  width: 1px;
  height: 22px;
  margin-inline: 6px;
  background: var(--border-strong);
}

@media (min-width: 576px) {
  .site-header .site-header__cta {
    display: inline-flex;
  }

  .site-header__divider {
    display: block;
  }
}

/* Marka */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: -0.035em;
  line-height: 1;
}

.brand__mark {
  width: 26px;
  height: 26px;
  transition: transform var(--dur-3) var(--ease-spring);
}

.brand:hover .brand__mark {
  transform: rotate(90deg);
}

.brand__word > span {
  color: var(--accent-text);
}

/* Nawigacja */
.nav {
  display: none;
  margin-left: auto;
}

@media (min-width: 992px) {
  .nav {
    display: block;
  }

  .nav ~ .site-header__actions {
    margin-left: 10px;
  }
}

.nav__list {
  display: flex;
  gap: 2px;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition:
    color var(--dur-1) var(--ease),
    background-color var(--dur-1) var(--ease);
}

.nav__link:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

.nav__link[aria-current='true'] {
  color: var(--text);
}

.nav__link[aria-current='true']::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 1px;
  width: 4px;
  height: 4px;
  margin-left: -2px;
  border-radius: 1px;
  background: var(--brand);
}

/* Przełącznik języka */
.lang-switch {
  display: inline-grid;
  place-items: center;
  min-width: 40px;
  height: 40px;
  padding-inline: 8px;
  border-radius: var(--radius-pill);
  color: var(--text-3);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease);
}

.lang-switch:hover {
  color: var(--text);
}

/* Przyciski-ikony */
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  color: var(--text-2);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
  transition:
    color var(--dur-1) var(--ease),
    border-color var(--dur-1) var(--ease),
    background-color var(--dur-1) var(--ease);
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface);
}

.icon-btn .icon {
  width: 18px;
  height: 18px;
}

/* Przełącznik motywu – widoczny tylko z JS */
.theme-toggle {
  display: none;
}

.js .theme-toggle {
  display: inline-grid;
}

.theme-toggle .icon {
  grid-area: 1 / 1;
  transition:
    transform var(--dur-2) var(--ease-spring),
    opacity var(--dur-1) var(--ease);
}

.theme-toggle__moon {
  opacity: 0;
  transform: rotate(-70deg) scale(0.4);
}

:root[data-theme='light'] .theme-toggle__sun {
  opacity: 0;
  transform: rotate(90deg) scale(0.4);
}

:root[data-theme='light'] .theme-toggle__moon {
  opacity: 1;
  transform: none;
}

/* Burger – tylko mobile i tylko z JS */
.nav-toggle {
  display: none;
}

.js .nav-toggle {
  display: inline-grid;
}

@media (min-width: 992px) {
  .js .nav-toggle {
    display: none;
  }
}

/* ---------- Przyciski ---------- */
.btn {
  --btn-shadow: none;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.005em;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  box-shadow: var(--btn-shadow);
  transition:
    transform var(--dur-1) var(--ease),
    background-color var(--dur-1) var(--ease),
    border-color var(--dur-1) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    color var(--dur-1) var(--ease);
}

.btn .icon {
  width: 18px;
  height: 18px;
}

.btn .icon--arrow {
  transition: transform var(--dur-2) var(--ease-out);
}

.btn:hover .icon--arrow {
  transform: translateX(4px);
}

.btn--primary {
  --btn-shadow: inset 0 1px 0 rgb(255 255 255 / 0.22), 0 1px 2px rgb(0 0 0 / 0.25);
  background: var(--cta-bg);
  color: var(--cta-fg);
}

.btn--primary:hover {
  --btn-shadow: inset 0 1px 0 rgb(255 255 255 / 0.3), var(--shadow-cta);
  transform: translateY(-1px);
}

.btn--primary:active {
  background: var(--cta-bg-active);
  transform: translateY(0) scale(0.985);
}

.btn--ghost {
  color: var(--text);
  border-color: var(--border-strong);
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}

