/* Hallmark · macrostructure: Bento Grid · H(bento fixed-height hero) knobs: alignment=left-biased-asymmetric, tag=mono-outlier
 * F1 Bento knobs: tiles=8, spans=irregular, border=hairline-all · N1b knobs: centre-links=4, dropdowns=none, scroll=frost-on-scroll, cta=fill-only
 * Ft2 knobs: order=logo/line, separator=middot, density=spaced · F4 Step-sequence knobs: numbering=1.0/2.0/3.0, layout=vertical, connector=line
 * theme: custom · vibe: "precyzja, zaufanie, europejska infrastruktura" · paper: oklch(99% 0.006 185) · accent: oklch(58% 0.14 185)
 * display: Geist · body: Geist · outlier: Geist Mono (hero tag + step numerals only) · axes: light / geometric-sans / chromatic-teal (~185°)
 * Hallmark · pre-emit critique: P4 H4 E4 S4 R4 V4
 */

@import url("tokens.css");

/* ============ Reset & base ============ */
*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.08; letter-spacing: -0.025em; font-weight: 700; margin: 0; overflow-wrap: anywhere; min-width: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; padding: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }

.section__inner, .nav__inner, .foot__inner {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

:focus-visible {
  outline: 2.5px solid var(--color-focus);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
}

/* ============ Skip link ============ */
.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-md);
  z-index: var(--z-toast);
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: top var(--dur-short) var(--ease-out);
}
.skip-link:focus { top: var(--space-md); }

/* ============ Buttons & links ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: 0.7rem 1.35rem;
  transition: background-color var(--dur-short) var(--ease-out), transform 100ms var(--ease-out), color var(--dur-short) var(--ease-out);
}
.btn--accent { background: var(--color-accent-strong); color: var(--color-on-accent); }
.btn--accent:hover { background: var(--color-ink); }
.btn--accent:active { transform: translateY(1px); }
.btn--lg { padding: 0.9rem 1.75rem; font-size: var(--text-base); }
.btn--sm { padding: 0.55rem 1.15rem; }

.link { color: var(--color-ink); border-bottom: 1px solid var(--color-rule); padding-bottom: 0.1em; transition: border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out); white-space: nowrap; }
.link:hover { border-color: var(--color-accent-strong); color: var(--color-accent-strong); }
.link--arrow::after { content: "→"; margin-left: 0.4em; display: inline-block; transition: transform var(--dur-short) var(--ease-out); }
.link--arrow:hover::after { transform: translateX(3px); }

/* ============ Nav (N1b) ============ */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-sticky);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.nav.is-scrolled {
  background: color-mix(in oklch, var(--color-paper) 82%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--color-rule);
  box-shadow: 0 8px 28px -20px oklch(20% 0.01 185 / 0.35);
}
.nav__inner {
  height: 5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-md);
}
.nav__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 0; justify-self: start; }
.nav__logo { height: 2.25rem; width: auto; }
.nav__brand-suffix { font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-ink-2); margin-top: -0.4rem; }
.nav__center { justify-self: center; display: flex; gap: var(--space-lg); }
.nav__link { font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2); white-space: nowrap; padding-block: var(--space-xs); position: relative; }
.nav__link::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1.5px; background: var(--color-accent-strong); transition: right var(--dur-short) var(--ease-out); }
.nav__link:hover { color: var(--color-ink); }
.nav__link:hover::after { right: 0; }
.nav__right { justify-self: end; display: flex; align-items: center; gap: var(--space-md); }

.nav__lang {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-pill);
  background: var(--color-paper-2);
}
.nav__lang-link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  color: var(--color-ink-2);
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.nav__lang-link.is-current { background: var(--color-ink); color: var(--color-paper); }
.nav__lang-link:not(.is-current):hover { color: var(--color-accent-strong); }

@media (max-width: 60rem) {
  .nav__center { display: none; }
}

@media (max-width: 34rem) {
  .nav__inner { gap: var(--space-sm); }
  .nav__lang-link { padding: 0.35rem 0.6rem; }
  .nav__right .btn--sm { display: none; }
}

