/* ── ClawBank shared nav component ───────────────────────────── */
/* Included by index.html, blog.html, post.html                   */

/* Opacity-only entrance — transform on .nav breaks position:fixed
   for drawer/backdrop (creates a new containing block)           */
@keyframes nav-fadeDown {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(8, 8, 8, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 200;
  animation: nav-fadeDown 0.6s ease both;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  height: 22px;
}
.nav-logo img { height: 34px; width: auto; }

.nav-links-desktop {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links-desktop .nav-link {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-links-desktop .nav-link:hover { color: var(--text); }
.nav-links-desktop .nav-link--active { color: var(--accent); }

.nav-app-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #000;
  background: #f27a21;
  border: none;
  padding: 10px 24px;
  border-radius: 5px;
  text-decoration: none;
  white-space: nowrap;
  transition: filter 0.2s ease, transform 0.15s ease;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}
.nav-app-btn:hover {
  color: #000;
  filter: brightness(1.07);
}
.nav-app-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.nav-app-btn--hero {
  font-size: 12px;
  padding: 14px 32px;
  min-height: 44px;
  box-sizing: border-box;
}

/* Hamburger button (hidden on desktop, shown on mobile) */
.nav-hamburger {
  appearance: none;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  margin: 0 -6px 0 0;
  padding: 0;
  background: #141414;
  border: 1px solid rgba(240, 237, 230, 0.22);
  border-radius: 2px;
  cursor: pointer;
  color: var(--text);
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  z-index: 203;
  position: relative;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.4);
}
.nav-hamburger:hover {
  background: #1a1a1a;
  border-color: rgba(240, 237, 230, 0.35);
}
.nav-hamburger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-hamburger-bar {
  display: block;
  width: 18px;
  height: 2.5px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}
.nav-shell--open .nav-hamburger-bar:nth-child(1) { transform: translateY(7px)  rotate(45deg); }
.nav-shell--open .nav-hamburger-bar:nth-child(2) { opacity: 0; }
.nav-shell--open .nav-hamburger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Backdrop — placed OUTSIDE .nav to avoid fixed containing-block trap */
.nav-backdrop {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.78);
  z-index: 180;
}
.nav-shell--open .nav-backdrop { display: block; }

/* Drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-h);
  right: 0; bottom: 0;
  width: min(320px, calc(100vw - 40px));
  max-width: 100%;
  background-color: #0d0d0d;
  background-image: linear-gradient(180deg, #121212 0%, #0a0a0a 100%);
  border-left: 1px solid rgba(240, 237, 230, 0.12);
  z-index: 190;
  padding: 20px 28px 32px;
  flex-direction: column;
  gap: 0;
  transform: translateX(100%);
  transition: transform 0.28s ease;
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.75);
  pointer-events: none;
  isolation: isolate;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.nav-shell--open .nav-drawer {
  transform: translateX(0);
  pointer-events: auto;
}

.nav-drawer .nav-link {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  transition: color 0.2s;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.nav-drawer .nav-link:last-of-type { border-bottom: none; }
.nav-drawer .nav-link:hover { color: var(--text); }
.nav-drawer .nav-link--active { color: var(--accent); }
.nav-drawer .nav-app-btn {
  align-self: flex-start;
  margin-top: 8px;
  padding: 12px 26px;
}

/* Mobile breakpoint */
@media (max-width: 768px) {
  .nav-links-desktop { display: none; }
  .nav-hamburger     { display: flex; }
  .nav-drawer        { display: flex; }
}