/* ============================================================
   Cloud Agency — styles.css
   Vanilla CSS. Mobile-first. Bez frameworków, bez kroku budowania.
   Motyw: „projekt techniczny o zmierzchu" — monochromia niebieska.
   ============================================================ */

/* ---------- Tokeny ---------- */
:root {
  /* kolor */
  --navy:       #0E1230;
  --navy-2:     #171D45;
  --navy-3:     #23306E;
  --ink:        #14162B;
  --ink-soft:   #454A66;
  --ink-faint:  #6B7194;
  --blue-deep:  #2F3E99;
  --blue:       #5271FF;
  --sky:        #8CA6FF;
  --sky-soft:   #C9D4FF;
  --cloud:      #F4F6FC;
  --mist:       #DEE3F7;
  --paper:      #FFFFFF;

  /* na ciemnym tle */
  --on-dark:        #FFFFFF;
  --on-dark-soft:   rgba(233, 237, 255, 0.80);
  --on-dark-faint:  rgba(201, 212, 255, 0.55);
  --hairline-dark:  rgba(140, 166, 255, 0.22);

  /* promienie */
  --r-sm: 10px;
  --r:    18px;
  --r-lg: 28px;

  /* cienie (tylko na jasnym) */
  --shadow-sm: 0 1px 3px rgba(20, 22, 43, 0.06), 0 6px 16px rgba(47, 62, 153, 0.06);
  --shadow:    0 12px 34px rgba(47, 62, 153, 0.12);
  --shadow-lg: 0 30px 70px rgba(20, 22, 43, 0.18);

  /* układ */
  --maxw: 1120px;
  --pad-x: clamp(1.15rem, 5vw, 2.75rem);
  --section-y: clamp(4.5rem, 11vw, 9rem);

  /* typografia */
  --f-display: "Baloo 2", "Trebuchet MS", system-ui, sans-serif;
  --f-body: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Mono", Consolas, monospace;

  --easing: cubic-bezier(.22, .61, .36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--navy);
}

body {
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--navy);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { list-style: none; }
:focus:not(:focus-visible) { outline: none; }
:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}
::selection { background: var(--blue); color: #fff; }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  background: var(--paper);
  color: var(--ink);
  padding: 0.7rem 1.1rem;
  border-radius: var(--r-sm);
  font-family: var(--f-display);
  font-weight: 600;
  box-shadow: var(--shadow);
  transition: top .2s var(--easing);
}
.skip-link:focus { top: 1rem; }

/* ---------- Układ pomocniczy ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.wrap--narrow { max-width: 760px; }

.section-pad { padding-block: var(--section-y); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--f-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.section-head { max-width: 44rem; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section-head .eyebrow { color: var(--blue-deep); margin-bottom: 1rem; }
.section-head h2 {
  font-size: clamp(1.85rem, 4.2vw, 2.75rem);
  color: var(--ink);
}
.section-head p {
  margin-top: 0.9rem;
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 38rem;
}

/* ---------- Znak marki (SVG) ----------
   <use> tworzy shadow DOM — kolorujemy przez dziedziczone fill/stroke
   ustawione na elemencie-hoście .mark. */
.mark { display: block; width: 100%; height: 100%; overflow: visible; fill: var(--blue); stroke: var(--paper); }
.mark--rev { fill: var(--paper); stroke: var(--blue); }

/* ---------- Przyciski ---------- */
.btn {
  --btn-bg: var(--blue-deep);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  padding: 0.95rem 1.55rem;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  transition: transform .18s var(--easing), box-shadow .18s var(--easing), background-color .18s var(--easing);
}
.btn svg { width: 1.1em; height: 1.1em; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { box-shadow: 0 10px 26px rgba(47, 62, 153, 0.35); }
.btn--primary:hover { background: #26327f; box-shadow: 0 14px 32px rgba(47, 62, 153, 0.45); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: currentColor;
  box-shadow: inset 0 0 0 1.5px currentColor;
}
.btn--ghost:hover { box-shadow: inset 0 0 0 1.5px currentColor, 0 8px 20px rgba(0,0,0,0.12); }

.btn--on-dark.btn--primary {
  --btn-bg: var(--blue);
  --btn-fg: #0B0E24;
}
.btn--on-dark.btn--primary:hover { background: var(--sky); }

