/* ============================================================
   SirenUA.online — Animations & Micro-Interactions
   ============================================================ */

/* ── Keyframes ── */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in-down {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-left {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes chat-slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes radar-sweep {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 0.6; }
  100% { transform: scale(1.8); opacity: 0; }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(34,211,238,0.15); }
  50% { box-shadow: 0 0 40px rgba(34,211,238,0.3), 0 0 60px rgba(34,211,238,0.1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; }
  30% { opacity: 1; }
}

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

@keyframes border-glow {
  0%, 100% { border-color: rgba(34,211,238,0.15); }
  50% { border-color: rgba(34,211,238,0.4); }
}

@keyframes count-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Scroll Reveal Classes ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delay helpers */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }
.delay-5 { transition-delay: 500ms; }
.delay-6 { transition-delay: 600ms; }

/* ── Radar Sweep Effect ── */
.radar-container {
  position: absolute;
  width: 500px;
  height: 500px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0.12;
}

.radar-ring {
  position: absolute;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.radar-ring--1 { width: 150px; height: 150px; opacity: 0.4; }
.radar-ring--2 { width: 300px; height: 300px; opacity: 0.25; }
.radar-ring--3 { width: 450px; height: 450px; opacity: 0.15; }

.radar-sweep-line {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 2px;
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan), transparent);
  animation: radar-sweep 4s linear infinite;
}

.radar-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

/* ── Pulse Ring Effect ── */
.pulse-ring-container {
  position: relative;
  display: inline-flex;
}

.pulse-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  animation: pulse-ring 2s ease-out infinite;
}

/* ── Glass Shimmer on Hover ── */
.glass-shimmer {
  position: relative;
  overflow: hidden;
}

.glass-shimmer::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    135deg,
    transparent 40%,
    rgba(255,255,255,0.03) 45%,
    rgba(255,255,255,0.06) 50%,
    rgba(255,255,255,0.03) 55%,
    transparent 60%
  );
  transform: rotate(0deg);
  transition: transform 0.8s ease;
  pointer-events: none;
}

.glass-shimmer:hover::after {
  transform: rotate(180deg);
}

/* ── CTA Button Pulse ── */
.btn-pulse {
  animation: glow-pulse 3s ease-in-out infinite;
}

/* ── Floating Animation ── */
.float {
  animation: float 6s ease-in-out infinite;
}

.float-delay-1 { animation-delay: 0.5s; }
.float-delay-2 { animation-delay: 1s; }
.float-delay-3 { animation-delay: 1.5s; }

/* ── Typing Indicator ── */
.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 8px 12px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
}

.typing-indicator span:nth-child(1) { animation: typing 1.4s infinite 0s; }
.typing-indicator span:nth-child(2) { animation: typing 1.4s infinite 0.2s; }
.typing-indicator span:nth-child(3) { animation: typing 1.4s infinite 0.4s; }

/* ── Gradient Border Animation ── */
.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--gradient-accent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 1px;
  background-size: 200% 200%;
  animation: gradient-shift 4s ease infinite;
}

/* ── Animated Counter ── */
.counter-animated {
  animation: count-up 0.6s ease-out forwards;
}

/* ── Hero Entry Animation ── */
.hero-content > * {
  animation: fade-in-up 0.8s ease-out forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }
.hero-content > *:nth-child(5) { animation-delay: 0.5s; }

/* ── Ambient Glow Overlay ── */
.ambient-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-behind);
  filter: blur(120px);
  opacity: 0.04;
}

.ambient-glow--cyan {
  background: var(--cyan);
  top: -200px;
  right: -200px;
}

.ambient-glow--purple {
  background: var(--purple);
  bottom: -200px;
  left: -200px;
}

/* ── Parallax Section Background ── */
.parallax-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: var(--z-behind);
}

.parallax-grid {
  position: absolute;
  inset: -10%;
  background-image:
    linear-gradient(rgba(34,211,238,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: perspective(500px) rotateX(60deg);
  transform-origin: center bottom;
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1;
    transform: none;
  }
}