/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: var(--space-md) 0;
  transition:
    background-color var(--duration-base) var(--ease-out),
    backdrop-filter var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    padding var(--duration-base) var(--ease-out);
}

.navbar.is-scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--space-sm) 0;
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  letter-spacing: -0.02em;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

.navbar__logo:hover {
  color: var(--color-accent);
}

.navbar__logo-dot {
  color: var(--color-accent);
}

/* Navbar avatar */
.navbar__avatar {
  position: relative;
  flex-shrink: 0;
}

.navbar__avatar-img {
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--color-border-hover);
  display: block;
}

.navbar__avatar-online {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: #22c55e;
  border-radius: 50%;
  border: 2px solid var(--color-bg);
  transition: border-color var(--duration-slow) var(--ease-out);
}

.navbar.is-scrolled .navbar__avatar-online {
  border-color: var(--glass-bg);
}

/* Nav links */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.navbar__link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1.5px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration-base) var(--ease-out);
}

.navbar__link:hover {
  color: var(--color-text);
}

.navbar__link:hover::after {
  transform: scaleX(1);
}

/* Right side actions */
.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Mobile menu */
.navbar__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-xs);
  cursor: pointer;
  background: none;
  border: none;
}

.navbar__mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition:
    transform var(--duration-base) var(--ease-out),
    opacity var(--duration-fast) var(--ease-out);
}

/* Hamburger → X animation */
.navbar__mobile-toggle.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__mobile-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.navbar__mobile-toggle.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu panel */
.navbar__mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--container-padding);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-top: 1px solid var(--glass-border);
}

.navbar__mobile-menu.is-open {
  display: flex;
}

.navbar__mobile-link {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-sm) 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.navbar__mobile-link:hover {
  color: var(--color-accent);
}

.navbar__mobile-cta {
  margin-top: var(--space-sm);
  text-align: center;
}

@media (min-width: 769px) {
  .navbar__mobile-menu {
    display: none !important;
  }
}

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

  .navbar__cta-desktop {
    display: none;
  }

  .navbar__mobile-toggle {
    display: flex;
  }
}