:root {
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-spring: cubic-bezier(0.22, 1.12, 0.36, 1);

  --duration-press: 140ms;
  --duration-fast: 180ms;
  --duration-normal: 240ms;
  --duration-modal: 320ms;
}

.btn,
.niche-tab,
.lead-subtab,
.pitch-tab,
.lang-btn,
.chip-select,
.copy-btn {
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  transition:
    transform var(--duration-press) var(--ease-out),
    background-color var(--duration-fast) ease,
    border-color var(--duration-fast) ease,
    color var(--duration-fast) ease,
    box-shadow var(--duration-fast) var(--ease-out);
}

.btn:active,
.niche-tab:active,
.lead-subtab:active,
.pitch-tab:active,
.lang-btn:active,
.chip-select:active,
.copy-btn:active {
  transform: scale(0.97);
}

.blur-morph-target {
  transition:
    opacity 170ms var(--ease-out),
    transform 170ms var(--ease-out),
    filter 170ms var(--ease-out);
  will-change: opacity, transform, filter;
}

.blur-morph-target.is-morphing {
  opacity: 0.45;
  filter: blur(2.5px);
  transform: scale(0.992) translateY(2px);
}

.btn-label-morph {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition:
    filter 160ms ease,
    opacity 160ms ease,
    transform 160ms var(--ease-out);
}

.btn-label-morph.is-swapping {
  filter: blur(2px);
  opacity: 0.55;
  transform: scale(0.96);
}

@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.stagger-item {
  opacity: 0;
  transform: translateY(10px) scale(0.985);
  animation: heroReveal 420ms var(--ease-out) forwards;
}

.stagger-1 { animation-delay: 0ms; }
.stagger-2 { animation-delay: 45ms; }
.stagger-3 { animation-delay: 90ms; }
.stagger-4 { animation-delay: 135ms; }
.stagger-5 { animation-delay: 180ms; }

@keyframes statusPulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.92);
  }
}

.pulse-dot {
  animation: statusPulse 2.4s ease-in-out infinite;
}

.toast-notification {
  opacity: 0;
  transform: translateY(100%) scale(0.96);
  transition:
    transform 260ms var(--ease-drawer),
    opacity 220ms var(--ease-out);
  pointer-events: none;
}

.toast-notification.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.modal-backdrop {
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms var(--ease-out);
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 240ms var(--ease-out);
}

.modal-dialog {
  opacity: 0;
  transform: scale(0.96) translateY(8px);
  transform-origin: center;
  transition:
    transform 180ms var(--ease-out),
    opacity 160ms var(--ease-out);
}

.modal-backdrop.is-open .modal-dialog {
  opacity: 1;
  transform: scale(1) translateY(0);
  transition:
    transform 280ms var(--ease-drawer),
    opacity 220ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    background-color: #3b82f6;
    box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.4), 0 8px 24px -4px rgba(37, 99, 235, 0.45);
  }

  .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
  }

  .card-interactive:hover {
    border-color: rgba(255, 255, 255, 0.16);
    background-color: rgba(255, 255, 255, 0.042);
  }

  .niche-tab:not(.is-active):hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.04);
  }

  .chip-select:not(.is-selected):hover {
    border-color: rgba(255, 255, 255, 0.22);
    background-color: rgba(255, 255, 255, 0.05);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stagger-item {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .pulse-dot {
    animation: none !important;
  }

  .btn:active,
  .niche-tab:active,
  .lead-subtab:active,
  .pitch-tab:active,
  .lang-btn:active,
  .chip-select:active,
  .copy-btn:active {
    transform: none !important;
  }

  .blur-morph-target,
  .btn-label-morph,
  .toast-notification,
  .modal-dialog {
    transition: opacity 150ms ease !important;
    transform: none !important;
    filter: none !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .glass-surface,
  .site-header {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background-color: #11131a !important;
  }
}