/* ================================================
   BienStar2 - Animations
   Archivo: css/animations.css
   ================================================ */

/* ── Fade In ── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-40px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(50px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Scale ── */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes scalePulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.05); }
}

/* ── Float ── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%       { transform: translateY(-20px) rotate(2deg); }
}

/* ── Glow ── */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(79, 142, 247, 0.3); }
  50%       { box-shadow: 0 0 40px rgba(79, 142, 247, 0.7), 0 0 60px rgba(79, 142, 247, 0.3); }
}

@keyframes glowPulseText {
  0%, 100% { text-shadow: 0 0 10px rgba(79,142,247,0.4); }
  50%       { text-shadow: 0 0 25px rgba(79,142,247,0.9), 0 0 50px rgba(79,142,247,0.4); }
}

@keyframes glowPurple {
  0%, 100% { box-shadow: 0 0 20px rgba(168, 85, 247, 0.3); }
  50%       { box-shadow: 0 0 40px rgba(168, 85, 247, 0.7), 0 0 60px rgba(168, 85, 247, 0.3); }
}

/* ── Slide ── */
@keyframes slideInLeft {
  from { transform: translateX(-100%); opacity: 0; }
  to   { transform: translateX(0);     opacity: 1; }
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

@keyframes slideInUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

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

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

/* ── Shimmer ── */
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ── Particles ── */
@keyframes particleFloat {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.6; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ── Border glow rotate ── */
@keyframes borderRotate {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ── Typing cursor ── */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ── Bounce ── */
@keyframes bounce {
  0%, 100% { transform: translateY(0); animation-timing-function: cubic-bezier(0.8, 0, 1, 1); }
  50%       { transform: translateY(-12px); animation-timing-function: cubic-bezier(0, 0, 0.2, 1); }
}

/* ── Wave ── */
@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50%       { transform: scaleY(1.4); }
}

/* ══════════════════════════════════════════
   UTILITY CLASSES
   ══════════════════════════════════════════ */

/* Fade In Up — usado para scroll reveal */
.anim-fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.anim-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-fade-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.anim-fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.anim-fade-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.anim-fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.anim-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.anim-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* Float permanente en imagen */
.float-img {
  animation: floatSlow 6s ease-in-out infinite;
}

/* Glow permanente en botón o card */
.glow-box {
  animation: glowPulse 3s ease-in-out infinite;
}
.glow-box-purple {
  animation: glowPurple 3s ease-in-out infinite;
}

/* Shimmer en texto */
.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--text) 0%,
    var(--primary) 25%,
    var(--accent) 50%,
    var(--secondary) 75%,
    var(--text) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ── Particle system wrapper ── */
.particles-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  border-radius: 50%;
  animation: particleFloat linear infinite;
  opacity: 0;
}

/* ── Hero title animation (entrada) ── */
.hero-title-anim {
  animation: fadeInUp 1s ease 0.2s both;
}
.hero-subtitle-anim {
  animation: fadeInUp 1s ease 0.45s both;
}
.hero-badge-anim {
  animation: fadeInUp 1s ease 0.15s both;
}
.hero-buttons-anim {
  animation: fadeInUp 1s ease 0.65s both;
}
.hero-img-anim {
  animation: scaleIn 1s ease 0.5s both;
}

/* ── Scroll indicator ── */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.scroll-indicator span {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-mouse {
  width: 26px;
  height: 40px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 13px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-mouse::after {
  content: '';
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: bounce 1.5s ease-in-out infinite;
}

/* ── Page transition ── */
.page-enter {
  animation: fadeIn 0.5s ease both;
}

/* ── Loading spinner ── */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(79,142,247,0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Stagger children ── */
.stagger-children > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.15s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.25s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.35s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.45s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.55s; }

/* ── Gradient border animated ── */
.gradient-border {
  position: relative;
  border-radius: var(--radius-lg);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent), var(--primary));
  background-size: 300% 300%;
  animation: borderRotate 4s ease infinite;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gradient-border:hover::before { opacity: 1; }