/* ── Page Transition ── */
@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-transition {
  animation: page-enter 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* ── Button Press Micro-interaction ── */
.btn-press {
  transition: transform 0.12s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.12s ease;
}
.btn-press:active {
  transform: scale(0.95);
}

/* ── Interactive Card Hover ── */
.card-hover {
  transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.28s ease;
}
.card-hover:hover {
  transform: translateY(-5px);
}

/* ── Icon Bounce on Hover ── */
.icon-bounce {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: inline-block;
}
.icon-bounce:hover {
  transform: scale(1.2) rotate(-5deg);
}

/* ── Underline Draw Animation (navbar links) ── */
.nav-underline {
  position: relative;
}
.nav-underline::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background-color: currentColor;
  transition: width 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-underline:hover::after,
.nav-underline.active::after {
  width: 100%;
}

/* ── Shimmer Loading ── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.shimmer {
  background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s infinite;
}

/* ── Pulse Ring (CTA / stats) ── */
@keyframes pulse-ring {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.5); opacity: 0; }
}
.pulse-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: currentColor;
  opacity: 0;
  animation: pulse-ring 2s cubic-bezier(0.24, 1, 0.38, 1) infinite;
}

/* ── Arrow Slide on Hover (CTA links) ── */
.arrow-slide {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}
.arrow-slide:hover {
  gap: 8px;
}
.arrow-slide .arrow-icon {
  transition: transform 0.2s ease;
}
.arrow-slide:hover .arrow-icon {
  transform: translateX(3px);
}

/* ── Float animation for hero elements ── */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}
.float-anim {
  animation: float 4s ease-in-out infinite;
}

/* ── Scroll Reveal Animations ── */
.reveal-hidden {
  opacity: 0;
  transition-property: opacity, transform;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.reveal-visible {
  opacity: 1;
  transform: none;
}

.reveal-fade-up {
  transform: translateY(40px);
}
.reveal-visible.reveal-fade-up {
  transform: translateY(0);
}

.reveal-fade-down {
  transform: translateY(-40px);
}
.reveal-visible.reveal-fade-down {
  transform: translateY(0);
}

.reveal-fade-left {
  transform: translateX(40px);
}
.reveal-visible.reveal-fade-left {
  transform: translateX(0);
}

.reveal-fade-right {
  transform: translateX(-40px);
}
.reveal-visible.reveal-fade-right {
  transform: translateX(0);
}

.reveal-fade-in {
  transform: none;
}

.reveal-scale-in {
  transform: scale(0.92);
}
.reveal-visible.reveal-scale-in {
  transform: scale(1);
}

.reveal-slide-up {
  transform: translateY(60px);
}
.reveal-visible.reveal-slide-up {
  transform: translateY(0);
}

/* ── Stagger utility classes ── */
.stagger-1  { transition-delay: 0.1s; }
.stagger-2  { transition-delay: 0.2s; }
.stagger-3  { transition-delay: 0.3s; }
.stagger-4  { transition-delay: 0.4s; }
.stagger-5  { transition-delay: 0.5s; }
.stagger-6  { transition-delay: 0.6s; }
.stagger-7  { transition-delay: 0.7s; }
.stagger-8  { transition-delay: 0.8s; }