/* ============ BASE — BOLD ============
   KRYTYCZNE: main/sekcje/h1-wrapper BEZ z-index/transform/opacity/filter —
   sandwich (tekst za/przed fixed canvasem) działa tylko w root stacking context.
   ===================================== */

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

html { scroll-behavior: smooth; overflow-x: clip; }
html[data-tier="full"] { scroll-behavior: auto; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--cream);
  background: var(--navy-night);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; }
::selection { background: var(--yellow); color: var(--ink); }

.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* ---------- Canvas — środek sandwicha ---------- */
.gl {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-gl);
  pointer-events: none;
}

/* UWAGA: main i footer celowo BEZ position/z-index (sandwich) */

/* ---------- Buttons — ostre, twarde ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .1em;
  padding: 18px 36px;
  border: var(--rule-bold) currentColor;
  transition: background-color var(--dur-snap) steps(1, end), color var(--dur-snap) steps(1, end);
}
.btn--solid { background: var(--cream); color: var(--ink); border-color: var(--cream); }
.btn--solid:hover { background: var(--yellow); border-color: var(--yellow); }
.btn--line { background: transparent; color: inherit; }
.btn--line:hover { background: var(--cream); color: var(--ink); border-color: var(--cream); }

/* ---------- Bottle anchors / fallback ---------- */
.bottle-anchor { pointer-events: none; }
.bottle-fallback { display: none; }

/* ---------- Loader — brutalny ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: var(--z-loader);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: var(--gutter);
  background: var(--navy-night);
  transition: transform .6s var(--ease-hard), visibility .6s;
}
.loader.is-done { transform: translateY(-100%); visibility: hidden; }
.loader__pct {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(120px, 28vw, 420px);
  line-height: .8;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}
.loader__pct i { font-style: normal; font-size: .35em; color: var(--yellow); }
.loader__bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 247, 230, .15);
  margin: 32px 0 16px;
}
.loader__bar span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--grad-ribbon);
  transform: scaleX(0);
  transform-origin: left;
}
.loader__label { opacity: .55; }

/* ---------- Nav — masthead bar ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  background: var(--navy-night);
  border-bottom: var(--rule) var(--cream);
  transition: transform .4s var(--ease-hard);
}
.nav.is-hidden { transform: translateY(-101%); }

.nav__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px var(--gutter);
  font-weight: 600;
  border-right: var(--rule) var(--cream);
}
.nav__brand em { color: var(--yellow); }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  padding: 0 var(--gutter);
}
.nav__links a { opacity: .7; transition: opacity var(--dur-snap) ease; }
.nav__links a:hover { opacity: 1; color: var(--yellow); }

.nav__cta {
  display: flex;
  align-items: center;
  padding: 16px var(--gutter);
  background: var(--grad-ribbon);
  color: var(--ink);
  font-weight: 600;
  border-left: var(--rule) var(--cream);
  transition: background var(--dur-snap) steps(1, end), color var(--dur-snap) steps(1, end);
}
.nav__cta:hover { background: var(--pink); color: var(--cream); }

/* ---------- Focus ---------- */
:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}