/* ============================================================
   DEMO.CSS — Style dla strony demo.html
   Wczytywany PO style.css (nadpisuje globalne ustawienia
   overflow i background-attachment, które łamią sticky)
   ============================================================ */

/* ============================================================
   ZMIENNE GLOBALNE (spójne z resztą projektu)
   ============================================================ */
:root {
  --primary: #1191fa;
  --primary-glow: rgba(17, 145, 250, 0.4);
  --bg-dark: #050a14;
  --bg-card: rgba(255, 255, 255, 0.04);
}

/* ============================================================
   OVERRIDY GLOBALNYCH STYLÓW (style.css)
   overflow-x: hidden na html/body łamie position:sticky
   background-attachment: fixed łamie sticky w Chrome/Safari
   ============================================================ */
html {
  /* scroll-behavior: smooth USUNIĘTE — konflikt z GSAP ScrollTrigger */
  /* overflow-x: clip zamiast hidden (z style.css) — hidden łamie position:sticky */
  overflow-x: clip;
}

body {
  background-color: var(--bg-dark);
  /* background-attachment: fixed z style.css łamie position:sticky — nadpisujemy */
  background-attachment: scroll;
  background-image: none;
  color: white;
  font-family: 'Montserrat', sans-serif;
  /* overflow-x: clip zamiast hidden — hidden łamie position:sticky w Chrome/Safari */
  overflow-x: clip;
}

/* ============================================================
   LOADING SCREEN
   ============================================================ */
#loading-screen {
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loading-screen.hidden {
  opacity: 0 !important;
  visibility: hidden !important;
  display: flex !important;
}

/* ============================================================
   PASEK POSTĘPU STRONY (scroll progress)
   ============================================================ */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, #1191fa, #a855f7, #ec4899);
  z-index: 10000;
  box-shadow: 0 0 10px var(--primary-glow);
}

/* ============================================================
   HERO INTRO (krótka sekcja nad animacją)
   ============================================================ */
.demo-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.demo-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(17, 145, 250, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(17, 145, 250, 0.1);
  border: 1px solid rgba(17, 145, 250, 0.3);
  border-radius: 99px;
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 2rem;
}

.demo-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
  animation: pulse-dot 1.8s ease-in-out infinite;
}

@keyframes pulse-dot {

  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.5;
    transform: scale(0.7);
  }
}

.demo-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.demo-title-gradient {
  background: linear-gradient(90deg, #1191fa, #a855f7, #ec4899);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 4s ease-in-out infinite;
}

@keyframes gradient-shift {

  0%,
  100% {
    background-position: 0% center;
  }

  50% {
    background-position: 100% center;
  }
}

.demo-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255, 255, 255, 0.6);
  max-width: 560px;
  margin: 0 auto 3rem;
  line-height: 1.7;
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
}

.scroll-down-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: float-hint 2.5s ease-in-out infinite;
}

@keyframes float-hint {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.scroll-down-hint .material-symbols-outlined {
  font-size: 2rem;
  color: var(--primary);
}

/* ============================================================
   SEKCJA ANIMACJI SCROLLOWEJ
   ============================================================ */

/* Kontener centrujący animację — pełna szerokość na mobile,
   80% na dużych ekranach */
#animation-container {
  width: 100%;
  height: 100%;
  margin: 0 auto;
}

@media (min-width: 1280px) {
  #animation-container {
    width: 80%;
  }
}

#scroll-animation-section {
  /* DOSTOSUJ: height = czas trwania animacji
     500vh = ok. 5 "ekranów" przewijania
     Dla dłuższego/wolniejszego efektu użyj 700vh–900vh */
  height: 500vh;
  position: relative;
}

#canvas-sticky-wrapper {
  position: sticky;
  top: 0;
  height: calc(100vh - 80px);
  /* 80px margines od dołu ekranu */
  width: 100%;
  overflow: hidden;
  z-index: 10;
}

#hero-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Overlay — napisy narracyjne synchronizowane ze scrollem */
#canvas-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  /* usunięto flex dla centralnego ustawienia, przechodzimy na pozycjonowanie w scroll-caption */
}

.scroll-caption {
  position: absolute;
  bottom: 7rem;
  /* lekko ponad paskiem postępu (który ma bottom: 2rem) */
  left: 1rem;
  right: 1rem;
  margin: 0 auto;
  /* centrowanie w poziomie */
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  max-width: 480px;
  text-align: center;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.9), 0 2px 20px rgba(0, 0, 0, 0.6);
  background: rgba(5, 10, 20, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.scroll-caption.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-caption h2 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.scroll-caption p {
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: rgba(255, 255, 255, 0.95);
  font-family: 'Open Sans', sans-serif;
  line-height: 1.6;
}

/* Pasek postępu animacji */
#animation-progress {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.progress-track {
  width: 120px;
  height: 2px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 99px;
  overflow: hidden;
}

#anim-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #1191fa, #a855f7);
  border-radius: 99px;
  transition: width 0.05s linear;
}

.progress-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

/* ============================================================
   SEKCJA PO ANIMACJI (CTA)
   ============================================================ */
.post-animation-section {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, transparent 0%, rgba(17, 145, 250, 0.04) 50%, transparent 100%);
}

.post-animation-section h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 1.25rem;
}

.post-animation-section p {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: rgba(255, 255, 255, 0.6);
  max-width: 560px;
  margin: 0 auto 3rem;
  font-family: 'Open Sans', sans-serif;
  line-height: 1.7;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.85rem 2rem;
  border-radius: 99px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
  transform: scale(1.04);
  box-shadow: 0 6px 30px var(--primary-glow);
}

/* ============================================================
   FALLBACK DLA ZREDUKOWANEGO RUCHU
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  #scroll-animation-section {
    height: auto;
  }

  #canvas-sticky-wrapper {
    position: relative;
  }

  #hero-canvas {
    display: none;
  }

  #reduced-motion-fallback {
    display: flex !important;
  }
}

#reduced-motion-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  height: 60vh;
  background: var(--bg-card);
  border-radius: 1rem;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  text-align: center;
  padding: 2rem;
  margin: 2rem;
}

/* ============================================================
   CUSTOM CURSOR (spójny z resztą projektu)
   ============================================================ */
.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(circle, rgba(17, 145, 250, 0.12) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  mix-blend-mode: screen;
  will-change: left, top;
}

.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: #1191fa;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px rgba(17, 145, 250, 0.8), 0 0 40px rgba(17, 145, 250, 0.4);
  transition: width 0.2s ease, height 0.2s ease;
  will-change: left, top;
}

@media (max-width: 768px) {

  .cursor-glow,
  .cursor-dot {
    display: none;
  }
}