/* ============================================
   IRONBET SUBTLE ANIMATIONS SYSTEM
   Animazioni eleganti e non invadenti
   ============================================ */

:root {
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --duration-fast: 0.2s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* ============================================
   SCROLL REVEAL - Sottile fade in
   ============================================ */

[data-animate="fade-up"] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

[data-animate="fade-up"].animated {
  opacity: 1;
  transform: translateY(0);
}

[data-animate="fade-in"] {
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

[data-animate="fade-in"].animated {
  opacity: 1;
}

[data-animate="scale-up"] {
  opacity: 0;
  transform: scale(0.98);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

[data-animate="scale-up"].animated {
  opacity: 1;
  transform: scale(1);
}

/* ============================================
   STAGGER - Animazione sequenziale sottile
   ============================================ */

[data-animate-stagger] > * {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
}

[data-animate-stagger].animated > * {
  opacity: 1;
  transform: translateY(0);
}

[data-animate-stagger].animated > *:nth-child(1) { transition-delay: 0.05s; }
[data-animate-stagger].animated > *:nth-child(2) { transition-delay: 0.1s; }
[data-animate-stagger].animated > *:nth-child(3) { transition-delay: 0.15s; }
[data-animate-stagger].animated > *:nth-child(4) { transition-delay: 0.2s; }
[data-animate-stagger].animated > *:nth-child(5) { transition-delay: 0.25s; }
[data-animate-stagger].animated > *:nth-child(6) { transition-delay: 0.3s; }

/* ============================================
   HOVER EFFECTS - Delicati
   ============================================ */

/* Lift leggero con ombra */
.hover-lift-glow {
  transition: transform var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.hover-lift-glow:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

/* Glass enhance sottile */
.hover-glass-enhance {
  transition: background var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth);
}

.hover-glass-enhance:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}

/* Zoom immagine delicato */
.hover-img-zoom {
  overflow: hidden;
}

.hover-img-zoom img {
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.hover-img-zoom:hover img {
  transform: scale(1.03);
}

/* Press button sottile */
.hover-press {
  transition: transform var(--duration-fast) var(--ease-smooth);
}

.hover-press:hover {
  transform: scale(1.02);
}

.hover-press:active {
  transform: scale(0.98);
}

/* Glow text leggero */
.hover-glow-text {
  transition: text-shadow var(--duration-normal) var(--ease-smooth);
}

.hover-glow-text:hover {
  text-shadow: 0 0 20px rgba(213, 59, 69, 0.4);
}

/* Background slide sottile */
.hover-bg-slide {
  position: relative;
  overflow: hidden;
}

.hover-bg-slide::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(213, 59, 69, 0.08), transparent);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-smooth);
  z-index: 0;
}

.hover-bg-slide:hover::before {
  opacity: 1;
}

/* ============================================
   KEYFRAME ANIMATIONS - Sottili
   ============================================ */

/* Float leggero */
@keyframes floatSmooth {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.animate-float-smooth {
  animation: floatSmooth 4s ease-in-out infinite;
}

/* Pulse glow delicato */
@keyframes pulseGlowSoft {
  0%, 100% { box-shadow: 0 0 15px rgba(213, 59, 69, 0.2); }
  50% { box-shadow: 0 0 25px rgba(213, 59, 69, 0.35); }
}

.animate-pulse-glow-enhanced {
  animation: pulseGlowSoft 3s ease-in-out infinite;
}

/* Breathing leggero per icone */
@keyframes breathingSoft {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.animate-breathing {
  animation: breathingSoft 3s ease-in-out infinite;
}

/* Border glow sottile */
@keyframes borderGlowSoft {
  0%, 100% { border-color: rgba(213, 59, 69, 0.2); }
  50% { border-color: rgba(213, 59, 69, 0.4); }
}

.animate-border-glow {
  animation: borderGlowSoft 3s ease-in-out infinite;
}

/* Gradient border animato - sottile */
@keyframes gradientBorderFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.gradient-border-animated::before {
  background: linear-gradient(90deg, #d53b45, #ff2f3d, #d53b45);
  background-size: 200% 100%;
  animation: gradientBorderFlow 4s ease infinite;
}

/* ============================================
   RIPPLE EFFECT - Sottile
   ============================================ */

.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ============================================
   TILT 3D - Molto leggero (quasi impercettibile)
   ============================================ */

[data-tilt] {
  transition: transform var(--duration-fast) var(--ease-out);
}

/* ============================================
   LOADING STATES
   ============================================ */

.skeleton {
  background: linear-gradient(90deg, 
    rgba(255,255,255,0.03) 25%, 
    rgba(255,255,255,0.06) 50%, 
    rgba(255,255,255,0.03) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

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

/* ============================================
   RISPETTA LE PREFERENZE UTENTE
   ============================================ */

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

/* ============================================
   DELAY UTILITIES
   ============================================ */

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }