:root {
  --qs-profile-sidebar-width: 296px;
  --qs-profile-sidebar-top: 58px;
}

.qs-profile-sidebar {
  color: var(--qs-ink);
}

@media (min-width: 1100px) {
  body.nav-fixed #quarto-content {
    box-sizing: border-box;
    width: calc(100% - var(--qs-profile-sidebar-width));
    margin-left: var(--qs-profile-sidebar-width);
  }

  body.nav-fixed footer.footer {
    box-sizing: border-box;
    width: calc(100% - var(--qs-profile-sidebar-width));
    margin-left: var(--qs-profile-sidebar-width);
  }

  .qs-profile-sidebar {
    position: fixed;
    top: var(--qs-profile-sidebar-top);
    bottom: 0;
    left: 0;
    z-index: 900;
    width: var(--qs-profile-sidebar-width);
    overflow-y: auto;
    border-right: 1px solid var(--qs-border);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 10px 0 30px rgba(14, 45, 57, 0.06);
  }
}

.qs-sidebar-inner {
  padding: 1.25rem 1.35rem 1.6rem;
}

.qs-sidebar-home {
  display: block;
  padding: 0 0 0.9rem;
  border-bottom: 1px solid var(--qs-border);
  color: var(--qs-ocean-deep);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.qs-sidebar-home:hover {
  color: var(--qs-ocean-mid);
}

.qs-sidebar-portrait {
  width: 132px;
  height: 132px;
  margin: 1.35rem auto 0.95rem;
  padding: 5px;
  overflow: hidden;
  border: 1px solid var(--qs-border);
  border-radius: 50%;
  background: #eef3f5;
  box-shadow: 0 10px 28px rgba(14, 45, 57, 0.08);
}

.qs-sidebar-portrait img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
}

.qs-sidebar-name {
  margin: 0;
  color: var(--qs-ocean-deep);
  font-size: 1.12rem;
  font-weight: 800;
  text-align: center;
}

.qs-sidebar-role {
  margin: 0.28rem 0 0;
  color: var(--qs-ocean-mid);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
}

.qs-sidebar-bio {
  margin: 1rem 0 1.05rem;
  color: var(--qs-ink-soft);
  font-size: 0.82rem;
  line-height: 1.55;
}

.qs-sidebar-context,
.qs-sidebar-links a {
  display: flex;
  gap: 0.58rem;
  align-items: center;
  min-height: 32px;
  color: var(--qs-ink-soft);
  font-size: 0.8rem;
}

.qs-sidebar-context i,
.qs-sidebar-links i {
  width: 1rem;
  color: var(--qs-ocean-mid);
  text-align: center;
}

.qs-sidebar-links {
  display: grid;
  gap: 0.08rem;
  margin: 0.6rem 0 0;
}

.qs-sidebar-links a {
  border-radius: 0.35rem;
  text-decoration: none;
}

.qs-sidebar-links a:hover {
  color: var(--qs-ocean-deep);
  text-decoration: underline;
}

.qs-sidebar-section-label {
  margin: 1.15rem 0 0.55rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--qs-border);
  color: var(--qs-ocean-mid);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.qs-sidebar-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.42rem;
}

.qs-sidebar-metric {
  min-width: 0;
  padding: 0.58rem 0.48rem;
  border: 1px solid var(--qs-border);
  border-radius: 0.48rem;
  background: var(--qs-panel);
}

.qs-sidebar-metric strong,
.qs-sidebar-metric span {
  display: block;
}

.qs-sidebar-metric strong {
  color: var(--qs-ocean);
  font-size: 1.15rem;
  line-height: 1;
}

.qs-sidebar-metric span {
  margin-top: 0.28rem;
  color: var(--qs-muted);
  font-size: 0.64rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
}

.qs-sidebar-metric:last-child:nth-child(odd) {
  grid-column: 1 / -1;
}

.qs-sidebar-metrics-note {
  margin: 0.48rem 0 0;
  color: var(--qs-muted);
  font-size: 0.64rem;
  line-height: 1.35;
}

