/* ==========================================================================
   Fundacja Ad Meliora Tempora — arkusz stylów
   Paleta i typografia inspirowane blavatnikfoundation.org
   ========================================================================== */

:root {
  --ink: #141425;          /* głęboki granat — tło sekcji ciemnych, tekst nagłówków */
  --ink-soft: #34344c;     /* tekst akapitowy */
  --ink-faint: #6a6a80;    /* tekst pomocniczy */
  --paper: #ffffff;
  --cream: #f6f4ee;        /* tło sekcji jasnych */
  --line: #e4e1d5;         /* linie, ramki */
  --gold: #f0b323;         /* złoty akcent na ciemnym tle */
  --gold-deep: #7c611a;    /* złoty akcent na jasnym tle (kontrast AA) */
  --gold-soft: rgba(240, 179, 35, 0.12);
  --serif: "Cormorant Garamond", "Georgia", "Times New Roman", serif;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --header-h: 78px;
  --container: 1180px;
  --prose: 780px;
}

/* --- Reset / baza ------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 300;
  line-height: 1.75;
  color: var(--ink-soft);
  background: var(--paper);
}

img, svg { max-width: 100%; height: auto; display: block; }

a { color: var(--gold-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

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

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 0.6em;
}

p { margin: 0 0 1.2em; }
p:last-child { margin-bottom: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  z-index: 200;
}
.skip-link:focus { left: 0; }

/* --- Układ -------------------------------------------------------------- */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.prose { max-width: var(--prose); }
.prose-center { max-width: var(--prose); margin-left: auto; margin-right: auto; }

.section { padding: 96px 0; }
.section--cream { background: var(--cream); }
.section--ink { background: var(--ink); color: rgba(255, 255, 255, 0.82); }
.section--ink h2, .section--ink h3 { color: #fff; }

.eyebrow {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 18px;
}
.section--ink .eyebrow, .page-hero .eyebrow { color: var(--gold); }

.section-title {
  font-size: clamp(2rem, 4vw, 2.9rem);
  letter-spacing: 0.02em;
}

.section-head { margin-bottom: 48px; }
.section-head--center { text-align: center; }
.section-head--center .lead { margin-left: auto; margin-right: auto; }

.lead {
  font-size: 1.18rem;
  line-height: 1.8;
  max-width: var(--prose);
}

.rule {
  width: 64px;
  height: 2px;
  background: var(--gold);
  border: 0;
  margin: 26px 0;
}
.rule--center { margin-left: auto; margin-right: auto; }

/* --- Nagłówek ------------------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(20, 20, 37, 0.08); }

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  text-decoration: none;
  min-width: 0;
}
.brand:hover { text-decoration: none; }

/* Logo jest wyższe niż szersze — wysokość wyznacza rozmiar, szerokość wynika
   z proporcji, żeby nie zniekształcić postaci. */
.brand-seal { height: 42px; width: auto; flex: none; }

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.brand-name .brand-over {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.brand-name .brand-main {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
}

.site-nav { display: flex; align-items: center; gap: 30px; }

.site-nav a {
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.site-nav a:hover { text-decoration: none; border-bottom-color: var(--gold); }
.site-nav a[aria-current="page"] { color: var(--gold-deep); border-bottom-color: var(--gold); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  border-left: 1px solid var(--line);
  padding-left: 22px;
  margin-left: 4px;
}
.lang-switch a, .lang-switch span { color: var(--ink-faint); }
.lang-switch .is-active { color: var(--gold-deep); }
.lang-switch a:hover { color: var(--ink); text-decoration: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 10px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* --- Hero (strona główna) ------------------------------------------------ */

.hero {
  position: relative;
  background: linear-gradient(155deg, #10101f 0%, var(--ink) 55%, #1c1c33 100%);
  color: rgba(255, 255, 255, 0.85);
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 140px 0 150px;
  max-width: 820px;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.9rem, 7vw, 5.4rem);
  line-height: 1.04;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 26px;
}

.hero-sub {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 300;
  line-height: 1.8;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 42px;
}