.btn--lg { padding: 1.1rem 1.9rem; font-size: 1.05rem; }
.btn--block { width: 100%; }

/* ============================================================
   NAGŁÓWEK / NAWIGACJA
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color .3s var(--easing), box-shadow .3s var(--easing), border-color .3s var(--easing);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled { border-bottom-color: var(--hairline-dark); }
.site-header.is-light {
  background: rgba(244, 246, 252, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--mist);
}
.site-header.is-light.is-scrolled { box-shadow: var(--shadow-sm); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
  color: var(--on-dark);
}
.site-header.is-light .nav { color: var(--ink); }

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.15rem;
}
.nav__brand .mark-box { width: 34px; height: 34px; flex: none; }
.site-header:not(.is-light) .nav__brand .mark { fill: var(--paper); stroke: var(--blue); }

.nav__links { display: none; align-items: center; gap: 2rem; }
.nav__links a {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.75;
  padding-block: 0.4rem;
  transition: opacity .18s var(--easing);
}
.nav__links a:hover { opacity: 1; }

.nav__cta { display: none; }
.site-header.is-light .nav__cta { --btn-bg: var(--blue-deep); --btn-fg: #fff; }
.site-header.is-light .nav__cta:hover { background: #26327f; }

.nav__toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.55rem;
}
.nav__toggle span {
  width: 24px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .25s var(--easing), opacity .2s var(--easing);
}
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s var(--easing);
  background: var(--navy-2);
  border-bottom: 1px solid var(--hairline-dark);
}
.mobile-menu.is-open { grid-template-rows: 1fr; }
.mobile-menu > div { overflow: hidden; }
.mobile-menu ul { padding: 0.5rem var(--pad-x) 1.5rem; display: grid; gap: 0.15rem; }
.mobile-menu a {
  display: block;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--on-dark);
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--hairline-dark);
}
.mobile-menu .btn { margin-top: 1.1rem; }

@media (min-width: 920px) {
  .nav__links { display: flex; }
  .nav__cta { display: inline-flex; }
  .nav__toggle { display: none; }
  .mobile-menu { display: none; }
}

/* ============================================================
   STREFA CIEMNA (hero + rozdziały + realizacje)
   ============================================================ */
.zone-dark {
  position: relative;
  color: var(--on-dark);
  background:
    radial-gradient(1200px 800px at 72% 12%, rgba(82, 113, 255, 0.20), transparent 60%),
    radial-gradient(900px 700px at 12% 78%, rgba(47, 62, 153, 0.28), transparent 62%),
    linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 55%, var(--navy) 100%);
}
/* siatka „blueprint" */
.zone-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(140, 166, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 166, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, transparent, #000 8%, #000 92%, transparent);
  pointer-events: none;
}

/* scena 3D — przyklejona, nie zajmuje miejsca w przepływie */
.stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  margin-bottom: -100vh;
  margin-bottom: -100dvh;
  z-index: 0;
  pointer-events: none;
}
.stage canvas { width: 100%; height: 100%; }
@media (max-width: 640px) { .stage canvas { opacity: 0.6; } }

.zone-dark > .hero,
.zone-dark > .chapter,
.zone-dark > .portfolio {
  position: relative;
  z-index: 1;
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-block: clamp(7rem, 16vh, 11rem) clamp(3rem, 8vh, 6rem);
}
.hero__inner { max-width: 40rem; }
.hero .eyebrow { color: var(--sky); margin-bottom: 1.4rem; }
.hero h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.6rem);
  color: var(--on-dark);
  text-shadow: 0 2px 24px rgba(9, 11, 30, 0.85);
}
.hero h1 .accent { color: var(--sky); }
.hero__lead {
  margin-top: 1.5rem;
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  color: var(--on-dark-soft);
  max-width: 34rem;
  text-shadow: 0 2px 18px rgba(9, 11, 30, 0.8);
}
.hero__actions {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}
.hero__actions .btn { flex: 1 1 auto; }
.hero__scroll {
  margin-top: 3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
}
.hero__scroll span {
  width: 1px; height: 2.4rem;
  background: linear-gradient(var(--sky), transparent);
  animation: scrollpulse 2.4s var(--easing) infinite;
}
@keyframes scrollpulse {
  0%, 100% { transform: scaleY(0.4); transform-origin: top; opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}
@media (min-width: 560px) {
  .hero__actions .btn { flex: 0 0 auto; }
}