.btn--ghost:hover {
  border-color: color-mix(in srgb, var(--brand) 60%, var(--border-strong));
  background: color-mix(in srgb, var(--brand) 9%, var(--surface));
  transform: translateY(-1px);
}

.btn--ghost:active {
  transform: translateY(0) scale(0.985);
}

.btn--ghost.is-copied {
  border-color: color-mix(in srgb, var(--check) 70%, transparent);
}

.btn--lg {
  min-height: 54px;
  padding: 14px 24px;
  font-size: 1.0625rem;
  border-radius: 12px;
}

.btn--sm {
  min-height: 38px;
  padding: 8px 15px;
  font-size: 0.875rem;
}

.btn--block {
  width: 100%;
}

/* ---------- Nagłówek sekcji ---------- */
.section-head {
  display: grid;
  gap: 18px;
  max-width: 780px;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.section-head h2 {
  max-width: 21ch;
}

/* ---------- Chipy ---------- */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.3;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
}

/* ---------- Karty (bento) ---------- */
.card {
  --mx: -999px;
  --my: -999px;
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: clamp(22px, 2.6vw, 32px);
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  background: var(--card-bg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition:
    transform var(--dur-2) var(--ease),
    box-shadow var(--dur-2) var(--ease),
    border-color var(--dur-2) var(--ease);
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(360px circle at var(--mx) var(--my), color-mix(in srgb, var(--brand) 11%, transparent), transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-2) var(--ease);
  pointer-events: none;
}

.card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(260px circle at var(--mx) var(--my), color-mix(in srgb, var(--brand) 85%, transparent), transparent 70%);
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000 0 0) content-box exclude,
    linear-gradient(#000 0 0);
  opacity: 0;
  transition: opacity var(--dur-2) var(--ease);
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  [data-spotlight]:hover .card::after {
    opacity: 1;
  }

  .card:hover::before {
    opacity: 1;
  }

  .card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
  }
}

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

.card__icon {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: var(--link);
  background: color-mix(in srgb, var(--brand) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand) 26%, transparent);
}

.card__icon .icon {
  width: 22px;
  height: 22px;
}

.card__index {
  color: var(--text-3);
}

.card__title {
  font-size: clamp(1.45rem, 1.2rem + 0.9vw, 1.85rem);
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.card__pe {
  display: grid;
  gap: 12px;
}

.card__pe > div {
  display: grid;
  gap: 4px;
}

.card__pe dt {
  color: var(--text-3);
  font-size: 0.7rem;
}

.card__pe dd {
  margin: 0;
  color: var(--text-2);
  font-size: 0.975rem;
  line-height: 1.55;
}

.card__pe > div + div dd {
  color: var(--text);
}

@media (min-width: 480px) {
  .card__pe > div {
    grid-template-columns: 78px 1fr;
    gap: 14px;
  }

  .card__pe dt {
    padding-top: 4px;
  }
}

.card .chips {
  margin-top: auto;
  padding-top: 4px;
}

/* ---------- Status (pulsująca kropka) ---------- */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--status) 55%, transparent);
  animation: gl-pulse 2.4s var(--ease) infinite;
}

/* ---------- Menu mobilne (dialog) ---------- */
.sheet {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  padding: 0 var(--gutter) calc(24px + env(safe-area-inset-bottom));
  border: 0;
  background: var(--bg);
  color: var(--text);
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.sheet[open] {
  display: flex;
  animation: gl-sheet var(--dur-2) var(--ease-out);
}

.sheet::backdrop {
  background: rgb(8 11 15 / 0.5);
}

.sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
}

.sheet__nav {
  margin-top: 16px;
}

.sheet__list a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 8vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.1;
  text-decoration: none;
  color: var(--text);
}

.sheet__list .mono {
  color: var(--link);
  min-width: 2.2em;
}

.sheet__foot {
  display: grid;
  gap: 16px;
  margin-top: auto;
  padding-top: 32px;
  justify-items: center;
}

.sheet__mail {
  color: var(--text-3);
  text-decoration: none;
  text-transform: none;
}

