/* ═══ CHROME — boot, cursor, nav, background, footer ═════════════════════ */

/* ── Background field canvas ───────────────────────────── */
#bg-field {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  opacity: .85;
}

/* ═══ BOOT SEQUENCE ═════════════════════════════════════ */
#boot {
  position: fixed;
  inset: 0;
  z-index: var(--z-boot);
  background: var(--void);
  display: grid;
  place-items: center;
  transition: opacity 520ms var(--e-out), visibility 520ms;
}
#boot.is-done { opacity: 0; visibility: hidden; pointer-events: none; }

.boot-inner {
  width: min(520px, 84vw);
  font-family: var(--ff-mono);
  font-size: var(--fs-mono);
  letter-spacing: .06em;
  text-transform: none;
}

.boot-mark {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.6rem;
  color: var(--bone);
  font-weight: 700;
  letter-spacing: .3em;
  text-transform: uppercase;
  font-size: .8rem;
}
.boot-mark i {
  width: 9px; height: 9px;
  background: var(--signal);
  border-radius: 2px;
  animation: bootBlink .78s steps(2) infinite;
}
@keyframes bootBlink { 50% { opacity: .15; } }

#boot-log {
  min-height: 148px;
  display: flex;
  flex-direction: column;
  gap: .38rem;
  margin-bottom: 1.5rem;
}
.boot-line {
  display: flex;
  gap: .7rem;
  color: var(--bone-faint);
  opacity: 0;
  transform: translateX(-8px);
  animation: bootIn 260ms var(--e-out) forwards;
}
@keyframes bootIn { to { opacity: 1; transform: none; } }
.boot-line b { color: var(--signal); font-weight: 600; flex: none; }
.boot-line em { color: var(--bone-dim); font-style: normal; }
.boot-line s { color: var(--wire); text-decoration: none; margin-left: auto; }

.boot-bar {
  height: 2px;
  background: var(--ink-600);
  border-radius: 2px;
  overflow: hidden;
}
.boot-bar i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--signal);
  box-shadow: 0 0 14px var(--signal);
  transition: width 180ms linear;
}
.boot-skip {
  margin-top: 1.1rem;
  color: var(--bone-ghost);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: color var(--t-fast);
}
.boot-skip:hover { color: var(--bone-dim); }

/* ═══ CUSTOM CURSOR ═════════════════════════════════════ */
#cursor, #cursor-dot {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: var(--z-cursor);
  will-change: transform;
  opacity: 0;
  transition: opacity var(--t-base);
}
body.has-cursor #cursor,
body.has-cursor #cursor-dot { opacity: 1; }

#cursor {
  width: 30px; height: 30px;
  margin: -15px 0 0 -15px;
  border: 1.5px solid var(--bone-ghost);
  border-radius: 50%;
  transition: width 260ms var(--e-spring), height 260ms var(--e-spring),
              margin 260ms var(--e-spring), border-color var(--t-base),
              background var(--t-base), opacity var(--t-base);
}
#cursor-dot {
  width: 4px; height: 4px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: var(--signal);
}
body.cursor-hot #cursor {
  width: 54px; height: 54px;
  margin: -27px 0 0 -27px;
  border-color: var(--signal);
  background: var(--signal-glow);
}
body.cursor-press #cursor { transform: scale(.82); }

@media (hover: none), (pointer: coarse) {
  #cursor, #cursor-dot { display: none; }
}

/* ═══ NAV ═══════════════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  transition: background var(--t-base) var(--e-out),
              border-color var(--t-base), backdrop-filter var(--t-base);
  border-bottom: 1px solid transparent;
}
#nav.is-stuck {
  background: color-mix(in srgb, var(--void) 82%, transparent);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom-color: var(--hairline);
}

