/* IVC LAB / Lingfeng. Brand artwork keeps its full flourishes at every size. */
:root {
  --ivc-navy: #142b49;
  --ivc-gold: #aa834a;
  --ivc-paper: #fbfaf6;
}
.ivc-brand-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: contain;
}
/* One silhouette in both themes: no replacement-image flash or shape drift. */
html[data-theme="dark"] .ivc-brand-image {
  filter: brightness(0) invert(1);
}
.navbar .ivc-navbar-brand {
  display: block;
  flex: 0 0 auto;
  width: 180px;
  padding: 0;
  margin: 0 1.25rem 0 0;
  line-height: 1;
}
.navbar > .container {
  padding-top: 0.45rem !important;
  padding-bottom: 0.45rem !important;
}
.ivc-navbar-brand:focus-visible {
  outline: 2px solid var(--ivc-gold);
  outline-offset: 4px;
  border-radius: 2px;
}
.post-header .ivc-home-brand {
  width: min(100%, 400px);
  margin: 0 0 0.4rem;
  line-height: 1;
}
@media (min-width: 576px) and (max-width: 991px) {
  .navbar .ivc-navbar-brand {
    width: 132px;
    margin-right: 0.5rem;
  }
  .navbar .nav-link {
    padding-left: 0.55rem !important;
    padding-right: 0.55rem !important;
  }
  .navbar #search-toggle,
  .navbar #light-toggle,
  .navbar #al-lang-toggle {
    padding-left: 0.4rem !important;
    padding-right: 0.4rem !important;
  }
}
@media (max-width: 575px) {
  .navbar .ivc-navbar-brand {
    width: 156px;
    margin-right: auto;
  }
  .post-header .ivc-home-brand {
    width: min(100%, 360px);
    margin-bottom: 0.5rem;
  }
}

/* Collapse before the English navigation would wrap beneath the brand. */
@media (min-width: 576px) and (max-width: 767px) {
  .navbar.navbar-expand-sm .navbar-toggler {
    display: block;
  }
  .navbar.navbar-expand-sm .navbar-collapse {
    flex-basis: 100%;
    width: 100%;
    display: none !important;
  }
  .navbar.navbar-expand-sm .navbar-collapse.show {
    display: flex !important;
  }
  .navbar.navbar-expand-sm .navbar-nav {
    flex-direction: column;
    width: 100%;
  }
}

/* Homepage composition inspired by AdvML: wordmark above, introduction + symbol below. */
.ivc-brand-image--wordmark {
  aspect-ratio: 1390 / 435;
}
.ivc-brand-image--symbol {
  aspect-ratio: 1;
}
.post-header .ivc-home-subtitle {
  margin: 0 0 1rem;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 1.5;
  font-weight: 400;
  color: var(--ivc-navy);
}
html[data-theme="dark"] .ivc-home-subtitle {
  color: #e8e8e8;
}
.ivc-home-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 248px;
  gap: 2rem;
  align-items: start;
  margin-bottom: 1.5rem;
}
.ivc-home-copy {
  min-width: 0;
}
.ivc-home-symbol {
  width: 100%;
  margin: 0;
}
@media (max-width: 767px) {
  .ivc-home-intro {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }
  .ivc-home-symbol {
    grid-row: 1;
    width: 148px;
    justify-self: center;
  }
}

/* Do not reserve the longer hidden biography on a narrow screen. */
@media (max-width: 767px) {
  html[data-lang="en"] .ivc-home-copy .bio-i18n > [data-lang="zh"],
  html[data-lang="zh"] .ivc-home-copy .bio-i18n > [data-lang="en"] {
    display: none !important;
  }
}