.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: var(--header-h);
  height: auto;
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  background: rgba(14, 17, 20, 0.86);
  backdrop-filter: blur(8px);
  transition: border-color var(--ease), background var(--ease);
}

.site-header.is-scrolled,
.site-header.is-identity-docked {
  border-bottom-color: var(--border);
  background: rgba(14, 17, 20, 0.96);
}

.site-header__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
  min-height: var(--header-h);
}

.site-header.is-identity-docked .site-header__inner {
  justify-content: space-between;
}

/* Compact identity — only when hero scrolled away */
.identity-dock {
  display: none;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
  max-width: min(28rem, 58vw);
  text-decoration: none;
  color: inherit;
}

.site-header.is-identity-docked .identity-dock {
  display: flex;
}

/* While scrubbing: dock occupies layout for target measure, but stays invisible */
.site-header.is-measuring-dock .identity-dock {
  display: flex;
  opacity: 0;
  pointer-events: none;
}

.site-header.is-measuring-dock.is-identity-docked .identity-dock.is-morphing {
  opacity: 0;
}

.identity-dock__photo {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 18%;
  border: 1px solid var(--border);
  flex-shrink: 0;
  background: transparent;
  opacity: 1;
}

.identity-dock__text {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  min-width: 0;
  opacity: 1;
}

.identity-dock.is-photo-flying .identity-dock__photo,
.identity-dock.is-text-pending .identity-dock__text {
  opacity: 0;
}

/* Scroll-scrub layers — ALWAYS above sticky header */
.portrait-flight,
.name-flight {
  position: fixed;
  z-index: 80;
  margin: 0;
  padding: 0;
  pointer-events: none;
  will-change: left, top, width, height, font-size;
}

.portrait-flight {
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
  background: transparent;
}

.portrait-flight img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
}

.name-flight {
  display: flex;
  align-items: center;
  overflow: hidden;
  white-space: nowrap;
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.15;
}

@media (prefers-reduced-motion: reduce) {
  .portrait-flight,
  .name-flight {
    display: none !important;
  }
}

.identity-dock__name {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.identity-dock__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem;
  font-size: 0.68rem;
  color: var(--text-muted);
  line-height: 1.25;
}

.identity-dock__meta span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.identity-dock__sep {
  color: var(--text-faint);
}

.brand {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.brand:hover {
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.project {
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

.section {
  scroll-margin-top: calc(var(--header-h) + 0.75rem);
}

/* Paint gate — hide empty shell until JSON lists are filled (kills projects-before-roles flash) */
html[data-content="pending"] .shell {
  visibility: hidden;
  pointer-events: none;
}

html[data-content="ready"] .shell {
  visibility: visible;
  pointer-events: auto;
}

.nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: var(--space-2) 0;
  border-bottom: 2px solid transparent;
}

.nav a:hover,
.nav a.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.35rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-radius: 0;
  margin-left: auto;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--accent);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.4rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.shell {
  width: min(100% - 1.25rem, var(--max));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-5);
  border-top: 1px solid var(--border);
}

.section__head {
  display: grid;
  gap: 0.15rem;
  margin-bottom: var(--space-3);
  padding-left: calc(var(--rail) + var(--space-3));
  border-left: var(--rail) solid var(--accent);
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.section__lede {
  max-width: 42rem;
  margin: 0;
  font-size: 0.88rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--space-4) 0 var(--space-5);
}

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

@media (max-width: 720px) {
  .site-header {
    position: sticky;
  }

  .site-header__inner {
    position: relative;
    flex-wrap: nowrap;
  }

  .site-header.is-identity-docked .identity-dock {
    flex: 1;
    max-width: calc(100% - 5.5rem);
  }

  .identity-dock__meta {
    font-size: 0.62rem;
  }

  .identity-dock__sep,
  #dock-education {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: 0;
  }

  .theme-toggle {
    margin-left: auto;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: var(--space-3) var(--space-4);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border);
  }
}