/* ═══════════════════════════════════════════════════════════
   Biuro Rachunkowe Anita Nogalska — 3D scrolly site
   Paleta: grafit #0b0d10 · biel #f4f2ed · złoto #c9a227
   ═══════════════════════════════════════════════════════════ */

:root {
  --bg: #0b0d10;
  --bg-alt: #101318;
  --ink: #f4f2ed;
  --ink-dim: #9aa0a8;
  --gold: #c9a227;
  --gold-soft: #e3c565;
  --line: rgba(244, 242, 237, 0.12);
  --font-sans: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Cormorant Garamond", Georgia, serif;
}

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

html { scroll-behavior: smooth; }

html, body {
  /* `hidden` NIE zatrzymuje przewijania poziomego na telefonach (iOS/Android
     ignoruja overflow-x:hidden na body) — `clip` tak. Zmierzone 01.09.2026:
     bez tego uklad mobilny mial 780 px przy ekranie 390 px, a przycisk
     telefonu w nawigacji lezal poza ekranem. */
  overflow-x: clip;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.accent { color: var(--gold-soft); }

/* ─────────────── Nawigacja ─────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1.25rem, 4vw, 3rem);
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}
.nav.is-solid {
  background: rgba(11, 13, 16, 0.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--line);
}
.nav__logo { display: flex; align-items: center; gap: 0.7rem; }
.nav__monogram {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  letter-spacing: 0.04em;
}
.nav__name {
  font-weight: 800;
  letter-spacing: 0.16em;
  font-size: 0.85rem;
  white-space: nowrap;
}
.nav__name em {
  display: block;
  font-style: normal;
  font-weight: 300;
  letter-spacing: 0.14em;
  font-size: 0.62rem;
  color: var(--ink-dim);
  text-transform: uppercase;
}
.nav__links { display: flex; gap: clamp(1rem, 3vw, 2.2rem); }
.nav__links a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #e7e9ec;
  text-shadow: 0 1px 8px rgba(5, 6, 8, 0.7);
  transition: color 0.25s;
}
.nav__links a:hover { color: var(--gold-soft); }
.nav__cta {
  border: 1px solid var(--gold);
  color: var(--gold-soft);
  padding: 0.55rem 1.1rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: background 0.25s, color 0.25s;
  white-space: nowrap;
}
.nav__cta:hover { background: var(--gold); color: var(--bg); }

@media (max-width: 640px) {
  .nav__links { display: none; }
  .nav { padding: 0.75rem 1rem; }
  .nav__name { font-size: 0.78rem; letter-spacing: 0.12em; }
  .nav__name em { font-size: 0.56rem; }
  .nav__cta { padding: 0.5rem 0.85rem; font-size: 0.76rem; }
  /* backdrop-filter nad canvasem rysowanym co klatke szarpie na telefonie —
     solidne tlo daje ten sam efekt bez kosztu kompozycji. */
  .nav.is-solid { backdrop-filter: none; background: rgba(11, 13, 16, 0.94); }
}
@media (max-width: 380px) {
  .nav__name em { display: none; }
}

/* ─────────────── Pasek postępu scrolla ─────────────── */
.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 101;
  background: transparent;
}
.progress span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  transition: width 0.1s linear;
}

/* ─────────────── Sceny scrolly ─────────────── */
.scene {
  position: relative;
  height: 420vh; /* długość „przewijania” sceny — więcej = wolniejszy film i dłużej widoczne napisy */
}
/* Tablet i telefon: krotszy przebieg sceny. 420vh przy ekranie 844 px to
   ~3500 px na jedna scene; cztery sceny = kilkanascie ekranow kciukiem, po
   ktorych uzytkownik uznaje strone za zacieta. Klatek na telefonie jest
   48 (co druga), wiec 260vh nadal daje plynny film. */
@media (max-width: 1024px) { .scene { height: 340vh; } }
@media (max-width: 640px)  { .scene { height: 260vh; } }
.scene__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}
.scene__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.scene__vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 70% at 50% 45%, transparent 55%, rgba(5, 6, 8, 0.75) 100%),
    linear-gradient(rgba(5, 6, 8, 0.5), transparent 18%, transparent 82%, rgba(5, 6, 8, 0.6));
}

/* Teksty nakładane na scenę */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 clamp(1.25rem, 6vw, 4rem);
  opacity: 0;
  pointer-events: none;
  will-change: opacity, transform;
}
.overlay.is-active { pointer-events: auto; }

/* Ciemna poświata za tekstem — czytelność na jasnych kadrach wideo */
.overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(
    ellipse 62% 46% at 50% 50%,
    rgba(5, 6, 8, 0.82),
    rgba(5, 6, 8, 0.55) 52%,
    rgba(5, 6, 8, 0.22) 72%,
    transparent 88%
  );
}

.kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-bottom: 1.4rem;
}
.kicker--center { text-align: center; }

