/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease),
              box-shadow var(--t-base) var(--ease);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(8, 17, 37, 0.92);
  border-bottom-color: var(--clr-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.navbar__inner {
  display: flex;
  align-items: center;
  height: var(--nav-h);
  gap: var(--sp-8);
}

/* ── Logo ──────────────────────── */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--clr-text);
  flex-shrink: 0;
}

.navbar__logo svg {
  flex-shrink: 0;
}

.navbar__logo span {
  color: var(--clr-text);
}

/* ── Nav Links ─────────────────── */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex: 1;
  justify-content: center;
}

.navbar__links li a {
  display: block;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--clr-text-secondary);
  transition: color var(--t-fast), background var(--t-fast);
}

.navbar__links li a:hover,
.navbar__links li a.nav-active {
  color: var(--clr-text);
  background: rgba(255,255,255,0.05);
}

/* ── CTA ───────────────────────── */
.navbar__cta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

/* ── Hamburger ─────────────────── */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-1);
  margin-left: auto;
}

.navbar__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--t-base) var(--ease);
}

.navbar__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.navbar__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Menu ───────────────── */
.navbar__mobile {
  display: none;
  flex-direction: column;
  gap: var(--sp-4);
  padding: var(--sp-6);
  background: rgba(8, 17, 37, 0.98);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--clr-border);
}

.navbar__mobile.open {
  display: flex;
}

.navbar__mobile ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.navbar__mobile ul li a {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-lg);
  font-size: var(--text-base);
  color: var(--clr-text-secondary);
  transition: color var(--t-fast), background var(--t-fast);
}

.navbar__mobile ul li a:hover {
  color: var(--clr-text);
  background: rgba(255,255,255,0.05);
}

/* ── Responsive ────────────────── */
@media (max-width: 768px) {
  .navbar__links,
  .navbar__cta {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }
}