/* ══════════════════════════════════════════
   navbar.css
══════════════════════════════════════════ */

#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  height: 70px;
  background: rgba(10,31,68,0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(59,130,246,0.14);
  transition: height 0.3s, background 0.3s, box-shadow 0.3s;
}
#navbar.scrolled {
  height: 60px;
  background: rgba(10,31,68,0.99);
  box-shadow: 0 4px 28px rgba(30,92,220,0.18);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1rem; color: #fff; letter-spacing: -1px;
  box-shadow: 0 0 18px rgba(59,130,246,0.4);
  flex-shrink: 0;
}
.nav-logo-text {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: #fff;
  line-height: 1;
}
.nav-logo-text span { color: var(--blue-glow); }
.nav-logo-text small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6rem;
  color: rgba(255,255,255,0.45);
  font-weight: 400;
  margin-top: 2px;
  letter-spacing: 0;
}

/* Links */
.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,0.78);
  font-size: 0.87rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--blue-glow); }

/* Actions */
.nav-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}
.btn-login {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(59,130,246,0.45);
  color: var(--blue-glow);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-login:hover {
  background: rgba(59,130,246,0.12);
  border-color: var(--blue-glow);
}
.btn-cta-nav {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-accent));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(30,92,220,0.35);
  transition: var(--transition);
}
.btn-cta-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(30,92,220,0.48);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav-links.mobile-open {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 70px;
  left: 0; right: 0;
  background: rgba(10,31,68,0.98);
  padding: 28px 5%;
  gap: 20px;
  z-index: 999;
  border-bottom: 1px solid rgba(59,130,246,0.15);
  animation: fadeUp 0.25s ease;
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .nav-links:not(.mobile-open) { display: none; }
  .hamburger { display: flex; }
  .nav-actions .btn-login { display: none; }
}
@media (max-width: 480px) {
  .nav-actions { display: none; }
}