html:has(.course-black) { background: #090909; }
.black-bio, .course-black {
  color-scheme: dark;
  --ink: #f6f2ea;
  --muted: #c5bfba;
  --rule: #d2d0ca67;
  --wine: var(--ink);
  --panel: radial-gradient(ellipse at 8% 0%, #ffffff29, transparent 48%),
    linear-gradient(126deg, #4a4948e8, #222222ed 62%, #383737e8);
  --panel-shadow: inset 0 1px 1px #d8d7d484, inset 0 0 10px #f8f6f019, 0 14px 32px #0008;
  background: #090909;
}
.course-black :focus-visible { outline: 2px solid #fff3d9; outline-offset: 4px; }

.black-bio .frost, .black-bio .bio-stories details,
.course-black .instructor-hero, .course-black .instructor-panel,
.course-black [aria-labelledby="payment"], .course-black .course-portfolio {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: clamp(1rem, 3vw, 1.65rem);
  box-shadow: var(--panel-shadow);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.bio-main { width: min(100% - 2rem, 47rem); }
.black-bio .bio-intro {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: .25rem 0 clamp(1.8rem, 5vw, 3.2rem);
  text-align: center;
}
.bio-hero-photo {
  width: 100%;
  overflow: hidden;
  margin: 0;
  padding: .28rem;
}
.bio-hero-photo img {
  width: 100%;
  height: clamp(20rem, 105vw, 37rem);
  display: block;
  object-fit: cover;
  object-position: 50% 53%;
  border-radius: calc(clamp(1rem, 3vw, 1.65rem) - .25rem);
}
.bio-highlight {
  position: relative;
  width: min(86%, 24rem);
  margin-top: -2.35rem;
  padding: .8rem .65rem;
}
.bio-highlight p { margin: 0 0 .5rem; color: var(--muted); }
.bio-highlight strong {
  display: block;
  color: var(--ink);
  font: 500 clamp(1.65rem, 5vw, 2.2rem)/1.15 var(--serif);
}
.black-bio .black-button {
  min-height: 44px;
  font: 700 .76rem/1.3 var(--sans);
  padding: .52rem .8rem;
}
.bio-heading { margin-top: 1.7rem; }
.bio-heading h1 { font-size: clamp(2.75rem, 12vw, 5.2rem); line-height: 1; }
.bio-heading h1 em { font: 400 1.23em/.82 var(--script); }
.bio-heading > p { margin-top: .65rem; font-size: .9rem; }
.bio-links { display: grid; gap: .75rem; }
.bio-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 39%);
  align-items: center;
  gap: clamp(.65rem, 3vw, 1.5rem);
  padding: .35rem;
}
.bio-link-school { grid-template-columns: minmax(0, 39%) minmax(0, 1fr); }
.bio-link > div { padding: .68rem clamp(.25rem, 3vw, 1rem); }
.bio-link h2 { font-size: clamp(1.2rem, 4.8vw, 2.2rem); }
.bio-link p { margin: .45rem 0 .75rem; font-size: clamp(.8rem, 2.8vw, .94rem); }
.bio-link img {
  width: 100%;
  height: 100%;
  min-height: 10.5rem;
  max-height: 16rem;
  display: block;
  object-fit: cover;
  border-radius: .75rem;
}
.bio-main .bio-belief {
  margin-block: clamp(1.8rem, 6vw, 3.5rem);
  padding: clamp(1.25rem, 5vw, 3rem);
}
.bio-belief p:last-child { margin-bottom: 0; color: var(--muted); }
.bio-main .bio-alumni { margin-block: clamp(1.8rem, 6vw, 3.5rem); }
.bio-alumni > h2, .bio-alumni > p { text-align: center; }
.bio-stories { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bio-stories small { font-size: .72rem; }
.bio-stories summary { padding: .75rem; align-items: start; }
.bio-stories strong { font-size: .9rem; }
.bio-main .bio-close { margin-block: 2rem 3.5rem; padding: .28rem; }
.bio-close > img {
  display: block;
  width: 100%;
  height: clamp(16rem, 70vw, 27rem);
  object-fit: cover;
  object-position: 50% 49%;
  border-radius: .8rem;
}
.bio-close-copy {
  position: relative;
  width: min(90%, 27rem);
  margin: -2rem auto .7rem;
  padding: 1rem .7rem;
}
.bio-close-copy h2 { font-size: clamp(1.4rem, 5vw, 2rem); }
.bio-close .black-button { margin-top: .75rem; }

