/* ══════════════════════════════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════════════════════════════ */
/* Default navbar (on hero - light theme) */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar:not(.scrolled) .nav-logo,
.navbar:not(.scrolled) .nav-links a {
  color: var(--white);
}

.navbar:not(.scrolled) .hamburger span {
  background: var(--white);
}

.navbar:not(.scrolled) .nav-links a:hover,
.navbar:not(.scrolled) .nav-links a.active {
  background: rgba(255,255,255,0.15);
  color: var(--white);
}

/* Scrolled navbar (darker background, dark text) */
.navbar.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--light-border), 0 4px 20px rgba(14,165,233,0.08);
}

.navbar.scrolled .nav-logo,
.navbar.scrolled .nav-links a {
  color: var(--dark);
}

.navbar.scrolled .hamburger span {
  background: var(--dark);
}

.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active {
  background: var(--cyan-soft);
  color: var(--primary-dark);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--dark);
}
.nav-logo img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark);
  padding: 7px 14px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  background: var(--cyan-soft);
  color: var(--primary-dark);
}
.nav-cta { margin-left: 10px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--light-border);
  padding: 20px 24px 28px;
  flex-direction: column;
  gap: 6px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
}

/* Mobile nav links always dark (since it has white background) */
.nav-mobile a {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.nav-mobile a:hover {
  background: var(--cyan-soft);
  color: var(--primary-dark);
}

.nav-mobile .btn {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

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

/* ─── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
}