.hero-motto {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.hero-art {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  width: 470px;
  max-width: 42vw;
  opacity: 0.6;
  z-index: 1;
  pointer-events: none;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* --- Przyciski ----------------------------------------------------------- */

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 15px 34px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn:hover { text-decoration: none; }

.btn--gold { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.btn--gold:hover { background: #f6c650; border-color: #f6c650; }

.btn--ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.45); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); }

.btn--ink { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn--ink:hover { background: #262640; }

.btn--outline { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn--outline:hover { border-color: var(--gold-deep); color: var(--gold-deep); }

/* --- Nagłówek podstrony --------------------------------------------------- */

.page-hero {
  background: linear-gradient(155deg, #10101f 0%, var(--ink) 60%, #1c1c33 100%);
  color: rgba(255, 255, 255, 0.82);
  padding: 96px 0 88px;
  position: relative;
  overflow: hidden;
}

.page-hero-title {
  font-size: clamp(2.3rem, 5vw, 3.7rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.page-hero .lead { color: rgba(255, 255, 255, 0.8); }

/* Wariant nagłówka podstrony ze zdjęciem w tle (ciemna nakładka
   zapewnia czytelność złotego tytułu i białego tekstu). */
.page-hero--photo {
  background:
    linear-gradient(155deg, rgba(16, 16, 31, 0.86) 0%, rgba(20, 20, 37, 0.78) 55%, rgba(28, 28, 51, 0.82) 100%),
    url("../img/archiwum-hero.jpg") center 62% / cover no-repeat;
}
.page-hero--photo .page-hero-art { display: none; }

.page-hero-art {
  position: absolute;
  right: -120px;
  bottom: -180px;
  width: 480px;
  opacity: 0.35;
  pointer-events: none;
}

.breadcrumb {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 34px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.55); }
.breadcrumb a:hover { color: var(--gold); text-decoration: none; }
.breadcrumb .sep { color: rgba(255, 255, 255, 0.3); margin: 0 10px; }
.breadcrumb .current { color: rgba(255, 255, 255, 0.85); }

/* --- Filary / wartości ---------------------------------------------------- */

.values {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.value {
  padding: 44px 20px;
  text-align: center;
  border-left: 1px solid var(--line);
}
.value:first-child { border-left: 0; }

.value .num {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--gold-deep);
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: 12px;
}

.value .word {
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink);
}

/* --- Cytat --------------------------------------------------------------- */

.quote-band { text-align: center; padding: 110px 0; }

.quote-band blockquote {
  margin: 0 auto;
  max-width: 900px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.5;
  color: #fff;
}
.quote-band blockquote .gold { color: var(--gold); }

.quote-band .quote-mark {
  font-family: var(--serif);
  font-size: 4.5rem;
  line-height: 0.5;
  color: var(--gold);
  display: block;
  margin-bottom: 30px;
}

/* --- Fakty --------------------------------------------------------------- */

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.fact { text-align: center; padding: 10px 16px; }

.fact .fact-value {
  font-family: var(--serif);
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.03em;
  margin-bottom: 10px;
}

.fact .fact-label {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  line-height: 1.7;
}

/* --- Zarząd / sylwetki ----------------------------------------------------- */

.person {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 44px;
  padding: 52px 0;
  border-top: 1px solid var(--line);
}
.person:last-child { border-bottom: 1px solid var(--line); }

.person-side { text-align: center; }

.avatar {
  width: 150px;
  height: 150px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
}
.avatar span {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.person h3 { font-size: 1.7rem; margin-bottom: 4px; }

.person .role {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 22px;
}

.person dl { margin: 0; }
.person dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 20px 0 6px;
}
.person dt:first-child { margin-top: 0; }
.person dd { margin: 0; }

/* --- Karty (Learn more / aktualności) -------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 42px 34px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
a.card { color: inherit; }
a.card:hover {
  text-decoration: none;
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(20, 20, 37, 0.1);
  border-color: var(--gold);
}

