[hidden] {
  display: none !important;
}

.portal-page {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
}

.portal-page::before,
.portal-page::after {
  position: fixed;
  z-index: 0;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.portal-page::before {
  top: -180px;
  right: -160px;
  width: 460px;
  height: 460px;
  background: var(--color-accent-200);
  opacity: 0.58;
}

.portal-page::after {
  bottom: -240px;
  left: -220px;
  width: 520px;
  height: 520px;
  background: var(--color-accent-2-200);
  opacity: 0.5;
}

.portal-page main {
  position: relative;
  z-index: 1;
  width: min(100%, 1320px);
  margin-inline: auto;
  padding: var(--space-8);
}

.portal-page .intro {
  max-width: 720px;
}

.portal-page .intro p,
.portal-page .intro h1 {
  margin: 0;
}

.portal-page .intro > .eyebrow,
.portal-page .portal-name {
  color: var(--color-accent-700);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portal-page .intro h1 {
  margin-top: var(--space-2);
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.04;
}

.portal-page .intro h1 em {
  color: var(--color-accent);
  font-style: normal;
}

.portal-page .intro > p:last-child {
  max-width: 58ch;
  margin-top: var(--space-4);
  color: color-mix(in srgb, var(--color-text) 68%, transparent);
  font-size: 17px;
}

.portal-page .portal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.portal-page .portal-button {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
  min-height: 176px;
  padding: var(--space-6);
  overflow: hidden;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-surface) 82%, transparent);
  box-shadow: var(--shadow-sm);
  color: var(--color-text);
  text-decoration: none;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background-color 140ms ease,
    box-shadow 140ms ease;
}

.portal-page .portal-button:hover {
  border-color: var(--color-accent-300);
  background: var(--color-neutral-100);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.portal-page .portal-button:active {
  box-shadow: var(--shadow-sm);
  transform: translateY(0);
}

.portal-page .portal-button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.portal-page .portal-name {
  margin-bottom: auto;
}

.portal-page .portal-title {
  font-family: var(--font-heading);
  font-size: 25px;
  font-weight: var(--font-heading-weight);
  line-height: 1.12;
}

.portal-page .portal-hint {
  color: color-mix(in srgb, var(--color-text) 62%, transparent);
  font-size: 13.5px;
  line-height: 1.45;
}

@media (max-width: 960px) {
  .portal-page .portal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .portal-page main {
    padding: var(--space-6) var(--space-4) var(--space-8);
  }

  .portal-page .intro h1 {
    font-size: 42px;
  }

  .portal-page .intro > p:last-child {
    font-size: 15.5px;
  }

  .portal-page .portal-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
    margin-top: var(--space-6);
  }

  .portal-page .portal-button {
    min-height: 132px;
    padding: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .portal-page .portal-button {
    transition: none;
  }
}