/* ---------- Rozdziały narracji ---------- */
.chapter {
  min-height: 118vh;
  min-height: 118dvh;
  display: flex;
  align-items: center;
  padding-block: 8vh;
}
.chapter__panel {
  max-width: 30rem;
  margin-right: auto;
  padding: clamp(1.5rem, 4vw, 2.4rem);
  border-radius: var(--r-lg);
  background: rgba(14, 18, 48, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--hairline-dark);
}
.chapter--right .chapter__panel { margin-right: 0; margin-left: auto; }
/* mniej kosztowne renderowanie na telefonach */
@media (max-width: 640px) {
  .chapter__panel { background: rgba(12, 15, 40, 0.86); backdrop-filter: none; -webkit-backdrop-filter: none; }
}
.chapter__index {
  font-family: var(--f-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--sky);
}
.chapter__index b { color: var(--on-dark); font-weight: 500; margin-left: 0.5rem; letter-spacing: 0.2em; }
.chapter h2 {
  margin-top: 0.9rem;
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  color: var(--on-dark);
}
.chapter p {
  margin-top: 0.9rem;
  color: var(--on-dark-soft);
  font-size: 1.05rem;
}
.chapter__fig {
  display: none;
  margin-top: 1.6rem;
  width: 100%;
  max-width: 320px;
  height: auto;
}

/* ---------- Realizacje ---------- */
.portfolio { padding-block: clamp(5rem, 12vw, 9rem); }
.portfolio .eyebrow { color: var(--sky); margin-bottom: 1rem; }
.portfolio h2 { font-size: clamp(1.85rem, 4.2vw, 2.75rem); color: var(--on-dark); }
.portfolio__intro { max-width: 40rem; margin-bottom: 2.5rem; }
.portfolio__intro p { margin-top: 0.9rem; color: var(--on-dark-soft); }

.cases { display: grid; gap: 1.4rem; }
.case {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--hairline-dark);
  color: inherit;
  transition: transform .3s var(--easing), border-color .3s var(--easing);
}
.case:hover { transform: translateY(-6px); border-color: var(--sky); }
.case:hover .case__link { gap: 0.7rem; color: var(--on-dark); }

.browser { padding: 0.7rem 0.9rem 0; background: rgba(255,255,255,0.05); }
.browser__bar { display: flex; align-items: center; gap: 0.4rem; padding-bottom: 0.6rem; }
.browser__bar i { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: rgba(201, 212, 255, 0.35); }
.browser__bar span {
  margin-left: 0.5rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  color: var(--on-dark-faint);
  background: rgba(14, 18, 48, 0.6);
  border-radius: 999px;
  padding: 0.15rem 0.65rem;
}
.browser__shot-img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top center;
  background: var(--navy-2);
}

.case__body { padding: 1.35rem 1.5rem 1.6rem; display: flex; flex-direction: column; gap: 0.4rem; flex: 1; }
.case__tag { font-family: var(--f-mono); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sky); }
.case__body h3 { font-size: 1.15rem; color: var(--on-dark); }
.case__body p { font-size: 0.95rem; color: var(--on-dark-soft); }
.case__link {
  margin-top: auto;
  padding-top: 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--sky);
  transition: gap .2s var(--easing), color .2s var(--easing);
}

@media (min-width: 680px) { .cases { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cases { grid-template-columns: repeat(3, 1fr); } }

/* ============================================================
   CASE STUDY (podstrona realizacji)
   ============================================================ */
.cs__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
  margin-top: 1.4rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
}
.cs__meta b { color: var(--ink); font-weight: 600; }
.cs__lead { margin-top: 1.4rem; font-size: 1.12rem; color: var(--ink-soft); max-width: 42rem; }

.cs__frame {
  margin: 2.5rem 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--mist);
  box-shadow: var(--shadow);
  background: var(--paper);
}
.cs__frame .browser { background: #eef1fb; padding: 0.8rem 1rem 0; }
.cs__frame .browser__bar i { background: #c3cbec; }
.cs__frame .browser__bar span { background: #fff; color: #8b93bb; }
.cs__frame img { display: block; width: 100%; max-height: 560px; object-fit: cover; object-position: top center; }

