/**
 * NeuroBloom motion — brand marketing register: one choreographed hero,
 * scroll reveals, tactile feedback. All gated for prefers-reduced-motion.
 */
:root {
  --nb-ease-out: cubic-bezier(0.25, 1, 0.5, 1);
  --nb-ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Hero entrance (staggered, single signature sequence) --- */
@media (prefers-reduced-motion: no-preference) {
  .nb-hero-in {
    animation: nb-hero-fade-up 0.72s var(--nb-ease-expo) both;
  }
  .nb-hero-d1 { animation-delay: 0.04s; }
  .nb-hero-d2 { animation-delay: 0.1s; }
  .nb-hero-d3 { animation-delay: 0.18s; }
  .nb-hero-d4 { animation-delay: 0.26s; }
  .nb-hero-d5 { animation-delay: 0.34s; }
  .nb-hero-d6 { animation-delay: 0.42s; }
}

@keyframes nb-hero-fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* --- Scroll-driven section reveals --- */
.nb-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.55s var(--nb-ease-out),
    transform 0.55s var(--nb-ease-out);
}

.nb-reveal.nb-reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .nb-reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* --- Cards: calm lift + icon emphasis (PRODUCT: not noisy) --- */
.nb-card-interactive {
  transition:
    box-shadow 0.28s var(--nb-ease-out),
    transform 0.28s var(--nb-ease-out),
    border-color 0.2s var(--nb-ease-out);
}

@media (prefers-reduced-motion: no-preference) {
  .nb-card-interactive:hover {
    transform: translateY(-3px);
  }
}

.nb-icon-tile {
  transition: transform 0.28s var(--nb-ease-out);
}

@media (prefers-reduced-motion: no-preference) {
  .nb-card-interactive:hover .nb-icon-tile {
    transform: scale(1.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nb-card-interactive:hover {
    transform: none;
  }
  .nb-card-interactive:hover .nb-icon-tile {
    transform: none;
  }
}

/* --- Tactile buttons (delight doc: press feedback, no bounce easing) --- */
.nb-btn-tactile {
  transition:
    transform 0.12s var(--nb-ease-out),
    box-shadow 0.22s var(--nb-ease-out),
    background-color 0.2s var(--nb-ease-out),
    color 0.2s var(--nb-ease-out);
}

@media (prefers-reduced-motion: no-preference) {
  .nb-btn-tactile:active {
    transform: translateY(2px);
  }
}

/* --- Waitlist: soft float on seedling (discovery, not distraction) --- */
@media (prefers-reduced-motion: no-preference) {
  .nb-delight-float {
    animation: nb-float-soft 5s ease-in-out infinite;
  }
}

@keyframes nb-float-soft {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

@media (prefers-reduced-motion: reduce) {
  .nb-delight-float {
    animation: none;
  }
}

/* --- Success state: gentle bloom (waitlist) --- */
@media (prefers-reduced-motion: no-preference) {
  .nb-success-pop.nb-show .nb-success-icon-wrap {
    animation: nb-success-pop-in 0.58s var(--nb-ease-expo) both;
  }
  .nb-success-pop.nb-show .nb-success-heading {
    animation: nb-hero-fade-up 0.45s var(--nb-ease-out) 0.12s both;
  }
  .nb-success-pop.nb-show .nb-success-copy {
    animation: nb-hero-fade-up 0.45s var(--nb-ease-out) 0.2s both;
  }
}

@keyframes nb-success-pop-in {
  from {
    opacity: 0;
    transform: scale(0.88);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .nb-success-pop .nb-success-icon-wrap,
  .nb-success-pop .nb-success-heading,
  .nb-success-pop .nb-success-copy {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* --- Form focus polish --- */
.nb-input-focus {
  transition:
    border-color 0.2s var(--nb-ease-out),
    box-shadow 0.2s var(--nb-ease-out);
}

.nb-input-focus:focus {
  box-shadow: 0 0 0 3px rgba(224, 64, 251, 0.2);
}