/* Shared dark shell for the homepage and top-level overview pages. */
.home-landing {
  --home-ink: #f1f0e9;
  --home-secondary: #b9bec4;
  --home-edge: rgba(241, 240, 233, 0.3);
  --home-gutter: clamp(2rem, 4vw, 4.5rem);
  --home-sidebar: 18rem;
  display: grid;
  isolation: isolate;
  grid-template-columns: var(--home-sidebar) minmax(0, 1fr);
  grid-template-rows: 1fr auto;
  min-height: 100svh;
  color: var(--home-ink);
  background: #080c12;
  -webkit-font-smoothing: antialiased;
}

.home-landing a, .home-landing button { -webkit-tap-highlight-color: transparent; }
.home-landing a:focus-visible, .home-landing button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}
.home-skip {
  position: fixed;
  z-index: 10;
  top: 1rem;
  left: 1rem;
  padding: 0.75rem 1rem;
  background: var(--home-ink);
  color: #080c12;
  transform: translateY(-200%);
}
.home-skip:focus { transform: translateY(0); }

.home-background {
  position: fixed;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  background: #080c12 url("assets/video/robotic-halftone-poster.webp") center / cover no-repeat;
}
.home-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.home-background::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(8, 12, 18, 0.97), rgba(8, 12, 18, 0) 65%),
    linear-gradient(180deg, rgba(8, 12, 18, 0.45), transparent 30%),
    linear-gradient(90deg, rgba(8, 12, 18, 0.6), rgba(8, 12, 18, 0.35) 48%, rgba(8, 12, 18, 0.12) 80%);
}

.home-sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  display: flex;
  flex-direction: column;
  width: var(--home-sidebar);
  padding: 2.5rem 2rem 2rem;
  border-right: 2px solid var(--home-edge);
  overflow-y: auto;
}
.home-brand {
  align-self: flex-start;
  flex: 0 0 auto;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -0.09em;
  text-decoration: none;
}
.home-brand > span:first-child { margin-inline: 0.06em; }
.home-brand-dot, .home-title-dot { color: var(--accent); }
.home-nav {
  display: grid;
  gap: 0.6rem;
  margin-top: clamp(3rem, 8vh, 5.5rem);
}
.home-nav a {
  padding: 0.8rem 0;
  color: var(--home-ink);
  font-size: 1.3rem;
  font-weight: 800;
  line-height: 1.15;
  text-decoration: none;
  transition: color 160ms ease, transform 160ms ease;
}
.home-nav a[aria-current="page"], .home-landing a:hover { color: var(--accent); }
.home-nav a:hover { transform: translateX(0.15rem); }
.home-sidebar-meta {
  display: grid;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 3rem;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--home-secondary);
}
.home-sidebar-meta a { justify-self: start; text-decoration: none; }
.home-sidebar-meta p { margin: 0.35rem 0 0; }

.home-main {
  grid-column: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2.5rem;
  min-height: calc(100svh - 5rem);
  margin-inline: var(--home-gutter);
  padding-block: 5rem 3rem;
}
.home-intro { min-width: 0; max-width: 55rem; }
.home-intro h1 {
  margin: 0;
  font-size: clamp(3.75rem, 7.8vw, 8rem);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.95;
}
.home-description {
  max-width: 28rem;
  margin: 1.75rem 0 0;
  color: #d4d6d7;
  font-size: clamp(0.95rem, 1.1vw, 1.075rem);
  line-height: 1.65;
  text-wrap: pretty;
}
.home-feature {
  display: grid;
  gap: 0.65rem;
  width: 15rem;
  padding: 1.25rem 0 0.5rem;
  border-top: 2px solid var(--home-edge);
  text-decoration: none;
}
.home-feature-label {
  color: var(--home-secondary);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.home-feature-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 1.15rem;
}
.home-feature-title > span { color: var(--accent); }
.home-feature-description { color: var(--home-secondary); font-size: 0.8rem; line-height: 1.5; }

.home-footer {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 5rem;
  margin-inline: var(--home-gutter);
  padding-block: 1.25rem;
  border: 0;
  background: transparent;
  pointer-events: none;
  color: var(--home-secondary);
  font-size: 0.7rem;
}
.home-motion {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--home-secondary);
  font: inherit;
  cursor: pointer;
}
.home-motion[hidden] { display: none; }
.home-motion:hover { color: var(--home-ink); }
.home-motion-icon { width: 0.8rem; color: var(--accent); font-size: 0.8rem; }

