/* ============================================================
   FURRIZO AI — ANIMATIONS
   Все CSS-анимации и keyframes. Используется вместе с animations.js.
   ============================================================ */

/* ── KEYFRAMES ── */

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes shimmer {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0px, 0px) scale(1); }
  33%       { transform: translate(40px, -40px) scale(1.06); }
  66%       { transform: translate(-25px, 25px) scale(0.94); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0px, 0px) scale(1); }
  33%       { transform: translate(-35px, 30px) scale(1.04); }
  66%       { transform: translate(30px, -20px) scale(0.96); }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(0,217,255,0.15); }
  50%       { box-shadow: 0 0 40px rgba(0,217,255,0.35); }
}

@keyframes pulseBorder {
  0%, 100% { border-color: rgba(255,255,255,0.08); }
  50%       { border-color: rgba(0,217,255,0.3); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes progressBar {
  from { width: 0%; }
  to   { width: 100%; }
}

@keyframes countBadge {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-6px); }
}

@keyframes flipIn {
  from { transform: rotateX(-90deg); opacity: 0; }
  to   { transform: rotateX(0deg);   opacity: 1; }
}

/* ── SCROLL REVEAL ── */
/* Базовое состояние — скрыто */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity  var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

[data-reveal="scale"] {
  transform: scale(0.94) translateY(16px);
}

[data-reveal="left"] {
  transform: translateX(-32px);
}

[data-reveal="right"] {
  transform: translateX(32px);
}

/* Видимое состояние */
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger delays для дочерних элементов */
[data-stagger] > *:nth-child(1)  { transition-delay:   0ms; }
[data-stagger] > *:nth-child(2)  { transition-delay:  80ms; }
[data-stagger] > *:nth-child(3)  { transition-delay: 160ms; }
[data-stagger] > *:nth-child(4)  { transition-delay: 240ms; }
[data-stagger] > *:nth-child(5)  { transition-delay: 320ms; }
[data-stagger] > *:nth-child(6)  { transition-delay: 400ms; }

[data-stagger] > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity  0.5s var(--ease-out),
    transform 0.5s var(--ease-out);
}

[data-stagger].is-visible > * {
  opacity: 1;
  transform: none;
}

/* ── HERO ENTRANCE (стартовая анимация) ── */
.hero-badge    { animation: fadeInDown 0.5s var(--ease-out) 0.1s both; }
.hero-title    { animation: fadeInUp   0.7s var(--ease-out) 0.2s both; }
.hero-subtitle { animation: fadeInUp   0.7s var(--ease-out) 0.35s both; }
.hero-cta      { animation: fadeInUp   0.6s var(--ease-out) 0.5s both; }
.hero-trust    { animation: fadeInUp   0.6s var(--ease-out) 0.65s both; }
.hero-visual   { animation: scaleIn    0.8s var(--ease-out) 0.3s both; }

/* ── AMBIENT ORB ── */
.orb-1 { animation: orbFloat1 18s ease-in-out infinite; }
.orb-2 { animation: orbFloat2 22s ease-in-out infinite; }

/* ── TICKER (бегущая строка) ── */
.ticker-track {
  display: flex;
  animation: ticker 30s linear infinite;
  width: max-content;
}
.ticker-track:hover { animation-play-state: paused; }

/* ── GRADIENT TEXT (анимированный) ── */
.gradient-text-animated {
  background: linear-gradient(90deg, #00D9FF, #7B2FBE, #00D9FF);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s linear infinite;
}

/* ── FLOATING BADGE ── */
.float-badge { animation: floatBadge 3s ease-in-out infinite; }

/* ── PULSE GLOW (кнопка / featured элемент) ── */
.pulse-glow { animation: pulseGlow 2.5s ease-in-out infinite; }

/* ── NAV TRANSITION ── */
.nav-scrolled {
  background: rgba(8, 11, 20, 0.92) !important;
  backdrop-filter: blur(20px) !important;
  border-bottom-color: rgba(255,255,255,0.06) !important;
  box-shadow: 0 1px 40px rgba(0,0,0,0.4) !important;
  transition: all var(--duration-normal) var(--ease-smooth);
}

/* ── PAGE TRANSITION ── */
.page-transition {
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

/* ── CARD HOVER ── */
.card-hover {
  transition:
    transform  var(--duration-normal) var(--ease-spring),
    box-shadow var(--duration-normal) var(--ease-smooth),
    border-color var(--duration-normal) var(--ease-smooth);
}
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: var(--glow-cyan), var(--glow-card);
  border-color: rgba(0, 217, 255, 0.25);
}

/* ── MOBILE BAR (появление) ── */
.mobile-cta-bar {
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-spring);
}
.mobile-cta-bar.is-visible {
  transform: translateY(0);
}

/* ── ACCORDION ── */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-slow) var(--ease-smooth),
              padding    var(--duration-slow) var(--ease-smooth);
}
.accordion-content.is-open {
  max-height: min(3200px, 92vh);
}

/* Аккордеоны не скрываем через scroll-reveal — иначе клики и раскрытие ломаются */
.accordion-item[data-reveal] {
  opacity: 1;
  transform: none;
}

/* ── PROGRESS BAR (чтение статьи) ── */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--gradient-brand-h);
  z-index: var(--z-nav);
  width: 0%;
  transition: width 0.1s linear;
}

/* ── SKELETON LOADER ── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 25%,
    var(--bg-hover)    50%,
    var(--bg-elevated) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ── Доступность: меньше движения (системная настройка ОС) ── */
@media (prefers-reduced-motion: reduce) {
  .ticker-track {
    animation: none !important;
  }

  .ticker-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    mask-image: none;
    justify-content: flex-start;
  }

  .orb-1,
  .orb-2 {
    animation: none !important;
  }

  .pulse-glow,
  .float-badge {
    animation: none !important;
  }

  .gradient-text-animated {
    animation: none !important;
  }

  .hero-badge,
  .hero-title,
  .hero-subtitle,
  .hero-cta,
  .hero-trust,
  .hero-visual {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .page-transition {
    animation: none !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  [data-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .accordion-content {
    transition: none !important;
  }

  .skeleton {
    animation: none !important;
  }

  .card-hover:hover,
  .journey-path__card:hover {
    transform: none !important;
  }
}