.card .card-icon { margin-bottom: 24px; width: 44px; height: 44px; }

.card h3 { font-size: 1.45rem; margin-bottom: 12px; }

.card p { font-size: 0.98rem; flex: 1; }

.card .card-more {
  margin-top: 26px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold-deep);
}
.card .card-more::after { content: " →"; }

.section--ink .card { background: rgba(255, 255, 255, 0.04); border-color: rgba(255, 255, 255, 0.14); }
.section--ink .card h3 { color: #fff; }
.section--ink .card p { color: rgba(255, 255, 255, 0.72); }
.section--ink a.card:hover { border-color: var(--gold); box-shadow: none; }
.section--ink .card .card-more { color: var(--gold); }

/* --- Blok informacyjny / rejestrowy ---------------------------------------- */

.info-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  padding: 46px 48px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px 56px;
}

.info-item h4 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 10px;
}
.info-item p { font-size: 0.98rem; }

/* --- Pusty stan (Nowości) --------------------------------------------------- */

.empty-state {
  text-align: center;
  border: 1px dashed var(--line);
  background: var(--paper);
  padding: 90px 40px;
}
.empty-state .empty-icon { width: 64px; height: 64px; margin: 0 auto 28px; }
.empty-state h3 { font-size: 1.6rem; }
.empty-state p { max-width: 520px; margin-left: auto; margin-right: auto; }

/* --- Oś czasu (Archiwum) ----------------------------------------------------- */

.timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  padding-left: 48px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: var(--line);
}

/* Nagłówek roku — duży znacznik na osi */
.tl-year {
  position: relative;
  font-family: var(--serif);
  font-size: 2.1rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.08em;
  margin: 0 0 32px;
}
.tl-year + .tl-entry { margin-top: 0; }
.tl-year:not(:first-child) { margin-top: 30px; }
.tl-year::before {
  content: "";
  position: absolute;
  left: -48px;
  top: 12px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--gold);
  border: 3px solid var(--paper);
  box-shadow: 0 0 0 1px var(--gold-deep);
}

/* Pojedynczy wpis archiwalny — mały znacznik na osi */
.tl-entry { position: relative; padding: 0 0 50px; }
.tl-entry:last-child { padding-bottom: 0; }
.tl-entry::before {
  content: "";
  position: absolute;
  left: -46px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--gold-deep);
}

.tl-date {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 8px;
}

.tl-entry h3 { font-size: 1.5rem; margin-bottom: 14px; }
.tl-entry p { font-size: 1rem; }

.tl-meta {
  font-size: 0.92rem;
  color: var(--ink-faint);
  border-left: 2px solid var(--line);
  padding-left: 18px;
  margin-bottom: 18px;
}

/* Sylwetki osób w obrębie wpisu */
.tl-people {
  margin: 22px 0 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 2px solid var(--line);
}
.tl-people li { margin-bottom: 16px; font-size: 0.95rem; }
.tl-people li:last-child { margin-bottom: 0; }
.tl-people strong { color: var(--ink); font-weight: 600; }

/* Zdjęcia i skany w archiwum */
.tl-figure { margin: 26px 0 0; max-width: 400px; }
.tl-figure img {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--paper);
}
.tl-figure figcaption {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--ink-faint);
  line-height: 1.65;
  margin-top: 10px;
}
.tl-figure--wide { max-width: 560px; }
.tl-figure--narrow { max-width: 300px; }

/* --- Kontakt ----------------------------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 60px;
  align-items: start;
}

.contact-list { margin: 0; }
.contact-list dt {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 26px 0 6px;
}
.contact-list dt:first-child { margin-top: 0; }
.contact-list dd {
  margin: 0;
  font-size: 1.05rem;
  color: var(--ink);
}
.contact-list dd a { color: var(--ink); border-bottom: 1px solid var(--gold); }
.contact-list dd a:hover { color: var(--gold-deep); text-decoration: none; }
.contact-list .sub { font-size: 0.9rem; color: var(--ink-faint); }

/* --- Formularz ----------------------------------------------------------------- */

