:root {
  color-scheme: light;
  --abbrio-ink: #17212b;
  --abbrio-muted: #526170;
  --abbrio-line: #dce3e8;
  --abbrio-paper: #ffffff;
  --abbrio-wash: #f3f6f8;
  --abbrio-accent: #1d7180;
  --abbrio-accent-dark: #155560;
  --abbrio-night: #142630;
}

.abbrio-page {
  margin: 0;
  color: var(--abbrio-ink);
  background: var(--abbrio-paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

.abbrio-page *,
.abbrio-page *::before,
.abbrio-page *::after {
  box-sizing: border-box;
}

.abbrio-page a {
  color: var(--abbrio-accent-dark);
  text-underline-offset: 0.18em;
}

.abbrio-page a:hover {
  color: var(--abbrio-ink);
}

.abbrio-page a:focus-visible {
  outline: 3px solid #e6a93d;
  outline-offset: 3px;
}

.abbrio-shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.abbrio-skip-link {
  position: absolute;
  z-index: 20;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  transform: translateY(-160%);
  color: var(--abbrio-paper) !important;
  background: var(--abbrio-night);
}

.abbrio-skip-link:focus {
  transform: translateY(0);
}

.abbrio-header {
  border-bottom: 1px solid var(--abbrio-line);
  background: var(--abbrio-paper);
}

.abbrio-header-inner,
.abbrio-header nav,
.abbrio-footer-inner,
.abbrio-footer nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.abbrio-header-inner {
  min-height: 72px;
}

.abbrio-brand {
  color: var(--abbrio-ink) !important;
  font-size: 1.2rem;
  font-weight: 750;
  text-decoration: none;
}

.abbrio-brand span {
  color: var(--abbrio-muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.abbrio-header nav a,
.abbrio-footer nav a {
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.abbrio-hero {
  overflow: hidden;
  padding: 76px 0 64px;
  background: linear-gradient(125deg, #f3f7f8 0%, #fff 62%, #e8f1f2 100%);
}

.abbrio-hero-grid,
.abbrio-appearance-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 52px;
}

.abbrio-eyebrow {
  margin: 0 0 12px;
  color: var(--abbrio-accent-dark);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.abbrio-page h1,
.abbrio-page h2,
.abbrio-page h3 {
  color: var(--abbrio-ink);
  line-height: 1.2;
}

.abbrio-page h1 {
  max-width: 650px;
  margin: 0 0 20px;
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  letter-spacing: -0.045em;
}

.abbrio-lead {
  max-width: 620px;
  margin: 0;
  color: var(--abbrio-muted);
  font-size: 1.17rem;
}

.abbrio-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.abbrio-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.abbrio-button-primary {
  color: #fff !important;
  background: var(--abbrio-accent-dark);
}

.abbrio-button-primary:hover {
  background: #103f47;
}

.abbrio-button-secondary {
  border-color: #9babb4;
  color: var(--abbrio-ink) !important;
  background: rgba(255, 255, 255, 0.72);
}

.abbrio-requirements {
  margin: 18px 0 0;
  color: var(--abbrio-muted);
  font-size: 0.88rem;
}

.abbrio-hero-image,
.abbrio-dark-image {
  margin: 0;
}

.abbrio-hero-image img,
.abbrio-dark-image img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(23, 33, 43, 0.12);
  border-radius: 12px;
  box-shadow: 0 28px 72px rgba(22, 42, 52, 0.18);
}

.abbrio-section {
  padding: 84px 0;
}

.abbrio-section h2,
.abbrio-help-cta h2 {
  max-width: 730px;
  margin: 0 0 30px;
  font-size: clamp(2rem, 3.4vw, 3rem);
  letter-spacing: -0.035em;
}

.abbrio-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.abbrio-feature-grid article {
  padding: 24px;
  border: 1px solid var(--abbrio-line);
  border-radius: 9px;
  background: #fff;
}

.abbrio-feature-grid h3 {
  margin: 0 0 12px;
  font-size: 1.08rem;
}

.abbrio-feature-grid p,
.abbrio-appearance-grid p:not(.abbrio-eyebrow) {
  margin: 0;
  color: var(--abbrio-muted);
}

.abbrio-section-muted {
  background: var(--abbrio-wash);
}

.abbrio-appearance-grid {
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
}

.abbrio-help-cta {
  padding: 76px 0;
  color: #e8f2f4;
  background: var(--abbrio-night);
  text-align: center;
}

.abbrio-help-cta .abbrio-eyebrow,
.abbrio-help-cta h2 {
  margin-inline: auto;
  color: #fff;
}

.abbrio-help-cta p:not(.abbrio-eyebrow) {
  margin: -12px auto 24px;
  color: #c4d2d7;
}

.abbrio-button-light {
  color: var(--abbrio-night) !important;
  background: #fff;
}

.abbrio-footer {
  padding: 24px 0;
  border-top: 1px solid var(--abbrio-line);
  color: var(--abbrio-muted);
  font-size: 0.88rem;
}

.abbrio-footer-inner p {
  margin: 0;
}

.abbrio-help-layout {
  padding-top: 30px;
  padding-bottom: 84px;
}

.abbrio-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  color: var(--abbrio-muted);
  font-size: 0.88rem;
}