@media (max-width: 1100px) {
  .home-landing { --home-sidebar: 14rem; }
  .home-main { grid-template-columns: minmax(0, 1fr); align-content: end; gap: 3rem; }
  .home-feature { justify-self: end; }
  .home-intro h1 { font-size: clamp(3.25rem, 9vw, 6.75rem); }
}

@media (max-width: 650px) {
  .home-landing { --home-sidebar: 7.5rem; --home-gutter: 1.25rem; }
  .home-sidebar { padding: 1.5rem 1rem; }
  .home-brand { font-size: 1.35rem; }
  .home-nav { margin-top: 3rem; gap: 0.5rem; }
  .home-nav a { font-size: 0.8rem; padding-block: 0.8rem; }
  .home-sidebar-meta { font-size: 0.65rem; overflow-wrap: anywhere; }
  .home-main { padding-block: 6rem 2.25rem; gap: 2.5rem; }
  .home-intro h1 { font-size: clamp(1.8rem, 7.3vw, 3.1rem); }
  .home-description { margin-top: 1.25rem; font-size: 0.85rem; line-height: 1.65; }
  .home-feature { justify-self: stretch; width: 100%; }
  .home-feature-label { font-size: 0.55rem; }
  .home-feature-title { font-size: 0.95rem; }
  .home-feature-description { font-size: 0.7rem; }
  .home-background { background-position: center; }
  .home-video { object-position: center; }
  .home-background::after {
    background: linear-gradient(0deg, #080c12, rgba(8, 12, 18, 0.35) 65%), linear-gradient(90deg, rgba(8, 12, 18, 0.6), rgba(8, 12, 18, 0.15));
  }
}
@media (prefers-reduced-motion: reduce) {
  .home-landing * { scroll-behavior: auto; transition: none; }
}

/* Shared subpage theme; the homepage retains its robotic background. */
.overview-page {
  --text: var(--home-ink);
  --muted: var(--home-ink);
  --bg: #080c12;
  --line: var(--home-edge);
  --line-strong: var(--home-ink);
}
.overview-page .home-background::after {
  background: linear-gradient(90deg, rgba(8, 12, 18, 0.68), rgba(8, 12, 18, 0.88) 45%);
}
.overview-page .home-background {
  background-image: url("assets/video/calming-wave-poster.webp");
}
.overview-main {
  grid-column: 2;
  min-width: 0;
  min-height: calc(100svh - 5rem);
  margin-inline: var(--home-gutter);
  padding-block: 3rem 8rem;
  overflow-wrap: anywhere;
}
.overview-main > * { max-width: 68rem; }
.overview-page .home-footer {
  position: fixed;
  right: 0;
  bottom: 0;
  left: var(--home-sidebar);
  z-index: 1;
}
.overview-main .hero { padding: 0; background: transparent; }
.content-page .project-gallery-button,
.content-page .project-audio-item,
.content-page .project-audio-button { background: #080c12; }

/* Solid-black content-page preview; overview and homepage backgrounds stay intact. */
.content-page { --bg: #000000; background: #000000; }
.content-page .home-background,
.content-page .home-footer { display: none; }
.content-page .project-gallery-button,
.content-page .project-audio-item,
.content-page .project-audio-button { background: #000000; }
.overview-main .publications-archive .publication-citation-link { color: var(--home-ink); }
.overview-main .publications-archive .publication-citation-link:hover,
.overview-main .publications-archive .publication-citation-link:focus-visible { color: var(--accent); }

@media (max-width: 650px) {
  .overview-main { padding-block: 2rem 8rem; }
  .overview-main .hero h1 { font-size: clamp(1.45rem, 5.5vw, 2.5rem); }
  .content-page .project-header h1 { font-size: clamp(1.65rem, 6vw, 2.6rem); }
  .overview-main .hero-copy,
  .overview-main .project-list-subtitle,
  .overview-main .publication-citation-text,
  .overview-main .vita-entry-copy,
  .overview-main .vita-bullet-list { font-size: 0.9rem; line-height: 1.65; }
  .overview-main .project-list-title,
  .overview-main .publication-group-title,
  .overview-main .vita-entry-title { font-size: 1rem; line-height: 1.4; }
  .overview-main .eyebrow { font-size: 0.65rem; letter-spacing: 0.12em; }
  .overview-main .vita-portrait { max-width: 11rem; }
}