/* ===== Back to Top ============================================= */
.back-to-top {
  visibility: hidden;

  position: fixed;
  bottom: 3rem;
  right: 3rem;
  z-index: 999;

  width: 4.8rem;
  height: 4.8rem;

  color: var(--clr-primary);
  font-size: var(--txt-tiny);

  transform: translateY(2rem);
  transition: all 0.3s ease;
  opacity: 0;

  border: 1px solid var(--glass-border);
  border-radius: 50%;
  backdrop-filter: blur(2rem);
  background: var(--glass-bg);
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-0.3rem);

  background: var(--primary-15);
  border-color: var(--clr-primary);
  box-shadow: 0 0 2rem var(--glow-primary);
}

/* ===== Back button ============================================= */
.sub-back-btn,
.sub-header {
  transition: all 0.3s ease;

  border: 1px solid var(--glass-border);
  border-radius: 5rem;
  cursor: pointer;
  backdrop-filter: blur(2rem);
  background: var(--glass-bg);
}

.sub-back-btn {
  position: fixed;
  top: 2rem;
  right: 2rem;
  z-index: 100;

  padding: 1.2rem 2.4rem;

  font-size: var(--txt-small);
  font-family: "Outfit", sans-serif;
  letter-spacing: 0.2rem;
  color: rgba(255, 255, 255, 0.8);

  transition: all 0.3s ease;

  border: 1px solid var(--glass-border);
  border-radius: 5rem;
  cursor: pointer;
  backdrop-filter: blur(2rem);
  background: var(--glass-bg);
}

.sub-back-btn:hover,
.sub-header:hover,
.log-entry:hover button span,
.dossier-card:hover button {
  color: var(--clr-primary);
}

.sub-back-btn:hover,
.sub-header:hover,
.dossier-card:hover button {
  border-color: var(--clr-primary);
  background: var(--primary-10);
  box-shadow: 0 0 2rem var(--glow-primary);
}

/* ===== Nav for storybook =============================================== */
.nav-btn {
  padding: 1rem 2.4rem;

  color: var(--clr-primary-600);
  letter-spacing: 1px;

  transition: all 0.3s ease;

  border: 1px solid var(--glass-border);
  border-radius: 5rem;
  background: transparent;
  cursor: pointer;
}

.nav-btn:hover:not(:disabled) {
  color: var(--clr-primary);

  border-color: var(--clr-primary);
  box-shadow: 0 0 1.5rem var(--primary-20);
  background: var(--primary-10);
}

.nav-btn:disabled {
  opacity: 0.3;

  cursor: not-allowed;
}

/* ===== Main menu =============================================== */
.menu-grid {
  display: grid;

  grid-template-columns: repeat(3, 20rem);
  justify-content: center;
  gap: 2.5rem;

  margin: 0 auto 4rem;
}

.menu-item {
  overflow: hidden;

  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;

  position: relative;

  height: 17rem;

  opacity: 0;
  transform: translateY(3rem) scale(0.9);

  border: 1px solid var(--glass-border);
  border-radius: 2.4rem;
  backdrop-filter: blur(2rem);
  background: var(--glass-bg);
  cursor: pointer;
  -webkit-backdrop-filter: blur(2rem);
}

.menu-item.exit-up {
  animation: exitDown 0.5s ease-out forwards !important;

  pointer-events: none;
}

@keyframes exitDown {
  to {
    transform: translateY(5rem);
    opacity: 0;
  }
}

.menu-item.return {
  animation: menuReturn 0.4s ease-out forwards !important;
}

@keyframes menuReturn {
  from {
    opacity: 0;
    transform: translateY(3rem) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Glossy effect overlay */
.menu-item::before {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;

  height: 50%;

  content: "";
  border-radius: 2.4rem 2.4rem 0 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.12) 0%,
    rgba(255, 255, 255, 0.05) 40%,
    transparent 100%
  );
  pointer-events: none;
}

.menu-item:hover {
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform: translateY(-1rem) scale(1.02);

  background: var(--primary-10);
  border-color: var(--clr-primary);
  box-shadow:
    0 2rem 4rem rgba(0, 0, 0, 0.4),
    0 0 3rem var(--primary-20);
}

.menu-item.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.menu-item.initial-load {
  animation: menuAppear 0.5s ease-out forwards;
}
.menu-item.initial-load:nth-child(1) {
  animation-delay: 1.1s;
}

.menu-item.initial-load:nth-child(2) {
  animation-delay: 1.2s;
}

.menu-item.initial-load:nth-child(3) {
  animation-delay: 1.3s;
}

.menu-item.initial-load:nth-child(4) {
  animation-delay: 1.4s;
}

.menu-item.initial-load:nth-child(5) {
  animation-delay: 1.5s;
}

.menu-item.initial-load:nth-child(6) {
  animation-delay: 1.6s;
}

@keyframes menuAppear {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Menu Badge */
.menu-badge {
  overflow: hidden;

  display: flex;
  justify-content: center;
  align-items: center;

  position: relative;

  width: 6rem;
  height: 6rem;
  margin-bottom: 1.5rem;

  font-size: var(--txt-huge);
  font-weight: 700;
  color: var(--clr-primary);
  text-shadow: 0 0 2rem var(--glow-primary);

  background: linear-gradient(135deg, var(--primary-15), var(--secondary-15));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: all 0.4s ease;
}

.menu-badge::before {
  position: absolute;
  top: 0.2rem;
  left: 10%;
  right: 10%;

  height: 45%;

  content: "";
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3), transparent);
  pointer-events: none;
}

.menu-badge::after {
  position: absolute;
  inset: -0.3rem;

  opacity: 0;
  transition: opacity 0.4s ease;

  content: "";
  border-radius: 50%;
  border: 0.2rem solid transparent;
  border-top-color: var(--clr-primary);
  border-right-color: var(--primary-40);
}

.menu-item:hover .menu-badge {
  transform: scale(1.1);

  box-shadow: 0 0 2.5rem var(--primary-25);
  background: linear-gradient(135deg, var(--primary-20), var(--primary-15));
}

.menu-item:hover .menu-badge::after {
  animation: badgeSpin 2s linear infinite;
  opacity: 1;
}

@keyframes badgeSpin {
  to {
    transform: rotate(360deg);
  }
}

.menu-title {
  font-size: var(--txt-small);
  font-weight: 400;
  letter-spacing: 0.3rem;
  text-transform: uppercase;
  color: var(--clr-primary-600);

  transition: all 0.3s ease;
}

.menu-item:hover .menu-title {
  color: var(--clr-primary-200);
  letter-spacing: 0.4rem;
}