/* ============ Hero ============ */
.hero {
  padding-block: clamp(7.5rem, 14vw, 9.5rem) var(--space-3xl);
  background: var(--color-paper);
  overflow: hidden;
}
.hero__grid {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: var(--space-xl);
}
.hero__inner {
  max-width: 30rem;
}
.hero__visual {
  justify-self: end;
  width: 100%;
  max-width: 44rem;
  margin-right: clamp(-3rem, -4vw, 0rem);
}
.hero__visual img {
  width: 100%;
  height: auto;
}

@media (max-width: 60rem) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .hero__visual { justify-self: center; order: -1; max-width: 30rem; margin-right: 0; }
}
.tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
  margin-bottom: var(--space-lg);
}
.hero__title {
  font-size: var(--text-display);
  max-width: 18ch;
  color: var(--color-ink);
}
.hero__lede {
  margin-top: var(--space-lg);
  max-width: 42ch;
  font-size: var(--text-md);
  color: var(--color-ink-2);
  line-height: 1.55;
}
.hero__actions {
  margin-top: var(--space-xl);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
}

/* ============ Sections generic ============ */
.section { padding-block: var(--space-3xl); }
.section__head {
  font-size: var(--text-2xl);
  max-width: 22ch;
  color: var(--color-ink);
}
.section__head--dark { color: var(--color-on-dark-ink); }
.section__lede {
  margin-top: var(--space-md);
  max-width: 55ch;
  font-size: var(--text-md);
  color: var(--color-ink-2);
}

/* ============ Bento grid ============ */
.bento {
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-md);
}
.tile {
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-sm);
  opacity: 0;
  transform: translateY(10px);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 60ms);
}
@keyframes reveal { to { opacity: 1; transform: none; } }

.tile--a { grid-column: 1 / 3; grid-row: 1 / 3; background: var(--color-paper-2); flex-direction: row; align-items: center; justify-content: space-between; gap: var(--space-lg); }
.tile--a__text { display: flex; flex-direction: column; gap: var(--space-sm); min-width: 0; }
.tile--a__art { width: 42%; max-width: 10.5rem; height: auto; flex-shrink: 0; object-fit: contain; }
@media (max-width: 60rem) {
  .tile--a { flex-direction: column; align-items: flex-start; }
  .tile--a__art { width: 7.5rem; height: auto; align-self: center; }
}
.tile--b { grid-column: 3 / 4; grid-row: 1 / 2; }
.tile--c { grid-column: 4 / 5; grid-row: 1 / 2; }
.tile--d { grid-column: 3 / 4; grid-row: 2 / 3; }
.tile--g { grid-column: 4 / 5; grid-row: 2 / 3; background: var(--color-accent-soft); border-color: color-mix(in oklch, var(--color-accent) 40%, var(--color-rule)); }
.tile--e { grid-column: 1 / 3; grid-row: 3 / 4; }
.tile--f { grid-column: 3 / 5; grid-row: 3 / 4; }
.tile--h { grid-column: 1 / 5; grid-row: 4 / 5; background: var(--color-ink); border-color: var(--color-ink); }
.tile--h .tile__title, .tile--h .tile__body { color: var(--color-paper); }
.tile--h .tile__body { color: color-mix(in oklch, var(--color-paper) 78%, transparent); max-width: 62ch; }

.tile__eyebrow { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-muted); }
.tile__statement { font-size: var(--text-lg); font-weight: 600; letter-spacing: -0.01em; color: var(--color-ink); line-height: 1.3; }
.tile__title { font-size: var(--text-md); font-weight: 700; }
.tile__body { font-size: var(--text-sm); color: var(--color-ink-2); line-height: 1.55; }

@media (max-width: 60rem) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile--a { grid-column: 1 / 3; grid-row: auto; }
  .tile--b, .tile--c, .tile--d, .tile--g { grid-column: span 1; grid-row: auto; }
  .tile--e, .tile--f, .tile--h { grid-column: 1 / 3; grid-row: auto; }
}
@media (max-width: 40rem) {
  .bento { grid-template-columns: 1fr; }
  .tile--a, .tile--b, .tile--c, .tile--d, .tile--g, .tile--e, .tile--f, .tile--h { grid-column: 1; }
}

