:root {
  --isy-portal-navy: #0d3b66;
  --isy-portal-blue: #1769aa;
  --isy-portal-blue-dark: #0a3157;
  --isy-portal-sky: #eef6ff;
  --isy-portal-ink: #172033;
  --isy-portal-muted: #5a6578;
  --isy-portal-line: #dce5ef;
  --isy-portal-white: #ffffff;
  --isy-portal-shadow: 0 12px 34px rgba(13, 59, 102, 0.10);
}

html {
  scroll-behavior: smooth;
}

body.has-fixed-navbar,
body.tool-layout,
body.has-fixed-navbar.tool-layout {
  padding-top: 0 !important;
}

.isy-skip-link {
  position: fixed;
  top: -80px;
  left: 1rem;
  z-index: 100000;
  padding: 0.7rem 1rem;
  border-radius: 0 0 10px 10px;
  background: var(--isy-portal-white);
  color: var(--isy-portal-navy);
  font-weight: 800;
  box-shadow: var(--isy-portal-shadow);
}

.isy-skip-link:focus {
  top: 0;
}

.isy-portal-header {
  position: sticky;
  top: 0;
  z-index: 9990;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(115deg, var(--isy-portal-blue-dark), var(--isy-portal-navy));
  color: var(--isy-portal-white);
  box-shadow: 0 6px 20px rgba(7, 35, 61, 0.18);
}

.isy-portal-shell {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.isy-portal-header__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem;
  align-items: center;
  min-height: 68px;
}

.isy-portal-brand,
.isy-portal-brand:hover {
  display: inline-flex;
  gap: 0.7rem;
  align-items: center;
  color: var(--isy-portal-white);
  text-decoration: none;
  white-space: nowrap;
}

.isy-portal-brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.isy-portal-brand__text {
  display: grid;
  line-height: 1.05;
}

.isy-portal-brand__text strong {
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.isy-portal-brand__text small {
  margin-top: 0.25rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.78rem;
}

.isy-portal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  justify-content: center;
}

.isy-portal-nav a {
  padding: 0.52rem 0.68rem;
  border-radius: 9px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.isy-portal-nav a:hover,
.isy-portal-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.13);
  color: var(--isy-portal-white);
}

.isy-portal-services-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0.6rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  color: var(--isy-portal-white);
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.isy-portal-services-link:hover,
.isy-portal-services-link:focus-visible {
  background: var(--isy-portal-white);
  color: var(--isy-portal-navy);
}

.isy-page-network {
  clear: both;
  padding-block: 2.25rem 0.5rem;
}

.isy-page-network__intro {
  margin-bottom: 1rem;
}

.isy-page-network__eyebrow,
.isy-index-eyebrow {
  margin: 0 0 0.35rem;
  color: var(--isy-portal-blue);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.isy-page-network h2,
.isy-professional-bridge h2 {
  margin: 0;
  color: var(--isy-portal-ink);
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  line-height: 1.2;
}

.isy-related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
}

.isy-related-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 1rem;
  border: 1px solid var(--isy-portal-line);
  border-radius: 15px;
  background: var(--isy-portal-white);
  color: var(--isy-portal-ink);
  text-decoration: none;
  box-shadow: 0 7px 22px rgba(13, 59, 102, 0.06);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.isy-related-card:hover,
.isy-related-card:focus-visible {
  border-color: #9fc5e8;
  color: var(--isy-portal-ink);
  transform: translateY(-2px);
  box-shadow: var(--isy-portal-shadow);
}

.isy-related-card__category {
  margin-bottom: 0.45rem;
  color: var(--isy-portal-blue);
  font-size: 0.8rem;
  font-weight: 800;
}

.isy-related-card strong {
  font-size: 1rem;
  line-height: 1.32;
}

.isy-related-card span:last-child {
  margin-top: 0.55rem;
  color: var(--isy-portal-muted);
  font-size: 0.88rem;
  line-height: 1.42;
}