.form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  padding: 44px;
}

.form-row { margin-bottom: 22px; }

.form label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 8px;
}

.form input, .form textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 15.5px;
  font-weight: 300;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--line);
  padding: 13px 16px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.form input:focus, .form textarea:focus {
  outline: none;
  border-color: var(--gold-deep);
  background: #fff;
}

.form textarea { resize: vertical; min-height: 150px; }

.form .form-note {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin-top: 16px;
}

.form-status { font-size: 0.95rem; margin-top: 14px; color: var(--gold-deep); }

/* --- Polityka prywatności (strona tekstowa) -------------------------------------- */

.legal h2 {
  font-size: 1.6rem;
  margin-top: 2em;
}
.legal ul { padding-left: 22px; }
.legal li { margin-bottom: 8px; }

/* --- Stopka ----------------------------------------------------------------------- */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.65);
  padding: 78px 0 0;
  font-size: 0.95rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
}

.footer-brand .brand-seal { height: 60px; width: auto; margin-bottom: 20px; }

.footer-brand .footer-name {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand .footer-motto {
  font-family: var(--serif);
  font-style: italic;
  color: rgba(255, 255, 255, 0.5);
  max-width: 300px;
}

.site-footer h4 {
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer li { margin-bottom: 10px; }

.site-footer a { color: rgba(255, 255, 255, 0.75); }
.site-footer a:hover { color: var(--gold); text-decoration: none; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 26px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

/* --- Pasek cookie ------------------------------------------------------------------ */

.cookie-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 150;
  background: #0e0e1b;
  color: rgba(255, 255, 255, 0.8);
  border-top: 1px solid rgba(240, 179, 35, 0.35);
  padding: 18px 0;
  display: none;
}
.cookie-bar.is-visible { display: block; }

.cookie-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cookie-inner p { margin: 0; font-size: 0.9rem; }
.cookie-inner a { color: var(--gold); }

.cookie-inner .btn { padding: 10px 26px; flex: none; }

/* --- Animacje ----------------------------------------------------------------------- */

/* Ukrywanie stosuje dopiero skrypt (klasa .will-reveal) — bez JavaScriptu
   cała treść pozostaje widoczna. */
[data-reveal] { transition: opacity 0.7s ease, transform 0.7s ease; }
[data-reveal].will-reveal { opacity: 0; transform: translateY(22px); }
[data-reveal].is-revealed { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal], [data-reveal].will-reveal { opacity: 1; transform: none; transition: none; }
}

/* --- Responsywność ------------------------------------------------------------------- */

@media (max-width: 1020px) {
  .values { grid-template-columns: repeat(3, 1fr); }
  .value:nth-child(4) { border-left: 0; }
  .value { border-top: 1px solid var(--line); }
  .value:nth-child(-n+3) { border-top: 0; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Menu zwija się do wersji mobilnej zanim pozycje zdążą się załamać
   na dwie linijki (pełne menu potrzebuje ok. 1000 px szerokości). */
@media (max-width: 1000px) {
  .nav-toggle { display: block; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 28px 24px;
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { display: block; width: 100%; padding: 13px 0; border-bottom: 1px solid var(--line); }
  .site-nav a[aria-current="page"] { border-bottom-color: var(--line); }
  .lang-switch { border-left: 0; padding-left: 0; margin-top: 16px; }

  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 860px) {
  .section { padding: 72px 0; }

  .hero-inner { padding: 96px 0 110px; }
  .hero-art { opacity: 0.22; }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .person { grid-template-columns: 1fr; gap: 28px; }
  .person-side { text-align: left; }
  .avatar { margin: 0 0 14px; }
  .facts { grid-template-columns: 1fr; gap: 28px; }
  .info-grid { grid-template-columns: 1fr; }
  .info-panel { padding: 34px 28px; }
  .form { padding: 30px 24px; }
}

@media (max-width: 620px) {
  .values { grid-template-columns: 1fr 1fr; }
  .value { border-left: 0; border-top: 1px solid var(--line); }
  .value:nth-child(-n+2) { border-top: 0; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .brand-name .brand-main { font-size: 16px; white-space: normal; }
  .timeline { padding-left: 30px; }
  .timeline-item::before { left: -27px; }
}