.cs__phone {
  float: right;
  width: min(240px, 42%);
  margin: 0.4rem 0 1.4rem 1.6rem;
  border: 1px solid var(--mist);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}
.cs__phone img { display: block; width: 100%; }
.cs__phone figcaption { font-family: var(--f-mono); font-size: 0.7rem; color: var(--ink-faint); padding: 0.5rem 0.8rem; border-top: 1px solid var(--mist); text-align: center; }
@media (max-width: 520px) { .cs__phone { float: none; width: 220px; margin: 1.4rem auto; } }

.cs__cta {
  margin-top: 3rem;
  padding: clamp(1.6rem, 4vw, 2.4rem);
  border-radius: var(--r-lg);
  background: radial-gradient(600px 300px at 80% 10%, rgba(82,113,255,0.28), transparent 60%), linear-gradient(135deg, var(--navy), var(--blue-deep));
  color: var(--on-dark);
}
.cs__cta h2 { color: #fff; font-size: 1.4rem; }
.cs__cta p { color: var(--on-dark-soft); margin: 0.6rem 0 1.4rem; }
.cs__cta .btn { margin-right: 0.7rem; }

/* ============================================================
   STREFA JASNA (fakty + cennik + FAQ + kontakt)
   ============================================================ */
.zone-light {
  position: relative;
  z-index: 2;
  background: var(--cloud);
  color: var(--ink);
  border-top-left-radius: var(--r-lg);
  border-top-right-radius: var(--r-lg);
}

/* ---------- Pasek faktów ---------- */
.facts { border-bottom: 1px solid var(--mist); }
.facts__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 2rem;
  padding-block: clamp(2.5rem, 6vw, 3.5rem);
}
.fact { display: flex; flex-direction: column; gap: 0.35rem; }
.fact b {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.25;
}
.fact span { font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.06em; color: var(--ink-faint); text-transform: uppercase; }
@media (min-width: 860px) { .facts__grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Cennik ---------- */
.pricing { display: grid; gap: 1.4rem; align-items: start; }
.plan {
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--r-lg);
  padding: clamp(1.6rem, 3.4vw, 2.3rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform .25s var(--easing), box-shadow .25s var(--easing);
}
.plan:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.plan--featured { border: 2px solid var(--blue); box-shadow: var(--shadow); }
.plan__flag {
  align-self: flex-start;
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  background: var(--blue);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
}
.plan__name { font-family: var(--f-display); font-weight: 700; font-size: 1.3rem; }
.plan__price { font-family: var(--f-display); font-weight: 700; font-size: 2rem; line-height: 1.15; color: var(--ink); }
.plan__price small { display: block; font-size: 0.8rem; font-weight: 500; color: var(--ink-faint); }
.plan__desc { font-size: 0.92rem; color: var(--ink-faint); }
.plan ul { display: grid; gap: 0.55rem; }
.plan li { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.95rem; }
.plan li svg { width: 1.05rem; height: 1.05rem; color: var(--blue); flex: none; margin-top: 0.28rem; }
.plan .btn { margin-top: auto; }

.upsell {
  margin-top: 1.4rem;
  border-radius: var(--r-lg);
  padding: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--on-dark);
  background:
    radial-gradient(600px 300px at 85% 10%, rgba(82,113,255,0.35), transparent 60%),
    linear-gradient(135deg, var(--navy), var(--blue-deep));
  display: grid;
  gap: 1.2rem;
}
.upsell h3 { font-size: 1.4rem; color: #fff; }
.upsell p { color: var(--on-dark-soft); }
.upsell__price { font-family: var(--f-mono); font-size: 0.9rem; color: var(--sky); }
.upsell__list { display: grid; gap: 0.75rem; }
.upsell__list div { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.95rem; color: var(--on-dark-soft); }
.upsell__list svg { width: 1.15rem; height: 1.15rem; color: var(--sky); flex: none; margin-top: 0.18rem; }
.pricing-note { margin-top: 1.2rem; text-align: center; font-size: 0.86rem; color: var(--ink-faint); }

@media (min-width: 880px) {
  .pricing { grid-template-columns: repeat(3, 1fr); }
  .upsell { grid-template-columns: 1.1fr 1fr; align-items: center; }
}