/* ============ Steps (dark band) ============ */
.steps {
  background: var(--color-surface-dark);
  padding-block: var(--space-3xl);
}
.steps__list {
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.step {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-on-dark-rule);
}
.step:last-child { border-bottom: 1px solid var(--color-on-dark-rule); }

@media (min-width: 48rem) {
  .steps__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-2xl);
  }
  .step:last-child { border-bottom: none; }
  .step:nth-last-child(-n+2) { border-bottom: 1px solid var(--color-on-dark-rule); }
}
.step__num {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-accent-on-dark);
  font-variant-numeric: tabular-nums;
}
.step__title { font-size: var(--text-lg); color: var(--color-on-dark-ink); font-family: var(--font-display); font-weight: 700; letter-spacing: -0.015em; }
.step__body { margin-top: var(--space-xs); font-size: var(--text-sm); color: var(--color-on-dark-muted); max-width: 52ch; line-height: 1.6; }

@media (max-width: 40rem) {
  .step { grid-template-columns: 1fr; gap: var(--space-xs); }
}

/* ============ Tiers ============ */
.tiers {
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1.08fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}
.tier {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: transform var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .tier:hover { transform: translateY(-3px); box-shadow: 0 14px 32px -20px oklch(20% 0.01 185 / 0.28); }
}
.tier--recommended {
  border-color: var(--color-accent-strong);
  background: var(--color-paper-2);
  position: relative;
  animation: pulse-border 2s var(--ease-out) 1 both;
}
@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--color-accent) 0%, transparent); }
  50% { box-shadow: 0 0 0 6px color-mix(in oklch, var(--color-accent) 16%, transparent); }
}
.tier__badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
}
.tier__name { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; }
.tier__scope { font-size: var(--text-sm); color: var(--color-muted); font-weight: 500; }
.tier__list { display: flex; flex-direction: column; gap: var(--space-sm); margin-top: var(--space-xs); }
.tier__list li { font-size: var(--text-sm); color: var(--color-ink-2); padding-left: 1.1em; position: relative; line-height: 1.5; }
.tier__list li::before { content: "•"; position: absolute; left: 0; color: var(--color-muted); }
.tier__cta { margin-top: auto; padding-top: var(--space-md); align-self: flex-start; }

@media (max-width: 60rem) {
  .tiers { grid-template-columns: 1fr; }
  .tier--recommended { order: -1; }
}

/* ============ Contact ============ */
.contact { padding-block: var(--space-3xl); background: var(--color-paper-2); }

.people {
  margin-top: var(--space-2xl);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
}
.person {
  background: var(--color-paper);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-lg);
}
.person__photo { width: 8rem; height: 8rem; object-fit: contain; flex-shrink: 0; }
.person__info { display: flex; flex-direction: column; gap: var(--space-xs); min-width: 0; }
.person__name { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; }
.person__role { font-size: var(--text-sm); color: var(--color-muted); margin-bottom: var(--space-sm); }
.person__contact { align-self: flex-start; font-size: var(--text-sm); font-variant-numeric: tabular-nums; white-space: normal; overflow-wrap: anywhere; }

@media (max-width: 40rem) {
  .people { grid-template-columns: 1fr; }
  .person { flex-direction: column; align-items: center; text-align: center; }
  .person__photo { width: 9rem; height: 9rem; }
  .person__contact { align-self: center; }
}

/* ============ Footer (Ft2) ============ */
.foot {
  background: var(--color-surface-dark);
  padding-block: var(--space-xl);
  border-top: 1px solid var(--color-on-dark-rule);
}
.foot__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-lg);
}
.foot__logo { height: 1.4rem; width: auto; filter: invert(1) brightness(1.6); }
.foot__line { font-size: var(--text-xs); color: var(--color-on-dark-muted); }

/* ============ Utility: staggered reveal index ============ */
.tile:nth-child(1) { --i: 0; }
.tile:nth-child(2) { --i: 1; }
.tile:nth-child(3) { --i: 2; }
.tile:nth-child(4) { --i: 3; }
.tile:nth-child(5) { --i: 4; }
.tile:nth-child(6) { --i: 5; }
.tile:nth-child(7) { --i: 6; }
.tile:nth-child(8) { --i: 7; }