/* Krupa landing — единая точка входа в кабинет + header motion */

@keyframes krupa-header-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.krupa-nav-link {
  position: relative;
  text-decoration: none;
}

.krupa-nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 2px;
  border-radius: 999px;
  background: #6f57ff;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.krupa-nav-link:hover::after {
  transform: scaleX(1);
}

.krupa-header-auth {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  font-family: inherit;
  color: #6f57ff;
  text-decoration: none;
  background: rgba(111, 87, 255, 0.07);
  border: 1px solid rgba(111, 87, 255, 0.2);
  box-shadow: 0 4px 16px -6px rgba(111, 87, 255, 0.25);
  cursor: pointer;
  transition:
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.28s ease,
    background 0.28s ease,
    border-color 0.28s ease,
    color 0.28s ease;
  animation: krupa-header-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.krupa-header-auth:hover {
  transform: translateY(-2px);
  background: rgba(111, 87, 255, 0.12);
  border-color: rgba(111, 87, 255, 0.38);
  box-shadow: 0 12px 28px -10px rgba(111, 87, 255, 0.45);
  color: #5f48f0;
}

.krupa-header-auth:active {
  transform: translateY(0) scale(0.98);
}

.krupa-header-auth__icon {
  flex-shrink: 0;
  opacity: 0.9;
}

.krupa-header-auth--mobile {
  width: 100%;
  margin-top: 4px;
  padding: 14px 16px;
  border-radius: 16px;
  font-size: 15px;
  animation: none;
}

.krupa-header-auth--hero {
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 14px;
  font-size: 14px;
}

.krupa-header-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  color: #fff;
  text-decoration: none;
  text-align: center;
  background: linear-gradient(135deg, #6f57ff 0%, #7d66ff 50%, #6f57ff 100%);
  background-size: 200% 100%;
  box-shadow: 0 10px 28px -8px rgba(111, 87, 255, 0.55);
  transition:
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.28s ease,
    background-position 0.35s ease;
  animation: krupa-header-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) 0.08s both;
}

.krupa-header-cta-primary:hover {
  transform: translateY(-2px) scale(1.02);
  background-position: 100% 0;
  box-shadow: 0 14px 36px -10px rgba(111, 87, 255, 0.65);
  color: #fff;
}

.krupa-header-cta-primary:active {
  transform: translateY(0) scale(0.98);
}

@media (prefers-reduced-motion: reduce) {
  .krupa-header-auth,
  .krupa-header-cta-primary {
    animation: none;
    transition: none;
  }

  .krupa-nav-link::after {
    transition: none;
  }
}