/* ---------- FAQ ---------- */
#faq { border-block: 1px solid var(--mist); }
.faq { display: grid; gap: 0.85rem; max-width: 48rem; }
.faq__item { background: var(--paper); border: 1px solid var(--mist); border-radius: var(--r); overflow: hidden; }
.faq__q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 1.02rem;
  text-align: left;
  color: var(--ink);
}
.faq__q svg { width: 1.15rem; height: 1.15rem; flex: none; color: var(--blue); transition: transform .25s var(--easing); }
.faq__item.is-open .faq__q svg { transform: rotate(45deg); }
.faq__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .28s var(--easing); }
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }
.faq__a > div { overflow: hidden; }
.faq__a p { padding: 0 1.3rem 1.25rem; font-size: 0.97rem; color: var(--ink-soft); }

/* ---------- Kontakt ---------- */
.contact__grid { display: grid; gap: 2.5rem; }
.contact__lead { font-size: 1.05rem; color: var(--ink-soft); max-width: 34rem; }
.contact__methods { display: grid; gap: 1rem; margin-top: 1.8rem; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--r);
  padding: 1.1rem 1.25rem;
  transition: transform .2s var(--easing), border-color .2s var(--easing), box-shadow .2s var(--easing);
}
.contact-link:hover { transform: translateY(-3px); border-color: var(--blue); box-shadow: var(--shadow-sm); }
.contact-link svg { width: 1.5rem; height: 1.5rem; color: var(--blue-deep); flex: none; }
.contact-link b { font-family: var(--f-display); display: block; font-size: 1rem; color: var(--ink); }
.contact-link span { font-family: var(--f-mono); font-size: 0.8rem; color: var(--ink-faint); }
.contact__rodo { margin-top: 1.4rem; font-size: 0.82rem; color: var(--ink-faint); }
.contact__rodo a { color: var(--blue-deep); text-decoration: underline; }

.contact__aside {
  background: var(--paper);
  border: 1px solid var(--mist);
  border-radius: var(--r-lg);
  padding: clamp(1.6rem, 4vw, 2.2rem);
  align-self: start;
}
.contact__aside h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.contact__aside ol { display: grid; gap: 0.9rem; counter-reset: s; }
.contact__aside li { display: flex; gap: 0.8rem; font-size: 0.93rem; color: var(--ink-soft); }
.contact__aside li::before {
  counter-increment: s;
  content: counter(s);
  font-family: var(--f-mono);
  font-size: 0.75rem;
  width: 1.6rem; height: 1.6rem;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--mist);
  color: var(--blue-deep);
}

@media (min-width: 900px) {
  .contact__grid { grid-template-columns: 1.3fr 0.9fr; align-items: start; }
}

/* ============================================================
   STOPKA
   ============================================================ */
.site-footer {
  position: relative;
  z-index: 2;
  background: var(--navy);
  color: var(--on-dark-soft);
  padding-block: clamp(3rem, 7vw, 4.5rem) 2rem;
}
.site-footer a { color: var(--on-dark-soft); transition: color .18s var(--easing); }
.site-footer a:hover { color: #fff; }
.footer__top {
  display: grid;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--hairline-dark);
}
.footer__brand { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--f-display); font-weight: 700; font-size: 1.1rem; color: #fff; }
.footer__brand .mark-box { width: 32px; height: 32px; }
.footer__brand .mark { fill: var(--paper); stroke: var(--blue); }
.footer__tag { margin-top: 0.9rem; font-size: 0.92rem; max-width: 24rem; color: var(--on-dark-faint); }
.footer__col h4 { font-family: var(--f-mono); font-weight: 500; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); margin-bottom: 0.9rem; }
.footer__col a { display: block; font-size: 0.92rem; padding-block: 0.25rem; }
.footer__bottom {
  padding-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  color: var(--on-dark-faint);
}
@media (min-width: 780px) { .footer__top { grid-template-columns: 1.6fr 1fr 1fr; } }

/* ============================================================
   BANER COOKIES
   ============================================================ */
.cookie {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 150;
  max-width: 30rem;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--mist);
  border-radius: var(--r);
  box-shadow: var(--shadow-lg);
  padding: 1.15rem 1.25rem;
  transform: translateY(160%);
  transition: transform .4s var(--easing);
}
.cookie.is-shown { transform: none; }
.cookie p { font-size: 0.86rem; color: var(--ink-soft); }
.cookie p a { color: var(--blue-deep); text-decoration: underline; }
.cookie__row { display: flex; gap: 0.6rem; margin-top: 0.9rem; }
.cookie__row .btn { padding: 0.6rem 1.1rem; font-size: 0.88rem; }

