:root {
  --digit-dur: 500ms;
  --digit-distance: 8px;
  --digit-stagger: 70ms;
  --digit-blur: 2px;
  --digit-ease: cubic-bezier(0.34, 1.45, 0.64, 1);
  --digit-dir-x: 0;
  --digit-dir-y: 1;

  --tabs-dur: 250ms;
  --tabs-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --tabs-text-muted: #94a3b8;
  --tabs-text-active: #090e16;
  --tabs-bar-bg: rgba(15, 23, 42, 0.86);
  --tabs-pill-bg: #f97316;

  --tilt-perspective: 1000px;
  --tilt-return: 1000ms;
  --tilt-return-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --tilt-follow: 400ms;
  --tilt-follow-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --tilt-glare-opacity: 0.24;
  --tilt-glare-fade: 300ms;
  --tilt-glare-ease: cubic-bezier(0.22, 1, 0.36, 1);

  --acc-expand: 250ms;
  --acc-collapse: 250ms;
  --acc-chevron: 250ms;
  --acc-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

.t-tabs {
  position: relative;
  display: inline-flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border-radius: 48px;
  background: var(--tabs-bar-bg);
  border: 1px solid var(--border-glass);
  max-width: 100%;
  overflow-x: auto;
}

.t-tab {
  position: relative;
  appearance: none;
  border: 0;
  background: transparent;
  height: 32px;
  padding: 4px 12px;
  color: var(--tabs-text-muted);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  border-radius: 48px;
  z-index: 1;
  transition: color var(--tabs-dur) var(--tabs-ease);
}

.t-tab:not([aria-selected='true']):hover,
.t-tab[aria-selected='true'] {
  color: var(--tabs-text-active);
}

.t-tabs-pill {
  position: absolute;
  top: 3px;
  left: 0;
  height: 32px;
  width: 0;
  background: var(--tabs-pill-bg);
  border-radius: 48px;
  transform: translateX(0);
  transition: transform var(--tabs-dur) var(--tabs-ease), width var(--tabs-dur) var(--tabs-ease);
  will-change: transform, width;
  z-index: 0;
  pointer-events: none;
}

@keyframes t-digit-pop-in {
  0% {
    transform: translate(
      calc(var(--digit-distance) * var(--digit-dir-x)),
      calc(var(--digit-distance) * var(--digit-dir-y))
    );
    opacity: 0;
    filter: blur(var(--digit-blur));
  }
  100% {
    transform: translate(0, 0);
    opacity: 1;
    filter: blur(0);
  }
}

.t-digit-group {
  display: inline-flex;
  align-items: baseline;
}

.t-digit {
  display: inline-block;
  will-change: transform, opacity, filter;
}

.t-digit-group.is-animating .t-digit {
  animation: t-digit-pop-in var(--digit-dur) var(--digit-ease) both;
}

.t-digit-group.is-animating .t-digit[data-stagger='1'] {
  animation-delay: var(--digit-stagger);
}

.t-digit-group.is-animating .t-digit[data-stagger='2'] {
  animation-delay: calc(var(--digit-stagger) * 2);
}

.t-tilt {
  touch-action: pan-y;
}

.t-tilt-card {
  position: relative;
  height: 100%;
  padding: 20px;
  border-radius: 22px;
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  transform: perspective(var(--tilt-perspective)) rotateX(var(--tilt-rx, 0deg)) rotateY(var(--tilt-ry, 0deg));
  transform-style: preserve-3d;
  transition: transform var(--tilt-return) var(--tilt-return-ease);
  will-change: transform;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.t-tilt-card.is-tilting {
  transition: transform var(--tilt-follow) var(--tilt-follow-ease);
}

.t-tilt-glare {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: screen;
  background: radial-gradient(
    circle 160px at var(--tilt-gx, 50%) var(--tilt-gy, 50%),
    rgba(255, 255, 255, 0.35),
    rgba(255, 255, 255, 0) 80%
  );
  transition: opacity var(--tilt-glare-fade) var(--tilt-glare-ease);
}

.t-tilt.is-hover .t-tilt-glare {
  opacity: var(--tilt-glare-opacity);
}

.t-acc-item {
  border-radius: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  overflow: hidden;
}

.t-acc-trigger {
  width: 100%;
  min-height: 48px;
  padding: 12px 18px;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.t-acc-chevron {
  transition: transform var(--acc-chevron) var(--acc-ease);
}

.t-acc-item[aria-expanded='true'] .t-acc-chevron {
  transform: scaleY(-1);
}

.t-acc-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--acc-collapse) var(--acc-ease);
}

.t-acc-item[aria-expanded='true'] .t-acc-panel {
  grid-template-rows: 1fr;
  transition: grid-template-rows var(--acc-expand) var(--acc-ease);
}

.t-acc-panel-inner {
  overflow: hidden;
  padding: 0 18px;
  color: var(--text-secondary);
  font-size: 0.84rem;
}

.t-acc-item[aria-expanded='true'] .t-acc-panel-inner {
  padding-bottom: 16px;
}

@media (prefers-reduced-motion: reduce) {
  .t-tabs-pill,
  .t-tab,
  .t-tilt-card,
  .t-acc-panel,
  .t-acc-chevron {
    transition: none !important;
    transform: none !important;
  }
  .t-digit-group .t-digit {
    animation: none !important;
  }
}