/* Navbar "island": a small solid pill at top centre with the avatar and the
   current section. Its colours are the page's, inverted, so it reads over
   anything. Hover-capable screens expand it into the full menu; touch
   screens get a menu button that opens a full-screen menu (.menu). */

.island {
  --pill-bg: var(--ink);
  --pill-fg: var(--bg);
  position: fixed;
  z-index: 50;
  top: 16px;
  left: 50%;
  /* Size to the content: a fixed element at left: 50% would otherwise be
     capped at half the screen, cutting off the expanded menu. */
  width: max-content;
  max-width: calc(100vw - 32px);
  transform: translateX(-50%);
  transition: opacity 0.3s ease;
}

/* Steps aside while the camera is inside the lens (hero → About). */
.is-diving .island {
  opacity: 0;
  pointer-events: none;
}

.island__bar {
  display: flex;
  align-items: center;
  padding: 5px;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--pill-fg);
  box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.45);
  white-space: nowrap;
}

.island__face {
  flex: none;
  display: block;
  width: 36px;
  height: 36px;
  overflow: hidden;
  border-radius: 50%;
  background: color-mix(in srgb, var(--pill-fg) 92%, var(--accent));
}

.island__face img {
  display: block;
  width: 100%;
  height: 100%;
}

/* Where you are: collapses away when the menu expands. */
.island__where {
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: 260px;
  padding: 0 14px 0 11px;
  overflow: hidden;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: max-width 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.25s ease, padding 0.45s ease;
}

.island__where [data-where] {
  display: inline-block;
}

.island__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 30%, transparent);
}

/* The full menu: hidden at 0 width, grows to its natural width on hover. */
.island__links {
  display: grid;
  grid-template-columns: 0fr;
  transition: grid-template-columns 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.island__links-inner {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.island__logo {
  margin: 0 10px 0 8px;
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: 0.02em;
}

.island__link {
  padding: 0.7em 1.1em;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background-color 0.2s, color 0.2s;
}

.island__link:hover {
  background: color-mix(in srgb, var(--pill-fg) 14%, transparent);
}

.island__link.is-current {
  background: var(--accent);
  color: var(--on-accent);
}

.island__sep {
  width: 1px;
  height: 22px;
  margin: 0 6px;
  background: color-mix(in srgb, var(--pill-fg) 25%, transparent);
}

.island .theme-toggle {
  width: 36px;
  height: 36px;
  border-color: color-mix(in srgb, var(--pill-fg) 35%, transparent);
  color: var(--pill-fg);
}

.island .theme-toggle:hover {
  background: var(--pill-fg);
  color: var(--pill-bg);
}

.island__resume {
  margin-left: 6px;
  padding: 0.7em 1.15em;
  border-radius: 999px;
  background: var(--pill-fg);
  color: var(--pill-bg);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.island__resume:hover {
  background: var(--accent);
  color: var(--on-accent);
}

.island__menu-btn {
  display: none;
}

.island a:focus-visible,
.island button:focus-visible,
.menu a:focus-visible,
.menu button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Hover or keyboard focus expands the island into the menu. */
@media (hover: hover) and (min-width: 760px) {
  .island:hover .island__where,
  .island:focus-within .island__where {
    max-width: 0;
    padding: 0;
    opacity: 0;
  }

  .island:hover .island__links,
  .island:focus-within .island__links {
    grid-template-columns: 1fr;
  }

  .island:hover .island__links-inner,
  .island:focus-within .island__links-inner {
    opacity: 1;
    transition-delay: 0.12s;
  }
}

/* Touch or narrow screens: no hover menu, a menu button instead. */
@media (hover: none), (max-width: 759px) {
  .island__links {
    display: none;
  }

  .island__menu-btn {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: color-mix(in srgb, var(--pill-fg) 14%, transparent);
    color: var(--pill-fg);
    cursor: pointer;
  }

  .island__menu-btn svg {
    width: 18px;
    height: 18px;
  }
}

/* ---------- Full-screen menu (touch screens) ---------- */

.menu {
  position: fixed;
  z-index: 80;
  inset: 0;
  display: flex;
  flex-direction: column;
  padding: 104px 24px 28px;
  overflow: hidden;
  background: var(--ink);
  color: var(--bg);
}

.menu[hidden] {
  display: none;
}

/* The island becomes a "Close" pill in the same spot. */
.menu__close {
  position: absolute;
  top: 16px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 16px 5px 5px;
  border: 0;
  border-radius: 999px;
  background: var(--bg);
  color: var(--ink);
  font: 700 0.8125rem/1 var(--body);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transform: translateX(-50%);
  cursor: pointer;
}

.menu__close img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ink) 92%, var(--accent));
}

.menu__links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.menu__links a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--bg) 14%, transparent);
}

.menu__links small {
  width: 22px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
}

.menu__links span {
  font-family: var(--display);
  font-size: clamp(3rem, 15vw, 4.5rem);
  line-height: 0.95;
  text-transform: uppercase;
}

.menu__links a.is-current span {
  color: var(--accent);
}

.menu__foot {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
}

.menu .theme-toggle {
  width: 48px;
  height: 48px;
  border-color: color-mix(in srgb, var(--bg) 35%, transparent);
  color: var(--bg);
}

.menu__resume {
  padding: 15px 24px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Waving avatar peeking in from the corner. */
.menu__wave {
  position: absolute;
  right: -44px;
  bottom: -34px;
  width: auto;
  height: min(40svh, 340px);
  transform: rotate(-6deg);
  pointer-events: none;
}