/* ============================================================
   STRONY DOKUMENTOWE (polityka, regulamin, 404)
   ============================================================ */
.doc-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 246, 252, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--mist);
}
.doc-topbar .wrap { display: flex; align-items: center; justify-content: space-between; padding-block: 0.85rem; }
.doc-topbar__brand { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--f-display); font-weight: 700; color: var(--ink); }
.doc-topbar__brand .mark-box { width: 30px; height: 30px; }
.doc-topbar a.doc-topbar__home { font-family: var(--f-mono); font-size: 0.76rem; letter-spacing: 0.08em; color: var(--blue-deep); }

.doc {
  background: var(--cloud);
  color: var(--ink);
  min-height: 70vh;
  padding-block: clamp(3rem, 8vw, 5rem);
}
.doc__head { margin-bottom: 2.5rem; }
.doc__head .eyebrow { color: var(--blue-deep); margin-bottom: 0.9rem; }
.doc__head h1 { font-size: clamp(2rem, 5vw, 3rem); color: var(--ink); }
.doc__head p { margin-top: 0.6rem; color: var(--ink-faint); font-size: 0.95rem; }
.doc__body h2 { font-size: 1.25rem; margin: 2.2rem 0 0.7rem; color: var(--ink); }
.doc__body h3 { font-size: 1.02rem; margin: 1.4rem 0 0.4rem; color: var(--ink); font-family: var(--f-display); }
.doc__body p, .doc__body li { color: var(--ink-soft); font-size: 0.98rem; }
.doc__body p { margin-bottom: 0.8rem; }
.doc__body ul, .doc__body ol { margin: 0 0 1rem 1.3rem; display: grid; gap: 0.4rem; }
.doc__body ul { list-style: disc; }
.doc__body ol { list-style: decimal; }
.doc__body a { color: var(--blue-deep); text-decoration: underline; }
.doc__note {
  margin-top: 2.5rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--r);
  background: #fff;
  border: 1px solid var(--mist);
  font-size: 0.88rem;
  color: var(--ink-faint);
}
.doc__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--blue-deep);
}

/* strona 404 */
.err {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-content: center;
  text-align: center;
  padding: 2rem;
  color: var(--on-dark);
  background:
    radial-gradient(900px 600px at 50% 30%, rgba(82,113,255,0.22), transparent 60%),
    linear-gradient(180deg, var(--navy), var(--navy-2));
}
.err__code { font-family: var(--f-mono); font-size: 0.8rem; letter-spacing: 0.3em; color: var(--sky); }
.err h1 { font-size: clamp(2.2rem, 7vw, 4rem); margin: 1rem 0 0.6rem; }
.err p { color: var(--on-dark-soft); max-width: 30rem; margin-inline: auto; }
.err .btn { margin-top: 2rem; }

/* ============================================================
   ANIMACJE WEJŚCIA (czysty CSS, scroll-driven)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .reveal {
      animation: reveal-in linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 55%;
    }
    @keyframes reveal-in {
      from { opacity: 0; transform: translateY(26px); }
      to { opacity: 1; transform: none; }
    }
  }
}

/* ============================================================
   TRYB STATYCZNY  (brak WebGL / reduced-motion / słaby sprzęt)
   ============================================================ */
.hero__figure { display: none; fill: var(--paper); stroke: var(--blue); }

.is-static .stage { display: none; }
.is-static .hero {
  min-height: auto;
  padding-block: clamp(8rem, 18vh, 11rem) 3.5rem;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.is-static .hero__figure {
  display: block;
  width: min(240px, 55vw);
  height: auto;
  justify-self: start;
  filter: drop-shadow(0 20px 50px rgba(82, 113, 255, 0.35));
}
.is-static .chapter { min-height: auto; padding-block: clamp(3rem, 8vw, 5rem); }
.is-static .chapter__fig { display: block; }
.is-static .zone-dark::before { opacity: 0.55; }

@media (min-width: 860px) {
  .is-static .hero { grid-template-columns: 1.15fr 0.85fr; }
  .is-static .hero__figure { width: min(320px, 32vw); justify-self: center; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .hero__scroll span { animation: none; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .site-header, .stage, .cookie, .hero__scroll, .nav__toggle { display: none !important; }
  .zone-dark, .zone-light, .doc { background: #fff !important; color: #000 !important; }
}