/* Animaciones al scroll */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Delays escalonados */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }

/* Efecto glassmorphism header */
.glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Hover cards */
.card-hover {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(11, 19, 43, 0.1);
}

/* Botón animado */
.btn-pulse {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.btn-pulse::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s;
}
.btn-pulse:hover::before {
  width: 300px;
  height: 300px;
}

/* Línea decorativa animada */
.line-grow {
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}
.line-grow.visible {
  width: 80px;
}

/* Scroll suave */
html {
  scroll-behavior: smooth;
}

/* Selección de texto */
::selection {
  background: rgba(50, 205, 50, 0.2);
  color: #0B132B;
}

/* Imágenes con transición */
img {
  transition: transform 0.3s ease;
}