/* Home is now framed by the persistent profile rail rather than by the full viewport. */
.qs-hero {
  margin: 0;
  min-height: 610px;
  padding: clamp(3.2rem, 5.2vw, 5.4rem) clamp(2rem, 5vw, 5.2rem);
  border-radius: 0 0 1.1rem 1.1rem;
}

.qs-hero h1 {
  font-size: clamp(2.65rem, 5.3vw, 4.8rem);
}

.qs-brand-disc {
  position: relative;
  z-index: 4;
  display: grid;
  place-content: center;
  width: min(30vw, 390px);
  aspect-ratio: 1;
  padding: 1rem;
  border: 10px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #ffffff 0 35%, #eef6f8 72%, #d8e9ed 100%);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.28);
  color: var(--qs-ocean-deep);
  text-align: center;
}

.qs-brand-monogram,
.qs-brand-caption {
  display: block;
}

.qs-brand-monogram {
  font-size: clamp(3.5rem, 7vw, 6.4rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.qs-brand-caption {
  margin-top: 0.75rem;
  color: var(--qs-ocean-mid);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.qs-ecosystem {
  margin-left: 0;
  margin-right: 0;
  padding-left: clamp(1rem, 4vw, 3.5rem);
  padding-right: clamp(1rem, 4vw, 3.5rem);
}

@media (max-width: 1099px) {
  .qs-profile-sidebar {
    position: relative;
    width: auto;
    max-width: 900px;
    margin: 1rem auto 2rem;
    border: 1px solid var(--qs-border);
    border-radius: 0.8rem;
    background: var(--qs-white);
    box-shadow: 0 12px 30px rgba(14, 45, 57, 0.07);
  }

  .qs-sidebar-inner {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    column-gap: 1.2rem;
    padding: 1rem 1.15rem;
  }

  .qs-sidebar-home,
  .qs-sidebar-section-label,
  .qs-sidebar-metrics-grid,
  .qs-sidebar-metrics-note {
    grid-column: 1 / -1;
  }

  .qs-sidebar-portrait {
    grid-column: 1;
    grid-row: 2 / span 4;
    width: 92px;
    height: 92px;
    margin: 1rem auto 0;
  }

  .qs-sidebar-name,
  .qs-sidebar-role,
  .qs-sidebar-bio,
  .qs-sidebar-context,
  .qs-sidebar-links {
    grid-column: 2;
  }

  .qs-sidebar-name,
  .qs-sidebar-role {
    text-align: left;
  }

  .qs-sidebar-name {
    margin-top: 0.9rem;
  }

  .qs-sidebar-bio {
    margin: 0.65rem 0;
  }

  .qs-sidebar-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.15rem 0.75rem;
  }

  .qs-sidebar-section-label {
    margin-top: 0.9rem;
  }

  .qs-sidebar-metrics-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .qs-sidebar-metric:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .qs-brand-disc {
    width: 280px;
  }
}

@media (max-width: 760px) {
  .qs-profile-sidebar {
    margin: 0.75rem 0.25rem 1.4rem;
  }

  .qs-sidebar-inner {
    display: block;
    padding: 0.9rem;
  }

  .qs-sidebar-home {
    padding-bottom: 0.65rem;
  }

  .qs-sidebar-portrait {
    width: 92px;
    height: 92px;
    margin: 0.9rem auto 0.65rem;
  }

  .qs-sidebar-name,
  .qs-sidebar-role {
    text-align: center;
  }

  .qs-sidebar-bio {
    font-size: 0.8rem;
  }

  .qs-sidebar-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .qs-sidebar-metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .qs-sidebar-metric:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  .qs-hero {
    margin: 0;
    border-radius: 0;
  }

  .qs-brand-disc {
    width: min(72vw, 290px);
  }
}