.overlay h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.35rem, 8vw, 6rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
}
.overlay .lead {
  margin-top: 1.6rem;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  font-weight: 400;
  color: #e9ebee;
  max-width: 42ch;
  text-shadow: 0 1px 3px rgba(5, 6, 8, 0.6), 0 2px 20px rgba(5, 6, 8, 0.8);
}
.big-quote {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.75rem, 5.4vw, 4rem);
  line-height: 1.16;
  max-width: 22ch;
  text-shadow: 0 1px 3px rgba(5, 6, 8, 0.6), 0 2px 24px rgba(5, 6, 8, 0.85), 0 0 70px rgba(5, 6, 8, 0.7);
}
.closing {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.1rem, 5.6vw, 4.2rem);
  line-height: 1.12;
  margin-bottom: 2rem;
  text-shadow: 0 1px 3px rgba(5, 6, 8, 0.6), 0 2px 24px rgba(5, 6, 8, 0.85), 0 0 70px rgba(5, 6, 8, 0.7);
}

.btn {
  display: inline-block;
  background: var(--gold);
  color: #14110a;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 1.05rem 2.2rem;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}
.btn:hover {
  background: var(--gold-soft);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201, 162, 39, 0.35);
}

/* Wskazówka „przewiń” */
.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 2.2rem;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-dim);
  opacity: 0;
}
.scroll-hint__line {
  width: 1px;
  height: 52px;
  background: linear-gradient(var(--gold-soft), transparent);
  animation: hint 1.8s ease-in-out infinite;
  transform-origin: top;
}
@keyframes hint {
  0% { transform: scaleY(0); opacity: 0; }
  35% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1) translateY(18px); opacity: 0; }
}

/* ─────────────── Sekcje treści (SEO) ─────────────── */
.content {
  position: relative;
  padding: clamp(5rem, 12vw, 9rem) clamp(1.25rem, 6vw, 4rem);
  max-width: 1200px;
  margin: 0 auto;
}
/* Pelnokrwiste tlo BEZ rozpychania dokumentu: cien o promieniu 100vmax
   przyciety clip-pathem nie wchodzi do scrollWidth (inset: 0 -100vw
   robil dokument 3x szerszy i na telefonie lamal caly uklad). */
.content--alt::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bg-alt);
  box-shadow: 0 0 0 100vmax var(--bg-alt);
  clip-path: inset(0 -100vmax);
  z-index: -1;
}
.content__title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.12;
  text-align: center;
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

/* Usługi */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(290px, 100%), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.service {
  background: var(--bg);
  padding: 2.2rem 1.9rem;
  transition: background 0.3s;
}
.service:hover { background: var(--bg-alt); }
.service__num {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.service h3 {
  margin: 0.9rem 0 0.7rem;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.service p {
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--ink-dim);
}

/* Statystyki */
.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(2rem, 8vw, 6rem);
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.stat { text-align: center; }
.stat strong {
  display: block;
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  color: var(--gold-soft);
  line-height: 1;
}
.stat span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.about {
  max-width: 62ch;
  margin: 0 auto;
  display: grid;
  gap: 1.2rem;
  font-size: 1.02rem;
  font-weight: 300;
  color: #c8ccd2;
  text-align: center;
}

/* Kontakt */
.contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 1.4rem;
}
.contact__card {
  border: 1px solid var(--line);
  padding: 2.2rem 1.9rem;
  text-align: center;
}
.contact__card h3 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.1rem;
}
.contact__card address { font-style: normal; font-size: 1.05rem; }
.contact__big {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--ink);
  transition: color 0.25s;
}
.contact__big--mail { font-size: clamp(1.05rem, 2.2vw, 1.4rem); }
.contact__big:hover { color: var(--gold-soft); }
.contact__note {
  margin-top: 0.6rem;
  font-size: 0.82rem;
  color: var(--ink-dim);
}
.contact__link {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.82rem;
  color: var(--gold-soft);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}
.contact__link:hover { border-color: var(--gold-soft); }

.cta-strip {
  margin-top: clamp(3rem, 7vw, 5rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  border: 1px solid var(--line);
  background: var(--bg-alt);
  padding: clamp(1.8rem, 4vw, 2.6rem);
  text-align: center;
}
.cta-strip p {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
}

/* ─────────────── Stopka ─────────────── */
.footer {
  border-top: 1px solid var(--line);
  padding: 2.4rem clamp(1.25rem, 6vw, 4rem);
  text-align: center;
  font-size: 0.85rem;
  color: var(--ink-dim);
}
.footer__meta { margin-top: 0.4rem; font-size: 0.78rem; }
.footer a:hover { color: var(--gold-soft); }

/* ─────────────── Loader klatek ─────────────── */
.loader {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 90;
  background: rgba(11, 13, 16, 0.85);
  border: 1px solid var(--line);
  padding: 0.5rem 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  backdrop-filter: blur(8px);
}

/* ─────────────── Ograniczony ruch / dostępność ─────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
.reduced-motion .scene { height: auto; }
.reduced-motion .scene__sticky {
  position: relative;
  height: auto;
  min-height: 70vh;
  display: grid;
  align-content: center;
  gap: 3rem;
  padding: 6rem 0;
}
.reduced-motion .overlay {
  position: relative;
  inset: auto;
  opacity: 1 !important;
  transform: none !important;
  pointer-events: auto;
}
.reduced-motion .scene__canvas { position: absolute; }
.reduced-motion .scroll-hint { display: none; }