/* ============================================
   PERCEPTA FLOATING NAVBAR
   ============================================ */

.percepta-navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 95%;
  max-width: 1200px;
  transition: all 0.3s ease;
}

.navbar-container {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 1px 8px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
}

.percepta-navbar.scrolled .navbar-container {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 1px 12px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* ============================================
   LOGO SECTION
   ============================================ */

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--percepta-primary);
  font-weight: 700;
  font-size: 1.25rem;
  transition: all 0.3s ease;
}

.navbar-logo:hover {
  color: var(--percepta-teal);
  transform: translateY(-1px);
}

.navbar-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 6px;
  background: rgba(27, 110, 194, 0.1);
  padding: 4px;
}

.navbar-brand-text {
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--percepta-primary),
    var(--percepta-teal)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   NAVIGATION MENU
   ============================================ */

.navbar-menu {
  display: flex;
  align-items: center;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-direction: row;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  color: #4a5568;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  white-space: nowrap;
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

.nav-link:hover {
  background: rgba(27, 110, 194, 0.08);
  color: var(--percepta-primary);
  transform: translateY(-1px);
}

.nav-link.active {
  background: linear-gradient(
    135deg,
    var(--percepta-primary),
    var(--percepta-teal)
  );
  color: white;
  box-shadow: 0 4px 12px rgba(27, 110, 194, 0.3);
}

/* ============================================
   ACTION BUTTONS
   ============================================ */

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-login {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.5rem;
  background: white;
  color: var(--percepta-primary);
  text-decoration: none;
  border-radius: 10px;
  border: 2px solid var(--percepta-primary);
  font-size: 0.9rem;
  font-weight: 700;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(27, 110, 194, 0.2);
}

.btn-login:hover {
  transform: translateY(-2px);
  background: var(--percepta-primary);
  color: white;
  box-shadow: 0 8px 20px rgba(27, 110, 194, 0.4);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .percepta-navbar {
    width: calc(100% - 20px);
  }

  .navbar-container {
    padding: 0.5rem 1rem;
  }

  .navbar-nav {
    gap: 0.5rem;
  }

  .nav-link {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }

  .btn-login {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .navbar-brand-text {
    display: none;
  }

  .navbar-container {
    padding: 0.4rem 0.8rem;
  }

  .navbar-logo-img {
    width: 28px;
    height: 28px;
  }

  .navbar-nav {
    gap: 0.25rem;
  }

  .nav-link {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
  }

  .btn-login {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.percepta-navbar {
    animation: slideDown 0.6s ease-out;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .navbar-container {
    background: rgba(255, 255, 255, 1);
    border: 2px solid var(--percepta-primary);
  }

  .nav-link {
    border: 1px solid transparent;
  }

  .nav-link:hover {
    border-color: var(--percepta-primary);
  }
}