/* Private preview additions. Base tokens/layout are from the approved Portal Demo. */
[hidden] {
  display: none !important;
}
.preview-return {
  margin-left: auto;
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.preview-loading {
  padding: 72px 0;
  min-height: 45vh;
  color: var(--ink);
}
.preview-theme-toggle,
.preview-mobile-toggle {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--paper);
  color: var(--ink);
  padding: 10px 13px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.preview-mobile-toggle {
  display: none;
}
.preview-hero-board {
  min-height: 320px;
  background: linear-gradient(150deg, #f8f9f4, #dce9e8);
  border: 1px solid #c6d8da;
  box-shadow: 14px 14px 0 rgba(2, 20, 39, 0.2);
  padding: 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  border-radius: 16px;
  color: #1c3e46;
}
.preview-hero-mark {
  font-weight: 800;
  font-size: clamp(32px, 4vw, 58px);
  letter-spacing: -0.05em;
  line-height: 1.08;
  overflow-wrap: anywhere;
}
.preview-hero-board p {
  font-size: 15px;
  line-height: 1.8;
  max-width: 360px;
}
.preview-kicker {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 800;
  margin-bottom: 22px;
  color: #d8e8df;
}
.preview-overline {
  font-size: 10px;
  letter-spacing: 0.12em;
  font-weight: 800;
  color: #607d7c;
}
.preview-section-title {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}
.preview-content {
  padding-block: 64px 90px;
}
.preview-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.preview-feature {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: 15px;
  min-height: 195px;
  padding: 28px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 16px;
  cursor: pointer;
}
article.preview-feature {
  cursor: default;
}
.preview-feature strong {
  font-size: 22px;
  letter-spacing: -0.04em;
  line-height: 1.25;
}
.preview-feature p {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.7;
}
button.preview-feature:hover {
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}
.preview-empty {
  padding: 36px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  max-width: 760px;
}
.preview-empty h2 {
  font-size: 30px;
  letter-spacing: -0.04em;
  margin: 15px 0;
}
.preview-empty p {
  color: var(--ink-muted);
  line-height: 1.7;
}
.preview-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  padding: 52px 0;
}
.preview-footer p {
  font-size: 12px;
  color: #b6c7d1;
}
html[data-portal-audience="career"] .hero {
  background: linear-gradient(125deg, #193f4a, #1b6162);
}
html[data-portal-audience="faculty"] .hero {
  background: linear-gradient(125deg, #1a2e4e, #263c64);
}
html[data-portal-audience="career"] .brand-mark {
  background: #1a6b6b;
}
html[data-theme="dark"] .preview-hero-board {
  background: linear-gradient(145deg, #254b50, #3b6b6d);
  color: #fff;
  border-color: #597b83;
}
html[data-theme="dark"] .preview-overline {
  color: #b4d4d3;
}
.preview-feature:focus-visible,
.preview-theme-toggle:focus-visible,
.preview-mobile-toggle:focus-visible {
  outline: 3px solid #5caba5;
  outline-offset: 3px;
}
@media (max-width: 1120px) {
  .preview-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .site-nav {
    gap: 12px;
  }
  .site-nav a {
    font-size: 11px;
  }
}
@media (max-width: 930px) {
  .preview-mobile-toggle {
    display: inline-flex;
  }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 20;
    padding: 20px;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.09);
  }
  .site-nav.is-open {
    display: flex;
  }
  .site-nav a {
    padding: 12px 16px;
    font-size: 14px;
  }
  .nav-shell {
    position: relative;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 66px;
  }
  .preview-hero-board {
    min-height: 220px;
  }
  .preview-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}
@media (max-width: 600px) {
  .preview-feature-grid {
    grid-template-columns: 1fr;
  }
  .preview-return {
    font-size: 10px;
  }
  .preview-hero-board {
    padding: 22px;
  }
  .hero-inner {
    min-height: 0;
  }
  .preview-footer {
    padding: 38px 0;
  }
  .brand-copy strong {
    font-size: 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .preview-feature,
  .preview-theme-toggle {
    transition: none !important;
  }
  button.preview-feature:hover {
    transform: none;
  }
}

.preview-audiences {
  display: flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid currentColor;
  border-radius: 12px;
  margin-left: auto;
}
.preview-audiences button {
  border-radius: 9px;
  padding: 5px 12px;
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  color: inherit;
}
.preview-audiences button[aria-pressed="true"] {
  background: #edf5f2;
  color: #163f42;
}
@media (max-width: 600px) {
  .demo-ribbon {
    flex-wrap: wrap;
  }
  .preview-audiences {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }
}

.preview-audiences button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
#portal-picker {
  max-width: 260px;
  width: 100%;
  padding: 5px 8px;
  border-radius: 8px;
  border: 1px solid #a3c2b8;
  background: #fff;
  color: #163f42;
  font-size: 11px;
}
.demo-ribbon > label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
}

/* Verified external sources on the public Derecho portal only. */
.preview-reference-panel {
  padding-block: 56px 85px;
}
.preview-reference-panel .preview-section-title {
  margin: 10px 0 14px;
}
.preview-reference-lead {
  max-width: 790px;
  color: var(--ink-muted);
  line-height: 1.75;
  font-size: 15px;
  margin-bottom: 26px;
}
.preview-reference-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 24px;
}
.preview-reference-fact {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 20px 22px;
  border-radius: 12px;
  min-width: 0;
}
.preview-reference-fact dt {
  font-size: 11px;
  letter-spacing: 0.055em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 750;
  margin-bottom: 9px;
}
.preview-reference-fact dd {
  margin: 0;
  font-size: 17px;
  font-weight: 680;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.preview-reference-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.preview-reference-card {
  min-width: 0;
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.preview-reference-card a {
  font-weight: 760;
  color: var(--ink);
  text-underline-offset: 4px;
  line-height: 1.45;
}
.preview-reference-card a:hover,
.preview-reference-card a:focus-visible {
  text-decoration: underline;
}
.preview-reference-card a:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 5px;
}
.preview-reference-card p {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.65;
  margin: 0;
}
.preview-reference-disclaimer {
  max-width: 890px;
  font-size: 12px;
  color: var(--ink-muted);
  line-height: 1.6;
  margin: 22px 0 0;
}
@media (max-width: 900px) {
  .preview-reference-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 600px) {
  .preview-reference-links,
  .preview-reference-facts {
    grid-template-columns: 1fr;
  }
  .preview-reference-panel {
    padding-block: 35px 60px;
  }
}

/* Shared Faculty/Career brand mark: custom image is optional per tenant. */
.site-header .brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: inherit;
}

/* Shared, keyboard-accessible skip link. Visually hidden until focus for
   every Faculty/Career portal, including Derecho. */
.portal-skip-link {
  position: fixed;
  top: 0;
  left: 12px;
  z-index: 120;
  transform: translateY(-160%);
  background: #fff;
  color: #08263f;
  padding: 12px 18px;
  border: 2px solid #508a99;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}
.portal-skip-link:focus,
.portal-skip-link:focus-visible {
  transform: translateY(12px);
  outline: 3px solid #245b82;
  outline-offset: 2px;
}
.student-site-topline {
  display: none;
}