.course-black .instructor-page { width: min(100% - 2rem, 56rem); }
.course-black .instructor-hero {
  overflow: hidden;
  gap: clamp(.75rem, 3vw, 1.55rem);
  padding: clamp(.4rem, 2vw, 1rem);
}
.course-black .instructor-hero .instructor-photo {
  border: 1px solid var(--rule);
  border-radius: clamp(.7rem, 2.5vw, 1.2rem);
  box-shadow: none;
  transform: none;
}
.course-black .instructor-intro { padding: clamp(.55rem, 2vw, 1rem); }
.course-black .instructor-intro h1 em { font-family: var(--script); }
.course-black .instructor-panel, .course-black .course-portfolio {
  margin-block: clamp(.85rem, 3vw, 1.35rem);
  padding: clamp(.95rem, 4vw, 2rem);
}
.course-black .instructor-panel h2 .line-icon {
  background: #ffffff15;
  border: 1px solid #ffffff38;
}
.course-black .instructor-topics li::before { background: var(--ink); }
.course-black .included-icon, .course-black .included-check { color: var(--ink); }
.course-black .instructor-intro .instructor-button, .course-black .instructor-contact,
.course-black .instructor-footer .glass, .course-black .payment-method {
  color: var(--ink);
  border: 1px solid var(--rule);
  background: linear-gradient(130deg, #ffffff20, #ffffff08);
  box-shadow: inset 0 1px #ffffff26;
  border-radius: .8rem;
}
.course-black .instructor-button:hover { background: #ffffff29; }
.course-black .course-portfolio h2 {
  font: 400 clamp(1.45rem, 6vw, 2.1rem)/1.16 var(--serif);
  margin-bottom: 1rem;
}
.course-black .dual-gallery { gap: .55rem; }
.course-black .dual-gallery figure { border-radius: .65rem; }
.course-black .dual-gallery figure:last-child:nth-child(3n + 1) { grid-column: 2; }
.course-black .course-editorial { margin-inline: 0; }
.course-black .educator-kit-art { filter: drop-shadow(0 .75rem .65rem #0008); }
.course-black .instructor-inclusions .trophy { border: 1px solid var(--rule); border-radius: .75rem; transform: none; box-shadow: none; }
.course-black .instructor-footer { border-top-color: var(--rule); }
@media (max-width: 620px) {
  .course-black .instructor-intro { display: contents; }
  .course-black .instructor-hero .instructor-photo { width: 100%; }
  .course-black .instructor-inclusions .trophy { margin-inline: auto; }
}
@media (min-width: 680px) {
  .bio-hero-photo { width: min(100%, 37rem); }
  .bio-hero-photo img { height: clamp(30rem, 64vh, 37rem); }
}
@media (max-width: 355px) {
  .bio-stories { grid-template-columns: 1fr; }
}

.bio-highlight p { margin-bottom: 0; }
.bio-belief h2 em {
  color: var(--ink);
  font: 400 1.28em/.95 var(--script);
}
.bio-belief strong { color: var(--ink); font-weight: 700; }
.bio-belief .bio-teaching {
  margin-top: 1.2rem;
  padding-top: 1.05rem;
  border-top: 1px solid var(--rule);
  font: 400 clamp(1.08rem, 4vw, 1.4rem)/1.5 var(--serif);
}