.isy-professional-bridge {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
  margin-top: 1.25rem;
  padding: 1.35rem 1.45rem;
  border: 1px solid #c9dced;
  border-radius: 18px;
  background: linear-gradient(135deg, #f7fbff, var(--isy-portal-sky));
}

.isy-professional-bridge p {
  max-width: 760px;
  margin: 0.45rem 0 0;
  color: var(--isy-portal-muted);
  line-height: 1.55;
}

.isy-professional-bridge__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--isy-portal-navy);
  color: var(--isy-portal-white) !important;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
}

.isy-professional-bridge__action:hover,
.isy-professional-bridge__action:focus-visible {
  background: var(--isy-portal-blue-dark);
}

.isy-portal-footer {
  clear: both;
  margin-top: 3rem;
  padding: 2.4rem 0 1.25rem;
  border-top: 4px solid #2b78b8;
  background: #092d50;
  color: rgba(255, 255, 255, 0.84);
}

.isy-portal-footer__grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 2rem;
}

.isy-portal-footer h2,
.isy-portal-footer h3 {
  margin: 0 0 0.7rem;
  color: var(--isy-portal-white);
  font-size: 1rem;
}

.isy-portal-footer p {
  margin: 0;
  line-height: 1.55;
}

.isy-portal-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.isy-portal-footer li + li {
  margin-top: 0.45rem;
}

.isy-portal-footer a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.isy-portal-footer__legal {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-top: 1.7rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.17);
  font-size: 0.86rem;
}

.isy-index-body {
  margin: 0;
  background: #f5f8fc;
  color: var(--isy-portal-ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.isy-index-main {
  padding: 2.5rem 0 4rem;
}

.isy-index-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  gap: 2rem;
  align-items: end;
  padding: clamp(1.4rem, 4vw, 2.5rem);
  border: 1px solid #cddfee;
  border-radius: 24px;
  background: linear-gradient(145deg, #ffffff 20%, #eaf4ff 100%);
  box-shadow: var(--isy-portal-shadow);
}

.isy-index-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--isy-portal-ink);
  font-size: clamp(2rem, 5vw, 3.45rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.isy-index-hero p {
  max-width: 760px;
  margin: 1rem 0 0;
  color: var(--isy-portal-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.isy-index-stat {
  display: grid;
  gap: 0.2rem;
  padding: 1.25rem;
  border-radius: 18px;
  background: var(--isy-portal-navy);
  color: var(--isy-portal-white);
}

.isy-index-stat strong {
  font-size: 2.2rem;
  line-height: 1;
}

.isy-index-search {
  position: relative;
  margin-top: 1.5rem;
}

.isy-index-search label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--isy-portal-ink);
  font-weight: 800;
}

.isy-index-search input {
  width: 100%;
  min-height: 54px;
  padding: 0.75rem 1rem;
  border: 1px solid #b9ccde;
  border-radius: 14px;
  background: var(--isy-portal-white);
  color: var(--isy-portal-ink);
  font: inherit;
  box-shadow: 0 6px 18px rgba(13, 59, 102, 0.06);
}

.isy-index-search input:focus {
  border-color: var(--isy-portal-blue);
  outline: 3px solid rgba(23, 105, 170, 0.16);
}

.isy-index-categories {
  display: flex;
  gap: 0.6rem;
  margin: 1rem 0 2rem;
  padding-bottom: 0.35rem;
  overflow-x: auto;
}

.isy-index-categories a {
  flex: 0 0 auto;
  padding: 0.6rem 0.9rem;
  border: 1px solid #c8d8e7;
  border-radius: 999px;
  background: var(--isy-portal-white);
  color: var(--isy-portal-navy);
  font-weight: 800;
  text-decoration: none;
}