.nav-inner {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-mark {
  display: flex;
  align-items: center;
  gap: .58rem;
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: .82rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--bone);
  margin-right: auto;
}
.nav-mark .glyph {
  width: 22px; height: 22px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: var(--signal);
  color: var(--void);
  font-size: .72rem;
  font-weight: 900;
  flex: none;
  transition: transform var(--t-base) var(--e-spring);
}
.nav-mark:hover .glyph { transform: rotate(-90deg) scale(1.12); }
.nav-mark small {
  color: var(--bone-ghost);
  font-family: var(--ff-mono);
  font-weight: 500;
  letter-spacing: .1em;
}

.nav-links { display: flex; gap: .25rem; }
.nav-links a {
  position: relative;
  padding: .5rem .82rem;
  border-radius: var(--r-sm);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bone-faint);
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: .82rem; right: .82rem; bottom: .28rem;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-base) var(--e-out);
}
.nav-links a:hover { color: var(--bone); background: var(--surface-2); }
.nav-links a.is-active { color: var(--signal); }
.nav-links a.is-active::after { transform: scaleX(1); }

.nav-tools { display: flex; align-items: center; gap: .5rem; }

.icon-btn {
  width: 34px; height: 34px;
  display: grid;
  place-items: center;
  border-radius: var(--r-sm);
  border: 1px solid var(--hairline);
  background: var(--surface);
  color: var(--bone-faint);
  transition: color var(--t-fast), border-color var(--t-fast),
              background var(--t-fast), transform var(--t-fast) var(--e-snap);
}
.icon-btn:hover { color: var(--signal); border-color: color-mix(in srgb, var(--signal) 45%, transparent); }
.icon-btn:active { transform: scale(.9); }
.icon-btn.is-off { color: var(--bone-ghost); }
.icon-btn svg { width: 15px; height: 15px; }

/* Scroll progress rail */
#scroll-rail {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--signal), var(--wire));
  z-index: calc(var(--z-nav) + 1);
  box-shadow: 0 0 12px var(--signal-glow);
}

@media (max-width: 860px) {
  .nav-links { display: none; }
}

/* ═══ FOOTER ════════════════════════════════════════════ */
#footer {
  position: relative;
  z-index: var(--z-content);
  border-top: 1px solid var(--hairline);
  padding-block: clamp(3.5rem, 8vw, 6rem) 2.5rem;
  overflow: hidden;
}

.foot-cta {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3.4rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  margin-bottom: 4rem;
}
@media (min-width: 900px) { .foot-cta { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); } }

.foot-big {
  font-size: clamp(2.1rem, 6.1vw, 5.2rem);
  font-stretch: 118%;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  line-height: .86;
  color: var(--bone);
}
.foot-big span { color: var(--signal); }

.foot-links { display: flex; flex-direction: column; gap: .55rem; }

.foot-link {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .9rem 1.1rem;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--surface);
  transition: border-color var(--t-base), background var(--t-base), transform var(--t-base) var(--e-out);
}
.foot-link:hover {
  border-color: color-mix(in srgb, var(--signal) 50%, transparent);
  background: var(--surface-2);
  transform: translateX(6px);
}
.foot-link svg { width: 17px; height: 17px; color: var(--bone-faint); flex: none; }
.foot-link:hover svg { color: var(--signal); }
.foot-link b { color: var(--bone); font-weight: 600; font-size: var(--fs-sm); }
.foot-link em {
  font-style: normal;
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--bone-ghost);
  margin-left: auto;
}

.foot-base {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.6rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bone-ghost);
}
.foot-base b { color: var(--bone-faint); font-weight: 500; }

/* ── Small screens ─────────────────────────────────────── */
@media (max-width: 620px) {
  .nav-mark {
    font-size: .7rem;
    letter-spacing: .1em;
    white-space: nowrap;
    gap: .45rem;
  }
  .nav-mark small { display: none; }       /* the wordmark alone is the identity */
  .nav-mark .glyph { width: 19px; height: 19px; font-size: .64rem; }
  .nav-tools { gap: .35rem; }
  .nav-tools .icon-btn { width: 30px; height: 30px; }
  .nav-tools .btn--sm { padding: .5rem .85rem; font-size: .66rem; }
}

@media (max-width: 400px) {
  .nav-tools .btn--sm { display: none; }   /* Play lives in the hero anyway */
}