:root:has(.sheet[open]) {
  overflow: hidden;
}

/* ---------- Stopka ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  padding-top: clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--border);
  font-size: var(--fs-small);
}

.site-footer__top {
  display: grid;
  gap: 36px;
}

@media (min-width: 768px) {
  .site-footer__top {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
  }
}

.site-footer__brand {
  display: grid;
  gap: 16px;
  align-content: start;
  max-width: 36ch;
}

.site-footer__brand p {
  color: var(--text-2);
}

.site-footer__label {
  color: var(--text-3);
  margin-bottom: 14px;
}

.site-footer__nav ul,
.site-footer__contact ul {
  display: grid;
  gap: 10px;
}

.site-footer a:not(.brand) {
  color: var(--text-2);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease);
}

.site-footer a:not(.brand):hover {
  color: var(--text);
  text-decoration: underline;
}

.site-footer__legal {
  display: grid;
  gap: 12px;
  margin-top: clamp(40px, 6vw, 64px);
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--text-3);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.site-footer__legal strong {
  color: var(--text-2);
  font-weight: 600;
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
}

.site-footer__giant {
  margin: clamp(24px, 4vw, 48px) 0 0;
  text-align: center;
  white-space: nowrap;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4.2rem, 21.5vw, 22rem);
  line-height: 0.74;
  letter-spacing: -0.065em;
  color: transparent;
  background: linear-gradient(180deg, var(--surface-3) 0%, color-mix(in srgb, var(--surface-3) 0%, transparent) 88%);
  -webkit-background-clip: text;
  background-clip: text;
  user-select: none;
  pointer-events: none;
  translate: 0 0.08em;
}

/* ---------- Podstrony: dokumenty (polityka prywatności) ---------- */
.page-head {
  padding-top: calc(var(--header-h) + clamp(40px, 7vw, 88px));
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-head h1 {
  font-size: clamp(2.4rem, 1.4rem + 4vw, 4.2rem);
  margin-top: 14px;
}

.page-head__meta {
  margin-top: 18px;
  color: var(--text-3);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-2);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
}

.back-link .icon {
  width: 18px;
  height: 18px;
  transform: scaleX(-1);
  transition: translate var(--dur-2) var(--ease-out);
}

.back-link:hover {
  color: var(--text);
}

.back-link:hover .icon {
  translate: -3px 0;
}

.prose {
  max-width: 72ch;
  padding-bottom: var(--section-pad);
  color: var(--text-2);
  font-size: 1.02rem;
  line-height: 1.7;
}

.prose h2 {
  margin: 2.4em 0 0.7em;
  font-size: clamp(1.35rem, 1.15rem + 0.8vw, 1.75rem);
  letter-spacing: -0.025em;
}

.prose p,
.prose ul {
  margin: 0 0 1em;
}

.prose ul {
  padding-left: 1.2em;
}

.prose li {
  margin-bottom: 0.45em;
}

.prose li::marker {
  color: var(--link);
}

.prose a {
  color: var(--link);
}

.prose strong {
  color: var(--text);
  font-weight: 600;
}

.prose code {
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.prose .callout {
  margin: 1.4em 0;
  padding: 18px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
}

/* ---------- Strona 404 ---------- */
.not-found {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  align-content: center;
  padding-top: var(--header-h);
  padding-bottom: 48px;
}

.not-found::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(circle at 1px 1px, var(--field-dot) 1.1px, transparent 1.6px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(60% 60% at 75% 45%, #000, transparent 75%);
  mask-image: radial-gradient(60% 60% at 75% 45%, #000, transparent 75%);
}

.not-found__code {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(6rem, 3rem + 16vw, 14rem);
  line-height: 0.85;
  letter-spacing: -0.07em;
  color: transparent;
  background: linear-gradient(135deg, var(--brand-300), var(--brand) 45%, var(--teal-2));
  -webkit-background-clip: text;
  background-clip: text;
}

.not-found h1 {
  margin-top: 18px;
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3.2rem);
}

.not-found .lead {
  margin-top: 16px;
}

.not-found__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}