.isy-index-section {
  padding-top: 1.5rem;
  scroll-margin-top: 78px;
}

.isy-index-section__head {
  display: flex;
  gap: 1rem;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.isy-index-section h2 {
  margin: 0;
  color: var(--isy-portal-ink);
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.isy-index-section__head p {
  max-width: 620px;
  margin: 0;
  color: var(--isy-portal-muted);
}

.isy-category-open {
  display: inline-block;
  margin-top: 0.45rem;
  color: var(--isy-portal-blue-dark);
  font-weight: 850;
  text-underline-offset: 3px;
}

.isy-category-breadcrumb {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  margin: 0 0 1rem;
  color: var(--isy-portal-muted);
  font-size: 0.9rem;
}

.isy-category-breadcrumb a {
  color: var(--isy-portal-blue-dark);
  font-weight: 800;
}

.isy-category-editorial {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  gap: 2rem;
  align-items: start;
  margin-top: 1.5rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--isy-portal-line);
  border-radius: 20px;
  background: var(--isy-portal-white);
}

.isy-category-editorial h2 {
  margin: 0;
  color: var(--isy-portal-ink);
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.isy-category-editorial p {
  margin: 0.85rem 0 0;
  color: var(--isy-portal-muted);
  line-height: 1.65;
}

.isy-category-editorial ol {
  margin: 0;
  padding: 1.1rem 1.1rem 1.1rem 2.5rem;
  border-radius: 16px;
  background: var(--isy-portal-sky);
  color: var(--isy-portal-ink);
}

.isy-category-editorial li {
  padding-left: 0.3rem;
  line-height: 1.5;
}

.isy-category-editorial li + li {
  margin-top: 0.65rem;
}

.isy-index-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.isy-index-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 1.2rem;
  border: 1px solid var(--isy-portal-line);
  border-radius: 17px;
  background: var(--isy-portal-white);
  box-shadow: 0 8px 22px rgba(13, 59, 102, 0.055);
}

.isy-index-card[hidden] {
  display: none;
}

.isy-index-card__type {
  margin: 0 0 0.55rem;
  color: var(--isy-portal-blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.isy-index-card h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.32;
}

.isy-index-card p {
  margin: 0.7rem 0 1rem;
  color: var(--isy-portal-muted);
  line-height: 1.52;
}

.isy-index-card a {
  margin-top: auto;
  color: var(--isy-portal-blue-dark);
  font-weight: 850;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.isy-index-empty {
  margin: 1rem 0;
  padding: 1rem;
  border: 1px dashed #a8bfd4;
  border-radius: 14px;
  background: var(--isy-portal-white);
  color: var(--isy-portal-muted);
}

@media (max-width: 940px) {
  .isy-portal-header__inner {
    grid-template-columns: auto 1fr;
    padding-block: 0.55rem;
  }

  .isy-portal-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding-bottom: 0.25rem;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .isy-portal-services-link {
    justify-self: end;
  }

  .isy-related-grid,
  .isy-index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .isy-index-hero {
    grid-template-columns: 1fr;
  }

  .isy-category-editorial {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .isy-portal-shell {
    width: min(100% - 1rem, 1120px);
  }

  .isy-portal-brand__text small {
    display: none;
  }

  .isy-portal-services-link {
    min-height: 38px;
    padding-inline: 0.7rem;
    font-size: 0.8rem;
  }

  .isy-related-grid,
  .isy-index-grid {
    grid-template-columns: 1fr;
  }

  .isy-professional-bridge,
  .isy-portal-footer__grid {
    grid-template-columns: 1fr;
  }

  .isy-professional-bridge__action {
    white-space: normal;
  }

  .isy-portal-footer__legal,
  .isy-index-section__head {
    align-items: flex-start;
    flex-direction: column;
  }

  .isy-index-main {
    padding-top: 1rem;
  }
}

@media print {
  .isy-portal-header,
  .isy-page-network,
  .isy-portal-footer,
  .isy-skip-link {
    display: none !important;
  }
}