/* ===========================
   NAV
   =========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 15, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--green-dark);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: var(--ls-heading);
  color: var(--green-terminal);
  white-space: nowrap;
}

.nav__logo img {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__link {
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: var(--ls-nav);
  color: var(--green-muted);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--green-terminal);
}

.nav__social {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__social a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
}

.nav__social a:hover {
  color: var(--green-terminal);
}

.nav__social svg {
  width: 20px;
  height: 20px;
}

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--green-terminal);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(10, 15, 10, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--green-dark);
  padding: var(--space-md);
  flex-direction: column;
  gap: var(--space-sm);
  max-height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}

.nav__mobile-menu.open {
  display: flex;
}

.nav__mobile-menu a {
  font-family: var(--font-heading);
  font-size: var(--fs-body);
  text-transform: uppercase;
  letter-spacing: var(--ls-nav);
  color: var(--green-muted);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--green-dark);
}

.nav__mobile-menu a:hover {
  color: var(--green-terminal);
}

@media (max-width: 768px) {
  .nav__links,
  .nav__social {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }
}

/* Spacer for fixed nav */
.nav-spacer {
  height: var(--nav-height);
}