.abbrio-breadcrumbs a {
  color: var(--abbrio-muted);
}

.abbrio-help-grid {
  display: grid;
  grid-template-columns: minmax(190px, 250px) minmax(0, 1fr);
  align-items: start;
  gap: 54px;
}

.abbrio-help-sidebar {
  position: sticky;
  top: 24px;
}

.abbrio-topic-nav h2 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.abbrio-topic-nav ul,
.abbrio-related-topics ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.abbrio-topic-nav li {
  margin: 3px 0;
}

.abbrio-topic-nav a {
  display: block;
  padding: 7px 10px;
  border-radius: 5px;
  color: var(--abbrio-muted);
  font-size: 0.91rem;
  text-decoration: none;
}

.abbrio-topic-nav .active a,
.abbrio-topic-nav a:hover {
  color: var(--abbrio-accent-dark);
  background: #eaf2f3;
}

.abbrio-help-heading {
  margin: 0 0 32px;
}

.abbrio-help-heading h1 {
  margin-bottom: 14px;
  font-size: clamp(2.2rem, 4vw, 3.25rem);
}

.abbrio-help-lead {
  max-width: 760px;
  margin: 0;
  color: var(--abbrio-muted);
  font-size: 1.12rem;
}

.abbrio-help-content {
  color: #293843;
}

.abbrio-help-content h2,
.abbrio-help-content h3,
.abbrio-related-topics h2 {
  margin: 2em 0 0.65em;
  line-height: 1.3;
}

.abbrio-help-content h2 {
  padding-bottom: 0.35em;
  border-bottom: 1px solid var(--abbrio-line);
  font-size: 1.55rem;
}

.abbrio-help-content h3 {
  font-size: 1.2rem;
}

.abbrio-help-content p,
.abbrio-help-content li {
  max-width: 78ch;
}

.abbrio-help-content li + li {
  margin-top: 0.4em;
}

.abbrio-help-content code,
.abbrio-help-content pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.abbrio-help-content code {
  padding: 0.12em 0.3em;
  border-radius: 3px;
  background: #edf2f4;
  font-size: 0.9em;
}

.abbrio-help-content pre {
  overflow: auto;
  padding: 16px;
  border-radius: 7px;
  color: #e8f2f4;
  background: #1b2b35;
}

.abbrio-help-content pre code {
  padding: 0;
  color: inherit;
  background: transparent;
}

.abbrio-help-content img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--abbrio-line);
  border-radius: 8px;
}

.abbrio-toc {
  margin: 0 0 32px;
  padding: 14px 18px;
  border: 1px solid var(--abbrio-line);
  border-radius: 7px;
  background: var(--abbrio-wash);
}

.abbrio-toc summary {
  color: var(--abbrio-ink);
  font-weight: 700;
  cursor: pointer;
}

.abbrio-toc nav {
  margin-top: 10px;
}

.abbrio-toc ul {
  margin: 0.4em 0 0;
  padding-left: 1.25em;
}

.abbrio-topic-list {
  margin-top: 40px;
}

.abbrio-topic-list h2 {
  margin-bottom: 18px;
}

.abbrio-topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.abbrio-topic-card {
  display: grid;
  gap: 7px;
  padding: 17px;
  border: 1px solid var(--abbrio-line);
  border-radius: 7px;
  color: var(--abbrio-muted) !important;
  text-decoration: none;
}

.abbrio-topic-card:hover {
  border-color: var(--abbrio-accent);
  background: var(--abbrio-wash);
}

.abbrio-topic-title {
  color: var(--abbrio-accent-dark);
  font-weight: 700;
}

.abbrio-related-topics {
  margin-top: 40px;
  padding: 18px 22px;
  border-left: 3px solid var(--abbrio-accent);
  background: var(--abbrio-wash);
}

.abbrio-related-topics h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.abbrio-prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid var(--abbrio-line);
}

.abbrio-prev-next div {
  display: grid;
  align-content: start;
  gap: 5px;
}

.abbrio-prev-next span {
  color: var(--abbrio-muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.abbrio-next-topic {
  text-align: right;
}

@media (max-width: 900px) {
  .abbrio-hero-grid,
  .abbrio-appearance-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .abbrio-hero {
    padding-top: 56px;
  }

  .abbrio-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .abbrio-help-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .abbrio-help-sidebar {
    position: static;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--abbrio-line);
  }

  .abbrio-topic-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }
}

@media (max-width: 560px) {
  .abbrio-shell {
    width: min(100% - 28px, 1120px);
  }

  .abbrio-header-inner,
  .abbrio-footer-inner {
    align-items: flex-start;
  }

  .abbrio-header-inner {
    min-height: 64px;
  }

  .abbrio-brand span {
    display: block;
    font-size: 0.72rem;
  }

  .abbrio-header nav {
    padding-top: 8px;
  }

  .abbrio-hero {
    padding: 44px 0;
  }

  .abbrio-section,
  .abbrio-help-cta {
    padding: 56px 0;
  }

  .abbrio-feature-grid {
    grid-template-columns: 1fr;
  }

  .abbrio-topic-grid {
    grid-template-columns: 1fr;
  }

  .abbrio-footer-inner {
    flex-direction: column;
    gap: 10px;
  }
}