/* =====================================================================
   FutureWeb - heavy.css
   Style ladowane tylko na widokach z 3D / GSAP / Lab.
   ===================================================================== */

/* ---------- Hero canvas zoom ---------- */
.fw-hero__canvas {
  cursor: grab;
}
.fw-hero__canvas:active {
  cursor: grabbing;
}

/* Hint "klik i przeciagnij" - znika po pierwszej interakcji. */
.fw-hero__hint {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: color-mix(in oklab, var(--fw-surface) 80%, transparent);
  border: 1px solid var(--fw-line-strong);
  color: var(--fw-ink-muted);
  font-size: 0.78rem;
  font-weight: 500;
  pointer-events: none;
  opacity: 0.92;
  animation: fw-hint-bob 2.4s ease-in-out infinite;
  transition:
    opacity 0.5s var(--fw-ease),
    transform 0.5s var(--fw-ease);
  z-index: 2;
}
.fw-hero__hint.is-hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(8px);
}
@keyframes fw-hint-bob {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-3px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .fw-hero__hint {
    animation: none;
  }
}

/* Globalny canvas pyłku za kursorem (heavy.js wstawia element). */
.fw-cursor-trail {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
}
@media (hover: none) {
  .fw-cursor-trail {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .fw-cursor-trail {
    display: none;
  }
}

/* ---------- Lab specific ---------- */
.fw-lab__stage--3d {
  background: linear-gradient(135deg, #06122b 0%, #1e3a8a 100%);
}
.fw-lab__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--fw-line);
  background: var(--fw-bg-soft);
}
.fw-lab__controls label {
  font-size: 0.825rem;
  color: var(--fw-ink-muted);
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.fw-lab__controls input[type="color"] {
  width: 32px;
  height: 28px;
  border: 1px solid var(--fw-line-strong);
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
  background: transparent;
}
.fw-lab__controls input[type="range"] {
  width: 100px;
}

/* ---------- Before/after slider ---------- */
.fw-ba {
  position: relative;
  width: 100%;
  height: 100%;
  user-select: none;
  overflow: hidden;
  cursor: ew-resize;
}
.fw-ba__layer {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--fw-font-display);
  color: #fff;
  font-weight: 700;
  font-size: clamp(1.1rem, 2vw, 1.75rem);
  background-size: cover;
  background-position: center;
}
.fw-ba__layer--before {
  background: linear-gradient(135deg, #d6dde8 0%, #b6c2d4 100%);
  color: #475063;
}
.fw-ba__layer--before::before {
  content: "Zwykla strona";
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(255, 255, 255, 0.9);
  color: #475063;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}
.fw-ba__layer--after {
  background: linear-gradient(135deg, #00b7ff 0%, #1e3a8a 60%, #ff2d87 100%);
  clip-path: inset(0 0 0 50%);
  transition: clip-path var(--fw-dur-fast) var(--fw-ease);
}
.fw-ba__layer--after::before {
  content: "FutureWeb";
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: #fff;
  color: var(--fw-ink);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}
.fw-ba__handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: #fff;
  transform: translateX(-50%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.1);
}
.fw-ba__handle::after {
  content: "⇆";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  color: var(--fw-ink);
  display: grid;
  place-items: center;
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

/* ---------- Particle stage ---------- */
.fw-lab__stage--particles {
  background: linear-gradient(135deg, #eaf0f6 0%, #ffffff 100%);
}
.fw-particles {
  position: absolute;
  inset: 0;
}

/* ---------- Mini hero kreator ---------- */
.fw-creator__preview {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  transition: background 0.4s var(--fw-ease);
  font-family: var(--fw-font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: #fff;
  padding: 1.5rem;
  text-align: center;
  background: linear-gradient(135deg, #00b7ff 0%, #1e3a8a 100%);
}

/* ---------- Reveal animation klasa, zarzadzana przez GSAP / IntersectionObserver ---------- */
.fw-reveal {
  opacity: 0;
  transform: translateY(24px);
}
.fw-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.7s var(--fw-ease),
    transform 0.7s var(--fw-ease);
}
@media (prefers-reduced-motion: reduce) {
  .fw-reveal {
    opacity: 1;
    transform: none;
  }
}