/* =============================================
   NEXUS WAVE — navbar.css
   Fixed navigation bar
   ============================================= */

#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 56px;
  background: rgba(5, 5, 5, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s var(--ease);
}

#navbar.scrolled {
  padding-top: 14px;
  padding-bottom: 14px;
}

/* ─── Logo ─── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-mark {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-logo-mark svg {
  width: 100%;
  height: 100%;
}

.nav-wordmark {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: var(--text);
  line-height: 1;
}

.nav-wordmark span {
  display: block;
  font-family: var(--sans);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--g5);
  font-style: normal;
  margin-top: 2px;
}

/* ─── Nav links ─── */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  font-size: 13px;
  font-weight: 400;
  color: var(--g5);
  padding: 6px 14px;
  border-radius: 4px;
  letter-spacing: 0.2px;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}

/* ─── CTA ─── */
.nav-cta {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 9px 20px;
}

/* ─── Hamburger ─── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--g5);
  transition: all 0.25s var(--ease);
  transform-origin: left;
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translateY(-1px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translateY(1px); }

/* ─── Mobile Menu ─── */
.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 67px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 24px 28px 32px;
  z-index: 99;
  gap: 4px;
  transform: translateY(-20px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-size: 15px;
  color: var(--g5);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  color: var(--text);
}

.mobile-menu .mob-cta {
  display: inline-flex;
  margin-top: 16px;
  width: fit-content;
}