/* UnitCycle — Navigation Styles */

/* ─── Fixed Nav Container ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: box-shadow var(--transition-base);
}

.nav.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ─── Nav Inner Layout ────────────────────────────────────────────── */
.nav-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* ─── Logo ────────────────────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.nav-logo__mark svg {
  display: block;
}

.nav-logo:hover .nav-logo__mark {
  transform: scale(1.05);
}

.nav-logo__name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.125rem;
  color: #fff;
  letter-spacing: -0.01em;
}

/* ─── Nav Links ───────────────────────────────────────────────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9375rem;
  color: #94A3B8;
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-links a.active {
  color: var(--accent);
}

/* ─── Nav CTA ─────────────────────────────────────────────────────── */
.nav-cta {
  flex-shrink: 0;
}

.nav-cta .btn {
  font-size: 0.875rem;
  padding: 9px 20px;
}

/* ─── Hamburger Toggle ────────────────────────────────────────────── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.nav-hamburger:hover {
  background: rgba(255, 255, 255, 0.05);
}

.nav-hamburger span {
  display: block;
  height: 2px;
  background: #94A3B8;
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─── Mobile Menu ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-hamburger {
    display: flex;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: var(--space-4) var(--container-padding) var(--space-6);
    flex-direction: column;
    gap: var(--space-2);
    z-index: 999;
  }

  .nav-mobile-menu.open {
    display: flex;
  }

  .nav-mobile-menu a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 1rem;
    color: #94A3B8;
    text-decoration: none;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
  }

  .nav-mobile-menu a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
  }

  .nav-mobile-menu a.active {
    color: var(--accent);
  }

  .nav-mobile-menu .btn {
    margin-top: var(--space-2);
    text-align: center;
    justify-content: center;
  }
}